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Panasonic CS-A24BD3P Service Manual

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2001 Matsushita Air-Conditioning Corp. Sdn. Bhd. (183914D).
All rights reserved. Unauthorized copying and distribution is a
violation of law.
CS-A28BD3P (CU-A28BBP5, CU-A28BBP8)
CS-A34BD3P (CU-A34BBP5, CU-A34BBP8)
CS-A28BD3P (CU-C28BBP5, CU-C28BBP8)
CS-A34BD3P (CU-C34BBP5, CU-C34BBP8)
ORDER NO. MAC0111069C0
AIR CONDITIONER
HIDE AWAY TYPE
HEAT PUMP MODEL
CS-A24BD3P (CU-A24BBP5)
CS-A43BD3P (CU-A43BBP8)
CS-A50BD3P (CU-A50BBP8)
COOLING ONLY MODEL
CS-A24BD3P (CU-C24BBP5)
CS-A43BD3P (CU-C43BBP8)
CS-A50BD3P (CU-C50BBP8)

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Summary of Contents for Panasonic CS-A24BD3P

  • Page 1 ORDER NO. MAC0111069C0 AIR CONDITIONER HIDE AWAY TYPE HEAT PUMP MODEL CS-A24BD3P (CU-A24BBP5) CS-A28BD3P (CU-A28BBP5, CU-A28BBP8) CS-A34BD3P (CU-A34BBP5, CU-A34BBP8) CS-A43BD3P (CU-A43BBP8) CS-A50BD3P (CU-A50BBP8) COOLING ONLY MODEL CS-A24BD3P (CU-C24BBP5) CS-A28BD3P (CU-C28BBP5, CU-C28BBP8) CS-A34BD3P (CU-C34BBP5, CU-C34BBP8) CS-A43BD3P (CU-C43BBP8) CS-A50BD3P (CU-C50BBP8) 2001 Matsushita Air-Conditioning Corp. Sdn. Bhd. (183914D).
  • Page 2 1. SERVICE INFORMATION Notice of Address setting for NEW Cassette / NEW Outdoor Unit. The new Ceiling / New Outdoor models are possible to have address setting for twin / triple control or group control by automatic when main power supply is switched on. (Manual address setting is also possible by using Dip switch on Indoor unit P.C.
  • Page 3 1.2. Caution of test operation Do not touch the remote control switch and do not change any wirings for one minute when the main power supply switch is ‘on’. / (Because the unit is having automatic address setting during the first one minute.) 1.3.
  • Page 4 2.1.4. Static pressure selection - The static pressure is selectable; 5mmAq or 7mmAq. The static pressure can be selected according to the condition of the duct. 2.1.5. Quiet operation - The sound level is as low as 40db (A) for 2.5 HP and 3.0 HP. The models is ideal for installation in offices, shop and houses where quiet operation is important.
  • Page 5 - The new design includes an easily -visible red pilot lamp. / The power can be turned on and off at a single touch, without opening the cover. - A built-in thermistor, allowing indoor temperature detection in accordance with indoor conditions by switching with main unit thermistor.
  • Page 6 [Product features] 2.2.1. Low-noise design improves in surrounding areas 1. The noise-suppressing winglet fan is a result of new research into vane design theory. The unique curved shape suppresses the generation of vortexes, thus reduces air flow noise. 2. The adoption of double-orifice rings reduces air passage resistance.
  • Page 7 2.2.2. Automatic restart function When the electric power resumes after a power failure, the unit will automatically restarts the operation in the pre-failure mode. 2.2.3. Low ambient cooling operation Cooling operation is possible at outdoor temperature of -5~C. 2.3. Greatly improved workability increases system renewal capability 2.3.1.
  • Page 8 30 m of pipe length. This makes installation much easier. 2.3.3. Drain water dripping-prevention structure - The base of the outdoor unit is provided with a single drain hole in order to prevent drain water from leaking out of the unit. Body connecting a drain elbow and a discharge pipe, water leakages can be prevented even when the unit is installed against a wall.
  • Page 9 making installation work much easier. Liquid-side pipe diameters (mm) : 9.52 (43BB~50BB / models) 2.3.8. Centralized draining method - Even when multiple outdoor units are installed to a wall, the drain outlets can be concentrated into a single drain pipe. This makes installation easier and also improve appearance.
  • Page 10 2.4.5. Twin and Triple operation - Simultaneous air conditioning of wide spaces and corners is possible. Indoor units of different horsepowers and models can even be used in combination. - Master unit and slave-units can be set automatically in twin and triple systems.
  • Page 11 3. SPECIFICATION (HEAT PUMP TYPE) 3.1 CS-A24BD3P / CU-A24BBP5 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A24BD3P CU-A24BBP5 Cooling Capacity 6.50 (BTU/h) (22,200) Heating Capacity 7.10 (BTU/h) (24,200) Refrigerant Charge-less Standard Air Volume for High Hi 20 Hi 43...
  • Page 12 Compressor Type, Number of Set Hermetic-1 (Rotary), Starting Method Direct on-line starting Motor Type 2-pole single phase induction motor Input Cool/Heat 2.31/2.30 Rated Output Type, Number of Set Sirocco fan-2 Prop. fan-1 Air Volume Control Three-Step and Auto mode (Remote Control) Motor Type 4-pole single phase induction...
