Waterstage WS*K160DA9 Installation And Operating Manual page 53

Split system (3-phase)
Condensation
sensor
Return sensor
Flow sensor
Start/stop
switch
Figure 46 - Electrical wiring, Hydraulic unit (Except installer's connections)
Installation and operating manual "1364 - EN"
CN7 CN30
LED 2
LED 1
CN18
CN16
Connections to the
heat pump regulator
(accessories and options)
(see figure 38, page
M
BX5
M
BX4
M
DO2
Uref
UX
H3
M
H1
X-30
1 2 3 4 5 6 7 8 20 21 22 23 12 131415 17 18 19 16
Connection to terminal block
(see
CN6
CN22
27)
QX7
QX6
QX5
QX3
N
Heating
circulation
pump
N
L
RpECS
figure 37, page 26)
CN1
Timed fuse
3,15 A - 250V
REL2
REL1
RD
RD
A1 B1
BK BK
A2 B2
BN BN
A3 B3
Safety thermostat
BU1 RD2
BN RD
WH1 WH2
BK BK
RD1 BU2
RD BN
Resistance
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