10
3.6.4 Torque settings
!
WARNING
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.
Component
Torque
1” heating element
60 Nm (+/- 5)
Thermostat screws
2 Nm (+/- 0.1)
Screw on the element head
2 Nm (+/- 0.1)
A) Blue wire (L) – Neutral – connected to point ‘1’
on the safety thermostat.
B) Brown wire (N) – Live – connected to point ‘3’
on the safety thermostat.
C) Yellow wire with green stripe – Earth – con-
nected to the earth terminal on the attachment
for the thermostat.
D) Internal wires from the element to the thermo-
stat are connected to point ‘4’ on the safety
thermostat and point ‘2’ on the work thermo-
stat. See illustration.
3.6.3 Changing the capacity
The capacity of the element can be halved to 1.5
kW by removing the jumpers (5) connecting the
two heating pipes on the element The product
can then be connected to a 10A fuse. Must be per-
formed by an authorized electrician.
3.6 Electrical installation
3.6.1 Electrical components
Component
Note
Safety thermostat
85°C thermal cut-out
Work thermostat
40-70°C adjustable
Heating element
1-phase 230 V
Mains cable with plug
Heat-resistant
Internal wires
Heat-resistant
Fixed electric fittings shall 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.
Fitting or retrofitting an external power supply
control unit to the product or its power supply
must only be performed by an authorized elec-
trician. The control unit must be approved by the
product manufacturer.
The relevant standards and regulations must be
followed.
3.6.2 Electrical connections in the junction box
Electrical connection, diagram
RESET
RES
ET
M2
1
2
3
4
THERM-O-DISC
40°C
70°C
60°C
50°C
1
2
L
N
5
5
