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Control Box
2 1 5 DHW sensor
If the installation is equipped with a DHW tank (with
electric back-up) :
- Place the domestic hot water sensor in the housing for
the cylinder sensors.
- Connect the domestic hot water sensor to terminal
BX1 and M (see
figure
Heat pump
L
N
1
2
Electricity
Interconnection between
supply 230 V
the heat pump and the
control box
Outdoor sensor
DHW sensor*
Room thermostat*
Room control unit*
*
options
** If the control device does not provide a potential-free contact, the contact must be relayed to create equivalent wiring.
In all cases, please refer to the instruction manuals for the external components (load limiting device, power meters) to create the wiring.
• Cable section for outdoor sensor, room thermostat and room control unit
For the outdoor sensor, use a 2 x 0,75 mm² cable.
For the room thermostat, use a 2 x 0,5 mm² telephone type cable.
For the room control unit, use a 3 x 0,5 mm² telephone type cable.
- 8 -
8).
3
figure 7 - Connections to terminals
M
B9
M
BX1
CL-
CL+
2
1
ou
G+
3
CL-
2
CL+
1
figure 8 - Connections to regulator (accessories and options)
green / yellow
red
blue
brown
1
2
3
4
5
6
L
N
COM
OUTDOOR
UNIT
QX4
N
EX6
EX5
EX4
7
8
9
10
11
12
13
14
15
N
L
L
N
L
N
BOILER
BOILER
DHW. BACK UP
CONNECT.
VALVE
SUPPLY
Control box
5
M
DHW distribution
valve*
External fault
Tariffs,
day / night,
peak times/
off-peak times
Power shedding
or EJP
(peak day removal)
Installation and operating manual "1395 - EN"
16
17
18
19
L
N
DHW. BACK UP
CONNECT
- - -
options
External
component
contact**
(faults, load
shedder,
power meter)
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