Lennox LT-B3021HW Installation Operating & Maintenance Manual
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Lennox LT-B3021HW Installation Operating & Maintenance Manual

Lennox LT-B3021HW Installation Operating & Maintenance Manual

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INSTALLATION
OPERATING &
MAINTENANCE MANUAL
SPLIT CASSETTE
English
June 2002

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Summary of Contents for Lennox LT-B3021HW

  • Page 1 INSTALLATION OPERATING & MAINTENANCE MANUAL SPLIT CASSETTE English June 2002...
  • Page 3 REFERENCE EQUIVALENCE : LENNOX REFERENCE FACTORY NUMBER DHA 28 LT-B2861HL...

  • Page 5: Table Of Contents

    Contents Functions ..........................3 Product Specifications (Cooling & Heating)................ 5 Dimensions ..........................8 Refrigeration Cycle Diagram ....................11 Wiring Diagram........................13 Operation Details ......................... 19 Installation of Indoor, Outdoor Unit..................22 Test Running ........................34 Cycle............................36 Cycle Troubleshooting Guide....................39 Electronic Parts Troubleshooting Guide................

  • Page 6: Functions

    Functions Indoor Unit Operation ON/OFF by Remote controller Sensing the Room Temperature • Room temperature sensor. (Thermistor) Room temperature control • Maintains the room temperature in accordance with the Setting Temp. Starting Current Control • Indoor fan is delayed for 5 seconds at the starting. Time Delay Safety Control •...

  • Page 7: Remote Controller

    Remote Controller Operation ON/OFF Operation Mode Selection Cooling Operation Mode ( Soft Dry Operation Mode ( Heating Operation Mode ( Auto Operation Mode ( (Cooling (Heating model only) model only) Fan Speed Selection (Low) (Med) (High) Room Temperature Display : High:39°C ↔ LOW:11°C Temperature Setting Down to 18°C Down to 16°C...

  • Page 8: Product Specifications (Cooling & Heating)

    Product Specifications (Cooling & Heating) 1. 60Hz Model Name B2421CL B2421HL B2821CL B3021CL/CW B2821HL B3021HL/HW Item Unit 24,000(6,048) 24,000(6,048) 28,000(7,056) 30,000(7,560) 28,000(7,056) 30,000(7,560) Cooling Capacity Btu/h(kcal/h) – 24,000(6,048) – – 28,000(7,056) 30,000(7,560) Heating Capacity Btu/h(kcal/h) Moisture Removal 1Ø, 220V, 60Hz Power Source Ø, V, Hz Indoor...
  • Page 9 2. 50Hz Model Name LT-B2461CL LT-B2461HL LT-B2861CL LT-B2861HL Item Unit 24,000(6,048) 24,000(6,048) 28,000(7,056) 28,000(7,056) Cooling Capacity Btu/h(kcal/h) – 24,000(6,048) – 28,000(7,056) Heating Capacity Btu/h(kcal/h) ℓ/h Moisture Removal 1Ø, 220V~240V, 50Hz Power Source , V, Hz Indoor Air Circulation /min Outdoor 2,800 2,800 2,850...
  • Page 10 Model Name B3681CL B3681HL B3661CL B3661HL B3621CL/CW B3621HL/HW Item Unit 36,000(9,072) 36,000(9,072) 36,000(9,072) 36,000(9,072) 36,000(9,072) 36,000(9,072) Cooling Capacity Btu/h(kcal/h) – 36,000(9,072) – 36,000(9,072) – 36,000(9,072) Heating Capacity Btu/h(kcal/h) Moisture Removal 3Ø, 380-415V, 50Hz 1Ø, 220V, 60Hz 1Ø, 220-240V, 50Hz Power Source Ø, V, Hz Indoor Air Circulation...

  • Page 11: Dimensions

    Dimensions Indoor Unit –8–...
  • Page 12 Outdoor Unit Gas side 3-way valve Liquid side 3-way valve MODEL LT-B2421CL/HL, LT-B2461CL/HL LT-B2861HL, LT-B2821HL, LTB3021HL/HW LT-B2861CL, LT-B2821CL, LT-B3021CL/CW 74.5 74.5 –9–...
  • Page 13 Outdoor Unit(LT-B3621CL/CW/HL/HW, B3661CL/HL, B3681CL/HL) 4-ø12Hole (Air intake vent) (Air intake vent) –10–...

