General" Group - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Type ho1b & mw2b, digital boiler control unit & weather-compensated, digital cascade control unit
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Vitotronic 200 and 300-K Installation and Service

"General" Group

Select "General"
Coding
Coding in the factory setting
00:0
11:≠ 9
2A:0
2D:0
30:3
32:0
35:0
36:0
39:2
3A:0
--
No access to the coding
addresses for the combustion
controller parameters
Without wireless outside
temperature sensor
Do Not Adjust
When changing from a single
boiler to a multiboiler operation,
the coding address may
automatically reset to 30:3. To
prevent continous boiler pump
operation, adjust the coding
address for each boiler to 30:0.
Without extension AM1
Without extension EA1
Function, output aBJ at
extension EA1: Fault message
Function output sA: Circulation
pump for DHW tank heating
Function input DE1 at extension
EA1: Not assigned
Possible change
00:1
Do Not Adjust
to
00:10
11:9
Access open to the coding
addresses for the combustion
controller parameters.
2A:1
With wireless outside temperature
sensor (automatic recognition).
2A:2
Wireless outside temperature
sensor not used.
--
30:0
Coding address should be set
to 30:0, if not adjust to 30:0
32:1
With extension AM1 (automatic
recognition).
35:1
With extension EA1 (automatic
recognition).
36:1
Function output aBJ: Accessories
pump.
36:2
Function output aBJ: DHW
recirculation pump.
39:0
Function output sA: DHW
circulation pump.
39:1
Function output sA: Heating
circuit pump.
3A:1
Function input DE1: Heating
program - changeover.
3A:2
Function input DE1: External
demand with set supply
temperature. Supply temperature
setting: Coding address 9B.
Internal circulation pump
function: Coding address 3F.
3A:3
Function input DE1: External
blocking. Internal circulation pump
function: Coding address 3E.
3A:4
Function input DE1: External
blocking with fault message input
Internal circulation pump
function: Coding address 3E.
3A:5
Function input DE1: Fault
message input.
3A:6
Function input DE1: Brief
operation, DHW circulation
pump (pushbutton function
DHW circulation pump runtime
adjustment: Coding address 3D.
Code 2
--
43

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Vitotronic 300-k

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