Dantherm HCH 5 MKII, Manual

Page: 42 / 108

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 (max. 40dg.) outside the unit.
3 Wait until the heat exchanger is completely dry and reinstall it.
Remove the fan boxes, heat exchanger and filters and visually inspect the ducts and internal
surfaces inside the unit for dirt. If the ducts or surfaces are dirty, clean them with a wet cloth,
brush, vacuum cleaner or similar.
Refit the fan boxes, heat exchanger and filters when you have finished cleaning.
Step Action Illustration
1 If necessary remove the extract air fan box and bypass, 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 to ensure good hygiene
inside the unit.
Reinstall the fan box (and bypass) - if removed.
2 Check drain hoses for damage and correct installation. See the optimum installation
on page 29.
•
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 siphon.
• Check the siphon regularly, especially during the summer, and make sure it is
filled with water as recommended.
Step Action Illustration
1 Check that all connections are securely fixed to the PCB.
2 Mount the front cover.
When the service is completed, close the unit again.
Heat exchanger
(2 years)
Internal cleaning
(2 years)
Drain and drip tray
(2 years)
End inspection