Page 1 ORDER NO. MAC0112089C0 AIR CONDITIONER HIDE AWAY TYPE HEAT PUMP MODEL CS-A24BD2P (CU-A24BBP5) CS-A28BD2P (CU-A28BBP5, CU-A28BBP8)
Page 2 CS-A34BD2P (CU-A34BBP5, CU-A34BBP8) CS-A43BD2P (CU-A43BBP8) CS-A50BD2P (CU-A50BBP8) COOLING ONLY MODEL CS-A24BD2P (CU-C24BBP5) CS-A28BD2P (CU-C28BBP5, CU-C28BBP8) CS-A34BD2P (CU-C34BBP5, CU-C34BBP8) CS-A43BD2P (CU-C43BBP8) CS-A50BD2P (CU-C50BBP8)
Page 4: Service Information
copying and distribution is a violation of law. 1. SERVICE INFORMATION...
Page 5: Example Of Trouble At Test Operation
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 6: Variety Of Excellent Features
When main power supply switch is ‘on’, the P.C. board will automatically memorized the connecting system. / Consequently, when initial power supply is ‘on’, there will not be interchangeability of units even of the same type and same capacity unit. Therefore unable to connect the unit to another system.
Page 7 2.1.1. Compact design - The height is only 29cm (2.5 HP model and 3 HP model) and can be installed even where the space is limited. 2.1.2. Automatic restart function - When the electric power comes back after a power failure, the unit itself automatically restarts the operation in the pre-failure mode.
Page 8 [Product features]...
Page 9 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. 3.
Page 10 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 11 to be replaced. - For example, liquid and gas pipes from 10 years ago can be connected to current pipes with the same size for one size larger. Effective utilization of materials reduces working time and trouble. (Adaptor sockets are not supplied.) 2.3.2.
Page 12 - All models do not require any additional charging of refrigerant for 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.
Page 13 2.3.4. Space saving design allows units to be installed side by side continuously...
Page 14 - Servicing after installation can be carried-out by removing the front covers. 2.3.5. Easy test operation - Test operation can be carried out for both indoor and outdoor units. 2.3.6. Long pipe design Max piping length: 50 (m) 24BB~50BB 30/50 Height difference/ equivalent pipe...
Page 15: A Brand-New Control Method Using The Latest In Technology
2.4. A brand-new control method using the latest in technology 2.4.1. Power supply wiring is also easier Power supply wiring and other wiring tasks can be carried out more easily. - Twin non-polar wires used to connect indoor and outdoor units. - Adoption of connection error prevention circuits for drives wires and signal wires.
Page 16 2.4.2. Separate indoor/outdoor unit power supplies The power supply can be connected to (1) just the outdoor units, or (2) to both indoor and outdoor units. 2.4.3. Automatic setting initialization function (Remote control and Indoor unit) In accordance with the indoor and outdoor units connected and the connection methods, conditions such as the configuration (twin or triple format) and remote-control functions such as cooling only or heat pump model are automatically detected and set instantly.
Page 17 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. No address setting is necessary.
Page 18 Twin and Triple combination table...
Page 19: Specification (Heat Pump Type)
3. SPECIFICATION (HEAT PUMP TYPE)
Page 20 3.1 CS-A24BD2P / CU-A24BBP5 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A24BD2P 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 18 Hi 43 /min Medium and Low Speed...
Page 21 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 6-pole single phase motor induction motor Input 0.20 0.11 Rated 0.150 0.05 Output Air-heat Exchanger Louvre-fin type Louvre-fin type Refrigerant Control Capillary tube...
Page 22 CS-A24BD2P/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 11.8 11.8 11.8 Heat 11.4 11.4 11.4 Starting Current Power Factor Cool Heat *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor.
Page 23 Air Inlet Backward Suction Rear sided Suction Air Outlet Front blow-out Front blow-out Outside Dimension (H x W x D) 290 x (1000 + 100) x 500 900 x 900 x 320 Net Weight kg (lbs) 43 (95) 82 (181) O.D Ø...
Page 24 Cool 12.3 12.0 11.7 Heat 12.0 11.7 11.4 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-A28BD2P / CU-A28BBP8...
Page 25 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A28BD2P CU-A28BBP8 7.30 Cooling Capacity (BTU/h) (24,900) Heating Capacity 7.75 (BTU/h) (26,400) Refrigerant Charge-less Standard Air Volume for High Hi 20 Hi 43 /min Medium and Low Speed Hi 706 1518 External Static Pressure mmAq Hi 10 Me 7 Lo 5...
Page 26 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 6-pole single phase motor induction motor Input 0.20 0.11 Rated 0.150 0.05 Output Air-heat Exchanger Louvre-fin type Louvre-fin type Refrigerant Control Capillary tube...
Page 27 Heat 4.25 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-A34BD2P / CU-A34BBP5 Indoor Unit Outdoor unit ITEM / MODEL...
Page 28 Air Inlet Backward Suction Rear sided Suction Air Outlet Front blow-out Front blow-out Outside Dimension (H x W x D) 360 x (1000 + 10) x 650 1220 x 900 x 320 Net Weight kg (lbs) 54 (119) 97 (214) O.D Ø...
Page 29 Cool 19.0 19.1 19.2 Heat 17.9 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-A34BD2P / CU-A34BBP8...
Page 30 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A34BD2P CU-A34BBP8 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 10 Me 7 Lo 5...
Page 31 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 6-pole single phase motor induction motor Input 0.36 0.24 Rated 0.25 0.05 x 2 Output Air-heat Exchanger Louvre-fin type Louvre-fin type Refrigerant Control...
Page 32 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-A43BD2P / CU-A43BBP8 Indoor Unit Outdoor unit ITEM / MODEL...
Page 33 Air Inlet Backward Suction Rear sided Suction Air Outlet Front blow-out Front blow-out Outside Dimension (H x W x D) 360 x (1000 + 10) x 650 1220 x 1100 x 320 Net Weight kg (lbs) 55 (121) 114 (251) O.D Ø...
Page 34 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 3.6 CS-A50BD2P / CU-A50BBP8...
Page 35 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A50BD2P 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 10 Me 5 Lo 0...
