Direct Gas Make-Up Air
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Unit Model Number ________________________________
(e.g. XDGX-120-H32)
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 fan 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 Fan Checklist
o
Check line voltage
L1-L2 _______________
L2-L3 _______________
L1-L3 _______________
o
Check fan rotation
o
Check for vibration
o
Supply fan RPM
_____________ RPM
o
Motor nameplate amps
_____________ Amps
o
Actual motor
L1 _____________ Amps
L2 _____________ Amps
L3 _____________ Amps
o
Actual CFM/kPA delivered __________ CFM/kPA
Optional Accessories
o
Heating Inlet Air Sensor
________ Actual Setting
• Typical setting 60º-70ºF (15.6º - 21.1ºC)
o
Cooling Inlet Air Sensor
________ Actual Setting
• Typical setting 75ºF (23.9ºC)
o
Building Freeze Protection
• Typical setting 5 minutes; 35ºF (1.7ºC)
o
Dirty Filter Gauge
________ Actual Setting
• Typical setting varies
Start-Up Direct Gas
Refer to Start-Up: Direct Gas-Fired Heating 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 (1 kPa)
o
Set optional Low Gas Pressure Switch
________ Actual Setting
• Typical 3.0 in. wg (0.75 kPa)
o
Set Burner Pressure Differential
________ Actual Setting
• Typical 0.65 in. wg (0.16 kPa)
o
Set the maximum firing rate
______ºF Temperature Rise
o
Set the minimum firing rate
________ check
o
Set the unit’s operating temperature
________ ºF
Start-Up Evaporative Cooling (optional)
Refer to Evaporative Cooling Start-Up section for further detail.
o
Check media orientation
o
Check for proper water flow to distribution
headers
o
Check for distribution header orientation to
prevent water spillage
Reference
Start-Up Checklist
