Panasonic CU-KE30NKU manuale d’uso

AIR CO N DIT ION E R IMPORT ANT These air conditioners emplo y new refrigerant R410A. Pa y special attention when servicing the unit. TECHNICAL & SER VICE MANU AL CS-KE30NKU + CU-KE30NKU CS-KE36NKU + CU-KE36NKU DC INVER TER SPLIT SYSTEM AIR CONDITIONER Outdoor Model No. CU-KE30NKU CU-KE36NKU Product Code No. 1 852 360 82 1 852 360 83 Indoor Uni[...]

• Before doing repair work, please read the " SAFETY PRECA UTIONS" carefully and fully understand them. • The precautionary items here are divided into " W ar ning" and " Caution" items. Items in par ticular which ma y cause death or serious injur y to the service personnel if the wor k is not perf ormed correctly [...]

W arning If refrigerant gas blows off during the work, do not touch the refrigerant gas as it may cause frostbite . If refrigerant gas leaks during the wor k, v entilate the room. If refrigerant gas catches fire, harmful gas may be generated. Do not mix any gas other than the specified refrigerant gas in the refrigerating cycle. If air or other con[...]

T able of Contents SAFETY PRECA UTIONS T ABLE OF CONTENTS 1. OPERA TING RANGE 2. SPECIFICA TIONS 2-1. Unit Specifications 2-2. Major Component Specifications 2-3. Other Component Specifications 3. DIMENSIONAL D A T A 4. REFRIGERANT FLO W DIA GRAM 4-1. Refr igerant Flo w Diagram 5. PERFORMANCE D A T A 5-1. T emperature Char ts 5-2. Cooling Capacity [...]

9. CHECKING ELECTRICAL COMPONENTS 9-1. Measurement of Insulation Resistance 9-2. Checking Continuity of Fuse on PCB Ass'y 10. REFRIGERANT R410A: SPECIAL PRECA UTIONS WHEN SER VICING UNIT 10-1. Characteristics of New Refrigerant R410A 10-2. Checklist bef ore Ser vicing 10-3. T ools Specifically f or R410A 10-4. T ubing Installation Procedures 1[...]

95 °F DB / 71 °F WB 67 °F DB / 57 °F WB 80 °F DB / 67 °F WB – DB / – WB 1. OPERA TING RANGE Maximum Minimum Maximum Minimum 115 °F DB 0 °F DB 75 °F DB / 65 °F WB – DB / 0 °F WB T emperature Indoor Air Intake T emp. Outdoor Air Intake T emp. Cooling Heating 6[...]

2. SPECIFICA TIONS 2-1. Unit Specifications Indoor Unit CS-KE30NKU Outdoor Unit CU-KE30NKU < 230V > D A T A SUBJECT TO CHANGE WITHOUT NO TICE. Remarks: Rating conditions are: Cooling: Indoor air temperature 80 °F DB / 67 °F WB Outdoor air temperature 95 °F DB / 75 °F WB Heating: Indoor air temperature 70 °F DB Outdoor air temperature 47 [...]

Indoor Unit CS-KE30NKU Outdoor Unit CU-KE30NKU < 208V > D A T A SUBJECT TO CHANGE WITHOUT NO TICE. V er tical dB-A dB-A Indoor : Hi/Me/Lo/Qt* Outdoor : Hi Air Filter Compressor Refrigerant / Amount charged at shipment Ibs (g) Refrigerant Control Shipping V olume Net Shipping P ac kage Dimensions W eight Height s Width s Depth Height s Width s[...]

Indoor Unit CS-KE36NKU Outdoor Unit CU-KE36NKU < 230V > D A T A SUBJECT TO CHANGE WITHOUT NO TICE. V er tical dB-A dB-A Indoor : Hi/Me/Lo/Qt* Outdoor : Hi Air Filter Compressor Refrigerant / Amount charged at shipment Ibs (g) Refrigerant Control Shipping V olume Net Shipping P ac kage Dimensions W eight Height s Width s Depth Height s Width s[...]

Indoor Unit CS-KE36NKU Outdoor Unit CU-KE36NKU < 208V > D A T A SUBJECT TO CHANGE WITHOUT NO TICE. V er tical dB-A dB-A Indoor : Hi/Me/Lo/Qt* Outdoor : Hi Air Filter Compressor Refrigerant / Amount charged at shipment Ibs (g) Refrigerant Control Shipping V olume Cooling Heating Net Shipping P ac kage Dimensions W eight Height s Width s Depth [...]

Indoor Unit CS-KE30NKU 24BYJ48-1256 Flap Motor T ype Stepping Motor Rating Model Coil Resistance Oh m (Ambient T emp . 77 °F (25 °C)) Each P air of T erminal : 200 +/- 7% DC 12V Aluminum Plate Fin / Copper T ube 1 and 2 19.5 4.55 (0.423) F ace Area Coil Rows Fins P er inch Heat Exchanger Coil ft 2 (m 2 ) D A T A SUBJECT TO CHANGE WITHOUT NO TICE.[...]