  • Page 13 CS-A24BD3P/CU-A24BBP5 MODEL / ITEM Condition by JIS B 8616 Volts Phase Single Single Single Input Power Cool 2.59 2.59 2.59 Heat 2.50 2.50 2.50 Running Current Cool 12.1 11.9 11.6 Heat 11.5 11.2 11.3 Starting Current Power Factor Cool Heat *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor.
  • Page 14 Cool 12.3 11.8 11.6 Heat 12.4 11.5 11.2 Starting Current Power Factor Cool Heat *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 1~220V, 230V, 240V 50Hz source 3.3 CS-A28BD3P / CU-A28BBP8...
  • Page 15 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A28BD3P CU-A28BBP8 Cooling Capacity 7.30 (BTU/h) (24,900) Heating Capacity 7.75 (BTU/h) (26,400) Refrigerant Charge-less Standard Air Volume for High Hi 25 Hi 43 /min Medium and Low Speed Hi 883 1518 External Static Pressure mmAq Hi 5 Me 4 Lo 3...
  • Page 16 Heat 2.40 2.40 2.40 Running Current Cool Heat Starting Current Power Factor Cool Heat *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 3N~380V, 400V, 415V 50Hz source 3.4 CS-A34BD3P / CU-A34BBP5...
  • Page 17 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A34BD3P CU-A34BBP5 Cooling Capacity 10.45 (BTU/h) (35,600) Heating Capacity 11.20 (BTU/h) (38,200) Refrigerant Charge-less Standard Air Volume for High Hi 35 Hi 70 /min Medium and Low Speed Hi 1236 2471 External Static Pressure mmAq Hi 5 Me 4 Lo 3...
  • Page 18 18.0 18.1 Starting Current Power Factor Cool Heat *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 1~220V, 230V, 240V 50Hz source 3.5 CS-A34BD3P / CU-A34BBP8 Indoor Unit Outdoor unit ITEM / MODEL...
  • Page 19 Compressor Type, Number of Set Hermetic-1 (Scroll), Starting Method Direct on-line starting Motor Type 2-pole single phase induction motor Input Cool/Heat 2.93/3.03 Rated Output Type, Number of Set Sirocco fan-3 Prop. fan-2 Air Volume Control Three-Step and Auto mode (Remote Control) Motor Type 4-pole single phase induction...
  • Page 20 Cool Heat Starting Current Power Factor Cool Heat *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 3N~380V, 400V, 415V 50Hz source 3.6 CS-A43BD3P / CU-A43BBP8 Indoor Unit Outdoor unit ITEM / MODEL...
  • Page 21 Heat 3.90 3.90 3.90 Running Current Cool Heat Starting Current Power Factor Cool Heat *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 3N~380V, 400V, 415V 50Hz source 3.7 CS-A50BD3P / CU-A50BBP8...
  • Page 22 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A50BD3P CU-A50BBP8 Cooling Capacity 14.50 (BTU/h) (49,400) Heating Capacity 15.70 (BTU/h) (53,500) Refrigerant Charge-less Standard Air Volume for High Hi 45 Hi 86 /min Medium and Low Speed Hi 1589 3036 External Static Pressure mmAq Hi 5 Me 4 Lo 3...
  • Page 23 Cool Heat Starting Current Power Factor Cool Heat *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 3N~380V, 400V, 415V 50Hz source 4. SPECIFICATION (COOLING ONLY TYPE ) 4.1 CS-A24BD3P / CU-C24BBP5...
  • Page 24 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A24BD3P CU-C24BBP5 Cooling Capacity 6.50 (BTU/h) (22,200) Refrigerant Charge-less Standard Air Volume for High Hi 18 Hi 43 /min Medium and Low Speed Hi 636 1518 External Static Pressure mmAq Hi 5 Me 4 Lo 3...
  • Page 25 (95°F D.B.), 24°C W.B. (75.2°F W.B.) / / / / / / ELECTRICAL DATA (50Hz) CS-A24BD3P/CU-C24BBP5 MODEL / ITEM Condition by JIS B 8616 Volts Phase Single Single Single Input Power Cool 2.59 2.59 2.59 Running Current Cool 12.1 11.9 11.6...
  • Page 26 2.69 2.69 2.69 Running Current Cool 12.3 11.8 11.6 Starting Current Power Factor Cool *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 1~220V, 230V, 240V 50Hz source 4.3 CS-A28BD3P / CU-C28BBP8...
  • Page 27 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A28BD3P CU-C28BBP8 Cooling Capacity 7.30 (BTU/h) (24,900) Refrigerant Charge-less Standard Air Volume for High Hi 25 Hi 43 /min Medium and Low Speed Hi 883 1518 External Static Pressure mmAq Hi 5 Me 4 Lo 3 Hi 49 Me 39 Lo 29 Air Inlet Backward Suction...
  • Page 28 2.69 Running Current Cool Starting Current Power Factor Cool *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 3N~380V, 400V, 415V 50Hz source 4.4 CS-A34BD3P / CU-C34BBP5 Indoor Unit Outdoor unit ITEM / MODEL...
  • Page 29 3.95 3.95 3.95 Running Current Cool 19.0 19.0 19.0 Starting Current Power Factor Cool *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 1~220V, 230V, 240V 50Hz source 4.5 CS-A34BD3P / CU-C34BBP8...
