Water chillers and
air-water heat pumps
HEAT PUMPS - AIR CONDITIONING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 12.122 H
46
CIATCooler LP
Centrifugal fan (STD version)
- Verify that the turbine and the motor remain clean.
- Foresee having a spare belt set for the fans.
- The motors and the fans have bearings that have been lubricated and
sealed and, thus, do not need further lubrication (except in the case
of fans with a reinforced shaft).
Servomotor (optional)
In CIATCooler units with a condensation pressure regulation
damper (in the STD version), it is advisable to check the state of the
servomotor.
Note: The damper in models 420V-STD to 600V-STD incorporates 2
sevomotors (one on each side).
Pump
In the case of pump replacement:
- Disconnect the unit from power supply.
- Disconnect electrically the pump.
- Empty completely of water from the hydraulic circuit.
- Loosen the fi ttings of the 2 pipes.
- Remove the two screws fi xing the pump and replace it.
Condensate pan Drain
Filter in the return air (optional)
- Clean usually. Depending on the installation conditions, the fi lter
aspect must be examined to defi ne the cleaning periodicity.
- Gravimetric fi lters: Cleaning the fi ltering mesh can be done with a
household vacuum cleaner, or by submerging it in water.
Filters are moved
by lifting the tab
and dragging
CIATCooler Number of frames Number of cell
90V-STD to 100V-STD
12
120V-STD to 180V-STD
13
200V-STD
24
240V-STD to 600V-STD
26
640V-STD to 960V-STD
2 16
90V-HEE
12
100V-HEE to 120V-HEE
13
160V-HEE to 180V-HEE
24
200V-HEE to 360V-HEE
26
420V-HEE to 720V-HEE
2 16
Condensate drain pan
- Check that the condensate pan is clean.
- Check that the drain is not clogged.
- Cleaning of the pan can be done with water and non-abrasive
detergent.
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