16
Packaged Rooftop Ventilator
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 Correct fan rotation direction?
Supply Fan RPM Supply Fan Yes / No
Exhaust Fan RPM Exhaust Fan Yes / No
Energy Wheel Motor
L1 Amps L2 Amps L3 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
Compressors
Outdoor Air Temperature Deg F Outdoor Air Relative Humidity % RH
Return Air Temperature Deg F Return Air Relative Humidity % RH
Start-Up Checklist
Compressor 1:
________ L1 amps
________ L2 amps
________ L3 amps
________ Crankcase Heater
Superheat ________ Deg. F.
Should be between 8º and 12ºF.
Subcooling ________ Deg. F.
Should be between 12º and 17ºF.
Discharge Pressure __________ PSIG
Should be between 300 and 500 PSIG
Suction Line Pressure __________ PSIG
Should be between 100 and 135 PSIG
Liquid Line Temperature ________ Deg. F.
Suction Line Temperature ________ Deg. F.
Moisture Indicating Sight Glass
Liquid Visible Yes / No
Color of Center Dot Green / Yellow
Hot Gas Bypass Operational Yes / No
Compressor 2:
________ L1 amps
________ L2 amps
________ L3 amps
________ Crankcase Heater
Superheat ________ Deg. F.
Should be between 8º and 12ºF.
Subcooling ________ Deg. F.
Should be between 12º and 17ºF.
Discharge Pressure __________ PSIG
Should be between 300 and 500 PSIG
Suction Line Pressure __________ PSIG
Should be between 100 and 135 PSIG
Liquid Line Temperature ________ Deg. F.
Suction Line Temperature ________ Deg. F.
Moisture Indicating Sight Glass
Liquid Visible Yes / No
Color of Center Dot Green / Yellow
Hot Gas Bypass Operational Yes / No
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