Greenheck IG / IGX (464104 IOM) (Pre-2009) - Manual (Page 50)

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Step 9 Enter Program Mode
Press and hold the enter key for three seconds.
The display will read “Pro” when program mode is
active.
Step 10 Adjust the Freeze Temperature
While in program mode, use the up and down keys
to navigate through the menu options until “Frt” is
displayed. Press the enter key to access the
selected menu option setting. Use the up and
down keys to adjust the freeze temperature setting
as needed. Press the enter key to set the freeze
temperature and return to the program menu.
Step 11 Exit Program Mode
After ten seconds of idle time the controller will exit program mode.
Step 8 Exit Program Mode
After ten seconds of idle time the controller will exit program mode.
NOTE!
The freeze temperature is the temperature at which the supply solenoid closes and the drain solenoid
opens to drain the supply line, preventing possible freeze damage.
NOTE!
Steps 9-11 are provided to adjust the freeze temperature setting. The freeze temperature is preset to
the factory recommended 45ºF. Only adjust if needed.
Step 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
displayed. Press the 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 new minimum cooling temperature setting
and return to the program menu.
IMPORTANT!
The enter key must be pressed to save the new freeze temperature.
IMPORTANT!
The enter key must be pressed to save the new minimum cooling temperature.
Start-Up - Water Wizard (Optional)
Start-Up