100
Coding in the delivered condition
Possible change
Internal circulation pump function:
Coding address "3F" in this group.
3b:3
Function of input DE2: External
blocking.
Internal circulation pump function:
Coding address "3E" in this group.
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 DHW circulation pump (key-
pad function).
Adjusting DHW circulation pump
runtime: Coding address 3d
3C:0
Function of input DE3 at EA1 ex-
tension:
No function
3C:1
Heating program - changeover
3C:2
External demand with set flow tem-
perature.
Set value setting: Coding address
"9b" in this group.
Internal circulation pump function:
Coding address "3F" in this group.
3C:3
External blocking.
Internal circulation pump function:
Coding address "3E" in this group.
3C:4
External blocking with fault message
input
Internal circulation pump function:
Coding address "3E" in this group.
3C:5
Fault message input
3C:6
Brief operation of DHW circulation
pump (keypad function).
Adjusting DHW circulation pump
runtime: Coding address "3d" in this
group
3d:5
Runtime of DHW circulation pump
during brief operation: 5 min
3d:1
to
3d:60
Runtime of DHW circulation pump
adjustable from 1 to 60 min
3E:0
Internal circulation pump stays in
control mode on signal "External
blocking".
3E:1
Internal circulation pump stops on
signal "External blocking".
3E:2
Internal circulation pump starts on
signal "External blocking".
3F:0
Internal circulation pump stays in
control mode on signal "External
demand".
3F:1
Internal circulation pump stops on
signal "External demand".
3F:2
Internal circulation pump starts on
signal "External demand".
4b:0
Function of input
lH
: No function
4b:1
External demand
4b:2
External blocking
51:0
The internal circulation pump al-
ways starts when there is a heat
demand.
51:1
System with low loss header:
Codes
Coding level 2
(cont.)
5775 636 GB
Codes
Summary of Contents for C3TB
Page 136: ...136 Troubleshooting Repairs gas condensing module cont 5775 636 GB Diagnosis ...
Page 143: ...143 Parts lists Heat cell assembly 5775 636 GB Components ...
Page 160: ...160 Parts not shown 0009 PCB IU100 B30 Parts lists Fuel cell assembly 5775 636 GB Components ...
Page 161: ...161 Parts lists Fuel cell assembly cont 5775 636 GB Components ...
Page 187: ...187 5775 636 GB ...