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7
RC
(WL)
60
S4359146
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0
WT
7-13. Electrical Wiring
Make correct wiring without
any mistakes (incorrect
wiring will damage the
equipment).
● Recommended wire diameter and allowable length
for signal receiving unit wiring and its branch wiring:
AWG #18, MAX 1,300 ft.
1. Peel away 9/16 in. of shield from the wire
for the connection.
2.
Join the 2 wires as shown and crimp-connect
them with the wire joint (supplied).
3. When no crimp tool is available or if a
solder connection was made then cover
with insulating tape.
Wire joint (2 pcs.
white, supplied)
CAUTION
7-14. Test Run Switch
(1)
Remove the cover plate of the signal receiving unit.
Set the "TEST RUN" switch of the dipswitches to
the ON position.
(2) Press the ON/OFF operation button on the
wireless remote controller.
● During the test run, all of the 3 indicator lamps on
the indoor unit will flash.
The TEST RUN switch is
used only for servicing the
air conditioner. DO NOT use
this switch for normal opera-
tion. Otherwise, it may put
stress on the system.
(3) Make a test run using the air conditioner in
COOL, HEAT or FAN modes.
● To protect the air conditioner from overloading, the
outdoor unit will not start running for 3 minutes after
power is applied or the air conditioner is turned off
and then back on.
(4) After the test run, press the ON/OFF operation
button on the wireless remote controller. Then,
set the TEST RUN switch back to the OFF
position to cancel the test run mode.
1
WHT
BLK 2
1
2
Terminal board
for indoor unit
remote controller
wiring
Signal receiving unit wiring (field supply)
Connection
Wire from signal receiving unit
Signal receiving
unit
2010_M_I
2012_M_I
123
4
ADR
56
ALL•
RCU : SUB
RCU : MAIN
NORMAL
PCB CHK.
TEST RUN
ALL•
RCU : SUB
PCB CHK.
TEST RUN
Fig. 7-22
Wire joint CE-1
(supplied)
Signal receiving
unit wiring
Signal receiving
unit wiring
3004_M_I
CAUTION