gure 52 - Electrical wiring, Hydraulic unit (Except installer's connections)
Installation and operation manual "1734 - EN"
Heat pump air/water split 1 service alféa extensa +
- 72 -
Option
Ou/
Or
Ou/
Or
3 2 1
3 2 1
C.C
0/I
2a
1a
1b
2b
EX1
EX2
EX3
L
N
1
2
3
4
5
L
N
COM
L
L
N
X10
X11
X12
X13
X14
X15
X30
X50
X70
X75
X80
X82
X83
X84
X86
X100
X60
3
2
1
M
BK
BN
BU
RP ECS
L
N
L
N
230V
CN21
T3.15AH250V, 5x20 mm, IEC 60127-1
T6.3AH250V, 5x20 mm, IEC 60127-1
FUSE 250V/3.15A
FUSE 250V/6.3A
Condensation sensor
Controller
board
Interface
board
External device connection
Flow sensor
User interface
Return sensor
Power shedding
Tariffs peak times
Off peak times
External Defaults
Connections to the heat
pump regulator
(accessories and options)
(see gure 41, page 42)
Connection to terminal block
and power relays
(see gure 40, page 42)