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Panasonic CS-KE12NB41, Техническое и сервисное руководство

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Table of Contents

    SAFETY PRECAUTIONS

TABLE OF CONTENTS

1.   OPERATING RANGE

2.   SPECIFICATIONS

2-1. Unit 

Specifications 

2-2. 

Major Component Specifications 

2-3. 

Other Component Specifications 

3.   DIMENSIONAL DATA

4.   REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant 

Flow 

Diagram

5.   PERFORMANCE DATA

5-1. Temperature 

Charts

5-2. Cooling 

Capacity

5-3. 

Cooling Capacity (Low Ambient)

5-4. Heating 

Capacity

6.   ELECTRICAL DATA

6-1.   Electrical Characteristics
6-2.   Electric Wiring Diagrams

7.   MAINTENANCE

7-1. 

Address Setting of the Remote Control Unit

7-2. 

Disconnecting and Connecting Positive Connector for Outdoor Unit

7-3. Disassembly 

Procedure

8.   FUNCTIONS

8-1. Operation 

Functions

8-2. Protective 

Functions

9.  TROUBLESHOOTING (BEFORE CALLING FOR SERVICE)

9-1. 

Precautions before Performing Inspection or Repair

9-2. 

Method of Self-Diagnostics

9-3. 

Checking the Indoor and Outdoor Units

9-4. 

Trouble Diagnosis of Fan Motor

9-5. 

Noise Malfunction and Electromagnetic Interference

2

4

6

7

13
17

18

21

23
27
29
31

33
35

38
39
40

47
49

51
51
53
57
59

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Содержание CS-KE12NB41

Страница 1: ... 852 361 17 1 852 361 20 Outdoor Unit CS KE12NB41 Body CZ 18BT1U Panel CS KE18NB4UW Body CZ 18BT1U Panel Remote Controller Wired Remote Controller Option CU KE12NK1 CU KE18NKU REFERENCE NO SM700880 Indoor Model No Body Panel Product Code No Body Panel 1 852 361 05 1 852 361 15 1 852 361 07 1 852 361 15 Body Panel CS KE12NB41 CZ 18BT1U CS KE18NB4UW CZ 18BT1U CU KE12NK1 CU KE18NKU ...

Страница 2: ...ection perform the repair work after sufficiently discharging it Insufficient capacitor discharge may cause an electric shock Do not perform repair work on the electric sections with wet hands Doing so may cause an electric shock Do not start or stop the air conditioner by means of connecting or disconnecting the power plug Doing so may cause an electric shock or fire When conducting repair work o...

Страница 3: ...on Caution Do not wash the air conditioner with water as this may cause an electric shock or fire For the repair work in places with high humidity or moisture make sure to ground the unit Failure to do so may cause an electric shock Confirm that the component attachment position wiring condition soldering condition and connector connection are normal If not it may cause overheating or fire Confirm...

Страница 4: ...rical Characteristics 6 2 Electric Wiring Diagrams 7 MAINTENANCE 7 1 Address Setting of the Remote Control Unit 7 2 Disconnecting and Connecting Positive Connector for Outdoor Unit 7 3 Disassembly Procedure 8 FUNCTIONS 8 1 Operation Functions 8 2 Protective Functions 9 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 9 1 Precautions before Performing Inspection or Repair 9 2 Method of Self Diagnostics 9...

Страница 5: ...lation Procedures 11 5 In Case of Compressor Malfunction 11 6 In Case Refrigerant is Leaking 11 7 Charging Additional Refrigerant 11 8 Retro Fitting Existing Systems APPENDIX A Operating Instructions CS KE12NB41 CZ 18BT1U CU KE12NK1 CS KE18NB4UW CZ 18BT1U CU KE18NKU APPENDIX B INSTALLATION INSTRUCTIONS CS KE12NB41 CZ 18BT1U CU KE12NK1 CS KE18NB4UW CZ 18BT1U CU KE18NKU APPENDIX C Operating Instruct...

Страница 6: ... F WB 67 F DB 57 F WB 80 F DB 67 F WB DB WB 1 OPERATING RANGE Maximum Minimum Maximum Minimum 115 F DB 0 F DB 75 F DB 65 F WB DB 0 F WB Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Heating 6 ...

Страница 7: ...pment Flare Type 25 7 5 34 32 31 47 35 34 32 49 R410A 2 43 1 100 Electric Expansion Valve Washable Anti Mold DC Rotary Inverter Auto Timer Indoor Outdoor Fan Speeds 24 Hour ON or OFF Timer 1 Hour OFF Timer Auto and 3 steps Auto Hi Me Lo Airflow Direction Indoor Horizontal Controls Temperature Control Control Unit Microprocessor I C Thermister Wireless Remote Control Unit Features Compressor Locked...

Страница 8: ...CZ 18BT1U Indoor Unit CS KE12NB41 CZ 18BT1U inch mm 313 12 5 16 625 24 19 32 625 24 19 32 18 7 41 3 11 5 32 283 inch mm 22 5 8 575 inch mm Package Dimensions Height Width Depth 28 1 8 714 inch mm 11 13 32 290 inch mm 24 13 16 630 41 9 19 4 59 0 13 24 19 32 625 6 0 2 7 1 9 16 40 24 19 32 625 26 11 16 678 4 1 8 105 26 3 16 665 7 7 3 5 1 65 0 04 Shipping Volume Net Shipping Weight Ib kg Ib kg cu ft m...

Страница 9: ...7 5 44 40 36 51 44 40 36 52 R410A 2 87 1 300 Electric Expansion Valve Washable Anti Mold DC Twin Rotary Inverter Auto Timer Indoor Outdoor Fan Speeds 24 Hour ON or OFF Timer 1 Hour OFF Timer Auto and 3 steps Auto Hi Me Lo Airflow Direction Indoor Horizontal Controls Temperature Control Control Unit Microprocessor I C Thermister Wireless Remote Control Unit Features Compressor Locked Rotor Amperes ...

Страница 10: ...nit Dimensions Height Width Depth Outdoor Unit CU KE18NKU inch mm 670 26 3 8 880 34 21 32 285 11 7 32 733 28 27 32 1 012 39 27 32 379 14 29 32 44 0 97 0 48 0 105 8 0 28 9 88 inch mm inch mm Package Dimensions Height Width Depth inch mm inch mm 230V 313 12 5 16 625 24 19 32 625 24 19 32 18 7 41 3 22 5 8 575 35 3 16 11 5 32 283 22 5 8 575 28 1 8 714 11 13 32 290 24 13 16 630 41 9 19 4 59 0 13 24 19 ...

Страница 11: ... 5 44 40 36 51 44 40 36 52 R410A 2 87 1 300 Electric Expansion Valve Washable Anti Mold DC Twin Rotary Inverter Auto Timer Indoor Outdoor Fan Speeds 24 Hour ON or OFF Timer 1 Hour OFF Timer Auto and 3 steps Auto Hi Me Lo Airflow Direction Indoor Horizontal Controls Temperature Control Control Unit Microprocessor I C Thermister Wireless Remote Control Unit Features Compressor Locked Rotor Amperes B...

