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Marine-AC Topics
A/C System Controls
Cruisaire Pump Relay

Cruisaire Pump Relay
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Russtrit

posts 2

12:05 pm August 29, 2011
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This week my AC's were kicking off.  Found pump not running.  Tested motor and it not running.  Replaced with spare pump.  Turned on rotary switch and checked for water circulation – none.  Hard wired pump and it came on and Units working.  I have a Cruisaire PR3X-3 Pump Relay Station.  Do I replace the board, or just the Triacs?  How do I find which one, or one's to change?
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Steve Pooler

posts 1127

1:05 pm August 29, 2011
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Hi Russ~

First question…Did you check the fuse in the pump relay ?

Here's a troubleshooting PDF for Cruisair pump relays: http://dometic.com/FileOrganiz…..Relays.pdf

 

Let know how it works out…

 

Steve~ 
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Russtrit

posts 2

3:48 pm August 29, 2011
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Where is the fuse?
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Steve Pooler

posts 1127

6:05 pm August 29, 2011
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Earlier models had the fuse…Some were inside the box and were an automotive type in-line with a rubber fuse holder that had a cap that was removed to access the fuse…

Newer models do not have a fuse and must be protected by a fuse or breaker in the main panel…and you could have both the fuse inside the PR3X, plus the breaker in the panel…

I see newer models like in the Training PDF I linked do not have a fuse… 

 

Steve~
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