Greenheck IG / IGX (464104 IOM) (Pre-2009) - Manual (Page 49)

49
NOTE!
Steps 6-8 are provided to adjust the minimum cooling temperature. The minimum cooling temperature
is preset to the factory recommended 75ºF. 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.
Step 6 Enter Program Mode
Press and hold the enter key for three seconds.
The display will read “Pro” when program mode is
active.
Start-Up - Water Wizard (Optional)
NOTE!
The manual supply valve ships closed and must
be adjusted for proper performance.
NOTE!
The recommended water pressure for the model
IGX is set based on media width, model IG is set
based on air volume. A table is provided for
each. Be sure to refer to the correct table.
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.
Step 2 Set the Water Pressure
With the solenoid open, set the supply
water pressure to the correct setting from
the following tables. Use the manual supply
valve to adjust the supply pressure. A
pressure gauge is provided between the
manual supply valve and the media.
Step 3 Break-in Media
Leave the supply solenoid open to saturate
and break-in the media for 20 minutes with
the blower off.
Step 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.
Step 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 Water Wizard troubleshooting.
*Multiple media sections. Values represents total media width.
Step 1 Open the Solenoid
Confirm that the manual water supply valve
is closed. Press and hold the function
button for one second. L3 (refer to Water
Wizard operation in the reference section)
will begin blinking (short on, long off),
indicating that flow test mode is active and
the supply solenoid is open.
Start-Up
Model IG Water Pressure
CFM Range (in w.c.)
800 - 3500 50
3501 - 7000 74
IGX Media Width Water Pressure
Housing (inches) (in. w.c)
12 30 20
43 3 ⁄
4
36
22 48 42
60 61
32
66 72
96* 42
35 120* 61
38 180* 37
42 216* 51