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11.6 Parameter list
The parameters are set at the factory in accordance with the table below. These parameters can only be
changed using the service code. Please note: Installers must be fully versant with the below parameters,
incorrect adjustment or setting can damage the equipment.
Parameter Category Setting
Default
value Description/Setting range
P000P000
General Device in use. 1
0 = no
1 = yes
P004P004
Connections
Room heating connected to the
system
1
0 = no
1 = yes
P006P006
Connections External outdoor sensor connected. 0
0 = no
1 = yes
P007P007
Connections Source of the external temperature. 0
0 = automatic. (external sensor,
internet, outdoor unit sensor)
1 = external outdoor sensor T42 (P006 = 1)
2 = internet
3 = outdoor unit sensor
4 = CH-Boiler (via OpenTherm)
P009P009
Connections not applicable - deactivated
P010P010
Connections not applicable - deactivated
P011P011
Connections not applicable - deactivated
P015P015
Calibration External outdoor sensor T42. 0.0 -12.7 ºC to 12.7 ºC (increments of 0.1)
P016P016
Calibration Return sensor T04. 0.0 -12.7 ºC to 12.7 ºC (increments of 0.1)
P017P017
Calibration Flow sensor T03. auto -12.7 ºC to 12.7 ºC, auto
P018P018
Calibration External temperature flow sensor T43. auto -12.7 ºC to 12.7 ºC, auto
P020P020
Connections
Setting minimum CH pressure
threshold value
0.5 0.0 to 4.0 bar (increments of 0.1 bar).
P021P021
Connections
Use of the OpenTherm pressure sensor
in the existing boiler.
1
0 = Does NOT use the OpenTherm pressure
sensor
1 = DOES use the OpenTherm pressure sensor
P064P064
Connections
Heating demand input type through
Connector X2 (contacts 5 and 6)
1
0 = deactivated (Opentherm default)
1 = ON/OFF based on heating demand
P065P065
Connections
Heating demand input type through
Connector X2 (contacts 3 and 4)
- deactivated
P066P066
Connections
Function of digital output 1 relay
(Connector X3, contacts 7, 8 and 9)
0
0 = not in use
1 = signal, cooling active
2 = signal, heating active
3 = control of the secondary CH pump
4 = Hybrid boiler ON/OFF
5 = indoor unit on (P000 = 1)
6 = secondary pump (even during defrosting)
7 = locked status
8 = locked/notification status
9 = heat pump malfunction
10 = Sec. pump (active during heat pump and
boiler)
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