Indoor Unit CS-KE36NKU Flap Motor T ype Rating Model Coil Resistance Oh m (Ambient T emp . 77 °F (25 °C)) F ace Area Coil Rows Fins P er inch Heat Exchanger Coil ft 2 (m 2 ) D A T A SUBJECT TO CHANGE WITHOUT NO TICE. Control PCB Control Circuit Fuse Controls P ar t No . Microprocessor 250V 3A CB-CS-KE36NKU Fan Q'ty ... Dia. and Length T ype [...]

Outdoor Unit CU-KE30NKU 2-2-2. Outdoor Unit P .C.Board Circuit Fuse Controls P ar t No . - 250V 25A PO W -CH3082-B2 Noise Filer P .C .B Microprocessor 400V 3.15A CR-CH3082-F Control P .C .B - - HIC-CH3072R-C1 H.I.C .Board D A T A SUBJECT TO CHANGE WITHOUT NO TICE. Pints (cc) - Micro F VA C External Finish Acr ylic bak ed-on enamel finish FV68S ... [...]

Outdoor Unit CU-KE36NKU P .C.Board Circuit Fuse Controls P ar t No . - 250V 25A PO W -CH3082-B2 Noise Filer P .C .B Microprocessor 400V 3.15A CR-CH3682-F Control P .C .B - - HIC-CH3072R-C1 H.I.C .Board D A T A SUBJECT TO CHANGE WITHOUT NO TICE. Pints (cc) - Micro F VA C External Finish Acr ylic bak ed-on enamel finish FV68S ... 2.98 (1,400) - - Int[...]

2-3. Other Component Specifications Indoor Unit CS-KE30NKU CS-KE36NKU Outdoor Unit CU-KE30NKU CU-KE36NKU 0 32 50 68 86 104 122 140 158 176 194 (0) (10) (20) (30) (40) (50) (60) (70) (80) (90) 40 60 80 100 120 140 160 180 200 20 50 1 0 2 3 4 5 6 7 8 9 10 59 68 77 86 95 104 (10) (15) (20) (25) (30) (35) (40) • Indoor air temp sensor (Model:KTEC-35-[...]

3. DIMENSIONAL D A T A Indoor Unit CS-KE30NKU CS-KE36NKU Unit: inch(mm) (852-0-0010-196-00-0) 41-15/16 (1065) 9-1/16 (230) (3/32) 7-25/32 Wide tube dia. 5/8" (15.88) Narrow tube dia. 3/8" (9.52) 1-27/32 1-3/32 2-3/32 25/32 5-1/2 6-7/32 16-11/32 17-5/16 19-9/16 16-11/32 17-21/32 22-3/8 5-3/16 3-3/4 3-3/4 7-7/8 15-1/8 17-23/32 2-11/16 11-13[...]

Outdoor Unit CU-KE30NKU CU-KE36NKU Unit: inch(mm) (852-0-0010-194-00-1) 6-11/6 25-31/32 4-11/32 2-15/16 2-3/8 2-ID:1-1/4 holes (holes for drain) Of the 4-ID:1-1/4 holes, use 1 of 2 holes specified for drain use to install the port. Use rubber plugs to seal the remaining 3 holes. 1/2 1/2 2-15/16 8-5/8 4-1/8 37-1/32 (940) Refrigerant tubing joint (Li[...]

Compressor 4-wa y valv e Main Accumulator High pressure switch Wide tube service valv e Wide tube Sub Accumulator Narrow tube service valv e Narrow tube Heat exchanger Heat exchanger Muffler Cooling cycle (Defrosting cycle) Heating cycle Indoor unit Outdoor unit Electric expansion valv e Strainer M O. D 5/8" (15.88 mm) O. D . 3/8" (9.52 m[...]

5. PERFORMANCE D A T A 5-1. T emperature Char ts Indoor Unit CS-KE30NKU Outdoor Unit CU-KE30NKU • Check each perf or mance v alue in test-run mode. Electrical performance values represent a combined indoor/outdoor v alue. NO TE Cooling Characteristics (RH : 46%, Indoor f an speed : High fan) (60Hz, 230V) (1) Low pressure perf or mance char t (2) [...]

Indoor Unit CS-KE30NKU Outdoor Unit CU-KE30NKU • Check each perf or mance v alue in test-run mode. Electrical performance values represent a combined indoor/outdoor v alue. • Overload pre v ention operates to protect the air conditioner when outdoor ambient temperature becomes e xtremely high in heating mode. (Refer to "7-2. Protective Fun[...]

Indoor Unit CS-KE36NKU Outdoor Unit CU-KE36NKU Cooling Characteristics (RH : 46%, Indoor f an speed : High fan) (60Hz, 230V) (1) Low pressure perf or mance char t (2) Operating current perf or mance char t (3) Indoor discharge air perf ormance char t -4 (-20) 5 (-15) 14 (-10) 23 (-5) 32 (0) 41 (5) 50 (10) 59 (15) 68 (20) 77 (25) 86 (30) 95 (35) 104[...]

Indoor Unit CS-KE36NKU Outdoor Unit CU-KE36NKU Indoor discharge air temperature °F(°C) 23 (Ð5) 32 (0) 41 (5) 50 (10) 59 (15) 68 (20) 77 (25) Outdoor inlet air DB temp . °F(°C) Outdoor inlet air DB temp . °F(°C) 23 (Ð5) 32 (0) 41 (5) 22 21 20 19 18 17 16 50 (10) 59 (15) 68 (20) 77 (25) Operating current (A) 23 (Ð5) 32 (0) 41 (5) 50 (10) 131[...]