  • Page 30 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A34BD3P CU-C34BBP8 Cooling Capacity 10.45 (BTU/h) (35,600) Refrigerant Charge-less Standard Air Volume for High Hi 35 Hi 70 /min Medium and Low Speed Hi 1236 2471 External Static Pressure mmAq Hi 5 Me 4 Lo 3 Hi 49 Me 39 Lo 29 Air Inlet Backward Suction...
  • Page 31 3.95 Running Current Cool Starting Current Power Factor Cool *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 3N~380V, 400V, 415V 50Hz source 4.6 CS-A43BD3P / CU-C43BBP8 Indoor Unit Outdoor unit ITEM / MODEL...
  • Page 32 Input Power Cool 4.53 4.53 4.53 Running Current Cool Starting Current Power Factor Cool *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 3N~380V, 400V, 415V 50Hz source 4.7 CS-A50BD3P / CU-C50BBP8...
  • Page 33 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A50BD3P CU-C50BBP8 Cooling Capacity 14.50 (BTU/h) (49,400) Refrigerant Charge-less Standard Air Volume for High Hi 45 Hi 86 /min Medium and Low Speed Hi 1589 3036 External Static Pressure mmAq Hi 5 Me 4 Lo 3 Hi 49 Me 39 Lo 29 Air Inlet Backward Suction...
  • Page 34 5.10 5.10 5.10 Running Current Cool Starting Current Power Factor Cool *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor. Panasonic Power AC, 3N~380V, 400V, 415V 50Hz source 5. TECHNICAL DRAWING CS-A24BD3P, CS-A28BD3P OUTSIDE DIMENSIONS...
  • Page 35 / / CS-A34BD3P, CS-A43BD3P, CS-A50BD3P / OUTSIDE DIMENSIONS...
  • Page 36 CU-A24BBP5, CU- C24BBP5...
  • Page 37 CU-A28BBP5, CU-A28BBP8,...
  • Page 38 CU-A34BBP5, CU-C34BBP5, CU-A34BBP8, CU-C34BBP8...
  • Page 39 CU-A43BBP8, CU-A50BBP8, CU-C43BBP8, CU-C50BBP8...
  • Page 40 6. CIRCUIT DIAGRAM...
  • Page 50 - APPLICABLE FOR ALL MODELS...
  • Page 51 - APPLICABLE FOR ALL MODELS...
  • Page 52 - APPLICABLE FOR ALL MODELS...
  • Page 54 - APPLICABLE FOR ALL MODEL...
  • Page 55 - APPLICABLE FOR ALL MODEL...
  • Page 56 7. OPERATING INSTRUCTION 7.1. Wired Remote Control Name and function of each part...
  • Page 58 8. REFRIGERATION CYCLE 8.1. Heating Model CS-A24BD3P / CU-A24BBP5 / CS-A28BD3P / CU-A28BBP5, 8 / CS-A34BD3P / CU-A34BBP5, 8 / CS -A43BD3P / CU-A43BBP8 / CS-A50BD3P / CU-A50BBP8...
  • Page 59 / / / / / / / / / / / / / / 8.2. Cooling Only Model CS-A24BD3P / CU-C24BBP5 / CS-A28BD3P / CU-C28BBP5, 8 / CS-A34BD3P / CU-C34BBP5, 8 / CS -A43BD3P / CU-C43BBP8 / CS-A50BD3P / CU-C50BBP8...
  • Page 60 9. OPERATION RANGE Power Supply / The applicable voltage range for each unit is given in “ the following table”. The working voltage among the three phases must be balanced within 3% deviation from each voltage at the compressor terminals. The starting voltage must be higher than 85% of the rated voltage.
  • Page 61 Indoor Temp. (D.B./W.B.) (°C) Outdoor Temp. (D.B./W.B.) Operating Maximum Minimum Maximum Minimum Cooling 32/23 21/15 43/- Heating 27/- 16/- 24/18 10. PIPE LENGTH 10.1. CORRECTION OF COOLING AND HEATING CAPACITIES Correction of cooling and heating capacities according to the connecting pipe length. / The data of cooling capacities (marked on the name plate) are based on 5 metres connecting pipe and horizontal installation.
  • Page 62 50g per 1m Example : / CS-A24BD3P / In case of 30 m long pipe (one-way), the / amount of refrigerant to be replenished is: / (30 - 30) x 20 = 0g / CS-A43BD3P / In case of 50m long pipe (one-way), the / amount of refrigerant to be replenished is: / (50 - 30) x 50 = 1,000g 10.3.
  • Page 63 Standard piping specification Existing piping specification (Larger piping) Heat Cooling Liquid Additional Liquid Additional pump only type piping piping charge- gas volume piping piping charge- type less less volume length length (Ømm) (Ømm) (mm) (g/m) (Ømm) (Ømm) 6.35 15.88 9.52 15.88 A24BBP5 C24BBP5...
  • Page 64 Model Main Power Indoor Unit Outdoor Unit Compressor Motor Source Fan Motor Fan Motor Voltage Frequency S.C. R.C.(A) IPT(kW) R.C. R.C. (Hz) COOL/ COOL/ (kW) HEAT HEAT 10.6 / 10.5 2.31 / 2.30 0.66 0.15 0.50 A24BD3P 10.2 / 10.1 2.31 / 2.30 0.66 0.15 0.50...
