Carrier 80AWX Series - Page 20

20
English
80AWX- 80AWH
Controller operation
Backup heaters
126 Inst. AUX NUMBER
Number of backup heaters
0 2 0
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)
127 Inst. BACKUP ELECBOIL
Denes the backup energy source:
1 2
80AW---M0: 2
Others: 1
1: Electrical heater
2: Gas boiler
128 Inst. EH PRIORITY
This code is dening 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 4 0
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)
129 Inst. AUX T° O
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)
-30°C +40°C +4°C
130 Inst. AUX HYST
If the dierence between water setpoint and water
temperature is higher than this value, backup heaters are
allowed to turn on
0°C 10°C 3°C
131 Inst. AUX DELAY
Time delay (minutes) before switching the backup heaters
ON
0 60 10
132 Inst. OAT BOILER
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.
-30°C +40°C -5°C
Domestic Hot Water
133 Inst. SHW CARREXT
Denes 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 106.1 = 0
134 Inst. SHW MAX HP T°
If domestic hot water temperature is equal 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, room priority is 0.5
0,5°C 5°C 1°C
In cool mode: if room temperature is Room Setpoint + 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
0,5°C 5°C 1°C
In cool mode: if room temperature is Room Setpoint + code
137 + this code, room priority is 1
139 Inst. BOILER WAIT TIME
Time delay after which activating the boiler 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 domestic
hot water production
140 Inst. LEGIONELLA FREQ
Dene 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 Disifection cycle 60 90 75°C
Code
Nr.
Level Variable Name DESCRIPTION
VALUE RANGE
DEFAULT
Min Max