17
GB
INSTALLATION
!
damage to the appliance and environment
When using plastic pipework, observe chapter "Specification / Fault conditions".
note
If the water pressure is higher than 0.6 MPa, install a pressure reducer in the "cold water
inlet".
Operate the appliance only with pressure-tested taps.
»
Thoroughly flush out the cold water line before connecting the appliance, so that no foreign matter
gets into the water heater or safety valve.
»
Route the safety valve drain line to a drain free from the risk of frost, with a continuous downward
slope to ensure the unrestricted flow of the water to the drain. The discharge aperture of the safety
valve must remain open to the atmosphere.
10.3
electrical connection
danGer electrocution
before any work on the appliance, disconnect all poles of the appliance from the power
supply.
danGer electrocution
carry out all electrical connection and installation work in accordance with relevant regu-
lations.
danGer electrocution
only use a permanent connection to the power supply. the appliance must be able to be
separated from the power supply by an isolator that disconnects all poles with at least
3 mm contact separation.
note
observe the type plate.
The specified voltage must match the mains voltage.
note
please note that the appliance must be connected to the earth conductor.
D
1 Electronic assembly, control unit, position X2
2 Connecting cable, electronic assemblies
3 Electronic assembly, operation
removing the lower cover
»
Undo the 4 screws.
»
Remove the bottom cap.
»
Disconnect the connecting cable from the electronic assembly for operation, position X2.
Also in dual circuit operation:
»
Pull out the cable grommet at the base while pressing the snap-in tabs.
»
Push the cable grommet over the power cable and snap the cable grommet back in place.
