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–30–
Thermometer
2) Connection of power supply
1. Connect the power supply cord to the independent
power supply.
• Circuit breaker is required.
• Circuit breaker is required.
2. Operate the unit for fifteen minutes or more.
3) Evaluation of the performance
1. Measure the temperature of the intake and dis-
charge air.
2. Ensure the difference between the intake tempera-
ture and the discharge one is more than 8°C (Cool-
ing) or reversely (Heating).
ing) or reversely (Heating).
Teach the customer the operation and maintenance procedures, using the operation manual (air filter cleaning,
temperature control, etc.).
temperature control, etc.).
HAND OVER
CAUTION
After the confirmation of the above conditions, prepare the wiring as follows:
1) Never fail to have an individual power specialized for the air conditioner. As for the method of
1) Never fail to have an individual power specialized for the air conditioner. As for the method of
wiring, be guided by the circuit diagram pasted on the inside of control box cover.
2) Provide a circuit breaker switch between power source and the unit.
3) The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from
3) The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from
vibrations to which the unit is subjected during the course of transportation. Check them and
make sure that they are all tightly fastened. (If they are loose, it could give rise to burn-out of the
wires.)
make sure that they are all tightly fastened. (If they are loose, it could give rise to burn-out of the
wires.)
4) Specification of power source
5) Confirm that electrical capacity is sufficient.
6) Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked
5) Confirm that electrical capacity is sufficient.
6) Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked
on the name plate.
7) Confirm that the cable thickness is as specified in the power sources specification.
(Particularly note the relation between cable length and thickness.)
8) Never fail to equip a leakage breaker where it is wet or moist.
9) The following troubles would be caused by voltage drop-down.
• Vibration of a magnetic switch, damage on the contact point there of, fuse breaking, disturbance to the nor-
9) The following troubles would be caused by voltage drop-down.
• Vibration of a magnetic switch, damage on the contact point there of, fuse breaking, disturbance to the nor-
mal function of a overload protection device.
• Proper starting power is not given to the compressor.
–31–
Optional Operation
1) Two Thermistor System
(1) Open the rear cover of the wired remote-controller to set the mode.
(2) Select one of three selectable modes as follows.
• Position 1:
• Position 1:
The room temperature is controlled by the thermistor of the main body.
• Position 2:
The room themperature is controlled by the thermistor of the wired remote-controller, control the
temperature according to the position of wired remote-controller.
temperature according to the position of wired remote-controller.
• Position 3:
The room temperature is controlled by lower temperature between the temperature of main body and of
remote-controller sensor.
remote-controller sensor.
(3) Move the slide switch to set position.
(4) Close the rear cover and check if it works normally.
TH
R14H
SW TH
REMO
MAIN
2TH
OP7
R18H
R17H
OP6
LO
STAND
SW
HIGH
HI
R03S
C070
R04S
R02S
R01S
OP3
OP2
OP1
R19H
R11H
R13H
R12H
OP5R16H
OP4
R15H
CO1H
REMO
Room Temp. sensor
2TH
MAIN
Position 2
Position 1
Position 3
Position 3
Slide switch for ceiling height
Slide switch for 2 Thermistor
• Select the position after counselling with a customer.
• In case of cooling mode, room temperature is controlled by the main body sensor.
• To control the room temperature by a wired remote controller, install controller(room temp. sensor) to sense
• In case of cooling mode, room temperature is controlled by the main body sensor.
• To control the room temperature by a wired remote controller, install controller(room temp. sensor) to sense
the temperature more accurately.
• Maunfactured in the position 3.
CAUTION
–32–
2) Adjusting air volume to the height of ceiling
You can choose the RPM(or air volume) of indoor motor according to the height of ceiling to supply the com-
fortable atmosphere to consumers.
fortable atmosphere to consumers.
Procedure
1. Choose the selectable position in the table after measuring the height of ceiling.
2. In the case of changing the height as "high" or "low", open the rear cover of the wired remote-controller.
3. Move the slide switch to the set position.
3. Move the slide switch to the set position.
4. Close the rear cover and check if it works nomally.
TH
R14H
SW TH
REMO
MAIN
2TH
OP7
R18H
R17H
OP6
LO
STAND
SW
HIGH
HI
R03S
C070
R04S
R02S
R01S
OP3
OP2
OP1
R19H
R11H
R13H
R12H
OP5R16H
OP4
R15H
CO1H
Lo
Hi
STAND
Slide switch for ceiling height
Slide switch for 2 Thermistor
Standard
(Default)
Low ceiling
High Ceiling
Ceiling height
Mode of slide switch
Change of air volume
Remark
more than 4.0m
High Ceiling
Increasing
3.2~4.0m
Standard
-
less than 3.2m
Low Ceiling
Decreasing
Maunfactured in stan-
dard mode
–33–
3) Group Control(Optional Wiring)
• You can use a group control operation after connecting the brown and yellow wire of each air-conditioner.
• Remove the resistor "OP 7" in remote controller.
• It operates maximum 16 Units by only one Wired Remote Controller,
• Remove the resistor "OP 7" in remote controller.
• It operates maximum 16 Units by only one Wired Remote Controller,
and each Unit starts sequentially to prevent overcurrent.
Wiring design
Features
• Use Only One Wired Remote Controller with several air conditioners(max. 16 Units)
• Random starting to prevent overcurrent.
• Random starting to prevent overcurrent.
Operation unit
ZONE
1 2 3 4
Humidify
JET
AUTO
AUTO SWING
OPERATION
FAN SPEED
Program set
SUB FUNCTION
SET TEMP
Room Temp
HI
MED
LO
MED
LO
Heater
Defrost
Filter
Defrost
Filter
Preheat
Out door
Time
Timer
On
Set no. Time
On
Set no. Time
Off
01
03
05
07
09
11
13
15
17
19
21
23
Indoor Unit 1
Terminal(Local Supply)
Block
Block
Terminal(Local Supply)
Block
Block
Terminal(Local Supply)
Block
Block
Main PCB
#1
Main PCB
#2
Main PCB
#16
Wired Remote Controller
Slide Switch
OP7
Remote
Controller
PCB
Indoor Unit 2
Main PCB
Indoor Unit 16
Connector
RED(12V)
YL(SIGNAL)
YL(SIGNAL)
YL(SIGNAL)
BR(GND)
BR(GND)
BR(GND)
Connecting Cable(Local Supply)
Connector
Connector
....
....
• Be careful not to exchange the color of wires.
• The maximum length of connecting wire should be below 200m(25
• The maximum length of connecting wire should be below 200m(25
Ω
) on connecting each units.
• Use a wire more than 0.5mm
2
CAUTION
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