Owner’s Manual
Page - 15 - of 22
10. Set the thermostat to a low temperature to get a cool call and start the unit. The water will begin to fill the cooling system.
The first fill will take about an hour to completely wet the heat exchangers if the temperature is about 75
0
F (24
0
C) outside,
four (4) hours or longer if about 100
0
F (38
0
C) outside. If the thermostat is not calling for cooling, the heat exchangers may
not fully saturate with water at this point. The Air conditioner will fully wet-out when the thermostat calls for cooling.
Please be aware that the water will cycle off for two (2) minutes and then turn back on based on the outside temperature
and humidity and air-flow rate.
During the seasonal start-up or when the power is turned off and back on there will be soap bubbles coming out of either
the side mounted louvers or the top mounted working air duct. This is normal and soap bubbles will dissipate in an hour or
two.
If there is a lot of soap in the unit at start up it may take a day get all the bubbles out and the temperature to come down to
normal operation.
NOTE: When the thermostat is turned “Off” the fan may not come on again for 2 minutes to prevent fan short
cycling.
HMX Cleaning
This procedure assists in the general cleaning and preventive maintenance of Coolerado Heat & Mass Exchangers (HMXs) and should
be performed by a factory trained Coolerado technician. The frequency of this procedure should be determined by your servicing
contractor and will be directly influenced by environmental operating conditions, such as water hardness and outside air quality.
If you are experiencing other mechanical or performance issues with your equipment please contact your local Coolerado distributor
immediately.
Necessary Tools:
5/16” (8 mm) nut driver
Flexible extension for nut driver
Soft Nylon Brush
Garden Hose with Spray nozzle
50ml syringe with luer lock
DANGER! Ensure that the power is properly disconnect before servicing the unit(s) and working with water around the
motor and high voltage wiring.
1. Disconnect power at the unit(s) or at the breaker panel servicing the unit.
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