Installation Si39-303
44 General Information
Caution:
2 After piping work is finished, check if drainage flows smoothly.
Add approximately 2000 cc of water slowly from the air outlet and check drainage flow.
WHEN ELECTRIC WIRING WORK IS FINISHED
Check drainage flow during COOL running, explained under ‘‘TEST OPERATION’’.
WHEN ELECTRIC WIRING WORK IS NOT FINISHED
Remove the terminal box lid connect a power supply and remote controller to the terminals
.
(Refer to the Installation Manual)
Next, press the inspection/test operation button “ ” on the remote controller. The unit will engage the
test operation mode. Press the operation mode selector button “ ” until selecting FAN OPERATION
“ ”. Then, press the ON/OFF button “ ”. The indoor unit fan and drain pump will start up. Check
that the water has brained from the unit. Press “ ” to go back to the first mode.
Note that the fan also starts rotating.
Attach the terminal box lid as before.
TEST
TEST
≥
100
Plastic watering can
(Tube should be
about 100 mm long.)
Service drain outlet (with rubber plug)
(Use this outlet to drain water from
the drain pan)
Drain pipe
<Adding water through air discharge outlet>
[Method of adding water]
Fig. 24
R(L) S(N)
Power supply wiring
Terminal box lid
Power supply wiring
Remote
controller wiring
Power supply
terminal board
Terminal board for
remote controller
T2T1F2F1P2P1
REMOTE
CONTRL
TRANSMISSION
WIRING
FORCED
OFF
Remote
controller wiring
Fig. 25
n
n
n
n
n
Drain piping connections
Do not connect the drain piping directly to sewage pipes that smell of ammonia. The ammonia in the sew-
age might enter the indoor unit through the drain pipes and corrode the heat exchanger.
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