  • Page 65 10.6 2.31 0.66 0.15 0.50 A24BD3P 10.2 2.31 0.66 0.15 0.50 C24BBP5 2.31 0.66 0.15 0.50 11.35 2.49 0.84 0.19 0.50 A28BD3P 11.05 2.49 0.84 0.19 0.50 C28BBP5 10.75 2.49 0.84 0.19 0.50 4.08 2.49 0.66 0.15 0.50 A28BD3P 4.03 2.49 0.66 0.15...
  • Page 66 CS-A24BD3P Fan Performance Curve...
  • Page 67 CS-A28BD3P Fan Performance Curve CS-A34BD3P Fan Performance Curve...
  • Page 68 CS-A43BD3P Fan Performance Curve CS-A50BD3P...
  • Page 69 Fan Performance Curve 13. SAFETY DEVICE INDOOR UNIT Indoor unit Model A24BD3P A28BD3P A28BD3P A34BD3P A34BD3P A43BD3P A50BD3P For fan motor protection Internal OFF °C protector (49F) °C For control protection Fuse CUT A 3.15 3.15 3.15 3.15 3.15 3.15 OUTDOOR UNIT...
  • Page 70 Outdoor unit Heat 50Hz pump A24BBP5 A28BBP5 A28BBP8 A34BBP5 A34BBP8 A43BBP8 A50BBP8 model Cooling 50Hz only C24BBP5 C28BBP5 C28BBP8 C34BBP5 C34BBP8 C43BBP8 C50BBP8 model refrigerant cycle High pressure 2.94 2.94 2.94 2.94 2.94 2.94 switch (63H1) 2.84 2.84 2.84 2.84 2.84 2.84 compressor...
  • Page 71 Outdoor unit Heat 50Hz pump A24BBP5 A28BBP5 A28BBP8 A34BBP5 A34BBP8 A43BBP8 A50BBP8 model Cooling 50Hz only C24BBP5 C28BBP5 C28BBP8 C34BBP5 C34BBP8 C43BBP8 C50BBP8 model Heating control (Heat pump only) Pressure 2.35 2.35 2.35 2.35 2.35 2.35 switch (Fan 2.25 2.25 2.25 2.25 2.25...
  • Page 72 A24BBP5 A28BBP5 A34BBP5 A43BBP8 A50BBP8 Heat pump 50Hz model A28BBP8 A34BBP8 Model Cooling only model C24BBP5 C28BBP5 C34BBP5 C43BBP8 C50BBP8 50Hz C28BBP8 C34BBP8 NE41VNDT NE44VNDT ZR45KC- ZR57KC- ZR-68KC Compressor Model NE44VADT ZR45KC-TF5 ZR57KC-TF5 ZR-68KC Compressor Type No. of ROTARY SCROLL Cylinders Revolution r/min...
  • Page 73 Tube Material Copper tube Outer Diameter 9.52 9.52 9.52 9.52 9.52 Thickness No. of Tubes/ Fin Material Aluminium Thickness 0.105 0.105 0.105 0.105 0.105 Fin Pitch No./ inch Fin Surface AX-Louvre AX-Louvre AX-Louvre AX-Louvre AX-Louvre Total Face Area 0.61 0.61 0.82 1.05 1.05...
  • Page 74 Models (Cooling Only CS-A24BD3P CS-A28BD3P CS-A34BD3P CS-A43BD3P CS-A50BD3P Model) Tube Material Copper Tube Outer 9.53 9.53 9.53 9.53 9.53 Diameter Thickness 0.28 0.28 0.28 0.28 No. of Tubes/ Fin Material Aluminium Thickness 0.11 0.11 0.11 0.11 0.11 Fin Pitch No./...
  • Page 75 COOLING POWER CONSUMPTION CURVE RATED COOLING CAPACITY, RATED COOLING POWER CONSUMPTION...
  • Page 76 RATED COOLING STANDARD MODEL NAME CAPACITY (kW) POWER CONSUMPTION (kW) CS-A24BD3P/CU-A24BBP5 6.50 2.59 CS-A28BD3P/CU-A28BBP5 7.30 2.69 CS-A28BD3P/CU-A28BBP8 7.30 2.69 CS-A34BD3P/CU-A34BBP5 10.45 3.95 CS-A34BD3P/CU-A34BBP8 10.45 3.65 CS-A43BD3P/CU-A43BBP8 13.00 4.53 CS-A50BD3P/CU-A50BBP8 14.50 5.10 CS-A24BD3P/CU-C24BBP5 6.50 2.59 CS-A28BD3P/CU-C28BBP5 7.30 2.69 CS-A28BD3P/CU-C28BBP8 7.30 2.69 CS-A34BD3P/CU-C34BBP5 10.45...
  • Page 77 Model CS-A24BD3P/CU-A24BBP5, CS-C24BD3P/CU-C24BBP5 COOLING PERFORMANCE Ambient Temperature Air Entering Condenser (°C D.B.) Return 25°C 30°C 35°C 40°C 45°C TC SHC IPT TC SHC IPT TC SHC IPT TC SHC IPT D.B. W.B. kW kW 6.84 5.98 2.09 6.58 5.88 2.25 6.25 5.76 2.39 5.86 5.51 2.55 5.40 5.07 2.68 7.17...
