[Amel] Isolated or non Isolated DC to DC Convertor
Regards
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.I am pretty sure that our vessel (SM#196) does not have a positive ground system.Did Amel built their boats with a floating ground?What does this mean with respect to installing a DC to DC convertor?What are the ramifications for using a non isolated DC to DC convertor?Any help understanding this is much appreciated.Terry&DenaSV Libby SM#196San Diego
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard PillerCell 603 767 5330Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.I am pretty sure that our vessel (SM#196) does not have a positive ground system.Did Amel built their boats with a floating ground?What does this mean with respect to installing a DC to DC convertor?What are the ramifications for using a non isolated DC to DC convertor?Any help understanding this is much appreciated.Terry&DenaSV Libby SM#196San Diego
Lior,
My understanding on this (and I am not an electrician – someone with better knowledge please chime in). Since this is not isolated, any equipment connected to this that is then grounded to your Amel grounding system would then cause a common ground amongst all of your neg circuits since at some point the connection is made between the isolated ground and the common ground.
Like Dennis Miller says “I could be wrong”
Best regards,
Mark
SM2K #275
www.creampuff.us
Sent: Friday, November 29, 2013 11:01 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi
In the Amel 54 there is only 24V output for SSB. I ordered from Victron Energy the Model Orion 24/12-70A
Can someone give me a feedback if this converter is ok?
Thanks
Lior
2013/11/29 Richard03801 <richard03801@...>
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
Regards
Richard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
All Amel boats since at least as far back as the Meltem in the 1970’s has a floating/full earth return 12 and/or 24 volt direct current system. Simply, this means all DC power comes out of the battery, to the device that needs the power, AND THEN RETURN COMPLETRLY AND DIRECTLY TO TH BATTERY BANK. This prevents many possibilities of corrosion and keeps noisy things like fans and fridge motors from ‘talking’ to your radio, stereo and so forth. It is extremely important to never corrupt this system as, depending on how much power has been corrupted, you can suffer serious problems with electrolysis and feedback.
All Amel’s that had a ICOM SSB installed at the shipyard came with a special ICOM 24-12 volt transformer/converter with an isolated negative to accommodate the floating/full earth return. If you provided your own equipment for them to install, they always insisted on the special isolated negative transformer and would not install transformers that were not compliant with this. SSB’s require a healthy amount of power that can cause trouble if not integrated into the DC system correctly.
If your Amel has been modified by those unknowing of the type of DC system it has, change it back to the way God and Captain Amel ( and Jacques Carteau! ) conceived it.
If an electrician or electronics installer comes to your boat, be sure to ask him if he is familiar with a floating DC systems. His answer should be in the affirmative with a compliment that this is the best way to power DC gear. If he says “no”, “that’s stupid”, or “Whuzzat”, send him away. Trust me, you don’t want to screw around with this. I sold a SM 53 boat where the rudder shaft was Swiss cheese because of an improper SSB install. When we dropped the rudder to replace it, I bent the shaft in half with my bare hands. They guy who bought this boat still owns it, I believe, and I invite you to chime in here. He spent $3500 to repair the wiring and more to replace the rudder shaft here in Fort Lauderdale. Amel was a big help with technical assistance but Carteau admonished me to not screw around with the DC electrical system even though it wasn’t I who ever messed with any DC system on an Amel.
All the best,
Joel
Joel F. Potter - Cruising Yacht Specialist, LLC
Amel's Sole Associate for the Americas
Mailing Address: 401 East Las Olas Boulevard #130-126
Fort Lauderdale, Florida 33301
Phone: (954) 462-5869 Cell: (954) 812-2485
Email: jfpottercys@...
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
Regards
Richard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
All Amel boats since at least as far back as the Meltem in the 1970’s has a floating/full earth return 12 and/or 24 volt direct current system. Simply, this means all DC power comes out of the battery, to the device that needs the power, AND THEN RETURN COMPLETRLY AND DIRECTLY TO TH BATTERY BANK. This prevents many possibilities of corrosion and keeps noisy things like fans and fridge motors from ‘talking’ to your radio, stereo and so forth. It is extremely important to never corrupt this system as, depending on how much power has been corrupted, you can suffer serious problems with electrolysis and feedback.
All Amel’s that had a ICOM SSB installed at the shipyard came with a special ICOM 24-12 volt transformer/converter with an isolated negative to accommodate the floating/full earth return. If you provided your own equipment for them to install, they always insisted on the special isolated negative transformer and would not install transformers that were not compliant with this. SSB’s require a healthy amount of power that can cause trouble if not integrated into the DC system correctly.
If your Amel has been modified by those unknowing of the type of DC system it has, change it back to the way God and Captain Amel ( and Jacques Carteau! ) conceived it.