1. Rating conditions (#) : Indoor Unit Enter ing Air T emp . 80 °F (26.7 °C) DB / 67 °F (19.4 °C) WB : Outdoor Ambient T emp. 95 °F (35 °C) DB 2. 3. Above data represents the v alue when the operation frequency of a compressor is fix ed. Abov e data does not tak e F reeze Prev ention Protection dur ing cooling operation into account. F or thi[...]

Indoor Unit : CS-KE36NKU Outdoor Unit : CU-KE36NKU P ower Supply : 230V Single Phase 60Hz < Cooling Capacity > TC : T otal Cooling Capacity (BTU/h) SHC : Sensib le Heat Capacity (BTU/h) 1. Rating conditions (#) : Indoor Unit Enter ing Air T emp . 80 °F (26.7 °C) DB / 67 °F (19.4 °C) WB : Outdoor Ambient T emp. 95 °F (35 °C) DB 2. 3. Abo[...]

Indoor Unit : CS-KE30NKU Outdoor Unit : CU-KE30NKU P ower Supply : 230V Single Phase 60Hz < Cooling Capacity (Low Ambient) > 5-3. Cooling Capacity (Low Ambient) TC : T otal Cooling Capacity (BTU/h) SHC : Sensib le Heat Capacity (BTU/h) 1. 2. Above data represents the v alue when the operation frequency of a compressor is fix ed. Abov e data d[...]

Indoor Unit : CS-KE36NKU Outdoor Unit : CU-KE36NKU P ower Supply : 230V Single Phase 60Hz < Cooling Capacity (Low Ambient) > TC : T otal Cooling Capacity (BTU/h) SHC : Sensib le Heat Capacity (BTU/h) 1. 2. Above data represents the v alue when the operation frequency of a compressor is fix ed. Abov e data does not tak e F reeze Prev ention Pr[...]

Indoor Unit : CS-KE30NKU Outdoor Unit : CU-KE30NKU P ower Supply : 230V Single Phase 60Hz < Heating Capacity > 5-4. Heating Capacity TH : T otal Heating Capacity (BTU/h) 1. Rating conditions (#) : Indoor Unit Enter ing Air T emp . 70 °F (21.1 °C) DB : Outdoor Ambient T emp. 47 °F (8.3 °C) DB / 43 °F (6.1 °C) WB 2. 3. Above data represen[...]

Indoor Unit : CS-KE36NKU Outdoor Unit : CU-KE36NKU P ower Supply : 230V Single Phase 60Hz < Heating Capacity > TH : T otal Heating Capacity (BTU/h) 1. Rating conditions (#) : Indoor Unit Enter ing Air T emp . 70 °F (21.1 °C) DB : Outdoor Ambient T emp. 47 °F (8.3 °C) DB / 43 °F (6.1 °C) WB 2. 3. Above data represents the v alue when the[...]

Horizontal distance (ft.) Axis air velocity (ft./sec.) V er tical distance (ft.) Room air temp.:70°F (21.1°C) Fan speed:High Heating Horizontal distance (ft.) Axis air velocity (ft./sec.) Vertical distance (ft.) Room air temp.:80°F (26.7°C) Fan speed:High Cooling : Flap angle 0 , : Axis air velocity 0 : Flap angle 30 , : Axis air velocity 30 : [...]

Horizontal distance (ft.) Axis air velocity (ft./sec.) V er tical distance (ft.) Room air temp.:70°F (21.1°C) Fan speed:High Heating Horizontal distance (ft.) Axis air velocity (ft./sec.) Vertical distance (ft.) Room air temp.:80°F (26.7°C) Fan speed:High Cooling : Flap angle 0 , : Axis air velocity 0 : Flap angle 30 , : Axis air velocity 30 : [...]

6. ELECTRICAL D ATA 6-1. Electrical Characteristics Indoor Unit CS-KE30NKU Outdoor Unit CU-KE30NKU Indoor UnitOutdoor Unit Fan Motor Fan Motor + Compressor Performance at 230V Single-phase 60Hz Rating conditions Running amp. A 0.4 Power input W A W A W A W 39 16.1 3,251 Rating conditions: Indoor air temperature: 80 °F (26.7 °C) DB / 67 °F (19.4 [...]

Indoor Unit CS-KE36NKU Outdoor Unit CU-KE36NKU Indoor UnitOutdoor Unit Fan Motor Fan Motor + Compressor Performance at 230V Single-phase 60Hz Rating conditions Running amp. A 0.4 Power input W A W A W A W 39 19.6 3,961 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 [...]

CONTROLLER IND LAMP ASSY 1 2 4 5 1 2 4 3 3 5 1 2 3 9 1 2 3 4 5 4 5 6 7 6 7 8 8 9 1 2 3 9 1 2 3 4 5 4 5 6 7 6 7 8 8 9 LAMP 9P (WHT) 1 2 1 2 COIL 2P (WHT) ROOM/UV 4P (WHT) S-LINK (RAC) 4P (BLU) FLAP 5P (WHT) GND 2P (WHT) 1 2 3 4 1 2 3 4 1 2 3 4 WHT BLK BLK BLK BLK BLK BLK BLK BLK FLAP MOTOR EVAPORATOR GND RED ORG YEL PNK BLU 1 2 6 7 1 2 6 5 5 7 DCM 7[...]