Страница 12: ...nit Dimensions Height Width Depth Outdoor Unit CU KE18NKU inch mm 670 26 3 8 880 34 21 32 285 11 7 32 1 012 39 27 32 44 0 97 0 48 0 105 8 0 28 9 88 inch mm inch mm Package Dimensions Height Width Depth inch mm inch mm 208V 313 12 5 16 625 24 19 32 625 24 19 32 18 7 41 3 22 5 8 575 35 3 16 11 5 32 283 22 5 8 575 28 1 8 714 11 13 32 290 24 13 16 630 41 9 19 4 59 0 13 24 19 32 625 6 0 2 7 1 9 16 40 2...

Страница 13: ...Safty Device Open Type F C Aluminum Plate Fin Copper Tube 2 18 1 2 94 0 273 Face Area Coil Rows Fins per inch Heat Exchanger Coil ft2 m2 DATA SUBJECT TO CHANGE WITHOUT NOTICE Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB CS KE12NB4U 1 D12 5 8 L5 3 4 D322 L147 Turbo DC Motor SIC 62FW D866 2 1 8 DC160V 23W 470 520 Internal Controller Yes Fan Q ty Dia and Length Type...

Страница 14: ...0V 3A CB CS KE18NB4U 1 D12 5 8 L5 3 4 D322 L147 Turbo DC Motor SIC 62FV D866 2 1 8 650 720 Thermal Fuse Fan Q ty Dia and Length Type inch mm Fan Motor Coil Resistance Rough Measure RPM Cool Heat Type Model Q ty No of Poles Safety Device Type Ambient Temp 68 F 20 C Run Capacitor Micro F VAC Ohm PLD 12230ST 1 1 AC208 to 240V 60Hz 10 8 333 10 Coil Resistance Model Q ty Rating Voltage Hz Input Drain P...

Страница 15: ...pressor Model Nominal Output Compressor Coil Resistance Ambient Temp 68 F 20 C Ohm DC Rotary Hermetic G4C090LU1ER 900W U V V W W U 0 81 0 81 0 81 CT Peak current cut off control Compressor Discharge Temp Control Operation cut off control in abnormal ambient Temp Safety Device Micro F VAC Run Capacitor Crankcase Heater Yes Yes Yes Overload Relay CS 7L115 Model Operation Temp Open 239 F 115 C Close ...

Страница 16: ...otor Type Compressor Model Nominal Output Compressor Coil Resistance Ambient Temp 68 F 20 C Ohm DC Twin Rotary Hermetic C 6RVN93H0M 1 050W R S S T T R 0 482 0 482 0 482 CT Peak current cut off control Compressor Discharge Temp Control Operation cut off control in abnormal ambient Temp Safety Device Micro F VAC Run Capacitor Crankcase Heater Yes Yes Yes Overload Relay CS 7L115 Model Operation Temp ...

Страница 17: ...ir temp sensor Model KTEC 35 S98 Indoor heat exchanger sensor Model PT2M 51H S3 Compressor temp sensor CU KE12NK1 Model DTN TKS274Y TH2 CU KE18NKU Model DTN TKS293B Resistance k ohm Resistance k ohm Temperature F C Outdoor air temp sensor CU KE12NK1 Model DTN TKS269B CU KE18NKU Model TKS295B Outdoor heat exchanger sensor CU KE12NK1 Model DTN TKS274Y TH1 CU KE18NKU Model TKS292B 40 35 30 25 20 15 1...

Страница 18: ...iew 8 1 3 16 21 32 3 1 8 The length of the suspension bolts should be selected so that there is a gap of 1 3 16 or the ceiling 21 32 or more below the lower surface of the main unit as shown in the figure at right If the suspension bolts is too long it will contact the ceiling panel and the unit cannot be installed A A Air intake Discharge outlet Refrigerant tubing liquid tube dia 1 4 flared Refri...

Страница 19: ...6 21 3 16 6 3 32 4 9 32 2 5 32 Narrow tube service valve dia 1 4 6 35 Wide tube service valve dia 3 8 9 52 3 19 32 15 32 10 7 16 265 11 13 32 12 7 16 Outdoor Unit CU KE12NK1 Unit inch mm 852 0 0010 12700 0 28 11 32 720 2 1 8 21 9 16 548 5 8 19 ...

Страница 20: ...valve dia 1 2 12 70 4 3 8 2 5 32 6 17 32 5 23 32 3 32 26 3 8 670 23 32 1 13 16 34 21 32 880 23 15 16 5 11 32 15 32 11 7 32 285 12 7 32 13 5 32 11 17 32 I D 2 3 3 2 4 I D 1 5 1 6 1 3 8 2 17 32 2 13 32 Outdoor Unit CU KE18NKU Unit inch mm 852 0 0010 13200 0 20 ...

Страница 21: ...pillary tube for split flow Cooling cycle Defrosting cycle Heating cycle Indoor unit Outdoor unit Electric expansion valve Strainer Strainer M Muffler O D 3 8 9 52 mm O D 1 4 6 35 mm 4 way valve High pressure switch H P 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram Indoor Unit CS KE12NB41 CZ 18BT1U Outdoor Unit CU KE12NK1 21 ...

Страница 22: ...ervice valve Narrow tube Heat exchanger Muffler Capillary tube for split flow Cooling cycle Defrosting cycle Heating cycle Indoor unit Outdoor unit Electric expansion valve Strainer M O D 1 2 12 7mm O D 1 4 6 35 mm H P Indoor Unit CS KE18NB4UW CZ 18BT1U Outdoor Unit CU KE18NKU Heat exchanger Strainer 22 ...

Страница 23: ... wide tube service valve psig MPaG Operating current A 73 0 5 102 0 7 131 0 9 Outdoor inlet air DB temp F C Outdoor inlet air DB temp F C Indoor discharge air temperature F C 77 25 86 30 95 35 104 40 Hi Fan Lo Fan 10 11 12 13 14 15 77 25 86 30 95 35 104 40 Outdoor inlet air DB temp F C Hi Fan Lo Fan 32 0 41 5 50 10 59 15 68 20 77 25 86 30 95 35 104 40 Indoor Air Temp 86 F 30 C 80 F 27 C 75 F 24 C ...

Страница 24: ...tdoor Unit CU KE12NK1 Heating Characteristics RH 85 Indoor fan speed High fan 60Hz 115V Check each performance value in test run mode Electrical performance values represent a combined indoor outdoor value Overload prevention operates to protect the air conditioner when outdoor ambient temperature becomes extremely high in heating mode Refer to 8 2 Protective Functions Overload prevention during h...