If an electrician or electronics installer comes to your boat, be sure to ask him if he is familiar with a floating DC systems. His answer should be in the affirmative with a compliment that this is the best way to power DC gear. If he says “no”, “that’s stupid”, or “Whuzzat”, send him away. Trust me, you don’t want to screw around with this. I sold a SM 53 boat where the rudder shaft was Swiss cheese because of an improper SSB install. When we dropped the rudder to replace it, I bent the shaft in half with my bare hands. They guy who bought this boat still owns it, I believe, and I invite you to chime in here. He spent $3500 to repair the wiring and more to replace the rudder shaft here in Fort Lauderdale. Amel was a big help with technical assistance but Carteau admonished me to not screw around with the DC electrical system even though it wasn’t I who ever messed with any DC system on an Amel.
All the best,
Joel
Joel F. Potter - Cruising Yacht Specialist, LLC
Amel's Sole Associate for the Americas
Mailing Address: 401 East Las Olas Boulevard #130-126
Fort Lauderdale, Florida 33301
Phone: (954) 462-5869 Cell: (954) 812-2485
Email: jfpottercys@...
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
We will install a Kenwood 480HX SSB with an MFJ 993BRT automatic antenna tuner on our SN #120. We do not have a HF ground plate (I think that was an only an option for the SN). To ground the antenna Tuner I planned to connect it to the rudder shaft where the thick yellow/green cables are connected (I assume they are for the VHF grounding).
http://groups.yahoo.com/neo/groups/amelyachtowners/photos/albums/329276585
is that ok? (do not want to have a Swiss cheese rudder shaft J )
Thanks, Herbert
SN #120 Kali Mera, Sukosan
Von: amelyachtowners@... [mailto:amelyachtowners@...] Im Auftrag von Joel F Potter
Gesendet: Freitag, 29. November 2013 17:16
An: amelyachtowners@...
Betreff: RE: [Amel] Isolated or non Isolated DC to DC Convertor
All Amel boats since at least as far back as the Meltem in the 1970’s has a floating/full earth return 12 and/or 24 volt direct current system. Simply, this means all DC power comes out of the battery, to the device that needs the power, AND THEN RETURN COMPLETRLY AND DIRECTLY TO TH BATTERY BANK. This prevents many possibilities of corrosion and keeps noisy things like fans and fridge motors from ‘talking’ to your radio, stereo and so forth. It is extremely important to never corrupt this system as, depending on how much power has been corrupted, you can suffer serious problems with electrolysis and feedback.
All Amel’s that had a ICOM SSB installed at the shipyard came with a special ICOM 24-12 volt transformer/converter with an isolated negative to accommodate the floating/full earth return. If you provided your own equipment for them to install, they always insisted on the special isolated negative transformer and would not install transformers that were not compliant with this. SSB’s require a healthy amount of power that can cause trouble if not integrated into the DC system correctly.
If your Amel has been modified by those unknowing of the type of DC system it has, change it back to the way God and Captain Amel ( and Jacques Carteau! ) conceived it.
If an electrician or electronics installer comes to your boat, be sure to ask him if he is familiar with a floating DC systems. His answer should be in the affirmative with a compliment that this is the best way to power DC gear. If he says “no”, “that’s stupid”, or “Whuzzat”, send him away. Trust me, you don’t want to screw around with this. I sold a SM 53 boat where the rudder shaft was Swiss cheese because of an improper SSB install. When we dropped the rudder to replace it, I bent the shaft in half with my bare hands. They guy who bought this boat still owns it, I believe, and I invite you to chime in here. He spent $3500 to repair the wiring and more to replace the rudder shaft here in Fort Lauderdale. Amel was a big help with technical assistance but Carteau admonished me to not screw around with the DC electrical system even though it wasn’t I who ever messed with any DC system on an Amel.
All the best,
Joel
Joel F. Potter - Cruising Yacht Specialist, LLC
Amel's Sole Associate for the Americas
Mailing Address: 401 East Las Olas Boulevard #130-126
Fort Lauderdale, Florida 33301
Phone: (954) 462-5869 Cell: (954) 812-2485
Email: jfpottercys@...
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
Regards
Richard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
Amel Santorin#84 "Sisila"
We will install a Kenwood 480HX SSB with an MFJ 993BRT automatic antenna tuner on our SN #120. We do not have a HF ground plate (I think that was an only an option for the SN). To ground the antenna Tuner I planned to connect it to the rudder shaft where the thick yellow/green cables are connected (I assume they are for the VHF grounding).
http://groups.yahoo.com/neo/groups/amelyachtowners/photos/albums/329276585
is that ok? (do not want to have a Swiss cheese rudder shaft J )
Thanks, Herbert
SN #120 Kali Mera, Sukosan
Von: amelyachtowners@... [mailto:amelyachtowners@...] Im Auftrag von Joel F Potter
Gesendet: Freitag, 29. November 2013 17:16
An: amelyachtowners@...
