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This summer electric heating kit allows you the benefit of heat from your bathroom radiator on cooler days
without the need to run your complete central heating system. When incorporated the electric heating element
heats only the bathroom radiator, and the water does not get circulated to the other radiators in your home. It
does not prevent the circulation of water into the bathroom radiator when the central heating pump is running,
and thus does not need to be removed again once installed.
Position:
This summer electric heating kit is intended to be installed in a bathroom or shower-room. It is IP44 rated and may
be installed in the Zone 2 area (see Fig below), but the electrical connection box must be outside the Zone 2 area.
Zone 1
Zone 2
60cm
Zone 0
(1) Side view, bath
Fitting into the bathroom radiator:
The summer electric heating kit comprises a sealed heating element complete with a threaded adaptor piece to
facilitate fitting into the radiator. Note that it can only be inserted into a radiator which has a straight section of
tubing to accommodate it directly from the connection point (i.e. it is not suitable for split section double panel
radiators). It should be installed by a competent plumber.
To install, the bathroom radiator must be isolated from the rest of the central heating system by closing its shut-
off/control valves, and then drained. If isolation cannot be achieved, then the complete central heating system
must be drained down to below the level of the bathroom radiator (note that when refilling it may be necessary to
top-up any corrosion inhibitor in the system). The adaptor must first be inserted into the radiator and tightened
onto its 'O' ring seal (this adaptor still allows a flow of water when the central heating pump is running). Do not
overtighten as this may damage the seal. The heating element should then be inserted into the radiator through
this adaptor and tightened onto its 'O' ring seal. Again, do not overtighten. The other connection of the adaptor
should be connected to the incoming central heating pipe. Finally, the isolating valves should be opened and the
radiator bled of all air.
Electrical connection:
The sealed heating element is supplied complete with its own mains cable. Do not use an extension cable. It is a
3-wire product which must be earthed. It should be connected to the household fixed wiring by a qualified electri-
cian in accordance with the national Wiring Regulations (BS.7671). A switch for disconnection from the electricity
supply, having a contact separation in all poles that provide full disconnection under overvoltage category III
conditions, must be incorporated in the fixed wiring. A switched spur outlet incorporating a 3A fuse may be used,
but this must be positioned outside the Zone 2 area (i.e. further away from the bath or shower). The national Wiring
Regulations also require that each circuit supplying a bathroom must be protected by a 30mA RCD in its supply.
Summer
Electric Heating Kit (150W for Cleaver & Berkeley & Vincent)
Summer
Electric Heating Kit (250W for Bloomsbury)
Summer
Electric Heating Kit (400W for Trafalgar)
Zone 1
Zone 0
Zone 1
(2) Top view
1 - 2
60cm
Zone 2
60cm
R9 CHR
R10 CHR
Zone 1
Zone 2
60cm
Zone 0
(3) Side view, shower
R8 CHR
C