Unit start-up checklist – Greenheck Fan Energy Recovery Ventilator with Heat Pump 473501 User Manual
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Model ERCH-HP Energy Recovery Unit
Line Voltage. Check at unit disconnect.
L1-L2
Volts
L2-L3
Volts
L1-L3
Volts
Motor Amp Draw
Supply Motor Amps
L1
Amps
L2
Amps
L3
Amps
Exhaust Motor Amps
L1
Amps
L2
Amps
L3
Amps
Fan RPM
Supply Fan RPM
Exhaust Fan RPM
Correct fan rotation direction?
Supply Fan
Yes / No
Exhaust Fan
Yes / No
Energy Wheel Motor
L1
Amps
L2
Amps
L3
Amps
Compressors
Compressor 1
L1
Amps
L2
Amps
L3
Amps
Crankcase Heater
Amps
Compressor 2
L1
Amps
L2
Amps
L3
Amps
Crankcase Heater
Amps
Condensing Fans
Condensing Fan 1
L1
Amps
L2
Amps
L3
Amps
Condensing Fan 2
L1
Amps
L2
Amps
L3
Amps
Condensing Fan 3
L1
Amps
L2
Amps
L3
Amps
Outdoor Air Temperature
Deg F
Return Air Temperature
Deg F
Outdoor Air Relative Humidity
% RH
Return Air Relative Humidity
% RH
Superheat
Deg F
Should be between 8º and 12ºF
Subcooling
Deg F
Should be between 12º and 17ºF
Discharge Pressure
PSIG
Should be between 200 and 280 PSIG for R22 or 300 and 500 PSIG for R410a
Suction Line Pressure
PSIG
Should be between 60 and 80 PSIG for R22 or 100 and 135 PSIG for R410a
Liquid Line Temp
Deg F
Suction Line Temp
Deg F
Moisture Indicating Sight Glass
Liquid Visible? Yes / No
Color of Center Dot: Green / Yellow
Hot Gas Bypass Operational
Yes / No
Unit Start-Up Checklist