Model IGX Make-Up Air
47
®
Unit Model Number ________________________________
(e.g. IGX-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 fan to verify free rotation
Verify supply voltage to the main disconnect
Verify the supply gas pressure
Verify remote controls wiring
Start-Up Fan Checklist
Check line voltage
L1-L2 _______________
L2-L3
_______________
L1-L3
_______________
Check fan rotation
Check for vibration
Supply fan RPM
_____________ RPM
Motor nameplate amps
_____________ Amps
Actual motor
L1 _____________
Amps
L2
_____________
Amps
L3
_____________
Amps
Actual CFM/kPA delivered __________ CFM/kPA
Optional Accessories
Heating Inlet Air Sensor
________
Actual
Setting
• Typical setting 60º-70ºF (15.6º - 21.1ºC)
Cooling Inlet Air Sensor
________
Actual
Setting
• Typical setting 75ºF (23.9ºC)
Building Freeze Protection
• Typical setting 5 minutes; 35ºF (1.7ºC)
Dirty Filter Gauge
________
Actual
Setting
• Typical setting varies
Start-Up Indirect Gas
Furnace 1
o
Determine furnace control type:
High Turndown - 8 Stage - 4:1 Modulation
o Check supply gas pressure
________
Maximum
________
Minimum
________
Actual
o Set the High Manifold pressure
________
in.
wg
o Set the Low Manifold pressure
________
in.
wg
o Set the unit’s desired discharge temperature
________ °F (°C)
Furnace 2 (Optional)
o
Determine furnace control type:
High Turndown - 8 Stage - 4:1 Modulation
o Check supply gas pressure
________
Maximum
________
Minimum
________
Actual
o Set the High Manifold pressure
________
in.
wg
o Set the Low Manifold pressure
________
in.
wg
Furnace 3 (Optional)
o
Determine furnace control type:
High Turndown - 8 Stage - 4:1 Modulation
o Check supply gas pressure
________
Maximum
________
Minimum
________
Actual
o Set the High Manifold pressure
________
in.
wg
o Set the Low Manifold pressure
________
in.
wg
Start-Up Evaporative Cooling (optional)
Refer to Evaporative Cooling 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