Page 36 Type, Number of Set Sirocco fan-4 Prop. fan-2 Air Volume Control Three-Step and Auto mode (Remote Control) Motor Type 4-pole single phase induction 6-pole single phase motor induction motor Input 0.58 0.25 Rated 0.45 0.055X2 Output Air-heat Exchanger Louvre-fin type Louvre-fin type Refrigerant Control Capillary tube...
Page 37: Specification (Cooling Only Type)
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 4. SPECIFICATION (COOLING ONLY TYPE) 4.1 CS-A24BD2P / CU-C24BBP5...
Page 38 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A24BD2P 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 10 Me 7 Lo 5...
Page 39 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 6-pole single phase induction motor induction motor Input 0.20 0.11 Rated 0.15 0.05 Output Air-heat exchanger Louvre-fin type Louvre-fin type Refrigerant Control Capillary tube...
Page 40 CS-A24BD2P/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 11.8 11.8 11.8 Starting Current Power Factor Cool *Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor.
Page 41 O.D Ø 15.88 (5/8) Flared Type Piping Refrigerant Gas mm (inch) O.D Ø 9.52 (3/8) Flared Type Connection Liquid mm (inch) Drain Female screw (PT1) I.DØ 20 x 1 Compressor Type, Number of Set Hermetic-1 (Rotary), 1 Starting Direct on-line starting Method Motor Type...
Page 42 12.3 12.0 11.7 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-A28BD2P / CU-C28BBP8 Indoor Unit Outdoor unit ITEM / MODEL...
Page 43 Net Weight kg (lbs) 43 (95) 82 (181) O.D Ø 15.88 (5/8) Flared Type Piping Refrigerant Gas mm (inch) O.D Ø 9.52 (3/8) Flared Type Connection Liquid mm (inch) Drain Female screw (PT1) I.DØ 20 x 1 Compressor Type, Number of Set Hermetic-1 (Rotary), 1 Starting Direct on-line starting...
Page 44 Input Power Cool 2.69 2.69 2.69 Running Current Cool 4.45 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-A34BD2P / CU-C34BBP5...
Page 45 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A34BD2P CU-C34BBP5 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 10 Me 7 Lo 5 Hi 98 Me 69 Lo 49 Air Inlet Backward Suction...
Page 46 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 6-pole single phase induction motor induction motor Input 0.36 0.24 Rated 0.25 0.05 x 2 Output Air-heat exchanger Louvre-fin type Louvre-fin type Refrigerant Control...
Page 47 19.0 19.1 19.2 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-A34BD2P / CU-C34BBP8 Indoor Unit Outdoor unit ITEM / MODEL...
Page 48 O.D Ø 19.05 (3/4) Flared Type Piping Refrigerant Gas mm (inch) O.D Ø 9.52 (3/8) Flared Type Connection Liquid mm (inch) Drain Female screw (PT1) I.DØ 20 x 1 Compressor Type, Number of Set Hermetic-1 (Scroll), 1 Starting Direct on-line starting Method Motor Type...
Page 49 3.65 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-A43BD2P / CU-C43BBP8 Indoor Unit Outdoor unit ITEM / MODEL...
Page 50 Net Weight kg (lbs) 55 (121) 114 (251) O.D Ø 19.05 (3/4) Flared Type Piping Refrigerant Gas mm (inch) O.D Ø 9.52 (3/8) Flared Type Connection Liquid mm (inch) Drain Female screw (PT1) I.DØ 20 x 1 Compressor Type, Number of Set Hermetic-1 (Scroll), 1 Starting Direct on-line starting...
Page 51 Input Power Cool 4.35 4.35 4.35 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-A50BD2P / CU-C50BBP8...
Page 52 Indoor Unit Outdoor unit ITEM / MODEL Main Body CS-A50BD2P CU-C50BBP8 Cooling Capacity 14.50(49,400) (BTU/h) 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 10 Me 5 Lo 0 Hi 98 Me 49 Lo 0 Air Inlet Backward Suction...
Page 53 Type, Number of Set Sirocco fan-4 Prop. fan-2 Air Volume Control Three-Step and Auto mode (Remote Control) Motor Type 4-pole single phase 6-pole single phase induction motor induction motor Input 0.58 0.25 Rated 0.45 0.055 x 2 Output Air-heat exchanger Louvre-fin type Louvre-fin type Refrigerant Control...
Page 54: Technical Drawing
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-A24BD2P, CS-A28BD2P OUTSIDE DIMENSIONS...
Page 56 / / CS-A34BD2P, CS-A43BD2P, CS-A50BD2P / OUTSIDE DIMENSIONS...
Page 58 CU-A24BBP5, CU- C24BBP5...
Page 60 CU-A28BBP5, CU-A28BBP8,...
Page 62 CU-A34BBP5, CU-C34BBP5, CU-A34BBP8, CU-C34BBP8...
Page 64 CU-A43BBP8, CU-A50BBP8, CU-C43BBP8, CU-C50BBP8...
Page 66: Circuit Diagram
6. CIRCUIT DIAGRAM...
Page 98 7. OPERATING INSTRUCTION...
Page 99: Wired Remote Control
7.1. Wired Remote Control Name and function of each part...
Page 103: Refrigeration Cycle
8. REFRIGERATION CYCLE 8.1. Heating Model CS-A24BD2P / CU-A24BBP5 / CS-A28BD2P / CU-A28BBP5, 8 / CS-A34BD2P / CU-A34BBP5, 8 / CS-A43BD2P / CU-A43BBP8 / CS-A50BD2P / CU-A50BBP8...
Page 105: Cooling Only Model
/ / / / / / / / / / / / / / 8.2. Cooling Only Model CS-A24BD2P / CU-C24BBP5 / CS-A28BD2P / CU-C28BBP5, 8 / CS-A34BD2P / CU-C34BBP5, 8 / CS-A43BD2P / CU-C43BBP8 / CS-A50BD2P / CU-C50BBP8...
Page 107: Operation Range
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 108: Pipe Length
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. / (Cooling)
Page 110 / / / Equivalent Length = actual pipe length + / number of elbow x ELE + number of oil / trap x ELO / ELE: equivalent length of elbow. / ELO: equivalent length of oil trap. 10.2. REFRIGERANT ADDITIONAL CHARGE - The piping length exceeds 30 metres.
