Viessmann GC1 - Group 1 General

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Vitotronic 100, GC1B / Vitotronic 300-K, MW1B Installation and Service
Group 1 “General”
Coding 2, Vitotronic 100
Coding
Coding in the factory set condition Possible change
00:1 No Function 00:0 Set automatically if code “01:2” is set.
Boiler control unit is linked into the
cascade.
30:0 Without plug-in adaptor 1, external
safety equipment.
Do Not Adjust.
30:1 With plug-in adaptor 1, external safety
equipment; automatic recognition.
31:0 Without plug-in adaptor 2, external
safety equipment.
Do Not Adjust.
31:1 With plug-in adaptor 2, external safety
equipment; automatic recognition.
32:0 Without extension AM1. 32:1 With extension AM1; automatic
recognition.
33:1 Function output A1 at extension AM1:
Heating circuit pump.
33:3 Circulation pump for neutralizing system or
flue gas/ water heat exchanger.
34:0 Function output A2 at extension AM1:
DHW recirculation pump.
34:3 Circulation pump for neutralizing system or
flue gas/ water heat exchanger.
40:...
Runtime, valve actuator at plug gSA1.
Delivered condition specified by boiler
coding card.
40:5
to
40:199
Runtime adjustable from 5 to 199 sec.
4A:0
Sensor aJA not connected.
4A:1
Sensor aJA available (e.g. Therm-
Control temperature sensor); automatic
recognition.
4b:0
Sensor aJB not connected.
4b:1
Sensor aJB available (e.g. return
temperature sensor T2); automatic
recognition.
4C:2
Connection at plug sÖA1:
Switching contact,
Therm-Control.
4C:1 Do Not Adjust.
4C:3 Circulation pump – flue gas/water heat
exchanger.
4d:1
Connection at plug sL:
Shunt pump.
4d:2 Boiler circuit pump.
4d:3 Boiler circuit pump with isolation valve
function.
4E:0
Connection at plug gS:
Motorized isolation valve.
4E:1 Motor for 3-way mixing valve for return
temperature control.
4E:2 Do Not Adjust.
4F:5 Run-on time, shunt or boiler circuit pump
5 min.
4F:0 No pump run-on.
4F:1
to
4F:60
Run-on time adjustable from 1 to 60 min.