10
3.6.3 Torque settings
!
WARNING
Constant voltage present at terminals L1 and
L2. Before any electrical work is done, the pow-
er supply must be disconnected and secured
against activation while the work is in progress.
Component
Torque
5/4” heating element
60 Nm (+/- 5)
Thermostat screws (A and B)
0.6 Nm (+/- 0.1)
Earth screw on the element head 2 Nm (+/- 0.1)
A) Blue wire (L1) – Neutral – connected to point
‘A’ on the iQ thermostat.
B) Brown wire (L2) – Live – connected to
point ‘B’ on the iQ thermostat.
C) Yellow wire with green stripe – Earth –
connected to terminal on the heating element
(hexagonal brass).
3.6 Electrical installation
3.6.1 Electrical components
Component
Note
iQ smartcontrol thermostat with thermal cut-out
Heating element
1-phase 230 V
Mains cable with plug
Heat-resistant*
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.
iQ smartcontrol is designed for a power supply
with max. capacity 14A / 230V / 50 Hz / 3000W.
The heating element and mains cable are factory-
fitted to the water heater the iQ smart control is
installed in, and do not come with the thermostat.
*OSO recommends using wires of quality H05
V2V2 or better.
3.6.2 Electrical connections in the junction box
Electrical connection, diagram
COTHERM
iQuaFlex
A
T60
220-240V~ 14A
B
V
D E
S
L1
L2
Information about use and settings can be
found in a separate manual (supplied with this
product).