  • Page 14: Refrigeration Cycle Diagram

    Refrigeration Cycle Diagram • COOLING ONLY INDOOR UNIT OUTDOOR UNIT CAPILLARY TUBE LIQUID SIDE HEAT HEAT EXCHANGER EXCHANGER (EVAPORATOR) (CONDENSER) COMPRESSOR GAS SIDE Elevation B(m) * Additional Pipe Size Length A(m) refrigerant MODEL (g/m) Max. Max. Rated Rated GAS LIQUID 24K, 28K, 30K BTU 5/8"...

  • Page 15: Heat Pump

    • HEAT PUMP INDOOR UNIT OUTDOOR UNIT LIQUID SIDE CAPILLARY TUBE CHECK VALVE CAPILLARY TUBE HEAT HEAT EXCHANGER EXCHANGER GAS SIDE REVERSING VALVE COOLING COMPRESSOR HEATING Elevation B(m) * Additional Pipe Size Length A(m) refrigerant MODEL (g/m) Max. Max. Rated Rated GAS LIQUID 24K, 28K, 30K BTU 5/8"...

  • Page 16: Wiring Diagram

    Wiring Diagram (1) Indoor Unit 1. COOLING ONLY 2. HEAT PUMP –13–...
  • Page 17 (2) Outdoor Unit 2. LT-B2461HL/B2421HL 1. LT-B2461CL/B2861CL/B2421CL B2821CL/B3021CL/B3021CW COMP. Capacitor Capacitor MOTOR MOTOR COMP. CAPACITOR GN/YL P.T.C (OPTION) POWER REVERSING RELAY COIL POWER RELAY GN/YL GN/YL TERMINAL 1 ( N ) 2 ( L ) 3 ( N ) 4 ( L ) GN/YL GN/YL BLOCK...

  • Page 18: Outdoor Unit Wiring Diagram

    5. LT-B3681CL Outdoor Unit Wiring Diagram R S T N 3Ø, 380-415V POWER SUPPLY THMO 3(N) 4(L) GN/YL OR YL BL BK OR YL BL BK NOTE BL : BLUE RD : RED BK : BLACK WH : WHITE BR : BROWN YL : YELLOW WIRING OF FIELD OR : ORANGE...
  • Page 19 6. LT-B3681HL Outdoor Unit Wiring Diagram C TH T/B1 R S T N 63H2 3Ø, 380-415V POWER SUPPLY 52F2 52F1 BL BK 3(N) 4(L) GN/YL THMO OR YL BL BK OR YL BL BK 20SV BK NOTE BL : BLUE RD : RED BK : BLACK WH : WHITE...
  • Page 20 7. LT-B3621CL/B3621CW/B3661CL Outdoor Unit Wiring Diagram GN/YL POWER SUPPLY THMO BL BK 3(N) 4(L) GN/YL OR YL BL BK OR YL BL BK NOTE BL : BLUE RD : RED BK : BLACK WH : WHITE BR : BROWN YL : YELLOW WIRING OF FIELD OR : ORANGE GN/YL : GREEN/YELLOW...
  • Page 21 8. LT-B3621HL/B3621HW/B3661HL Outdoor Unit Wiring Diagram C TH T/B1 GN/YL 63H2 POWER SUPPLY 52F2 52F1 BL BK 3(N) 4(L) GN/YL THMO OR YL BL BK OR YL BL BK 20SV BK NOTE BL : BLUE RD : RED BK : BLACK WH : WHITE BR : BROWN YL : YELLOW...

  • Page 22: Operation Details

    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 louvers are delayed for 5 secs to be opened to prevent the frictional sound between louver and air flow. •...

