Viessmann Vitocrossal 300 Service Manual page 58

Coding 2
General
(continued)
Coding in the factory setting
11:≠ 9
2A:0
2D:0
32:1
33:1
34:0
35:1
36:0
39:2
3A:0
58
No access to the coding
addresses for the combustion
controller parameters
Without wireless outside
temperature sensor
DO NOT ADJUST
DO NOT ADJUST
Function output A1 at
extension AM1: Heating
circuit pump
Function output A2 at
extension AM1: DHW
recirculation pump
With extension EA1 (automatic
recognition).
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
Vitocrossal 300 CU3A 26 to 57 Service
Possible change
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.
--
32:0
33:0 Function output A1: DHW
recirculation pump.
33:2 Function output A1: Circulation
pump for DHW tank heating.
34:1 Function output A2: Heating
circuit pump.
34:2 Function output A2: Circulation
pump for DHW tank heating.
35:0 Without extension EA1.
36:1
Function output aBJ: Feed pump.
36:2
Function output aBJ: DHW
recirculation pump.
39:0
Function output sA: DHW
recirculation 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 recirculation
pump (push button function
DHW recirculation pump runtime
adjustment: Coding address 3D.
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