Инструкции на Кондиционеры серии LT

Текст инструкции

1. Стр. 1 Ceiling Cassette

2. Стр. 2 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 3-way Valve 36 Cycle Troubleshooting Guide 41 Electronic Parts Troubleshooting Guide 42 Electronic…

3. Стр. 3 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…

4. Стр. 4 Remote Controller

   Operation ON/OFF Operation Mode Selection Cooling Operation Mode ( Heating Operation Mode ( (Cooling (Heating model only) model only) ) ) Soft Dry Operation Mode ( Auto Operation Mode ( ) Fan Speed Selection LO (Low) MED (Med) HI (High) Room Temperature Display : High:39°C ↔ LOW:11°C Temperature…

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

6. Стр. 6 2. 50Hz

7. Стр. 7 Model Name

8. Стр. 8 Dimensions

   Indoor Unit (328) –8–

9. Стр. 9 Outdoor Unit

10. Стр. 11 Refrigeration Cycle Diagram

    • COOLING ONLY INDOOR UNIT OUTDOOR UNIT CAPILLARY TUBE LIQUID SIDE HEAT EXCHANGER (EVAPORATOR) HEAT EXCHANGER (CONDENSER) COMPRESSOR GAS SIDE GAS LIQUID Rated Max. Rated Max. * Additional refrigerant (g/m) 24K, 28K, 30K BTU 5/8" 3/8" 3/8" Pipe Size MODEL 36K BTU 3/4" Length A(m) Elevation B(m) •…

11. Стр. 12 • HEAT PUMP

    INDOOR UNIT OUTDOOR UNIT CAPILLARY TUBE LIQUID SIDE CHECK VALVE CAPILLARY TUBE HEAT EXCHANGER HEAT EXCHANGER GAS SIDE REVERSING VALVE COMPRESSOR GAS LIQUID Rated Max. Rated Max. * Additional refrigerant (g/m) 24K, 28K, 30K BTU 5/8" 3/8" 36K BTU 3/8" Pipe Size MODEL 3/4" Length A(m) Elevation B(m) •…

12. Стр. 13 Wiring Diagram

    (1) Indoor Unit 1. COOLING ONLY 2. HEAT PUMP –13–

13. Стр. 14 (2) Outdoor Unit

14. Стр. 15 5. LT-B3681CL

15. Стр. 16 6. LT-B3681HL

16. Стр. 19 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…

17. Стр. 20 6. 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. Intake Air temp. minimum 3min Setting temp.+3°C (Compressor OFF) A Setting temp. (Compressor ON) INDOOR FAN COMPRESSOR 1min Hot Start Low Selecting Fan Speed ON B A minimum…

18. Стр. 21 8. Defrost Control

    • Defrost operation is controlled by timer and sensing the outdoor piping temperature. • The defrost starts only when the outdoor pipe temperature falls below -6°C after 45 minutes passed from starting of heating operation. • Defrost ends after 9 minutes 30 seconds passed from starting of defrost…

19. Стр. 22 Installation of Indoor, Outdoor Unit

    1. Selection of the best location Above 250 300 or less 50 or more 100 or more Ceiling Ceiling Board Ceiling Board 30 or less • There should not be any heat source or steam near the unit. • There should not be any obstacles to prevent the air circulation. • A place where air circulation in the room…

20. Стр. 23 3) Piping length and the elevation

    GAS LIQUID Rated Max. Rated Max. * Additional refrigerant (g/m) 24K, 28K, 30K BTU 5/8" 3/8" 36K BTU 3/8" Pipe Size MODEL 3/4" Length A(m) Elevation B(m) Indoor unit A B Outdoor unit • Rated performance for refrigerant line length of: 5m • If 24K or 28K Model is installed at a distance of 15m, 500g…

21. Стр. 24 2. Ceiling opening dimensions and hanging bolt location

    • The dimensions of the paper model for installing are the same as those of the ceiling opening dimensions. 840 (Ceiling opening) (Hanging bolt) 60 800 Unit size 800 Unit size 840 (Ceiling opening) 624(Hanging bolt) Unit:mm CAUTION • This air-conditioner uses a drain pump. • Horizontly install the…

22. Стр. 25 3. The Indoor Unit Installation

    Ceiling Nut (W3/8 or M10) Spring washer (M10) Keep the length of the bolt from the bracket to 40mm Flat washer for M10 (accessory) Ceiling board Flat washer for M10 (accessory) Nut (W3/8 or M10) 100mm Hanging bolt (W3/8 or M10) Air Conditioner body Ceiling board Paper model for installation Adjust…

23. Стр. 26 WIRED REMOTE CONTROL INSTALLATION

    DISASSEMBLING • Separate the under plate from Remote control box. Front case Th el ow er pa rt Lever carefully the box open using a screw driver, etc. Remote control box body • Fix the cord clamps on the wall by ø 3 tapping screws (accessory). • Fix the remote control cord. • Fix the under plate on…

