LG LP-E5082ZA Service Manual ▷ View online
– 17 –
(8) LP-E5092HL/ZL/HA/ZA
INDOOR ELECTRIC CIRCUIT
TM
3ø, 3 wires,
220V.
a
WH
BK
1
3
5
31
A
1
2
3
4
5
6
7
8
B
T/B1
T/B2
2
L1 L2
Ta
Tc
Tc
4
6
32
BK
BK
BK
YL
FMo1
49FMo
FMo2
49FMo
OR
BR
BK
YL
OR
BR
BK
CM
( Caution )
1. Basic wiring is 3ø,4 wires, 380V.
2. For changing the running
voltage to 220V, please change
the wiring by the next steps.
1st) Remove the 2 wires from
2. For changing the running
voltage to 220V, please change
the wiring by the next steps.
1st) Remove the 2 wires from
the "N" of the main terminal
block
block
2nd) Fit the removed 2 wires
on the "S' of the main
terminal block
terminal block
3rd) Change the compressor
wires
BK WH
WH
BL
BK
RD
BK
BR
BR
BL
Tmo
T
o the indoor unit
GN/YL
GN/YL
BL
BL
WH
20SV
RD
WH RD
U
V W X
Y
Z
BK
Co
Co
RD
BK
D.P
C TH
TNS
NO
NC
WH
WH
WH
YL
WH
BK
BK
OR
RD
WH
WH
52C
CH
63H2
52F1
51C
F1
b
3ø, 4 wires,
380V.
R S T N
1
2
3
4
5
6
2
3
4
5
6
3ø,4 wires,380V.
3ø,3 wires,220V.
V
U W
Y
X Z
V
U W
Y
X Z
3. For setting E.O.C.R current
POWER SUPPLY
3ø,220V,60HZ
3ø,380V,60HZ
3ø,380V,60HZ
CURRENT(A)
30.0
17.5
17.5
TIME(sec)
5
5
5
63H2
C TH
63H1
CH
20SV
52C
TM
52F1
51C
CM
Co
FMo
F1
DP
TMo
HIGH PRESSURE SWITCH FOR HEATING
THERMISTOR FOR PIPE TEMP.
INTERNAL T.P FOR FMo
CRANKCASE HEATER
REVERSING COIL
MAGNETIC CONTACTOR
MAIN TERMINAL BLOCK
RELAY FOR FMO
E.O.C.R
COMPRESSOR
RUN CAPACITOR FOR FMo
OUTDOOR FAN MOTOR
FUSE (250V, 10A)
DEICER PCB
TERMINAL BLOCK
WIRING FOR 380V
WIRING FOR 220V
WIRING OF FIELD
(CONNECTING WIRE)
WIRING FOR 220V
WIRING OF FIELD
(CONNECTING WIRE)
NOTE
BL
BK
BR
OR
BK
BR
OR
BLUE
BLACK
BROWN
ORANGE
BLACK
BROWN
ORANGE
:
:
:
:
:
:
:
RD
WH
YL
GN/YL
RED
WHITE
YELLOW
GREEN/YELLOW
WHITE
YELLOW
GREEN/YELLOW
:
:
:
:
:
:
:
Outdoor Unit Wiring Diagram
– 18 –
5. OPERATION DETAILS
(1) The function of main control
1. Time Delay Safety Control
• 3min...
The compressor is ceased for 3 minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
• 3sec...
The indoor fan is ceased for 1~3 seconds to prevent relay noise.
(Protection of fan relay and micro chip)
(Protection of fan relay and micro chip)
• 1min...
The 4-way valve is ceased for 30 sec. to prevent the refrigerant-gas abnormal noise when the Heating
operation is OFF or switched to the other operation mode.
operation is OFF or switched to the other operation mode.
2. Airflow Direction Control
• This function is to swing the louver left and right automatically and to set it at the desired position.
• The procedure is as the following.
1st : Press the ON/OFF Button to operate the product.
2nd : Press the Airflow Direction Control Button to swing the louver left and right automatically.
2nd : Press the Airflow Direction Control Button to swing the louver left and right automatically.
(Remote controller)
3rd : Repress the Airflow Direction Control Button to set the louver as the desired position.
(Remote controller)
3. Cooling Mode Operation
• When selecting the Cooling( ) Mode Operation, the unit will operate according to the setting by the
controller and the operation diagram is as following
Intake Air temp.
Setting Temp. +1
°
C
(Compressor ON)
Setting Temp. -1
°
C
(Compressor OFF)
Indoor Fan Speed
Selecting
fan speed
Selecting
fan speed
Selecting
fan speed
Selecting
fan speed
Selecting
fan speed
3 minutes
3 minutes
Compressor
ON
OFF
ON
OFF
ON
– 19 –
4. Auto Operation (Cooling Model only)
ƒU
The operation procedure is as following.
ƒ
ƒU
U
Auto Operation for Cooling
Press Start/Stop Button
Select Auto Operation Mode
Check the Room temperature
Operation Condition
Intake-air Temperature
Setting temperature
Fan speed
Over 26°C
25°C
Over 24°C~below 25.5°C
Intake air -1.0°C
Over 22°C~below 23.5°C
Intake air -0.5°C
below 21.5°C
Intake air Temperature(18°C, MAX)
When Switch to
Auto Operation
Controlled
by Fuzzy logic
Intake Air Temp.
Indoor Fan Speed
Compressor
ON
OFF
Fuzzy Speed
ON
OFF
Setting Temp. +1
°
C
(Compressor ON)
Setting Temp. -1
°
C
(Compressor OFF)
3 minutes
3 minutes
– 20 –
5. Heating Mode Operation
The unit will operate according to the setting by the remote controller and the operation diagram is shown as
following.
following.
Intake Air Temp.
Setting Temp.
(Compressor ON)
Setting Temp. -1
°
C
Indoor Fan Speed
Compressor
Electric Heater(Option)
ON
ON
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
Hot
Start
minimum
10sec.
minimum
1min
minimum
10sec.
OFF
A
A
OFF
LOW
LOW
LOW
Setting Temp. +1
°
C
(Compressor OFF)
Selecting
fan speed
Selecting
fan speed
fan speed
• A point: The indoor pipe temperature to be less then 35°C or Discharge air Temperature to be less than 29°C.
The indoor fan operates for minimum 10sec. even if the indoor pipe temperature falls lower than35°C
or the discharge air Temperature falls lower than 29°C.
or the discharge air Temperature falls lower than 29°C.
Low(
V
)
Stop(
VI
)
39˚C
Discharge Air Temp.
Indoor Pipe Temp.
34˚C
28˚C
26˚C
26˚C
Selecting Fan Speed(
IV
)
Low(
II
)
Stop(
I
)
(Hot-Start Operating)
Heating Start
(Hot-Start Release Point)
Selecting Fan Speed(
III
)
¡
During heating operation, the operating procedure of the indoor fan is as the following.
Step
Indoor fan speed
Pipe temp.
Air discharge temp.
¥
Off
≤
28°C(Hot start operating)
–
¥–
Low
≥
28°C
<39°C
¥†
Selecting speed
≥
28°C
≥
39°C
¥‡
Selecting speed
≥
28°C
>34°C
¥·
Low
≥
26°C
≤
34°C
¥
Off
≤
26°C
–
Click on the first or last page to see other LP-E5082ZA service manuals if exist.