Страница 25: ... valve psig MPaG Operating current A 73 0 5 102 0 7 131 0 9 Outdoor inlet air DB temp F C Outdoor inlet air DB temp F C Indoor discharge air temperature F C 77 25 86 30 95 35 104 40 Hi Fan Lo Fan 5 6 7 8 9 10 77 25 86 30 95 35 104 40 Outdoor inlet air DB temp F C Hi Fan Lo Fan 32 0 41 5 50 10 59 15 68 20 77 25 86 30 95 35 104 40 Indoor Air Temp 86 F 30 C 80 F 27 C 75 F 24 C Indoor Air Temp 86 F 30...

Страница 26: ...2 7 6 10 290 2 0 218 1 5 363 2 5 435 3 0 508 3 5 23 5 32 0 41 5 50 10 59 15 68 20 77 25 23 5 32 0 41 5 50 10 59 15 68 20 77 25 131 55 122 50 113 45 104 40 95 35 86 30 77 25 68 20 Outdoor inlet air DB temp F C Outdoor inlet air DB temp F C Indoor discharge air temperature F C 23 5 32 0 41 5 50 10 59 15 68 20 77 25 Outdoor inlet air DB temp F C Heating Characteristics RH 85 Indoor fan speed High fan...

Страница 27: ...30 9 210 7 830 TC 12 230 12 030 11 790 11 580 10 580 7 950 CI 0 80 0 94 1 08 1 18 1 25 1 07 72 22 2 SHC 7 070 6 930 6 840 6 700 6 200 4 970 63 76 24 4 SHC 7 940 7 800 7 710 7 570 7 070 5 840 17 2 80 26 7 SHC 8 850 8 720 8 580 8 490 7 980 6 750 84 28 9 SHC 9 720 9 590 9 450 9 360 8 850 7 620 88 31 1 SHC 10 590 10 450 10 360 10 230 9 720 7 950 TC 12 460 12 290 12 070 11 900 10 700 8 040 CI 0 82 0 96...

Страница 28: ... 400 17 000 14 080 9 650 CI 1 17 1 37 1 57 1 75 1 67 1 30 72 22 2 SHC 10 400 10 200 10 000 9 800 8 340 6 290 63 76 24 4 SHC 11 590 11 390 11 190 11 000 9 540 7 480 17 2 80 26 7 SHC 12 850 12 650 12 450 12 260 10 800 8 740 84 28 9 SHC 14 040 13 850 13 650 13 450 11 990 9 650 88 31 1 SHC 15 240 15 110 14 840 14 640 13 180 9 650 TC 18 510 18 220 17 860 17 500 14 220 9 750 CI 1 19 1 40 1 60 1 79 1 67 ...

Страница 29: ...C 5 650 5 650 5 700 8 580 5 740 5 740 5 790 63 76 24 4 SHC 6 520 6 520 6 570 9 450 6 610 6 610 6 660 17 2 80 26 7 SHC 7 440 7 440 7 480 9 590 7 530 7 530 7 530 84 28 9 SHC 8 300 8 300 8 350 9 590 8 400 8 400 8 400 88 31 1 SHC 9 170 9 170 9 220 9 590 9 270 9 270 9 270 TC 9 250 9 290 9 410 9 530 9 620 9 670 9 720 CI 0 61 0 63 0 57 0 54 0 52 0 56 0 59 72 22 2 SHC 4 370 4 370 4 420 8 580 4 510 4 560 4...

Страница 30: ... 080 8 080 8 140 63 76 24 4 SHC 9 140 9 140 9 210 13 050 9 270 9 270 9 340 17 2 80 26 7 SHC 10 400 10 400 10 400 13 480 10 530 10 530 10 600 84 28 9 SHC 11 590 11 590 11 590 13 480 11 720 11 720 11 790 88 31 1 SHC 12 790 12 790 12 850 13 480 12 920 12 980 12 980 TC 12 980 13 040 13 170 13 380 13 530 13 670 13 760 CI 0 89 0 92 0 93 0 78 0 75 0 72 0 75 72 22 2 SHC 6 090 6 160 6 220 11 860 6 360 6 42...

Страница 31: ...00 3 16 1 TH 7 760 7 790 7 810 7 830 7 840 CI 0 86 0 90 0 94 0 98 1 02 8 13 3 TH 8 350 8 380 8 410 8 420 8 440 CI 0 89 0 94 0 98 1 03 1 07 13 10 6 TH 8 980 9 000 9 030 9 050 9 060 CI 0 93 0 98 1 03 1 08 1 12 18 7 8 TH 9 660 9 690 9 720 9 730 9 750 CI 0 98 1 03 1 08 1 13 1 18 23 5 0 TH 10 390 10 420 10 440 10 460 10 470 CI 1 03 1 08 1 14 1 19 1 25 28 2 2 TH 11 150 11 180 11 200 11 210 11 220 CI 1 0...

Страница 32: ...0 11 770 11 820 11 850 11 890 CI 1 37 1 44 1 50 1 56 1 62 8 13 3 TH 12 600 12 650 12 700 12 750 12 780 CI 1 43 1 50 1 57 1 64 1 71 13 10 6 TH 13 520 13 580 13 630 13 670 13 710 CI 1 50 1 57 1 65 1 72 1 80 18 7 8 TH 14 540 14 600 14 650 14 700 14 730 CI 1 57 1 65 1 74 1 82 1 90 23 5 0 TH 15 610 15 670 15 730 15 770 15 810 CI 1 65 1 74 1 83 1 92 2 00 28 2 2 TH 16 730 16 800 16 850 16 890 16 770 CI 1...

Страница 33: ...er input W 18 12 39 1 242 Heating Cooling 12 6 1 260 Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 115V Single phase 60Hz Rating conditions Running amp A 0 25 Power input W 20 14 35 1 440 14 6 1 460 Rating conditions Indoor air temperature 80 F 26 7 C DB 67 F 19 4 C WB Outdoor air temperature 95 F 35 C DB Rating conditions Indoor air temperature 70 F 21 1 C D...

Страница 34: ...ingle phase 60Hz Rating conditions Running amp 0 19 Power input 27 10 31 2 313 10 5 2 340 Indoor Unit Outdoor Unit Fan Motor Fan Motor Compressor Performance at 208V Single phase 60Hz Rating conditions Running amp 0 16 Power input 22 8 94 1 838 Heating Cooling 230V 208V 2 Voltage 208V 1 Voltage 230V 9 1 1 860 Indoor Unit Outdoor Unit Fan Motor Fan Motor Compressor Performance at 208V Single phase ...

Страница 35: ...ONTROLLER TO OUTDOOR UNIT GND FERRITE CORE AC1 AC2 SI 1 RED YEL BLU 1 1 YEL RED 3 3 1 1 2 1 1 2 2 1 1 2 2 2 3 3 4 4 5 5 6 6 7 7 1 1 2 2 3 3 4 4 5 5 6 6 7 7 1 1 2 2 3 3 4 4 5 5 1 1 2 2 3 3 4 4 5 5 6 6 7 7 1 1 2 2 3 3 4 4 1 1 2 2 1 1 3 3 3 3 4 4 5 5 1 1 2 2 1 1 2 2 1 1 2 2 3 3 4 4 5 5 1 1 2 2 3 3 4 4 5 5 6 6 6 6 7 7 8 8 9 9 10 10 YEL RED BRN RED ORG YEL PNK BLU VLT 2 3 RED BLK BLK WHT WHT GRN YEL RE...

