Mischief Managed
Guru
- Joined
- Oct 24, 2018
- Messages
- 713
- Location
- USA
- Vessel Name
- Mischief Managed II
- Vessel Make
- 1992 Tollycraft 44 CPMY
I get an occasional low pressure Freon alarm on one of my reverse cycle AC units that shuts the system down. It blows ice cold air in AC mode and makes plenty of heat in heat mode. If I wait awhile, the alarm will clear and the unit will start working again autonomously. I can usually just power cycle it and get it to work again within minutes of the alarm if I don't feel like waiting.
I had the freon level (pressure) checked and it was perfect. I have a rudimentary understanding of how these systems work, but not enough to truly troubleshoot. I don't want to start throwing parts at it until I understand it better.
The other two AC units in the boat share the same raw water pump and the manifold is wide open to all three. Could my problem just be inadequate water flow through the affected AC unit? Cleaning the raw water strainer does not seem to make a difference, but maybe the flow through the affected unit is marginal in the best of circumstances... I was thinking about adding flow control valves to the raw water lines in the other two units to see if it helps.
Any thoughts would be appreciated.
I had the freon level (pressure) checked and it was perfect. I have a rudimentary understanding of how these systems work, but not enough to truly troubleshoot. I don't want to start throwing parts at it until I understand it better.
The other two AC units in the boat share the same raw water pump and the manifold is wide open to all three. Could my problem just be inadequate water flow through the affected AC unit? Cleaning the raw water strainer does not seem to make a difference, but maybe the flow through the affected unit is marginal in the best of circumstances... I was thinking about adding flow control valves to the raw water lines in the other two units to see if it helps.
Any thoughts would be appreciated.