Use and Care Manual

29
Periodic Maintenance
Wipe the outside surface with a wet cloth, then dry the surface. Use a neutral detergent to clean any stains.
If an external condensate neutralizer is installed, periodic replacement of the neutralizing agent will be required.
Refer to the instructions supplied with the neutralizer for suggested replacement intervals.
• Do not use benzene, oil or fatty detergents to clean the Operation Panel;
deformation may occur.
• The Operation Panel is not water resistant. Keep it dry.
Unit
Operation Panel
Wipe the surface with a wet cloth.
Periodic Maintenance
If the water drain valve (with water lter) is covered with debris, the hot water may not run
smoothly, or the unit may put out cold water. Check and clean the lter as explained below.
* To avoid burns, wait until the unit cools down before draining the water.
The unit will remain hot after it is turned off.
Water Drain Valve (with Water Filter)
1. Close the water supply valve. Press the power
button to turn off the Operation Panel and
disconnect the power cord to the Combi Boiler.
2. Open all hot water xtures/faucets.
3. With a bucket ready, remove the DHW inlet, the
DHW outlet and the Auto feeder inlet drain plugs.
(about 0.13 gallon (0.5 L) will drain out)
4. Remove the water drain valves (with water lter)
out of the inlets. (See illustration to right).
5. Clean the water drain valves (with water lter)
with a brush under running water.
6. Replace the water drain valves (with water lter)
and close the drain plugs.
(Take care not to lose the packing.)
7. Close all hot water xtures/faucets.
8. Open the water supply valve and check that
water does not leak from the drain plugs or water
drain valves (with water lter).
9. Plug back the power cord and press the power
button to power the unit on and readjust the clock
time. (
p. 13)
Domestic Water Inlet / Auto Feeder Inlet
Inlet
Packing
Water drain valve
(with water filter)