10
RESET
RES
ET
M2
1
2
3
4
THERM-O-DISC
1
2
RESET
RES
ET
M2
1
2
3
4
THERM-O-DISC
1
2
RESET
RES
ET
M2
1
2
3
4
THERM-O-DISC
1
2
L1
L1
L2
L2
L3
L3
L1 L2 L3
Electrical connection, diagram
3x5 kW - 3x230V / 3x400V
3.6.3 Torque settings
!
WARNING
Constant voltage present at the terminals. Be-
fore any electrical work is done, the power sup-
ply must be disconnected and secured against
activation while the work is in progress.
A) Supply cable connected to terminal (1) as
shown. Supply wires should be secured with
3.6 Electrical installation
3.6.1 Electrical components
Component
Note
Safety thermostat
95°C thermal cut-out
Work thermostat
50-75°C adjustable
Heating element
3-phase 230 V
Internal wires
Heat-resistant
Fixed electrical fittings must be used for installa-
tion. Any electric fittings must be installed by an
authorised electrician. The relevant standards and
regulations must be followed.
3.6.2 Electrical connections in the junction box
1
Circuit diagram
shows standard
connection from the
factory (3x230V),
and also applies to
3x400V (elements
need to be changed
to 415V).
suitable strain relievers.
B) Internal wires from connection piece (1) to
thermostats and the wires from thermostats to
elements are pre-connected from the factory.
C) Make sure that the earth wire (yellow wire
with green stripe) is connected to the earthing
point
Cover of junction box should be correctly mount-
ed before the power is switched on. The power
must not be switched on until the product has
been filled with water.
Component
Torque
G1.1/4” heating element
60 Nm (+/- 5)
Thermostat screws
2 Nm (+/- 0,1)
Screw on the element head
2 Nm (+/- 0,1)
Screws on terminal (1)
2,5-16 mm²: 3 Nm
25-35 mm²: 6 Nm
