Greenheck DGX Installation, Operation And Maintenance Manual page 31

Function Key
Enter Key
Drain Mode
Drain Mode locks open the drain solenoid and drains the supply line between the supply solenoid and the
media. To activate Drain Mode simultaneously press the Function and Enter Keys. To deactivate Drain Mode
and unlock the drain solenoid, simultaneously press the Function and Enter Keys again.
Flow Test Mode
Activating Flow Test Mode opens the supply solenoid and allows water to pass to the manual supply valve. To
activate Flow Test Mode, press and hold the Function Key for one second. To deactivate Flow Test Mode and
allow the supply solenoid to close, press and hold the Function Key again for one second.
CAUTION!
The sump drain line must be clear and draining
to a safe location before using Flow Test Mode.
Program Mode
Program Mode allows the user to view the Program Menu and edit the factory default settings. To access
Program Mode and view the Program Menu press and hold the Enter Key for three seconds. While viewing the
Program Menu press the Up and Down Keys to scroll through the Menu Options. To view the setting of the
selected Menu Option press the Enter Key. To edit the setting, press the Up or Down Key while viewing the
setting. To save the setting and return to the Program Menu press the Enter Key. To return to the Program Menu
without saving the change, wait 10 seconds. To exit Program Mode from the Program Menu, wait 10 seconds.
WARNING!
Changing the default settings will significantly
effect performance. Only change a setting after
reading and understanding this entire manual.
Dry Bulb Temperature
The default display is the Dry Bulb Temperature of the
outside air.
Indicating Lights
Three indicating lights are located across the top of the display to indicate the status of the Water Wizard.
On
L1 Call For Cooling
Drain Solenoid
L2
Open
L3 Cooling On
Operation - Water Wizard™
L1
Figure 59. Water Wizard User Interface
Light Status
Off
No Call For
Cooling
Drain Solenoid
Closed
Cooling Off
31
L2 L3
Up Key
Down Key
Be aware of the water level in the sump tank at
all times when using the Flow Test Mode.
The Enter Key must be pressed to save any
changes made to a setting.
Wet Bulb Temperature
To view the Wet Bulb Temperature, simultaneously
press and hold the Up and Down Keys.
Blinking
(Long on, short off)
N/A
N/A
Supply Solenoid
Locked Close
CAUTION!
NOTE!
Blinking
(Short on, long off)
N/A
N/A
Flow Test Mode
Active