LG LV-B1860RL Bedienungsanleitung

Room Air Conditioner

(Convertible Type)

SERVICE MANUAL

MODEL: LV-B1860RL

LV-B2460RL

(Applied to new Refrigerant R-410A)

Библиотека СОК 

Contents

Functions.................................................................................................................................3

Product Specifications (Cooling & Heating).........................................................................5

Dimensions..............................................................................................................................6

Refrigeration Cycle Diagram..................................................................................................8

Wiring Diagram........................................................................................................................9

Operation Details ..................................................................................................................10

Display Function ...................................................................................................................18

Self-diagnosis Function........................................................................................................18

Installation .............................................................................................................................19

Operation ...............................................................................................................................37

Disassembly of the parts (Indoor Unit)...............................................................................39

2-way, 3-way Valve.................................................................................................................43

Cycle Troubleshooting Guide...............................................................................................48

Electronic Parts Troubleshooting Guide.............................................................................49

Electronic control device......................................................................................................53

Schematic Diagram...............................................................................................................54

Exploded View and Replacement Parts List.......................................................................55

–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 in Deice Mode or Hot Start Mode (only Heating Model)

--- 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

•Both the indoor and outdoor fan

stops during deicing.

•Hot start after deice ends.

•The indoor fan stops until the

evaporator piping temperature

will be reached at 28°C.

Deice (defrost) control (Heating)

Hot-start Control (Heating)

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

(Cooling

model only) (Heating

model only)

TEMPERATURE LOW HIGH

(Low) (Med) (High) (CHAOS)

Cooling Operation Mode.( ) Heating Operation Mode.( )

Auto Operation Mode.( )

Fan Operation Mode

ON OFF

SET

CANCEL

: High:39°C↔LOW: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 model only)

Cooling Heating

Down to 18°C

Up to 30°C,Down to 16°C

Up to 30°C,

Product Specifications (Cooling & Heating)

–5–

Model Name

Item Unit

Cooling Capacity Btu/h(kcal/h) 20,000(5,040) 24,000(6,048)

Heating Capacity Btu/h(kcal/h) 20,000(5,040) 24,000(6,048)

Moisture Removal ℓ/h 2.5 3.5

Power Source

, V, Hz

, 220-240V~, 50Hz

Indoor 14.5 16

Outdoor 45 50

Input Cooling 1,950 2,550

Heating 1,950 2,550

Running Current Cooling 9.0 12.0

Heating 9.0 12.0

E.E.R.(Cooling) Btu/h-W 10.26 9.41

C.O.P.(Heating) w/w 3.0 2.76

Indoor 1,200 x 205 x 615

Outdoor 870 x 655 x 320

Indoor 30

Outdoor 59 59

Refrigerant (R-22) g 1,380 1,460

Airflow Direction Control (Up & Down) 󱇩󱇩

Remocon Type L.C.D Wireless

Liquid 1/4" (6.35) 1/4" (6.35)

Gas 1/2" (12.7) 1/2"(12.7)

Sleeping Operation 󱇩󱇩

Drain Hose 󱇩󱇩

Connecting Wire 0.75mm2󱈉

Main Power Cable 2.0mm2󱈉2.5mm2󱈉

Time Delay Safety Function 󱇩

Air Circulation 󱇩

Soft Dry 󱇩

Fan Speed (Indoor) 3 (Hi, Med, Low)

Timer 24Hrs

Self-Diagnosis 󱇩

Auto-Restart 󱇩

Air Circulation m3/min

Dimensions

(W×H×D)

Net. Weight

LV-B1860RL LV-B2460RL

Service Valve &

Connecting Tube

Dimensions

(1) Indoor Unit

250mm

36mm

36mm 1076mm

1200mm

205mm

615mm

392mm

265mm

468mm

63mm

38mm

175mm

(Installation Plate)

(Rear Side)

–6–

(2) Outdoor Unit

Gas side

3-way valve

Liquid side

3-way valve

L6L7 L8 L9

L11

L10

L5 L3

MODEL

DIM

W mm 870

H mm 655

D mm 320

L1 mm 370

L2 mm 25

L3 mm 340

L4 mm 630

L5 mm 25

L6 mm 546

L7 mm 162

L8 mm 162

L9 mm 54

L10 mm 74.5

L11 mm 79

–7–

LV-B1860RL

LV-B2460RL

• LV-B1860RL

• LV-B2460RL

For installation over rated distance, 30g of refrigerant should be added for each meter.

ex) When installed at a distance of 15m, 300g of refrigerant should be added.

(15-5) x 30g = 300g

–8–

INDOOR UNIT OUTDOOR UNIT

HEAT

EXCHANGER HEAT

EXCHANGER

COMPRESSOR

GAS SIDE

LIQUID SIDE

CAPILLARY TUBE

COOLING

HEATING

REVERSING

VALVE

CHECK VALVE

CAPILLARY TUBE

Pipe size(Diameter:󱇅) Piping length(m) Elevation(m)

MODEL Gas Liquid Rated Max Rated Max

LV-B1860RL 1/2" 1/4" 5 15 5 8

LV-B2460RL 1/2" 1/4" 5 20 5 8

Refrigeration Cycle Diagram

Wiring Diagram

(1) Indoor Unit

LV-B1860RL/2460RL

–9–

(INDOOR)

DISPLAY PCB

ASSY.

MAIN PCB

ASSY.

TRANS-

FORMER THERMISTOR

CN-TH

CN-TRANS

CN-FAN

RY-L

MOTOR

CAPACITOR

BR YL

GN/YL

FUSE

T3.15A

STEP

MOTOR

RY-COMP

CN-4WAY

CN-UP/DOWN 1,2

POWER

INPUT

GN/YL

CN-DISP

DOOR S/W 1,2

RY-M

RY-H

TERMINAL

BLOCK

(L)

(N)

3456 78

CONVERTIBLE(HEAT PUMP)

STEP

MOTOR

TO OUTDOOR UNIT

THERMISTOR

T/B1 BK

RD RD

HEATER

REVERSING

VALVE

HI PRESSURE S/W

COMP

CSR

FAN

MOTOR

RY2

CONVERTIBLE HEAT PUMP

TO INDOOR

34567

T/B2

RY1

L3 L2 L1

GN/YL

TERMINAL

BLOCK

3854A20031D

COMP

CSR

FAN

MOTOR

RY2

TO INDOOR

34567

THERMISTOR

T/B2

T/B1

T/B3

RY1

L3 L2 L1

RD RD

HEATER

REVERSING

VALVE

HI PRESSURE S/W

GN/YL

TERMINAL

BLOCK

CONVERTIBLE HEAT PUMP

3854A20025L

(2) Outdoor Unit

1. LV-B1860RL 2. LV-B2460RL

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

135°

Cooling

MODE

MODE 9

MODE

(CLOSE)

OPEN

135°

12°

Cooling

HeatingHeatingHeating

MODE 1

MODE 2

MODE 3

MODE 4

MODE 5

MODE 6

MODE 7

MODE 8

MODE 9

OPEN

135°

12°

Cooling

Heating

MODE 1

MODE 2

MODE 3

MODE 4

MODE 5

MODE 6

MODE 7

MODE 8

MODE 9

–10–

※For Heating Model

•Airflow direction control figure when installed on

the floor.

•Airflow direction control figure when installed

under the ceiling.

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