Outdoor Unit CU-KE30NKU CU-KE36NKU 8F A2-5251-15200-0 25A CONTROLLER DCFM MV0 FAN MOTOR 1 2 3 4 5 6 7 BLU RED BRN WHT ORG BLU RED BRN WHT ORG w w w w w w w 1 2 3 4 5 5 1 2 4 3 1 2 1 2 12 3 4 5 6 7 1 2 4 5 6 7 3 1 2 12 3 4 34 5 5 1 2 1 2 3 3 1 2 1 2 123 4 1 2 4 3 123 4 1 2 4 3 2 1 2 1 FERRITE CORE COMPRESSOR THERMISTOR OUT DOOR THERMISTOR COIL THERM[...]

Emergency operation SENSOR DR Y A UT O cooling/heating operation Selecting the operation mode During DR Y operation, the system adjusts the room temperature and f an speed according to the conditions in the room, in order to maintain a comf or table room en vironment. SENSOR DR Y operation • DR Y operation is as shown in the figure below . The co[...]

HIGH PO WER NIGHT SETB A CK Lamp colors Timer backup This function acts to raise the power but keeps the AC system in the same operating mode. This function is set with the HIGH PO WER button on the remote controller . (It can be set regardless of the temperature and f an speed settings.) HIGH PO WER operation from remote controller The unit operat[...]

The noise reducing control is the function used f or silent operation of the air conditioner b y means of setting the dip s witch on the outdoor unit P .C .Board to control the fan and compressor's motor speed. <Operation Sound> <Switching Pr ocedure to Noise Reducing Control> (1) Remov e the 3 screws fixing the inspection panel an[...]

The maximum current v alue is changed to 14A (f or CU-KE30NKU) or 17A (f or CU-KE36NKU) to prev ent pow er breaker tripping. (It is set to 24A (in cooling) or 22A (in heating) when the unit is delivered from the f actor y .) <Maximum Current V alue Change Procedure> (1) Remov e the inspection panel. Refer to Fig. 2 in " Noise Reducing Co[...]

Overload prevention during heating During HEA T operation, the temperature of the indoor heat e xchanger is used to control the frequency and lessen the load on the compressor bef ore the protective de vice is activated. Cold-air prevention during heating Compressor dischar ge temperature contr ol During heating, the fan speed is set to "LL&qu[...]

This function pre vents the circuit break er or fuse from operating to open the circuit. This function works when electrical current has increased due to an increase in the cooling / heating load, or to a decrease in the power supply v oltage. In these cases, operation frequency is reduced or operation is interrupted auto- matically to control the [...]

8. TROUBLESHOOTING (BEFORE CALLING FOR SERVICE) 8-1. Precautions before Performing Inspection or Repair NOTE After checking the self-diagnostics monitor , tur n the power OFF bef ore star ting inspection or repair . High-capacity electrolytic capacitors are used inside the outdoor unit controller (inv er ter). The y retain an electr ical charge (ch[...]

INDICA TION ON INDOOR UNIT .... OFF DIA GNOSIS CONTENTS POSSIBLE MALFUNCTION ROOM TEMP . SENSOR TR OUBLE I/D HEA T EXCHANGER TEMP . SENSOR TROUBLE HUMIDITY SENSOR TROUBLE COMPRESSOR TEMP . SENSOR TROUBLE O/D HEA T EXCHANGER TEMP . SENSOR TROUBLE O/D AIR TEMP . SENSOR TROUBLE I/D-O/D COMMUNICA TION TROUBLE (SERIAL COMMUNICA TION TROUBLE) O/D UNIT EX[...]

(2) If the self-diagnostics function fails to operate Check the indoor unit. Is the fuse blown? Replace the controller . Replace the circuit board or the fuse. No indicators illuminate and the indoor f an does not rotate. Check the po wer v oltage. Nor mal Blown 43[...]

8-3. Checking the Indoor and Outdoor Units (1) Checking the indoor unit (2) Checking the outdoor unit Using the TEST/T -RUN terminals Control No. Check items (unit operation) T -R UN : T est r un (compressor and f an motor turn ON). TEST/MV : Compresses time to 1/60th (accelerates operation b y 60 times f aster than normal). Use the remote controll[...]

(3) Serial Communication Err or Identification Procedure Ref er to "Method of Self-Diagnostics" f or the self-diagnostics procedure. (3-1) Alarm Code : E05 < Before the Operation > If the lamps on the main body show the f ollowing conditions after the completion of self-diagnostics, a communication error between the indoor unit and [...]

What is the latest self-diagnosis result ? Alarm Code : E07/P04/P05/ P20/P27 Alarm Code : E07/P04/P05/ P20/P27 Defect in the outdoor unit P .C. board. Alarm Code : E05 Defect or connection error in the inter-unit cable Defect in the indoor unit P .C. board ( Continued from the pre vious page A. ) A ( Continued from the pre vious page B. ) B 1 2 4 3[...]

