Greenheck ERCH (476054) - Manual (Page 31)

General Description - NOT model specific Model ERCH Energy Recovery Ventilator
®
31
Condensing Fan 1 Condensing Fan 2 Condensing Fan 3
L1 ____________ Amps L1 ____________ Amps L1 ____________ Amps
L2 ____________ Amps L2 ____________ Amps L2 ____________ Amps
L3 ____________ Amps L3 ____________ Amps L3 ____________ Amps
Compressor 1
Hot gas reheat valve
closed
Compressor 1
Hot gas reheat valve
open
Compressor 2
L1 ____________ Amps L1 ____________ Amps L1 ____________ Amps
L2 ____________ Amps L2 ____________ Amps L2 ____________ Amps
L3 ____________ Amps L3 ____________ Amps L3 ____________ Amps
Crankcase
heater _________ Amps Crankcase
heater _________ Amps Crankcase
heater _________ Amps
Cooling HP Heating Cooling Cooling HP Heating
A. Discharge Pressure
B. Discharge Pressure Converted to
Temperature
C. Liquid Line Temperature
D. Subcooling (B-C)
Should be between 12º and 17ºF
E. Suction Line Pressure
F. Suction Line Temperature
G. Suction Pressure Converted to
Temperature
H. Superheat (F-G)
Should be between 8º and 12ºF
Water In
Water Out
Hot Gas Bypass Operational
(Not present on digital scroll compressors)
Yes / No Yes / No Yes / No Yes / No Yes / No
Suction Pressure Set Point
Compressor Sight Glass
Oil Level
Oil Foaming Yes / No Yes / No Yes / No Yes / No Yes / No
Cooling System
Outdoor Air Temperature Deg F Outdoor Air Relative Humidity % RH
Return Air Temperature Deg F Return Air Relative Humidity % RH
Heating System / Electric Heat
Pre-Heater L1-L2 Volts L2-L3 Volts L1-L3 Volts
L1 Amps L2 Amps L3 Amps
Temp. Rise
Post-Heater L1-L2 Volts L2-L3 Volts L1-L3 Volts
L1 Amps L2 Amps L3 Amps
Temp. Rise