Installation
32
Ceiling Cassette Air Conditioner
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
comfortable 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.
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
Low
High
Ceiling height
Mode of slide switch
Change of air volume
Remark
more than 3.3m
High Ceiling
Increasing
2.7~3.3m
Standard
-
less than 2.7m
Low Ceiling
Decreasing
Maunfactured in
standard mode
3) Group Control
• Be careful not to exchange the color of wires.
• 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
It operates maximum 16 Units by only one Wired Remote Controller, and each Unit starts sequentially to prevent
overcurrent.
Wiring design
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
Heater
Defrost
Filter
Preheat
Out door
Time
Timer
On
Set no. Time
Off
01
03
05
07
09
11
13
15
17
19
21
23
Indoor Unit 1
Terminal(Local Supply)
Block
Terminal(Local Supply)
Block
Terminal(Local Supply)
Block
Main PCB
#1
Main PCB
#2
Main PCB
#16
Wired Remote Controller
Indoor Unit 2
Main PCB
Indoor Unit 16
Connector
RED(12V)
YL(SIGNAL)
BR(GND)
RED(12V)
YL(SIGNAL)
BR(GND)
YL(SIGNAL)
BR(GND)
Connecting Cable(Local Supply)
Connector
Connector
....
....
YL(SIGNAL)
BR(GND)
YL(SIGNAL)
BR(GND)
YL(SIGNAL)
BR(GND)
Remote
Controller
PCB
Single Control
Group Control 1
Group Control 2
S/W GR
• Using the supplied Wired Remote Controller, wire
them like above.
• Move S/W GR to "Group Control 1" position.
• Check the line color of the wire.
