Viessmann Vitodens 200 Start-Up/Service Instructions page 59

Vitodens 200 WB2 Service
Control Unit for Weather-Responsive Operation
Overview of coding addresses (continued)
Coding (factory default
setting) Address: Value
016:000
017:001
018:000
019:000
020:000
027:000
028:000
029:001
033:000
034:000
036:000
038:020
* 1 Change only feasible if programming unit is mounted on a wall-mount base.
* 2 Address set automatically, must be reset manually.
Function mode
Do not change
Do not change
Circulating pump with time
delay function
Programming unit or remote
control
Weather-responsive operation
(WS function) for all connected
heating circuits
Heating circuits
Without WS or RS remote
control unit
External switching of heating
program
Boiler
During DHW production, the
boiler water temp. is max. 36ºF /
20ºC higher than the desired tank
water temp.
Do not change
Do not change
Do not change
Do not change
Minimum supply temperature in
heating mode
with programming unit
Coding change Possible changes
Address: Value
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018:001 Circulating pump without time delay
function
019:001* 1
On systems with one heating circuit
without mixing valve or one heating
019:002* 1
circuit with mixing valve:
Operation with room temperature
dependent control (RS function)
On systems with one heating circuit
without mixing valve and one heating
circuit with mixing valve:
Weather-responsive operation (WS
function) for heating circuit with
mixing valve and operation with room
temperature dependent control (RS
function) for heating circuit with
mixing valve
On systems with one heating circuit
without mixing valve or one heating
circuit with mixing valve:
Weather-responsive operation (WS
function) in normal heating mode and
operation with room temperature
dependent control (RS function) in
reduced operation
On systems with one heating circuit
without mixing valve and one heating
circuit with mixing valve:
Weather-responsive operation (WS
function) for heating circuit without
mixing valve and on weather responsive
basis in normal heating mode and
operation with room temperature
dependent control in reduced operation
(WS/RS function) for heating circuit
with mixing valve
With WS or RS remote control unit * 2
020:001
027:001 External call for heat
028:001 During domestic hot water production,
the boiler water temperature is limited to
172ºF / 78ºC by the limit thermostat
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020 to 127 Min. possible supply temperature
68 to 261ºF / 20 to 127ºC
Additional Information
(continued)
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