  • Page 23: Heating Mode Operation

    6. Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as follows. Intake Air temp. minimum 3min Setting temp.+3°C (Compressor OFF) Setting temp. (Compressor ON) minimum minimum minimum 1min 10sec.
  • Page 24 8. Defrost Control • Defrost control is available 45 minutes later since heating mode operation started, and it will not prolong over 10 minutes. • Defrost control is carried out when the outdoor pipe temp. falls below -6°C for more than 3 minutes after 45 minutes passed from starting of heating operation.

  • Page 25: Installation Of Indoor, Outdoor Unit

    Installation of Indoor, Outdoor Unit 1. Selection of the best location 1) Indoor unit • There should not be any heat source or steam near the unit. • There should not be any obstacles to the air cir- culation. Ceiling Ceiling Board Ceiling Board •...
  • Page 26 3) Piping length and the elevation Indoor unit Pipe Size Elevation B(m) * Additional Length A(m) refrigerant MODEL (g/m) Max. Max. GAS LIQUID Rated Rated 24K, 28K, 30K BTU 5/8" 3/8" 36K BTU 3/4" 3/8" Outdoor unit • Rated performance for refrigerant line length of: 5m •...

  • Page 27: Ceiling Opening Dimensions And Hanging Bolt Location

    2. Ceiling opening dimensions and hanging bolt location • The dimensions of the paper model for installing are 840 (Ceiling opening) the same as those of the ceiling opening dimen- sions. 624(Hanging bolt) 800 Unit size Unit:mm CAUTION • This air-conditioner uses a drain pump. •...

  • Page 28: The Indoor Unit Installation

    3. The Indoor Unit Installation Ceiling Keep the length of the bolt Hanging bolt from the bracket to 40mm (W3/8 or M10) Flat washer for M10 Air Conditioner body (W3/8 or M10) (accessory) Ceiling board Ceiling board Spring washer (M10) Flat washer for M10 (accessory) Paper model...

  • Page 29: Wired Remote Control Installation

    WIRED REMOTE CONTROL INSTALLATION DISASSEMBLING • Separate the under plate from Remote control box. Front case Lever carefully Remote control • Fix the cord clamps on the wall by the box open box body using a screw ø 3 tapping screws (accessory). driver, etc.

  • Page 30: Wiring Connection

    5. Wiring Connection • Open the control box cover and connect the Remote control cord and Indoor power wires. Remote control cord Indoor Power wires Control Control box cover box cover fitting screw (4 units) [Air inlet side view] Wire taking inlet 1 Phase Terminal Block of Indoor Unit Terminal Block of Outdoor Unit...

  • Page 31: Electrical Wiring

    ELECTRICAL WIRING 1. All wiring must comply with LOCAL REGULATIONS. 2. Select a power source that is capable of supplying the current required by the air conditioner. 3. Feed the power source to the unit via a distribution switch board designed for this purpose. 4.

  • Page 32: Connecting Pipes To The Indoor Unit

    6. Connecting Pipes to the Indoor Unit • Preparation of Piping Copper Main cause of gas leakage is defect in flaring Slanted Uneven Rough tube 90° work. Carry out correct flaring work in the following procedure. 1) Cutting the pipes and the cable. Use the accessory piping kit or the pipes pur- chased locally.

  • Page 33: Piping Connection

    Piping Connection Liquid side 1. Form the piping according to its routing. Avoid bending and bending back the same piping point more than three times. (This will result in hardening Indoor of pipe.) unit 2. After deforming the piping, align centers of the Outdoor union fitting of the indoor unit and the piping, and Flare connection...

  • Page 34: Installation Of Decorative Panel

    7. Installation of Decorative Panel The decorative panel has its installation Before installing the decorative panel, direction. always remove the paper template. 1. Temporarily fix two decorative panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount 10mm in length.) The fixing screws (hexagon M5 screw) are included the decorative panel box.

  • Page 35: Indoor Unit Drain Piping

    CAUTION Install certainly the decorative panel. Cool air leakage causes sweating. Water drops fall. Good example Bad example Air conditioner unit Air conditioner Cool air leakage unit (no good) Ceiling Ceiling board board Decorative Decorative panel panel Fit the insulator (this part) and be careful for cool air leakage 8.

