Greenheck Fan 470658 MSX manual Start-Up Water Wizard optional

Start-Up - Water Wizard™ (optional)

L1	L2	L3
Function Key		Up Key
Enter Key		Down Key

Water Wizard™ User Interface

Key Function Description

1. Open the Solenoid

Confirm that the manual water supply valve is closed. Press and hold the Function Button

for one second. L3 will begin blinking (short on, long off), indicating that Flow Test Mode is active and the supply solenoid is open.

2. Set the Water Pressure

With the solenoid open, set the supply water pressure to the correct setting (see table below).

Use the manual supply valve to adjust the supply pressure. A pressure gauge is provided between the manual supply valve and the media.

warning

Opening the manual supply valve will allow water to pass to the media. Be sure the sump is safely draining before opening the manual supply valve.

NOTE

The manual supply valve ships closed and must be adjusted for proper performance.

Recommended Water Pressure Chart

Housing	Media Width	Water Pressure
Size	(inches)	(in. wc)
MSX-H12	30	20
MSX-H22	433⁄4	36
	60	61
MSX-H32	66	72
	96*	42
MSX-H35	120*	61
MSX-H38	180*	37
MSX-H42	216*	51

*Multiple media sections. Values represent total media width.

NOTE

The recommended water pressure is based on media width. Refer to the table provided for proper water pressure settings.

3. Break-in Media

Leave the supply solenoid open to saturate and break‑in media for 20 minutes with the blower off.

4. Close Solenoid

With the pressure set, press the Function Key for one second to deactivate Flow Test Mode

and allow the supply solenoid to close.

5. Check Media

Start the cooling cycle and check the media after one hour of operation. If the media is continuously dry or if too much water is draining from the sump tank, refer to Troubleshooting, Water Wizard™.

NOTE

Steps 6 through 8 are provided to adjust the minimum cooling temperature. The minimum cooling is preset to the factory recommended 75°F (24°C). Only adjust if needed.

NOTE

The inlet air sensor function overrides and shuts down the evaporative cooler if the outside temperature falls below the minimum cooling temperature.

6. Enter Program Mode

Press and hold

the Enter Key

for three seconds. The display will read “Pro” when Program Mode is active.

Program Display

7.Adjust the Minimum Cooling Temperature

While in the Program Menu, use the Up and Down Keys to navigate the Menu Options

until “toF” is	Minimum Cooling
displayed. Press the	Temperature Display

Enter Key to access the selected Menu Option setting.

Use the Up and Down Keys to adjust the Minimum Cooling Temperature as needed. Press the Enter Key to save the Minimum Cooling Temperature setting and return to the Program Menu.

NOTE

The enter key must be pressed to save the new minimum cooling temperature.

8. Exit Program Mode

After 15 seconds of idle time the controller will exit Program Mode.

20 Model MSX Make-Up Air ®