Date   

Climma A/C saltwater plumbing - I was wrong!

 

All,

About 10 years ago someone from Amel explained to me the saltwater plumbing to the Climma Compact units were in series with the cooling water getting progressively warmer with each unit. When I looked at each visible hose, it appeared that they were in series.

With the help of Rob Warren at Coastal Climate Control and Thierry Billard at Amel, this has been clarified. The units are plumbed parallel.

I have been wrong about this for 10 years because the parallel hose junctions are hidden and only one inlet and output at each Climma Unit. Also, many years ago when someone told me they were in series and I did not check! (always measure twiceūüėÄ).

Later today I will upload a waterflow diagram that illustrates this.

I apologize for the error and hope that this did not cause any issues for you, especially Loca Lola who installed AC units recently based on my instructions.

Best,

CW Bill Rouse
Admiral, Texas Navy
Commander Emeritus

Amel School  http://www.amelschool.com
720 Winnie St
Galveston Island, TX 77550

+1(832) 380-4970

Any opinions and conclusions expressed in this message are solely those of the author and should not be construed as representing the opinion of an expert. Manufacturers' and Expert's precautions must be considered when dealing with mechanical and/or electrical systems to ensure that you are NOT harmed, and/or the device and/or system is NOT ruined. If in doubt, do not touch any mechanical and/or electrical device or system referred to above.


Re: [Amel Yacht Owners] Priming Fresh water pump

Sv Garulfo
 

Hi Bill,

That sounds like bad news (like a somehow broken pump) because i would expect a suction side air leak to have caused problems before we got into the empty tank situation?

Is there a foot valve on the suction line side in the tank to keep it primed ? Is that what you call the in-line one way valve?

I’ll investigate the hoses and try the pump on its own. 

Thanks
Thomas


On Wed, 10 Oct 2018 at 09:19, Bill Rouse brouse@... [amelyachtowners] <amelyachtowners@...> wrote:
 

It is self priming. 

Self priming pumps don't prime if there is a suction-side air leak. Maybe the easiest way to find the problem is to disconnect the suction hose at the source fitting near the bulkhead behind the pump and using a funnel add water to the pump through this hose and reconnect. The suction leak is probably at this hose connection, or at the other end of this hose at the connection to the pump.

Also, you might find the in-line one-way valve stuck open with trash.

Hope this helps.

Best,

CW Bill Rouse
Admiral, Texas Navy
Commander Emeritus
Amel School www.amelschool.com
720 Winnie St
Galveston Island, TX 77550
+1(832) 380-4970


On Wed, Oct 10, 2018, 07:31 'S/V Garulfo' svgarulfo@... [amelyachtowners] <amelyachtowners@...> wrote:
 

Hi all, 

Last night our fresh water pump emptied the fresh water tank (via the toilet rinse).

We refilled the tank with 150L of water. But the pump runs empty. I feel the suction line needs to be re primed. 
We have the original Reya pump and accumulator from Amel. 

Any advice on how to do that?

Thanks
Thomas

GARULFO
A54 122
Curacao 


Re: Holding Tank Retrofit on SM

Steven Bode - SV Intention 1994-SM#117
 

Well, my facia is definitely fiberglassed in. I guess I'm breaking out the grinder to cut out the facia unless anyone else has a miraculous idea! Anyone?

Pictures of the inside of the facia:


Re: [Amel Yacht Owners] Priming Fresh water pump

 

It is self priming. 

Self priming pumps don't prime if there is a suction-side air leak. Maybe the easiest way to find the problem is to disconnect the suction hose at the source fitting near the bulkhead behind the pump and using a funnel add water to the pump through this hose and reconnect. The suction leak is probably at this hose connection, or at the other end of this hose at the connection to the pump.

Also, you might find the in-line one-way valve stuck open with trash.

Hope this helps.

Best,

CW Bill Rouse
Admiral, Texas Navy
Commander Emeritus
Amel School www.amelschool.com
720 Winnie St
Galveston Island, TX 77550
+1(832) 380-4970

On Wed, Oct 10, 2018, 07:31 'S/V Garulfo' svgarulfo@... [amelyachtowners] <amelyachtowners@...> wrote:
 

Hi all, 

Last night our fresh water pump emptied the fresh water tank (via the toilet rinse).

We refilled the tank with 150L of water. But the pump runs empty. I feel the suction line needs to be re primed. 
We have the original Reya pump and accumulator from Amel. 

