Panasonic CS-XE9WKUAW Service Manual
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Panasonic CS-XE9WKUAW Service Manual

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This service information is designed for experienced 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 service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the products dealt with in this service information by anyone else could result in serious injury or death.
There are special components used in this equipment which are important for safety. These parts are marked by
Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced
with manufacturer's specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of
manufacturer.
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
RFP
OFF/ON
P OW ERFUL
MODE
MODE
RFP
TEMP
TEMP
AIR SW ING
AIR SW ING
FAN SPEE D/
QUIE T
WARNING

IMPORTANT SAFETY NOTICE

PRECAUTION OF LOW TEMPERATURE

CS-XE9WKUAW
CS-XE12WKUAW
CS-XE15WKUAW
CS-XE18WKUAW
CS-XE24WKUAW
Order No: PAPAMY2001025CE
Air Conditioner
CU-XE9WKUA
CU-XE12WKUA
CU-XE15WKUA
CU-XE18WKUA
CU-XE24WKUA
Destination
U.S.A.
Canada
in the Schematic
!
© Panasonic Corporation 2020.

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Summary of Contents for Panasonic CS-XE9WKUAW

  • Page 1 Do not modify the original design without permission of manufacturer. PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit. © Panasonic Corporation 2020.
  • Page 2 17.3 Outdoor Electronic Controller Removal Outdoor Unit ..........34 Procedure ..........129 9. Electronic Circuit Diagram ......37 17.4 To Set Panasonic Comfort Cloud App. After Replace Main Printed Circuit Board Indoor Unit ..........37 and Wireless LAN Module ....... 132 Outdoor Unit ..........
  • Page 3 1. Safety Precautions  Read the following “SAFETY PRECAUTIONS” carefully before installation.  Electrical work must be installed by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model to be installed. ...
  • Page 4 WARNING During installation, install the refrigerant piping properly before running the compressor. Operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc. During pump down operation, stop the compressor before removing the refrigeration piping.
  • Page 5 2. Specifications Indoor Model CS-XE9WKUAW Outdoor Model CU-XE9WKUA Performance Test Condition Phase, Hz Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. 0.83 2.55 3.51 0.83 2.55 3.51 Capacity BTU/h 2800 8700 12000 2800 8700 12000 Running Current 2.90 2.60...
  • Page 6 Indoor Model CS-XE9WKUAW Outdoor Model CU-XE9WKUA Type Cross-Flow Fan Material ASG33 Motor Type DC (8-poles) Input Power 47.3 Output Power Cool Heat Cool Heat Cool Speed Heat 1000 Cool 1180 Heat 1220 Cool 1230 Heat 1270 Type Propeller Fan Material...
  • Page 7 Indoor Model CS-XE9WKUAW Outdoor Model CU-XE9WKUA Height (ID / OD) mm (inch) 295 (11-5/8) / 622 (24-1/2) Dimension Unit Width (ID / OD) mm (inch) 870 (34-9/32) / 824 (32-15/32) Depth (ID / OD) mm (inch) 230 (9-1/16) / 299 (11-25/32)
  • Page 8 Indoor Model CS-XE12WKUAW Outdoor Model CU-XE12WKUA Performance Test Condition Phase, Hz Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. 0.83 3.36 4.10 0.83 3.36 4.10 Capacity BTU/h 2800 11500 14000 2800 11500 14000 Running Current 4.20 3.80 Input Power 1.05k 1.05k EER / EER Class...
  • Page 9 Indoor Model CS-XE12WKUAW Outdoor Model CU-XE12WKUA Type Cross-Flow Fan Material ASG33 Motor Type DC (8-poles) Input Power 47.3 Output Power Cool Heat Cool Heat Cool Speed Heat 1110 Cool 1270 Heat 1280 Cool 1320 Heat 1330 Type Propeller Fan Material Motor Type DC (8-poles) Input Power...
  • Page 10 Indoor Model CS-XE12WKUAW Outdoor Model CU-XE12WKUA Height (ID / OD) mm (inch) 295 (11-5/8) / 622 (24-1/2) Dimension Unit Width (ID / OD) mm (inch) 870 (34-9/32) / 824 (32-15/32) Depth (ID / OD) mm (inch) 230 (9-1/6) / 299 (11-25/32) Weight Net (ID / OD) kg (lb)
  • Page 11 Indoor Model CS-XE15WKUAW Outdoor Model CU-XE15WKUA Performance Test Condition Phase, Hz Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. 0.98 4.30 5.57 0.98 4.30 5.57 Capacity BTU/h 3300 14700 19000 3300 14700 19000 Running Current 6.00 5.40 Input Power 1.17k 1.90k 1.17k...
  • Page 12 Indoor Model CS-XE15WKUAW Outdoor Model CU-XE15WKUA Type Cross-Flow Fan Material ASG33 Motor Type DC (8-poles) Input Power 47.3 Output Power Cool Heat Cool Heat Cool 1140 Speed Heat 1190 Cool 1320 Heat 1410 Cool 1370 Heat 1460 Type Propeller Fan Material Motor Type DC (8-poles)
  • Page 13 Indoor Model CS-XE15WKUAW Outdoor Model CU-XE15WKUA Height (ID / OD) mm (inch) 295 (11-5/8) / 695 (27-3/8) Dimension Unit Width (ID / OD) mm (inch) 870 (34-9/32) / 875 (34-15/32) Depth (ID / OD) mm (inch) 230 (9-1/16) / 320 (12-5/8) Weight Net (ID / OD) kg (lb)
  • Page 14 Indoor Model CS-XE18WKUAW Outdoor Model CU-XE18WKUA Performance Test Condition Phase, Hz Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. 1.70 5.04 5.80 1.70 5.04 5.80 Capacity BTU/h 5800 17200 19800 5800 17200 19800 Running Current 6.90 6.20 Input Power 1.30k 1.60k 1.30k...
  • Page 15 Indoor Model CS-XE18WKUAW Outdoor Model CU-XE18WKUA Type Cross-Flow Fan Material ASG33 Motor Type DC (8-poles) Input Power 94.8 Output Power Cool Heat Cool Heat Cool 1120 Speed Heat 1160 Cool 1260 Heat 1330 Cool 1310 Heat 1380 Type Propeller Fan Material Motor Type DC (8-poles)
  • Page 16 Indoor Model CS-XE18WKUAW Outdoor Model CU-XE18WKUA Height (ID / OD) mm (inch) 302 (11-29/32) / 795 (31-5/16) Dimension Unit Width (ID / OD) mm (inch) 1102 (43-13/32) / 875 (34-15/32) Depth (ID / OD) mm (inch) 244 (9-5/8) / 320 (12-5/8) Weight Net (ID / OD) kg (lb)
  • Page 17 Indoor Model CS-XE24WKUAW Outdoor Model CU-XE24WKUA Performance Test Condition Phase, Hz Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. 1.70 7.02 8.00 1.70 7.02 8.00 Capacity BTU/h 5800 24000 27200 5800 24000 27200 Running Current 11.10 10.10 Input Power 2.20k 2.52k 2.20k...
  • Page 18 Indoor Model CS-XE24WKUAW Outdoor Model CU-XE24WKUA Type Cross-Flow Fan Material ASG33 Motor Type DC (8-poles) Input Power 94.8 Output Power Cool Heat Cool 1000 Heat 1050 Cool 1180 Speed Heat 1250 Cool 1350 Heat 1450 Cool 1400 Heat 1500 Type Propeller Fan Material Motor Type...
