Start-Up Checklist - Air-Source Heat Pump (Ashp) - valent VX Series Installation, Operation And Maintenance Manual

Start-Up Checklist - Air-Source Heat Pump (ASHP)

Compressors
L1
L2
L3
Crankcase Heater
Cooling
Superheat
Should be between 10º and 20ºF (0% reheat) or
should be between 10º and 30ºF (100% reheat)
Subcooling
Should be between 10º and 15ºF (0% reheat) or
should be between 2º and 10ºF (100% reheat)
Discharge Pressure
Should be between 250 and 500 PSIG
Suction Line Pressure
Should be between 96 and 155 PSIG
Liquid Line Temp
Suction Line Temp
Moisture Indicating Sight Glass
Liquid Visible
Color of Center Dot
Heating
Superheat
Should be between 10º and 20ºF
Subcooling
Should be between 10º and 20ºF
Discharge Pressure
Should be between 250 and 500 PSIG
Suction Line Pressure
Should be between 96 and 155 PSIG
Liquid Line Temp
Suction Line Temp
Moisture Indicating Sight Glass
Liquid Visible
Color of Center Dot
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.
26 Dedicated Outdoor Air Unit
Compressor 1
Amps
Amps
Amps
NA
Deg. F
Deg. F
PSIG
PSIG
Deg. F
Deg. F
Yes / No
Purple / Pink
Deg. F
Deg. F
PSIG
PSIG
Deg. F
Deg. F
Yes / No
Purple / Pink
Compressor 2
Amps
Amps
Amps
Amps
Deg. F
Deg. F
PSIG
PSIG
Deg. F
Deg. F
Yes / No
Purple / Pink
Deg. F
Deg. F
PSIG
PSIG
Deg. F
Deg. F
Yes / No
Purple / Pink