Service Manual
43
Group Control
It operates maximum 16 Units by only one Wired Remote Controller,
and each Unit starts sequentially 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
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
(Standard)
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
Group
Slide Switch2
• Using the supplied Wired Remote Controller,
wire them like above.
• Move slide switch 2 to "Group" position.
• Ensure that the color of wire.
• Open the rear cover of Remote Controller to set up the
mode.
• Selectable options are three as follows.
- Remo: Sensing the room Temperature.
- Indoor Unit: Sensing the intake air into indoor Unit.
- 2 TH: Sensing the lower temperature of the two ther-
mistors.
• To set up the mode, adjust the slide switch to desired
mode position on installing.
Slide Switch1
Remo.
Room Temp. Sensing
Indoor Unit
2 TH(Remo.+Indoor)
• On installing, don't impact to the PCB
and LCD display.
• Don't remove the protection sheet.
• Use the specified screw.
• On installing, turn off the main power.
CAUTION
Single
Group
Slide Switch2
Group Control
Two Thermistor system
