SATK40 & Procyl
®
12
Electrical Wiring
The HIU must only be connected by a qualified technical
personnel in accordance with national regulations and/or
relevant local requirements.
Make sure the electrical system can withstand the maximum
power consumption of the HIU, in particular the cross section
of the cables.
Electrical Wiring
Electrical safety of the HIU is only achieved when it is
correctly earthed as specified in current safety regulations.
FUSE 5x20
1
2
3
4
5
6
7
8
16
16
(potencial
contact)
FUSE 5x20
15
14
11
N
L
17
18 19
20
230 Vac
Timer
Dual Cylinder
Thermostat
DHW Zone
Valve
Room Stat
12
Relay
Fused Switch
21
22
6
7
10
11
1
2
3
4
2 5
Com
N SL
L N E
HW On
1 2 3
8
4
CH On
8
9
9 2 10 11
1 2 3
L
N
E
Wiring Centre
7
8 9 10 11
1 2 3
4
5 6
5
2
6 7
L N
Br
Bl
Gr
Or
* Not supplied - w iring to be made during
installation
† Connections not shown
Item
Item/Connection
1
Not required
2
DHW priority flow meter
3
Flow temp. compensation return probe
4
DHW control valve actuator
5
Thermal safety thermostat
6
Pressure switch
7
Heating flow temperature probe
8
Diverting valve actuator
9
Earth†
10
Pump†
11
Electrical supply 230 V (ac)*
12
Room thermostat*
13
Fuse
14
Storage cylinder thermostat*
15
Electricity connection box
16
Electronic controller
17
Heating & hot water timer*
18
High limit thermostat on cylinder*
19
Temperature control thermostat*
20
Motorised valve controlling cylinder*
21
Relay*
22
Wiring centre*
