Viessmann VITOPEND 100-W Installation And Service Instructions Manual page 39

10.5 to 24 kw and 13 to 30 kw. gas fired central heating and combi boilers for open flue operation. natural gas and lpg version

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Control and display elements

A Pressure gauge and thermometer

B Rotary selector for DHW tempera-

ture

C Rotary selector for room tempera-

ture

D ON/OFF switch

Heating mode

The set boiler water temperature

adjusted at rotary selector "tr" will

be maintained when a demand is

raised by the room thermostat.

The boiler water temperature will be

maintained at the default frost protec-

tion temperature when there is no

demand.

Function description

E Fault indicator (red)

F ON indicator (green)

G Burner indicator (green)

H Central heating indicator (green)

K DHW heating indicator (green)

The electronic temperature limiter

inside the burner control unit limits the

boiler water temperature to 84 °C.

Flow temperature setting range: 40 to

76 °C.

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