Greenheck Fan VSU Air Conditioner User Manual


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21
Model VSU Make-Up Air
®®®®®
Start-Up Checklist
Unit Model Number _______________________________
(e.g. VSU-220-H40-UB)
Unit Serial Number _______________________________
(e.g. 04c99999 or 10111000)
Start-Up Date _______________________________
Start-Up Personnel Name __________________________
Start-Up Company _______________________________
Phone Number _______________________________
Pre Start-Up Checklist – check boxes as items
are completed.
oCheck tightness of all factory wiring connections
oVerify control wiring wire gauge
oHand-rotate blower to verify free rotation
oVerify supply voltage to the main disconnect
oVerify the supply gas pressure
oVerify remote controls wiring
Start-Up Blower Checklist – refer to Blower
Start-Up section for further detail.
oCheck line voltage L1-L2 __________
L2-L3 __________
L1-L3 __________
oCheck blower rotation
oCheck for vibration
oSupply fan RPM _________ RPM
oMotor nameplate amps _________ Amps
oActual motor amps _________ Amps
oActual CFM delivered _________ CFM
Optional Accessories – refer to Blower Start-Up
section, Step #6 for further detail.
oHeating Inlet Air Sensor
________ Actual Setting
Typical setting 60º-70ºF
Start-Up Direct Gas – refer to Direct Gas Start-
Up section for further detail.
oCheck supply gas pressure
________ Maximum
________ Minimum
________ Actual
oCheck Pilot Gas Pressure
________ Actual Setting
Typical 3.0 inch wc
oSet optional High Gas Pressure Switch
________ Actual Setting
Typical 8.0 inch wc
oSet optional Low Gas Pressure Switch
________ Actual Setting
Typical 3.0 inch wc
oSet Burner Pressure Differential
________ Actual Setting
Typical 0.65 inch wc
oSet the maximum firing rate
________ temp rise
oSet the minimum firing rate
________ check
oSet the unit’s operating temperature
________ ºF
Reference
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