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3
Immersion Heater
9
A1
Recommended torque = 1 N•m
12
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.
15
For details of wiring to the earth leakage
breaker, refer to the installation manual and
the wiring diagram of the BTW unit. Fill the
tank with water and make sure that no water
leaks around the immersion heater.
D-32
10
A2
13
Recommended
torque = 1.2 N•m
Fasten the water-proof cover
boss of the cylinder unit with the band
16
Attach the label
or overlap the other labels.
11
Recommended torque = 1.5 N•m
14
to the
.
17
. Do not cover
Assemble in the reverse order of the step 1.
Recommended torque for the frame = 1.5 N•m
Recommended torque for the front panel = 3 N•m
Optional parts
Fix it to the wires
Fasten the
lead wire.
To immersion
heater
DIP Switch
1-4 OFF→ON
(without immersion heater
→with immersion heater)
Connect the relay connector of
the main remote controller wires
under the electrical box before
installing the front panel.
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