Greenheck Fan VSU Make-Up Air Unit with Direct-Fired Gas Heater 470654 - Manual (Page 13)

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.
†Check tightness of all factory wiring connections
†Verify control wiring wire gauge
†Hand-rotate blower to verify free rotation
†Verify supply voltage to the main disconnect
†Verify the supply gas pressure
†Verify remote controls wiring
†Check V-belt drive for proper alignment and
tension
Start-Up Blower Checklist – refer to Start-Up -
Blower section for further detail.
†Check line voltage L1-L2 __________
L2-L3 __________
L1-L3 __________
†Check blower rotation
†Check for vibration
†Supply fan RPM _________ RPM
†Motor nameplate amps _________ Amps
†Actual motor amps _________ Amps
†Actual CFM delivered _________ CFM
Optional Accessories – refer to Start-Up - Blower,
Set-Up Optional Components, pg. 15 for further detail.
†Heating Inlet Air Sensor
________ Actual Setting
Typical setting 60º-70ºF
†Cooling Inlet Air Sensor
________ Actual Setting
Typical setting 75ºF
†Building Freeze Protection
________ Actual Setting
Typical setting 5 minutes; 45ºF
†Dirty Filter Gauge
________ Actual Setting
Typical setting varies
Start-Up Direct Gas (Pilot Ignition) – refer to
Start-Up - Direct Gas section for further detail.
†Check supply gas pressure
________ Maximum
________ Minimum
________ Actual
†Check Pilot Gas Pressure
________ Actual Setting
Typical 3.0 in. wg
†Set optional High Gas Pressure Switch
________ Actual Setting
Typical 8.0 in. wg
†Set optional Low Gas Pressure Switch
________ Actual Setting
Typical 3.0 in. wg
†Set Burner Pressure Differential
________ Actual Setting
Typical 0.65 in. wg
†Set the maximum firing rate
________ temp rise
†Set the minimum firing rate
________ check
†Set the unit’s operating temperature
________ ºF
Start-Up Direct Gas (Direct Spark) – refer to
Start-Up - Direct Gas section for further detail.
†Check supply gas pressure
________ Maximum
________ Minimum
________ Actual
†Set optional High Gas Pressure Switch
________ Actual Setting
Typical 8.0 in. wg.
†Set optional Low Gas Pressure Switch
________ Actual Setting
Typical 3.0 in. wg.
†Set Burner Pressure Differential
________ Actual Setting
Typical 0.65 in. wg
†Set the maximum firing rate
________ temp rise
†Set the minimum firing rate
________ check
†Set the unit’s operating temperature
________ ºF
Start-Up - Checklist