clage MBH 3 7 Serie Mode D'emploi page 25

MBH 3..7
Installation
EN
a
b
c
e
Fig. 6: "Connecting the water pipes"
6. Make sure that the water pipes do not apply any kind of mechanical pressure on the instantaneous water
heater.
7. Open the hot water valve of the tap and check all connections for leaks.
2.4 Electrical connection
Fill the appliance with water by repeatedly opening and closing the hot water tap before connecting to electrical
power and purge completely. The heating element may be damaged if this is not done!
1. Check that the power supply is switched off.
2. Make sure that the cross-section of the supply line corresponds to the details in the technical specifications of
these instructions.
3. Ensure that the dimensions of the circuit breaker do correspond with the cross-section of the connecting
cable of the appliance and to the cross-section of the supply line.
4. Instantaneous water heater with plug:
a. Check that the socket is connected to the protective earth conductor.
b. Plug the plug into the socket.
Alternatively:
4. Instantaneous water heater without plug:
a. Note that according to VDE 0700, an all-pole disconnecting device with a contact opening width of
≥ 3 mm per phase must be provided at the installation end.
b. Connect the connecting pipe via a junction box to the mains, as shown in the circuit diagram.
a. Seal
b. Filter
c. Cold water connection (inlet)
d. Hot water connection (outlet)
a
e. Rating plate cover
d
24