Baxi MK SYSTEM Installation, User And Service Manual page 34

8 Settings
Tab.14
Access path
Heat Pump >
23.5
Parameters, counters,
signals > Advanced
CIRCA > Parameters,
24.5
counters, signals > Settings
Tab.15 Configuration A - by default
Value of the pa­ Value of the BL1
rameter contact config pa­
OTH LogicLev rameter
contact AP098
CP640
Closed (default val­ Closed (default val­
ue) ue)
Closed (default val­ Closed (default val­
ue) ue)
Tab.16 Configuration B
Value of the pa­ Value of the BL1
rameter contact config pa­
OTH LogicLev rameter
contact AP098
CP640
Closed Open
Closed Open
Tab.17 Configuration C
Value of the pa­ Value of the BL1
rameter contact config pa­
OTH LogicLev rameter
contact AP098
CP640
Open Closed
Open Closed
34
2. Configure the heat pump parameters.
On
Parameter Description
BL input setting Adjustment of the blocking input (BL1)
AP001
BL1 contact config BL1 input contact configuration
AP098 Closed: cooling active when BL contact is
closed
Open: cooling active when BL contact is open
OTH LogicLev Circuit contact logic level
contact Closed: heating demand when contact is closed
CP640 Open: heating demand when contact is open
RevContactOTH cool Reverse the contact in cooling mode for the cir­
CP690 cuit demand
No: follows the heating logic
Yes: follows the reverse of the heating logic
3. Select one of the following configurations
The multifunction
input BL1 is:
Open
Closed
The multifunction
input BL1 is:
Open
Closed
The multifunction
input BL1 is:
Open
Closed
Operating mode for If the OT contact is
the heat pump open
Cooling No cooling demand Cooling demand
Heating No heating demand Heating demand
Operating mode for If the OT contact is
the heat pump open
Heating No heating demand Heating demand
Cooling No cooling demand Cooling demand
Operating mode for If the OT contact is
the heat pump open
Cooling Cooling demand
Heating Heating demand
Adjustment required
Heating Cooling
Closed
or
Open
Closed
or
Open
Yes
or
No
If the OT contact is
closed
If the OT contact is
closed
If the OT contact is
closed
No cooling demand
No heating demand
7856310 - v02 - 21122023