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3
Immersion Heater
10
Do not bundle the lead wires
together with the low voltage wires, such as
the main remote controller wires.
13
Fasten the water-proof cover
boss of the cylinder unit with the band
16
For details of wiring to the earth leakage
breaker, refer to the installation manual and
the wiring diagram of the ATW unit. Fill the
tank with water and make sure that no water
leaks around the immersion heater.
D-30
11
and
Recommended torque = 1.2 N•m
14
to the
.
17
Attach the label
or overlap the other labels.
12
15
DIP Switch
1-4 OFF→ON
(without immersion heater
→with immersion heater)
18
. Do not cover
Optional parts
Attach the water-proof
cover
as shown in the
figure. Attach the
water-proof seals
and
on the terminal screws
to seal them while
passing the lead wires
and
through the slits
of the water-proof seals.
Fasten the lead
wires with the
bands
and the
fastener
as
shown in the figure.
Fix it to the
other wires.
Fix it to the
pipe covers.
Refer to the
installation
manual of the
ATW unit for
the front panel
installation.
Connect the relay connector
of the main remote
controller wires under
the electrical box before
installing the front panel.
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