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Item Unit 

OUTDOOR 

UNIT 

Air Volume 

High 

m

3

/min (ft

3

/min) 41.0 

(1447) 

Refrigerant Control Device 

 

 

Expansion Valve 

Refrigerant Oil 

 

cm

3

 FV50S 

(900) 

Refrigerant (R410A) 

 

g (oz) 

2.23k (78.7) 

 

Dry Bulb 

Wet Bulb 

Indoor Operation Range 

Cooling 

Maximum 

°C (°F) 

32 (89.6) 

23 (73.4) 

Minimum 

°C (°F) 

16 (60.8) 

11 (51.8) 

Heating 

Maximum 

°C (°F) 

30 (86.0) 

— 

Minimum 

°C (°F) 

16 (60.8) 

— 

Outdoor Operation Range 

Cooling 

Maximum 

°C (°F) 

46 (114.8) 

26 (78.8) 

Minimum 

°C (°F) 

-10 (14.0) 

— / — 

Heating 

Maximum 

°C (°F) 

24 (75.2) 

18 (64.4) 

Minimum 

°C (°F) 

-15 (5.0) 

-16 (3.2) 

 
Note 

 

Specifications are subject to change without notice for further improvement. 

 
 

 

Multi split combination possibility: 

o

  A single outdoor unit enables air conditioning of up to two separate rooms for CU-2E18SBU. 

 

 

 

 Outdoor 

Unit 

 

 

 CU-2E18SBU 

 

 

 A 

Wall

 

1.6 kW 

CS-ME5RKUA, CS-ME5SD3UA 

• • 

2.0 kW 

CS-ME7RKUA, CS-ME7SD3UA 

• • 

2.5 kW 

CS-E9RKUAW, CS-ME9SB4U, CS-E9SD3UAW 

• • 

3.2 kW 

CS-E12RKUAW, CS-E12RB4UW, CS-E12SD3UAW 

• • 

Capacity range of connectable indoor units 

From 3.2 kW to 6.4 kW 

 

 

Piping Length 

1 room maximum pipe length (m (ft)) 

25 (82.0) 

 

 

Allowable elevation (m (ft)) 

15 (49.2) 

 

 

Total allowable pipe length (m (ft)) 

50 (164.0) 

 

 

Total pipe length for maximum chargeless length (m (ft)) 

20 (65.6) 

 

 

Additional gas amount over chargeless length (g/m (oz/ft)) 

20 (0.2) 

 

 

 

 

Note: “

” : Available 

Remarks for CU-2E18SBU 
1. At least two indoor units must be connected. 
2. The total nominal cooling capacity of indoor units that will be connected to outdoor unit must be within connectable capacity range of 
    indoor unit. 
    (as shown in the table above) 
    Example: The indoor units’ combination below is possible to connect to CU-2E18SBU. (Total nominal capacity of indoor units is between 
    3.2 kW to 6.4 kW) 
    1) Two CS-E9RKUAW only. (Total nominal cooling capacity is 5.0 kW) 
    2) One CS-E9RKUAW and one CS-E12RKUAW. (Total nominal cooling capacity is 5.7 kW) 

 

 

Specifications are subject to change without notice for further improvement. 

 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for PAPAMY1604017CE

Page 1: ...rienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to ser...

Page 2: ...Dew Prevention Control Cool 24 13 3 Electronic Parts Temperature Rise Protection 1 Cool 24 13 4 Electronic Parts Temperature Rise Protection 2 Cool 24 13 5 Cooling Overload Control Cool 25 13 6 Heatin...

Page 3: ...efrigeration cycle and result in explosion injury etc 8 Do not add or replace refrigerant other than specified type It may cause product damage burst and injury etc 9 For R410A model use piping flare...

Page 4: ...y cause electrical shock in case of equipment breakdown or insulation breakdown CAUTION 1 Do not install the unit at place where leakage of flammable gas may occur In case gas leaks and accumulates at...

Page 5: ...ressure Level dB A 49 Sound Power Level dB 63 Power Factor 99 98 Maximum Current A 13 6 Maximum Input Power W 3 04k Starting Current A 8 5 Minimum Circuit Ampacity A 20 Dimension Height mm inch 795 31...

Page 6: ...4U CS E9SD3UAW 3 2 kW CS E12RKUAW CS E12RB4UW CS E12SD3UAW Capacity range of connectable indoor units From 3 2 kW to 6 4 kW Piping Length 1 room maximum pipe length m ft 25 82 0 Allowable elevation m...

Page 7: ...1330 360 1690 12 55 19 00 6 0 0 6 0 6 Specifications are subject to change without notice for further improvement Indoor unit capacity Total Heating Capacity kW Input Power W COP W W HSPF Current 230...

Page 8: ...View Side View 1 3 32 39 3 38 3 7 8 3 7 8 24 1 8 Anchor Bolt Pitch 14 13 64 x 24 1 8 34 15 32 5 5 32 3 3 4 1 1 2 5 7 32 1 5 8 14 3 6 3 9 32 5 5 32 1 21 32 3 3 8 x 3 10 1 8 8 9 32 6 9 16 63 64 3 3 16 3...

