Coding
48
Coding Level 2
(continued)
Overview of coding addresses
(continued)
Coding (factory default setting)
Possible change
Boiler circuit, mixing valve circuit
A9:7
With pump stop function: Heating circuit
pump ”OFF” if the setpoint changes
A9:0
Without pump stop function
pump ”OFF” if the setpoint changes
through a change in operating mode or
through a change in the room
temperature setpoint
A9:1
to
A9:15
With pump stop function; adjustable from
1 to 15
b0:0
*1
With remote control:
Heating mode / reduced mode:
With outdoor reset
b0:1
Heating mode: With outdoor reset
Reduced mode: With room temperature
feedback
With outdoor reset
b0:2
Heating mode: With room temperature
feedback
Reduced mode: With outdoor reset
b0:3
Heating mode / reduced mode:
With room temperature feedback
b1:0
Do not adjust
b2:8
*1
With remote control unit and for heating
circuit, operation with room temperature
b2:0
No room influence
b2:8
With remote control unit and for heating
circuit, operation with room temperature
feedback must be programmed:
Room influencing factor 8
b2:1
to
b2:31
Room influence factor adjustable from 1 to 31
b3:0
Do not adjust
b5: 0
*1
With remote control:
Without room temperature dependent
heating circuit pump logic function
Note:
T=Temperature difference
b5:1
Heating circuit pump
ON at RT
actual
> RT
set
+
T
OFF, at RT
actual
< RT
set
+
T
T for ON
T for OFF
4K
/
7F
5K
/
9F
Note:
T=Temperature difference
b5:2
3K
/
5F
4K
/
7F
b5:3
2K
/
4F
3K
/
5F
b5:4
1K
/
2F
2K
/
4F
b5:5
0K
/
0F
1K
/
2F
b5:6
-1K
/
-2F
0K
/
0F
b5:7
-2K
/
-4F
-1K
/
-2F
b5:8
-3K
/
-5F
-2K
/
-4F
C5:20
Electronic minimum supply temperature
limit 68°F / 20°C
C5:1
to
C5:127
Minimum temperature limit adjustable from 34
to 261°F / 1 to 127°C (limited by the boiler
coding card)
C6:74
Electronic maximum supply temperature
limit 165°F / 74°C
C6:10
to
C6:127
Maximum temperature limit adjustable from
50 to 261°F / 10 to 127°C (limited by the
boiler coding card)
d3:14
Heating curve slope = 1.4
d3:2
to
d3:35
Heating curve slope adjustable from 0.2 to 3.5
(see page 31).
d4:0
Heating curve shift = 0
d4:-13
to
d4:40
Heating curve shift adjustable from -13 to 40 K
(see page 31)
*1
Change coding – for heating circuit without mixing valve A1 only for boilers without lower temperature limit
– for heating circuit with mixing valve M2 only, if remote control unit affects this heating circuit.
5
4
4
3
2
0
7
v
1
.5