Any advice on how to do that?

Thanks
Thomas

GARULFO
A54 122
Curacao 


Priming Fresh water pump

Sv Garulfo
 

Hi all, 

Last night our fresh water pump emptied the fresh water tank (via the toilet rinse).

We refilled the tank with 150L of water. But the pump runs empty. I feel the suction line needs to be re primed. 
We have the original Reya pump and accumulator from Amel. 

Any advice on how to do that?

Thanks
Thomas

GARULFO
A54 122
Curacao 


Re: [Amel Yacht Owners] Climma AC - Breaker Tripping - New unit recommendations?

Willem Kroes
 

Hi Duane,

I also had problems with the Climma units. In the end I bought 3 new Webasto units 9000 BTU each. They cost me around 1100 US dollars each (without taxes and shipping cost). I heard that Amel in the Caribbean is also installing these Sebastian units. Only in the saloon we had to cut out a small piece of wood to get the unit in. In the saloon and in the forward cabin we used the small frame and filter of the old Climma units to cover the inlet.

The model is the FCF 9000. It has reverse cycle heating. So not heating element. But to be effective for heating the unit needs 40¬į F¬† outside water temperature.

I bought the units via E-Bay in the US and got shipment to Spain. In total I bought 3 Webasto units for the price of 2 new Climma units.

Best regards,

Willem Kroes

SM # 351  KAVANGA

Cartagena, Spain

Op 9 okt. 2018 19:36 schreef "sailor63109@... [amelyachtowners]" <amelyachtowners@...>:

 

I had a problem earlier this year with the heater not working, so I replaced the three smaller capacitors and it began working again.


Then when it got to the summer, the AC stopped working - the compressor would not start.  I rechecked the capacitors, and all were within spec.  I decided to have a tech work on it and when we turned on the power to the unit it immediately tripped the boat breaker - this was new - before the unit just wouldn't start.  The other two units run fine, so I don't think it's the dock power.


The technician checked for a short to the compressor case, which he said was the leading cause of tripping the breaker, but there was no short.  He recommended a new unit as more cost effective than repair.  As he was leaving he recommended I check the power coming to the unit to be sure the short wasn't in the power supply.


I checked the breaker and have continuity when on and none when off.  I took the wires off the AC and the breaker and the wires have continuity, so no broken wires.  I put the wires back on the breaker and checked continuity at the AC unit with the breaker on (and power off) and that's fine.  With the power wires disconnected from the unit and the breaker and power ON nothing trips the breaker.


In an earlier thread, several people recommended the thermostat as the problem, the tech opined that if it were the problem, it would not trip the breaker.


Any other ideas for troubleshooting?  I've read that the relays sometimes fail, are they the clear plastic enclosed things in the box with the capacitors?


Coastal Climate Control quotes a replacement Climma 9EH at $3,228.  They also sell "Marinaire" brand, a 9,000BTU unit is quoted at $1,399 but it's a 60HZ unit.  What other brands have you replaced this with?


Thanks,

Duane



Re: [Amel Yacht Owners] Climma AC - Breaker Tripping - New unit recommendations?

eric freedman
 

There is a little white thing on the control box with the power wires running through it, It is screwed into the chassis I thought it was called a thermistor but it is not and I forgot what it is called. That thing was the problem with my Climma unit.

Sorry I cannot help any further. Just trace the incoming power to the control box and you will find .it.

Fair Winds

Eric

Kimberlite Amel Super Maramu #376

 

 

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Tuesday, October 09, 2018 5:13 PM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Climma AC - Breaker Tripping - New unit recommendations?

 

 

Does not the blower come on first before the compressor?  Timing may give you a clue where to look. When it’s my compressor then it runs a few seconds until it tries to start the compressor and then bam. 

 

Also if turned to heat mode and no breaker blow then you can rule out fan as being the fault. And also then highly question the compressor/ compressor capacitor correct?  

Just some thoughts. 

 

I’ve blown a lot of capacitors. They are always highly suspect even if I recently tested them. 

 

Porter. 

A54-152

 

 

 

Excuse the errors.  

