After installing the backplate in a suitable location, wiring connections can be
made as shown above. The following criteria apply to the installation:
•
The incoming AC mains supply should be 230V AC and fused at 6 amps.
•
Optimum cable size for installation is 1.5 mm2; wiring colours should be
in accordance with the current requirements of the IEE Wiring Regulations.
•
Cable entry should be from the rear of the backplate.
•
All wiring connections should be securely made, and be firmly
gripped beneath the terminal square brass washer.
Do not restore the mains supply to the system until all associated items are fully
installed.
NOTE: All electrical installation work should be carried out
by a suitably qualified Electrician or other competent person.
If you are not sure how to install this programmable thermostat consult either
with a qualified electrician, heating engineer or your boiler / heating system
supplier for advice on how to continue.
Do not remove or refit the EP101 onto the backplate without the mains
supply to the system being isolated.
Volt Free Switching
Terminal Description Backplate
N Mains Neutral
L Mains Live
1 Normally Closed (NC)
2 No Connection
3 Normally Open (NO)
4 Volt Free Common
Earth Parking
(no electrical connection)
EP101 INSTRUCTION MANUAL
6
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