Sunday, 10 January 2021

New Raypak 5450 heat pump...worked for a day, now high pressure trip/lockout

Hello,

A few days ago, I installed a new Raypak 5450ti heat pump (103k BTU). I plumbed it with 2" pipe from the filter housing to the heat pump inlet, as well as from the heat pump outlet to the salt water chlorine generator cell. I have 2" ball valves going to/from the heat pump, with a 2" bypass, also with a ball valve so I can bypass the heater when not required and drain it as needed.

The day I installed it, the pool temp was about 72F, ambient was in the low 80s. The unit ran like...

New Raypak 5450 heat pump...worked for a day, now high pressure trip/lockout


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