Sent from my IPhone 


On Oct 9, 2018, at 1:58 PM, Bill Rouse brouse@... [amelyachtowners] <amelyachtowners@...> wrote:

 

For what it is worth:

There are many causes of a short or ground-fault causing this symptom. The ones I know about are in order of probability, followed by a possible solution:

  1. There is a wire inside the control box grounding to the case. This is possible because you have been inside the control box - Check very carefully
  2. There are two more capacitors that you did not change...they are the compressor start and run capacitors - Change them
  3. Corrosion on the Main Control PCB - clean and use CorrosionX
  4. Corrosion on the PCB on the ON/OFF thermostat module  - test by removing small green/yellow wire (EARTH) on the metal frame of the thermostat module, taking appropriate safety precautions...if you don't know how to safely do this, don't do it. If the AC stops tripping, there is a short in the  thermostat module and it is probably caused by corrosion - clean and use corrosionX
  5. Short in the Blower Unit - replace the blower about $375 
  6. Sort in the Compressor unit - Buy a new AC.

If I had completed 1-4 above, without success, I would buy the Blower Unit. Even if it changing the blower with a new one didn't solve your problem, you will have 2 more chances of using it.ūüėÄ

 

Best,

 

CW Bill Rouse
Admiral, Texas Navy
Commander Emeritus

Amel School  
http://www.amelschool.com
720 Winnie St
Galveston Island, TX 77550

+1(832) 380-4970

 

Any opinions and conclusions expressed in this message are solely those of the author and should not be construed as representing the opinion of an expert. Manufacturers' and Expert's precautions must be considered when dealing with mechanical and/or electrical systems to ensure that you are NOT harmed, and/or the device and/or system is NOT ruined. If in doubt, do not touch any mechanical and/or electrical device or system referred to above.

 

 

On Tue, Oct 9, 2018 at 1:26 PM sailor63109@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Thanks Mark.

 

Duane


Re: [Amel Yacht Owners] Climma AC - Breaker Tripping - New unit recommendations?

eric freedman
 

Duane,

I used the Dometic unit. A very simple installed an  inexpensive.

Fair Winds

Eric

Kimberlite Amel Super Maramu #376

 

 

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Tuesday, October 09, 2018 1:20 PM
To: amelyachtowners@...
Subject: [Amel Yacht Owners] Climma AC - Breaker Tripping - New unit recommendations?

 

 

I had a problem earlier this year with the heater not working, so I replaced the three smaller capacitors and it began working again.

 

Then when it got to the summer, the AC stopped working - the compressor would not start.  I rechecked the capacitors, and all were within spec.  I decided to have a tech work on it and when we turned on the power to the unit it immediately tripped the boat breaker - this was new - before the unit just wouldn't start.  The other two units run fine, so I don't think it's the dock power.

 

The technician checked for a short to the compressor case, which he said was the leading cause of tripping the breaker, but there was no short.  He recommended a new unit as more cost effective than repair.  As he was leaving he recommended I check the power coming to the unit to be sure the short wasn't in the power supply.

 

I checked the breaker and have continuity when on and none when off.  I took the wires off the AC and the breaker and the wires have continuity, so no broken wires.  I put the wires back on the breaker and checked continuity at the AC unit with the breaker on (and power off) and that's fine.  With the power wires disconnected from the unit and the breaker and power ON nothing trips the breaker.



In an earlier thread, several people recommended the thermostat as the problem, the tech opined that if it were the problem, it would not trip the breaker.

 

Any other ideas for troubleshooting?  I've read that the relays sometimes fail, are they the clear plastic enclosed things in the box with the capacitors?

 

Coastal Climate Control quotes a replacement Climma 9EH at $3,228.  They also sell "Marinaire" brand, a 9,000BTU unit is quoted at $1,399 but it's a 60HZ unit.  What other brands have you replaced this with?

 

Thanks,

Duane


Re: Repowering: Good running Volvo D3 or rebuild Perkins Prima 80T??

Davi Rozgonyi
 

Hey guys, thank you so much for the input... y'all confirmed what I was thinking already, just those pangs of vestigial greed (cheaper! more power!) are hard to ignore! 

I'm repowering because my perkins has about 7500 hours on it and smokes a little more than I'd like. Still runs like a beast, but we're setting off on a multi-year circumnavigation soon and I want it to be fresh and good for another 8k hours. I have a quote to rebuild it completely (quite a bit more than 2500 USD, but it's a complete workover and we are in the EU after all...sigh). So yeah, anyway, I'll stick to my little perkins! 

Thanks again! 


Re: Repowering: Good running Volvo D3 or rebuild Perkins Prima 80T??