Page 112 50g per 1m Example: / CS-A24BD2P / In case of 30 m long pipe (one-way), the / amount of refrigerant to be replenished is: / (30 - 30) x 20 = 0g / CS- A43BD2P / 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 113: Operating Characteristic
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) (g/m) 6.35 15.88 9.52 15.88 A24BBP5...
Page 114 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) (kW) HEAT HEAT 10.6 / 10.5 2.31 / 2.30 1.00 0.20 0.50 0.11 A24BD2P 10.2 / 10.1 2.31 / 2.30 0.96 0.20 0.50...
Page 115 A34BBP8 5.13 / 5.23 2.93 / 3.03 1.82 0.36 1.00 0.22 6.63 / 6.33 3.82 / 3.67 2.70 0.50 1.10 0.23 A43BD2P 6.63 / 6.33 3.82 / 3.67 2.58 0.50 1.10 0.23 A43BBP8 6.63 / 6.33 3.82 / 3.67 2.47 0.50 1.10 0.23...
Page 116: Fan Performance
15.3 3.23 2.06 0.36 1.00 0.22 A34BD2P 15.4 3.23 1.90 0.36 1.00 0.22 C34BBP5 15.5 3.23 1.82 0.36 1.00 0.22 5.13 2.93 2.06 0.36 1.00 0.22 A34BD2P 5.13 2.93 1.90 0.36 1.00 0.22 C34BBP8 5.13 2.93 1.82 0.36 1.00 0.22 6.63 3.82 2.70...
Page 117 1,240 1,310 1,370 1,694 1,130 1,200 1,260 1,320 1,447 1,060 1,130 1,195 1,255 1,320 1,390 1,440 1,588 1,075 1,145 1,200 1,260 1,325 1,405 1,440 A50BD2P 1,730 1,160 1,225 1,250 1,325 1,395 1,871 1,240 1,300 1,350 1,410 CS-A24BD2P Fan Performance Curve...
Page 119 CS-A28BD2P Fan Performance Curve...
Page 121 CS-A34BD2P Fan Performance Curve...
Page 123 CS-A43BD2P Fan Performance Curve...
Page 125 CS-A50BD2P Fan Performance Curve...
Page 127: Safety Device
13. SAFETY DEVICE INDOOR UNIT Indoor unit Model A24BD2P A28BD2P A28BD2P A34BD2P A34BD2P A43BD2P A50BD2P 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 3.15 OUTDOOR UNIT...
Page 128 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 2.94 switch (63H1) 2.84 2.84 2.84 2.84 2.84 2.84...
Page 129 protection Outdoor unit Heat 50Hz pump A24BBP5 A28BBP5 A28BBP8 A34BBP5 A34BBP8 A43BBP8 A50BBP8 model Cooling 50Hz only C24BBP5 C28BBP5 C28BBP8 C34BBP5 C34BBP8 C43BBP8 C50BBP8 model Crankcase Input 31-37 31-37 31-37 31-37 31-37 34-41 34-41 heater power Compressor protection Internal °C 120(*) protector 50Hz...
Page 130: Component Specification
Outdoor unit Heat 50Hz pump A24BBP5 A28BBP5 A28BBP8 A34BBP5 A34BBP8 A43BBP8 A50BBP8 model Cooling 50Hz only C24BBP5 C28BBP5 C28BBP8 C34BBP5 C34BBP8 C43BBP8 C50BBP8 model Heat Control Th greater or equal to 30°C ---------- High speed exchanger method Th less than 30°C ---------- 5 speed step control outlet temperature thermistor...
Page 131 Heat pump A24BBP5 A28BBP5 A34BBP5 A43BBP8 A50BBP8 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 132 CU-A50BBP8 A24BBP5 A28BBP5 A34BBP5 A43BBP8 Heat pump model A28BBP8 A34BBP8 Models CU-C50BBP8 C24BBP5 C28BBP5 C34BBP5 C43BBP8 Cooling only model C28BBP8 C34BBP8 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...
Page 133 Phase Phase Phase Phase Insulation Class Evaporator Models (Cooling Only CS-A24BD2P CS-A28BD2P CS-A34BD2P CS-A43BD2P CS-A50BD2P 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...
Page 134: Capacity And Power Consumption
Insulation 15. CAPACITY AND POWER CONSUMPTION 15.1. COOLING CAPACITY CURVE, COOLING POWER CONSUMPTION CURVE COOLING CAPACITY CURVE...
Page 135 COOLING POWER CONSUMPTION CURVE...
Page 137 RATED COOLING CAPACITY, RATED COOLING POWER / CONSUMPTION RATED COOLING STANDARD MODEL NAME CAPACITY (kW) POWER CONSUMPTION (kW) CS-A24BD2P/CU-A24BBP5 6.50 2.59 CS-A28BD2P/CU-A28BBP5 7.30 2.69 CS-A28BD2P/CU-A28BBP8 7.30 2.69 CS-A34BD2P/CU-A34BBP5 10.45 3.95 CS-A34BD2P/CU-A34BBP8 10.45 3.65 CS-A43BD2P/CU-A43BBP8 13.00 4.53 CS-A50BD2P/CU-A50BBP8 14.50 5.10 CS-A24BD2P/CU-C24BBP5 6.50...
Page 138 - Thus, / Actual cooling capacity = cooling capacity ratio x rated cooling = 0.92 x 7.80 = 7.18 (kW) Actual cooling power consumption = cooling power consumption x rated power consumption = 1.02 x 2.70 = 2.75 (kW) 15.2. PERFORMANCE DATA Model CS-A24BD2P/CU-A24BBP5, CS-A24BD2P/CU-C24BBP5 COOLING PERFORMANCE...
Page 139 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 6.36 2.12 6.58 6.25 2.28 6.25 6.13 2.43 5.86 5.86 2.59 5.40 5.40 2.72 7.17 5.53 2.28 6.91 5.46 2.43 6.58 5.33 2.59 6.25 5.19 2.75 5.86 4.98 2.88 7.76...