  • Page 19 Indoor Model CS-XE24WKUAW Outdoor Model CU-XE24WKUA Height (ID / OD) mm (inch) 302 (11-29/32) / 795 (31-5/16) Dimension Unit Width (ID / OD) mm (inch) 1102 (43-13/32) / 875 (34-15/32) Depth (ID / OD) mm (inch) 244 (9-5/8) / 320 (12-5/8) Weight Net (ID / OD) kg (lb)
  • Page 20 Features  Inverter Technology Wider output power range Energy saving Quick Cooling Quick Heating More precise temperature control  Environment Protection Non-ozone depletion substances refrigerant (R410A)  Long Installation Piping Long piping up to 65.6ft (20 meters) for XE9~15WKUA and 100ft (30.5 meters) for XE18~24WKUA during single split connection only ...
  • Page 21 4. Location of Controls and Components Indoor Unit 4.1.1 CS-XE9WKUAW CS-XE12WKUAW CS-XE15WKUAW Aluminium fin Front panel Auto OFF/ON button • Use when remote control is misplaced or a malfunction occurs. INDICATOR Air filters Horizontal airflow Remote Control Receiver direction louver Distances: 26ft/8m •...
  • Page 22 Remote Control Transmitter LCD display OFF/ON OFF/ON nanoeX operation Powerful operation POWERFUL Operation mode RFP operation MODE MODE Temperature setting TEMP TEMP Airflow direction adjustment AIR SWING AIR SWING Fan speed selection/ FAN SPEED/ QUIET Quiet operation Timer setting Clock setting...
  • Page 23 5. Dimensions Indoor Unit 5.1.1 CS-XE9WKUAW CS-XE12WKUAW CS-XE15WKUAW <Top View> <Side View> <Side View> <Front View> Air intake 34-9/32 (870) 9-1/16 (230) direction 3/32±1/32 (2±0.5) 3/32±1/32 (2±0.5) 1/32±1/32 (0.5±0.5) Left piping Air outlet Right piping hole direction hole <Bottom View>...
  • Page 24 5.1.2 CS-XE18WKUAW CS-XE24WKUAW <Top View> <Side View> <Side View> <Front View> Air intake 43-13/32 (1102) 9-5/8 (244) direction Left piping Air outlet hole <Bottom View> direction <Remote Control> 2-5/16 (59) 7/8 (22) 5-5/16 5-5/16 (135) (135) 2-3/8 2-3/8 (60) (60) OFF/ON POWERFUL MODE...
  • Page 25 Outdoor Unit 5.2.1 CU-XE9WKUA CU-XE12WKUA <Top View> Space necessary for installation 32-15/32 (824) 2-23/32 (68.5) 7/8 (21.9) 21-9/32 (540) 2-1/8 (53.4) 4-29/32 6-5/16 (124) (160) 1-9/32 (32) 3-15/16 (100 ) 3-15/16 (100) 39-3/8 (1000) Anchor Bolt Pitch 14-7/32 (360.5) x 24-5/32 (613) <Side View>...
  • Page 26 5.2.3 CU-XE18WKUA CU-XE24WKUA <Top View> Space necessary for 2-25/32 installation (70) 34-15/32 (875) 1-3/32 (27.5) 24-5/32 (613) 5-3/16 5-3/16 (131) 3-15/16 (100) (131) 3-15/16 (100) 39-3/8 (1000) Anchor Bolt Pitch 14-7/32 (360.5) x 24-5/32 (613) <Side View> <Side View> 2-11/32 <Front View>...
  • Page 27 6. Refrigeration Cycle Diagram CS-XE9WKUAW CU-XE9WKUA CS-XE12WKUAW CU-XE12WKUA INDOOR OUTDOOR LIQUID EXPANSION SIDE MUFFLER VALVE STRAINER 2-WAY PROCESS PIPE VALVE TUBE TEMP. SENSOR 2 TEMP. HEAT SENSOR EXCHANGER INTAKE (CONDENSER) TEMP. PIPE SENSOR TEMP. SENSOR 1 PIPE TEMP. SENSOR HEAT EXCHANGER...
  • Page 28 CS-XE15WKUAW CU-XE15WKUA INDOOR OUTDOOR LIQUID EXPANSION SIDE VALVE STRAINER 2-WAY PROCESS PIPE VALVE TUBE TEMP. SENSOR 2 TEMP. HEAT SENSOR EXCHANGER INTAKE (CONDENSER) TEMP. PIPE SENSOR TEMP. SENSOR 1 PIPE TEMP. SENSOR HEAT EXCHANGER (EVAPORATOR) SIDE 4-WAYS VALVE 3-WAY RECEIVER VALVE COMPRESSOR TEMP.
  • Page 29 CS-XE18WKUAW CU-XE18WKUA CS-XE24WKUAW CU-XE24WKUA INDOOR OUTDOOR LIQUID EXPANSION SIDE MUFFLER VALVE STRAINER 2-WAY PROCESS PIPE VALVE TUBE TEMP. SENSOR 2 TEMP. HEAT SENSOR EXCHANGER INTAKE (CONDENSER) TEMP. PIPE SENSOR TEMP. SENSOR 1 PIPE TEMP. SENSOR HEAT EXCHANGER (EVAPORATOR) SIDE 4-WAYS VALVE 3-WAY RECEIVER VALVE...
  • Page 30 7. Block Diagram CS-XE9WKUAW CU-XE9WKUA CS-XE12WKUAW CU-XE12WKUA...
  • Page 31 CS-XE15WKUAW CU-XE15WKUA CS-XE18WKUAW CU-XE18WKUA CS-XE24WKUAW CU-XE24WKUA...
  • Page 32 8. Wiring Connection Diagram Indoor Unit 8.1.1 CS-XE9WKUAW CS-XE12WKUAW CS-XE15WKUAW...
  • Page 33 8.1.2 CS-XE18WKUAW CS-XE24WKUAW...
  • Page 34 Outdoor Unit 8.2.1 CU-XE9WKUA CU-XE12WKUA YELLOW SINGLE PHASE (YLW) POWER SUPPLY TO INDOOR UNIT REACTOR REMARKS TERMINAL BLUE : BLUE (BLU) (RED) : BLACK BOARD : WHITE TRADEMARK RAT2 RAT1 : RED (GRY) (GRY) : YELLOW COMPRESSOR TERMINAL DATA : GRAY (RED) THE PARENTHESIZED : GREEN...
  • Page 35 8.2.2 CU-XE15WKUA REMARKS BLU : BLUE REACTOR BLK : BLACK SINGLE PHASE TO INDOOR UNIT POWER SUPPLY WHT : WHITE (BLK) (WHT) (RED) RED : RED YEL : YELLOW L2-I L2-O GRY : GRAY (GRY) (GRY) TERMINAL ELECTRONIC GRN : GREEN (BLK) (WHT) (RED)
  • Page 36 8.2.3 CU-XE18WKUA CU-XE24WKUA REACTOR REMARKS BLU : BLUE SINGLE PHASE TO INDOOR UNIT BLK : BLACK POWER SUPPLY WHT : WHITE (BLK) (WHT) (RED) RED : RED YEL : YELLOW GRY : GRAY TERMINAL GROUNDING L2-I L1-O L1 L2 GRN : GREEN (BLK) (WHT) (RED)
  • Page 37 9. Electronic Circuit Diagram Indoor Unit 9.1.1 CS-XE9WKUAW CS-XE12WKUAW CS-XE15WKUAW ELECTRONIC CONTROLLER (WIFI MODULE) 1 CN–WLAN (BLK) GR GR CN–WLAN CN–RMT (WHT) (WHT) *F301 *C45 R405 *R406 2.2k C401 *C47 *C49 1µ *C402 *C403 *C56 *C57 1000p 1000p 5.1V HIGH VOLTAGE POWER SUPPLY –...
