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3.6 Electrical installation
Fixed electric fittings should be used for installa-
tion in new homes or when changing an existing
electrical setup in accordance with regulations. A
mains cable with plug for wall socket can be used
when replacing the product without changing the
electrical setup. Any fixed electric fittings must be
installed by an authorised electrician. The relevant
standards and regulations must be followed.
3.6.1 Electrical components
Component
Safety thermostat
Work thermostat
Heating element
Mains cable with plug
Internal wires
3.6.2 Electrical connections in the junction box
Constant voltage present at terminals R and S.
Before any electrical work is done, the power
supply must be disconnected and secured
against activation while the work is in progress.
A) Blue wire (R) – Neutral – connected to point
'1' on the safety thermostat.
B) Brown wire (S) – Live – connected to
point '3' on the security thermostat.
C) Yellow wire with green stripe
connected to terminal on the heating element
(hexagonal brass)
D) Internal wires from the element to the ther-
mostat are connected to point '4' on the
safety thermostat and point '2' on the work
thermostat. See illustration.
3.6.3 Torque settings
Component
5/4" heating element
Thermostat screws
Screw on the element head
10
Note
98°C thermal cut-out
60-90°C adjustable
1-phase 230 V
Heat-resistant
Heat-resistant
!
WARNING
– Earth –
Torque
60 Nm (+/- 5)
2 Nm (+/- 0.1)
2 Nm (+/- 0.1)
R
1
3
2
4
1
THERM-O-DISC
2
90°C
60°C
80°C
70°C
Electrical connection, diagram
S
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