Page 140 Model CS-A28BD2P/CU-A28BBP5, CS-C28BD2P/CU-C28BBP5, CS-A28BD2P/CU-A28BBP8, CS-A28BD2P/CU-C28BBP8 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 7.68 7.30 2.33 7.39 7.17 2.49 7.02 7.02 2.67 6.58 6.58 2.84 6.06 6.06 2.98 8.06 6.36 2.49 7.76 6.29 2.67 7.39 6.13 2.84 7.02 5.97 3.01 6.58 5.72 3.16 8.72...
Page 141 COOLING CORRECTION FACTORS 17 (283) 20 (333) 23 (383) 24 (433) EVAP. AIR FLOW m min (l/s) SHC Sensible Heat 0.91 1.09 1.17 Capacity TC Total Cooling 0.93 1.07 1.14 Capacity Model CS-A34BD2P/CU-A34BBP5, CS-A34BD2P/CU-C34BBP5, CS-A34BD2P/CU-A34BBP8, CS-A34BD2P/CU-C34BBP8 COOLING PERFORMANCE Ambient Temperature Air Entering Condenser (°C D.B.) Return 25°C 30°C...
Page 142 10.81 9.62 3.04 10.32 9.46 3.26 9.88 9.28 3.49 9.25 8.88 3.71 8.52 8.52 3.90 11.33 8.27 3.26 10.92 8.19 3.49 10.39 8.01 3.71 9.88 7.80 3.93 9.25 7.50 4.12 12.26 6.26 3.63 11.86 6.28 3.82 11.33 6.23 4.04 10.81 6.17 4.23 10.18 6.01 4.46 10.73 9.55 3.04 10.32 9.39 3.26 9.79 9.21 3.49 9.18 8.82 3.71 8.46 8.46 3.90 11.24 8.21 3.26 10.83 8.12 3.49 10.32 7.94 3.71 9.79 7.74 3.93 9.18 7.44 4.12 12.17 6.20 3.63 11.76 6.23 3.82 11.24 6.18 4.04 10.73 6.12 4.23 10.11 5.97 4.46...
Page 143 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 12.18 3.66 13.16 11.98 3.93 12.50 11.75 4.19 11.71 11.24 4.46 10.79 10.79 4.69 14.35 10.47 3.93 13.82 10.36 4.19 13.16 10.13 4.46 12.50 9.87 4.73 11.71 9.48 4.95 15.53 7.92 4.37 15.00 7.95 4.60 14.35 7.89 4.86 13.69 7.80 5.08 12.89 7.61 5.35 13.60 12.10 3.66 13.08 11.90 3.93 12.43 11.68 4.19 11.63 11.17 4.46 10.73 10.73 4.69...
Page 144 COOLING CORRECTION FACTORS 32 (533) 36 (600) 40 (666) 44 (733) EVAP. AIR FLOW m min (l/s) SHC Sensible Heat 0.91 0.95 1.05 Capacity TC Total Cooling 0.93 0.97 1.03 Capacity Model CS-A50BD2P/CU-A50BBP8, CS-A50BD2P/CU-C50BBP8 COOLING PERFORMANCE Ambient Temperature Air Entering Condenser (°C D.B.) Return 25°C 30°C...
Page 145 15.00 13.95 4.42 14.42 13.70 4.74 13.70 13.43 5.06 12.84 12.84 5.39 11.83 11.83 5.66 15.72 12.11 4.74 15.15 11.97 5.06 14.42 11.68 5.39 13.70 11.37 5.72 12.84 10.91 5.98 17.02 9.36 5.28 16.44 9.37 5.55 15.72 9.28 5.88 15.00 9.15 6.14 14.14 8.91 6.47 14.88 13.84 4.42 14.31 13.59 4.74 13.59 13.32 5.06 12.74 12.74 5.39 11.73 11.73 5.66 15.60 12.01 4.74 15.03 11.87 5.06 14.31 11.59 5.39 13.59 11.28 5.72 12.74 10.83 5.98 16.89 9.29 5.28 16.31 9.30 5.55 15.60 9.20 5.88 14.88 9.08 6.14 14.02 8.83 6.47...
Page 146 HEATING POWER CONSUMPTION CURVE...
Page 147 RATED HEATING CAPACITY, RATED HEATING POWER / CONSUMPTION...
Page 148 MODEL NAME RATED HEATING STANDARD CAPACITY(kW) POWER CONSUMPTION(kW) CS-A24BD2P/CU-A24BBP5 7.10 2.50 CS-A28BD2P/CU-A28BBP5 7.75 2.61 CS-A28BD2P/CU-A28BBP8 7.75 2.40 CS-A34BD2P/CU-A34BBP5 11.20 3.55 CS-A34BD2P/CU-A34BBP8 11.20 3.40 CS-A43BD2P/CU-A43BBP8 14.20 3.90 CS-A50BD2P/CU-A50BBP8 15.70 5.09 <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.
Page 149: Discharge And Suction Pressure
16. DISCHARGE AND SUCTION PRESSURE 16.1. SATURATION TEMPERATURE OF DISCHARGE AND SUCTION PRESSURE...
Page 150: Position Of The Centre Gravity
17. POSITION OF THE CENTRE GRAVITY...
Page 153 OUTSIDE DIMENSIONS CENTRE OF GRAVITY MODEL WEIGHT 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 154: Sound Data
C50BBP8 18. SOUND DATA...
Page 160: Twin And Triple
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. Note that individual operation is not possible.
Page 162 (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 163 - Setting the master unit and slave units can also be carried out manually by using DIP switches. However, manual settings will always take priority. If you have made manual settings but would like to return to using automatic settings, set all slave unit DIP switches (refer to the table below) to the OFF position, and then press the ADDRESS RESET switch on the outdoor unit (SW3 on the outdoor unit printed circuit board).
Page 164 / / / / 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 165 - The indoor unit which is connected to the remote control unit (receptor) will have priority for becoming the master unit. - The master unit thermostat will be used as the indoor temperature thermostat. If the master unit thermostat is turned on, the slave unit thermostats cannot be adjusted even if they happen to be - DIP switch settings take priority in the setting of twin and triple addresses.
