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

Vitotronic 300, GW5B & MW1B Installation and Service

"General" Group

Coding
Coding in the factory set condition
00:1 One system circuit A1 (heating circuit 1),
without DHW heating.
Coding
Value Description
address
00: ...
2 One system circuit A1 (heating circuit 1) with DHW heating (automatic recognition)
3 One heating circuit with mixing valve M2 (heating circuit 2) without DHW heating
4 One heating circuit with mixing valve M2 (heating circuit 2) with DHW heating
5 One system circuit A1 (heating circuit 1)
One heating circuit with mixing valve M2 (heating circuit 2) without DHW heating (automatic recognition)
6 One system circuit A1 (heating circuit 1)
One heating circuit with mixing valve M2 (heating circuit 2) with DHW heating (automatic recognition).
7 Two heating circuits with mixing valve M2 (heating circuit 2) and M3 (heating circuit 3)
without DHW heating
8 Two heating circuits with mixing valve M2 (heating circuit 2) and M3 (heating circuit 3)
with DHW heating
9 One system circuit A1 (heating circuit 1)
Two heating circuits with mixing valve M2 (heating circuit 2) and M3 (heating circuit 3)
without DHW heating (automatic recognition).
10 One system circuit A1 (heating circuit 1)
Two heating circuits with mixing valve M2 (heating circuit 2) and M3 (heating circuit 3)
with DHW heating (automatic recognition).
Coding in the factory set condition
12:5 With extension EA1:
DHW circulation pump runtime for brief
operation:
5 min.
1E:0 With extension EA1 (analogue input 0-10 V):
Temperature demand from 32 to 212° F
(0 to 100° C):
1 V 50° F (10° C)
10 V 212° F (100° C)
2E:0 Do not adjust.
2F:0 Do not adjust.
40:125 3-way mixing valve servomotor runtime in
conjunction with permanent return temperature
control at plug gSA1 125 sec.
4A:0
Sensor aJA not available.
4B:0
Sensor aJB not available.
4C:0
Connection at plug sÖA1:
Heating circuit pump.
Possible change
00:2 For system schemes, see the following table.
to
00:10
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):
1 V 86° F (30° C)
10 V 248° F (120° C)
- -
- -
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.
Code 2, Vitotronic 300-K
87