Страница 36: ...8FA2 5251 12200 2 Outdoor Unit CU KE12NK1 36 ...

Страница 37: ...ERMISTOR MV0 MAGNETIC COIL w w ELEC SYSTEM ASSY 1 2 3 4 5 6 REACTANCE WHT 2P CONNECTOR WHT 2P CONNECTOR WHT WHT WHT WHT RED RED PINK RED PINK WHT WHT WHT WHT WHT WHT BLU BLU U V W BLK BLK BLK BLK YEL YEL ORG GRY YEL WHT RED COMP A TH COIL OUTDOOR 7P CONNECTOR WHT 2P CONNECTOR RED 2P CONNECTOR BLK WHT WHT BLK BLK BLK BLK BLK 1 4 5 6 POWER RELAY GND GND TO INDOOR UNIT POWER SUPPLY S R T CM N L HIGH ...

Страница 38: ... Fig 2 3 Press and hold the remote controller HIGH POWER button and 1 HR TIMER button Then press and hold the ACL reset button with a pointed object such as the tip of a pen After 5 seconds release ACL button first then release HIGH POWER and 1 HR TIMER buttons oP 1 test run appears blinking in the remote controller clock display area 4 Each time the 1 HR TIMER button is pressed the display change...

Страница 39: ...lways hold the cover to disconnect See illustration at left For the connector without the resin cover push the lock in the direction of 2 while pulling it off How to Connect In order to connect hold the resin cover of the connector and push it in Confirm the click sound for the inside lock Pull the cover upward When the cover is pulled upward the lock is released with the sequence of 1 and 2 7 2 D...

Страница 40: ...nectors in the control box 1 Remove the 2 screws and remove the control box cover Fig 4 2 Disconnect the connectors CN04 FLAP 5P CN12 RC 4P and CN13 IND 7P Fig 5 Latch Latch Hook Hinge Air intake grill Screw Control box cover CN13 CN04 CN12 Fig 1 Fig 4 Fig 5 Fig 2 Fig 3 Hinge Control PCboard To avoid electrical shock hazard be sure to disconnect power before attempting to disassemble the unit When...

Страница 41: ...r and remove the cover with the section 2 pulled down Fig 7 4 Remove the strap 3 locations from the hook on the ceiling panel Fig 8 There is no strap on the indicator cover 5 Remove the bolt 4 locations with a washer and remove the ceiling panel Fig 9 Screw Bolt Bolt Screw Indicator cover Corner cover Corner cover Corner cover Clamp Clamp Pull down section 2 Lead wire Cover Center 1 Fig 6 Fig 7 Fi...

Страница 42: ...d control box 1 Remove a screw and remove the terminal cover Fig 11 2 Remove the 2 screws and remove the power box cover Fig 11 3 Disconnect the power lines No 1 and No 2 signal line No 3 and ground cable from the terminals in the power box Fig 12 Indoor air temperature sensor CN08 Terminal Fig 10 Fig 11 Fig 12 Ground cable Terminal cover Screw Screw Power box cover Power lines Signal line 42 ...

Страница 43: ... connector CN03 DCM 6P in the power box Fig 14 6 Remove the 4 screws and remove the power box Fig 14 7 Disconnect the connectors CN06 FS 3P and CN09 COIL 1 2P in the control box Fig 15 8 Remove the 2 screws and remove the control box Fig 15 Fig 13 Fig 14 Fig 15 Screw Screw Screw Screw Screw CN06 CN03 Screw Screw Ground cable CN07 CN09 43 ...

Страница 44: ...e the drain cap to drain the water Fig 16 2 Refer to the installation instructions for recovery of refrigerant or removal of the power cable or tubing 7 3 6 Remove the main body lower section 1 Remove the 4 screws Fig 16 2 Remove the 2 screws Fig 17 3 Disconnect the connector CN03 DCM 6P in the power box Fig 18 4 Lift the main body lower section and remove it from the main body upper section Screw...

Страница 45: ... float switch 1 Remove the 2 screws Fig 20 2 Loosen the clamp and disconnect the drain hose from the drain pump Fig 20 3 Remove the drain pump from the main body upper section Fig 20 4 Remove a nut and remove the float switch Fig 21 Heat exchanger sensor Fig 20 Fig 21 Fig 19 Holder Drain pump Screw Clamp Float switch Nut Drain hose 45 ...

Страница 46: ...ove the fan motor Fig 23 7 3 10 Remove the heat exchanger 1 Remove the 3 screws Fig 24 2 Remove the 3 screws Fig 25 3 Remove the heat exchanger from the main body upper section with the heat exchanger lifted Fig 22 Fig 23 Fig 24 Fig 25 Turbo fan Nut Screw Nut Fan motor Screw Screw Heat exchanger Screw Main body upper section 46 ...

Страница 47: ...en the remote controller malfunctions has been lost or otherwise cannot be used The set temperature is 4 F 2 C below the detected room temperature in the case of cooling operation and 4 F 2 C above the room temperature in the case of heating operation The flap and fan speed settings are AUTO GREEN RED Lamp Off COOL HEAT STOP When AUTO mode is selected the microprocessor calculates the difference b...

Страница 48: ...n the remote controller The main unit display lamp also becomes dimmer COOL and DRY modes When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F 1 C when 30 minutes have passed after the selection was made and then another 2 F 1 C after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enab...

Страница 49: ... drops to below 36 F 2 C continuously for 2 minutes or longer the compressor stops Once the freeze condition is detected the air conditioner will work less than the maximum frequency until it is turned off Approx 127 53 At stability of operation At start of operation A High LL Stopped A B C B Indoor heat exchanger A Control start B Control end Set fan speed 77 25 86 30 Approx 104 40 a b c d a b c ...

Страница 50: ...verse cycle defrosting operation Defrosting Sequence Releasing of defrosting Outdoor fan ON 4 way valve ON Outdoor heating exchanger temp is over 68 F 20 C Defrosting operation lasts 12 minutes maximum 2 minutes after it is stopped compressor is ON 4 way valve is ON Outdoor fan is ON If the air conditioner is turned off during the defrosting cycle it will continue defrosting and turn itself off af...

Страница 51: ...ontroller HIGH POWER button and 1 HR TIMER button Then press and hold the ACL reset button with a pointed object such as the tip of a pen After 5 seconds release ACL button first then release HIGH POWER and 1 HR TIMER buttons oP 1 test run appears blinking in the remote controller clock display area Step 2 Next press the 1 HR TIMER button once to change the display from oP 1 to oP 3 self diagnosti...

