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Cut
out
lmmersion
HeaterWring
Connect
Live
to
thermostat
Heat resisting cable
from Double
Pole
isolating switch
Connect
Earth
Connect Neutral
- Hand guarantee card
to
user.
8.
Electrical Specification
&
Wiring (lmmersion
Heater)
- Element
terminals
are marked N(Neutral) and
L(Live)
-
Ensure
earth connection of
3
wire
supply
is
connected
to earth.
- Recommended supply
for
3kW
element
is
2.5mm cable
to
85614l
- A
16
Amp timer
is
recommended for
3kW
elements
-The unit
is
not
fitted with
a
fuse.
-
All heating
elements operate on
a 230
VAC
50Hz
mains supply. Do not
fit
immersion
heate(s)
without
thermal
cutout(s).
FUSE
RATING:
The fuse
rating for
two
3kW
immersion
heaters wired separately
from the
main
fuseboard should be
l5
Amps.
Electrical
Wiring
Drawing
Cylinder
Thermostat
From
Timeclock
Motorised
Valve
DHW
Output
N
E
L
To
Boiler
Electrical Specification and
Wiring
(Thermostat Control)
-
The
cylinder control thermostat
is
mounted
at
the top
of
the
unit
in
a
housing
with
cable
entry point.
-
The
unit
houses
two
thermostats,
a
control thermostat
and an
overheat thermostat.
Operation of either thermostat
must
cease
the supply
of
heat
to the
cylinder.
- Remove
the thermostat
housing
cover. Wire
the
two thermostats
inside
in
series
to the hot
water
control
valve
as
shown
below. Electrical
5pecification
and
Wiring (Thermostat
Control)
for
additional
heat source refer
to the
suppliers manual. However,
the
manual reset
limit
ther
mostat should
be
used
to
isolate any
further
supply
of
heat
to the
Spa.
9.
Secondary
Circulation
-
A
pump
is
required
together with
a
non-return
valve.
-
The
pump should
be
fitted
with
isolating
valves
on
either
side
and
sited
to
minimise
air
accumulation
away
from the high point
of the circuit. An
air
bleed valve may be located
at
1O
the high point.
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