Betreff: RE: [Amel] Isolated or non Isolated DC to DC Convertor
All Amel boats since at least as far back as the Meltem in the 1970’s has a floating/full earth return 12 and/or 24 volt direct current system. Simply, this means all DC power comes out of the battery, to the device that needs the power, AND THEN RETURN COMPLETRLY AND DIRECTLY TO TH BATTERY BANK. This prevents many possibilities of corrosion and keeps noisy things like fans and fridge motors from ‘talking’ to your radio, stereo and so forth. It is extremely important to never corrupt this system as, depending on how much power has been corrupted, you can suffer serious problems with electrolysis and feedback.
All Amel’s that had a ICOM SSB installed at the shipyard came with a special ICOM 24-12 volt transformer/converter with an isolated negative to accommodate the floating/full earth return. If you provided your own equipment for them to install, they always insisted on the special isolated negative transformer and would not install transformers that were not compliant with this. SSB’s require a healthy amount of power that can cause trouble if not integrated into the DC system correctly.
If your Amel has been modified by those unknowing of the type of DC system it has, change it back to the way God and Captain Amel ( and Jacques Carteau! ) conceived it.
If an electrician or electronics installer comes to your boat, be sure to ask him if he is familiar with a floating DC systems. His answer should be in the affirmative with a compliment that this is the best way to power DC gear. If he says “no”, “that’s stupid”, or “Whuzzat”, send him away. Trust me, you don’t want to screw around with this. I sold a SM 53 boat where the rudder shaft was Swiss cheese because of an improper SSB install. When we dropped the rudder to replace it, I bent the shaft in half with my bare hands. They guy who bought this boat still owns it, I believe, and I invite you to chime in here. He spent $3500 to repair the wiring and more to replace the rudder shaft here in Fort Lauderdale. Amel was a big help with technical assistance but Carteau admonished me to not screw around with the DC electrical system even though it wasn’t I who ever messed with any DC system on an Amel.
All the best,
Joel
Joel F. Potter - Cruising Yacht Specialist, LLC
Amel's Sole Associate for the Americas
Mailing Address: 401 East Las Olas Boulevard #130-126
Fort Lauderdale, Florida 33301
Phone: (954) 462-5869 Cell: (954) 812-2485
Email: jfpottercys@...
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
We will install a Kenwood 480HX SSB with an MFJ 993BRT automatic antenna tuner on our SN #120. We do not have a HF ground plate (I think that was an only an option for the SN). To ground the antenna Tuner I planned to connect it to the rudder shaft where the thick yellow/green cables are connected (I assume they are for the VHF grounding).
http://groups.yahoo.com/neo/groups/amelyachtowners/photos/albums/329276585
is that ok? (do not want to have a Swiss cheese rudder shaft J )
Thanks, Herbert
SN #120 Kali Mera, Sukosan
Von: amelyachtowners@... [mailto:amelyachtowners@...] Im Auftrag von Joel F Potter
Gesendet: Freitag, 29. November 2013 17:16
An: amelyachtowners@...
Betreff: RE: [Amel] Isolated or non Isolated DC to DC Convertor
All Amel boats since at least as far back as the Meltem in the 1970’s has a floating/full earth return 12 and/or 24 volt direct current system. Simply, this means all DC power comes out of the battery, to the device that needs the power, AND THEN RETURN COMPLETRLY AND DIRECTLY TO TH BATTERY BANK. This prevents many possibilities of corrosion and keeps noisy things like fans and fridge motors from ‘talking’ to your radio, stereo and so forth. It is extremely important to never corrupt this system as, depending on how much power has been corrupted, you can suffer serious problems with electrolysis and feedback.
All Amel’s that had a ICOM SSB installed at the shipyard came with a special ICOM 24-12 volt transformer/converter with an isolated negative to accommodate the floating/full earth return. If you provided your own equipment for them to install, they always insisted on the special isolated negative transformer and would not install transformers that were not compliant with this. SSB’s require a healthy amount of power that can cause trouble if not integrated into the DC system correctly.
If your Amel has been modified by those unknowing of the type of DC system it has, change it back to the way God and Captain Amel ( and Jacques Carteau! ) conceived it.
