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5693 982 - 04
Vitotronic 300, GW2B Installation and Service
“General” Group
(continued)
Code 2
Coding in the factory set condition
Possible change
12:5
With extension EA1:
DHW recirculation pump runtime for brief
operation: 5 min.
12:1
to
12:60
Runtime adjustable from 1 to 60 min.
1E:0
With extension EA1 (analog input 0-10V):
Temperature demand from 32 to 212°F
(0 to 100°C):
1V 50°F (10°C)
10V 212°F (100°C)
1E:1
Temperature demand from 86 to 248°F
(30 to 120°C):
1V 86°F (30°C)
10V 248°F (120°C)
20:...
Controller integral time for low loss header in sec.
Factory set condition specified by the boiler
coding card.
The greater the integral action time, the more
accurate but slower the controller.
20:1
to
20:199
Controller integral time adjustable from
10 to 1990 sec;
1 step 10 sec.
22:...
Controller integral time for low loss header in
min.
Time between burner start and controller start.
Factory set condition specified by the boiler
coding card.
22:1
to
22:199
Controller integral time adjustable from
1 to 199 min.
2E:0
Without outside temperature sensor RF.
2E:1
With outside temperature sensor; automatic
recognition
2E:2
Outside temperature sensor RF is not used.
2F:0
Do not adjust.
-
-
30:0
Without plug-in adaptor 1 for external safety
equipment.
30:1
With plug-in adaptor 1 for external safety
equipment; automatic recognition.
31:1
Without plug-in adaptor 2 for external safety
equipment.
31:1
With plug-in adaptor 2 for 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, heating circuit without
mixing valve A1 (heating circuit 1).
33:0
DHW recirculation pump.
33:2
DHW tank primary pump.
33:3
Circulation pump, neutralizing system or flue
gas/water heat exchanger.
34:1
Function output A2 at extension AM1:
Heating circuit pump, heating circuit without
mixing valve A1 (heating circuit 1).
34:0
DHW recirculation pump.
34:2
DHW tank primary pump.
34:3
Circulation pump, neutralizing system or flue
gas/ water heat exchanger.
40:...
Runtime, servomotor at plug
gS
A1.
Factory set condition defaulted by boiler coding
card.
40:5
to
40:199
Runtime adjustable from 5 to 199 sec.
4A:0
Sensor
aJ
A
not available.
4A:1
Sensor
aJ
A
available (e.g. return temperature
sensor T1); automatic recognition.
4b:0
Sensor
aJ
B
not available.
4b:1
Sensor
aJ
B
available (e.g. return temperature
sensor T2); automatic recognition.
4C:0
Connection at plug
sÖ
A1:
Switching contact, heating circuit pump.
4C:1
Primary pump, primary store system.
4C:2
Switching contact, Therm-Control.
4C:3
Circulation pump – flue gas/water heat exchanger.