  • Page 78 Ambient Temperature Air Entering Condenser (°C D.B.) Return 25°C 30°C 35°C 40°C 45°C TC SHC IPT TC SHC IPT TC SHC IPT TC SHC IPT D.B. W.B. kW kW 7.68 7.08 2.21 7.39 6.95 2.37 7.02 6.80 2.54 6.58 6.38 2.70 6.06 5.87 2.83 8.06 6.17 2.37 7.76 6.10 2.54 7.39 5.94 2.70 7.02 5.79 2.86 6.58 5.54 3.00 8.72...
  • Page 79 Ambient Temperature Air Entering Condenser (°C D.B.) Return 25°C 30°C 35°C 40°C 45°C TC SHC IPT TC SHC IPT TC SHC IPT TC SHC IPT D.B. W.B. kW kW 11.00 9.99 2.95 10.58 9.82 3.17 10.05 9.63 3.38 9.41 9.22 3.60 8.67 8.85 3.78 11.53 8.59 3.17 11.11 8.50 3.38 10.58 8.31 3.60 10.05 8.10 3.82 9.41 7.78 4.00 12.48 6.49 3.53 12.06 6.52 3.71 11.53 6.47 3.92 11.00 6.40 4.11 10.36 6.24 4.32 10.93 9.93 2.95 10.51 9.76 3.17 9.98 9.58 3.38 9.36 9.16 3.60 8.62 8.79 3.78...
  • Page 80 Ambient Temperature Air Entering Condenser (°C D.B.) Return 25°C 30°C 35°C 40°C 45°C TC SHC IPT TC SHC IPT TC SHC IPT TC SHC IPT D.B. W.B. kW kW 13.69 11.83 3.98 13.16 11.63 4.27 12.50 11.41 4.56 11.71 10.92 4.85 10.79 10.48 5.10 14.35 10.17 4.27 13.82 10.06 4.56 13.16 9.84 4.85 12.50 9.59 5.14 11.71 9.21 5.39 15.53 7.70 4.75 15.00 7.72 5.00 14.35 7066 5.29 13.69 7.58 5.53 12.89 7.39 5.82 13.60 11.75 3.98 13.08 11.56 4.27 12.43 11.34 4.56 11.63 10.85 4.85 10.73 10.42 5.10...
  • Page 81 Ambient Temperature Air Entering Condenser (°C D.B.) Return 25°C 30°C 35°C 40°C 45°C TC SHC IPT TC SHC IPT TC SHC IPT TC SHC IPT D.B. W.B. kW kW 15.27 13.41 4.42 14.98 13.17 4.74 13.94 12.91 5.06 13.06 12.34 5.39 12.04 11.37 5.66 16.00 11.64 4.74 15.41 11.51 5.06 14.68 11.23 5.39 13.94 10.93 5.72 13.06 10.49 5.98 17.32 9.00 5.28 16.73 9.01 5.55 16.00 8.92 5.88 15.27 8.79 6.14 14.38 8.56 6.47 15.17 13.33 4.42 14.58 13.09 4.74 13.86 12.83 5.06 12.98 12.26 5.39 11.96 11.30 5.66...
  • Page 82 HEATING POWER CONSUMPTION CURVE RATED HEATING CAPACITY, RATED HEATING POWER CONSUMPTION MODEL NAME RATED HEATING STANDARD CAPACITY (kW) POWER CONSUMPTION (kW) CS-A24BD3P/CU-A24BBP5 7.10 2.50 CS-A28BD3P/CU-A28BBP5 7.75 2.61 CS-A28BD3P/CU-A28BBP8 7.75 2.40 CS-A34BD3P/CU-A34BBP5 11.20 3.55 CS-A34BD3P/CU-A34BBP8 11.20 3.40 CS-A43BD3P/CU-A43BBP8 14.20 3.90 CS-A50BD3P/CU-A50BBP8 15.70...
  • Page 83 <Precautions on using capacity and electrical characteristics curves> - Heating capacity when the unit is frosted over or while being defrosted will vary depending on outdoor temperature ('CW8) and the amount c frost. Heating capacity performance must be compensated because it does not take into account the capacity drop incurred when the unit is frosted over and while it is being defrosted.
  • Page 84 17. POSITION OF THE CENTRE GRAVITY...
  • Page 86 OUTSIDE DIMENSIONS CENTRE OF GRAVITY WEIGHT MODEL NAME WIDTH (mm) DEPTH HEIGHT X (mm) Y (mm) Z (mm) (mm) (mm) A24BBP5 A28BBP5 A28BBP8 1220 A34BBP5 1220 A34BBP8 1220 1100 A43BBP8 1220 1100 A50BBP8 C24BBP5 C28BBP5 C28BBP8 1220 C34BBP5 1220 C34BBP8 1220 1100 C43BBP8...
  • Page 89 19. TWIN AND TRIPLE 19.1. TWIN 19.1.1. Operation - Simultaneous air conditioning of wide spaces and corners is possible. - Master units and slave-units can be set automatically in twin and triple systems. No address setting is necessary. - Multiple indoor units can be operated simultaneously with a single remote control unit.