  • Page 36: Heat Insulation

    HEAT INSULATION 1. Use the heat insulation material for the refriger- ant piping which has an excellent heat-resis- Fastening band (accessory) tance (over 120°C). 2. Precautions in high humidity circumstance: This air conditioner has been tested according to the "KS Standard Conditions with Mist" and con- firmed that there is not any default.

  • Page 37: Test Running

    In case of the Outdoor Unit being installed above Seal a small opening position of the Indoor Unit. around the pipings with gum type sealer. 2. Tape the Pipings and Connecting cable from bottom to top. Trap 3. Form the pipings gathered by taping along the exterior wall, and make the trap prevent water from entering into the room.
  • Page 38 2) Connection of power supply 1. Connect the power supply cord to the inde- pendent power supply. • Circuit breaker is required. 2. Operate the unit for fifteen minutes or more. 3) Evaluation of the performance 1. Measure the temperature of the intake and dis- charge air.

  • Page 39: Cycle

    Cycle 1. Installation (Connecting the piping between indoor and outdoor unit) Liquid side Indoor unit Outdoor unit 3-Way valve Gas side 3-Way valve Gas cylinder Purge the air • Installation (1) Connect the piping between the indoor and (5) If there is no leakage, discharge N in piping outdoor unit firmly.
  • Page 40 2. Disconnection (on moving) Liquid side Indoor unit Closed Outdoor unit 2-Way valve Gas side Closed 3-Way valve Retrieving Tank • Disconnection (1) Attach the charging hose (manifold gage) to (6) Disconnect the piping between indoor and the service port. outdoor unit and then put on service cap to –...

  • Page 41: Gas Charging

    3. Gas Charging (After Evacuation) Liquid side Indoor unit Open Outdoor unit 2-Way valve Gas side Open 3-Way valve Check valve Charging cylinder OPEN CLOSE • Procedure This is different from previous procedures. (1) Connect the charge hose to the charging Because you are charging with liquid refrigerant cylinder.

  • Page 42: Cycle Troubleshooting Guide

    Cycle Troubleshooting Guide Trouble analysis 1. Check temperature difference between intake and discharge air and operating current. Temp. difference : approx. 0°C All amount of refrigerant leaked out Current : less than 80% of Check refrigeration cycle rated current Temp. Difference Refrigerant leakege Temp.

  • Page 43: Electronic Parts Troubleshooting Guide

    Electronic Parts Troubleshooting Guide Possible Trouble 1 : The unit does not operate. Check the FUSE Is the input voltage and the wiring diagram. AC220V? Is the output voltage Is shorted the Check the main P.C.B of transformer about AC14V? transformer output? pattern.
  • Page 44 Possible Trouble 2 : The indoor fan does not operate. Is it the HOT It is normal operation. START mode? Is IC01M operated Exchange IC01M. normally? Is the each Relay Exchange Relay. any problem? Check the fan motor and connector. (CN-MOTOR) –41–...
  • Page 45 Possible Trouble 3 : Auto Air direction louver does not operate. Is IC01M operated Exchange IC01M. normally? Is the PIN 10 of Check the main P.C.B CN-AC2 DC12V? DC12V pattern. Check the step motor and connector. (CN-AC2, AC1) : Wired remote controller does not operate. Possible Trouble 4 Check the parts of Is the LCD operated...
  • Page 46 Possible Trouble 5 : Ineffective Heating Adjust operation mode. Is it Heating Mode? Does the temperature Adjust set temperature. set all right? Is IC01M operated Change IC01M. normally? Is 4way-valve operated? Check RY-4Way. Check the connector. (CN-OUT, CN-AC1.2) –43–...

  • Page 47: Electronic Control Device

    Electronic control device MAIN P.C.B ASM –44–...

  • Page 48: Schematic Diagram

    Schematic Diagram –45–...
  • Page 49 –46–...