(3-2) Alarm Code : E07/P04/P05/P20/P27 T roubleshooting Serial Communication 1. T ur n off the power and wait until the power lamp (LED) of the outdoor unit controller is turned OFF . 2. Disconnect the cable from the ter minal 3 on the indoor unit terminal str ip . (Fig. 7) Defect in the indoor unit P .C. board Defect in the outdoor unit P .C. boar[...]

[T rouble symptom 3] Motor rotates f or some time (sev eral seconds), but then quic kly stops, when the indoor unit operates. (There is trouble in the system that pro vides f eedbac k of motor rotation speed from the motor to the indoor unit controller .) [T rouble symptom 4] F an motor rotation speed does not change dur ing indoor unit operation. [...]

8-4-2. Outdoor Fan Motor This outdoor DC f an motor contains an internal control PCB. Therefore , it is not possible to measure the coil resistance, and the f ollowing procedure should be used to check the motor . P erform the trouble diagnosis b y T est Run mode descr ibed on Installation Instructions of indoor unit. [T rouble symptom 1] The f an [...]

8-5. Noise Malfunction and Electromagnetic Interference An inv er ter A/C operates using pulse signal control and high frequencies. Therefore, it is susceptib le to the effects of e xternal noise, and is lik ely to cause electromagnetic interf erence with nearby wireless de vices. A noise filter is installed f or ordinar y use , pre venting these p[...]

Insulation tester Probe Clip Ground wire T erminal plate Copper tube or metallic par t Clip Insulation tester Probe Fig. 1 Fig. 2 Fig. 3 Fig. 4 Copper tube or metallic par t Clip Insulation tester Probe Clip Insulation tester Probe Metallic par t F rom f an motor , compressor and other par ts 9. CHECKING ELECTRICAL COMPONENTS 9-1. Measurement of In[...]

Fuse PCB Ass'y Fig. 5 Fig. 6 Fuse 9-2. Checking Continuity of Fuse on PCB Ass'y Remov e the PCB Ass'y from the electr ical component bo x. Then pull out the fuse from the PCB Ass'y . (Fig. 5) Check f or continuity using a multimeter as shown in Fig. 6. 52[...]

10. REFRIGERANT R410A: SPECIAL PRECA UTIONS WHEN SER VICING UNIT 10-1. Characteristics of New Refrigerant R410A 10-1-1. What is New Refrigerant R410A? R410A is a new refrigerant that contains two types of pseudo-non-azeotr opic refrigerant mixture. Its refrigeration capacity and energy efficiency are about the same level as the con ventional refrig[...]

T ubing precautions Refrigerant R410A is more easily affected b y dust or moisture compared with R22, thus be sure to temporarily cov er the ends of the tubing with caps or tape pr ior to installation. Ne v er use 0.0276" (0.7 mm)-thick copper tubing or tubing which is less than 0.0315" (0.8 mm) in thic kness, since air conditioners with [...]

10-3. T ools Specifically f or R410A For servicing, use the follo wing tools f or R410A Gauge manif old Charging hose Gas leak detector Refrigerant cylinder Charging cylinder Refrigerant recov ery unit V acuum pump with anti-rev erse flow (*1) (Solenoid v alve-installed type , which pre vents oil from flowing bac k into the unit when the power is o[...]

10-5. In Case of Compressor Malfunction CA UTION Should the compressor malfunction, be sure to make the s witch to a replacement compressor as quickl y as possible. Use only the tools indicated e xclusivel y f or R410A. See "10-3. T ools Specifically for R410A." 10-5-1. Procedure f or Replacing Compressor (1) Recovering refrigerant Any re[...]

V alve Single valve Charge liquid refrigerant with cylinder in up-side-down position. Single valve (with siphon tube) Charge with cylinder in normal position. Liquid V alve Liquid Charging cylinder Open Refrigerant cylinder Liquid NO! CA UTION Never char ge a lar ge amount of liquid refrigerant at once to the unit. This may cause damage to the comp[...]

Length of tubing Evacuation time Less than 33 ft. (10 m) More than 10 minutes More than 33 ft. (10 m) More than 15 minutes 10-6. In Case Refrigerant is Leaking CAUTION Never attempt to char ge additional refrigerant when refrigerant has been leaking from the unit. Follow the pr ocedure described below to locate points of leaks and carry out repairs[...]

10-7. Charging Additional Refrigerant 10-7-1. When T ubes are Extended Obser v e the proper amount of refr igerant as stated in this service manual or the installation manual that came with the indoor unit. Charge ad ditional refrigerant in liquid state only . 10-8. Retro-Fitting Existing Systems 10-8-1. Use of Existing Units Never use ne w refrige[...]

Operating Instructions CS-KE30NKU + CU-KE30NKU CS-KE36NKU + CU-KE36NKU (852-6-4181-221-00-2) APPENDIX A A-1[...]

Split System Air Conditioner Model No. Indoor Units CS-KE30NKU CS-KE36NKU Outdoor Units CU-KE30NKU CU-KE36NKU Operating Instructions Panasonic Corporation 1006 Kadoma, Kadoma City, Osaka, Japan 85264181221002 CV6233187112 This air conditioner uses the refrigerant R410A. Before operating the unit, read these operating instructions thoroughly and kee[...]

