Viessmann Vitoladens 300-W Installation And Service Instructions For Contractors page 49

Coding level 2
(cont.)
Coding in the delivered condition
3b:0 Function of input DE2 at EA1 ex-
tension: not assigned
3C:0 Function of input DE3 at EA1 ex-
tension: not assigned
3d:5 DHW circulation pump runtime for
brief operation: 5 min
Possible change
3A:6 Function of input DE1: brief opera-
tion of the DHW circulation pump
(pushbutton function).
DHW circulation pump runtime set-
ting: coding address 3d
3b:1 Function of input DE2: operating
program changeover
3b:2 Function of input DE2: external de-
mand with set flow temperature
Set flow temperature setting: coding
address 9b
Internal circulation pump function:
coding address 3F
3b:3 Function of input DE2: external
blocking
Internal circulation pump function:
coding address 3E
3b:4 Function of input DE2: external
blocking with fault message input
Internal circulation pump function:
coding address 3E
3b:5 Function of input DE2: fault mes-
sage input
3b:6 Function of input DE2: brief opera-
tion of the DHW circulation pump
(pushbutton function).
DHW circulation pump runtime set-
ting: coding address 3d
3C:1 Function of input DE3: operating
program changeover
3C:2 Function of input DE3: external de-
mand with set flow temperature
Set flow temperature setting: coding
address 9b
Internal circulation pump function:
coding address 3F
3C:3 Function of input DE3: external
blocking
Internal circulation pump function:
coding address 3E
3C:4 Function of input DE3: external
blocking with fault message input
Internal circulation pump function:
coding address 3E
3C:5 Function of input DE3: fault mes-
sage input
3C:6 Function of input DE3: brief opera-
tion of the DHW circulation pump
(pushbutton function).
DHW circulation pump runtime set-
ting: coding address 3d
3d:1 Runtime of DHW circulation pump
to adjustable from 1 to 60 min
3d:60
Codes
49