  • Page 50: Exploded View And Replacement Parts List

    Exploded View and Replacement Parts List 1. Indoor Unit 249951 268714 354211 330870 352118 35511A 263230 130411 266012 158591 –47–...
  • Page 51 137213 146812 346810 152302 359012 130911-1 130911-3 135312 140570 130911-2 267110-1 267110-2 –48–...
  • Page 52 Parts List • MODEL: LT-B2421CL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 53 Parts List • MODEL: LT-B2421HL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 54 Parts List • MODEL: LT-B2461CL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 55 Parts List • MODEL: LT-B2461HL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 56 Parts List • MODEL: LT-B2821CL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 57 Parts List • MODEL: LT-B2821HL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 58 Parts List • MODEL: LT-B2861CL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 59 Parts List • MODEL: LT-B2861HL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 60 Parts List • MODEL: LT-B3021CL/CW PART NO. LOCATION NO. DESCRIPTION REMARKS LT-B3621CL LT-B3621CW 130411 3041A20001A 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B 3531A10004N GRILLE ASSY, FRONT 137213 3721A10001M...
  • Page 61 Parts List • MODEL: LT-B3021HL/HW PART NO. LOCATION NO. DESCRIPTION REMARKS LT-B3021HL LT-B3021HW 130411 3041A20001A 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B 3531A10004N...
  • Page 62 Parts List • MODEL: LT-B3621CL/CW PART NO. LOCATION NO. DESCRIPTION REMARKS LT-B3621CL LT-B3621CW 130411 3041A20001A 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B 3531A10004N GRILLE ASSY, FRONT 137213 3721A10001M...
  • Page 63 Parts List • MODEL: LT-B3621HL/HW PART NO. LOCATION NO. DESCRIPTION REMARKS LT-B3621HL LT-B3621HW 130411 3041A20001A 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B 3531A10004N GRILLE ASSY, FRONT 137213 3721A10001M...
  • Page 64 Parts List • MODEL: LT-B3661CL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 65 Parts List • MODEL: LT-B3661HL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 66 Parts List • MODEL: LT-B3681CL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 67 Parts List • MODEL: LT-B3681HL LOCATION NO. PART NO. DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY, INDOOR 130911-1 3091A30001A CABINET ASSY, INDOOR 130911-2 3091A30002A CABINET ASSY, INDOOR 130911-3 3091A30003A CABINET ASSY, INDOOR 135312 3531A10004B GRILLE ASSY, FRONT 137213 3721A10001M PANEL ASSY, SIDE 140570 4057AP4344A LOCKER ASSY...
  • Page 68 2. Outdoor Unit 2-1. MODEL: LT-B2461CL/B2461HL/B2861CL/B2421CL/B2421HL/B2821CL/B3021CL/B3021CW –65–...
  • Page 69 Parts List • MODEL: LT-B2421CL LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 3530AP2289V GRILLE ASSY, DISCHARGE(OUTDOOR) 349490 4948AP2527A ORIFICE 430411 3041A30003K BASE ASSY, WELD(OUTDOOR) 435512 3H03266J COVER ASSY, TOP(OUTDOOR) 437210 3721A20005G PANEL ASSY, FRONT(OUTDOOR) 447900 2H02110A BARRIER ASSY, OUTDOOR 546810 4681A20008J MOTOR ASSY, OUTDOOR 550140...