Страница 52: ...T LOCATION 3 I D PCB FAILURE I D INDOOR 1 OPEN OR SHORT CIRCUIT IN SENSOR 2 POOR CONTACT AT CONNECTOR OR OPEN CIRCUIT AT TERMINAL PRESS FIT LOCATION 3 O D PCB FAILURE O D OUTDOOR O D PCB FAILURE 1 MIS WIRING 2 AC POWER FAILURE 3 BLOWN FUSE 4 POWER RELAY FAILURE 5 I D OR O D PCB FAILURE 6 O D FAN MOTOR FAILURE 7 REACTOR FAILURE 8 HIGH PRESSURE SW FAILURE 9 OLR FAILURE 10 MAGNETIC COIL FAILURE 1 HIC...

Страница 53: ... current mode is TEST run If there are no problems with the above then check the outdoor unit 1 The rated voltage must be present between inter unit wirings 1 and 2 Connect a 5 k ohm resistor between inter unit wirings 2 and 3 When the voltage at both ends is measured approximately 12 to 15V DC must be output and the multimeter pointer must bounce once every 8 seconds Or instead of measuring the v...

Страница 54: ...age B For terminal strip short circuit work or inter unit wiring removal turn off the power to avoid an electric shock Release the terminal strip short circuit after the completion of self diagnostics Do not perform the short circuit work between any other terminals except for specified ones on the specified terminal strip If such work is performed between the incorrect terminals the unit might be...

Страница 55: ...he operation button on the indoor unit 2 Perform the self diagnosis five seconds after the operation start 1 Turn off the power and wait until the power lamp LED of the outdoor unit controller is turned OFF 2 Remove the short circuit between the terminals 2 and 3 on the outdoor unit terminal strip 3 Disconnect the cable from the terminal 3 on the indoor unit terminal strip Fig 4 Short circuit betw...

Страница 56: ...ter the operation start 1 Turn off the power and wait until the power lamp LED of the outdoor unit controller is turned OFF 2 Disconnect the cable from the terminal 3 on the Outdoor unit terminal strip Fig 6 Defect in the inter unit cable 1 Turn ON the power and operate the system using the remote controller or the operation button on the indoor unit 2 Perform the self diagnosis five seconds after...

Страница 57: ... 1 The fan does not stop when the unit stops Indoor unit controller trouble Trouble symptom 2 The fan motor does not rotate when the unit is operating Diagnostic procedure Disconnect the motor connectors and measure the voltage at the DC motor connectors on the indoor unit controller 3 locations Diagnostic results All of the above measured values are normal Fan motor trouble Replace the motor Any ...

Страница 58: ...uickly stops when the outdoor unit operates There is trouble in the system that provides feedback of motor rotation speed from the motor to the outdoor unit controller Trouble symptom 4 Fan motor rotation speed does not change during outdoor unit operation Trouble symptom 5 Fan motor rotation speed varies excessively during outdoor unit operation Remedy for symptom 3 to 5 It is not possible to ide...

Страница 59: ...distance from the noise source 1 Use shielded wires 2 Move unit away from the noise source Trouble Either of the following trouble may occur 1 The unit may stop suddenly during operation 2 Indicator lamps may flicker 2 Electromagnetic interference This refers to noise generated by high speed switching of the microcomputer and compressor This noise radiates through space and returns to the electric...

Страница 60: ...g 1 10 1 2 Indoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw on the terminal plate Fig 2 Note that the ground line terminal should be skipped for the check 10 1 3 Outdoor Unit Clamp a metallic part of the unit with the lead clip of the insulation resistance tester and me...

Страница 61: ... Fig 6 Fuse 10 2 Checking Continuity of Fuse on PCB Ass y Remove the PCB Ass y from the electrical component box Then pull out the fuse from the PCB Ass y Fig 5 Check for continuity using a multimeter as shown in Fig 6 61 ...

Страница 62: ...use of a change in composition of the remaining refrigerant Therefore do not add new refrigerant Instead recover the remaining refrigerant with the refrigerant recovery unit Then after evacuation totally recharge the specified amount of refrigerant with the new refrigerant at its normal mixed composition state in liquid phase When refrigerant R410A is used the composition will differ depending on ...

Страница 63: ...n R410A refrigerant is exposed to fire Therefore be sure to provide ample ventilation during installation work Caution in case of R410A leak Check for possible leak points with the special leak detector for R410A If a leak occurs inside the room immediately provide thorough ventilation A D Flare tool for R410A A D Conventional flare tool R22 Spacer 11 2 Checklist before Servicing Use a clutch type...

Страница 64: ...s which can be com monly used for R22 R407C and R410A CAUTION The above tools specifically for R410A must not be used for R22 and R407C Doing so will cause malfunction of the unit For the above vacuum pump 1 2 and vacuum pump adapter 3 those for R22 type units can be used for R410A type However they must be used exclusively for R410A and never alternately with R22 and R407C For details on tubing i...

Страница 65: ...it quickly 3 Checking for sealing Use nitrogen gas for the pressurized gas and never use a refrigerant other than R410A Also do not use oxygen or any flammable gas 4 Evacuation Use a solenoid valve installed vacuum pump so that even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back The equipment may be damaged i...

Страница 66: ...use an electronic scale for charging refrigerant In this case if the volume of refrigerant in the cylinder becomes less than 20 of the fully charged amount the composition of the refrigerant starts to change Thus do not use the refrigerant if the amount in the charging cylinder is less than 20 Also charge the minimum necessary amount to the charging cylinder before using it to charge the air condi...

Страница 67: ...lux and wax for R410A Prevent oxide film from forming inside the tubes utilizing substitution with nitrogen N2 in the refrigerant circuit of the unit Leave ends of tubes open during welding 4 Checking for sealing Use nitrogen gas for the pressurized gas and never use a refrigerant other than R410A Also do not use oxygen or any flammable gas 5 Evacuation Use a solenoid valve installed vacuum pump s...

Страница 68: ... R410A for existing units which use R22 This will cause the air conditioner to operate improperly and may result in a hazardous condition 11 8 2 Use of Existing Tubing If replacing an older unit that used refrigerant R22 with a R410A unit do not use its existing tubing Instead completely new tubing must be used CAUTION Never charge additional refrigerant if refrigerant is leaking from the unit Fol...

Страница 69: ......

Страница 70: ...Operating Instructions CS KE12NB41 CZ 18BT1U CU KE12NK1 CS KE18NB4UW CZ 18BT1U CU KE18NKU 852 6 4181 213 00 2 APPENDIX A A 1 ...

Страница 71: ...55 This air conditioner uses the refrigerant R410A Ceiling Panel CZ 18BT1U Multiple use is applied for the model CS KE18NB4UW only Single use means that only one indoor unit is connected with one outdoor unit in a one unit to one unit configuration and that the remote controller s S M switch is at the S Single position Multiple use i e Flexi Multi system means that two or more indoor units are con...

Страница 72: ...n Hot Start Heating System Right from the start the air is warm and comfortable This system prevents any cold blasts at the beginning while the heat pump is warming up or even defrosting Automatic Restart Function for Power Failure Even when power failure occurs preset programmed operation can be reactivated once power resumes High Power Operation If not in Auto Operation the unit operates at maxi...

