Re: [Amel Yacht Owners] Aft Cabin Air Conditioning Tripping 220 Volt Panel Fuse & marina


Bill & Judy Rouse <yahoogroups@...>
 

My suggestion is to buy a multi-tester that will check capacitors.

Inside the Climma Compact Control Box are 5 capacitors. Three of these are Fan Speed Capacitors...they are the smallest of the 5 and are normally strapped together. You will see these three first, before digging deeper to find the next two. If it is a capacitor, it is likely the next two.

If you cannot get a tester, replace these two. Here is a previous post from Gary Silver

From Gary Silver #335
Each Climma Air Conditioner of the vintage of my boat (SM Hull # 335) has five capacitors as follows: 
1 each: 40 microFarads 420 volts to 470 volts (Biggest physical size) 
1 each: 10 microFarads 420 volts to 470 volts (Medium size) 
2 each: 2 microFarads 450 volts, 50 Hertz (small size) 
1 each: 3.15 microFarads 450 volt, 50 Hertz (small size) 

The capacitors that failed on my boat (and which I believe are the run capacitors for the compressor motors) were the 10 microFarad capacitors. The original ones were cylindrical and measured 3 inches long by 1 and 3/8 inches in diameter and were in a plastic casing. They had 5/8 inch long spade connectors. The replacement ones I found were ovoid, in a metal casing, were larger physically and rated at 600 volts. None of those have failed but were large enough that they would not fit inside the control box that contained all the other electronic components. I attached them to the outside of the box and insulated the connectors so nobody would take a large shock if they shorted across the terminals. The only capacitors that have failed were the 10 mfd capacitors. I bought spares of each, but have only had to use the 10 microFarad capacitors.

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 Tue, Jun 27, 2017 at 8:59 AM, Alexandre Uster von Baar uster@... [amelyachtowners] <amelyachtowners@...> wrote:
 


Good morning Bill,

As always thanks for your help.

Haven’t start to look at the air conditioning (finishing work for a client).

I am able to run the salon air conditioning without problem (haven’t tried the forward cabin) so to me, the calpeda pump is fine.
The breaker only trips when I use the aft cabin air conditioning.
So something in that units is causing the issue (I assume a short, ground fault).

In 30 min, I should be able to test the capacitors, I just don’t know how to “discharge” them… any suggestion?

Thanks again, sincerely, Alexandre

--------------------------------------------
On Tue, 6/27/17, 'Bill & Judy Rouse' yahoogroups@... [amelyachtowners] <amelyachtowners@yahoogroups.com> wrote:

Subject: Re: [Amel Yacht Owners] Aft Cabin Air Conditioning Tripping 220 Volt Panel Fuse & marina
To: "amelyachtowners@yahoogroups.com" <amelyachtowners@yahoogroups.com>
Date: Tuesday, June 27, 2017, 8:00 AM


 









Alex,
I think I understand that as soon as
you turn on the A/C, the main 30amp Ground Fault Interrupt
(GFI) breaker trips (on the side of the 220V breaker panel).
Your shore power also has a GFI breaker.
If this is true, that particular
symptom probably has nothing to do with the the compressor,
or any part on the Climma Compact 9 unit for the aft
cabin. 
Here is
why: When you turn ON any of
your AC units, the only powered device inside the Compact 9
is the countdown timer. It will be the only thing powered
until the countdown expires which is probably 10-20
seconds.
When you turn ON any of
your AC units the pump relay box and the pump should be
immediately
powered.Therefore:If
the 30 amp Ground Fault Breaker trips during the timer
countdown, your symptom is most likely caused by a ground
fault, and the most likely place for a ground fault is at
the Calpeda BCM20E pump, or less likely the pump relay
box. 
This is
what I would investigate:Is the
mechanical seal leaking and running inside the motor? (most
likely)
Is the capacitor good? If
you don't know replace it.Did the pump motor
get wet?I hope this
helps.
Best,
CW Bill RouseAdmiral,
Texas NavyCommander EmeritusAmel
School www.amelschool.com720
Winnie StGalveston Island, TX
77550+1(832) 380-4970








On Tue, Jun 27, 2017 at
6:55 AM, Alexandre Uster von Baar uster@...
[amelyachtowners] <amelyachtowners@yahoogroups.com>
wrote:















 









Good morning John, Mark, Eric and Francisco and
thank you for your replies,



Based on what you wrote, I suspect a short and a dead
compressor…



Going to test the Capacitors, but how to “discharge
them” prior to testing?



Eric, I did not really understand the: “if the AC switch
is off at the thermostat does it still trip the
breaker?”



Thanks in advance, sincerely, Alexandre



------------------------------ --------------

On Mon, 6/26/17, kimberlite@...
[amelyachtowners] com> wrote:



Subject: Re: [Amel Yacht Owners] Aft Cabin Air Conditioning
Tripping 220 Volt Panel Fuse & marina

To: amelyachtowners@yahoogroups.
com

Date: Monday, June 26, 2017, 9:24 PM





 



















Alexandre.

if the AC switch is off at the thermostat does it still

trip the breaker?

The breaker on the AC panel side is a quick blow

circuit breaker, If there is a short it will

trip before the diruptor. If the AC is on at the

thermostat and the circuit still trips the breaker,

Check the continuity of the compressor to ground. If

there is a short to ground the compressor is dead.

Fair Winds,

Eric

sm 376



----- Original

Message -----

From: "Alexandre

Uster von

Baar uster@... [
amelyachtowners]"

Date: Monday, June 26, 2017 5:19 pm

Subject: [Amel Yacht Owners] Aft Cabin Air

Conditioning Tripping 220 Volt Panel Fuse & marina

To: amelyachtowners@yahoogroups.
com



> Good afternoon,

>

> Today, I hear the

fuse of the 220 Volt Panel tripping (the one

> behind the panel).

> I

found out the fuse of the marina also trip.

>

> After running tests,

the cause is the Aft Cabin Air Conditioning

> (which I have been using non stop for 9

days).

>

> Running

the salon does not trip anything.

>

> What could be the cause?

> How to diagnostic and solve the issue?

>

> Did I use too much

the air conditioning?

> How come the

Diruptor did not trip, but the 220 Volt Panel did?

> How come I trip the marina fuse?

>

> Thanks in advance.



>

> Sincerely,

Alexandre

> SM2K #289 NIKIMAT

> Port de Gustavia, Saint Barthélémy,

FWI

>







































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