  • Page 38 9.1.2 CS-XE18WKUAW CS-XE24WKUAW *F303 12V_1 *Q18 500mA -20V *C65 *R108 NANOE (WHT) (WHT) GENERATOR *R109 CN – NANO *Q21 (YLW) 4.7k *Q20 100mA *R93 *C401 4.7k 5V_3 100mA 5V_3 CN–WLAN (BLK) *C400 ELECTRONIC *R401 *R406 CN–WLAN CONTROLLER *R405 NONE (WHT) (SUB) *C403 *C402...
  • Page 39 Outdoor Unit 9.2.1 CU-XE9WKUA CU-XE12WKUA SINGLE PHASE POWER SUPPLY TO INDOOR UNIT REACTOR TERMINAL BOARD RAT2 RAT1 (GRY) (GRY) DATA (RED) COMMUNICATION CN–TH1 CIRCUIT NOISE FILTER (WHT) OUTDOOR AIR TEMP. SENSOR (THERMISTOR) CIRCUIT AC-BLK FUSE 5 (BLK) (20A 250V) t° FUSE 8 FUSE 6 FUSE 1...
  • Page 40 9.2.2 CU-XE15WKUA REACTOR SINGLE PHASE TO INDOOR UNIT POWER SUPPLY (BLK) (WHT) (RED) L2-I L2-O (GRY) (GRY) TERMINAL ELECTRONIC (BLK) (WHT) (RED) BOARD CONTROLLER COMMUNICATION COM3 CIRCUIT (RED) FUSE3 FUSE2 (20A. 250V) (T3.15A L250V) SWITCHING AC-BLK POWER RECTIFICATION (BLK) NOISE FILTER SUPPLY AC-WHT (WHT) CIRCUIT...
  • Page 41 9.2.3 CU-XE18WKUA CU-XE24WKUA REACTOR SINGLE PHASE TO INDOOR UNIT POWER SUPPLY (BLK) (WHT) (RED) TERMINAL GROUNDING L2-I L1-O L1 L2 (BLK) (WHT) (RED) BOARD TERMINAL (GRY) (BLK) ELECTRONIC CONTROLLER COMMUNICATION COM3 CIRCUIT (RED) FUSE3 FUSE2 (T3.15A L250V) (25A, 250V) SWITCHING AC-BLK POWER RECTIFICATION...
  • Page 42 10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board 10.1.1.1 CS-XE9WKUAW CS-XE12WKUAW CS-XE15WKUAW CN-HT CN-FM CN-CNT CN-TH CN-STM2 CN-NANO CN-STM1 CN-STM3 CN-DISP CN-RMT CN-RCV CN-WLAN JP1 (Random Auto Restart enable/disable)
  • Page 43 10.1.1.2 CS-XE18WKUAW CS-XE24WKUAW CN-FM CN-HT CN-CNT CN-STM2 CN-STM3 CN-DATA1 CN-STM1 CN-RMT CN-DATA3 CN-TH CN-DISP CN-RCV JP1 (Random Auto Restart enable/disable)
  • Page 44 Indicator Printed Circuit Board 10.1.2.1 CS-XE9WKUAW CS-XE12WKUAW CS-XE15WKUAW LED201 LED202 LED203 LED204 LED205 LED206 CN-DISP 10.1.2.2 CS-XE18WKUAW CS-XE24WKUAW LED201 LED202 LED203 LED204 LED205 LED206 CN-DISP 10.1.3 Receiver Printed Circuit Board (CS-XE9WKUAW CS-XE12WKUAW CS-XE15WKUAW) CN-RCV 10.1.4 Sub Printed Board (CS-XE18/24WKUAW) CN-WLAN CN-NANO CN-101 CN-103...
  • Page 45 10.1.5 Nanoe X Printed Circuit Board...
  • Page 46 10.2 Outdoor Unit 10.2.1 Main Printed Circuit Board 10.2.1.1 CU-XE9WKUA CU-XE12WKUA POWER TRANSISTOR (IPM) CN-MTR1 CN-STM1 CN-TH1 CN-HOT CN-TANK AC-WHT AC-BLK...
  • Page 47 10.2.2 CU-XE15WKUA CU-XE18WKUA CU-XE24WKUA POWER TRANSISTOR (IPM) CURRENT TRANSFORMER (CT) CN-HOT CN-DCFM CN-TANK CN-EV CN-TH1 AC-WHT AC-BLK...
  • Page 48 11. Installation Instruction CS-XE9/12/15WKUAW CU-XE9/12/15WKUA 11.1 Select the Best Location 11.1.3 Indoor/Outdoor Unit Installation Diagram 11.1.1 Indoor Unit  Do not install the unit in excessive oil fume area Piping direction Do not bend up (Front side) drain hose such as kitchen, workshop and etc. Right ...
  • Page 49 11.2 Indoor Unit The mounting wall shall be strong and solid enough to prevent it from vibration. Wall Wall Wall More than More than More 2 screw than " (128 mm) DISTANCE TO PIPE HOLE CENTER 128 mm " " (241.5 mm) (241.5 mm) Installation...
  • Page 50 11.2.2 Indoor Unit Installation Use shock absorber Do not turn over the unit during pulling out without it’s shock absorber the piping to protect during pulling out the piping. the intake grille from It may cause intake grille damage. damage. Piping Piping Shock absorber...
  • Page 51 Replace the drain hose Rear view for left piping installation Connection cable Piping Drain hose More than 37 " (950 mm) Connection cable Drain hose Drain hose Drain cap Sleeve for piping hole Adjust the piping slightly downwards. • • How to insert the connection cable How to pull the piping and drain hose out, in case and drain hose in the case of left...
  • Page 52 11.2.3 Connect the Cable to the Indoor Unit The inside and outside connection cable can be connected without removing the front grille. Conduit Unscrew the conduit cover and fix the conduit Connector Conduit Cover connector to conduit cover with lock nut, then Lock Nut secure it against chassis.
  • Page 53 11.3 Outdoor Unit 11.3.1 Install the Outdoor Unit  After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally with a bolt nut ø13/32" (ø10 mm). When installing at roof, please consider strong wind and earthquake.
  • Page 54 11.3.3 Evacuation of the Equipment WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. Liquid side Indoor unit Two-way valve Outdoor unit Close Gas side Three-way valve Close Vacuum pump Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way...
  • Page 55 XE15**** 10 After completing wiring connections, reattach Remove control board cover (Resin and the particular plate and control board cover Metal). (metal and resin) to the original position with Remove particular plate. the screws. Remove plugs. 11 For wire stripping and connection Fix the conduit connectors to the knockout requirement, refer to instruction 11.2.3 of holes with lock-nuts, then secure them against...
  • Page 56 11.3.5.1 Cutting and flaring the piping Please cut using pipe cutter and then remove the burrs. Remove the burrs by using reamer. If burrs are not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. Please make flare after inserting the flare nut onto the copper pipes.
  • Page 57 12. Installation Instruction CS-XE18/24WKUAW CU-XE18/24WKUA 12.1 Select the Best Location 12.1.3 Indoor/Outdoor Unit Installation Diagram 12.1.1 Indoor Unit  Do not install the unit in excessive oil fume area Piping direction Do not bend up (Front side) drain hose such as kitchen, workshop and etc. Right ...
  • Page 58 12.2 Indoor Unit The mounting wall shall be strong and solid enough to prevent it from vibration. Ceiling Wall Wall More than More than Indoor unit More screw than " (128 mm) " " (256 mm) (256 mm) Measuring Installation plate Tape For best strength of "...
  • Page 59 12.2.2 Indoor Unit Installation • Do not turn over the unit without it ’ s shock absorber during pull out the piping. It may cause intake grille damage. • Use shock absorber during pull out the piping to protect the intake grille from damage. Piping Piping Shock absorber...