Page 166 open circuit error code (F26) will be displayed. / / Automatic address resetting for twin systems Function - This clears the current twin addresses which have been set automatically, and causes automatic twin address setting to be carried out once more. Procedure: Press the ADDRESS RESET switch SW3 (push button switch) on the outdoor unit circuit board continuously / until LEDs 2 to 8 on the outdoor unit circuit board are all illuminated (takes approx.
Page 167 - The following table shows the equivalent pipe lengths and height differences for twin-and triple- type systems...
Page 169 NOTE: 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.
Page 170 Installing branch pipes...
Page 171 19.3. Refrigerant charging - For twin- and triple-type systems / The pipe length is the total of the branch pipe (L) and the junction pipes (Ia t Ib t Ic in order from the thickest diameter)). At the / point where the pipe length exceeds 30 m, determine the amount of refrigerant for the remaining liquid-side pipe diameters and / pipe lengths from the following table in order to charge the system.
Page 173 19.4. Wiring...
Page 175: Wiring Mistake Prevention
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 176 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. In such cases, check that the power supply wires (connected to terminals [1] and [2] and the control wires (connected to terminals [3] and [4] ) are connected correctly.
Page 177: Test Operation And Self Diagnosis
- Do not connect U-NET transmission wires to terminals A and B of the remote control. / (*1) U-NET transmission wires are the communication wires used for the central controller. 21. TEST OPERATION AND SELF DIAGNOSIS 21.1. Test operation - Always be sure to use a properly-insulated tool to operate the switch on the circuit board. (Do not use your finger or a metallic object).
Page 178 During outdoor unit emergency operation or test operation, the LEDs on the printed circuit board will flash. To cancel test operation, press the TEST or RUN button once more while test operation is being carried out. / (Test operation will stop automatically after 30 minutes have passed.) NOTE: 1.
Page 179 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.
Page 180 2. Do not short the remote control unit wires to each other. (The protection circuit will be activated and the units will not operate.) / Once the cause of the short is eliminated, normal operation will then be possible. 21.3. Test operation using the wired remote control...
Page 183 Self-diagnosis error code table...
Page 185: Setting Of Save Energy And Thermistor Switch
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 187: Group Control
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. (Do not mix heat pump units and cooling-only units.) - Do not mix manual settings and automatic settings.
Page 188 - When address numbers are set automatically, you will not know which address number corresponds to which indoor unit. - Do not turn off the power supply for at least 1 minute during automatic address setting, otherwise the settings will not be made correctly. Automatic address resetting for group control After setting DIP switches 1 to 4 to OFF and stop operation.
Page 189: Troubleshooting
thermistor at the remote control unit box. However, do not switch to the remote control unit thermistor if using two remote control units. 1. While operation is stopped, press and hold the STOP/RUN switch, and then press the UP and DOWN / switches together.
Page 191 1. The main power is turned on while the indoor-outdoor transmission wires are not connected (open circuit at section A) / Symptom: / Remote control unit... “CHECK” flashes / NOTE: / Indoor unit... LED2 on printed circuit board flashes / Outdoor unit... LED3 and LED7 on printed circuit board flash / 2.
Page 192 Remedy 1. Turn off the main power. / 2. Connect the disconnected wire correctly. / 3. Turn the main power back on. / 4. After 1 minute, start operation using the remote control. / (Indoor unit... Operation will start according to the remote control setting.) / (Outdoor unit... Operation will start after 3-5 minutes.) NOTE: / / The “CHECK”...
Page 193 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 194 - Remote control. “CHECK” flashes - Indoor unit (master). The LEDs on the printed circuit board flash - Indoor unit (slave)... The LEDs on the printed circuit board do not illuminate and the unit does not operate at all - Outdoor unit... The LEDs on the printed circuit board flash and operation stops / 3.
Page 195 2. Press the ADDRESS RESET button (SW3) at the outdoor unit for approximately 4 seconds / (The self-diagnosis LEDS 2 to 8 will illuminate in order, and the system is reset once they are all illuminated.) / The above procedure cannot be used to carry out automatic address resetting during group control.
Page 196 2. The main power is turned on while the power supply wires between the indoor units are not connected (open circuit at section B) / Symptom: / Operation of indoor unit No. 1 and indoor unit No. 3 is possible / However, if operation is then started in this condition, the combination of the 28BB outdoor unit and the 14BB indoor unit (master unit) will cause abnormal operation of indoor unit No.
Page 197 addresses will be momentarily reset, and then automatic address setting will be carried out once more. / The above procedure cannot be used to carry out automatic address resetting of twin/triple control. / / (Note on automatic address setting) / The printed circuit boards automatically store the connected system configuration when power is supplied.
Page 198 When the slave units do not operate (when address cannot be set) / 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:...
Page 199 1. Automatic address setting (no need to have dip-switch set) / If the wiring connected properly as above example, the AC numbers are set automatically by the main power supply. An indoor unit with remote control will be set as the master. / If the power source is installed to indoor units and...
Page 200 outdoor separately, turn on the switch as the following procedure: outdoor unit, indoor unit with controller, and other indoor units. The AC number will be set at random. / / 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: 3.
Page 201 Procedures of deleting memory at twin/triple control system 1. Set the “OFF” position for main power supply switch.
Page 202 2. Set the “ON” position for No. 8 pin of dip switch (DSW1) on indoor unit P.C. board. 3. Take main power supply switch “ON” for one minute, and then main power supply switch off. 4. Set the “OFF” position for No. 8 pin of dip switch (DSW1). Procedure of deleting memory at group control system 1.
Page 203: Emergency Operation
25. EMERGENCY OPERATION Emergency operation - Emergency operation of outdoor unit / Emergency operation can be carried out by setting the DSW1 switch on the printed circuit board inside the outdoor unit to the EMERGENCY position. However, emergency operation is only carried out when an abnormality is detected by the indoor/...
Page 204 outdoor temperature thermistors. / The resistance values of each thermistor are measured as shown in the table below to determine if there is an abnormality. / / Thermistor resistance table Resistance value (k ) ± 5% Temperature Room Pipe temperature temperature thermistor thermistor...