If an electrician or electronics installer comes to your boat, be sure to ask him if he is familiar with a floating DC systems. His answer should be in the affirmative with a compliment that this is the best way to power DC gear. If he says “no”, “that’s stupid”, or “Whuzzat”, send him away. Trust me, you don’t want to screw around with this. I sold a SM 53 boat where the rudder shaft was Swiss cheese because of an improper SSB install. When we dropped the rudder to replace it, I bent the shaft in half with my bare hands. They guy who bought this boat still owns it, I believe, and I invite you to chime in here. He spent $3500 to repair the wiring and more to replace the rudder shaft here in Fort Lauderdale. Amel was a big help with technical assistance but Carteau admonished me to not screw around with the DC electrical system even though it wasn’t I who ever messed with any DC system on an Amel.
All the best,
Joel
Joel F. Potter - Cruising Yacht Specialist, LLC
Amel's Sole Associate for the Americas
Mailing Address: 401 East Las Olas Boulevard #130-126
Fort Lauderdale, Florida 33301
Phone: (954) 462-5869 Cell: (954) 812-2485
Email: jfpottercys@...
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
I do not believe the 12 v sailor would supply sufficient amps for a SSB radio. I have a very hefty converter made by ICOM that Amel installed under the Nav station. This item is now discontinue. However there are a lot of high amp 24-12 volt electronic converters on the market.
Fair Winds
Eric
Amel Super Maramu #376 Kimberlite
From: amelyachtowners@...
[mailto:amelyachtowners@...] On
Behalf Of Richard03801
Sent: Friday, November 29, 2013
10:27 AM
To:
amelyachtowners@...
Subject: Re: [Amel] Isolated or
non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140
tuner.
Regards
Richard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...>
wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard PillerCell 603 767 5330Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.I am pretty sure that our vessel (SM#196) does not have a positive ground system.Did Amel built their boats with a floating ground?What does this mean with respect to installing a DC to DC convertor?What are the ramifications for using a non isolated DC to DC convertor?Any help understanding this is much appreciated.Terry&DenaSV Libby SM#196San Diego
Fairwinds to all.
I do not believe the 12 v sailor would supply sufficient amps for a SSB radio. I have a very hefty converter made by ICOM that Amel installed under the Nav station. This item is now discontinue. However there are a lot of high amp 24-12 volt electronic converters on the market.
Fair Winds
Eric
Amel Super Maramu #376 Kimberlite
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
Input Voltage 21.6 to 31.2V DCOutput Voltage 13.2V DCOutput Current Max. 8A DC
Note the transmit amperage of the IC M802 is 30 amps and the maximum output of the Sailor N420 is 8 amps.Power supply requirement 13.6V DC ±15%Tx (Max. power) 30A (typ.)Rx (Max. audio) 3.0A
Hi Eric. When your essay 209 Amelle supplied the boat with sailor 24 to 12 V inverters. They also supplied the boat with a single sideband I've change that to an 802 with no issues powering it from that same sailor converter. We have had no issues up-and-down the single side band and ham bands.
Fairwinds to all.SM 209 for sale in Newport Rhode Island.
I do not believe the 12 v sailor would supply sufficient amps for a SSB radio. I have a very hefty converter made by ICOM that Amel installed under the Nav station. This item is now discontinue. However there are a lot of high amp 24-12 volt electronic converters on the market.
Fair Winds
Eric
Amel Super Maramu #376 Kimberlite
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
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Hi Eric. When your essay 209 Amelle supplied the boat with sailor 24 to 12 V inverters. They also supplied the boat with a single sideband I've change that to an 802 with no issues powering it from that same sailor converter. We have had no issues up-and-down the single side band and ham bands.
Fairwinds to all.SM 209 for sale in Newport Rhode Island.Richard PillerCell 603 767 5330
I do not believe the 12 v sailor would supply sufficient amps for a SSB radio. I have a very hefty converter made by ICOM that Amel installed under the Nav station. This item is now discontinue. However there are a lot of high amp 24-12 volt electronic converters on the market.
Fair Winds
Eric
Amel Super Maramu #376 Kimberlite
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
Hi Eric.Sorry for the text I did this using a speakerphone dictating and it did not come out right.On my factory supplied single side band there are several sailor 24 to 12 V inverters under the net station they power the SSB. My Icom 8O2 is a 12 volt unit and it works perfectly using the Amel supplied Sailor units installation.1998 SM 209 in Newport RI for sale.Fair windsRegardsCapt Richard PillerHi Eric. When your essay 209 Amelle supplied the boat with sailor 24 to 12 V inverters. They also supplied the boat with a single sideband I've change that to an 802 with no issues powering it from that same sailor converter. We have had no issues up-and-down the single side band and ham bands.
Fairwinds to all.