  • Page 60 Exchange the drain hose and the cap Rear view for left piping installation 80mm T HOLE C Connection cable PIPE HOLE CENTER 80mm TO HOLE CENTER Piping More than 45 " (1150 mm) Drain hose Connection cable Drain hose Drain hose Adjust the piping Drain cap Sleeve for piping hole...
  • Page 61 12.2.3 Connect the Cable to the Indoor Unit The inside and outside connection cable can be connected without removing the front grille. Conduit Connector Unscrew the conduit cover and fix the conduit connector to conduit cover with lock nut, then Conduit Cover secure it against chassis.
  • Page 62 12.3 Outdoor Unit 12.3.1 Install the Outdoor Unit  After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally with a bolt nut ø13/32" (ø10 mm). When installing at roof, please consider strong wind and earthquake.
  • Page 63 12.3.3 Evacuation of the Equipment WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. Liquid side Indoor unit Two-way valve Outdoor unit Close Gas side Three-way valve Close Vacuum pump Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way...
  • Page 64  Earth lead wire shall be Yellow/Green (Y/G) in WARNING colour and should be longer than other lead wires This equipment must be properly earthed. as shown in the figure for electrical safety in case of slipping. Connecting wires Terminal Terminal Control Board Board...
  • Page 65 13. Operation Control 13.1 Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting.
  • Page 66 13.1.5 Automatic Operation  This mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode and indoor intake air temperature.  During operation mode judgment, indoor fan motor (with speed of Lo-) is running for 30 seconds to detect the indoor intake air temperature.
  • Page 67 ii. Auto Fan Speed [Cooling, Dry]  According to room temperature and setting temperature, indoor fan speed is determined automatically.  When set temperature is not achieved, the indoor fan will operate according to pattern below. [1 pattern : 10 s] Speed Higher Medium...
  • Page 68 Control of airflow direction can be automatic (angles of direction is determined by operation mode, heat exchanger temperature and intake air temperature) and manual (angles of direction can be adjusted using remote control). 13.4.1 Vertical Airflow 13.4.1.1 CS-XE9WKUAW CS-XE12WKUAW CS-XE15WKUAW Upper Vane Angle (°) Lower Vane Angle (°) Operation Mode Airflow Direction Auto with Heat...
  • Page 69 13.4.1.2 CS-XE18WKUAW CS-XE24WKUAW Inner Vane Angle (°) Outer Vane Angle (°) Operation Mode Airflow Direction Auto 140 ~ 90 47 ~ 74 Cooling Manual Auto 140 ~ 90 47 ~ 74 Soft Dry Manual Auto Heating Manual 1. Automatic vertical airflow direction can be set using remote control; the vane swings up and down within the angles as stated above.
  • Page 70 13.4.2 Horizontal Airflow  Automatic horizontal airflow direction can be set using remote control; the vane swings left and right within the angles as stated below. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as Figure 1 below.
  • Page 71 13.7.1 ON Timer Control  ON timer 1 and ON timer 2 can be set using remote control, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable environment when reaching the set ON time. ...
  • Page 72 13.11 nanoe™ X Operation  Generate nanoe™ X (water wrapped ion particle) to moisturize skin, provide deodorization & sterilization effect.  nanoe™ X operation start condition During unit running at any operation mode, if nanoe™ X operation is activated, combination operation (operation mode + nanoe™...
  • Page 73  nanoe™ X check mode To enable nanoe™ X check mode, during nanoe™ X operation ON: Normal display mode Press SW (t ≥ 0 secs) When SW pressed continu ously for t ≥ 5 secs to enter service zone and press SW’s to choose functio n 57 Transmit “NANOE™...
  • Page 74 However, there is no guarantee that the APP will work well with all Android OS version.  The Network Adaptor is designed specifically as a terminal for Panasonic Comfort Cloud app.  The Wireless LAN network coverage must reach the air conditioner installation location.
  • Page 75 13.12.4 To Disconnect Wireless LAN (Off Wireless LAN LED)  Press and release one time at the Remote Control Wireless LAN button and the LED will turn off. (LED ON -> LED OFF). 13.12.5 To Delete Wireless LAN Information  If Wireless LAN is off (LED is Off), turn on Wireless LAN first by press and release one time the Wireless LAN button.
  • Page 76 13.13 Electric Heater Control 1  Starting condition When all condition (1+2+3+4+5+6+7) are fulfilled.  Operation ON  Indoor Heating mode  Thermostat ON  Temperature different control Temp difference (Remote controller setting - When air conditioning is Intake air temperature) switched ON Heater ON ON by...
  • Page 77 13.14 Electric Heater Control 2  During Error happened, air conditioning unit will stop operation, TIMER LED will blink and indoor vane closed.  Electric heater can be switch ON when fullfill the starting condition as follow except 2 errors. H14 (Indoor intake air temperature sensor abnormality) H19 (Indoor fan motor mechanism lock) ...
  • Page 78 14. Protection Control 14.1 Protection Control For All Operations 14.1.1 Restart Control (Time Delay Safety Control)  The Compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing OFF/ON button at remote control within this period. ...
  • Page 79 14.1.4 Compressor Overheating Prevention Control  Instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below.  If compressor discharge temperature exceeds 224.6°F (107°C), compressor will be stopped, occurs 4 times per 20 minutes, timer LED will be blinking.
  • Page 80 14.2 Protection Control For Cooling & Soft Dry Operation 14.2.1 Outdoor Air Temperature Control  The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below.  This control will begin 1 minute after the compressor starts. ...
  • Page 81 14.2.5 Dew Prevention Control 1  To prevent dew formation at indoor unit discharge area.  This control will be activated if: Outdoor air temperature and Indoor pipe temperature judgment by microcontroller is fulfilled. When Cooling or Dry mode is operated more than 20 minutes or more. ...
  • Page 82 14.3.5 Cold Draught Prevention Control  When indoor pipe temperature is low, cold draught operation starts where indoor fan speed will be reduced. 14.3.6 Deice Operation  When outdoor pipe temperature and outdoor air temperature is low, deice operation start where indoor fan motor and outdoor fan motor stop and operation LED blinks.
  • Page 83 15. Servicing Mode 15.1 Auto OFF/ON Button Auto OFF/ON Auto OFF/ON Auto OFF/ON Auto OFF/ON Button pressed Button pressed Button pressed Button pressed 5 sec 5 sec 5 sec Auto Operation Test Run Operation Stop Normal Cooling Operation Stop Test Run Operation Stop (Forced cooling operation) (Forced heating operation)
  • Page 84 REMOTE CONTROL RECEIVING SOUND OFF/ON MODE The Remote Control Receiving Sound OFF/ON Mode will be activated if the Auto OFF/ON button is pressed continuously for more than 16 seconds (4 “beep” sounds will occur at 16th seconds to identify the Remote Control Receiving Sound Off/On Mode is in standby condition) and press “AC Reset”...
  • Page 85 15.3 Remote Control Button 15.3.1 SET Button  To check remote control transmission code and store the transmission code to EEPROM: Press “Set” button by using pointer. Press “Timer Set” button until a “beep” sound is heard as confirmation of transmission code changed. ...
  • Page 86 16. Troubleshooting Guide 16.1 Refrigeration Cycle System In order to diagnose malfunctions, make sure that there are no Normal Pressure and Outlet Air Temperature (Standard) electrical problems before inspecting the refrigeration cycle. Gas Pressure Outlet air Temperature Such problems include insufficient insulation, problem with the (kg/cm °F (°C) power source, malfunction of a compressor and a fan.
  • Page 87 16.1.1 Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Heating Mode Condition of the Electric current Electric current air conditioner Low Pressure High Pressure Low Pressure High Pressure during operation during operation Insufficient refrigerant ...
