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Controller operation
Code
Level
Variable Name
Nr.
126 Inst.
AUX NUMBER
127 Inst.
BACKUP ELECBOIL
128 Inst.
EH PRIORITY
129 Inst.
AUX T° O
130 Inst.
AUX HYST
131 Inst.
AUX DELAY
132 Inst.
OAT BOILER
133 Inst.
SHW CARREXT
134 Inst.
SHW MAX HP T°
135 Inst.
SHW DELTA MED T°
SHW DELTA ALARM
136 Inst.
T°
ROOM DELTA
137 Inst.
MED T°
ROOM DELTA
138 Inst.
MIN T°
139 Inst.
BOILER WAIT TIME
140 Inst.
LEGIONELLA FREQ
LEGIONELLA START
141 Inst.
TIME
142 Inst.
LEGIONELLA TEMP T° to be reached in the Disifection cycle
80AWX- 80AWH
20
DESCRIPTION
Backup heaters
Number of backup heaters
0. No backup heaters
1. 1 backup heater (to be selected in case of boiler backup)
2. 2 backup heaters (2nd backup heater activated after 1st
backup heater)
Defines the backup energy source:
1: Electrical heater
2: Gas boiler
This code is defining the electric heater priority between
back-up heaters (space heating) and booster heater (sanitary
hot water). It is only active if code 127=1
0. All electric heaters can be activated at the same time, in
case of demand
1. Maximum 2 electric heaters can be activated; booster
heater has the lowest priority
2. Maximum 1 electric heater can be activated; back-up
heater 1 has the highest priority (backup heater 2 never
on)
3. Maximum 2 electric heaters can be activated; booster
heater has the lowest priority (backup heater 2 never
on)
4. Maximum 1 electric heater can be activated; booster
heater has the highest priority (backup heater 2 never
on)
The outdoor T° must be below this value to allow the backup
heaters to be ON (unless there is a failure stopping the
outdoor unit and code 1.4 = 1)
If the difference between water setpoint and water
temperature is higher than this value, backup heaters are
allowed to turn on
Time delay (minutes) before switching the backup heaters
ON
If, in Heat mode, the Outdoor temperature is less than the
value of this code, the outdoor unit is turned OFF and the
Boiler is used as heat source. Set to minimum value if you
don't want to activate this function.
Domestic Hot Water
Defines if Domestic hot water is managed by the system
control or by an external control.
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 106.1 = 0
If domestic hot water temperature is equal or higher than
this value, domestic hot water priority is 0
If domestic hot water temperature is equal to code 134 - this
code, domestic hot water priority is 0.5
If domestic hot water temperature is equal or lower to code
134 - code 135 - this code, domestic hot water priority is 1
In heat mode: if room temperature is Room Setpoint - this
code, room priority is 0.5
In cool mode: if room temperature is Room Setpoint + this
code, room priority is 0.5
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 Setpoint + code
137 + this code, room priority is 1
Time delay after which activating the boiler if domestic
hot water priority does not decrease due to heat pump
operation.
If 0 is selected, boiler does not turn on to support domestic
hot water production
Define how often (days) the disinfection cycle starts
If 0 is selected Disinfection is not performed.
Start time of the Disinfection cycle (hours)
VALUE RANGE
DEFAULT
Min
Max
0
2
0
80AW---M0: 2
1
2
Others: 1
0
4
0
-30°C +40°C
+4°C
0°C
10°C
3°C
0
60
10
-30°C +40°C
-5°C
1
3
3
40°C
80°C
55°C
1°C
15°C
5°C
1°C
15°C
5°C
0,5°C
5°C
1°C
0,5°C
5°C
1°C
0
180
15
0
7
0
0
24
3
60
90
75°C
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