24. Стр. 27 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 box cover fitting screw (4 units) Control box cover [Air inlet side view] Wire taking inlet ■ 1 Phase Terminal Block of Indoor Unit 3(N) 4(L) • Heat Pump Model…

25. Стр. 28 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. The terminal screws inside the control box may be…

26. Стр. 29 6. Connecting Pipes to the Indoor Unit

    • Preparation of Piping Copper tube Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the following procedure. Slanted Uneven Rough 90° 1) Cut the pipes and the cable. ■ Use the accessory piping kit or the pipes purchased locally. ■ Measure the distance between…

27. Стр. 30 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 the pipe.) 2. After deforming the piping, align centers of the union fitting of the indoor unit and the piping, and tighten them firmly…

28. Стр. 31 7. Installation of Decorative Panel

    The decorative panel has its installation direction. Before installing the decorative panel, 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…

29. Стр. 32 CAUTION

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

30. Стр. 33 HEAT INSULATION

    1. Use the heat insulation material for the refrigerant piping which has an excellent heat-resistance (over 120°C). Fastening band (accessory) 2. Precautions in high humidity circumstance: This air conditioner has been tested according to the "KS Standard Conditions with Mist" and confirmed that…

31. Стр. 35 2) Connection of power supply

    1. Connect the power supply cord to the independent 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 discharge air. 2. Ensure the difference between the intake temperature and…

32. Стр. 36 3-way Valve

    1. Pumping down Liquid side Indoor unit 3-Way valve Open Outdoor unit Gas side Closed 3-Way valve Lo CLOSE CLOSE Purge the air • Procedure (6) Operate the air conditioner in cooling mode and stop it when the gaug e indicates 1kg/cm2g. (1) Confirm that both liquid side and gas side valves are set to…

33. Стр. 37 1) Re-air purging

    (Re-installation) Liquid side Indoor unit 2-Way valve Closed Outdoor unit Gas side Closed 3-Way valve Gas cylinder Lo R22 OPEN CLOSE • Procedure (6) Disconnect the charge set and the gas cylinder, and set the 2-way and 3-way valves to the open position. – Be sure to use a hexagonal wrench to operate…

34. Стр. 38 2) Balance refrigerant of the 3-way valve

    (Gas leakage) Liquid side Indoor unit Outdoor unit 2-Way valve Open 3-Way valve Open Gas side Lo OPEN CLOSE • Procedure (1) Confirm that both the liquid side and gas side valves are set to the back seat. (3) Open the valve (Lo side) on the charge set and discharge the refrigerant until the gauge…

35. Стр. 39 2. Evacuation

    (All amount of refrigerant leaked) Liquid side Indoor unit Outdoor unit 2-Way valve Open 3-Way valve Open Gas side Vacuum pump Lo OPEN CLOSE • Procedure (1) Connect the vacuum pump to the center hose of charge set center hose (3) Close the valve (Lo side) on the charge set, turn off the vacuum pump…

36. Стр. 40 3. Gas Charging

    (After Evacuation) Liquid side Indoor unit 2-Way valve Open Outdoor unit Gas side Open 3-Way valve Check valve Charging cylinder Lo (1) OPEN CLOSE • Procedure \ (1) Connect the charge hose to the charging cylinder. – Connect the charge hose which you disconnected from the vacuum pump to the valve at…

37. Стр. 41 Cycle Troubleshooting Guide

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

38. Стр. 42 Electronic Parts Troubleshooting Guide

39. Стр. 43 Possible Trouble 2

    Is it the HOT START mode? : The indoor fan does not operate. YES It is normal operation. NO Is IC01M operated normally? NO Exchange IC01M. YES Is the each Relay any problem? YES Exchange Relay. NO Check the fan motor and connector. (CN-MOTOR) –43–

40. Стр. 44 Possible Trouble 3

    Is IC01M operated normally? : Auto Air direction louver does not operate. NO Exchange IC01M. YES Is the PIN 10 of CN-AC2 DC12V? NO Check the main P.C.B DC12V pattern. YES Check the step motor and connector. (CN-AC2, AC1) Possible Trouble 4 Is the LCD operated normally? : Wired remote controller does…

41. Стр. 45 Possible Trouble 5

    : Ineffective Heating Is it Heating Mode? NO Adjust operation mode. YES Does the temperature set all right? NO Adjust set temperature. YES Is IC01M operated normally? NO Change IC01M. YES Is 4way-valve operated? NO Check RY-4Way. YES Check the connector. (CN-OUT, CN-AC1.2) –45–

42. Стр. 46 Electronic control device

43. Стр. 47 Schematic Diagram

44. Стр. 48 S10

45. Стр. 49 Exploded View and Replacement Parts List

    1. Indoor Unit 249951 268714 354212 330870 352118 35511A 263230 130411 266012 158591 –49–

46. Стр. 80 LT-B3621CL

47. Стр. 81 LT-B3621HL

48. Стр. 82 LT-B3661CL

49. Стр. 83 LT-B3661HL

50. Стр. 84 LT-B3681CL

51. Стр. 85 LT-B3681HL

52. Стр. 86 P/No

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