Baxi MK SYSTEM Installation, User And Service Manual page 45

Signals
Status Appliance
AM012
Sub status Appliance
AM014
System Flow Temp
AM016
Water pressure
AM019
3 way valve
AM037
Flow rate
AM056
Internal setpoint
AM101
HP flow T.
HM001
HP return T.
HM002
HP flow T setpoint
HM003
BL1 contact position
HM004
BL2 contact position
HM005
Relative humidity
HM006
Compressor
HM008
ODU defrost
HM009
Backup1
HM012
Backup2
HM013
HP flow T average
HM020
Start compressor
HM030
HP cooling setpoint
HM033
Delay StartBackup CH
HM056
7856310 - v02 - 21122023
Description of the signals
Current main status of the appliance.
Current sub status of the appliance.
Flow temperature of appliance. in °C
Water pressure of the primary circuit. in bar
Status of the three way valve
CH
DHW
Wate flow rate in the system in l/min
Internal system flow temperature setpoint in °C
Heat pump flow temperature in °C
Heat pump return temperature in °C
Heat pump flow temperature setpoint in °C
BL1 contact position
Open
Closed
Off
BL2 contact position
Open
Closed
Off
Relative humidity measured by the humidity sensor in %
Compressor operation
Off
On
ODU defrost mode in progress
No
Yes
First stage of backup operation
Off
On
Second stage of backup operation
Off
On
Heat pump flow temperature average in °C
Request to start compressor
No
Yes
Heat pump flow temperature setpoint in cooling mode in °C
Delay time for starting the backup energy source for central heating in min
9 Parameters
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