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6. Electrical connection
Wiring diagram
2
1
1. Electronic circuitry
2. Heating element
3. Safety pressure cut-out
4. Connecting terminal
5. Safety thermal cut-out
Pos. OFF
Only by a specialist!
Please observe:
• e.g. VDE 0100
5
• The installation must comply with current IEC and national local regulations or any
particular regulations, specified by the local electricity supply company
3
• The rating plate and technical specifications
• The appliance must be earthed!
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Structural prerequisites
• The appliance must be installed via a permanent connection. Heater must be
earthed!
• The electric wiring should not be injured. After mounting, the wiring must not be
direct accessible.
• An all-pole disconnecting device (e.g. via fuses) with a contact opening width of at
least 3 mm per pole should be provided at the installation end.
• To protect the appliance, a fuse element must be fitted with a tripping current com-
mensurate with the nominal current of the appliance.
Load shedding relay
If further three-phase appliances are connected, a load shedding relay designed for
electronic instantaneous water heaters (CLAGE no. 82250) can be connected to phase
conductor L2.
To avoid possible jitter of the load shedding relay caused by low power consumption
(low temperature set point and low water flow rate) the "Load-shedding-mode" can be
activated as followed:
• Disconnect the appliance from the power supply (e.g. by switching of the fuses)
• Take the jumper off the power electronics and change to position "1" (see picture).
• Put the appliance into operation again
Pos. 1
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CLAGE
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