Craig Briggs
 

Hi Davi,
Just out of curiosity, why are you repowering? How many hours on your Perkins? What problems lead you to repower decision?
Should be about $2500 to re-do your Perkins if you do it yourself and it's great fun - should take only about a week.
Cheers, Craig


---In amelyachtowners@..., <davi.rozgonyi@...> wrote :

Hey all.... So I'm repowering my SM and have been presented (maybe) with two options: Complete overhaul and rebuild/rebore of the original Perkins Prima 80T (80 horses) or dropping in the Volvo D3 out of a 54 (110 hp). I know they're completely different beasts, and I'd love the extra HP, but am also more interested in absolute reliability. The Volvo is claimed to run perfectly by people I trust (the future rebuilder of the Perkins and the previous owner of my boat, who is probably reading this and who has been nothing but 1000% honest with me). 


I've done some research and read that Volvos dont seem much desired and/or finicky and/or expensive to fix. BUT that's a lotta extra juice :) My question: Is it worth the squeeze? 


Re: [Amel Yacht Owners] Re: Shock from windlass

karkauai
 

Thanks Bill Reynolds, on it tomorrow.  The guy who Got shocked says it felt like a DC shock, not AC.

Kent Robertson
S/V Kristy
USA cell: 828-234-6819

On Oct 9, 2018, at 3:14 PM, sailor sail23692@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Bad ground is usually the case. Redo ALL grounds to windless motor, switches and breakers.
Bill Reynolds
S/ Baidarka


Re: [Amel Yacht Owners] Shock from windlass

karkauai
 

On it tomorrow, Pat.

Kent Robertson
S/V Kristy
USA cell: 828-234-6819

On Oct 9, 2018, at 12:22 PM, Patrick Mcaneny sailw32@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Kent, Why don't you check between the windlass and rail with a meter both ways , see if you get a voltage reading. What about running a wire from the neg. and then pos. side in the battery bank to your meter up at the windlass and again using the meter ,see if you have a reading ,also check the railing.

Good Luck,
Pat
SM#123


-----Original Message-----
From: Kent Robertson karkauai@... [amelyachtowners] <amelyachtowners@...>
To: amelyachtowners <amelyachtowners@...>
Sent: Sat, Oct 6, 2018 8:37 pm
Subject: Re: [Amel Yacht Owners] Shock from windlass

 
Ok, thanks Bill and Bill.  Going to check it out tomorrow.

Kent
S/V Kristy
SM243

On Oct 6, 2018, at 4:50 PM, greatketch@... [amelyachtowners] <amelyachtowners@...> wrote:

 
Kent,

If there was no AC shore power connected, then that makes things a lot simpler--and safer.

24 Volts DC will normally not give enough current flow through the human body to notice. With very sweat-wet skin I have felt feel what might best be called a "tingle," not anything I'd call a "jolt" although it can be surprising.  

You can certainly put one hand on each terminal of a 24 Volt battery and not feel a thing, because your body has a far higher resistance than that wrench shorted across those same terminals.

Anything less than 50 Volts is normally considered "safe" for people.

Bill Kinney
SM160, Harmonie


Re: Climma AC - Breaker Tripping - New unit recommendations?

Duane Siegfri
 

Porter,

Good point, the breaker trips immediately, so it may well be the blower.  That was one of the checks Bill R. recommended.  I'll have to dig into this when we get to Georgia...we're going there for a bit for Dr. visits etc.

Many thanks,
Duane


Re: Climma AC - Breaker Tripping - New unit recommendations?

Duane Siegfri
 

Ian,

The aft cabin has the least amount of space, did the Webasto unit fit there without modifications?

Thanks,
Duane


Re: [Amel Yacht Owners] Climma AC - Breaker Tripping - New unit recommendations?

Porter McRoberts
 

Does not the blower come on first before the compressor?  Timing may give you a clue where to look. When it’s my compressor then it runs a few seconds until it tries to start the compressor and then bam. 

Also if turned to heat mode and no breaker blow then you can rule out fan as being the fault. And also then highly question the compressor/ compressor capacitor correct?  

Just some thoughts. 

I’ve blown a lot of capacitors. They are always highly suspect even if I recently tested them. 

