75
Maintenance
Other Maintenance Work
Wall-mounted unit,
4-way valve kit
8.3.4 Other Maintenance Work
-
Checkthewater-sideconnections,valvesandttings.
- Vent heat exchanger.
- Check the electrical wiring.
-Cleantheoutletgrilleandremovedirtfromtheairow.
- Check the antifreeze, if used.
Cleaning the condensate pump
Fig. 68: Condensate pump with
oat switch
Ceiling modelWall-mounted unit,
2-way valve kit
Thecondensatepumpwithoatswitchislocatedonthewater
connection side of the basic unit on all models. Its location
depends on the valve kit used on the wall-mounted version.
1. Openthecoveroftheoatswitch,cleantheoatswitch
and close the cover again.
Fig. 69: Opening the cover
IMPORTANT NOTE!
Checkthatthecondensatepumpandoatswitchis
working properly after cleaning!