Greenheck Fan 470654 Gas Heater User Manual


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13
Model VSU Make-Up Air
®
Unit Model Number _______________________________
(e.g. VSU-H20)
Unit Serial Number _______________________________
(e.g. 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
oCheck V-belt drive for proper alignment and
tension
Start-Up Blower Checklist – refer to Start-Up -
Blower 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 Start-Up - Blower,
Set-Up Optional Components, pg. 15 for further detail.
oHeating Inlet Air Sensor
________ Actual Setting
Typical setting 60º-70ºF
oCooling Inlet Air Sensor
________ Actual Setting
Typical setting 75ºF
oBuilding Freeze Protection
________ Actual Setting
Typical setting 5 minutes; 45ºF
oDirty Filter Gauge
________ Actual Setting
Typical setting varies
Start-Up Direct Gas (Pilot Ignition) – refer to
Start-Up - Direct Gas section for further detail.
oCheck supply gas pressure
________ Maximum
________ Minimum
________ Actual
oCheck Pilot Gas Pressure
________ Actual Setting
Typical 3.0 in. wg
oSet optional High Gas Pressure Switch
________ Actual Setting
Typical 8.0 in. wg
oSet optional Low Gas Pressure Switch
________ Actual Setting
Typical 3.0 in. wg
oSet Burner Pressure Differential
________ Actual Setting
Typical 0.65 in. wg
oSet the maximum firing rate
________ temp rise
oSet the minimum firing rate
________ check
oSet the unit’s operating temperature
________ ºF
Start-Up Direct Gas (Direct Spark) – refer to
Start-Up - Direct Gas section for further detail.
oCheck supply gas pressure
________ Maximum
________ Minimum
________ Actual
oSet optional High Gas Pressure Switch
________ Actual Setting
Typical 8.0 in. wg.
oSet optional Low Gas Pressure Switch
________ Actual Setting
Typical 3.0 in. wg.
oSet Burner Pressure Differential
________ Actual Setting
Typical 0.65 in. wg
oSet the maximum firing rate
________ temp rise
oSet the minimum firing rate
________ check
oSet the unit’s operating temperature
________ ºF
Start-Up - Checklist
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