Страница 73: ... outdoor units by users Engage authorized dealer or specialist for cleaning In case of malfunction of this appliance do not repair by yourself Contact to the sales dealer or service dealer for a repair Refrigerant gas leakage may cause fire For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning Pull off the power plug from a receptacle or switch off the...

Страница 74: ... the room condenses and drains off through this hose Outdoor Condensing Unit The outdoor unit contains the compressor fan motor heat exchanger coil and other electrical components INDOOR UNIT Air Intakes Remote Controller Refrigerant Tubes Drain Hose OUTDOOR UNIT Air Outlet Air Outlet 4 locations NOTE REMOTE CONTROL receiver This section picks up infrared signals from the remote controller transmi...

Страница 75: ...FF program Timer ON Timer OFF Timer 1 hour OFF Timer 5 NIGHT SETBACK 6 Confirmation of transmission 7 Auto flap indication Flap angle indication Sweep indication 8 High power operation Displayed when setting timer Displayed when transmitting data Displayed when indoor unit sensor is in use Displayed when setting temperature Displayed when temperature is shown Displayed when the time display is set...

Страница 76: ...R button When you press this button use a small tipped object such as a ballpoint pen the mark will appear at the display And the room temperature is detected by the sensor which is built into the indoor unit and the air conditioner is controlled accordingly If the remote controller is located near a heat source such as a space heater or in direct sunlight press the SENSOR button to switch to the ...

Страница 77: ...midity in the room COOL The air conditioner makes the room cooler FAN The air conditioner works only as a circulation fan except at M of the S M switch NIGHT SETBACK button For details see 5 Night Setback Mode When you press this button in the HEAT DRY or COOL mode the mark appears in the display and the remote controller will automatically adjust the set temperature to save energy Time display se...

Страница 78: ...d make a beeping sound to indicate that it has received the signal To take out the remote controller pull it forward WHEN HOLDING THE REMOTE CONTROLLER When using the remote controller and during air conditioner operation the transmitter on the remote controller should be pointed towards the receiver on the indoor unit Make sure that there are no objects between the remote controller and receiver ...

Страница 79: ...nge the setting to the desired temperature STEP 2 STEP 1 NOTE NOTE Check that the circuit breaker on the power panel is turned on If the automatic operation settings of the unit do not meet your needs press the setting buttons as described below and change the settings as desired STEP 1 Press the MODE selector button and select the desired mode For heating operation For dehumidifying operation For...

Страница 80: ...P 2 Press the ON OFF operation button STEP 3 Press the FAN SPEED selector button to select the fan speed of your choice or There is no FAN only function at M of the S M switch on the remote controller STEP 2 STEP 1 STEP 3 NOTE When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F when 30 minutes have passed after the selection was made and the...

Страница 81: ...es after the start of heating operation the indoor fan runs at a lower speed until the indoor heat exchanger coil has warmed up sufficiently However the fan may remain stopped when the room temperature is low This is because the COLD DRAFT PREVENTION SYSTEM is in operation Sometimes the indoor unit may not get to the set fan speed such as LOW under cool operation at very low outdoor temperatures d...

Страница 82: ...vided that the program is not canceled When the ON timer and OFF timer are set to the same time the timer operates as if it is turned off Operation Indication 1 Press the OFF TIME setting button once The timer indication is displayed and the present OFF time is shown 2 Press the Advance Return button until AM 11 00 is displayed The timer indication blinks The time can be set in 10 minute increment...

Страница 83: ... the room Do Always try to keep the air filter clean Refer to CARE AND CLEANING A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed ADJUSTING THE AIRFLOW DIRECTION The vertical airflow can be adjusted by moving the flap with the remote controller Do not move the flap with your hands Confirm that the remo...

Страница 84: ...r allow it to dry and then remount it Do not move the flap with your hands When using a footstool or the like be careful not to let it tip over Cleaning the main unit and Remote Controller Wipe clean using a soft dry cloth To remove stubborn dirt moisten a cloth in warm water no hotter than 104 F wring thoroughly and then wipe INDOOR UNIT OPERATION button OPERATION lamp Cooling operation green Hea...

Страница 85: ... the two air intake grille hinges 4 Clean the grille gently using a soft sponge or the like Then dry it with care Neutral detergent may be used to remove stubborn dirt Then rinse thoroughly with water and dry it Care After a prolonged idle period Check the indoor and outdoor unit air intakes and outlets for blockage if there is a blockage remove it Care Before a prolonged idle period Operate the f...

Страница 86: ...filter 1 Clean air filter to improve airflow 2 Heat source or many people in room 2 Eliminate heat source if possible 3 Doors and or windows are open 3 Shut them to keep the heat or cold out 4 Obstacle near air intake or air discharge port 4 Remove it to ensure good airflow 5 Thermostat is set too high for cooling or too low for heating 5 Set the temperature lower or higher 6 Outdoor temperature i...

Страница 87: ...5 0 11 5 32 22 5 8 22 5 8 283 575 575 35 3 16 0 Model No Outdoor Unit Indoor Unit CS KE18NB4UW CU KE18NKU 17 500 4 000 17 500 51 Single phase 208 230 V 60 Hz 5 15 1 20 5 15 6 00 1 30 6 00 20 400 4 400 20 400 52 26 3 8 34 21 32 11 7 32 670 880 285 44 40 36 44 40 36 Heating Capacity Operation Sound Unit Dimensions H W D Indoor unit Include panel Net Weight Power Source Cooling Capacity kW BTU h kW B...

Страница 88: ...t CU 4KE24NBU CU 3KE19NBU Single phase 208 230 V 60 Hz Heating Capacity Operation Sound Unit Dimensions H W D Net Weight Power Source Cooling Capacity kW BTU h kW BTU h inch mm lbs kg Cooling Operation Hi Heating Operation Hi dB A dB A 50 24 800 11 600 24 800 7 30 3 40 7 30 18 600 9 800 18 600 5 45 2 90 5 45 52 29 1 8 35 7 16 12 19 32 740 900 320 143 3 65 0 50 29 200 11 600 29 200 8 60 3 40 8 60 2...

Страница 89: ......

Страница 90: ...INSTALLATION INSTRUCTIONS CS KE12NB41 CZ 18BT1U CU KE12NK1 CS KE18NB4UW CZ 18BT1U CU KE18NKU 852 6 4190 577 00 2 APPENDIX B A 2 ...

Страница 91: ...ons 3 8 Recommended Wire Length and Diameter 3 9 Wiring Instructions for Inter unit Connections 4 HOW TO INSTALL THE OUTDOOR UNIT 15 4 1 Wiring Instructions for the Outdoor Unit 5 REFRIGERANT TUBING 16 5 1 Use of the Flaring Method 5 2 Flaring Procedure with a Flare Tool 5 3 Caution before Connecting Tubes Tightly 5 4 Connecting Tubing between Indoor and Outdoor Units 5 5 Insulation of Refrigerant...

