Viessmann VITODENS 050-W Installation And Service Instructions Manual page 76
Wall mounted gas condensing boiler
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Also See for VITODENS 050-W:
- Installation and service instructions manual (100 pages) ,
- Technical manual (60 pages) ,
- Operating instructions manual (24 pages)
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Control unit
Functions and operating conditions in...
(cont.)
Frost protection function
The frost protection function requires
an outside temperature sensor to be
connected. Frost protection function is
active at outside temperatures of
< 5 °C. The burner starts and the boiler
water temperature is held at 20 °C.
76
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