Download Ceiling Cassette Air Conditioner SVC MANUAL(Exploded View)

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Ceiling Cassette Air Conditioner
SVC MANUAL(Exploded View)
MODEL : LT-H488DLE1
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
1. Specification
Indoor
Indoor Unit Type
Models
Decorative Panel Model
Power Supply
Cooling Capacity
Heating Capacity
Current
Fan
Nominal Running Current
Motor Type
Fan Type
Motor Output(W) x No. of Unit
Air Flow Rate
(H / M / L)
External Static Pressure
Capacitor
Drive
Coil
Row x Column x FPI
Dimensions (W x H x D) Body
Decorative Panel
Net Weight
Body
Decorative Panel
Air Filter
Sound Level (H / M / L / SL)
Piping
Liquid
Connections
Gas
Drain(OD/ID)
Dehumidification Rate
Safety Devices
Temperature Sensor
Referigerant
Referigerant Control
Connectable Outdoor Unit
Power and Transmission Interunit Cable
Ceiling Cassette
LTNH488DLE1
PT-HDA1
Ø / V / Hz
kW
Btu/h
kW
Btu/h
A
CMM
cfm
mmAq
µF / Vac
mm(inch)
mm(inch)
kg (lbs)
kg (lbs)
dB(A)+3
mm (inch)
mm (inch)
mm
l/h
No. x mm2
3/380~415/50
14
47,770
15.2
51,865
0.4
BLDC
Turbo
124*1
31/29/27
1094/1024/953
680/400
Direct
2R*12C*19FPI
840*840*288(33.1*33.1*11.3)
950*950*30(37.4*37.4*1.2)
31/68.3)
5(11)
Long Life Filter
45/44/42/41
9.52(3/8)
19.05(3/4)
32/25
2.4
Fuse, Thermal Protector
Thermistor
R22
Capillary Tube
LTUH488DLE1
5* 3.5 ( 5* 0.75)
Note:
1. Capacities are based on the following conditions:
Cooling:
- Indoor Temperature 27°C(80.6°F) DB/19°C(66.2°F) WB
- Outdoor Temperature 35°C(95°F) DB/24°C(75.2°F) WB
Heating:
- Indoor Temperature 20°C(68°F) DB/15°C(59°F) WB
- Outdoor Temperature 7°C(44.6°F) DB/6°C(42.8°F) WB
Piping Length - Interconnecting Piping Length 7.5m
- Level Difference of Zero
2. Wiring cable size must comply with the applicable local and national code.
3. The specification may be subject to change without prior notice for purpose of improvement.
2 Ceiling Cassette Air Conditioner
Conversion Formula
kW = Btu/h x 0.0002931
cfm = CMM x 35.3
Outdoor
Outdoor Unit
Nominal Capacity
(Min~Rating~Max)
Cooling
Heating
Nominal Input
Cooling
(Min~Rating~Max)
Heating
Testing Combination
Running Current(Rating) Cooling
Heating
Starting Current
Cooling/Heating
Power Supply
Power Supply Cable(Outdoor)
Power and Transmission Cable
(Outdoor to Indoor or Outdoor to BD)
Power and Transmission Cable(BD to Indoor)
Dimensions
WxHxD
Net Weight
Max. Number of Connectable Indoor Units
Compressor (#1)
Type
Qty x Model
Motor type
Oil charge volume
Oil Type
Compressor (#2)
Type
Qty x Model
Motor type
Oil charge volume
Oil type
Compressor (#3)
Type
Qty x Model
Motor type
Oil charge volume
Oil type
Refrigerant
Cycle A Charge (at 7.5m)
Cycle B Charge (at 7.5m)
Type
Control
Additional Refrigerant Charge
Heat Exchanger
(Rows x Column x FPI) x No.
Defrosting Method
Fan
Capacitor
Drive
Discharge Direction(Side/Top)
Air Flow RatexNo. of Fan
Sound Level(H/L)
Sound Pressure
Piping Connections
Liquid(Cycle A)
Gas(Cycle A)
Liquid(Cycle B)
Gas(Cycle B)
High Pressure Gas
Max. Interunit
Total Piping
Piping Length
Main Piping
Total Branch Piping
Each Branch Piping
Max. Elevation
Outdoor Unit~Indoor Unit
Difference
Indoor Unit~Indoor Unit
Operation Range
Cooling
(Outdoor)
Heating
LTUH488DLE1
14
47,770
15.2
51,865
4.9
4.9
8.5
8.7
3/380-415/50
5*3.5(Including Earth)
5*0.75(Including Earth)
kW
Btu/h
kW
Btu/h
kW
kW
A
A
A
Ø / V / Hz
No. x mm2
No. x mm2
No. x mm2
mm(inch)
kg(lbs)
cc
cc
cc
g(oz)
g(oz)
g/m(oz/ft)
µF/Vac
CMM(cfm)
dB(A)+3
mm(inch)
mm(inch)
mm(inch)
mm(inch)
mm(inch)
m
m
m
m
m
m
°C(°F)
°C(°F)
1130*900*370 (44.5 *35.4*14.5)
105(231)
1
SCROLL
1 * SB061YAA
Induction
1,650
SUNISO 4GSI
3,700(130.5)
R22
Capillary Tube
45(0.48)
(2R*22C*18FPI)*2
Reversing Cycle
6/370-400
Direct
Side
110(3885)
59
9.52(3/8)
19.05(3/4)
50
30
21~54
-7~24
Note:
1. Capacities are based on the following conditions:
Cooling:
- Indoor Temperature 27°C(80.6°F) DB/19°C(66.2°F) WB
- Outdoor Temperature 35°C(95°F) DB/24°C(75.2°F) WB
Heating:
- Indoor Temperature 20°C(68°F) DB/15°C(59°F) WB
- Outdoor Temperature 7°C(44.6°F) DB/6°C(42.8°F) WB
Piping Length - Interconnecting Piping Length 7.5m
- Level Difference of Zero
2. Wiring cable size must comply with the applicable local and national code.
3. The specification may be subject to change without notic for purpose of improvement.
Conversion Formula
kW = Btu/h x 0.0002931
cfm = CMM x 35.3
Service Manual 3
2. List of Functions
Indoor
Category
Function
Air Supply Outlet
Airflow Direction Control (left & right)
Airflow Direction Control (up & down)
Auto Swing (left & right)
Auto Swing (up & down)
Air flow
Airflow Steps(Fan / Cool / Heat)
CHAOS Swing
CHAOS Wind (Auto wind)
Jet Cool (Power Wind)
Swirl Wind
Deodorizing Filter
Air Purifier Plasma Air Purifier
Prefilter(Washable / Anti-Fungus)
Drain Pump
E.S.P. Control
Installation
Electric Heater(Operation)
High Ceiling Operation
Hot Start
Reliability Self Diagnosis
Soft Dry Operation
Auto Changeover
Auto Cleaning
Auto Operation (Artificial Intelligence)
Auto Restart Operation
Child Lock
Convenience Forced Operation
Group Control
Sleep Mode
Timer (On/Off)
Timer (weekly)
Two Thermistor Control
Standard Wired Remote Controller
Deluxe Wired Remote Controller
Individual Simple Wired Remote Controller
Control
Wired Remote Controller(for hotel use)
Wireless Remote Controller(simple)
Wireless LCD Remote Controller
General Central Controller(Non LGAP)
CAC
Dry Contact
Network
Network Soluation(LGAP)
Function PDI(Power Distribution Indicator)
PI485
Zone Control
Special
Function CTIE
Kit
Electro Thermostat
Thermistor
Others
LTNH488DLE1
4
Auto
X
O
4/5/4
X
O
O
O
X
OPTION
O
O
O
O
O
O
O
X
O
O
O
O
O
O
O
O
O
O
X
X
X
X
ACCESSORY(PQWRHSF0)
X
OPTION
O
X
ACCESSORY(PMNFP14A0)
X
X
X
-
Note :
O : Applied, X : Not applied, – : No relation
Option: Model name & price are different according to options, and assembled in factory with main unit.
Accessory: Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package.
Skip over evaporator sensing means that the function of knock-off to prevent freezing is skipped, when IDU start cooling mode.
4 Ceiling Cassette Air Conditioner
Outdoor
Category
Reliability
Convenience
CAC Network
Function
Special Function Kit
Others
Function
Defrost / Deicing
High Pressure Switch
Low Pressure Switch
Phase protection
Restart Delay (3-minutes)
Self Diagnosis
Soft Start
Test Function
Auto Changeover
Auto Restart Operation
Central control(LGAP)
PDI(Power Distribution Indicator)
PI485
Low Ambient Kit
Thermistor
LTNH488DLE1
O
O
X
O
O
O
X
O
O
O
O
X
X
ACCESSORY
-
Note :
O : Applied, X : Not applied, – : No relation
Option: Model name & price are different according to options, and assembled in factory with main unit.
Accessory: Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package.
Service Manual 5
3. Piping Diagrams
Indoor Unit
Outdoor Unit
Capillary Tube
Th2
Liquid Side
Capillary Tube
3-Way Valve
Th1
Heat
Exchanger
(Evaporator)
Heat
Exchanger
(Condenser)
Th3
Gas Side
Reversing Valve
3-Way Valve
High Pressure S/W
Cooling
Heating
Compressor
LOC.
Description
PCB Connector
Th1
Thermistor for indoor air temperature
CN_ROOM
Th2
Thermistor for evaporating temperature
CN_PIPE1
Th3
Thermistor for condensing temperature
Deice PCB
6 Ceiling Cassette Air Conditioner
4. Wiring Diagrams
Indoor Unit
0.7
CN-POWER
CN-DPUMP
CN-MOTOR2
CN-FLOAT
CN-ROOM
CN-PIPE1
CN-REMO
CN-VANE2
CN-VANE1 CN-DISP
Service Manual 7
Outdoor Unit
Anti phase
PCB
Magnetic
Contactor
Fuse
Fan
Capacitor
8 Ceiling Cassette Air Conditioner
Deice PCB
Connecting
wire Terminal
block
Main Power
Terminal Block
5. Exploded View
Indoor Unit
130400
249951
W6640
268711
ROOM
W49810
354211
PIPE
263230-1
349480
552111
352118
330860
330870
158591
Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer's request.
Please check the correct parts in View RPL(Replacement Part List) on GCSC.
(GCSC Website http://biz.Lgservice.com,)
Service Manual - 9 -
Please check the service part of front panel by model name(PT-HDA1)
130412
130911-3
346810
359012
130911-4
130911-2
352150
130911-1
267110
249310
Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer's request.
Please check the correct parts in View RPL(Replacement Part List) on GCSC.
(GCSC Website http://biz.Lgservice.com,)
- 10 - Ceiling Cassette Air Conditioner
552203-2
W6920
430411
566001
435511
437211
435301
435512
559010
137213
546810
549610
447900
554031
649950
W0CZZ
268711
554160
148000
DEICE
552117
561410
552116
263230-4
552115-1
552203-1
552115-2
552115-3
437212
Outdoor Unit
Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer's request.
Please check the correct parts in View RPL(Replacement Part List) on GCSC.
(GCSC Website http://biz.Lgservice.com,)
Service Manual - 11 -
P/NO : MFL33061306
FEBRUARY, 2007
P/NO : MFL33061306
AUGUST, 2007