55
Function
Parameter Description
Value range Default value Set value
Min
Max
Min heating water
temperature
120
Code used to select the minimum outdoor temperature of the heating climate curve. 20°C
60°C
35°C
Max heating water
temperature
121
Code used to select the maximum outdoor temperature of the heating climate curve. 20°C
60°C
55°C
Max outdoor air
temperature in cooling
mode
122
Code used to select the maximum outdoor temperature of the cooling climate curve,
which depends on the country where the system is installed.
24°C
46°C
40°C
Min outdoor air
temperature in cooling
mode
123
Code used to select the minimum outdoor temperature of the climate curve in
cooling mode
0°C
30°C
20°C
Min cooling water
temperature
124
Code used to select the minimum water temperature of the climate curve in cooling
mode.
4°C
20°C
4°C
Max cooling water
temperature
125
Code used to select the maximum water temperature of the climate curve in cooling
mode.
4°C
20°C
15°C
Outdoor air temp.
sensor GMC
126
Code used to indicate whether the GMC outdoor air temperature sensor is installed
or not
1. GMC external air temperature sensor installed
2. GMC external air temperature sensor not installed
1
2
2
TO sensor value
127
The code indicates the outdoor air temperature value measured by the TO sensor
-
-
-
Lock
TE sensor value
128
The code indicates the refrigerant temperature value measured by the TE sensor
-
-
-
Lock
TS sensor value
129
The code indicates the refrigerant temperature value measured by the TS sensor
-
-
-
Lock
TD sensor value
130
The code indicates the refrigerant temperature value measured by the TD sensor
-
-
-
Lock
Operating mode
131
The code indicates the current operating mode of the Heat Pump
1. Off
2. Cooling
3. Heating
4. Faulty
5. Defrost
-
-
-
Lock
Compressor max
frequency
132
The code indicates the maximum frequency of the compressor calculated by the
GMC control board
-
-
-
Lock
Requested frequency
133
The code indicates the frequency requested by the system control
-
-
-
Lock
Actual frequency
134
The code indicates the actual compressor frequency
-
-
-
Lock
Compressor run time
135
The code indicates the compressor working hours
-
-
-
Lock
Capacity
136
The code indicates the nominal capacity of the heat pump (kW)
-
-
-
Lock
EWT sensor value
137
N.A.
-
-
-
Lock
LWT sensor value
138
The code indicates the temperature of the water leaving the heat pump read by the
LWT sensor
-
-
-
Lock
TR sensor value
139
The code indicates the temperature of the refrigerant measured by the TR sensor
-
-
-
Lock
Operating mode
140
The code indicates the operating mode requested by the System Control
0. Off
1. Stand by
2. Cooling
3. Heating
4. N.A.
5. N.A.
6. Nominal Heating
7. Nominal cooling
8. Antifreeze protection
9. Defrost
10. High temperature protection
11. Compressor start waiting
12. System error
13. Advanced freeze protection
-
-
-
Lock
Errors
141
The code lists all the error codes detected by the outdoor unit. If there are no errors,
no code is displayed.
-
-
-
Lock
Gmc software version
142
The code indicates the GMC software release
-
-
-
Lock
Gmc software version
143
The code indicates the GMC Software Version
-
-
-
Lock
Water pump run time
144
The code indicates how long the water pump has been operating.
-
-
-
Lock
Current water set
point
145
The code indicates the current water set point set by the system control.
-
-
-
Lock
Clean contact off
146
Code used to set the various SWITCHING OFF logics
1. Standard OFF
2. Controlled OFF cycle (only if the Heat Pump is controlled by clean contact)
1
2
1
Alarm/ ambient air
temperature reached
147
Code used to select the output connected to PIN 5 of the terminal board
1. Alarm signal
2. Signal that the air temperature set point has been reached
1
2
1
