16
Immersion heater installation and wiring instructions
a)
Ensure the mains voltage corresponds to the voltage rating of the immersion heater as shown
on the rating label on the terminal cover.
b)
Install the immersion heater into the domestic hot water cylinder using the gasket provided.
Use a shaped spanner, Stillsons should not be used. The use of sealing compound is not
recommended.
c)
Wire the immersion heater in accordance with the wiring diagram below. It should be wired
through a double pole isolator switch or controller, having contact separation of at least 3
mm, using 1.5mm sq. flexible cable, 85 deg C rubber insulated HOFR sheathed, to comply
with BS 6141 table 8 and must be fully earthed.
d)
The BEAB approval certification on this immersion heater only applies if rod type
thermostats, types Sunvic VKL or Cotherm SHD are used. The temperature setting of the
control thermostat must not exceed 60 deg C.
e)
In the event of the manual reset cut-out operating, isolate the immersion heater from the
mains supply, investigate and identify the cause of the operation of this cut-out, rectify the
fault before manually resetting the cut-out via the reset button on the cut-out. Finally switch
the mains electricity supply back on.
Fig 7
WARNING: THIS APPLIANCE MUST BE EARTHED.