I do not believe the 12 v sailor would supply sufficient amps for a SSB radio. I have a very hefty converter made by ICOM that Amel installed under the Nav station. This item is now discontinue. However there are a lot of high amp 24-12 volt electronic converters on the market.
Fair Winds
Eric
Amel Super Maramu #376 Kimberlite
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
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Hi Attilio,
Thx for the information, I will try the KISS-SSB, the Tuner will be mounted at the same point as you have it. If the KISS-SSB is enough grounding then I will not connect it to the rudder, but will check how it works.
I will install the SCS pactor 3 modem and will isolate the backstay when Lorenzo changes the rigging in spring.
My Call-Sign is OE3HLA
Fair winds
Herbert
SN #120, Kali Mera, Croatia
.
Von: amelyachtowners@... [mailto:amelyachtowners@...] Im Auftrag von Siviero Attilio
Gesendet: Freitag, 29. November 2013 19:10
An: Briggs Craig
Betreff: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Herbert,
I Installed on my Santorin #84 "Sisila" an Icom 718 with an Icom AT141 automatic tuner and Pactor modem, and it works well with a KISS-SSB couterpoise to act as ground plane (see http://www.kiss-ssb.com/index.html, it costs 125€ including shipment). My "techie", an ham radio expert much more than me, also connected the ground to the rudder, as you think to do.
The advantage to have the kiss-ssb is that you have a ground plane also out of water, when you are on the hard, and the ground plane is more "consistent".
The antenna is an insulated backstay, some 10m between insulators - very expensive piece of shroud, some 500€ -, it acts as a lambda/4 whip antenna, which with the ground plane works as a lambda/2 dipole antenna 20m long, perfect fro 40m band without any tuning, and also for 20m band, the most crowded by ham radio enthusiasts and short-wave listeners (SWLs), so when you navigate you have always somebody ready to listen to you.
Your rig seems to be better than mine, at least more powerful, and also the tuner is OK, but be careful to place the tuner as close as possible to the antenna, otherwise you tune the feeding line more than the antenna. Mauro put it in the lazarete, just below the antenna, and the KISS-SSB runs around the lazarete ceiling, just around the top opening.
The tuner permits you to use the antenna also for 80m and 160m, the low bands most used at night, with the Pactor I was able to do emails from everywhere, via Winlink.
My American call-sign is KD2ECB, General Class; the italian one is in course of assignment, Extra Class, in the next months (italian bureaucracy is back in middle-age time....).
Hope this helps, fai winds
Attilio & Maria Siviero
Amel Santorin#84 "Sisila"
We will install a Kenwood 480HX SSB with an MFJ 993BRT automatic antenna tuner on our SN #120. We do not have a HF ground plate (I think that was an only an option for the SN). To ground the antenna Tuner I planned to connect it to the rudder shaft where the thick yellow/green cables are connected (I assume they are for the VHF grounding).
http://groups.yahoo.com/neo/groups/amelyachtowners/photos/albums/329276585
is that ok? (do not want to have a Swiss cheese rudder shaft J )
Thanks, Herbert
SN #120 Kali Mera, Sukosan
Von: amelyachtowners@... [mailto:amelyachtowners@...] Im Auftrag von Joel F Potter
Gesendet: Freitag, 29. November 2013 17:16
An: amelyachtowners@...
Betreff: RE: [Amel] Isolated or non Isolated DC to DC Convertor
All Amel boats since at least as far back as the Meltem in the 1970’s has a floating/full earth return 12 and/or 24 volt direct current system. Simply, this means all DC power comes out of the battery, to the device that needs the power, AND THEN RETURN COMPLETRLY AND DIRECTLY TO TH BATTERY BANK. This prevents many possibilities of corrosion and keeps noisy things like fans and fridge motors from ‘talking’ to your radio, stereo and so forth. It is extremely important to never corrupt this system as, depending on how much power has been corrupted, you can suffer serious problems with electrolysis and feedback.
All Amel’s that had a ICOM SSB installed at the shipyard came with a special ICOM 24-12 volt transformer/converter with an isolated negative to accommodate the floating/full earth return. If you provided your own equipment for them to install, they always insisted on the special isolated negative transformer and would not install transformers that were not compliant with this. SSB’s require a healthy amount of power that can cause trouble if not integrated into the DC system correctly.
If your Amel has been modified by those unknowing of the type of DC system it has, change it back to the way God and Captain Amel ( and Jacques Carteau! ) conceived it.
