A/C S
YSTEM
M
AINTENANCE
It is recommended that you check your A/C system REGULARLY. The initial fill is 1.85 lbs of R-134A
Refrigerant, then the amount is adjusted based upon the Ambient Temperatures. If your APU has lost
refrigerant, it has also lost oil. Only use a maximum of 6oz. of pag-46 oil when servicing this unit. Evaporator
and condenser coils must be inspected and cleaned regularly.
Recommended operating pressures
(Note: Readings will be affected by ambient temperatures)
A/C Mode:
Low side* = 12-15psi
High side* = Ambient Temperature multiplied by 2 and then add 50
**Doors and windows need to be closed and readings should be taken 20 minutes after the start of the APU
to get accurate readings.
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Summary of Contents for HP2000 XTREME Series
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