Parameter
Description
Factory setting
CP640
Opentherm Logic level contact of the zone
0 = contact open for heating demand
1 = contact closed for heating demand
1
CP650
Desired reduced room temperature setpoint in cooling mode per zone
Can be set from 20 °C to 30 °C
29
CP690
Reversed Opentherm contact in cooling mode for heat demand per zone
0 =No
1 =Yes
0
CP750
Maximal Zone Preheat time
Can be set from 0 Min to 240 Min
0
CP780
Selection of the control strategy for the zone
0 =Extra Slow
1 =Slowest
2 =Slower
3 =Normal
4 =Faster
5 =Fastest
0
ADV
ADV advanced parameters
Tab.39 ADV CIRCA0 advanced parameters
Parameter
Description
Factory setting
ADV \ CP010
Zone flow temperature setpoint, used when the zone is set to a fixed flow
setpoint.
Can be set from 7 °C to 75 °C
40 °C
ADV \ CP730
Circuit temperature increase factor
Can be set from 0 (very slow) to 5 (very fast)
0
ADV \ CP740
Circuit temperature decrease factor for cooling
Can be set from 0 (very slow) to 5 (very fast)
0
9.1.3
Installer \DHW menu
A domestic hot water sensor must be connected to the EHC–05 PCB to
display these parameters. The DHW circuit is on the EHC–05 PCB.
Tab.40 DP : Domestic Hot Water Parameters = Domestic hot water tank parameters
Parameter
Description
Factory setting
DP004
Anti-legionella protection.
Setting:
0: deactivated
1: weekly
2: daily
0
DP046
Max. flow temperature for domestic hot water production.
Setting: 10 to 70 °C
Default: 70 °C
70 °C
DP047
Maximum authorised duration for domestic hot water production.
Setting: 1 to 10 hours
3 hours
DP048
Minimum heating duration between two domestic hot water production runs:
Setting: 0 to 10 hours
2 hours
DP051
Domestic Hot Water ECO or CONFORT setting
0 =ECO (Only HP)
1 =Comfort (HP+Boiler)
0
DP120
Hysteresis temperature relative to the DHW temperature setpoint
Can be set from 0 °C to 40 °C
15
9 Settings
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