27
Preventing Damage form Freezing
Chapter 3. – Unit Operation
CAUTION
• To avoid burns, wait until the equipment cools down before draining the Domestic Hot Water.
• The appliance will remain hot for short period after it is turned off.
If the Combi Boiler will not be used for a long period of time, drain the water.
Drain the water into a bucket to prevent water damage.
1. Close the gas valve.
2.
(1) Turn the ‘Power Button’ ON.
(2) Turn and leave open the Hot Water fixtures/ faucets for more than 2 minute
and close.
* An 11 Error Code may appear on the control panel.
This is not a malfunction of the unit. Do not turn the ‘Power Button’ OFF.
3. Close the both DHW inlet and Auto Feeder Inlet water supply valve and disconnect the
electrical power supplied to the unit.
4. Fully open all Hot Water fixtures/faucets.
5. Open all drain plugs and drain the water out of the unit.
6. When the water is completely drained, replace all drain plugs and close the Hot Water fixtures/faucets.
Domestic Hot Water Drain
Condensate Drain
Domestic Cold Water Drain
Do not touch with wet hands.
Summary of Contents for CB180-DV
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