2 FEA TURES This air conditioner is a n inv er ter type u nit that automaticall y adjusts ca pability as appropriate . Details on these functions are pro vided below; ref er to these descriptions when using the air condi tioner . • Mic ropr ocessor Contr olled Operation The interior compa rtmen t of the remote controller contains sev eral feature[...]

3 INST ALLA TION LOCA TION • We recommend that this air conditioner be installed properl y by qualified ins tallation technicians in accor dance with the Installat ion Instructio ns pr ovide d with the unit. • Before installation, check that the v oltage of the electric supply in your home or off ice is the same as the voltage shown on the name[...]

4 NAMES OF P ARTS This illustr ation is based on the e xternal view of a st andard model. Consequently , the shape ma y differ from that of the air cond itioner which y ou hav e selected. This air conditioner consists of an i ndoor unit and an outdoo r unit. Y ou can control the air condit ioner with the remote controller . UNIT DISPLA Y AND OPERA [...]

5 REMO TE CONTROLLER (DISPLA Y) (1) Operation mod e A UTO ........................ ............. HEA T ..... ....................... .......... MILD DR Y ............. ................. COOL .... ....................... .......... F AN ....... ....................... .......... (2) F an speed A utomatic operation ........... .... HIGH ........... .[...]

6 REMO TE CONTROLLER T ransmitter When you p ress the b uttons on the remote cont roller , the mark appears in the displa y to transmit the setting changes to the receiv er in the air c onditioner . Display Inf ormation on the operating c onditions is dis pla yed whi le the remote controller is s witched on. If the unit is turned of f , FLAP settin[...]

7 Sensor A temperature sensor ins ide the remote controller senses the room temperature . (Co ver c losed) CLOCK button A CL button (ALL CLEAR) Puts the remote co ntroller into pre-oper at ion status . Alw ays press this b utton after replacing the batteries. ON/OFF operation b utton This button is fo r tur ning the air conditioner on and off . 1 H[...]

8 USING THE REMO TE CONTROLLER HO W T O INST ALL B A TT ERIES 1. Slide the co ver i n the direction i ndicated b y the arro w and remo ve it. 2. Install two AAA alkaline batteries . Mak e sure the batteries point in the direction marked in t he batte r y compartment. 3. Use a thin object such as the tip of a pen to press the A CL button. HO W T O U[...]

9 OPERA TION WITH THE REMO TE CONTROLLER 1. A utomatic Operation This unit automatically s witches between cooling operatio n and heating operation acc ording to the diff erence between the room temperature and the temper ature setting. 2. Manual Operation Check that the circ uit breaker on the po wer panel is turned on. Once mode is selected and t[...]

10 3. Adjusting the Fan Speed A. A utomatic fan speed Simply set the F AN SPEED selector b utton to the position. This automatically sets th e best fan speed f or the room temperature. B. Manual fa n speed If you w ant to adjust fan speed manually during operation, just set the F AN SPEED selector button as desired. [ , , or ] 4. Fan Onl y 5. Night[...]

11 7. HIGH PO WER Mode HIGH PO WER mode can be used to increase the output of the indoor unit f or all oper ation modes e xcept automatic operation. Press the HIGH POWER b utton while unit is operating. The mar k appears in the displ ay . T o cancel, press HIGH PO WER button again. • When the HIGH PO WER button is pressed, the unit oper ates at m[...]

12 A. In Heating Mode: ( ) B. In Cooling Mode: ( ) • Unoccupied Mode triggers Heating or Cooli ng Operation in response to the room temperature , but when th is happens , the remote controller will contin ue to displa y the Operation mode set by the user . • If the room temper ature rapidly chan ges, the room temper ature ma y get ov er the upp[...]

13 SETTING THE TIMER In the descriptions below , the f ollowing settings are used f or the temperature and time indicator selector b utton on the bot tom front section of the remot e controller . • T emperature: °F • Time: AM, PM 1. How to set the p resent time (Example) T o set to 10:30 pm. 2. How to set the OFF time (Example) T o stop the ai[...]

14 4. How to set dail y ON/OFF repeat timer (Example) T o star t operation at 7:10 am. and stop the air condition er at 11:00 am. • The ON/OFF combina tion timer uses the current time as the ref erence, and it is activated starting from whichever set time comes f irst. • With the ON/OFF combination ti mer , the settings are repeated eve r y day[...]

15 ADJUSTING THE AIRFLO W DIRECTION 1. Horizontal The horizontal airflow can b e adjusted b y mo ving the v er tical v anes with y our hands t o the lef t or right. When the humi dity is high, the vertical vanes should be in the fro nt position during the cooling or dehumidifyin g operation. I f the vertical vanes are positioned all of the wa y to [...]

16 CARE AND CLEANING Casing and Grille (Indoor Unit) Clean the casi ng and g rille of the indoor unit with a v acuum cleaner brush, or wipe them with a cle an, soft cloth. If these par ts are stained, use a clean cloth moistened with a mild liquid detergent. When cleanin g the grille, be careful no t to f orce the vanes out of pl ace. Filter The f [...]

17 TR OUBLESHOO TING (BEFORE CALLING FOR SER VICE) If your air co nditioner does not w ork properly , first chec k the f ollowing points bef ore requesting service. If it still does not work properly , contact your d ealer or service center . OPERA TING RANGE The air conditi oner is oper able within the tempe rature rang es as listed belo w: WIRED [...]

