Electrical Wiring; Test Run Switch - Sanyo CH2442 Installation Instructions Manual

7-9. Electrical Wiring

Connection method
(1) Connect W1 to the indoor PCB WL connector.
(2) Connect W3 from the indicator section with W2
from the operating controller using the relay
connector.

7-10. Test Run Switch

Test run switch is located at operating control unit.
Regarding the test run, please refer to section 12. Test
Run.
NOTE
In case of 4-way air discharge type, test run opera-
tion is not possible without the ceiling panel installa-
tion.
During the test run, all of the 3 indicator lamps on
the indoor unit will flash.
During the test run, the air conditioner runs continu-
7 7 7 7 7
ously and the thermostat does not control the
system.
RC
To protect the air conditioner from overloading, the
(WL)
outdoor unit will not start running for 3 minutes after
power is applied or the air conditioner is turned off
and then back on.
When the air conditioner fails to start the test run, 1
or more of the 3 alarm indicator lamps on the indoor
unit will flash (See next section).
Indoor PCB Operating controller
CN1
W1 (4.3 ft.)
1 WHT
WL
2 BLK
Signal receving unit
Indicator section
W2 W3
(0.7 ft.) (4.3 ft.)
CN2 CN1
BLU BLU
YEL YEL
PNK PNK
RED RED
GRY GRY
BLK BLK
Relay connector
Fig. 7-10
All OFF( ) for
initial settings.
1 2 3 4
1.TEST RUN
2.PCB CHK.
3.RCU: MAIN
RCU: SUB
4.NORMAL
ALL •
Servicing
switches
56
S4359146
2035_M_I
ADR
1 2 3
4 5 6
Address Flap ON/OFF
switch button operation
button
Fig. 7-11
1999_M_I