Installation
6 720 805 339 (2014/09)
16
3.8
Electrical connections
Connecting the indirect controls
The indirect thermal controls should be wired into a suitable indirect
control system to ensure optimum control of the cylinder and boiler. All
electrical work must conform to current IEE Wiring Regulation
(BS 3456).
For more in depth wiring instructions and diagrams reference must be
made to the appropriate manufacturers installation instructions for the
products installed along side this unit.
Products must be wired to meet all current regulations with regards to
G3.
Fig. 11 Variant dual thermostat wiring: wiring diagram 2 port zone valve (S-plan)
DANGER:
Risk of electric shock!
▶ Before making any electrical connections,
disconnect the power supply (230 V AC) to the
heating system.
▶ Make sure all terminal screws are properly tightened
before commissioning especially on immersion
heater line.
6 720 645 525-04.2GX
