LG LS-H076ZBC0 Service Manual ▷ View online
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(2) Outdoor Unit
W
L2
L3
L1
D
H
L4
L5
Gas side
(3-way valve)
Liquid side
(2-way valve)
MODEL
DIM
unit
W
mm
770
575
H
mm
540
525
D
mm
245
260
L1
mm
287
301
L2
mm
64
73
L3
mm
518
392
L4
mm
10
35
L5
mm
100
100
LS-H096Z_Series
LS-H076Z_Series
Refrigeration Cycle Diagram
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INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(EVAPORATOR)
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
EXCHANGE
(CONDENSER)
HEAT
EXCHANGE
(CONDENSER)
EXCHANGE
(CONDENSER)
COMPRESSOR
COMPRESSOR
ACCUMU
LATOR
LATOR
GAS SIDE
GAS SIDE
VALVE
LIQUID SIDE
LIQUID SIDE
VALVE
CAPILLARY TUBE
CAPILLARY TUBE
CHECK VALVE
(Heating Model only)
COOLING
HEATING
REVERSING
VALVE
(Heating Model Only)
VALVE
(Heating Model Only)
(1) Cooling Only Models
(2) Cooling & Heating Models
Wiring Diagram
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3854A20305A
INDOOR WIRING DIAGRAM
FUSE
AC250V/T2A
CN-TH1
CN-GND
TRIAC
SH-CAPA.
BL
BR
GN/YL
BR
YL
OR
BK
CN-TAB1
CN-MOTOR
CN-TAB2
CN-4WAY
CN-SW/2
CN-SW/3
CN-STEP2
CN-STEP1
CN-MAIN
CN-SW/1
RY-COMP.
RY-4WAY
RY-FAN
FORCED
OPERATON
S/W
SUC
STEP
MOTOR-1
ZNR
THERMISTOR
DISPLAY
MOTOR
MAIN PCB
ASM
POWER
TO OUTDOOR UNIT
TERMINAL
BLOCK
BLOCK
CONNECTOR
PWB ASM
PWB ASM
BR
BL
BK
RD
GN/YL
BR
BL
BK
RD
GN/YL
1(L) 2(N)
3 4
3
4
BL
BR
CN-U/D
CN-VFD
STEP
MOTOR
CN-L/R
CN-HVB
STEP
MOTOR
OPTION
OPTION
LIMIT S/W-1
LIMIT S/W-2
H.V.B
A/CL
RD
RD
BK
BK
SUC
STEP
MOTOR-2
COMP
C S R
FAN
MOTOR
OLP
BR
BR
BL
BK(RD)
YL
GN/YL
BR
BL
BK
RD
GN/YL
REVERSING
VALVE
YL
BL
BK(RD)
CAPACITOR
RD
BR
RD
BL
YL
TO INDOOR UNIT
OUTDOOR WIRING DIAGRAM
3854A30077V
TERMINAL
BLOCK
H
C
F
1(L) 2(N)
3
1
2
4
(1) Indoor Unit
(2) Outdoor Unit
Operation Details
1. MAIN UNIT FUNCTION
• DISPLAY
1) C/O Model
Operation Indicator
• ON while in appliance operation, OFF while in appliance pause.
• Flashing while in disconnection or short in Thermistor. (3 sec off / 0.5 sec on)
• Flashing while in disconnection or short in Thermistor. (3 sec off / 0.5 sec on)
Sleep Timer Indicator
• ON while in sleep timer mode, OFF when sleep timer cancel or appliance operation pause.
Timer Indicator
• ON while in timer mode (on/off), OFF when timer mode is completed or canceled.
Comp. Running Incidator
• While in appliance operation, ON while in outdoor unit compressor running, OFF while in compressor off.
2) H/P Model
Operation Indicator
• ON while in appliance operation, OFF while in appliance pause.
• Flashing while in disconnection or short in Thermistor. (3 sec off / 0.5 sec on)
• Flashing while in disconnection or short in Thermistor. (3 sec off / 0.5 sec on)
Sleep Timer Indicator
• ON while in sleep timer mode, OFF when sleep timer cancel or appliance operation pause.
Timer Indicator
• ON while in timer mode (on/off), OFF when timer mode is completed or canceled.
Defrost Indicator
• OFF except when hot start during heating mode operation or while in defrost control.
■
Cooling Mode Operation
• When the intake air temperature reaches 0.5°C below the setting temp, the compressor and the outdoor fan
stop.
• When it reaches 0.5°C above the setting temp, they start to operate again.
Compressor ON Temp
➲
Setting Temp+0.5°C
Compressor OFF Temp
➲
Setting Temp-0.5°C
• While in compressor running, operating with the airflow speed set by the remote control. While in compressor
not running, operating with the low airflow speed regardless of the setting.
■
Healthy Dehumidification Mode
• When the dehumidification operation input by the remote control is received, the intake air temperature is
detected and the setting temp is automatically set according to the intake air temperature.
26°C
≤
Intake Air Temp
➲
25°C
24°C
≤
Intake Intake Air Temp<26°C
➲
Intake Air Temp-1°C
18°C
≤
Intake Intake Air Temp<24°C
➲
Intake Air Temp-0.5°C
Intake Air Temp<18°C
➲
18°C
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