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3.2
Electrical connections
The electrical connections, to be made by an authorised company
or by professionally qualified personnel
diagram below.
m
WARNING
For the electrical connections of the Diesel Heating
Units, DO NOT use the 2 Relay board supplied with
the Hybrid Kit .
Boiler sheet
CN13
CN15
CN14
CN3
SC2
CN5
CN6
System delivery sensor
T1
System delivery pump
PMI
CR
Remot control
Room thermostat
TA
Boiler board
SC2
Connections to be made to the Heat Pump:
– T1 System delivery sensor
– PMI System delivery pump
– CR Remot control
– TA Room thermostat
, are summarised in the
Heat pump SHP M PRO
CN5
CN28
CN21
CN25
CN32
CN29
CN42
CN22
1
2
3
13
14
15
5
6
Before carrying out the operations described below:
– Set the system's main switch to "OFF".
– Close the gas valve.
a
ATTENTION
Attach the warning label, included with the supply, on the
boiler in a clearly visible position.
CN8
S1
S2
CN33
S3
CN4
SW9
10
10
4
5
6
7
8
9
11
12
21
16
17
18
19
20
22
23
24
CN11
21
Input voltage (HA/HB) = 18 VDC
(cable max. L = 50 m, cross-sectional
size = 0.75 mm² shielded and
T1
PMI
Hybrid Kit
a
WARNING
DO NOT use the system delivery sensor (SMI) sup-
plied with the Hybrid Kit ; use the one supplied with
the Heat Pump.
CN6
CN24
CN23
CN13
CN37
CN15
CN38
CN18
TA
CN64
CN27
CN31
HT
COM
CN17
T1
3
4
1
2
3
4
5
6
7
8
9
10
CN30
CR
braided with 2 wires)
Fig. 15
47
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