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Marine Air Sys VRP16K
- Cork the Whine
- Scurvy Dog
- Posts: 22
- Joined: May 18th, 2020, 3:23 pm
- Vessel Info: 1997, 355AC
- Location: Sturgeon Bay
- Has thanked: 20 times
- Been thanked: 6 times
Re: Marine Air Sys VRP16K
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- CYO Supporter
- Posts: 2291
- Joined: March 28th, 2016, 10:52 pm
- Vessel Info: 1998 Carver 355
Suspicious Fishes !
2022 Kawasaki 310X - Location: upper chesapeake bay
- Has thanked: 314 times
- Been thanked: 583 times
Re: Marine Air Sys VRP16K
Make sure its set for auto fan and cooling mode. Drop the set point a few degrees below room temp and see if it fires up.
if not, I would swap controllers before you dig too deep into the compressor, as the water pump should run even if the compressor is failed or locked out.
- Cork the Whine
- Scurvy Dog
- Posts: 22
- Joined: May 18th, 2020, 3:23 pm
- Vessel Info: 1997, 355AC
- Location: Sturgeon Bay
- Has thanked: 20 times
- Been thanked: 6 times
Re: Marine Air Sys VRP16K
After turing the power off to the unit at the circuit breaker and turning off the water pump circuit breaker. I checked the resistance of the klixon (checked ok, normally closed open), the high pressure switch (checked ok,normally closed to open). I then shorted the run capacitor and tested the capicator (checekd ok 25mfd). I then isolated the compressor motor and performed resistenace checks of the motors windigs (checked ok- there was some resistance). I called Marine Air Systems (Domectic) and requested the motors resistance data, they couldn't or wouldnt supply that data..... know a bit a electric motors some resistance is a good thing.
I connected everthing back up, took a look a the wiring diagram and determined that if I piggy backed Comp L1 to L1, and Comp L2 to L2, I could force the compressor to run and determine if the motor was good. I did the piggyback and briefly turned the unit CB on and I heard that beautiful humm and when I turned if off I heard the motor rotor wind down. OK so the compressor is good. (THIS WAS GREAT NEWS!)
With everything deenergized again, I lifted the units control board.... found the issue. Therewas a 5VDC, 30Amp single pole relay soldered on the board that allows the pump and compressor to run when energized, the relay gave up the ghost, there was a burnt pin and when I unsoldered relay and cut it open the contacts in the realy were shot (one too many cycles).
Found the board number, googled it and I found an updated replacement board on line. I ordered it from Wright Marine in the Tampa Area. Wayne is the BEST, great serviceand responsive, parts turn around was exceptional, I cant give this company enough KUDOS. Just fantastic. The retrofit kit for my AC unit is a Marine Air Passpot II to Passport I/O. The kit includes a new control board and a new unit controller, super, super easy to install.
Close the books on this one. Thanks for all the help!! Truly apprecaite it.
It's 85 outside and my salon is now a cool 72 after replacing the board. I truly apprecaite all hte suggestions, close the books on this one.
- g36
- Admiral
- Posts: 1944
- Joined: April 7th, 2014, 6:07 pm
- Vessel Info: 1997 Carver 405
- Location: Soddy Daisy TN.
- Has thanked: 7 times
- Been thanked: 587 times
Re: Marine Air Sys VRP16K
Crusader xli
The Black Pearl
Soddy Daisy Tn.
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- CYO Supporter
- Posts: 5810
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 432 times
- Been thanked: 1588 times
Re: Marine Air Sys VRP16K
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