Reference - start-up checklist – Greenheck DG / DGX with Direct Spark (470652) User Manual
Page 38

Direct Spark Ignition Make-Up Air
38
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Unit Model Number ________________________________
(e.g. DGX-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.
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
Start-Up Blower Checklist
Refer to Blower Start-Up 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
L1 _____________
Amps
L2
_____________
Amps
L3
_____________
Amps
Actual CFM delivered
_____________ CFM
Optional Accessories
Refer to Blower Start-Up section, Step #6 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
Refer to Direct Gas Start-Up 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
________
°F
Start-Up Evaporative Cooler (optional)
Refer to Evaporative Cooler Start-Up section for further detail.
Check media orientation
Check for proper water flow to distribution
headers
Check for distribution header orientation to
prevent water spillage
Reference - Start-Up Checklist