Porter. 
A54-152



Excuse the errors.  
Sent from my IPhone 

On Oct 9, 2018, at 1:58 PM, Bill Rouse brouse@... [amelyachtowners] <amelyachtowners@...> wrote:

 

For what it is worth:
There are many causes of a short or ground-fault causing this symptom. The ones I know about are in order of probability, followed by a possible solution:
  1. There is a wire inside the control box grounding to the case. This is possible because you have been inside the control box - Check very carefully
  2. There are two more capacitors that you did not change...they are the compressor start and run capacitors - Change them
  3. Corrosion on the Main Control PCB - clean and use CorrosionX
  4. Corrosion on the PCB on the ON/OFF thermostat module  - test by removing small green/yellow wire (EARTH) on the metal frame of the thermostat module, taking appropriate safety precautions...if you don't know how to safely do this, don't do it. If the AC stops tripping, there is a short in the  thermostat module and it is probably caused by corrosion - clean and use corrosionX
  5. Short in the Blower Unit - replace the blower about $375 
  6. Sort in the Compressor unit - Buy a new AC.
If I had completed 1-4 above, without success, I would buy the Blower Unit. Even if it changing the blower with a new one didn't solve your problem, you will have 2 more chances of using it.ūüėÄ

Best,

CW Bill Rouse
Admiral, Texas Navy
Commander Emeritus

Amel School  http://www.amelschool.com
720 Winnie St
Galveston Island, TX 77550

+1(832) 380-4970

Any opinions and conclusions expressed in this message are solely those of the author and should not be construed as representing the opinion of an expert. Manufacturers' and Expert's precautions must be considered when dealing with mechanical and/or electrical systems to ensure that you are NOT harmed, and/or the device and/or system is NOT ruined. If in doubt, do not touch any mechanical and/or electrical device or system referred to above.


On Tue, Oct 9, 2018 at 1:26 PM sailor63109@... [amelyachtowners] <amelyachtowners@...> wrote:
 

Thanks Mark.


Duane


Re: [Amel Yacht Owners] Re: Climma AC - Breaker Tripping - New unit recommendations?

Thomas Peacock
 

The Webasto thermostat control is a little taller than the Climma, but also a little narrower (or maybe the opposite, I’m not on the boat). So there’s a small gap between the unit and the bulkhead it attaches to. Not a big problem, I just haven’t gotten around to a cosmetic fix yet. 

Tom Peacock
Aletes SM 240


On Oct 9, 2018, at 2:24 PM, sailor63109@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Tom,


Could you explain your issue on the control unit?

Thanks,
Duane


Re: [Amel Yacht Owners] Climma AC - Breaker Tripping - New unit recommendations?

 

Duane,

I have attached a page from my Amel School Book for your information.

Best,

CW Bill Rouse
Admiral, Texas Navy
Commander Emeritus

Amel School  http://www.amelschool.com
720 Winnie St
Galveston Island, TX 77550

+1(832) 380-4970

Any opinions and conclusions expressed in this message are solely those of the author and should not be construed as representing the opinion of an expert. Manufacturers' and Expert's precautions must be considered when dealing with mechanical and/or electrical systems to ensure that you are NOT harmed, and/or the device and/or system is NOT ruined. If in doubt, do not touch any mechanical and/or electrical device or system referred to above.


On Tue, Oct 9, 2018 at 1:58 PM Bill Rouse <brouse@...> wrote:
For what it is worth:
There are many causes of a short or ground-fault causing this symptom. The ones I know about are in order of probability, followed by a possible solution:
  1. There is a wire inside the control box grounding to the case. This is possible because you have been inside the control box - Check very carefully
  2. There are two more capacitors that you did not change...they are the compressor start and run capacitors - Change them
  3. Corrosion on the Main Control PCB - clean and use CorrosionX
  4. Corrosion on the PCB on the ON/OFF thermostat module  - test by removing small green/yellow wire (EARTH) on the metal frame of the thermostat module, taking appropriate safety precautions...if you don't know how to safely do this, don't do it. If the AC stops tripping, there is a short in the  thermostat module and it is probably caused by corrosion - clean and use corrosionX
  5. Short in the Blower Unit - replace the blower about $375 
  6. Sort in the Compressor unit - Buy a new AC.
If I had completed 1-4 above, without success, I would buy the Blower Unit. Even if it changing the blower with a new one didn't solve your problem, you will have 2 more chances of using it.ūüėÄ

Best,

CW Bill Rouse
Admiral, Texas Navy
Commander Emeritus

Amel School  http://www.amelschool.com
720 Winnie St
Galveston Island, TX 77550

+1(832) 380-4970

Any opinions and conclusions expressed in this message are solely those of the author and should not be construed as representing the opinion of an expert. Manufacturers' and Expert's precautions must be considered when dealing with mechanical and/or electrical systems to ensure that you are NOT harmed, and/or the device and/or system is NOT ruined. If in doubt, do not touch any mechanical and/or electrical device or system referred to above.


