
Instruction manual PH501E
Please keep this instruction manual for future reference
8
Please ensure that all installations comply with current IER regulations
Commissioning the time switch
Ensure all dust and debris has been cleared away from the work area before
removing the time switch from its packaging.
Fitting the time switch
Connect the mains power supply cables Earth, L and N to the IN connectors Earth
(1), L (2) and N (3)
I
Connect the heater power cables N, L and Earth to the OUT connectors N (4), L (5)
and Earth (6)
Electrical installation should be carried out by a competent installer in accordance
with the IET wiring regulations (BS.7671) and any relevant local authority bye-laws.
The heater is fitted with a 3 core mains supply cable and should be permanently
connected to the electricity supply via a double pole switch having 3mm gap on
each pole. A switched fuse connection to BS.1363. part 4 is a recommended
mains supply connection accessory to ensure compliance with safety requirements
applicable to fixed wiring installation.
Once the cables are connected, to fit the controller to the back box, remove the
front display unit from the back plate by gently placing the end of a flat head
screwdriver in the 2 slots at the bottom of the controller and twisting gently as
shown in the diagram below.
Fixing holes
PH501E Instruction manual.indd 8
16/07/2018 13:44