  • Page 88 16.2 Breakdown Self Diagnosis Function 16.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code)  When the latest abnormality code on the main Once abnormality has occurred during operation, unit and code transmitted from the remote the unit will stop its operation, and Timer LED controller are matched, power LED will light blinks.
  • Page 89 16.3 Error Codes Table Diagnosis Abnormality / Abnormality Protection Problem Check location display Protection control Judgment Operation No memory of failure — Normal operation — — Indoor fan only  Indoor/outdoor wire terminal Indoor/outdoor operation can Indoor/outdoor After operation for ...
  • Page 90 Diagnosis Abnormality / Abnormality Protection Problem Check location display Protection control Judgment Operation  Check indoor heat exchanger Indoor high pressure Indoor high pressure  Air filter dirty — — protection protection (Heating)  Air circulation short circuit  Check indoor heat exchanger Indoor operating unit Indoor freeze protection ...
  • Page 91 16.4 Self-diagnosis Method 16.4.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions  During startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction Caused  Faulty indoor unit PCB.
  • Page 92 16.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched) Malfunction Decision Conditions  During startup, error code appears when different types of indoor and outdoor units are interconnected. Malfunction Caused  Wrong models interconnected.  Wrong indoor unit or outdoor unit PCBs mounted. ...
  • Page 93 16.4.3 H14 (Indoor Intake Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 94 16.4.4 H15 (Compressor Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.  Faulty sensor.
  • Page 95 16.4.5 H16 (Outdoor Current Transformer) Malfunction Decision Conditions  An input current, detected by Current Transformer CT, is below threshold value when the compressor is operating at certain frequency value for 3 minutes. Malfunction Caused  Lack of gas  Broken CT (current transformer) ...
  • Page 96 16.4.6 H19 (Indoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor (feedback of rotation > 2550rpm or < 50rpm) Malfunction Caused ...
  • Page 97 16.4.7 H23 / H24 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.
  • Page 98 16.4.8 H27 (Outdoor Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 99 16.4.9 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 100 16.4.10 H30 (Compressor Discharge Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 101 16.4.11 H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.
  • Page 102 16.4.12 H33 (Unspecified Voltage between Indoor and Outdoor) Malfunction Decision Conditions  The supply power is detected for its requirement by the indoor/outdoor transmission. Malfunction Caused  Wrong models interconnected.  Wrong indoor unit and outdoor unit PCBs used.  Indoor unit or outdoor unit PCB defective.
  • Page 103 16.4.13 H36 (Outdoor Gas Pipe Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 104 16.4.14 H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 105 16.4.15 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) (CU-XE9 ~ 12WKUA) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor. Malfunction Caused  Operation stops due to short circuit inside the fan motor winding. ...
  • Page 106 16.4.16 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) (CU-XE15 ~ 24WKUA) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor. Malfunction Caused  Operation stops due to short circuit inside the fan motor winding. ...
  • Page 107 16.4.17 H98 (Error Code Stored in Memory and no alarm is triggered / no TIMER LED flashing) Malfunction Decision Conditions  Indoor high pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation. ...
  • Page 108 16.4.18 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions  Freeze prevention control takes place (when indoor pipe temperature is lower than 35.6°F (2°C)) Malfunction Caused ...
  • Page 109 16.4.19 F11 (4-way Valve Switching Failure) Malfunction Decision Conditions  When indoor heat exchanger is cold during heating (except deice) or when indoor heat exchanger is hot during cooling and compressor operating, the 4-way valve is detected as malfunction. Malfunction Caused ...
  • Page 110 16.4.20 F17 (Indoor Standby Units Freezing Abnormality) Malfunction Decision Conditions  When the different between indoor intake air temperature and indoor pipe temperature is above 50°F (10°C) or indoor pipe temperature is below 30.2°F (-1.0°C). Remark: When the indoor standby unit is freezing, the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit(s).
  • Page 111 16.4.21 F90 (Power Factor Correction Protection) Malfunction Decision Conditions  To maintain DC voltage level supply to power transistor.  To detect high DC voltage level after rectification. Malfunction Caused  During startup and operation of cooling and heating, when Power Factor Correction (PFC) protection circuitry at the outdoor unit main PCB senses abnormal DC voltage level for power transistors.
  • Page 112 16.4.22 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions  The input current is low while the compressor is running at higher than the setting frequency. Malfunction Caused  Lack of gas.  3-way valve close. Troubleshooting When F91 indication happens. For safety reason and to prevent component breakdown, always switch Caution...
  • Page 113 16.4.23 F93 (Compressor Rotation Failure) Malfunction Decision Conditions  A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit. Malfunction Caused  Compressor terminal disconnect  Faulty Outdoor PCB  Faulty compressor Troubleshooting When F93 indication happens.
  • Page 114 16.4.24 F95 (Outdoor High Pressure Protection: Cooling or Soft Dry) Malfunction Decision Conditions  During operation of cooling or soft dry, when outdoor unit heat exchanger high temperature data is detected by the outdoor unit heat exchanger thermistor. Malfunction Caused ...
  • Page 115 16.4.25 F96 (IPM Overheating) Malfunction Decision Conditions  During operating of cooling and heating, when IPM temperature data 212°F (100°C) is detected by the IPM temperature sensor. Multi Models only Compressor Overheating: During operation of cooling and heating, when the compressor OL is activated. Heat Sink Overheating: During operation of cooling and heating, when heat sink temperature data 194°F (90°C) is detected by the heat sink temperature sensor.
  • Page 116 16.4.26 F97 (Compressor Overheating) Malfunction Decision Conditions  During operation of cooling and heating, when compressor tank temperature data 233.6°F (112°C) is detected by the compressor tank temperature sensor. Malfunction Caused  Faulty compressor tank temperature sensor  2/3 way valve closed ...
  • Page 117 16.4.27 F98 (Input Over Current Detection) Malfunction Decision Conditions  During operation of cooling and heating, when an input over-current (X value in Total Running Current Control) is detected by checking the input current value being detected by current transformer (CT) with the compressor running.
  • Page 118 16.4.28 F99 (DC Peak Detection) Malfunction Decision Conditions During startup and operation of cooling and heating, when inverter DC peak data is received by the outdoor internal DC Peak sensing circuitry. Malfunction Caused  DC current peak due to compressor failure. ...
  • Page 119 High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 17.1 CS-XE9WKUAW CS-XE12WKUAW CS-XE15WKUAW 17.1.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 17.1.1.1...
  • Page 120 17.1.1.2 To Remove Electronic Controller 3 Hooks (Top, left & right side) 5. Remove the control board cover by releasing the 3 hooks. Figure 3 6. Detach the earth wire screw, terminal wire (Brown), terminal wire (Grey), terminal wire (Black), terminal wire (White), 10.
  • Page 121 17.1.1.3 To Remove Discharge Grille HVU unit 11. Remove the screw and pull out the HVU unit. Network adapter 12. Remove the network adapter box by releasing the hook. Figure 6 13. Pull out and remove the drain hose from the discharge grille. 14.
  • Page 122 17.1.1.5 To Remove Cross Flow Fan and Indoor Fan Motor Figure 9 Figure 10 Figure 11...
  • Page 123 Figure 12...
  • Page 124 WARNING High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 17.2 CS-XE18WKUAW CS-XE24WKUAW 17.2.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 17.2.1.1 To Remove Front Grille...
  • Page 125 CN-FM 9. Detach all connectors CN-HT from main electronic CN-CNT controller and sub. CN-STM2 CN-STM3 CN-DATA1 CN-STM1 CN-RMT CN-WLAN CN-NANO CN-DATA3 CN-TH CN-DISP CN-RCV CN-101 CN-103 Figure 4 Figure 5 17.2.1.3 To Remove Discharge Grille 10. Remove the screw and pull out the HVU unit.
