Greenheck Fan Part #470655 manual Start-Up- Blower, Pipe the Optional Vent Line, Pre Start-UpCheck

Voltage, Hertz, Phase

4. Pipe the Optional Vent Line

If an optional vent line is located between the safety shutoff valves it must be piped to the outdoors.

warning

Reference the National Fuel Gas Code for additional vent line requirements.

	Vent Line Solenoid
	to outdoors
	LineVent
to burner	from supply

Safety Shut-Off Valves

Optional Vent Line

5. Test the System for Leaks

Check both the supply lines and the factory piping for leaks. Apply a soap and water solution to all piping and watch for bubbling which indicates a leak.

warning

NEVER test for a gas leak with an open flame.

Note

The factory piping has been checked for leaks, but should be rechecked due to shipping and installation.

Start-Up - Blower

Refer to the Start-Up Checklist in the Reference section before proceeding further!

Pre Start-Up Check

Rotate the fan wheel by hand and make sure no parts are rubbing. Check the V-belt drive for proper alignment and tension (a guide for proper belt tension and alignment

is provided in the Maintenance, V-Belt Drives section). Check fasteners, set screws and locking collars on the fan, bearings, drive, motor base, and accessories for tightness.

warning

Disconnect and lock-out all power and gas before performing any maintenance or service to the unit. Failure to due so could result in serious injury or death and damage to equipment.

SPECIAL TOOLS REQUIRED

•Voltage Meter (with wire probes)

•Amperage Meter

•Micro Amp Meter

•Tachometer

•Thermometer

•Incline manometer or equivalent

Warning

Check the housing, blower, and ductwork for any foreign objects before running the blower.

1. Check the Voltage

Before starting the unit, compare the supplied voltage, hertz, and phase with the unit and motor’s nameplate information.

VOLTS HZ PH

SUP HP

MCA MOP

Unit’s Total MCA

Electrical Nameplate

®

DGX Industrial Space Heating 9