Group 1 "General - Viessmann VITOTRONIC 300 Installation And Service Instructions Manual

Code 2, Vitotronic 300, GW5B

Group 1 "General"

Coding
Coding in the factory set condition
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.
31:0 Without plug-in adaptor 2, external
safety equipment.
32:0 Without extension AM1.
33:1 Function output A1 at extension AM1:
Heating circuit pump.
34:0 Function output A2 at extension AM1:
DHW circulation pump.
40:... Runtime, butterfly valve servomotor at
plug gSA1.
Factory set condition specified by boiler
coding card.
4A:0
Sensor aJA not available.
4B:0
Sensor aJB not available.
4C:2
Connection at plug sÖ:
Switching contact,
Therm-Control.
4D:1
Connection at plug sL:
Shunt pump.
4E:0
Connection at plug gS:
Motor for butterfly valve.
4F:5 Run-on time, shunt or boiler circuit pump
5 min.
74
(continued)
Vitotronic 300, GW5B & MW1B Installation and Service
Possible change
00:1 No function.
30:1 With plug-in adaptor 1, external safety
equipment; automatic recognition.
31:1 With plug-in adaptor 2, external safety
equipment; automatic recognition.
32:1 With extension AM1; automatic
recognition.
33:3 Circulation pump for neutralizing system or
flue gas/ water heat exchanger.
34:3 Circulation pump for neutralizing system or
flue gas/ water heat exchanger.
40:5 Runtime adjustable from 5 to 199 sec.
to
40:199
4A:1
Sensor aJA available (e.g. Therm-
Control temperature sensor); automatic
recognition.
4B:1
Sensor aJB available (e.g. return
temperature sensor T2); automatic
recognition.
4C:1 Do not adjust.
4C:3 Circulation pump – flue gas/water heat
exchanger.
4D:2 Boiler circuit pump.
4D:3 Boiler circuit pump with butterfly valve
function.
4E:1 Motor for 3-way mixing valve for return
temperature control.
4E:2 Do not adjust.
4F:0 No pump run-on.
4F:1 Run-on time adjustable from 1 to 60 min.
to
4F:60