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Installation
1. Unscrew electrical panel
Unscrew electrical panel to and any packing pieces
from the product.
Electrical supply in this side
2. Fix unit to wall or ceiling
Fix the unit to the ceiling or wall via suitable
fixings. If fitted to suspended ceilings or similar
then suitable means of support such as threaded
rods or chains must be used.
3. Connect the pipes
Connect the heating system flow and return pipes
to the heater pipe work. Pipe entry/exit can be
made through either the back of the unit or by
using the pipe knockouts on the bottom of the
unit. Do not use soldered fittings to the heater
pipe work as the heat generated may cause
damage to internal wiring and components.
Compression fittings should be used.
Pipe connections
Note: We recommend the use of full-flow service
valves. The valves should be accessible after
completion of the installation. We also advise the
fitting of an air vent at the highest point on either
the flow or return pipe to remove any air trapped
within the system.
4. Open the service valves
Open the full flow service valves and check for
water leaks. Remove any trapped air from the
unit via the built in bleed screws as shown in the
diagram below.
5. Electrical supply
Isolate the electrical supply
6. Connect the power supply
Connect the power supply from the fused spur (3
Amp) to the heater terminal block marked Supply
E N L via the cable entry hole in the top chassis of
the heater.
Issue 001 - October 2023 | SmithsEP.co.uk | 13
Electrical
supply in
this side
N
L
Supply
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