Страница 92: ... connection points and a possible fire hazard 7R SUHYHQW SRVVLEOH KD DUGV IURP LQVXODWLRQ IDLOXUH the unit must be grounded When Transporting Be careful when picking up and moving the indoor and out door units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin alu minum fins on the air conditioner can cut your fingers When Installing Select an ...

Страница 93: ...KHFN that no metal scraps or bits of wiring have been left inside the unit being serviced Others 9HQWLODWH DQ HQFORVHG DUHDV ZKHQ LQVWDOOLQJ RU WHVWLQJ the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas RQILUP XSRQ FRPSOHWLQJ LQVWDOODWLRQ WKDW QR UHIULJHUDQW gas is leaking If escaped gas comes in contact with a stove gas water heater ele...

Страница 94: ...e indoor and outdoor units and make sure all accessory parts listed are with the system before beginning 1 1 Tools Required for Installation not supplied 1 Standard screwdriver 2 Phillips head screwdriver 3 Knife or wire stripper 4 Tape measure 5 Carpenter s level 6 Sabre saw or key hole saw 7 Hacksaw 8 Core bits 9 Hammer 10 Drill 11 Tube cutter 12 Tube flaring tool 13 Torque wrench 14 Adjustable ...

Страница 95: ...ble 3 and Fig 2 install the indoor unit more than 3 3 1 m away from any antenna or power lines or connecting wires used for television radio telephone security system or intercom Electrical noise from any of these sources may affect operation Fig 1 3 3 ft 1m 1m 1m 3 3 ft 1m 3 3 ft 3 3 ft 3 3 ft 1m Fig 2 Tubing length L Elevation difference H Outdoor unit Indoor unit WARNING To prevent abnormal hea...

Страница 96: ...igs 5a and 5b Outdoor unit Hot air Heat source Exhaust fan NO Fig 3 Air intake Min 2 5 cm Air discharge Min 2 5 cm Min 8 20 cm Valve side Min 10 25 cm Min 7 2 m Min 7 2 m Ground Obstacle Obstacle above Air discharge Min 2 5 cm Air intake Air intake Concrete or equal About 4 10 cm Min 4 10 cm Anchor bolts 4 pcs About 1 4 40 cm Cushion rubber Fig 5a Drain holes CAUTION A solid base must not cover th...

Страница 97: ...ram The dia gram shows the relationship between the positions of the suspension fitting unit and panel Fig 6 2 3 3 Placing the Unit Inside the Ceiling 1 Be sure to remove the fan protection 4pcs for transportation before hanging up the indoor unit 2 When placing the unit inside the ceiling determine the pitch of the suspension bolts using the supplied full scale installation diagram Fig 6 3 Tubing...

Страница 98: ...e drain hose first place 1 of the 2 hose bands over the unit drain port and the other hose band over the hard PVC pipe not supplied Then connect both ends of the supplied drain hose Fig 6 5 3 On the unit drain side grasp the hose band with pliers and insert the drain hose all the way to the base If other commercially available hose bands are used the drain hose may become pinched or wrinkled and t...

Страница 99: ...t position 1 Check that the ceiling hole is 23 5 8 600 mm 23 5 8 600 mm Fig 6 11 2 Confirm that the position of the indoor unit and the ceiling as shown in the diagram If the positions of the ceiling sur face and unit do not match air leakage water leakage flap operation failure or other problems may occur Fig 6 11 The drain pump will continue to operate for a minimum of 6 min utes after the FS 3P...

Страница 100: ... the unit and the ceiling panel or between the ceiling panel and the ceiling surface If there is a gap between the panel and the ceiling leave the ceiling panel attached and make fine adjustments to the installation height of the unit to eliminate the gap with the ceiling CAUTION Fig 6 17 Fig 6 18 Fig 6 19 Corner cover Indicator cover Press Pull up 2 1 latch Temporary latches Temporary DRAIN mark ...

Страница 101: ...nal will not be received If the connectors are not connected the auto flap will not operate Be sure to connect them securely A Attaching the corner cover 1 Check that the safety strap from the corner cover is fas tened to the ceiling panel pin as shown in the figure Fig 6 23 2 Use the supplied screws to attach the corner cover to the ceiling panel B Attaching the air intake grille To install the a...

Страница 102: ... Table 4 lists recommended wire lengths and diameters for power supply systems Refer to the wiring system diagram Fig 7a or Fig 7b for the meaning of A B and C in Table 4 Refer to your local codes or in the absence of local codes see the National Electric Code ANSI NFPA70 NOTE 12 3 6 5 Checking After Installation Check that there are no gaps between the unit and the ceiling panel or between the ce...

Страница 103: ...may affect the operation To avoid the risk of electric shock each air con ditioner unit must be grounded For the installation of a grounding device please observe local electrical codes Grounding is necessary especially for units using inverter circuits in order to release charged electricity and electrical noise caused by high tension Otherwise electrical shock may occur Place a dedicated ground ...

Страница 104: ...fix it securely with the removed terminal screw using a screwdriver Loose wiring may cause the ter minal to overheat or result in unit malfunction A fire hazard may also exist Therefore be sure all wiring is tightly connected WARNING Fig 9 STRIP SIZE 9 32 7 mm ACTUAL SIZE Fig 8 Fig 10 Solid wire Loop Insulation Strip 15 16 25 mm 1 3 2 Earth screw Clamping strap Conduit Inter unit Power wiring Loca...

Страница 105: ... Outdoor Unit First refer to Section 2 Installation Site Selection 4 1 Wiring Instructions for the Outdoor Unit Regulations on wire size differ from locality to locality For field wiring requirements please refer to your local electrical codes Make sure that the installation fully complies with all local and national regulations 1 Remove access panel C Fig 14 2 Connect the inter unit and power sup...

Страница 106: ...are tool Figs 17 and 18 Use RIDGID or equivalent A good flare should have the following characteristics inside surface is glossy and smooth edge is smooth tapered sides are of uniform length 5 3 Caution before Connecting Tubes Tightly a Be sure to apply a sealing cap or water proof tape to prevent dust or water from getting into the tubes before they are used b Be sure to apply refrigerant lubrica...

Страница 107: ...good insula tion characteristics be easy to use be age resistant and must not easily absorb moisture After a tube has been insulat ed never try to bend it into a narrow curve because it can cause the tube to break or crack CAUTION Fig 23 Fig 24 Never grasp the drain or refrigerant connecting out lets when moving the unit Indoor unit Outdoor unit Spanner Torque wrench Insulation tape supplied Flare...

Страница 108: ...he tubing use sealing putty to seal off the hole in the wall to prevent rain and draft from entering Fig 26 NOTE 5 6 Taping the Tubes Fig 25 6 Air Purging Air and moisture remaining in the refrigerant system have undesirable effects as indicated below Therefore they must be purged completely pressure in the system rises operating current rises cooling or heating efficiency drops moisture in the ai...

Страница 109: ... stem on the narrow tube service valve counter clockwise by 90 degrees 1 4 turn for 10 seconds and then turn the stem clockwise to close it again Fig 28 7 Leak test all joints at the tubing both indoor and outdoors with soapy water Bubbles indicate a leak Tighten the joint more when leaks then check if there is no leak Be sure to wipe off the soap with a clean cloth 8 With the hex wrench turn the ...

