23
English
Code
Nr.
Level
Variable Name
DESCRIPTION
VALUE RANGE
DEFAULT
Min
Max
150
Inst.
CDU SENSOR VALUES
Use Days button to read below values:
-
-
-
1. Outdoor T°
2. Outdoor unit Coil T°
3. Compressor Suction T°
4. Compressor Discharge T°
151
Inst.
FREQUENCIES
Use Days button to read below values:
-
-
-
0. Maximum Compressor frequency allowed by System Control
1. Compressor frequency requested by System Control
2. Actual compressor frequency
152
Inst.
TEMP DISP
Installer can check temperatures at this code; Use Days button to read below values:
-
-
-
0. Tank Temperature
1. LWT
2. Refrigerant Temperature
3. Temperature of Sanitary Hot Water
4. Water Temp of Zone 1
5. Water Temp of Zone 2
6. Tank2 Temperature
7. Room sensor connected to slave board
153
Inst.
CURRENT WSP FOR
ZONES
Current water setpoint defined by the system control for the different zones
-
-
-
Use Days button for reading the below:
0. Water setpoint for Zone 1
1. Water setpoint for Zone 2
2. Current water setpoint
154
Inst.
RUNTIME
Use Days button to display the below values. Real values are displayed values multiplied
by 10.
-
-
-
0. Compressor run time (hours)
1. Water pump Run time (hours)
2. Backup heater 1 run time (hours)
3. Backup heater 2 run time (hours)
155
Inst.
RESET
Use Days button to select the below mentioned functions:
0
1
0
0. Compressor run time Reset
0: No Reset
1: Reset
1. Water pump run time reset
0: No Reset
1: Reset
2. Backup heater 1 run time
0: No Reset
1: Reset
3. Backup heater 2 run time
0: No Reset
1: Reset
Software & Matching
156
Inst.
CDU CAPACITY
Outdoor unit capacity
-
-
-
157
Inst.
NUI SW VERSION AND
RELEASE
User interface software version
158
Inst.
GMC SW VERSION AND
RELEASE
System control software version & release
Note:
- Cycle power after modifying Installer parameters
- Take special care in setting System setup parameters
- Parameters referring to the units with 2-zone kit are shown in gray.
4.1 - Heating/Cooling Mode
Select Heating/cooling:
• By pressing the mode (M) button on the user interface
• Through external contacts if code 106.4 is set to 0 (see
paragraph
Input Related Functions
).
The water temperature is determined according to the
outside air temperature, through a climatic curve that the
installer is free to set.
The room temperature setpoint is set by the user (see user
interface manual).
In heating/cooling modes, the system will also take care of
domestic hot water production (if combined with domestic
hot water tank).
Water frost protection is active.
4.1.1 - Climatic curves
In heating/cooling modes, the water setpoint is determined
through climatic curves.
Code 112 for heating and code 119 for cooling allow
selecting between pre-set climatic curves or custom
climatic curves.