  • Page 126 17.2.1.4 To Remove Control Board 14. Remove the 4 screws holding the control board then pull out the control board. Figure 8 17.2.1.5 To Remove Cross Flow Fan and Indoor Fan Motor 15. Remove the screw that holding the cross flow fan and fan motor axis. Figure 9 Holdfast 17.
  • Page 127 18. Push the holdfast to the left and lift up the evaporator. Evaporator 19. Remove the cross flow fan from the unit 20. Fan motor can be removed after by pulling it to the left and downward. the removal of cross flow fan. Reminder: To reinstall the fan motor, please adjust the connector to 45°...
  • Page 128 Unclip & pull down Remove the top casing by pressing the side of the network adapter box. Press Press After that, network adapter can be easily replaced. Reminder: Serviceman or owner must setting again Panasonic Comfort Cloud app after replace Wireless LAN Module.
  • Page 129 17.3 Outdoor Electronic Controller Removal Procedure 17.3.1 CU-XE9WKUA CU-XE12WKUA Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 5 screws of the Top Panel. Remove the Control Board as follows: Fig. 4 Fig. 1 Remove the 8 screws of the Front Panel. Fig.
  • Page 130 17.3.2 CU-XE15WKUA Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 4 screws of the Top Panel. Remove the Control Board. Screws Release the Hooks Top Panel Control Board Release 6 terminal Screws connectors Release 6 connectors Fig.4 Remove the 8 screws of the Electronic Fig.1...
  • Page 131 17.3.3 CU-XE18WKUA CU-XE24WKUA Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 4 screws of the Top Panel. Remove the Control Board. Fig.4 Remove the 8 screws of the Electronic Controller. Fig.1 Remove the 10 screws of the Front Panel. Fig.2 Fig.5 Remove the Top Cover of the Electronic...
  • Page 132 17.4 To Set Panasonic Comfort Cloud App. After Replace Main Printed Circuit Board and Wireless LAN Module 17.4.1 ‘Panasonic Comfort Cloud’ App Setting Procedure [ After Replace Main Printed Circuit Board] 17.4.1.1 Initial Setup My house My hous e Home...
  • Page 133 17.4.1.2 Setting Connection Network ConnectionGuide ConnectionGuide ConnectionGuide Step1 Step1 Step2 Step2 Step3 Step3 Step1 Step3 Step2 Step 1 Step 2 Step 3 Make sure smartphone is connected to same wireless network. The router supports WPS. When Wireless LAN LED is ON, tap “Next”. Connect with WPS mode Point the remote control to air - condi oner...
  • Page 134 5 seconds until “1” is shown on the remote control. Press until “2” is shown on the remote control and press pointing to the air conditioner. Join to connect “Panasonic-CS-wirelessAP” network. Connection Guide Connection Guide Connection Guide Connection Guide...
  • Page 135 When connection of air conditioner to router is successful, the Wireless LAN LED will changed from blinking to ON. If the Wireless LAN LED is ON, connect the smartphone to wireless router. (return to this application after completing the wireless network settings to continue the setup) •...
  • Page 136 Keep password for future used on helps identify it. additional user registration. ● By registered the new name of air conditioner, the function of “Panasonic Comfort Cloud” app is ready to be used. My house By registered the new name of air 16.May 15:50...
  • Page 137 17.4.2 ‘Panasonic Comfort Cloud’ App Setting Procedure [After Replace Wireless LAN Module] 17.4.2.1 Initial Setup (Method 1) My house My hous e Menu Home My Hous e Living room Living room Owner 30.0C 16.May 15:50 16.May 15:50 User list Bedroom 1...
  • Page 138 17.4.2.2 Initial Setup (Method 2) My house My hous e Home Menu My Hous e Living room Living room Owner 30.0C 16.May 15:50 16.May 15:50 User list Bedroom 1 Change password Cool Cool Replace device Change router settings Device list Group list Application settings User’s manual...
  • Page 139 17.4.2.3 Setting Connection Network ConnectionGuide ConnectionGuide ConnectionGuide Step1 Step1 Step2 Step2 Step3 Step3 Step1 Step2 Step3 Step 1 Step 3 Step 2 Make sure smartphone is connected to same wireless network. The router supports WPS. When Wireless LAN LED is ON, tap “Next”. Connect with WPS mode Point the remote control to air - condi oner...
  • Page 140 5 seconds until “1” is shown on the remote control. Press until “2” is shown on the remote control and press pointing to the air conditioner. Join to connect “Panasonic-CS-wirelessAP” network. Connection Guide Connection Guide Connection Guide Connection Guide...
  • Page 141 When connection of air conditioner to router is successful, the Wireless LAN LED will changed from blinking to ON. If the Wireless LAN LED is ON, connect the smartphone to wireless router. (return to this application after completing the wireless network settings to continue the setup) •...
  • Page 142 18.1 Cool Mode Performance Data Unit setting: Standard piping length, Hi Fan, Cool mode at 16°C (60.8°F) Voltage: 208V/230V 18.1.1 CS-XE9WKUAW CU-XE9WKUA Rated frequency (compressor speed is fixed during forced heating or cooling for capacity measurement and diagnosis purpose) Indoor (°C / °F) Outdoor (°C / °F)
  • Page 143 18.1.3 CS-XE15WKUAW CU-XE15WKUA Rated frequency (compressor speed is fixed during forced heating or cooling for capacity measurement and diagnosis purpose) Indoor (°C / °F) Outdoor (°C / °F) -20 (-4.0) -10 (14.0) 0 (32.0) 5 (41.0) 19 (66.2) 18093 15640 18074 15624 18052...
  • Page 144 18.1.5 CS-XE24WKUAW CU-XE24WKUA Rated frequency (compressor speed is fixed during forced heating or cooling for capacity measurement and diagnosis purpose) Indoor (°C / °F) Outdoor (°C / °F) -20 (-4.0) -10 (14.0) 0 (32.0) 5 (41.0) 19 (66.2) 29537 24727 1583 29508 24702...
  • Page 145 18.1.6 CS-XE9WKUAW CU-XE9WKUA Maximum Capacity Indoor (°C / °F) Outdoor (°C / °F) -20 (-4.0) -10 (14.0) 0 (32.0) 5 (41.0) 19 (66.2) 14769 13361 14754 13348 14735 13514 14695 13478 (80.6) 22 (71.6) 15605 9498 15590 9488 15743 9661...
  • Page 146 18.1.8 CS-XE15WKUAW CU-XE15WKUA Maximum Capacity Indoor (°C / °F) Outdoor (°C / °F) -20 (-4.0) -10 (14.0) 0 (32.0) 5 (41.0) 19 (66.2) 18513 16004 18495 15988 18472 16275 18421 15914 (80.6) 22 (71.6) 21237 13081 21216 13068 20224 12784 18864 11986 16 (60.8)
  • Page 147 18.1.10 CS-XE24WKUAW CU-XE24WKUA Maximum Capacity Indoor (°C / °F) Outdoor (°C / °F) -20 (-4.0) -10 (14.0) 0 (32.0) 5 (41.0) 19 (66.2) 33661 27566 1813 33627 27538 1791 33585 28033 1738 33492 27412 1722 (80.6) 22 (71.6) 38613 22532 1584 38574 22510...
