figure 50 - Electrical wiring, Hydraulic module (Except installer's connections)
X10
X11
X12
X13
X14
X15
X30
X50
X70
X75
X80
X82
X83
X84
X86
X100
C.C
X60
Ou/ Or
Ou/ Or
0/I
M
2a
1a
1b
2b
EX1 EX2 EX3
BK BN BU
L
N
B2
M
B1
3
2
1
RP ECS
L
N
L
N
230V
AC
I
L
N
1
2
3
4
5
L
N
CO
M
L
Connection to terminal block and power relays
(see
figure 41, page 35
)
Connections to the heat
pump regulator
(accessories and options)
(see
figure 39, page 33
)
Condensation
sensor
Distribution
valve
Power shedding or EJP
Tarif
fs, day / night External fault
DHW sensor
Initial sensor
Return sensor
DHW Resistance
of the back-up unit
Start/stop
switch
External component contact
DHW storage tank
Eloctrode
Timed fuse
3,15
A - 250V
Installation and operating manual "1572 - EN"
Heat pump air/water split 2 services alféa excellia duo
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