If an electrician or electronics installer comes to your boat, be sure to ask him if he is familiar with a floating DC systems. His answer should be in the affirmative with a compliment that this is the best way to power DC gear. If he says “no”, “that’s stupid”, or “Whuzzat”, send him away. Trust me, you don’t want to screw around with this. I sold a SM 53 boat where the rudder shaft was Swiss cheese because of an improper SSB install. When we dropped the rudder to replace it, I bent the shaft in half with my bare hands. They guy who bought this boat still owns it, I believe, and I invite you to chime in here. He spent $3500 to repair the wiring and more to replace the rudder shaft here in Fort Lauderdale. Amel was a big help with technical assistance but Carteau admonished me to not screw around with the DC electrical system even though it wasn’t I who ever messed with any DC system on an Amel.
All the best,
Joel
Joel F. Potter - Cruising Yacht Specialist, LLC
Amel's Sole Associate for the Americas
Mailing Address: 401 East Las Olas Boulevard #130-126
Fort Lauderdale, Florida 33301
Phone: (954) 462-5869 Cell: (954) 812-2485
Email: jfpottercys@...
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
Regards
Richard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
Captain Pillar,On all of the Super Maramus I have seen, there are 3 of the Thrane & Thrane Sailor N420 24VDC to 12VDC converter/regulators. These are located inside the right door below the nav table.One of these Sailor N420's is for 12V instruments (B&G Hydra or other), another for 12V VHF and the third for 12V accessories like the AM/FM Stereo and cigarette lighter. Each of these has a maximum rated output of 8 amps.The IC M802 requires a maximum of 30 amps in Transmit...3 amps in Receive.
Your installation is not only wrong, it is likely dangerous.BillBeBe
On Sat, Nov 30, 2013 at 1:39 PM, Richard Piller <richard03801@...> wrote:
Hi Eric.Sorry for the text I did this using a speakerphone dictating and it did not come out right.On my factory supplied single side band there are several sailor 24 to 12 V inverters under the net station they power the SSB. My Icom 8O2 is a 12 volt unit and it works perfectly using the Amel supplied Sailor units installation.1998 SM 209 in Newport RI for sale.Fair windsRegardsCapt Richard PillerHi Eric. When your essay 209 Amelle supplied the boat with sailor 24 to 12 V inverters. They also supplied the boat with a single sideband I've change that to an 802 with no issues powering it from that same sailor converter. We have had no issues up-and-down the single side band and ham bands.
Fairwinds to all.
I do not believe the 12 v sailor would supply sufficient amps for a SSB radio. I have a very hefty converter made by ICOM that Amel installed under the Nav station. This item is now discontinue. However there are a lot of high amp 24-12 volt electronic converters on the market.
Fair Winds
Eric
Amel Super Maramu #376 Kimberlite
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
I am using the Free version of SPAMfighter.
SPAMfighter has removed 2389 of my spam emails to date.
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dear billcan you maybe write what converter is installed on your boat? i did not find any isolated converter.thanksliorCaptain Pillar,On all of the Super Maramus I have seen, there are 3 of the Thrane & Thrane Sailor N420 24VDC to 12VDC converter/regulators. These are located inside the right door below the nav table.One of these Sailor N420's is for 12V instruments (B&G Hydra or other), another for 12V VHF and the third for 12V accessories like the AM/FM Stereo and cigarette lighter. Each of these has a maximum rated output of 8 amps.The IC M802 requires a maximum of 30 amps in Transmit...3 amps in Receive.
Your installation is not only wrong, it is likely dangerous.BillBeBe
On Sat, Nov 30, 2013 at 1:39 PM, Richard Piller <richard03801@...> wrote:
Hi Eric.Sorry for the text I did this using a speakerphone dictating and it did not come out right.On my factory supplied single side band there are several sailor 24 to 12 V inverters under the net station they power the SSB. My Icom 8O2 is a 12 volt unit and it works perfectly using the Amel supplied Sailor units installation.1998 SM 209 in Newport RI for sale.Fair windsRegardsCapt Richard PillerHi Eric. When your essay 209 Amelle supplied the boat with sailor 24 to 12 V inverters. They also supplied the boat with a single sideband I've change that to an 802 with no issues powering it from that same sailor converter. We have had no issues up-and-down the single side band and ham bands.
Fairwinds to all.
I do not believe the 12 v sailor would supply sufficient amps for a SSB radio. I have a very hefty converter made by ICOM that Amel installed under the Nav station. This item is now discontinue. However there are a lot of high amp 24-12 volt electronic converters on the market.
Fair Winds
Eric
Amel Super Maramu #376 Kimberlite
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
I am using the Free version of SPAMfighter.
SPAMfighter has removed 2389 of my spam emails to date.
Do you have a slow PC? Try a free scan!
I have an ICOM PS66, DC-DC Converter. It is rated for 30 Amps and uses technology that is designed for radio transmitters and receivers.This was installed by Amel when BeBe was manufactured.
