LG LB-E608HL Manuale utente
SERVICE MANUAL
LG LB-E608HL
MODEL
P/No.: 3828A30014U August, 1999
Printed in Korea
Functions
ƒURoom temperature sensor. (Thermistor)
ƒUMaintains the room temperature in accordance with the Setting Temp.
ƒUIndoor fan is delayed for 5 seconds at the starting.
ƒURestarting is inhibited for approx. 3 minutes.
ƒUHigh, Med, Low
ƒUIntermittent operation of fan at low speed.
ƒUThe setting temperature, indoor fan speed and desired operation mode are automatically set.
ƒUBoth the indoor and outdoor fan stops during defrosting.
ƒUHot start after defrost ends.
ƒUThe indoor fan stops until the evaporator piping temperature will be reached at 28°C.
Indoor Unit
Operation ON/OFF by Remote controller
Sensing the Room Temperature
Room temperature control
Starting Current Control
Time Delay Safety Control
Indoor Fan Speed Control
Soft Dry Operation Mode
Deice (defrost) control (Heating)
Hot-start Control (Heating)
Auto Operation
–3–
–4–
Remote Controller
Operation ON/OFF
Operation Mode Selection
Fan Speed Selection
Room Temperature Display
Temperature Setting
Setting the Time or Timer
(Cooling
model only) (Heating
model only)
(Low) (Med) (High)
Cooling Operation Mode ( )
Heating Operation Mode ( ) Soft Dry Operation Mode ( )
Fan Operation Mode
HIMEDLO
Set
: High:39°C ¡ŒLOW:11°C
: Fan Operates without cooling & heating
Cooling Heating
Down to 18°C
Up to 30°C,Down to 16°C
Up to 30°C,
When the air conditioner is turned off by a power failure, it is restarted
automatically after a power resupply.
✓
Product Specifications (Cooling & Heating)
Air Circulation m3/min
Dimensions
(W¡¿H¡¿D)
Net. Weight
mm
kg
W
A
LB-E6080HL
380-415V
–5–
Service Valve &
Connecting Tube
Model Name
Volt
Item Unit
Cooling Capacity Btu/h(W)
Heating Capacity Btu/h(W)
Moisture Removal §⁄/h
Power Source §j, V, Hz
Indoor
Outdoor
Input Cooling
Heating
Running Current Cooling
Heating
E.E.R. Btu/h-W
Indoor
Outdoor
Indoor
Outdoor
Refrigerant (R-22) g
Remocon Type
Liquid
Gas
Drain Hose
Connecting Wire
Main Power Cable
Time Delay Safety Function
Soft Dry
Fan Speed (Indoor)
Timer
Self-Diagnosis
57,000 (16,700)
60,000 (17,580)
7.5
3ø,380-415V~, 50Hz
53
105
7,500
6,000
13
12
8.2
1,230 x 370 x 680
900 x 1,220 x 370
70
95
4,500
L.C.D
1/2" (12.7)
3/4" (19.05)
O
1.25mm2¤C
3.5mm2¤C
O
O
3 (Hi, Med, Low)
24Hrs
O
Dimensions
MODEL:LB-E6080HL
Indoor Unit
900
1220
370
1230 680
370
–6–
Outdoor Unit
Refrigeration Cycle Diagram
• MODEL: LB-E6080HL
(§Rated performance for refrigerant line length of: 5m)
For installation over rated distance, 70g of refrigerant should be added for each meter.
ex) When installed at a distance of 15m, 525g of refrigerant should be added.
(15-7.5) x 70g = 525g
Pipe size(Diameter: ø) Piping length(m) Elevation(m)
MODEL Gas Liquid Rated Max. Rated Max.
LB-E6080HL 3/4" 1/2" 5 30 5 30 70
INDOOR UNIT OUTDOOR UNIT
HEAT
EXCHANGER HEAT
EXCHANGER
COMPRESSOR
GAS SIDE
LIQUID SIDE
COOLING
HEATING
REVERSING
VALVE
CHECK VALVE
CAPILLARY TUBE
–7–
Additional
refrigerant
(g/m)
Wiring Diagram
MODEL: LB-E6080HL
• Indoor Unit
• Outdoor Unit
–8–
2
E
4
FMi
TRANS
WH
BL
BK
GN/YLGN/YL
RD
OR
CN-TRANS2
PWB ASM
CN-POWER
CN-TRANS1
Hi Med Low
CN-MOTOR
RY-FAN
RY-4WAY
RY-COMP
CN-OUT
1
3
E
DC-12V
SIGNAL
GND
Remo.
CN-REMO
INDOOR ELECTRIC CIRCUIT
INDOOR UNITOUTDOOR UNIT
(RD)
(YL)
(BR)
P/NO : 3854A90021K
4
5
3
1
2
COi
GN/YL
CN-TH
EVA
TH ROOM
TH1
RTM
3fl, 380-415V, 50Hz
POWER SUPPLY
S T N
BK BK BK
WH
WH
RD
OR
BK
63H2
WH
D.P C TH
TNS NO NC
WH
OR
BK 52F1
52C 1
2
3
4
5
6
31
T/B1
T/B2
32
B
A
F1
FMo
49FMo FMo
49FMo
YL BK
OR
BK
T3 T2 T1
RD
WH
CM
1 2
3 4
5 6
7 8
YL BK
OR
BK
BK
WH
BL
BL
WH
Co Co
20SV
WH
F1
–9–
Operation Details
(1) The function of main control
1. Time Delay safety Control
• 3min¡ƒ The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
• 30sec¡ƒThe 4-way valve is ceased for 30sec. to prevent the refrigerant-gas abnormal noise when the Heating
operation is OFF or switched to the other operation mode while compress is off.
While compressor is running, it takes 3~5 seconds to switch.
2. Soft-Dry Operation
• The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is impossible because of
already being set to the best speed for Dry Operation by Micom Control.
3. Cooling Mode Operation
• When selecting the Cooling( ) Mode Operation, the unit will operate according to the setting by the remote con-
troller and the operation diagram is as following
Intake Air temp.
COMP. ON
(SET TEMP.+0.5°C)
COMP. OFF
(SET TEMP. -0.5°C) More than More than
3 minutes 3 minutes
Selecting Selecting Selecting
fan speed fan speed fan speed
COMPRESSOR ON OFF ON OFF ON
INDOOR FAN Low Low
Intake Air temp.
Setting temp.+3°C
(Compressor OFF)
Setting temp.
(Compressor ON)
INDOOR FAN Low OFF Low Low OFF
COMPRESSOR ON OFF ON OFF
ƒUA point; While the indoor Heat-Exchanger temperature is higher than 35°C fan operates at low speed, when
it becomes lower than 35˚C fan stops.
ƒUB point; When the indoor Heat-Exchanger temperature is higher than 35°C, fan operates at seleted fan
speed, when it becomes lower than 35°C, the fan operates at low speed for 10sec, after 10sec, it
operates at seleted fan speed.
–10–
4. Heating Mode Operation (Except Cooling Model)
The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
Hot Start
Low
Selecting
Fan Speed
minimum 3min
Selecting fan
speed
minimum
10sec.
1min
A A
minimum
1min. minimum
10sec.
B
5. Hot-Start Control
ƒU The indoor fan stops until the evaporator piping temperature will be reached to 28°C.
ƒUThe operation diagram is as following.
PIPING
TEMPERATURE 1min
COMPRESSOR
INDOOR FAN
ON
26°C
: Selected Fan : Low Fan : Fan Stop
28°C
Indice
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