  • Page 70 Parts List • MODEL: LT-B2421HL LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 3530AP2289V GRILLE ASSY, DISCHARGE(OUTDOOR) 349490 4948AP2527A ORIFICE 430411 3041A30003K BASE ASSY, WELD(OUTDOOR) 435512 3H03266J COVER ASSY, TOP(OUTDOOR) 437210 3721A20005G PANEL ASSY, FRONT(OUTDOOR) 447900 2H02110A BARRIER ASSY, OUTDOOR 546810 4681A20008J MOTOR ASSY, OUTDOOR 550140...
  • Page 71 Parts List • MODEL: LT-B2461CL LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 3530A20007B GRILLE, DISCHARGE 349490 4948AP2527A ORIFICE 430411 3041A30003K BASE ASSY, WELD(OUTDOOR) 435512 3H03266J COVER ASSY, TOP(OUTDOOR) 437210 3721A20005G PANEL ASSY, FRONT(OUTDOOR) 447900 2H02110A BARRIER ASSY, OUTDOOR 546810 4680AP2135M MOTOR ASSY, AC 550140 4A01334A...
  • Page 72 Parts List • MODEL: LT-B2461HL LOCATION NO. DESCRIPTION REMARKS PART NO. 435301 3530AP2289V GRILLE ASSY, DISCHARGE(OUTDOOR) 349490 4948AP2527A ORIFICE 430411 3041A30003K BASE ASSY, WELD(OUTDOOR) 435512 3H03266J COVER ASSY, TOP(OUTDOOR) 437210 3721A20005G PANEL ASSY, FRONT(OUTDOOR) 447900 2H02110A BARRIER ASSY, OUTDOOR 546810 4680AP2135M MOTOR ASSY, OUTDOOR 550140...
  • Page 73 Parts List • MODEL: LT-B2821CL LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 3530AP2289V GRILLE ASSY, DISCHARGE(OUTDOOR) 349490 4948AP2527A ORIFICE 430411 3041A30003K BASE ASSY, WELD(OUTDOOR) 435512 3H03266J COVER ASSY, TOP(OUTDOOR) 437210 3721A20005A PANEL ASSY, FRONT(OUTDOOR) 447900 2H02110A BARRIER ASSY, OUTDOOR 546810 4681A20008J MOTOR ASSY, OUTDOOR 550140...
  • Page 74 Parts List • MODEL: LT-B2861CL LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 3530A20007B GRILLE, DISCHARGE 349490 4948AP2527A ORIFICE 430411 3041A30003K BASE ASSY, WELD(OUTDOOR) 435512 3H03266J COVER ASSY, TOP(OUTDOOR) 437210 3721A20005G PANEL ASSY, FRONT(OUTDOOR) 447900 2H02110A BARRIER ASSY, OUTDOOR 546810 4680AP2135M MOTOR ASSY, AC 550140 4A01334A...
  • Page 75 Parts List • MODEL: LT-B3021CL/CW LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 3530AP2289V GRILLE ASSY, DISCHARGE(OUTDOOR) 349490 4948AP2527A ORIFICE 430411 3041A30003K BASE ASSY, WELD(OUTDOOR) 435512 3H03266J COVER ASSY, TOP(OUTDOOR) 437210 3721A20005A PANEL ASSY, FRONT(OUTDOOR) 447900 2H02110A BARRIER ASSY, OUTDOOR 546810 4681A20008J MOTOR ASSY, OUTDOOR 550140...
  • Page 76 2-2. Outdoor Unit • MODEL: LT-B2861HL/B2821HL/B3021HL/B3021HW –73–...
  • Page 77 Parts List • MODEL: LT-B2821HL/HW LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 3530A20007B GRILLE, DISCHARGE 137213-1 1A00202C PANEL ASSY, SIDE 137213-2 3A02284L PANEL ASSY, SIDE 263230 3Q35015G THERMISTOR ASSY 349490 4948AP2527A ORIFICE 350140 4A01489A ISOLATOR, MOTOR 430411 3041A30003K BASE ASSY, WELD(OUTDOOR) 435512 3H03266H COVER ASSY, TOP(OUTDOOR)
  • Page 78 Parts List • MODEL: LT-B2861HL LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 3530A20007B GRILLE, DISCHARGE 137213-1 1A00202C PANEL ASSY, SIDE 137213-2 3A02284L PANEL ASSY, SIDE 263230 3Q35015G THERMISTOR ASSY 349490 4948AP2527A ORIFICE 350140 4A01489A ISOLATOR, MOTOR 430411 3041A30003K BASE ASSY, WELD(OUTDOOR) 435512 3H03266H COVER ASSY, TOP(OUTDOOR)
