Start-Up - Evaporative Cooling (optional)
Pump | Supply | Float | Threaded Float | |
Valve | Filter | Connection | Valve | Adjustment |
1. Check the Installation
The media may have been removed during installation, so its orientation should be double checked. The media Entering Air should be installed
with the steeper flute angle sloping
down towards the entering air side.
45º
Leaving Air
15º
Overflow |
Evaporative Cooler
Verify that the stainless steel caps and distribution headers are in place. The headers should be located over the media towards the entering air side. The caps should be placed over the headers.
2. Check the Pump Filter
Check that the pump filter is around the pump inlet.
3. Fill the Sump and Adjust the Float
Turn on the water supply and allow the sump tank to fill. Adjust the float valve to
4. Break-In the Media
Open the
Note
A jumper will need to be installed in the control center to power the evaporative pumps with the blower(s) off. Reference the unit’s ladder diagram to determine proper terminals.
5. Check the Flow Rate
The pumps should provide enough water to saturate the media in 45 to 60 seconds. Consult the factory, if adequate flow is not achieved.
6. Adjust the Water Bleed-Off Rate
The water
7. Set the Optional Auto Drain and Fill
Set the auto drain, fill timer and temperature settings. Temperature is typically set to 45ºF / 7ºC
Timer settings are: t1: 1.0, 10min t2: 0.4, 60h
8. Put the Unit into Service
Remove the jumper, and energize the blower(s). Verify proper operation.
important
Check the media for minerals after two weeks of service and adjust the
®
Temperature
Setting
t2 settings
t1 settings
Evaporative Freeze | Evaporative |
Protection | Timer |
Model IG / IGX
