Greenheck DG - Reference - Start-Up Checklist; Direct Gas Start-Up Checklist; Pre Start-Up Checklist; Blower Start-Up Checklist

Direct Spark Ignition Make-Up Air38
®
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.
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 L1 _____________ Amps
L2 _____________ Amps
L3 _____________ 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
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
Refer to Direct Gas Start-Up 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
________ °F
Start-Up Evaporative Cooler (optional)
Refer to Evaporative Cooler 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