On Tue, Oct 9, 2018 at 1:26 PM sailor63109@... [amelyachtowners] <amelyachtowners@...> wrote:
 

Thanks Mark.


Duane


Re: [Amel Yacht Owners] Re: Climma AC - Breaker Tripping - New unit recommendations?

 

Yes, that will sometime happen with the capacitor in the AC raw water pump. But, in my experience it happens with any/all AC units and normally fails and never comes back to life.

Best,

CW Bill Rouse
Admiral, Texas Navy
Commander Emeritus

Amel School  http://www.amelschool.com
720 Winnie St
Galveston Island, TX 77550

+1(832) 380-4970

Any opinions and conclusions expressed in this message are solely those of the author and should not be construed as representing the opinion of an expert. Manufacturers' and Expert's precautions must be considered when dealing with mechanical and/or electrical systems to ensure that you are NOT harmed, and/or the device and/or system is NOT ruined. If in doubt, do not touch any mechanical and/or electrical device or system referred to above.


On Tue, Oct 9, 2018 at 2:07 PM thomas.kleman <no_reply@...> wrote:
 

I'd also check the capacitor in the A/C pump (10 Mf). I've actually had the same symptoms and even 2 units working while 1 trips the breaker.......with the cause being a slowly dying capacitor in the the A/C pump.


Re: Shock from windlass

william reynolds
 

Bad ground is usually the case. Redo ALL grounds to windless motor, switches and breakers.
Bill Reynolds
S/ Baidarka


Re: [Amel Yacht Owners] Climma AC - Breaker Tripping - New unit recommendations?

Ian Townsend
 

We bought the Webastos through Defender. Best price around, even with delivery. 

Ian & Margaret
S/V Loca Lola II 
SM153
Fort Lauderdale, Florida, USA

On Oct 9, 2018, at 1:48 PM, 'Mark Erdos' mcerdos@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Duane,

 

I would suggest you contact Ian and Margaret on Loca Lola II, they just did a ton of research on AC to outfit their boat. Ian is the new expert.

 

As and added two cents, I would shop stores other than Coastal Climate Control for your AC needs. I have had multiple issues with them after the sale.

 

 

 

 

With best regards,

 

Mark

 

Skipper

Sailing Vessel - Cream Puff - SM2K - #275

Currently cruising - Aruba

www.creampuff.us

 

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Tuesday, October 9, 2018 1:20 PM
To: amelyachtowners@...
Subject: [Amel Yacht Owners] Climma AC - Breaker Tripping - New unit recommendations?

 

 

I had a problem earlier this year with the heater not working, so I replaced the three smaller capacitors and it began working again.

 

Then when it got to the summer, the AC stopped working - the compressor would not start.  I rechecked the capacitors, and all were within spec.  I decided to have a tech work on it and when we turned on the power to the unit it immediately tripped the boat breaker - this was new - before the unit just wouldn't start.  The other two units run fine, so I don't think it's the dock power.

 

The technician checked for a short to the compressor case, which he said was the leading cause of tripping the breaker, but there was no short.  He recommended a new unit as more cost effective than repair.  As he was leaving he recommended I check the power coming to the unit to be sure the short wasn't in the power supply.

 

I checked the breaker and have continuity when on and none when off.  I took the wires off the AC and the breaker and the wires have continuity, so no broken wires.  I put the wires back on the breaker and checked continuity at the AC unit with the breaker on (and power off) and that's fine.  With the power wires disconnected from the unit and the breaker and power ON nothing trips the breaker.



In an earlier thread, several people recommended the thermostat as the problem, the tech opined that if it were the problem, it would not trip the breaker.

 

Any other ideas for troubleshooting?  I've read that the relays sometimes fail, are they the clear plastic enclosed things in the box with the capacitors?

 

Coastal Climate Control quotes a replacement Climma 9EH at $3,228.  They also sell "Marinaire" brand, a 9,000BTU unit is quoted at $1,399 but it's a 60HZ unit.  What other brands have you replaced this with?

 

Thanks,

Duane

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