BillBeBe, SM2k, #387On Sat, Nov 30, 2013 at 2:39 PM, Lior <lior246@...> wrote:
dear billcan you maybe write what converter is installed on your boat? i did not find any isolated converter.thanksliorCaptain Pillar,On all of the Super Maramus I have seen, there are 3 of the Thrane & Thrane Sailor N420 24VDC to 12VDC converter/regulators. These are located inside the right door below the nav table.One of these Sailor N420's is for 12V instruments (B&G Hydra or other), another for 12V VHF and the third for 12V accessories like the AM/FM Stereo and cigarette lighter. Each of these has a maximum rated output of 8 amps.The IC M802 requires a maximum of 30 amps in Transmit...3 amps in Receive.
Your installation is not only wrong, it is likely dangerous.BillBeBe
On Sat, Nov 30, 2013 at 1:39 PM, Richard Piller <richard03801@...> wrote:
Hi Eric.Sorry for the text I did this using a speakerphone dictating and it did not come out right.On my factory supplied single side band there are several sailor 24 to 12 V inverters under the net station they power the SSB. My Icom 8O2 is a 12 volt unit and it works perfectly using the Amel supplied Sailor units installation.1998 SM 209 in Newport RI for sale.Fair windsRegardsCapt Richard PillerHi Eric. When your essay 209 Amelle supplied the boat with sailor 24 to 12 V inverters. They also supplied the boat with a single sideband I've change that to an 802 with no issues powering it from that same sailor converter. We have had no issues up-and-down the single side band and ham bands.
Fairwinds to all.
I do not believe the 12 v sailor would supply sufficient amps for a SSB radio. I have a very hefty converter made by ICOM that Amel installed under the Nav station. This item is now discontinue. However there are a lot of high amp 24-12 volt electronic converters on the market.
Fair Winds
Eric
Amel Super Maramu #376 Kimberlite
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
I am using the Free version of SPAMfighter.
SPAMfighter has removed 2389 of my spam emails to date.
Do you have a slow PC? Try a free scan!
thanks billi really do not understand it so good.there are from alfatronix "non isolated common negative" or "isolated input to output" converters.could you maybe tell me what is the right one? or am i completally wrong?thanks a lotliorנשלח מה-iPad שליI have an ICOM PS66, DC-DC Converter. It is rated for 30 Amps and uses technology that is designed for radio transmitters and receivers.This was installed by Amel when BeBe was manufactured.
BillBeBe, SM2k, #387On Sat, Nov 30, 2013 at 2:39 PM, Lior <lior246@...> wrote:
dear billcan you maybe write what converter is installed on your boat? i did not find any isolated converter.thanksliorCaptain Pillar,On all of the Super Maramus I have seen, there are 3 of the Thrane & Thrane Sailor N420 24VDC to 12VDC converter/regulators. These are located inside the right door below the nav table.One of these Sailor N420's is for 12V instruments (B&G Hydra or other), another for 12V VHF and the third for 12V accessories like the AM/FM Stereo and cigarette lighter. Each of these has a maximum rated output of 8 amps.The IC M802 requires a maximum of 30 amps in Transmit...3 amps in Receive.
Your installation is not only wrong, it is likely dangerous.BillBeBe
On Sat, Nov 30, 2013 at 1:39 PM, Richard Piller <richard03801@...> wrote:
Hi Eric.Sorry for the text I did this using a speakerphone dictating and it did not come out right.On my factory supplied single side band there are several sailor 24 to 12 V inverters under the net station they power the SSB. My Icom 8O2 is a 12 volt unit and it works perfectly using the Amel supplied Sailor units installation.1998 SM 209 in Newport RI for sale.Fair windsRegardsCapt Richard PillerHi Eric. When your essay 209 Amelle supplied the boat with sailor 24 to 12 V inverters. They also supplied the boat with a single sideband I've change that to an 802 with no issues powering it from that same sailor converter. We have had no issues up-and-down the single side band and ham bands.
Fairwinds to all.
I do not believe the 12 v sailor would supply sufficient amps for a SSB radio. I have a very hefty converter made by ICOM that Amel installed under the Nav station. This item is now discontinue. However there are a lot of high amp 24-12 volt electronic converters on the market.
Fair Winds
Eric
Amel Super Maramu #376 Kimberlite
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
I am using the Free version of SPAMfighter.
SPAMfighter has removed 2389 of my spam emails to date.
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The Newmar 48-12-35I is a unit that is isolated and is rated to 25amp continuous and 35 amp peak. I have a tech support ticket open at Icom USA to find out if this would work with their M802. I will post their response. But, I’m guessing they will say it needs to be 30 amp continuous since that is what is stated in the manual. I’ve never known tech support to override the manual.
