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6. Electrical work
F
A
H
C
D
E
G
I
I
I
H
B
B-1. B-2.
Fig. 6-8
A
AB TB6
B
Fig. 6-7
J
H
Fig. 6-9
6.7. Remote controller
1) Installing procedures
(1) Select an installing position for the remote controller. (Fig. 6-7)
The temperature sensors are located on both remote controller and indoor unit.
s Procure the following parts locally:
Two piece switch box
Thin copper conduit tube
Lock nuts and bushings
A Remote controller profile
B Required clearances surrounding the remote controller
C Installation pitch
(2) Seal the service entrance for the remote controller cord with putty to prevent pos-
sible invasion of dew drops, water, cockroaches or worms. (Fig. 6-8)
A For installation in the switch box:
B For direct installation on the wall select one of the following:
• Prepare a hole through the wall to pass the remote controller cord (in order to run
the remote controller cord from the back), then seal the hole with putty.
• Run the remote controller cord through the cut-out upper case, then seal the cut-
out notch with putty similarly as above.
B-1. To lead the remote controller cord from the back of the controller:
B-2. To run the remote controller cord through the upper portion:
(3) For direct installation on the wall
C Wall
D Conduit
E Lock nut
F Bushing
G Switch box
H Remote controller cord
I Seal with putty
J Wood screw
2) Connecting procedures (Fig. 6-9)
1 Connect the remote controller cord to the terminal block.
A To TB5 on the indoor unit
B TB6 (No polarity)
3) Temperature display setting
The initial temperature display setting is °C. Please change the setting to °F. Refer to
“Function selection of remote controller (Section 8)” in the operation manual for the
indoor unit.
4) Two remote controllers setting
If two remote controllers are connected, set one to “Main” and the other to “Sub”. For
setting procedures, refer to “Function selection of remote controller” in the operation
manual for the indoor unit.
1-3/16
(30)
1-3/16
(30)
1-37/64 (46)
1-3/16
(30)
4-23/32 (120)
3-9/32 (83.5)
A
B
C
inch (mm)
7. Test run
7.1. Before test run
s After completing installation and the wiring and piping of the indoor and
outdoor units, check for refrigerant leakage, looseness in the power supply
or control wiring, wrong polarity, and no disconnection of one phase in the
supply.
s Use a 500-volt megohmmeter to check that the resistance between the power
supply terminals and ground is at least 1.0 M
ΩΩ
ΩΩ
Ω.
s Do not carry out this test on the control wiring (low voltage circuit) termi-
nals.
Warning:
Do not use the air conditioner if the insulation resistance is less than 1.0 M
ΩΩ
ΩΩ
Ω.
Insulation resistance
7.2. Test run (Fig. 7-1)
The following 3 methods are available.
1 Turn on the power at least 12 hours before the test run.
2 Press the [TEST] button twice. ➡ “TEST RUN” liquid crystal display
3 Press the [Mode selection] button. ➡ Make sure that wind is blown out.
4 Press the [Mode selection] button and switch to the cooling (or heating) mode.
➡ Make sure that cold (or warm) wind is blown out.
5 Press the [Fan speed] button. ➡ Make sure that the wind speed is switched.
6 Check operation of the outdoor unit fan.
7 Release test run by pressing the [ON/OFF] button. ➡ Stop
8 Register a telephone number.
The telephone number of the repair shop, sales office, etc., to contact if an error
occurs can be registered in the remote controller. The telephone number will be
displayed when an error occurs. For registration procedures, refer to the opera-
tion manual for the indoor unit.
Note:
• If an error code is displayed on the remote controller or if the air conditioner
does not operate properly, refer to the outdoor unit installation manual or
other technical materials.
• The OFF timer is set for the test run to automatically stop after 2 hours.
• During the test run, the time remaining is shown in the time display.
• During the test run, the temperature of the indoor unit refrigerant pipes is
shown in the room temperature display of the remote controller.
• When the VANE or LOUVER button is pressed, the message “NOT AVAIL-
ABLE” may appear on the remote controller display depending on the indoor
unit model, but this is not a malfunction.
Fig. 7-1
A ON/OFF button
B Test run display
C Indoor temperature liquid line
temperature display
D ON/OFF lamp
E Power display
F Error code display
Test run remaining time dis-
play
G Set temperature button
H Mode selection button
I Fan speed button
M TEST button
˚F
˚F
SIMPLE
PAR-21MAA
ON/OFF
FILTER
CHECK
OPERATION
CLEAR
TEST
TEMP.
MENU
BACK DAY
MONITOR/SET
CLOCK
ON/OFF
TEST RUN
COOL, HEAT
A
F
C
EDB
M
IH G