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3
Software functions
3.16 Auxiliary heating
In addition to the heating effect achieved using the refrigerant circuit, the controller can handle other sources of heating such
as electric heaters and a hot water coil with an OK signal to a boiler or a burner.
The logic featured in the controller is set up at the factory, based on the unit configuration.
The function to enable heating and the operating logics can be customised.
The parameters concerned are shown in the table.
Parameter
Min
STH53
5.0
STH54
20.0
STH55
0
STH56
0
STH57
0
STH58
10.0
STH59
0.0
STH60
0.0
STH61
0
STH62
0
STH64
0
STH65
0
STH66
0
STH70
0.0
STH72
0
STH81
0
STH84
0.0
STH85
0.0
STH91
0
STH93
0.0
STH94
0.0
STH95
0
STH96
0
STH98
0
STH99
0
STH100
0
STH104
0.0
STH106
0
STH118
0.0
STH119
0.0
STH123
-100.0
Service manual
76
Max
UM
Description
Auxiliary heating - CO unit - Temperature threshold on return line for winter
27.0
°C
operation
Auxiliary heating - CO unit - Temperature threshold on return line for sum-
55.0
°C
mer operation
3
-
Auxiliary heating - Configuration
1
-
Auxiliary heating - Summer oper. - Regulation probe
1
-
Auxiliary heating - Summer oper. - Type of temperature control
35.0
°C
Auxiliary heating - Summer oper. - Setpoint
25.0
°C
Auxiliary heating - Summer oper. - Proportional - Temperature offset
25.0
°C
Auxiliary heating - Summer oper. - Proportional - Activation differential
100
%
Auxiliary heating - Summer oper. - Proportional - Minimum request
100
%
Auxiliary heating - Summer oper. - Proportional - Maximum request
10000
-
Auxiliary heating - Summer oper. - PID - Kp
10000
-
Auxiliary heating - Summer oper. - PID - Ki
10000
-
Auxiliary heating - Summer oper. - PID - Kd
25.0
°C
Auxiliary heating - Summer oper. - PID - Dead band
2
-
Auxiliary heating - Summer oper. - PID - Dead band position
10000
-
Auxiliary heating - Summer oper. - PID - Manual override (0 = Disabled)
100.0
%
Auxiliary heating - Summer oper. - PID - Min. output
100.0
%
Auxiliary heating - Summer oper. - PID - Max. output
1
-
Auxiliary heating - Winter oper. - Type of temperature control
25.0
°C
Auxiliary heating - Winter oper. - Proportional - Temperature offset
25.0
°C
Auxiliary heating - Winter oper. - Proportional - Activation differential
100
%
Auxiliary heating - Winter oper. - Proportional - Minimum request
100
%
Auxiliary heating - Winter oper. - Proportional - Maximum request
10000
-
Auxiliary heating - Winter oper. - PID - Kp
10000
-
Auxiliary heating - Winter oper. - PID - Ki
10000
-
Auxiliary heating - Winter oper. - PID - Kd
25.0
°C
Auxiliary heating - Winter oper. - PID - Dead band
2
-
Auxiliary heating - Winter oper. - PID - Dead band position
100.0
%
Auxiliary heating - Winter oper. - PID - Min. output
100.0
%
Auxiliary heating - Winter oper. - PID - Max. output
100.0
°C
Auxiliary heating - Deactivation threshold for low external air temperature
Daikin R32 Rooftops UATYA-B
ESIE21-02 – 2021.03
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