Best regards,
Mark
SM2K #275
www.creampuff.us
Sent: Saturday, November 30, 2013 10:54 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Lior,
If you are looking at PowerVerter, you will need a 24 / 30 A PV24i. Isolated
Input to Output.
On SM #387, Amel used a ICOM PS66 , DC-DC Converter which is 24 volts to 12 volts with 30 amps output. I know the Icom works very well. I no nothing about PowerVerter...may be good...I do not know.
Bill
BeBe
On Sat, Nov 30, 2013 at 3:41 PM, Lior Keydar <lior246@...> wrote:
thanks bill
i really do not understand it so good.
there are from alfatronix "non isolated common negative" or "isolated input to output" converters.
could you maybe tell me what is the right one? or am i completally wrong?
thanks a lot
lior
נשלח מה-iPad שלי
ב-30.11.2013, בשעה 15:58, "Bill & Judy Rouse" <yahoogroups@...> כתב/ה:
I have an ICOM PS66, DC-DC Converter. It is rated for 30 Amps and uses technology that is designed for radio transmitters and receivers.
This was installed by Amel when BeBe was manufactured.
Bill
BeBe, SM2k, #387
On Sat, Nov 30, 2013 at 2:39 PM, Lior <lior246@...> wrote:
dear bill
can you maybe write what converter is installed on your boat? i did not find any isolated converter.
thanks
lior
ב-30 בנוב 2013, בשעה 14:50, "Bill & Judy Rouse" <yahoogroups@...> כתב/ה:
Captain Pillar,
On all of the Super Maramus I have seen, there are 3 of the Thrane & Thrane Sailor N420 24VDC to 12VDC converter/regulators. These are located inside the right door below the nav table.
One of these Sailor N420's is for 12V instruments (B&G Hydra or other), another for 12V VHF and the third for 12V accessories like the AM/FM Stereo and cigarette lighter. Each of these has a maximum rated output of 8 amps.
The IC M802 requires a maximum of 30 amps in Transmit...3 amps in Receive.
Your installation is not only wrong, it is likely dangerous.
Bill
BeBe
On Sat, Nov 30, 2013 at 1:39 PM, Richard Piller <richard03801@...> wrote:
Hi Eric.
Sorry for the text I did this using a speakerphone dictating and it did not come out right.
On my factory supplied single side band there are several sailor 24 to 12 V inverters under the net station they power the SSB. My Icom 8O2 is a 12 volt unit and it works perfectly using the Amel supplied Sailor units installation.
1998 SM 209 in Newport RI for sale.
Fair winds
Regards
Capt Richard Piller
On Nov 30, 2013, at 7:09, Richard03801 <richard03801@...> wrote:
Hi Eric. When your essay 209 Amelle supplied the boat with sailor 24 to 12 V inverters. They also supplied the boat with a single sideband I've change that to an 802 with no issues powering it from that same sailor converter. We have had no issues up-and-down the single side band and ham bands.
Fairwinds to all.
On Nov 29, 2013, at 20:20, Sailorman <kimberlite@...> wrote:
I do not believe the 12 v sailor would supply sufficient amps for a SSB radio. I have a very hefty converter made by ICOM that Amel installed under the Nav station. This item is now discontinue. However there are a lot of high amp 24-12 volt electronic converters on the market.
Fair Winds
Eric
Amel Super Maramu #376 Kimberlite
From: amelyachtowners@... [mailto:amelyachtowners@...] On Behalf Of Richard03801
Sent: Friday, November 29, 2013 10:27 AM
To: amelyachtowners@...
Subject: Re: [Amel] Isolated or non Isolated DC to DC Convertor
Hi. Under the navigation station the doors on the right side have 12 V power supplies that should be your source for 12 V coming off the 24 bank. I believe the brand name is sailor.
In the ass locker there should be a copper foil for grounding the A140 tuner.
RegardsRichard Piller
Cell 603 767 5330
On Nov 29, 2013, at 8:27, <terencesingh@...> wrote:
Some advise is needed with respect to the replacement of the factory installed 24VDC to 12VDC DC to DC Convertor.
We are about to install our Icom M802/AT140 SSB Radio.
The existing 12VDC wiring system is quite mess and includes a separate 12VDC battery that was used for the previous SSB installation.
I have heard that an Isolated ground DC to DC convertor should be used. These are used in systems that are ether positive ground or with floating ground systems.
I am pretty sure that our vessel (SM#196) does not have a positive ground system.
Did Amel built their boats with a floating ground?
What does this mean with respect to installing a DC to DC convertor?
What are the ramifications for using a non isolated DC to DC convertor?
Any help understanding this is much appreciated.
Terry&Dena
SV Libby SM#196
San Diego
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