  • Page 148 18.2 Heat Mode Performance Data Unit setting: Standard piping length, Hi Fan, Heat mode at 30°C (86°F) Voltage: 208V/230V 18.2.1 CS-XE9WKUAW CU-XE9WKUA Rated frequency (compressor speed is fixed during forced heating or cooling for capacity measurement and diagnosis purpose) Indoor (°C / °F) Outdoor (°C / °F)
  • Page 149 18.2.5 CS-XE24WKUAW CU-XE24WKUA Rated frequency (compressor speed is fixed during forced heating or cooling for capacity measurement and diagnosis purpose) Indoor (°C / °F) Outdoor (°C / °F) -26.1 (-14.98) -20 (-4.0) -8.3 (17.06) 1.7 (35.06) 8.3 (46.94) 12 (53.6) 23.9 (75.02) 24 (75.2) 9427...
  • Page 150 18.2.6 CS-XE9WKUAW CU-XE9WKUA Maximum Capacity Indoor (°C / °F) Outdoor (°C / °F) -26.1 (-14.98) -20 (-4.0) -8.3 (17.06) 1.7 (35.06) 8.3 (46.94) 12 (53.6) 23.9 (75.02) 24 (75.2) 4248 9623 1402 12367 1473 15653 1677 17360 1651 17207 1568...
  • Page 151 Unit setting: Standard piping length, forced cooling at 15.5°C (60°F), Hi fan  Compressor frequency: Rated for cooling operation  Piping Length: 7.5 m (24.6 ft)  Voltage: 208V/230V 19.1.1 CS-XE9WKUAW CU-XE9WKUA 65.0 (18.3) 64.0 (17.7) 63.0 (17.2) 62.0 (16.6) 61.0 (16.1) 60.0 (15.5) 59.0 (15.0) (-20.0)
  • Page 152 19.1.2 CS-XE12WKUAW CU-XE12WKUA 56.0 (13.3) 55.0 (12.7) 54.0 (12.2) 53.0 (11.6) 52.0 (11.1) 51.0 (10.5) (-20.0) (-14.4) (-8.8) (-3.3) (2.2) (7.7) (13.3) (18.8) (24.4) (30.0) (35.5) (41.1) (46.6) OutdoorAir Temperature (°F (°C)) 5.000 4.500 4.000 3.500 3.000 2.500 (-20.0) (-14.4) (-8.8) (-3.3) (2.2)
  • Page 153 19.1.3 CS-XE15WKUAW CU-XE15WKUA 60.0 (15.5) 59.0 (15.0) 58.0 (14.4) 57.0 (13.8) 56.0 (13.3) 55.0 (12.7) (-20.0) (-14.4) (-8.8) (-3.3) (2.2) (7.7) (13.3) (18.8) (24.4) (30.0) (35.5) (41.1) (46.6) OutdoorAir Temperature (°F (°C)) 7.000 6.500 6.000 5.500 5.000 4.500 4.000 3.500 (-20.0) (-14.4) (-8.8)
  • Page 154 19.1.4 CS-XE18WKUAW CU-XE18WKUA 60.0 (15.5) 59.0 (15.0) 58.0 (14.4) 57.0 (13.8) 56.0 (13.3) 55.0 (12.7) (-20.0) (-14.4) (-8.8) (-3.3) (2.2) (7.7) (13.3) (18.8) (24.4) (30.0) (35.5) (41.1) (46.6) OutdoorAir Temperature (°F (°C)) 8.000 7.500 7.000 6.500 6.000 5.500 5.000 4.500 4.000 (-20.0) (-14.4)
  • Page 155 19.1.5 CS-XE24WKUAW CU-XE24WKUA 56.0 (13.3) 55.0 (12.7) 54.0 (12.2) 53.0 (11.6) 52.0 (11.1) 51.0 (10.5) (-20.0) (-14.4) (-8.8) (-3.3) (2.2) (7.7) (13.3) (18.8) (24.4) (30.0) (35.5) (41.1) (46.6) OutdoorAir Temperature (°F (°C)) 12.500 12.000 11.500 11.000 10.500 10.000 9.500 9.000 8.500 8.000 7.500...
  • Page 156 Unit setting: Standard piping length, forced heating at 30°C (86°F), Hi fan  Compressor frequency: Rated for Heating operation  Piping Length: 7.5 m (24.6 ft)  Voltage: 208V/230V 19.2.1 CS-XE9WKUAW CU-XE9WKUA 115.0 (46.1) 110.0 (43.3) 105.0 (40.5) 100.0 (37.7) 95.0 (35.0) 90.0 (32.2) 85.0 (29.4) 80.0 (26.6)
  • Page 157 19.2.2 CS-XE12WKUAW CU-XE12WKUA 115.0 (46.1) 110.0 (43.3) 105.0 (40.5) 100.0 (37.7) 95.0 (35.0) 90.0 (32.2) 85.0 (29.4) 80.0 (26.6) 75.0 (23.8) 70.0 (21.1) 65.0 (18.3) (-26.1) (-20.5) (-15) (-9.4) (-3.8) (1.6) (7.2) (12.7) (18.3) (23.8) OutdoorAir Temperature (°F (°C)) 5.500 5.000 4.500 4.000...
  • Page 158 19.2.3 CS-XE15WKUAW CU-XE15WKUA 125.0 (51.6) 120.0 (48.8) 115.0 (46.1) 110.0 (43.3) 105.0 (40.5) 100.0 (37.7) 95.0 (35.0) 90.0 (32.2) 85.0 (29.4) 80.0 (26.6) 75.0 (23.8) 70.0 (21.1) (-26.1) (-20.5) (-15) (-9.4) (-3.8) (1.6) (7.2) (12.7) (18.3) (23.8) OutdoorAir Temperature (°F (°C)) 7.500 7.000 6.500...
  • Page 159 19.2.4 CS-XE18WKUAW CU-XE18WKUA 125.0 (51.6) 120.0 (48.8) 115.0 (46.1) 110.0 (43.3) 105.0 (40.5) 100.0 (37.7) 95.0 (35.0) 90.0 (32.2) 85.0 (29.4) 80.0 (26.6) 75.0 (23.8) 70.0 (21.1) (-26.1) (-20.5) (-15) (-9.4) (-3.8) (1.6) (7.2) (12.7) (18.3) (23.8) OutdoorAir Temperature (°F (°C)) 10.000 9.500 9.000...
  • Page 160 19.2.5 CS-XE24WKUAW CU-XE24WKUA 140.0 (60.0) 135.0 (57.2) 130.0 (54.4) 125.0 (51.6) 120.0 (48.8) 115.0 (46.1) 110.0 (43.3) 105.0 (40.5) 100.0 (37.7) 95.0 (35.0) 90.0 (32.2) 85.0 (29.4) 80.0 (26.6) 75.0 (23.8) (-26.1) (-20.5) (-15) (-9.4) (-3.8) (1.6) (7.2) (12.7) (18.3) (23.8) OutdoorAir Temperature (°F (°C)) 15.000...
  • Page 161 19.3 Piping Length Correction Factor The characteristic of the unit has to be corrected in accordance with the piping length. 19.3.1 CS-XE9WKUAW CU-XE9WKUA CS-XE12WKUAW CU-XE12WKUA 19.3.1.1 Cooling Capacity 1.05 1.03 1.01 0.99 0.97 0.95 (6.5) (9.8) (13.1) (16.4) (19.6) (22.9) (26.2)
  • Page 162 19.3.2 CS-XE15WKUAW CU-XE15WKUA 19.3.2.1 Cooling Capacity 1.03 1.01 0.99 0.97 0.95 (6.5) (9.8) (13.1) (16.4) (19.6) (22.9) (26.2) (29.5) (32.8) (36.0) (39.3) (42.6) (45.9) (49.2) (52.4) (55.7) (59.0) (62.3) (65.6) (68.8) Piping length m (ft) 19.3.2.2 Heating Capacity 1.02 1.01 1.00 0.99 0.98...