Page 205 - Set only the thermistor which shows an abnormality to the condition shown in the table below to carry out emergency operation...
Page 206 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. - If there is an abnormality in the room temperature thermistor, the temperature will be fixed at 25°C regardless of the remote control unit display.
Page 207 26. CONTROL 26.1. Description of basic Functions 26.1.1. Cooling mode operation time chart...
Page 208 (*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.
Page 209 After 30 seconds, the heat exchanger outlet temperature is detected and the outdoor unit fan speed is changed automatically. (*2) / Cooling low outdoor temperature protection / When the heat exchanger outlet temperature drops to less than 12°C for a continuous period of 10 minutes, the outdoor unit stops running.
Page 210 15°C or higher, restart prevention control will activated and the outdoor unit will not start again for 3 minutes.) / (The 9-minute countdown is cleared while the compressor is stopped.) (The above illustration shows the operation when there are no conditions for turning the outdoor unit off other than freezing prevention.) 26.3.
Page 212: Hot Starting
(*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.) 26.4.
Page 213 display on the remote control disappears and the louvre operation / returns to the previous setting. / (However, for 2 minutes after cancellation, the indoor unit fan operates at LOW speed, and then returns to / the previous setting.) / / <When hot start operation is cancelled by temperature>...
Page 215 2. When defrosting is complete 1. Start / Hot start control commences when defrosting is complete. 2. Operation / “PREHEAT” appears on the remote control display. (Other displays remain unchanged.) / At the indoor unit, the indoor unit fan stops. In addition, during hot starting, the louvre stays at the horizontal / position (angle 0~).
Page 217 26.5. Indoor unit fan control when thermostat is off during heating mode operation When the thermostat of the indoor unit turns off during heating mode operation, the indoor unit fan operates for 2 minutes at LOW and then stops. In addition, 5 minutes after the thermostat of the indoor unit turns off, the indoor unit fan again runs at LOW for 10 seconds, and at 3- minute intervals after that it switches back to LOW operation for 10 seconds.
Page 218 LOW speed for the remainder of the 30 seconds in (1), and then hot start commences.) 26.7. Defrost mode operation time chart 1. Start and completion of defrosting A. Start / During heating mode operation (including automatic heating), after the 45-minute defrosting cycle time has / passed, defrosting starts if the temperature detected by the outdoor unit heat exchanger outlet sensor is / 2~C or lower for a continuous 5-minute period.
Page 219 / 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. / After defrosting is complete, hot starting commences.
Page 223 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 225 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...
Page 226 table below. 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 227: Discharge Temperature Control
1. Start / Carried out when the compressor switches from on to off (when the remote control unit is used to stop operation) 2. Operation / The outdoor unit fan runs at SUPER HI speed for approximately 60 seconds and then stops.
Page 228: Installation
27. INSTALLATION <INDOOR UNIT> 27.1. Precautions in terms of safety Carry out the installation work with reliability after thorough reading of this “Precautions in terms of safety”. - Precautions shown here are differentiated between Warning and Cautions, those that have a high chance of leading to a significant result such as fatality or serious injury if the wrong...
Page 229 installation is carried our are listed in the Warnings. / However, even in the case of items which are listed in the column Cautions, column such items also offer a chance of leading to a significant result depending on the situations. / In either case, important descriptions regarding the safety are listed, then observe them without fail.
Page 230 Warnings Cautions As to installation, request the distributor Carry out ground work.Do not or vendor to perform it. Imperfection in connect the ground return to the installation caused by that having been gas pipe, water line pipe, lightning carried out by the customer himself leads to rod, ground return of the water leakage, electric shock, fire, etc.
Page 231 Electric work shall be carried out by the person qualification as an electric worker according to “Technical standards regarding electric installation”, and manual for installation work, and use exclusive circuit without fail. Presence of insufficient capacity in power circuit or imperfection in execution leads to electric shock, fire, etc.
Page 232 27.3. SELECTING THE LOCATION OF THE INDOOR UNIT - The place shall easily bear a load exceeding four times the indoor units weight. - The place shall be able to inspect the unit as the figure. - The place where the unit shall be levelled. - The place shall allow easy water drainage.
Page 233 drain as figure.) - The place shall easily connect with the outdoor unit. - The place where the unit is not affected by an electrical noise. 27.4. INSTALLATION OF INDOOR UNIT...
Page 234 [POSITION OF SUSPENSION BOLT] (unit: mm) Model name 1,060 1,000 A24BD2P A28BD2P 1,060 1,000 A34BD2P A43BD2P A50BD2P...
Page 235 - Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. - Apply a filter (local supply) at air return hole. Install the unit leaning to a drainage hole side as a figure for easy water drainage. 27.5. INDOOR UNIT DRAIN PIPING - The unit has two drainage holes at both side.
Page 237 27.6. PIPING CONNECTION 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 centres of the union fitting of the indoor unit and the piping, and...
Page 238 tighten them firmly with wrenches. 3. Connect pipe to the service valve or ball valve which is located below the outdoor unit. 4. After completing the piping connection, be sure to check if there is gas leakage in indoor and outdoor connection.
Page 239 Model name Liquid side Gas side piping piping Ø 9.52mm Ø 15.88mm CS-A24BD2P CS-A28BD2P Ø 9.52mm Ø 19.05mm CS-A34-BD2P Ø 12.7mm Ø 19.05mm CS-A43BD2P CS-A50BD2P / Vacuum drying After completing the piping connection, execute vacuum drying for the connection piping and the indoor unit.The vacuum drying must be carried out using the service ports of both liquid and side valves.
Page 240 27.7. POINT OF REMOTE CONTROL INSTALLATION 27.7.1. Notes regarding wired remote control unit setting-up location - Select a place where the remote control unit can be operated easily (after obtaining approval from the building's owner). - Install in a place which is away from direct sunlight and as free from humidity as possible. - Install in a place which is as flat as possible to avoid warping of the remote control unit.
Page 241 - Avoid installing the remote control cord near refrigerant pipes or drain pipes. - Install the remote control cord at least 5 cm away from other electric wires (including stereo and TV cables) to avoid mis-operation (electromagnetic noise). - If passing the remote control cord through a wall, be sure to install a water trap above the cord. - For twin and triple types, only the main unit can be connected to the remote control unit.
