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Setting parameter
17
Description
3
= Burner lockout function
The boiler and the pump switch off when the input is closed. Frost
protection is not activated.
The display shows
W24
, when the contact is closed.
For example, this function can be used to connect a safety switch of
a condensate lift pump.
4
= Return signal flue gas damper closed
When the flue gas damper is closed, a return signal is sent to H2.
Installation and operating instruction
Gas condensing boiler WTC-GB 90-A
6 Operation
83266502 • 1/2010-08 • La
49-95