Page 9: ...P SENSOR PIPE TEMP SENSOR HEAT EXCHANGER EVAPORATOR INTAKE TEMP SENSOR PIPE TEMP SENSOR HEAT EXCHANGER EVAPORATOR PIPE TEMP SENSOR PIPE TEMP SENSOR EXPANSION VALVE A STRAINER EXPANSION VALVE B STRAINE...

Page 10: ...10 5 Block Diagram 1 2 3 1 N L POWER SUPPLY TO INDOOR UNIT A TO INDOOR UNIT B 2 3 FUSE NOISE FILTER SC REACTOR L FUSE FM COMP...

Page 11: ...T WHT WHT WHT WHT CN DISP 1 WHITE CN NMODE 1 WHITE CN DISP 1 WHITE CN DISP 2 WHITE CN NMODE YELLOW ELECTRO MAGNETIC COIL 4 WAY VALVE CRANK CASE HEATER ELECTRO MAGNETIC COIL EXPAND VALVE ELECTRO MAGNET...

Page 12: ...HT AC BLK GRY BLK BLK FUSE1 T 3 15A L 250V FUSE2 T 2 5A L 250V RY PWR RY AC PTC1 PTC2 DB2 DB1 L DB3 CT400 RY C T1 L1 I L2 I L2 O L1 O L L L L L L P N U V W CN FM1 WHITE 1 1 1 1 1 4 1 1 1 6 1 1 1 3 3 8...

Page 13: ...13 8 Printed Circuit Board 8 1 Main Printed Circuit Board CN TH1 CN HOT CN DATA CN EV1 CN HT CN EV2 CN DIS CN TH3 CN TH2 CN TH4 CN PSW1 CN FM1...

Page 14: ...14 8 2 Noise Filter Printed Circuit Board CN COM CN DATA CN WHT CN BLK 8 3 Display Printed Circuit Board CN DISP1 CN NMODE1 CN NMODE2 SW1 SW2 SW3 SW4 SW5 LED1 LED2 LED3 LED4 LED5 LED6...

Page 15: ...onal gas Addi tional refri ge rant Power supply Power supply wire size OD ID connection wire size Gas Liquid Outdoor OD CU 2E18SBU Indoor ID 2 UNITS OF CS E9RKUAW 16700 R410A 3 8 9 52mm 1 4 6 35mm 24...

Page 16: ...ent before installing the outdoor unit HEAT PUMP TYPES ONLY Part name Qty Diagram Application Drain elbow 1 For connecting the drain pipe 10 2 Cutting and Flaring the Piping 1 Please cut using pipe cu...

Page 17: ...on parts you should purchase It is advisable to avoid more than 2 blockage directions For better ventilation multiple outdoor installation please consult authorized dealer specialist 3 8 9 52 mm Gas s...

Page 18: ...4 1 8 613 mm 5 5 32 131 mm 5 8 16 mm 14 3 16 360 5 mm 10 5 Connect the Piping Remove the control board cover resin from the outdoor unit by loosening three screws Connecting the Piping to Outdoor Unit...

Page 19: ...ps of gas side 3 way valve at a torque of 13 3 Ibf ft 18 N m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to Open using a hexagon...

Page 20: ...208 230V 60Hz min AWG12 208 230V min AWG16 208 230V min AWG16 208 230V min AWG16 208 230V min AWG16 208 230V min AWG16 208 230V min AWG16 Terminal Indoor Unit B Unit A Unit B Power Supply Cord Indoor...

Page 21: ...Cooling operation is activated with compressor ON o Outdoor ambient temperature is less than 59 F Control contents o When the above conditions are fulfilled based on outdoor pipe temperature the outd...

Page 22: ...and indoor units Operation start condition o Powerful operation ON for targeted indoor unit Operation content o If other indoor units where Powerful operation are OFF achieve setting temperature conti...

Page 23: ...ing was pressed afterward the operation lamp of the indoor unit blinks where the attempt is made to establish the heating operation Its fan is stopped and the air does not discharged o While a heating...

Page 24: ...ions o Outdoor ambient temperature is at protection region as shown in figure below Protection Region Normal Region 89 6 F 86 F OD temp o Outdoor unit total current is above 5 5A Control content o Out...

Page 25: ...q maintain This control detect outdoor ambient temperature and perform the fan speed adjustment during heating operation RPM controlled 53 6 F 50 F RPM free OD temp 13 7 Extreme Low Temperature Compre...

Page 26: ...ency will increase However if total outdoor unit running current exceeds Y value compressor will be stopped immediately for 3 minutes Operation Mode CU 2E18SBU X A Y A Cooling Soft Dry A 12 2 17 5 Coo...

Page 27: ...all indoor units 13 15 Valve Close Detection Control This control detects 3 way valve close condition to prevent damage to refrigerant cycle Start conditions o For all connected indoor units if Indoor...

Page 28: ...ion will stop automatically after 15 minutes if PUMP DOWN switch SW1 is not pressed again Pump down operation is not started within 3 minutes after compressor is stopped LED 2 3 4 5 Message Status Pum...