Страница 110: ...V WKH V VWHP VKLIWV LQWR FRROLQJ operation and cool air will start to be felt Cooling mode test run is unaffected by the room tempera ture 3 Press the ON OFF operation button of the remote controller again to stop the test run Fig 29 4 Finally press the ACL Reset button of the remote controller to release it from Test Run mode to return to normal mode Fig 29 µ DQG R3 µ ZLOO GLVDSSHDU IURP WKH UHPR...

Страница 111: ... wide tube valve stem Then quickly stop the unit 5 Disconnect all gauges and hoses and replace the valve caps as they were before Basic Functions of the Service Valves The basic functions of the service valves are given in Table 7 below Action Narrow Tube Service Valve 2 Way Wide Tube Service Valve 3 Way CLOSED Fully OPEN Fully OPEN Shipping Operating and test running the air conditioner Measuring...

Страница 112: ...ioner operates from that location The indoor unit should make a beeping sound to indicate that it has received the signal Fig 36 To take out the remote controller pull it forward Service Valve Connections a Temporary connection Screw in 3 5 turns by hand Fig 34 b To fasten the flare nuts apply specified torque as Table 8 and Fig 35 Table 8 Fig 34 Fig 35 CAUTION Be sure to tighten the flare nut usi...

Страница 113: ...ress and hold the ACL Reset button with a pointed object such as the tip of a pen After 5 seconds release the ACL button first then release the HIGH POWER and 1HR TIMER but tons oP 1 Test Run appears blinking in the remote controller clock display area 4 Each time the 1HR TIMER button is pressed the display changes as shown below Press this but ton 2 times to change the display to oP 7 Address set...

Страница 114: ...Operating Instructions CZ RD515U 852 6 4181 230 00 1 APPENDIX C A 3 ...

Страница 115: ...264181230001 CV6233187877 This wired remote controller is designed for both the COOL DRY HEAT Model and COOL DRY Model indoor unit Once the wired remote controller is connected the wireless remote controller cannot be used Before operating the unit read these operating instructions thoroughly and keep them for future reference ...

Страница 116: ... Model Since the wired remote controller is designed to be commonly used for various air conditioners some of the functions of the wireless remote controller supplied with the indoor unit cannot be used Single use means that only one indoor unit is connected with one outdoor unit in a one unit to one unit configuration Multiple use i e Flexi Multi system means that two or more indoor units are con...

Страница 117: ...unction of this appliance do not repair by yourself Contact to the sales dealer or service dealer for a repair Refrigerant gas leakage may cause fire For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning Pull off the power plug from a receptacle or switch off the breaker or switch off the power disconnecting mean to isolate the air conditioner from the...

Страница 118: ...rature The temperature setting changes by 2 F each time one of the TEMP buttons is pressed NIGHT SETBACK button For details see 5 Night Setback Mode When you press this button in the HEAT DRY or COOL mode the mark appears in the display and the remote controller will automatically adjust the set temperature to save energy Timer and Present Time setting buttons First press the SET button to select ...

Страница 119: ...FAN The air conditioner works only as a circulation fan except for Multiple use of COOL DRY HEAT Model The indoor fan runs continuously when the system is in normal operation It does not turn off when the desired room temperature is reached If Night Set Back mode is selected the fan will turn off intermittently during cooling operation in order to control air flow NOTE SENSOR button When you press...

Страница 120: ... setting 60 86 F When set to 80 F temperature indication 4 Timer 24 hour clock with ON OFF program Timer ON Timer OFF Timer 1 hour OFF Timer 5 NIGHT SETBACK 6 Flap angle indication Sweep indication Displayed when indoor unit sensor is in use Displayed when operating NIGHT SETBACK mode Displayed when setting temperature Displayed when temperature is shown Displayed when setting timer Symbols ...

Страница 121: ...hange the settings as desired STEP 1 Press the MODE selector button and select the desired mode For heating operation For dehumidifying operation For cooling operation For fan only operation No Fan mode in Multiple use of COOL DRY HEAT Model o o o o STEP 2 To start the air conditioner press the ON OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the d...

Страница 122: ...perature control follow these steps STEP 1 Press the MODE selector button to switch to the fan mode STEP 2 Press the ON OFF operation button STEP 3 Press the FAN SPEED selector button to select the fan speed of your choice or There is no FAN only function in Multiple use of COOL DRY HEAT Model STEP 2 STEP 1 STEP 3 NOTE When the night setback mode is selected the air conditioner automatically raise...

Страница 123: ... the HH button until PM 9 is displayed Press the MM button until 10 is displayed The display will flash for 10 sec and automatically stop flashing except for the symbol Operation Indication 1 Press the SET button twice The timer indication alone flashes and the previous set time is only displayed 2 Press the HH button until PM 11 is displayed Press the MM button until 30 is displayed The display w...

Страница 124: ...ING THE AIRFLOW DIRECTION The vertical airflow can be adjusted by moving the flap with the remote controller Do not move the flap with your hands Confirm that the remote controller has been turned on Use the FLAP button to set either the sweep function or one of the six airflow direction settings The flap automatically closes when the unit is off During the heating operation the fan speed will be ...

Страница 125: ......

Страница 126: ...A 4 INSTALLATION INSTRUCTIONS CZ RD515U 852 6 4190 592 00 0 APPENDIX D ...

Страница 127: ...ool Dry Heat model at the time of shipment from the factory If the purchased air conditioner is a COOL DRY model follow the instructions on the label and change the switch on the reverse side of the remote controller unit to Cool Dry model Fig 1 The remote controller is also set to Single at the time of shipment from the factory For multiple use set the switch on the reverse side of the remote con...

Страница 128: ...5 tab locations and disconnect the back plate of the remote controller by lift ing up slightly Fig 2 b The tabs are thin take care not to chip them 2 Use tapping screws to directly fasten the remote con troller back plate onto the wall Fig 6 3 Insert the connector into the PCB of the remote controller unit and wrap the wire harness around the hook Fig 4 4 Use nippers or a similar tool to cut out t...

Страница 129: ...structions supplied with the indoor unit 5 Remove the terminal cover screws then remove the cover At this time take care not to drop the cover Fig 8 6 Pull in the wire harness from the remote controller as shown in Fig 8 b Remove the putty before wiring After wiring make sure to restore the putty 7 Insert the wire harness 4P terminal into the control box PCB connector RC Fig 8 a 8 Install the term...

Страница 130: ...ler Fig 9 This starts the fan producing uncooled forced air with the 3 indicator lamps OPERATION lamp TIMER lamp and HIGH POWER lamp on the main unit blinking Fig 11 After 3 minutes the system shifts into cooling operation and cool air will start to be felt Cooling mode test run is unaffected by the room tempera ture 3 Press the ON OFF operation button of the remote controller again to stop the te...

Страница 131: ......

Страница 132: ...DC1111 0 ...

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