Reference – Greenheck Fan Make-Up Air Unit VSU User Manual
Page 21
21
Model VSU Make-Up Air
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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