Viessmann Vitocrossal 300 Series Service Instructions Manual page 63

Vitocrossal 300 CU3A 26 to 199 Service
General
(continued)
Coding in the factory setting
11:g 9
20:74
27:74
2A:0
2C:74
2D:0
32:1
33:1
34:0
35:1
36:0
39:2
No access to the coding
addresses for the combustion
controller parameters
Supply temperature for zone
circuit 1, 164ºF (74ºC)
Supply temperature for zone
circuit 2, 164ºF (74ºC)
Without wireless outside
temperature sensor
Supply temperature for zone
circuit 3, 164ºF (74ºC)
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
Possible change
11:9 Access open to the coding
addresses for the combustion
controller parameters.
20:20 Supply temperature for zone
to circuits adjustable from 68ºF to
20:85 185ºF (20ºC to 85ºC) (limited by
boiler specific parameters).
27:20 Supply temperature for zone
to circuits adjustable from 68ºF to
27:85 185ºF (20ºC to 85ºC) (limited by
boiler specific parameters).
2A:1 With wireless outside temperature
sensor (automatic recognition).
2A:2 Wireless outside temperature
sensor not used.
2C:20 Supply temperature for zone
to circuits adjustable from 68ºF to
2C:85 185ºF (20ºC to 85ºC) (limited by
boiler specific parameters).
--
32:0
33:0 Function output A1: DHW
recirculation pump.
33:2 Function output A1: Circulation
pump for DHW tank heating.
33:3 No function
33:4 No function
33:5 Zone circuit pump 1
33:6 Zone circuit pump 2
33:7 Zone circuit pump 3
34:1 Function output A2: Heating
circuit pump.
34:2 Function output A2: Circulation
pump for DHW tank heating.
34:3 No function
34:4 No function
34:5 Zone circuit pump 1
34:6 Zone circuit pump 2
34:7 Zone circuit pump 3
35:0 Without extension EA1.
36:1
Function output aBJ: Feed pump.
36:2
Function output aBJ: DHW
recirculation pump.
36:3-5 No function
36:6 Zone circuit pump 1
36:7 Zone circuit pump 2
36:8 Zone circuit pump 3
39:0
Function output sA: DHW
recirculation pump.
39:1
Function output sA: Heating
circuit pump.
Coding 2
--
--
63