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