Atlantic alfea extensa duo+ - Page 59

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
ACI
L
N
1
2
3
4
5
L
N
COM
L
gure 47 - Electrical wiring, Hydraulic module (Except installer's connections)
Condensation sensor
Distribution
valve
Power shedding or EJP
Tariffs, 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
Connection to terminal
block and power relays
(see gure 35, page 33)
Connections to the heat
pump regulator
(accessories and options)
(see gure 36, page 33)
Timed fuse
3,15 A - 250V
Installation and operating manual "1578 - EN" - 59 -
Heat Pump alféa extensa duo +