  • Page 163 19.3.3 CS-XE18WKUAW CU-XE18WKUA CS-XE24WKUAW CU-XE24WKUA 19.3.3.1 Cooling Capacity 1.02 1.01 1.00 0.99 0.98 0.97 0.96 0.95 0.94 (16.4) (32.8) (49.2) (65.6) (82.0) (98.4) (114.8) Piping length m (ft) 19.3.3.2 Heating Capacity 1.01 1.01 1.00 1.00 0.99 0.99 0.98 0.98 0.97 0.97 (16.4) (32.8)
  • Page 164 20. Exploded View and Replacement Parts List 20.1 Indoor Unit 20.1.1 CS-XE9WKUAW CS-XE12WKUAW CS-XE15WKUAW CS-XE15WKUAW CS-XE9WKUAW CS-XE12WKUAW Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 165 SAFETY PARTS REF. NO. PART NAME & DESCRIPTION CS-XE9WKUAW CS-XE12WKUAW REMARKS CHASSIS COMPLETE ACXD50C02810 ← PARTICULAR PIECE ← FAN MOTOR L6CBYYYL0212 ← CROSS-FLOW FAN COMPLETE ACXH02C01150 ← BEARING ASSY CWH64K1010 ← SCREW - CROSS-FLOW FAN CWH551146 ← EVAPORATOR ACXB30C00820 ACXB30C00830...
  • Page 166 SAFETY PARTS REF. NO. PART NAME & DESCRIPTION CS-XE9WKUAW CS-XE12WKUAW REMARKS OPERATING INSTRUCTION ACXF55-27121 ← INSTALLATION INSTRUCTION ACXF60-38950 ← INSTALLATION INSTRUCTION ACXF60-38960 ← SHOCK ABSORBER ACXG70-10660 ← SHOCK ABSORBER ACXG70-10670 ← CWG861515 ← C.C.CASE ACXG50-55910 ← MODEL LABEL ACXF85-34280 ACXF85-34290 (NOTE) ...
  • Page 167 SAFETY PARTS REF. NO. PART NAME & DESCRIPTION CS-XE15WKUAW REMARKS CHASSIS COMPLETE ACXD50C02810 PARTICULAR PIECE CWD933067 FAN MOTOR L6CBYYYL0212 CROSS-FLOW FAN COMPLETE ACXH02C01150 BEARING ASSY CWH64K1010 SCREW - CROSS-FLOW FAN CWH551146 EVAPORATOR ACXB30C02330 FLARE NUT (LIQUID) CWT251030 FLARE NUT (GAS) CWT251032 CLIP FOR SENSOR CWH32142...
  • Page 168 SAFETY PARTS REF. NO. PART NAME & DESCRIPTION CS-XE15WKUAW REMARKS OPERATING INSTRUCTION ACXF55-27121 INSTALLATION INSTRUCTION ACXF60-38950 INSTALLATION INSTRUCTION ACXF60-38960 SHOCK ABSORBER ACXG70-10660 SHOCK ABSORBER ACXG70-10670 CWG861515 C.C.CASE ACXG50-55910 MODEL LABEL ACXF85-34300 (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488). ...
  • Page 169 20.1.2 CS-XE18WKUAW CS-XE24WKUAW CWH 55025J CWH 55051J CS-XE18WKUAW CS-XE24WKUAW Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 170 SAFETY PARTS REF. NO. PART NAME & DESCRIPTION QTY. CS-XE18WKUAW CS-XE24WKUAW REMARKS CHASSIS COMPLETE ACXD50C01591 ← PARTICULAR PIECE ACXD93-10020 ← FAN MOTOR L6CBYYYL0335 ← CROSS-FLOW FAN COMPLETE CWH02C1136 ← BEARING ASSY CWH64K1010 ← SCREW - CROSS-FLOW FAN CWH551146 ← EVAPORATOR ACXB30C30900 ACXB30C30250 FLARE NUT (LIQUID)
  • Page 171 SAFETY PARTS REF. NO. PART NAME & DESCRIPTION QTY. CS-XE18WKUAW CS-XE24WKUAW REMARKS OPERATING INSTRUCTION ACXF55-27121 ← INSTALLATION INSTRUCTION ACXF60-39140 ← INSTALLATION INSTRUCTION ACXF60-39150 ← SHOCK ABSORBER - RIGHT ACXG70-01220 ← SHOCK ABSORBER - LEFT ACXG70-01230 ← ACXG86-00130 ← C.C.CASE ACXG50-55920 ←...
  • Page 172 20.2 Outdoor Unit 20.2.1 CU-XE9WKUA CU-XE12WKUA CU-XE9WKUAW CU-XE12WKUAW Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 173 V-COIL COMPLETE (4 WAY VALVE) ACXA43C00270 ← V-COIL COMPLETE (EXPENSION VALVE) ACXA43C01520 ← WIRE NET CWD041200A ← BAG-COMPLETE (L-TUBE) ACXH82C00350 ← BADGE -PANASONIC CWE373439 ← BADGE -INVERTER CWE373441 ← BASE BOARD-COMPLETE CWG62C1162 ← ACXG86-03760 ← SHOCK ABSORBER ( R ) CWG713415 ←...
  • Page 174 SAFETY PARTS REF. NO. PART NAME & DESCRIPTION QTY. CU-XE9WKUA CU-XE12WKUA REMARK SHOCK ABSORBER ( L ) CWG713416 ← C.C.CASE ACXG50-48900 ← MODEL LABEL ACXF85-26660 ACXF85-26670 (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock.
  • Page 175 20.2.2 CU-XE15WKUA CU-XE15WKUAW Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 176 REACTOR G0C203J00003 CONTROL BOARD COVER CWH131409 CONTROL BOARD COVER-COMPLETE CWH13C1308 EXPANSION VALVE ACXB05-00400 V-COIL COMPLETE (4 WAY VALVE) CWA43C2392 V-COIL COMPLETE (EXPENSION VALVE) ACXA43C01520 WIRE NET CWD041155A BAG-COMPLETE (L-TUBE) ACXH82C00350 BADGE -PANASONIC CWE373439 BADGE -INVERTER CWE373441 BASE BOARD-COMPLETE CWG62C1131 CWG861461...
  • Page 177 SAFETY PARTS REF. NO. PART NAME & DESCRIPTION QTY. CU-XE15WKUA REMARKS SHOCK ABSORBER ( R ) CWG713218 SHOCK ABSORBER ( L ) CWG713217 C.C.CASE ACXG50-52141 MODEL LABEL ACXF85-26680 (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488). ...
  • Page 178 20.2.3 CU-XE18WKUA CU-XE24WKUA CU-XE24WKUAW CU-XE18WKUAW Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 179 CWH131332 ← CONTROL BOARD COVER- CWH13C1210 ← COMPLETE EXPANSION VALVE CWB051029 ← RECEIVER CWB14030 ← V-COIL COMPLETE (4 WAY VALVE) CWA43C2392 ← V-COIL COMPLETE (EXPENSION ACXA43C01520 ← VALVE) WIRE NET CWD041128A ← BAG-COMPLETE (L-TUBE) ACXH82C00350 ← BADGE -PANASONIC CWE373439 ←...
  • Page 180 SAFETY PARTS REF. NO. PART NAME & DESCRIPTION QTY. CU-XE18WKUA CU-XE24WKUA REMARKS BADGE -INVERTER CWE373441 ← BASE BOARD-COMPLETE ACXG62C01990 ← CWG861154 ← SHOCK ABSORBER ( R ) CWG712879 ← SHOCK ABSORBER ( L ) CWG712880 ← C.C.CASE ACXG50-53221 ← MODEL LABEL ACXF85-26690 ACXF85-26700 (NOTE)

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