22
English
Code
Nr.
Level
Variable Name
DESCRIPTION
VALUE RANGE
DEFAULT
Min
Max
Domestic Hot Water
133
Inst.
SHW CARREXT
Defines if Domestic hot water is managed by the system control or by an external control.
1
3
3
1. Managed by system control
2. Managed by system control with Solar
3. Managed by external control
If domestic hot water tank is not installed set code to 3 and set code 106.0 = 0
134
Inst.
SHW MAX HP T°
If domestic hot water temperature is equal to or higher than this value, domestic hot water
priority is 0
40 °C 80 °C
55 °C
135
Inst.
SHW DELTA MED T°
If domestic hot water temperature is equal to code 134 - this code, domestic hot water
priority is 0.5
1 °C
15 °C
5 °C
136
Inst.
SHW DELTA ALARM T°
If domestic hot water temperature is equal or lower to code 134 - code 135 - this code,
domestic hot water priority is 1
1 °C
15 °C
5 °C
137
Inst.
ROOM DELTA MED T°
In heat mode: If room temperature is Room Setpoint - this code, roomroom priority is 0.5
0.5 °C 5 °C
1 °C
In cool mode: If room temperature is Room Se this code, room priority is 0.5
138
Inst.
ROOM DELTA MIN T°
In heat mode: If room temperature is Room Setpoint - code 137 - this code, room priority
is 1
In cool mode: If room temperature is Room Se code 137 + this code, room priority
is 1
0.5 °C 5 °C
1 °C
139
Inst.
BOILER WAIT TIME
Time delay after which the boiler will be activated if domestic hot water priority does not
decrease due to heat pump operation.
0
180
15
If 0 is selected, boiler does not turn on to support the domestic hot water production.
140
Inst.
LEGIONELLA FREQ
Define how often (days) the disinfection cycle starts.
0
7
0
If 0 is selected, Disinfection is not performed.
141
Inst.
LEGIONELLA START TIME Start time of the Disinfection cycle (hours)
0
24
3
142
Inst.
LEGIONELLA TEMP
T° to be reached in the Disinfection cycle
60
90
75 °C
143
Inst.
LEGIONELLA DURATION
Disinfection dwell time (minutes). T° has to be equal to or higer than code 142 for this time
period.
5
180
30
144
Inst.
LEGIONELLA TIME OVER
If Disinfection cycle is not completed within this time (hours), the antilegionalla cycle is
considered failed.
2
12
4
Service/Reading
145
Inst.
OUTPUT TEST
Allows to force board output ON
0
6
0
0. No Test
1. J7 Pin1
2. J7 Pin2
3. J7 Pin3
4. J7 Pin4
5. J4 Pin3
6. J4 Pin5
146
Inst.
FLOW SWITCH STATUS
Displays the Flow Switch status:
-
-
-
1. Water Flowing
0. Water not flowing
147
Inst.
FORCED MODE
Allows to force the system in a specific operating mode:
-
-
0
0. No forced mode selected
4. Booster Heat: Heating at the maximum frequency
5. Booster Cool: Cooling at the maximum frequency
6. Rating Heat: Not to be used by installer
7. Rating Cool: Not to be used by installer
10. Pump down: Activates the outdoor unit in cool mode for 5 minutes to perform pump
down of the refrigerant
148
Inst.
SYSTEM MODE
Operating mode requested by the System Control:
-
-
-
0. Off
1. Standby
2. Cooling
3. Heating
4. Booster Heating
5. Booster Cooling
6. Rating Heating
7. Rating Cooling
11. Timeguard
12. Fail
149
Inst.
CDU MODE
Actual CDU operating mode:
1. Off
2. Cool
3. Heat
4. Fail
-
-
-
5. Defrost
