42
INSTALLATION & SERVICE MANUAL FOR PROFESSIONALS
Maintenance and care
: Preventive maintenance
Step Action
Illustration
1
Remove the heat exchanger from the unit.
2
Clean the heat exchanger with a soft brush
and a vacuum cleaner at all four inlets.
In special cases, for example, if there are
clear traces of accumulated, dirty condensed
water in the heat exchanger, it will be neces-
sary to clean the heat exchanger with soapy
water outside the unit.
3
Wait until the heat exchanger is completely dry and reinstall it.
Step Action
Illustration
1
Remove the heat exchanger to inspect the drip tray.
•
Check that the condensation outlet is not blocked in the drip tray.
•
Clean the drip tray with soapy water and a brush/cloth.
Reinstall the heat exchanger.
2
Check drain hoses and valves for damage and correct installation. See the optimum
installation on page 33.
•
Make sure that the water hose has a minimum fall of 1% towards the drain
•
Ensure that the water hose is protected against frost from the unit to the drain
•
Ensure that there is water in the hose's water trap.
When the service is completed, close the unit again.
Step Action
Illustration
8
Make sure that all gaskets are completely
tight before mounting the front cover.
9
Check that all connections are securely fixed to the PCB.
10
Mount the front cover with the two screws, and then put the top part of the front
cover back in place.
Heat exchanger
(2 years)
Drain and drip tray
(2 years)
End inspection
Summary of Contents for HCV 300
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