Page 242 27.7.2. Remote control unit installation - Be sure to turn off the main power before installing and connecting the remote control unit. / (If the...
Page 243 remote control unit is connected while the power is still turned on, the remote control unit displays may not appear.) / If no displays appear on the remote control unit, check while referring to “If no remote control unit displays appear” in “5. Test operation”. - The remote control cable is live during use, so take care not to short it.
Page 244 - Solder a sheathed PVC cord or cable (0.5 - 2.0 mm ) with specifications among those given below to the remote control unit end of the accessory remote control cord (10m). - PVC round cabtire cord - PVC-insulated PVC sheathed cable for control use - PVC-insulated PVC sheathed cable for control use - 600 V PVC-insulated PVC sheathed round cable - 600 V PVC-insulated PVC sheathed flat cable...
Page 245 NOTE / Be sure to use only the accessory screws. / Do not bend the lower case when tightening the screws. (If the screws are overtightened, damage may result.) / Do not remove the protective tape which is affixed to the upper case circuit board.
Page 246 - If installing the remote control unit with the remote control unit cord exposed, use pliers to cut a notch into the upper case. (The feeding-out direction can be either up or to the left or right.) - Strip the end of the remote control cord which is to be connected to the remote control unit. (Refer...
Page 247 to the illustration at right.) - Route the remote control cord inside the lower case in accordance with the intended feeding-out direction. (Refer to the illustration below) Securely connect connector CN1. (If it is not connected, the remote control unit will not operate.)
Page 248 NOTE / After connecting the connector, do not suspend the upper case by its own weight, otherwise the connector cord may break.
Page 249 - If controlling using two remote control units, refer to “Control using two remote control units” in “4.Settings”. - Secure the upper case to the lower case. / (Hook the upper tab of the upper case into the lower case, and then push the upper case until it snaps / shut onto the lower case tab, while being careful not to clamp the remote control cord and the / connector cord.)
Page 250 If remote control cord is embedded If installing with the remote control cord exposed...
Page 251 1. Embed an outlet box (JIS C 8336) into the wall, and then secure the 1. Secure the remote control unit base plate to the wall with the two remote control unit base plate to the outlet box with the two accessory M4 accessory 4 mm screws.
Page 252 - The indoor unit can be operated with the last switch pressed having priority. 1. Decide which is to be the main and which is to be the sub remote control unit. The main or the sub status of the remote control unit is set automatically. The MAIN/SUB setting switch can also be used to make the setting manually, however if the manual setting is made, that manual setting has priority.
Page 253 If no remote control unit displays appear - Check whether LED1 (green) on the indoor unit printed circuit board is illuminated or switched off. If it is switched off, check the circuits on the indoor unit printed circuit board. - Check once more that the remote control cord is securely connected. (Check for loose terminals, poor contacts, connection positions on terminal block, etc.) - If the above checks show that nothing is wrong but nothing appears on the remote control unit display, it is possible that the remote control unit was connected while the main power was still...
Page 254 WIRING CONNECTION <INDOOR UNIT> - Remove the control box cover for electrical connection between the indoor and outdoor unit. (Remove two screws no.(1). - Use the cord clamper to fix the cord.
Page 255 Caution Make sure the screws of the terminals are correctly tightened. Fastening torque / M4 118N.cm {12kgf.cm} / M5 196N.cm (20kgf.cm} 27.9. ELECTRICAL WIRING 1. All wiring must comply with LOCAL REGULATIONS.
Page 256 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 switchboard designed for this purpose. 4. Install a leakage breaker if the electrical wiring is subject to excessive moisture. 5.
Page 259 27.10. HEAT INSULATION THERMAL INSULATION <INDOOR UNIT>...
Page 261 <REFRIGERANT PIPE> - Insulate and tape both the gas piping and liquid piping. 1. For refrigerant and drain pipings, execute referencing the piping procedure label packed with the unit body.
Page 262 Use the heat insulation material for the refrigerant piping which has an excellent heat resistance (over 120°C) 3. Precautions in high humidity circumstance: / This air conditioner has been tested according to the “JIS Standard Conditions with Mist” and confirmed that there is not any fault. However if it is operated for a long time in high humid atmosphere (dew point temperature: more than 23°C), water drops are liable to fall.
Page 263 - Heat insulation material to be prepared. Adiabatic glass wool with thickness 10 to 20mm. - Stick all glass wool on all air conditioners that are located in ceiling atmosphere. - In addition to the normal heat insulation (thickness: more than 8mm) for refrigerant piping (gas piping: thick piping) and drain piping, add further 10mm to 30mm thickness material.
Page 264 Indoor LED Outlet LED CHECK POINT FAULT POINT Remote control LED1 LED2 LED3 LED4 LED1 LED2 LED3 LED4 indicator Water level float switch Drain pump and drain piping Light Indoor temperature Indoor temperature thermistor thermistor cord Piping thermistor Piping thermistor cord Remote control data Data transmission transfer error...
Page 265 27.12. USE OF TIMER (LOCAL ARRANGEMENTS) 27.13. INDOOR UNIT PRINTED CIRCUIT BOARD (MICROCOMPUTER BOARD)
Page 266 Use of jumper wire...
Page 267 DIFFERENTIAL EXIST EXIST 2°C EXIST 1.5°C EXIST 2.5°C Use of switch Switch Subject ON/OFF Twin.Triple Master/Slave Emergency Emergency/Normal operation DSW1 Indoor Unit Please refer to the adress installation 1 ~ 4 instruction sheet DSW1 Do not If change the switch, change unit will 5 ~ 8...
Page 268 The initial power supply must provide at least 90% of the rated voltage. Otherwise, the air conditioner should not be operated. - The remote control is used to execute a test run. - Press the ON/OFF ( ) switch first. - Press the TEST RUN switch within one minute after the ON/OFF...
Page 269 ) switch - Select the operation mode. - To cancel the test run, press the TEST RUN switch again. - * The test run terminates automatically after 30 minutes.
