Viessmann VITOTRONIC300 Installation And Service Instructions Manual page 99

Vitotronic 300, GW2B Installation and Service
"General" Group
Coding in the factory set condition
12:5 With extension EA1:
DHW recirculation pump runtime for brief
operation: 5 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)
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.
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.
2E:0 Without outside temperature sensor RF.
2F:0 Do not adjust.
30:0 Without plug-in adaptor 1 for external safety
equipment.
31:1 Without plug-in adaptor 2 for external safety
equipment.
32:0 Without extension AM1.
33:1 Function output A1 at extension AM1:
Heating circuit pump, heating circuit without
mixing valve A1 (heating circuit 1).
34:1 Function output A2 at extension AM1:
Heating circuit pump, heating circuit without
mixing valve A1 (heating circuit 1).
40:...
Runtime, servomotor at plug gSA1.
Factory set condition defaulted by boiler coding
card.
4A:0
Sensor aJA not available.
4b:0
Sensor aJB not available.
4C:0
Connection at plug sÖA1:
Switching contact, heating circuit pump.
(continued)
Possible change
12:1 Runtime adjustable from 1 to 60 min.
to
12:60
1E:1 Temperature demand from 86 to 248°F
(30 to 120°C):
1V 86°F (30°C)
10V 248°F (120°C)
20:1 Controller integral time adjustable from
to 10 to 1990 sec;
20:199 1 step 10 sec.
22:1 Controller integral time adjustable from
to 1 to 199 min.
22:199
2E:1 With outside temperature sensor; automatic
recognition
2E:2 Outside temperature sensor RF is not used.
- -
30:1 With plug-in adaptor 1 for external safety
equipment; automatic recognition.
31:1 With plug-in adaptor 2 for external safety
equipment; automatic recognition.
32:1 With extension AM1; automatic recognition.
33:0 DHW recirculation pump.
33:2 DHW tank primary pump.
33:3 Circulation pump, neutralizing system or flue
gas/water heat exchanger.
34:0 DHW recirculation pump.
34:2 DHW tank primary pump.
34:3 Circulation pump, 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. return temperature
sensor T1); automatic recognition.
4b:1
Sensor aJB available (e.g. return temperature
sensor T2); automatic recognition.
4C:1 Primary pump, primary store system.
4C:2 Switching contact, Therm-Control.
4C:3 Circulation pump – flue gas/water heat exchanger.
Code 2
99