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NA 12.46 A
©2012
CIAT
NA 12.46 A
installation instructions
[18]
V05.2012
LIST OF VARIABLES (volatile points)
Number
Name
Description
Setting range/Value
Read/Write/
Do not change
Channel Slave
0
HVACModeEff name
According to mode object (comfort, standby, economy, frost
protection) provided by master device
Values 1=Comfort/2=Stdby/3=Eco/4=Frost
protection
Write only
1
HVACModeOptim
Override mode (comfort, standby, economy, frost protection)
provided by supervisor
0=Auto/1=Comfort/2=Stdby/3=Eco/4=Frost
prot.
Write only
2
ContrMode
Special functions (provided by supervisor)
0=Auto/1=Heating/3=Cooling/9=Ventilation/
10=Free cooling
Write only
3
EnableHeat
Heating authorisation
0 = Disabled/1= Enabled
Write only
4
EnableCool
Air conditioning authorisation
0 = Disabled/1= Enabled
Write only
5
ChangeOverStatusWater
Central changeover
0 = Cooling/1 = Heating
Write only
6
TempOutside
Outdoor temperature
Temp. value in °C
Write only
7
TempRoomSetpSetHeatEff Heating setpoints provided by master device (comfort, standby,
economy)
Three temp. values in °C
Write only
8
TempRoomSetpSetCoolEff Air conditioning setpoints provided by master device (comfort,
standby, economy)
Three temp. values in °C
Write only
9
FanSpeedUser
Manual speed set via the user terminal (CIAT or KNX)
Values of 0 to 100% LS 33% MS 66% GS
100%
Write only
10
FanManual
Auto/Man. speed selection via user terminal (CIAT or KNX)
0=Auto/1=Man.
Write only
11
AQSetpEff
Air quality setpoint provided by master device
CO2 value in ppm
Write only
12
HumRelSetpDehumEff
Dehumidification setpoint provided by master device
Relative humidity value in %
Write only
13
TempRoom
Ambient temperature provided by user terminal (CIAT or KNX)
Temp. value in °C
Write only
14
TempReturnAir
Return air temperature provided by master controller
Temp. value in °C
Write only
15
TempFlowWater
Water temperature (local changeover) provided by master
device
Temp. value in °C
Write only
16
AQRoom
Air quality in ppm
CO2 value in ppm
Write only
17
HumRelRoom
Relative humidity level in %
Relative humidity value in %
Write only
18
OnOff
On/Off control for synchronised output
0 = OFF/1 = ON
Write only
19
EnableAlarmInfo
Enable sending of AlarmInfo
0 = Disabled/1= Enabled
Write only
20
EnableAlarmText
Enable sending of AlarmText
0 = Disabled/1= Enabled
Write only
21
Filter counter reset
Alarm acknowledgement (dirty filter)
0 = No action/1 = Acknowledge
Write only
22
ElectricalpowerLimitation
Electric heater power limitationin %
Values of 0 to 100%
Write only
23
PRelChiller
Relative power supplied by the production of cold waterin %
values of 0 to 255%
Write only
24
PRelBurner
Relative power supplied by the production of hot waterin %
values of 0 to 255%
Write only
25
InfoEnergyDemandAC
Cold water demand from master to slave by positioning of
actuators
values of 0 to 255%
Write only
26
InfoEnergyDemandAH
Hot water demand from master to slave by positioning of
actuators
values of 0 to 255%
Write only
27
InfoEnergyDemandAir
Fresh air demand from master to slave by positioning of
actuators
0 or 100%
Write only