Electrical Installation; Electrical Components; Torque Settings - OSO HOTWATER Saga Xpress SX 150 Instructions De Montage

3.6 Electrical installation

Fixed electric fittings should be used for in-
stallation 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 prod-
uct 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 lower safety thermostat.
B) Brown wire (S) – Live – connected to point
'3' on the lower safety thermostat.
C) Yellow wire with green stripe
connected to the terminal for the heating
element in the lower panel (hexagonal
brass)
D) Internal wires from the element to the
thermostat are connected to point '3' on
the safety thermostat and point '2' on the
operating thermostat. See illustration.

3.6.3 Torque settings

Component
5/4" heating element
Thermostat screws
Screw on the element head 2 Nm (+/- 0.1)
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)
1
2
1
2
90°C
80°C
R
1
2
1
2
90°C
80°C
Electrical connection, diagram 2+2 & 3+3 kW
3
4
3
THERM-O-DISC
60°C
70°C
S
3
4
THERM-O-DISC
60°C
70°C