6
Installing your thermostat
1. Switch off mains power
You will be installing your thermostat as
part of a high voltage mains electrical
circuit. To ensure your safety and to
protect the thermostat, switch off the
mains power and remove fuse from the
spur before you start the installation.
Fuse Box
Fused Switch
CAUTION
High Voltage
Cables
OFF
ON
ON
ON
ON
ON
OFF
!