18 SPECIFICA TIONS Model No. Outdoor Unit Indoor Unit CS-KE30NKU CU-KE30NKU 30,600 [ 10,900 ~ 30,600 ] 55 Single-phase, 208-230 V , 60 Hz 9.00 [ 3.20 ~ 9.00 ] 9.70 [ 4.10 ∼ 9.70 ] 33,000 [ 14,000 ∼ 33,000 ] - 55 - 35-13/16×37-1/32×13-3/8 (910×940×340) - 49/44/39 49/44/39 - Heating Capacity Operation Sound Unit Dimensions (H×W×D) (Indoor u[...]

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INST ALLA TION INSTR UCTIONS APPENDIX B CS-KE30NKU + CU-KE30NKU CS-KE36NKU + CU-KE36NKU (852-6-4190-587-00-0) A-2[...]

$/09(08*54+0:054,8;9,9:/,8,-80.,8(4:" >:,84(2+0(3,:,85-9,8<0*,658:" Split System Air Conditioner   INST ALLA TION INSTRUCTIONS NOTE & Contents Page IMPORT ANT![...]

2 IMPORT ANT! Please Read Before Starting This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently . For safe installation and trouble-free operation, you must:  Carefully read this instr[...]

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4 1. General This booklet briefly outlines where and how to install the air conditioning system. Please read over the entire set of instructions for the indoor and outdoor units and make sure all accessory parts listed are with the system before beginning. 1-1. T ools Required for Installation (not supplied) 1. Standard screwdriver 2. Phillips head[...]

5 1-5. Additional Materials Required for Installation 1. Refrigeration (armored) tape 2. Insulated staples or clamps for connecting wire (See local codes.) 3. Putty 4. Refrigeration lubricant 5. Clamps or saddles to secure refrigerant tubing 2. Installation Site Selection 2-1. Indoor Unit A VOID:  direct sunlight.  nearby heat sources that ma[...]

6  Concerning air-intake side distance “A” (Fig. 5a) The minimum for distance “A” is 6" if there are no obstructions on the air-discharge side (wall *1 side) and *2 or *4 is not present. In all other cases, the min- imum for distance “A” is 8".  If wall *1 is on the air-discharge side (Fig. 5a), or if obstructions are pr[...]

7 Fig. 5e Fig. 5f Fig. 5g 2-2-1. Installing the Unit in an Area with High Winds and in a Snowy Area   425*(:0549=0://0./=04+9(=04+6855-+;*: 9/5;2+ ) ,-0::,+(4++08,*:,>659;8,:5:/,=04+ 9/5;2+ ) ,(<50+,+(93;*/(965990 ) 2,0.,   4?[...]

8 1 1-13/16" 13-3/8" 25-3/16" 22-7/8" (6-21/32") 6-5/16" 21-25/32" (12-9/16") 2-1 1/16" 35-13/16" 37-1/32" Air discharge Air discharge Air discharge Hole for anchor bolt (4-R1/4") / Anchor bolt : 3/8" or M10 1 Air discharge Air discharge 25-31/32" 6-1 1/16" 13-3/8" 25/3[...]

9 Required space around the outdoor unit -:/,=04+6855-+;*:09;9,+:/,96(*,9/5=4 ) ,25 =3;9: ) ,9,*;8,+(85;4+:/,5;:+558;40: -:/,;40:09;9,+=0:/5;::/,8, 7 ;08,+96(*,(685:,*:0< ,+,<0*,3( ?(*:0< (:,68, <,4:04.:/,;40:-85356[...]

10 25-13/32" 3/32" 13-3/8" (1 1-15/16") 16-15/16" Air Intake Air discharge 39-1/4" 27-7/32" 7-1/32" 35-15/16" 28-15/16" 27-5/8" (1 1-5/8") Air Intake 13/32" 14-31/32" 25/32" 25/32" 25/32" 13-3/8" 4-1 1/32" 1 (8-15/16") 25-31/32" Air discharge 1 [...]

11 Reference diagram f or snow-pr oof duct Space requirements for setting CU-KE30NKU, CU-KE36NKU with STK-BDV80E 0458358, #04.2,;40:049:(22(:054 ;2:062,;40:049:(22(:05458358,;40:9 [Obstacle to the front of unit] 0458358, [...]

12 04  58358, 04  58358, 04  58358, 04  58358, 04  58358, 04  58358, #04.2,;40:049:(22(:054  ) [...]

13 Rear panel Fig. 7c Rear panel Fig. 7b Set screw only f or transpor tation Fig. 6 Rear panel marks Fig. 7a ,-: :; ) 04. "0./: :; ) 04. "0./:8,(8 :; ) 04. 8,*533,4+,+ "0./:+5=4=(8+ :; ) 04. ,-:8,(8 :; ) 04. ,-:+5=4=(8+ :; ) 04. Fig. 8 3. How to Install the Indoor Unit 3-1. Remove the Rear Panel from the Un[...]

14 Indoor side Outdoor side Hole should be made at a slight downward slant to the outdoor side. NO TE Fig. 10 Plastic cover INSIDE OUTSIDE W all Slight angle PVC pipe (Locally purchased) Fig. 12 PVC pipe (Locally purchased) Cut at sli g ht an g le Fig. 1 1 (4) Using a sabre saw , key hole saw or hole-cutting drill attachment, cut a hole in the wall[...]

