DE;EN;FR;IL -099C_f.1290
19
Filter cleaning:
1. Cut off power and cold water supplies.
2. Take off the unit’s cover.
3. Undo the inlet tting - on the cold water side.
4. Take the lter out from the inlet tting.
5. Clean up the lter.
6. Fix the lter back, put the gasket and do up the inlet
tting.
7. Open the cut-off valve on cold water supply pipe -
check connections for leaks.
8. Fix the unit’s cover back.
9. Vent the water system - see “Venting section”.
Unit is equipped with the BLOCK and NA clamps.
BLOCK - relay input that switches off the slave appliance, the circuit that is connected
to the BLOCK clamps (max. 0,1A 250V-) will be opened at the time of heating operation
starts up.
NA - input that locks the unit operation, opened NA contacts locks the heating operation-
co-operation with the master appliance.
Wire (2 x 0,5sq mm) for BLOCK and NA clamps showuld be run inside the unit on the
right side. The wire connections must be performed by a qualied person.
Maintenance
Co-operation with other appliances
EN
20 / 42 19 / 40 20 / 42
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