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20
4.6. Power supply connection
Note:
Before working on the boiler, turn off the power (e.g. MCB, switches) and secure
against accidental switching on. Tightening torque for MCB is 2.0 Nm.
A boiler is rated as a high power appliance and fixed wiring must be used. Please observe
chapter 2.4. about fuse and conductor requirements. When connecting the appliance to the
fixing wiring, the means for disconnection (MCB) must be incorporated in fixing wiring in
accordance with the local wiring rules.
This device must be earthed.
Power connection (main power terminals):
Note:
The power cable of the intersection from Ø6 mm to Ø21 mm must be
connected with the bottom of the boiler, with the help of a special
introducetor (located on the boiler).
All wires inside the electrical connection place must be tighted.
Pay attention when connecting the power cable so that the phase conductor is not
mistakenly connected to the remote shunt release marked by "-KF11", to the right of the MCB.
Connection way to the main power terminal may be vary depending on
elements installed inside the boiler.
Thermo Extra 28 - 42kW
T
h
ermo
Extra
44
-
96kW
