56
Installation and operating manual “1350-EN”
Heat pump, Split, single service
CN9
CN1
CN2
CN4
CN5
CN14
CN15
CN7
CN8
CN103
CN106
CN114
CN105
CN113
CN116
CN104
M
BX5
M
BX4
M
DO2
M
DO1
QX7
QX6
QX5
QX3
N
N
L
Uref
UX
H3
M
H1
A1 A2
B1 B2
A1 A2
B1 B2
2a 2b
1a 1b
1 2 3 4 5 6 7 8 9 10 11
1213141516
17 1819
RpECS
Rp1
Rp2
X50
ou
X30
Condensation
sensor
Return sensor
Flow sensor
Heating circulation pump
Resistance 2
of the back-up unit
Resistance 1
of the back-up unit
Safety thermostat
Start/stop
switch
Timed fuse
3,15 A - 250V
Figure 49 - Electrical wiring, Hydraulic module (Except installer's connections)
Connection to terminal block and
power relays (see figure 37, page 28)
Connections to the heat pump
regulator (accessories and
options) (see figure 38, page 29)