Greenheck Fan 470656 manual Installation of Water WizardTM optional

6 in. min.

Drain

Trap

6 in. min.

1. Install the Water Supply Line

Supply line opening requirements vary by unit size and arrangement and are field-supplied. Connect the water supply line to the float valve through the supply line opening in the evaporative cooling unit. Install the 1/2 inch normally closed solenoid (Valve A) in the supply line. Install the 1/4 inch normally open solenoid (Valve B) between the supply line and the drain line as shown.

2. Install the Drain Line

Connect an unobstructed drain line to the sump drain overflow connection. Install the 3/4 in. normally open solenoid (Valve C) between the sump drain connection and the drain line. A

trap should be used to prevent sewer gas from

being drawn into the unit. Refer to Drain Trap

drawing.

3. Check/Adjust Water Level

Check the water level in the sump tank. The water level should be above the pump intake and below the overflow. Adjust the float as needed to achieve the proper water level.

®

Installation of Water WizardTM (optional)

Evaporative Cooling with the Water Wizard™

Note

The following instructions are provided for evaporative coolers equipped with the Water Wizard™ only. Additional instructions are provided for evaporative coolers equipped with the auto drain and fill or bleed-off.

Warning

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

Water Wizard™ Valves

(when provided by manufacturer)

Unit	Assembly	Mfg.	ASCO™	Solenoid	De-Energized	Diameter	Qty.
Model	Number	Part	Part	Type	Position
		Number	Number
IGX -		461262	8210G2	Supply	Closed	1/2 inch	1
						(12.7 mm)
H12/H22	852370
				Supply
IGX - H32						1/2 inch
		383086	8210G34	Line	Open		1
(<9000 cfm)						(12.7 mm)
				Drain
		383088	8210G9	Supply	Closed	3/4 inch	1
						(19.05 mm)
IGX - H32
	852371
				Supply
(≥9000 cfm)						1/2 inch
		383086	8210G34	Line	Open		1
						(12.7 mm)
				Drain

Part numbers subject to change.

1.Install Normally Closed Supply Line/ Solenoid

Connect the water supply line to the manual supply valve in the unit. Install the supply solenoid in the supply line, upstream of the manual supply valve and below the roofline.

2.Install Normally Open Drain Line/ Solenoid

Connect the drain line to the supply line between the manual supply valve and the supply solenoid. Install a drain solenoid in the drain line, below the roof line. A trap should be installed in the drain line.

Note

Solenoid(s) may be provided by manufacturer (if ordered) or by others.

Caution

Any wiring deviations may result in personal injury or property damage. Manufacturer is not responsible for any damage to or failure of the unit caused by incorrect final wiring.

Model IG / IGX Make-Up Air 19