  • Page 90 (Twin operation setting) - The master units and slave units are set automatically when the power is turned on. At this time, the indoor unit which is connected to the remote control unit becomes the master unit. / (If automatic setting is not possible, carry out the settings manually.) - Install the remote control unit to the master unit.
  • Page 91 / / / / Automatic address setting for twin system / Procedure: Turn on the power supply for the indoor and outdoor units. / Operation: Automatic address setting will start 10 to 30 seconds after the power supply is turned on, and will be completed / after about 1 minute.
  • Page 92 - Only slave unit addresses can be set in this way. Master unit setting is not possible. - If you make the DIP switch settings after the power has been turned back on, carry out twin/triple automatic address resetting. - Be sure to set DIP switch 1-8 to ON when setting twin/triple addresses.
  • Page 93 - The following table shows the equivalent pipe lengths and height differences for twin-and triple-type systems NOTE :...
  • Page 94 1. Use the main pipe to gain any rise or fall / required for the pipes. 2. The number of bends should be 8 or less in a single system (L + la, L + Ib, L + Ic), and 15 or less overall. 3.
  • Page 95 19.4. Wiring...
  • Page 96 20. WIRING MISTAKE PREVENTION Improved quality of installation work through adoption of an “Connection error prevention” circuit which prevents wiring mistakes Connection errors with the control wires and the power supply wires will not only contribute to burning-out of the control circuit board, but can also cause large-scale working losses and affect reliability.
  • Page 97 will not operate if the wires have been connected incorrectly, so that current will not flow to the control circuit board. This is designed principally to eliminate human error at the installation site. Prevention of connection errors These units are equipped with connection error prevention circuits. If the units do not operate, it is possible that the connection error prevention circuits have operated.
  • Page 98 object). - Never turn on the power supply until all installation work has been completed. - Turn on the circuit breaker before test operation extends past 6 hours. / (The crankcase heater will become energized, which will warm the compressor and prevent liquid compression.) - For three-phase models, check that the phase is not reversed.
  • Page 99 connection error prevention circuits have operated. In such cases, check that the drive wires (connected to terminals [1] and [2]) and the control wires (connected to terminals [3] and [4]) are connected correctly. If they are connected incorrectly, connect them correctly. Normal operation should then commence. 2.
  • Page 100 Self-diagnosis error code table...
  • Page 101 22. SETTING OF SAVE ENERGY AND THERMISTOR SWITCH 22.1. Energy save setting Open the cover remote control unit and confirm the presence of the [ RP1] marking. / Energy save setting method should be different for with [ RP1] marking and without [RP1] marking.
  • Page 102 23. GROUP CONTROL 1 Setting group for 1 remote control unit - When using a remote control thermostat, the thermostat setting is used for all indoor units in the group. - During group control, up to a maximum of 16 indoor units can be connected.
  • Page 103 NOTE: - Correct wiring connections are basic requirements for automatic setting. If the wires are connected incorrectly when the power is turned on, the settings will not be made correctly and operation will not be possible. - When address numbers are set automatically, you will not know which address number corresponds to which indoor unit.
  • Page 104 default) "01" ... Remote control unit setting 4. Press the RESERVE switch. (Be sure to press the RESERVE switch so that normal operation mode can be resumed.) - Repeat the procedure in steps (1) to (4) to change the setting again.
  • Page 105 Indoor unit . . . LED2 on printed circuit board flashes / Outdoor unit . . . LED3 and LED7 on printed circuit board flash / 2. The main power is turned on while the indoor-outdoor power supply wires are not connected (open circuit at section B) / Symptom: / Remote control unit .
  • Page 106 1. The main power is turned on while the transmission wires between the indoor unit(s) are not connected (open circuit at section A) / Symptom: / Nothing abnormal appears on the remote control display. If operation is then started in this condition, the combination of the 160C outdoor unit and the 40U indoor unit (master unit) will cause abnormal operation to occur.
  • Page 107 cord is not connected (open circuit at section C) / Symptom: - Remote control unit . . . Display of “No power supply” - Indoor unit (master) . . . LED1 on the printed circuit board stays illuminated and the unit does not operate - Indoor unit (slave) .
  • Page 108 No. 1 and indoor unit No. 3 is possible. / However, “CHECK” flashes in the remote control unit display for 3-5 minutes after the main power is turned on. - Remote control . . . “CHECK” flashes - Indoor unit No. 2 . . . LED2 on the printed circuit board flashes (both master and slave units) - Outdoor unit No.
  • Page 109 minutes.) / If slave units do not operate even after the wiring has been corrected (automatic addressing is not possible) 1. Check that DIP switches 1 to 4 and DIP switch 8 are all set to OFF, and then stop operation. / 2.
  • Page 110 Important: The address for the group control cannot be reset, using the above mentioned procedure. / 2. Manual address setting (by dip-switch DSW1) / When you set the address manually, set the dip-switch of the PC board in the indoor unit as follow: 1.
  • Page 111 3. Manual address setting (by dip-switch DSW1) / When you set the address manually, set the dip-switch of the PC board in the indoor unit as follow: Procedures of deleting memory at twin/triple control system 1. Set the “OFF” position for main power supply switch. 2.
