Hi all. Newbie here. Been living in my 31’ Classic last couple of years. Recently had to replace my 13,500 Duotherm Penguin with a new 15,000 Penguin AC. I think there is a problem with the unit and dealer is telling me it’s ok. Here’s the problems, hopefully someone can help. Unit cycles repeatedly. Come on for a minute or so shuts off comes back on and this repeats several times before it stays on. Seems like compressor isn’t kicking in on the recycling until at some point it does and then the unit stays on and cools. Sometimes the off cycle is just a few seconds and other times it 30 seconds or more. Also have had it continue to cool trailer down to 69-70 degrees when thermostat is set to 78. Unit just seems to want to run and not shut off. This is driving me crazy so any help would be GREATLY appreciated. Thanks in advance. Keith

Have a heart to heart with the dealer. Then try manufacturer. Then, if no success, it’s small claims court time. Get an expert testify that it’s not working correctly. You aren’t enough.

Is the original or old thermostat really compatible with the new air conditioner? Also, most newer air conditioners run in such a way that once they shut off, there is a delay before the cooling compressor will turn on again. Depending on the air conditioner, it could be as long as a 2 minute wait. But, during that wait time, the fan usually does not turn on either. It sounds to me like there is a miss reading coming from the wall thermostat. If it were mine, I'd start troubleshooting there. The air conditioner gets its command signals to turn on, turn off, run on fan, reach it's temperature and turn off, all from the thermostat. The air conditioner, if it were just plugged in and wired with no thermostat, it would just run and run and run. It's the thermostat that controls on-off commands.

My first suspect would be the thermostat.

I thought the same thing about the thermostat, but I'm not a HVAC person. I would also wonder if the A/C vent is blowing on the thermostat causing erratic behavior.

colliehauler wrote:I thought the same thing about the thermostat, but I'm not a HVAC person. I would also wonder if the A/C vent is blowing on the thermostat causing erratic behavior.Nor if it has a period of staying on.:)

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cavie
Explorer
Oct 30, 2019
colliehauler wrote:
I thought the same thing about the thermostat, but I'm not a HVAC person. I would also wonder if the A/C vent is blowing on the thermostat causing erratic behavior.

Nor if it has a period of staying on.:)
colliehauler
Explorer III
Oct 30, 2019
I thought the same thing about the thermostat, but I'm not a HVAC person. I would also wonder if the A/C vent is blowing on the thermostat causing erratic behavior.
prichardson
Explorer
Oct 30, 2019
My first suspect would be the thermostat.
DutchmenSport
Explorer
Oct 30, 2019
Is the original or old thermostat really compatible with the new air conditioner?

Also, most newer air conditioners run in such a way that once they shut off, there is a delay before the cooling compressor will turn on again. Depending on the air conditioner, it could be as long as a 2 minute wait. But, during that wait time, the fan usually does not turn on either.

It sounds to me like there is a miss reading coming from the wall thermostat. If it were mine, I'd start troubleshooting there. The air conditioner gets its command signals to turn on, turn off, run on fan, reach it's temperature and turn off, all from the thermostat. The air conditioner, if it were just plugged in and wired with no thermostat, it would just run and run and run. It's the thermostat that controls on-off commands.
Lwiddis
Explorer II
Oct 30, 2019
Have a heart to heart with the dealer. Then try manufacturer. Then, if no success, it’s small claims court time. Get an expert testify that it’s not working correctly. You aren’t enough.

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