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117
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'15 • HM-T-246
4. Installation and wiring work
4. Installation and wiring work (Continue)
Dimensions (V iew from front side) P CB side (V iew from rear side)
①
To remove the upper case from the bottom case of R/C
• Inserrewdriver or the like in the recess at the
lower part of R/C and twist it lightly to remove
Take care to protect the removed upper case from moisture or dust
②
Connect the wires from X and Y terminals of R/C to X and Y terminals of
heat pump water heater.
There is no polarity of R/C wiring (X and Y ) .
retrieved backward)
③
E mbed the switch box and the R/C wires beforehand.
Seal the inlet hole for the R/C wiring with putty.
re or break-down.
④
res are passed thr
Switch box for 1
8
50
all
Conduit
Locknut
Switch box
Seal with putty
R/C cable
Bushing
ire outlet
Downside
Upper side
Bottom case
Downside
Upper side
Bottom case
ire outlet
Cut out the thin wall part at
the screw mounting section
with a knife or the like before
tightening the screw.
37
Fixing hole
18.383.5
Sensor
Terminal
19
⑤
thin wall part of the case.
⑥
Fix wires such that they will run around the terminal screws on the upper case of R/C.
⑦
re not to pinch wires of R/C.
rom the " upper center" or " upper left" of R/C)
③
Cut out the thin wall parre size.
rge, moisture, dust or insects may enter.
Seal gaps with putty or the like.
④
Fix the bottom case on a flat
surface with wood screws
⑤
In case of the upper center,
pass the wiring behind the
bottom case (hatched section)
⑥
Fix wires such that the wires
will run around the terminal
screw of the upper case of R/C
⑦
Install the upper case with
care not to pinch wires of R/C
rom the upper center,
open a hole before separating the upper and bottom cases.
This will reduce risk of damaging the P CB and facilitate
subsequent work.
rom the upper left, take care
not to damage the P CB and not to leave any chips inside.
iring hole on
the bottom case
Upper center
Upper left
Upper case
Bottom case
for retrieving
wine from
upper left
190mm
for retrieving
wine from
upper center
8
PJZ012D103
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