  • Page 79 Parts List • MODEL: LT-B3021HL/HW LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 3530A20007B GRILLE, DISCHARGE 137213-1 1A00202C PANEL ASSY, SIDE 137213-2 3A02284L PANEL ASSY, SIDE 263230 3Q35015G THERMISTOR ASSY 349490 4948AP2527A ORIFICE 350140 4A01489A ISOLATOR, MOTOR 430411 3041A30003K BASE ASSY, WELD(OUTDOOR) 435512 3H03266H COVER ASSY, TOP(OUTDOOR)
  • Page 80 2-3 Outdoor Unit • MODEL: LT-B3621CL/B3621CW/B3621HL/B3621HW/B3661CL/B3661HL/B3681CL/B3681HL –77–...
  • Page 81 Parts List LT-B3621CL/CW LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 2A00144Y GRILLE ASSY, DISCHARGE(OUTDOOR) 137213 3A01055Z PANEL, SIDE 430411 3A01517W BASE ASSY, WELD(OUTDOOR) 437212 2A00252Z PANEL ASSY, REAR (OUTDOOR) 435512 3A01651A COVER ASSY, TOP(OUTDOOR) 437210 2A00251Z PANEL ASSY, FRONT SUB 447900 4761A90001A BARRIER ASSY, OUTDOOR...
  • Page 82 Parts List LT-B3621HL/HW LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 2A00144Y GRILLE ASSY, DISCHARGE(OUTDOOR) 137213 3A01055Z PANEL, SIDE 263230 3Q35015H THERMISTOR ASSY 430411 3A01517W BASE ASSY, WELD(OUTDOOR) 437212 2A00252Z PANEL ASSY, REAR(OUTDOOR) 435512 3A01651A COVER ASSY, TOP(OUTDOOR) 437210 2A00251Z PANEL ASSY, FRONT SUB 447900 4761A90001A BARRIER ASSY, OUTDOOR...
  • Page 83 Parts List LT-B3661CL LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 2A00144Y GRILLE ASSY, DISCHARGE(OUTDOOR) 137213 3A01055Z PANEL, SIDE 430411 3A01517W BASE ASSY, WELD(OUTDOOR) 437212 2A00252Z PANEL ASSY, REAR(OUTDOOR) 435512 3A01651A COVER ASSY, TOP(OUTDOOR) 437210 2A00251Z PANEL ASSY, FRONT SUB 447900 4761A90001A BARRIER ASSY, OUTDOOR 546810...
  • Page 84 Parts List LT-B3661HL LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 2A00144Y GRILLE ASSY, DISCHARGE(OUTDOOR) 137213 3A01055Z PANEL, SIDE 263230 3Q35015H THERMISTOR ASSY 430411 3A01517W BASE ASSY, WELD(OUTDOOR) 437212 2A00252Z PANEL ASSY, REAR(OUTDOOR) 435512 3A01651A COVER ASSY, TOP(OUTDOOR) 437210 2A00251Z PANEL ASSY, FRONT SUB 447900 4761A90001A BARRIER ASSY, OUTDOOR...
  • Page 85 Parts List LT-B3681CL LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 2A00144Y GRILLE ASSY, DISCHARGE(OUTDOOR) 137213 3A01055Z PANEL, SIDE 430411 3A01517W BASE ASSY, WELD(OUTDOOR) 437212 2A00252Z PANEL ASSY, REAR(OUTDOOR) 435512 3A01651A COVER ASSY, TOP(OUTDOOR) 437210 2A00251Z PANEL ASSY, FRONT SUB 447900 4761A90001A BARRIER ASSY, OUTDOOR 546810...
  • Page 86 Parts List LT-B3681HL LOCATION NO. PART NO. DESCRIPTION REMARKS 435301 2A00144Y GRILLE ASSY, DISCHARGE(OUTDOOR) 137213 3A01055Z PANEL, SIDE 263230 3Q35015H THERMISTOR ASSY 430411 3A01517W BASE ASSY, WELD(OUTDOOR) 437212 2A00252Z PANEL ASSY, REAR(OUTDOOR) 435512 3A01651A COVER ASSY, TOP(OUTDOOR) 437210 2A00251Z PANEL ASSY, FRONT SUB 447900 4761A90001A BARRIER ASSY, OUTDOOR...
  • Page 88 : info@lennoxbenelux.com POLAND : POLAND : POLAND : POLAND : POLAND : LENNOX POLSKA Sp. z o.o. tel. : + 48 22 832 26 61 fax : + 48 22 832 26 62 e-mail : info@lennoxpolska.pl PORTUGAL PORTUGAL PORTUGAL : : : : :...

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