Page 29: ...ng automatic correct example Terminal block From Room B to the living room From Room A to the bedroom NOTE 1 For two rooms connection LED 4 and 5 are not illuminated after wiring operation complete 2...

Page 30: ...ecification and combination table in catalogue H15 Compressor temperature sensor abnormality O O Continuous for 5s Compressor temperature sensor open or short circuit Compressor temperature sensor lea...

Page 31: ...tion short circuit F11 4 way valve switching abnormality O O O O 4 times happen within 30 minutes 4 way valve switching abnormal 4 way valve Lead wire and connector F17 Indoor standby units freezing a...

Page 32: ...in 30 minutes Compressor overheat Insufficient refrigerant F98 Total running current protection O O 3 times happen within 20 minutes Total current protection Check refrigeration system Power source or...

Page 33: ...ful of electrostatic discharge 16 1 1 Removing the Cabinet Top Plate and Cabinet Front Plate 1 Remove the cabinet top plate remove the 8 screws 2 Remove the 8 screws 1 on the center 3 at the top and 4...

Page 34: ...w at the right side of the control box and pull out the entire control box 9 Release the control P C Board tab to remove the control P C Board 6 9 8 7 16 1 4 Removing the Propeller Fan and Fan Motor 1...

Page 35: ...35 3 Disconnect the fan motor connector from the control P C Board 4 Loosen the 4 fan motor mounting screws then remove the fan motor 4...

Page 36: ...17 3 89 1 13 1 6 2 5 22 71 6 5 07 0 89 5 23 0 87 5 28 0 87 5 38 0 86 5 92 0 85 6 28 0 84 25 77 5 02 1 01 5 19 1 01 5 25 1 01 5 37 1 01 5 92 1 02 6 28 1 02 29 84 2 4 90 1 16 5 08 1 17 5 15 1 17 5 27 1...

Page 37: ...1 26 29 84 2 5 77 1 43 5 99 1 44 6 07 1 44 6 22 1 45 6 86 1 48 7 29 1 49 32 89 6 5 62 1 55 5 84 1 56 5 92 1 57 6 07 1 58 6 69 1 61 7 10 1 62 35 95 5 42 1 65 5 64 1 67 5 71 1 68 5 86 1 69 6 45 1 70 6...

Page 38: ...16 60 8 14 04 1 69 9 83 2 07 7 80 2 30 6 47 2 51 5 94 2 62 5 73 2 60 5 16 2 48 18 64 4 13 94 1 75 9 59 2 10 7 46 2 32 6 06 2 52 5 53 2 65 5 42 2 66 5 06 2 58 20 68 13 83 1 82 9 35 2 13 7 13 2 34 5 65...

Page 39: ...1 18 64 4 14 07 1 63 9 68 1 96 7 54 2 16 6 12 2 35 5 58 2 47 5 47 2 48 5 11 2 41 20 68 13 97 1 69 9 44 1 99 7 20 2 18 5 71 2 36 5 16 2 49 5 15 2 53 5 01 2 51 21 69 8 13 81 1 73 9 23 2 01 7 06 2 20 5 7...

Page 40: ...0 62 000 64 000 10 20 30 40 50 60 70 80 90 100 110 120 Outlet Air F Outdoor Air Temperature F CS E12RKUAW CS E9RKUAW 14000 15000 16000 17000 18000 19000 20000 21000 22000 10 20 30 40 50 60 70 80 90 10...

Page 41: ...62 000 62 200 62 400 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Outlet Air F Piping Length ft CS E12RKUAW CS E9RKUAW 15500 16000 16500 17000 17500 18000 10 15 20 25 30 35 40 45 50 55 60 65 70 75...

Page 42: ...50 55 60 65 70 75 Outlet Air F Outdoor Air Temperature F CS E12RKUAW CS E9RKUAW 10000 12000 14000 16000 18000 20000 22000 24000 26000 28000 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 Capacity Btu h O...

Page 43: ...94 200 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Outlet Air F Piping Length ft CS E12RKUAW CS E9RKUAW 19600 19800 20000 20200 20400 20600 20800 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Ca...

Page 44: ...5 38 41 39 81 57 5 16 1 25 24 23 33 28 31 44 29 10 14 47 76 77 13 11 12 54 3 4 8 9 6 45 52 50 55 58 69 60 I I 61 I I 2 43 51 48 49 80 51 78 79 74 Note The above exploded view is for the purpose of par...

Page 45: ...30 27 FLARE NUT 3 8 2 CWT251031 28 SOUND PROOF MATERIAL 1 CWG302246 29 SOUND PROOR MATERIAL 1 CWG302520 30 SOUND PROOR MATERIAL 1 CWG302521 31 SOUND PROOR MATERIAL 1 CWG302522 32 SENSOR COMPLETE CN DI...

Page 46: ...CXF60 02480 74 ACCESSORY CO DRAIN ELBOW 1 CWG87C900 76 NUT TERMINAL COVER 1 CWH7080300J 77 TERMINAL COVER 1 CWH171035 78 TUBE ASSY LIQUID 1 1 CWT026284 79 TUBE ASSY LIQUID 2 1 CWT026285 80 MANIFOLD TU...

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