15 3-4. Removing and Installing the Grille Basically , these models can be installed and wired with- out removing the grille. If access to any internal part is needed, follow the steps as given below . How to remove the grille (1) Open the front panel until it is nearly horizontal, grasp the sections near the front panel arms on both sides, and the[...]

16 3-5. Shape the Indoor Side T ubing (1) Arrangement of tubing by direction a) Right or left tubing Cut out the corner of the right/left frame with a hacksaw or the like. (Figs. 20 and 21) b) Right-rear or left-rear tubing In this case, the corner of the frame need not be cut. (2) T o mount the indoor unit on the rear panel: Hang the 3 mounting sl[...]

17 3-7. Wire Size and Length Regulations on wiring diameter differ from locality to locality . For field wiring requirements, please refer to your local elec - trical codes. Carefully observe these regulations when carrying out the installation. Refer to the wiring system diagram (Fig. 23) for the meaning of (A), (B), and (C) in T able 5. Refer to [...]

18 3-8. Wiring Instructions for Inter-unit Connections (1) Insert the inter-unit wiring (according to local codes) into the through-the-wall PVC pipe. Run the wiring toward the indoor side allowing approx. 10" (25 cm) to extend from the wall face. (Fig. 24) (2) Grasp both ends of the front panel, push the arms towards the outside, and remove t[...]

19 When connecting each power wire to the corresponding terminal, follow the instructions “How to connect wiring to the terminal” and fasten the wire securely tight with the fixing screw of the terminal plate. How to connect wiring to the terminal a) For Indoor Unit (1) Cut the wire end with a cutting pliers, then strip the insulation to expose[...]

20 3-9. Mounting (1) T o install the indoor unit, mount the indoor unit onto the 3 tabs on the upper part of the rear plate. (2) Hold down the air discharge outlet and press the lower part of the indoor unit until it clicks to securely fasten to the 2 tabs on the lower part of the rear plate. (Fig. 33) For tubing, choose either the right or left tu[...]

21 Hole in wall Bent part Narrow tube Wide tube Rear panel Fig. 38 Drain cap Drain hose Clamp Fig. 39  Left-side tubing (1) Lead the tubing and drain hose through the wall, allowing sufficient length for connection. Then bend the tubing using a tube bender to make the attach- ment. (Fig. 38) (2) Switch the drain hose and drain cap. Switching dra[...]

22 T o unmount indoor unit Press the 2  marks on the lower part of the indoor unit and unlatch the tabs. Then lift the indoor unit and unmount. (Fig. 42) 3-10. Frame Fastening Method (1) Remove the screw cover on the bottom surface. (Fig. 43) (2) Fasten the frame to the rear panel using the 2 sup- plied tapping screws 5/32" x 13/32" (4[...]

23 4. How to Install the 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 elec- trical codes. Make sure that the installation fully complies with all local and nationa[...]

24 5. Refrigerant T ubing 5-1. Use of the Flaring Method Many of the conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units. In this method, the copper tubes are flared at each end and connected with flare nuts. 5-2. Flaring Procedure with a Flare T ool (1) Cut th[...]

25 5-4. Connecting T ubing between Indoor and Outdoor Units a) T ightly connect the indoor side refrigerant tubing exten- ded from the wall with the outdoor side tubing. (Fig. 52) b) T o fasten the flare nuts, apply specified torque as: T able 6 5-5. Insulation of Refrigerant T ubing T o prevent heat loss and wet floors due to dripping of con- dens[...]

26 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 air may freeze and block capillary tubing  water may lead to co[...]

27 (5) With the vacuum pump still running, close the “Lo” knob of the manifold valve. Then stop the vacuum pump. (6) With the hex wrench, turn the valve stem on the nar- row 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. 58) (7 ) Leak test all joints at the[...]

28 How to T est Run the Air Conditioner After turning on the power of the air conditioner , use the remote controller and follow the steps below to conduct the test run. (1) Set the remote controller in T est Run mode. (Fig. 59a) a) Press and hold the QUIET button and the 1HR. TIMER button. b) Then press and hold the ACL (Reset) button with a point[...]

29  Pump Down Pump down means collecting all refrigerant gas in the system back into the outdoor unit without losing any of the gas. Pump down is used when the unit is to be moved or before servicing the refrigerant circuit. Pump Down Procedure Be sure to carry out pump down with the unit in cooling mode. (1) Connect the Lo side charging hose of[...]

30 ( $ ,3658(8 ?*544,*:054 #*8,=04@:;849 ) ?/(4+0.* )  $ 5-(9:,4:/,-2(8,4 ;:9(662?96,*0-0,+:58 7 ;, (9$ ( ) 2,(4+0.+ Fig. 60c Fig. 60d CAUTION $5 8 7 ;,=8,4*/ Be sure to tighten the flare nut using the prescribed torque. If [...]

31 8. Address Switch 8-1. Address Setting of the Remote Controller The address can be set in order to prevent interference between remote controllers when 2 indoor units are installed near each other . The address is normally set to “A.” T o set a different address, it is necessary to change the address on the second remote controller . Once ch[...]

DC1111-0[...]