Viessmann VITOLADENS 300-W Installation And Service Instructions Manual page 68

Code 2
General
(cont.)
Coding in the delivered condition
32:0 Without extension AM1
33:1 Function output A1 at ex-
tension AM1: Heating cir-
cuit pump
34:0 Function output A2 at ex-
tension AM1: DHW circu-
lation pump
35:0 Without extension EA1
36:0 Function output aBJ at
extension EA1: Fault
message
3A:0 Function input DE1 at ex-
tension EA1: Not as-
signed
68
Possible change
32:1 With extension AM1 (auto-
matic recognition)
33:0 Function output A1: DHW
circulation pump
33:2 Function output A1: Circu-
lation pump for cylinder
heating
34:1 Function output A2: Heat-
ing circuit pump
34:2 Function output A2: Circu-
lation pump for cylinder
heating
35:1 With extension EA1 (auto-
matic recognition)
36:1 Function output aBJ: Feed
pump
36:2 Function output aBJ: DHW
circulation pump
3A:1 Function input DE1: Heat-
ing program - changeover
3A:2 Function input DE1: Exter-
nal demand with set flow
temperature.
Flow temperature setting:
Coding address 9b.
Internal circulation pump
function: Coding address
3F
3A:3 Function input DE1: Exter-
nal blocking.
Internal circulation pump
function: Coding address
3E
3A:4 Function input DE1: Exter-
nal blocking with fault mes-
sage input
Internal circulation pump
function: Coding address
3E
3A:5 Function input DE1: Fault
message input