Air conditioning problem
We have a 2012 Winnebago aspect,,model 30j. The Coleman 13.5 roof air unit does a terrible job when it approaches 90-100 degrees outside. We are lucky to have 85 degrees inside. I had the unit teste...
Forum Discussion
Willie, Not previously mentioned:
It is important to have all ducts opened fully to have unrestricted air flow off the unit to all areas of the RV. If the unit has the "Chill-Grill" option you want it CLOSED so the cold air gets to all areas.
Fan set to AUTO not ON.
The Mach 8's thermostat should have a two speed fan. Set to LOW. You want the circulation fan on LOW so the air spends a "wee bit" more time over the expansion coil so it has more time to cool.
Set your thermostat at 70-75ish. Setting lower does not make more cold..... Ultimately, in high ambient humidity you want the compressor cycling ON & OFF. If it runs constantly there is a risk of the expansion coil freezing to a block of ice and all you get is clammy, tepid air.
If you suspect a frozen unit, (cool, clammy, reduced air flow) just ease the thermostat up until the compressor turns off. You MAY turn fan to ON to melt ice block but it will put the humidity back in the RV. Left alone, it will clear pretty quickly and just drain off the roof.
I hope this helps...
It is important to have all ducts opened fully to have unrestricted air flow off the unit to all areas of the RV. If the unit has the "Chill-Grill" option you want it CLOSED so the cold air gets to all areas.
Fan set to AUTO not ON.
The Mach 8's thermostat should have a two speed fan. Set to LOW. You want the circulation fan on LOW so the air spends a "wee bit" more time over the expansion coil so it has more time to cool.
Set your thermostat at 70-75ish. Setting lower does not make more cold..... Ultimately, in high ambient humidity you want the compressor cycling ON & OFF. If it runs constantly there is a risk of the expansion coil freezing to a block of ice and all you get is clammy, tepid air.
If you suspect a frozen unit, (cool, clammy, reduced air flow) just ease the thermostat up until the compressor turns off. You MAY turn fan to ON to melt ice block but it will put the humidity back in the RV. Left alone, it will clear pretty quickly and just drain off the roof.
I hope this helps...