  • Page 112 main power supply switch off. 4. Set the “OFF” position for No. 1, No. 2, No. 3 and No. 4 pin of dip switch (DSW1). (Important notice) / Above procedures are for deleting memory on indoor unit P.C. board. And it is not for Address reset.
  • Page 113 Resistance value (k ) ± 5% Temperature Room Pipe temperature temperature thermistor thermistor -20°C 205.8 197.8 -10°C 114.6 111.9 -5°C 87.3 85.4 0°C 67.0 65.8 5°C 51.8 51.0 10°C 40.4 39.9 15°C 31.7 30.7 20°C 25.1 25.0 25°C 20.0 20.0 30°C 16.1 16.0...
  • Page 114 Thermistor Cooling Heating mode mode Indoor Room Fixed at 25°C unit temperature Room Shorted Open temperature Thermistor Cooling Heating mode mode Outdoor Discharge Open Shorted unit temperature Heat Shorted Open exchanger outlet temperature - Refer to the circuit diagram for the connection locations for each thermistor.
  • Page 115 (*1) / Outdoor unit fan start control during cooling / At the start of cooling mode and drying mode operation, the outdoor unit heat exchanger outlet temperature is detected in order to set the fan speed. / Operation is carried out at the fan speed detected for 30 seconds. After 30 seconds, the heat exchanger outlet temperature is detected and the outdoor unit fan speed is changed automatically.
  • Page 116 operating at the fan speed set by the remote control unit. (The remote control unit display does not change.) 2. Cancelling / This control is cancelled when the temperature detected by the indoor unit pipe temperature sensor is 15°C or higher.
  • Page 117 (*2) / Outdoor unit fan control during heating mode operation Under conditions when the compressor is on during heating mode operation (except during defrosting and / when the liquid bypass valve is on), the outdoor unit fan is controlled by means of input (CN2) indicating / whether the contact of the heating pressure switch on the outdoor unit circuit board is open or closed / (At the start of heating mode operation, the fan operates at HI speed.)
  • Page 118 3. Cancelling / After 1 minute has passed since heating mode operation started, or if the compressor has turned on, hot / starting is cancelled when the temperature detected by the indoor unit pipe temperature sensor is 18~C / or higher. / After cancellation, the "PREHEAT"...
  • Page 119 3. Cancelling / Hot starting is cancelled when the temperature detected by the indoor unit pipe temperature sensor is 18~C / or higher, or after a maximum 1 minute has passed since defrosting was completed. / After cancellation, the "PREHEAT" display on the remote control disappears and the louvre operation / returns to the previous setting.
  • Page 120 26.6. Excess heat dissipation for indoor unit The indoor unit fan continues operating for 30 seconds after heating mode operation turns off in order to / dissipate excess heat. 1. When heating mode operation has stopped / (LOW operation for 30 seconds) 2.
  • Page 121 5-minute period. / However, if the outdoor unit fan is stopped, the start of defrosting will be delayed by 5 minutes. / The defrosting cycle is 50 minutes from the start of heating mode operation. B. Completion / Defrosting mode operation stops 12 minutes after it starts, or if the temperature detected by the outdoor / unit heat exchanger outlet sensor is 25~C or higher.
  • Page 123 4.Thermostat characteristic during cooling mode and heating mode operation. / The thermostat on/off characteristic in both operation modes are given in the table below.
  • Page 124 26.9. Indoor unit fan control 1. Fixing at LO, MED or HI / When LO, MED or HI is set, the relay switches and operation is carried out at that setting. 2. Automatic fan speed / When set to AUTO, the indoor unit fan operation changes as shown in the table below.
  • Page 125 26.10. Forced operation during restart The compressor will not stop operating for 3 minutes after cooling mode or heating mode operation starts, even if the indoor unit thermostat turns off. (However, the compressor will stop operating during this time if the indoor unit air intake temperature exceeds 33~C during heating mode operation or if the indoor unit air intake temperature drops below 16~C during cooling mode operation.) 26.11.
  • Page 126 - Indoor unit printed circuit board (DSW1) 27. INSTALLATION (INDOOR UNIT)
  • Page 139 28. INSTALLATION (OUTDOOR UNIT)
  • Page 143 NOTATION PUBLIC "-//ALDUS//NOTATION TAGGED IMAGE FILE FORMAT//EN" ENTITY SYSTEM "odinst_5.tif"...
  • Page 147 29. REPLACEMENT PARTS 29.1. INDOOR UNIT CS-A24BD3P, CS-A28BD3P...
  • Page 148 CS-A24BD3P, CS-A28BD3P...
  • Page 149 QUANTITY PER 1 UNIT REF. PARTS NAME PARTS NUMBER A24BD3P A28BD3P Cabinet (Bottom) P02-T05840 Drain pan P42-T02760 Evaporator P45-T05100 Distributor ass’y. P45-T04510 ---- P45-T04670 ---- Cabinet (Top) P42-T02730 Filter guide ass’y. P42-T02790 Filter P42-T02770 Duct flange ass’y. P03-T01370 (Outlet) Fan base ass’y. P45-T05080 Casing R ass’y.
  • Page 150 CS-A34BD3P, CS-A43BD3P, CS-A50BD3P...
