Dedicated Outdoor Air Unit26
Compressor 1 Compressor 2
Compressors
L1 Amps Amps
L2 Amps Amps
L3 Amps Amps
Crankcase Heater NA Amps
Cooling
Superheat
Should be between 10º and 20ºF (0% reheat) or
should be between 10º and 30ºF (100% reheat)
Deg. F Deg. F
Subcooling
Should be between 10º and 15ºF (0% reheat) or
should be between 2º and 10ºF (100% reheat)
Deg. F Deg. F
Discharge Pressure
Should be between 250 and 500 PSIG
PSIG PSIG
Suction Line Pressure
Should be between 96 and 155 PSIG
PSIG PSIG
Liquid Line Temp Deg. F Deg. F
Suction Line Temp Deg. F Deg. F
Moisture Indicating Sight Glass
Liquid Visible Yes / No Yes / No
Color of Center Dot Purple / Pink Purple / Pink
Heating
Superheat
Should be between 10º and 20ºF
Deg. F Deg. F
Subcooling
Should be between 10º and 20ºF
Deg. F Deg. F
Discharge Pressure
Should be between 250 and 500 PSIG
PSIG PSIG
Suction Line Pressure
Should be between 96 and 155 PSIG
PSIG PSIG
Liquid Line Temp Deg. F Deg. F
Suction Line Temp Deg. F Deg. F
Moisture Indicating Sight Glass
Liquid Visible Yes / No Yes / No
Color of Center Dot Purple / Pink Purple / Pink
Note: Unit may not run at 100% heating mode in ambient temperatures over 70°F (21°C). Modulate compressor as necessary to
keep unit running.
Start-Up Checklist - Air-Source Heat Pump (ASHP)