Page 270 For the test operation, press the push buttons in the order shown POWER-ON COOLING TEST RUN -ON (operated for five to eight minutes) POWER OFF 27.15. CHECK THE FOLLOWING ITEMS WHEN INSTALLATION IS COMPLETE - After completing work, be sure to measure and record trial run properties, and store measuring data.
Page 271: Installation (Outdoor Unit)
27.16. DELIVERY TO OUR CUSTOMERS - Teach the customers the operation and maintenance procedures, using the operation manual (air filter cleaning, temperature control, etc.,) As for work specifications of the outdoor unit, read the WORK INSTRUCTION attached to the outdoor unit. 28.
Page 291: Replacement Parts
29. REPLACEMENT PARTS 29.1. CS-A24BD2P, CS-A28BD2P, CS-A34BD2P, CS-A43BD2P, CS-A50BD2P...
Page 293 CS-A24BD2P, CS-A28BD2P, CS-A34BD2P, CS-A43BD2P, CS-A50BD2P...
Page 294 CS-A28BD2P CS-A34BD2P CS-43BD2P CS-A50BD2P PART DESCRIPTION QTY. CS-A24BD2P CABINET (BOTTOM) P42-T03010 P42-T02170 DRAIN PAN P42-T02370 P42-T02700 EVAPORATOR P45-T05110 P45-T05140 P45-T05150 DISTRIBUTOR ASS’Y P45-T04670 P45-T07030 P45-T04940 P45-T04770 P45-T04690 CABINET (TOP) P02-T07570 P02-T07490 CABINET (BACK) P42-T03380 P42-T03400 DUCT FLANGE ASS’Y (OUTLET) P42-T02390 P42-T02150 FAN BASE ASS’Y...
Page 295 29.2. OUTDOOR UNIT...
Page 304 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 305 V-COIL COMPLETE CWA43C2068 V-COIL COMPLETE (4 WAY VALVE) CWA43C2060 PIPING SENSOR (DISCHARGE) CWA501042 PIPING SENSOR (COIL) CWA501043 SPRING FOR SENSOR CWH711010 CABINET REAR PLATE CWE02C1005 CONTROL BOARD CWH141004 COMPRESSOR RELAY CWA001005 CWA001007 TERMINAL BOARD ASS’Y CWA28K1027 CWA28K1029 CAPACITOR-FAN MOTOR (3 / 460) DS461305QP-A CAPACITOR-COMP (MF/V) DS441456CPNB / (45 / 440) DS441506CPNB / (50 / 440)
Page 306 FLARE NUT (1/4”) / (3/8”) 6002140 (1/4”) CWT25005 (3/8”) FLARE NUT (5/8”) CWT25004 PIPE COVER (FRONT) CWD601017A PIPE COVER (BACK) CWD601018A CABINET FRONT PLATE CWE06C1033 HANDLE CWE161008 HANDLE CWE161009 LEADWIRE-COMPRESSOR CWA67C3657 CWA67C3665 ACCESSORY COMPLETE CWH82C1105 INSTALLATION INSTRUCTION CWF612231 All parts are supplied from MACC, Malaysia (Vendor Code: 086) PART DESCRIPTION QTY.
Page 307 TUBE ASS’Y(3 WAYS VALVE) CWT022362 CWT022363 TUBE ASS’Y(VALVE+STRAINER) CWT01C2282 CWT01C2283 3-WAYS VALVE CWB011054 CWB011053 STRAINER CWB111006 CWB111005 2-WAYS VALVE CWB02299 CAPILLARY TUBE for VALVE CWB15K1038 CWB15K1037 PIPE HOLDER RUBBER CWG251014 CWG251015 HOLDER-SERVICE VALVE CWD911124 CWD911124 SOUND-PROOF BOARD ASS’Y CWH151016 SOUND PROOF MATERIAL-COMP CWG302098 V-COIL COMPLETE CWA43C2068...
Page 308 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 320 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 321 V-COIL COMPLETE-4 WAY VALVE CWA43C2063 PIPING SENSOR (DISCHARGE) CWA501044 PIPING SENSOR (COIL) CWA501045 SPRING FOR SENSOR CWH711010 CABINET REAR PLATE CWE021012A CWE02C1006 CONTROL BOARD CWH141004 COMPRESSOR RELAY CWA001006 CWA001005 TERMINAL BOARD ASS’Y CWA28K1027 CWA28K1029 CAPACITOR-FAN MOTOR (3 / 460) DS461305QP-A CAPACITOR-COMP (MF/V) DS371606CPNA (60 / 370)
Page 322 FLARE NUT (6/8”) CWT251012 PIPE COVER (FRONT) CWD601017A PIPE COVER (BACK) CWD601018A CABINET FRONT PLATE CWE061046A HANDLE CWE161008 HANDLE CWE161009 LEADWIRE-COMPRESSOR CWA67C3876 CWA67C3656 ACCESSORY COMPLETE CWH82C1105 INSTALLATION INSTRUCTION CWF612231 All parts are supplied from MACC, Malaysia (Vendor Code: 086) PART DESCRIPTION QTY.
Page 323 TUBE ASS’Y(VALVE+STRAINER) CWT022359 CWT022360 CWT022361 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)
Page 324 SPRING WASHER for P.FAN XWB10B NUT for PROPELLER FAN CWH56033 CWE061044A P.FAN AIR GUIDER PLATE CWE061042A FAN GUARD CWD041014A CONDENSER GUARD CWD041016A CWD041017A CABINET TOP PLATE COMPLETE CWE03C1004 CWE03C1005 FLARE NUT (3/8”) CWT25005 FLARE NUT (6/8”) CWT251012 PIPE COVER (FRONT) CWD601017A PIPE COVER (BACK) CWD601018A...

This manual is also suitable for:

Cu-a24bbp5 Cs-a28bd2p Cu-a28bbp5 Cu-a28bbp8 Cs-a34bd2p Cu-a34bbp5 ... Show all

Panasonic CS-A24BD2P Manual

Quick Links

Need help?

Questions and answers

Related Manuals for Panasonic CS-A24BD2P

Summary of Contents for Panasonic CS-A24BD2P

This manual is also suitable for:

Table of Contents