  • Page 151 QUANTITY PER UNIT REF. NO. PARTS NAME PARTS NUMBER CS-A34BD3P CS-A43BD3P CS-A50BD3P Cabinet (Bottom) P02-T06560 Drain pan P42-T02860 Evaporator P45-T05340 ---- ---- P45-T05350 ---- Distributor ass’y. P45-T05300 ---- ---- P45-T05390 ---- ---- P45-T07040 ---- ---- Cabinet (Top) P42-T02830 Filter guide ass’y. P42-T02840 Filter P42-T02850...
  • Page 156 QTY. PART DESCRIPTION CU-A24BBP5 CU-A28BBP5 CU-A28BBP8 BASE PAN ASS’Y CWD52K1038A COMPRESSOR NH41VNDT NH44VNDT NH44YDET ANTI-VIBRATION BUSHING CWH501018 NUT FOR COMP. MOUNT. XNG8 WASHER for COMPRESSOR XWA8 SP WASHER CWH571018 CRANKCASE HEATER CWA341005 CONDENSER COMPLETE CWB32C1088 CWB32C1089 TUBE ASS’Y (CAPILLARY TUBE) CWT07K1045 CWT07K1046 PIPE HOLDER RUBBER...
  • Page 157 TRANSFORMER CWA401029 CURRENT TRANSFORMER BOARD CWA742591 CWA742592 OVERLOAD PROTECTOR CWA121075 TERMINAL COVER CWH171019 CWH171022 BRACKET FAN MOTOR CWD541027 SCREW-BRACKET FAN MOTOR CWH551040 FAN MOTOR CWA951077 SCREW-FAN MOTOR CWH55442 PROPELLER FAN CWH001007 WASHER for P.FAN CWH571013 SPRING WASHER for P.FAN XWB10B NUT for PROPELLER FAN CWH56033 P.FAN AIR GUIDER PLATE...
  • Page 158 PART DESCRIPTION QTY. CU-C24BBP5 CU-C28BBP5 CU-C28BBP8 BASE PAN ASS’Y CWD52K1038A COMPRESSOR NH41VNDT NH44VNDT NH44YDET ANTI-VIBRATION BUSHING CWH501018 NUT FOR COMP. MOUNT. XNG8 WASHER for COMPRESSOR XWA8 SP WASHER CWH571018 CRANKCASE HEATER CWA341005 CONDENSER COMPLETE CWB32C1091 TUBE ASS’Y (CAPILLARY TUBE) CWT07K1024 PIPE HOLDER RUBBER CWG251016 CONDENSER SIDE PLATE...
  • Page 159 FAN MOTOR CWA951077 SCREW-FAN MOTOR CWH55442 PROPELLER FAN CWH001007 WASHER for P.FAN CWH571013 SPRING WASHER for P.FAN XWB10B NUT for PROPELLER FAN CWH56033 P.FAN AIR GUIDER PLATE CWE061036A FAN GUARD CWD041014A CONDENSER GUARD CWD041015A CABINET TOP PLATE COMPLETE CWE03C1004 FLARE NUT (1/4”) / (3/8”) 6002140 (1/4”) CWT25005 (3/8”) FLARE NUT (5/8”)
  • Page 164 PART DESCRIPTION QTY. CU-A34BBP5 CU-A34BBP8 CU-A43BBP8 CU-A50BBP8 BASE PAN ASS’Y CWD52K1039A CWD52K1040A COMPRESSOR ZR47K3PFJ522 ZR45KCTFD522 ZR57KCTFD599 ZR68KCTFD599 ANTI-VIBRATION BUSHING CWH501020 NUT FOR COMP. MOUNT. 4582065 CRANKCASE HEATER CWA341004 CWA341002 CONDENSER COMPLETE CWB32C1094 CWB32C1095 CWB32C1096 TUBE ASS’Y (CAPILLARY TUBE) CWT07K1023 CWT07K1048 CWT07K1049 PIPE HOLDER RUBBER CWG251016...
  • Page 165 SCREW-BRACKET FAN MOTOR CWH551040 FAN MOTOR CWA951077 CWA951078 FAN MOTOR SUPPORTER CWD932142 SCREW-FAN MOTOR CWH55442 PROPELLER FAN CWH001007 WASHER for P.FAN CWH571013 SPRING WASHER for P.FAN XWB10B NUT for PROPELLER FAN CWH56033 P.FAN AIR GUIDER PLATE CWE061042A CWE061044A FAN GUARD CWD041014A CONDENSER GUARD CWD041016A...
  • Page 166 3-WAYS VALVE CWB011058 STRAINER CWB111005 2-WAYS VALVE CWB02299 CWB15K1039 CAPILLARY TUBE for VALVE CWB15K1037 CWB15K1040 PIPE HOLDER RUBBER CWG251015 HOLDER-SERVICE VALVE CWD911131 SOUND-PROOF BOARD ASS’Y CWH15K1001 SOUND PROOF MATERIAL-COMP. CWG302101 CWG302103 V-COIL COMPLETE CWA43C2067 CWA43C2067 CWA43C2067 CWA43C2067 PIPING SENSOR (DISCHARGE) CWA501044 PIPING SENSOR (COIL) CWA501045...
  • Page 167 ACCESSORY COMPLETE CWH82C1105 INSTALLATION INSTRUCTION CWF612231 All parts are supplied from MACC, Malaysia (Vendor Code: 086)

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