1 2 3 4 5 6 7 8
16
20 21 22 23 131415 17 18 19
L
N
A1 B1
QX7
DO2
M
H3
M
H1
Uref
UX
QX3
N
RpECS
QX6
QX5
BX5
M
M
BX4
X-30
12
A2 B2
A3 B3
K
K
K1
RD1
RD2
BU1
BU2
WH1
WH2
2A1
1A2 2A2
1A1
214 114
124
224
211 121 111
221
REL2
REL1
CN1
CN6
CN30
CN7
CN18
CN16
CN22
LED 2
LED 1
BN
BK
RD
RD
BK
BN
RD
BK
BN
RD
BK
BN
Condensation
sensor
Return sensor
Timed fuse
3,15 A - 250V
Flow sensor
Heating
circulation
pump
Safety thermostat
Start/stop
switch
Resistance
Figure 46 - Electrical wiring, Hydraulic unit (Except installer's connections)
Installation and operating manual "1364 - EN"
- 51 -
Heat pump split single service 3 phase