LG LV-B3620CL Manuale utente
Contents
Functions.................................................................................................................................3
Product Specifications ...........................................................................................................5
Dimensions..............................................................................................................................6
Refrigeration Cycle Diagram..................................................................................................8
Wiring Diagram........................................................................................................................9
Operation Details ..................................................................................................................10
Display Function ...................................................................................................................15
Self-diagnosis Function........................................................................................................15
Installation .............................................................................................................................16
Operation ...............................................................................................................................33
Disassembly of the parts (Indoor Unit)...............................................................................34
2-way, 3-way Valve.................................................................................................................38
Cycle Troubleshooting Guide...............................................................................................44
Electronic Parts Troubleshooting Guide.............................................................................45
Electronic control device......................................................................................................49
Schematic Diagram...............................................................................................................50
Exploded View and Replacement Parts List.......................................................................51
–2–
Functions
• Room temperature sensor. (Thermistor)
• Maintains the room temperature in accordance with the Setting Temp.
• Indoor fan is delayed for 5 seconds at the starting.
• Restarting is inhibited for approx. 3 minutes.
• High, Med, Low, Chaos
--- Lights up in operation
--- Lights up in Sleep Mode
--- Lights up in Timer Mode
--- Lights up during compressor running
(only Cooling Model)
• Intermittent operation of fan at low speed.
• The fan is switched to low(Cooling), med(Heating) speed.
• The unit will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
• The fan is switched to intermittent or irregular operation
• The fan speed is automatically switched from high to
low speed.
• The louver can be set at the desired position or swing
up and down, right and left (not on all models) automatically.
• The setting temperature, indoor fan speed and desired
operation made are automatically set by fuzzy rule.
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
Operation indication Lamps (LED)
Soft Dry Operation Mode
Sleep Mode Auto Control
Natural Air Control by CHAOS Logic
Airflow Direction Control
Auto Operation
–3–
–4–
Soft Dry Operation Mode.( )
Remote Controller
Operation ON/OFF
Reset
Operation Mode Selection
Fan Speed Selection
Room Temperature Display
Temperature Setting
Setting the Time or Timer
Timer Selection
Timer Setting
Timer Cancel
Sleep Operation
Airflow Direction Control
TEMPERATURE LOW HIGH
(Low) (Med) (High) (CHAOS)
Cooling Operation Mode.( ) Auto Operation Mode.( )
Fan Operation Mode
ON OFF
SET
CANCEL
: High:39°CLOW:11°C
: OFF, ON, OFF ON
: Cancel Sleep Mode, Timer ON or Timer OFF.
: 1, 2, 3, 4, 5, 6, 7hr, Off Timer
: Fan Operates without cooling.
Cooling Down to 18°C
Up to 30°C
Product Specifications (Cooling Only)
Model Name
Item Unit
Cooling Capacity Btu/h(kcal/h) 36,000(9,072)
Moisture Removal l/h 5.0
Power Source
ø
, V, Hz
1ø220, 60Hz
Indoor 20
Outdoor 58
Input W 3,900
Running Current A 18
E.E.R. Btu/h-W 9.23
Indoor 1,200 x 205 x 615
Outdoor 790 x 965 x 320
Indoor 32
Outdoor 80
Refrigerant (R-22) g 3,150
Airflow Direction Control (Up & Down) O
Remocon Type L.C.D Wireless
Liquid 3/8" (9.52)
Gas 3/4" (19.05)
Sleeping Operation O
Drain Hose O
Connecting Wire 0.75mm2
Main Power Cable 3.5mm2
Time Delay Safety Function O
Air Circulation O
Soft Dry O
Fan Speed (Indoor) 3 (Hi, Med, Low)
Timer 24Hrs
Self-Diagnosis O
Auto-Restart O
Air Circulation m3/min
Dimensions
(W H D)
Net. Weight
mm
kg
LV-B3620CL
–5–
Service Valve &
Connecting Tube
Dimensions
(1) Indoor Unit
250mm
36mm
36mm 1076mm
1200mm
205mm
615mm
392mm
265mm
468mm
R
63mm
38mm
175mm
(Installation Plate)
(Rear Side)
–6–
(2) Outdoor Unit
320
790
385 72
482 4-ø12Hole
249
71
145 500 145
10 334
354
10
265
440
925
965
130
40
80
292.5
5
3
1
2
4
(Air intake vent)
(Air intake vent)
(Air intake vent)
–7–
Refrigeration Cycle Diagram
Pipe size(Diameter: ) Piping length(m) Elevation(m)
MODEL Gas Liquid Rated Max Rated Max
LV-B3620CL 3/4" 3/8" 5 20 5 10
INDOOR UNIT OUTDOOR UNIT
HEAT
EXCHANGER
(EVAPORATOR)
HEAT
EXCHANGER
(CONDENSER)
COMPRESSOR
GAS SIDE
LIQUID SIDE
CAPILLARY TUBE
–8–
For installation over rated distance, 50g of refrigerant should be added for each meter.
ex) When installed at a distance of 15m, 500g of refrigerant should be added.
(15-5) x 50g = 500g
Wiring Diagram
(1) Indoor Unit
–9–
DISPLAY PCB
ASSY.
MAIN PCB
ASSY.
TRANS-
FORMER THERMISTOR
CN-TH
CN-TRANS
CN-FAN
RY-L
OR
RD
BL
BK
MOTOR
CAPACITOR
BR YL
GN/YL
GN/YL
FUSE
T3.15A
STEP
MOTOR
RY-COMP
CN-4WAY
CN-UP/DOWN 1,2
BR
BL
WH
CN-DISP
DOOR S/W 1,2
43
RY-M
RY-H
TERMINAL
BLOCK
1
(L)
2
(N)
34
STEP
MOTOR
4123 65
3854A20039L
(OUTDOOR)
Outdoor Unit Wiring Diagram
NOTE
BL : BLUE
BK : BLACK
BR : BROWN
OR : ORANGE GN/YL : GREEN/YELLOW
52C
TMo
Co
MAGNETIC CONTACTOR
TERMINAL BLOCK
RUN CAPACITOR FOR FMo
TM
CM
CR
MAIN TERMINAL BLOCK
COMPRESSOR
RUN CAPACITOR FOR CM
F1
FMo
FUSE (250V, 5A)
OUTDOOR FAN MOTOR
P/NO : 3854A30042T
RD : RED
WH :WHITE
YL :YELLOW WIRING OF FIELD
(CONNECTING WIRE)
TM
POWER SUPPLY
BK
Cr
52C
BK
BK
L1
T1
L2
T2
B
A
WH
BK
WH
BK
WH
BL BK
RD
RC
S
CM
WH
WH
GN/YL
WH
BL
BK
2(N)
1(L)
Co
OR YL
BL
BK OR YL
BL
BK
Co
FMo1FMo2
THMO
C
H
L
GN/YL
TO INDOOR
F1
543
2
(
N
)
1
(
L
)
(2) Outdoor Unit
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
Operation Details
(1) The function of main control
1. Time Delay Safety Control
•3min…The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
•5sec…
Vertical air flow direction control louvers open in 5 seconds to prevent noise between louvers and wind.
•30sec…The 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. Airflow Direction Control
•This function is to swing the louver up and down 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 up and down automatically.
3nd ; Repress the Airflow Direction Control Button to set the louver as the desired position.
MODE0
1
2
3
4
5
67
135°
Cooling
MODE
MODE
MODE
MODE
MODE
MODE
MODE 9
MODE
(CLOSE)
–10–
Indice
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