Panasonic CS-RE9SKUA Service Manual
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Panasonic CS-RE9SKUA Service Manual

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See also: Installation Manual
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.
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
AUTO
FAN
HEAT
SPEED
COOL
AIR
SWING
DRY
CS-RE9SKUA
FAN
OFF/ON
MODE
TEMP
TEMP
AIR SWING
CS-RE12SKUA
POWERFUL/
/
QUIET
FAN SPEED
TIMER
ON
SET
1
1
2
2
3
3
OFF
CANCEL
CS-RE18SKUA
AC
RC
SET CHECK CLOCK
CHE
RESET
CS-RE24SKUA
AUTO
FAN
HEAT
SPEED
COOL
DRY
AIR
SWING
FAN
OFF/ON
MODE
TEMP
POWERFUL/
/
AIR SWING
QUIET
FAN SPEED
TIMER
TIMER
ON
SET
1
1
2
2
3
3
OFF
OFF
CANCEL
CANCEL
AC
RC
SET CHECK CLOCK
RESET
WARNING
PRECAUTION OF LOW TEMPERATURE
Indoor Unit
Order No: PAPAMY1601005CE
Outdoor Unit
CU-RE9SKUA
CU-RE12SKUA
CU-RE18SKUA
CU-RE24SKUA
Destination
USA
Canada
© Panasonic Corporation 2016.

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Summary of Contents for Panasonic CS-RE9SKUA

  • Page 1 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 2016.

  • Page 2: Table Of Contents

    CS-RE12SKUA CU-RE12SKUA ....18   Disassembly and Assembly Instructions ... 104 CS-RE18SKUA CU-RE18SKUA       CS-RE24SKUA CU-RE24SKUA ....19   18.1 CS-RE9SKUA CS-RE12SKUA ....104     18.2 CS-RE18SKUA CS-RE24SKUA .... 108 Wiring Connection Diagram ......20        ...

  • Page 3: Safety Precautions

    1. Safety Precautions  Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing.  Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. ...
  • Page 4 WARNING 19. During installation, install the refrigerant piping properly before run 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.). 20.

  • Page 5: Specification

    2. Specification Indoor CS-RE9SKUA CS-RE12SKUA Model Outdoor CU-RE9SKUA CU-RE12SKUA Performance Test Condition Phase, Hz Single, 60 Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. 1.20 2.64 3.00 1.20 2.64 3.00 1.20 3.51 3.90...
  • Page 6 Indoor CS-RE9SKUA CS-RE12SKUA Model Outdoor CU-RE9SKUA CU-RE12SKUA Type Propeller Propeller Material Motor Type DC (8 poles) DC (8 poles) Input Power Output Power Speed C: 770 H: 750 C: 800 H: 830 Moisture Removal L/h (Pt/h) 0.5 (1.3) 1.1 (2.3) Cooling : 5.87 (207)
  • Page 7 Indoor CS-RE9SKUA CS-RE12SKUA Model Outdoor CU-RE9SKUA CU-RE12SKUA DRY BULB WET BULB DRY BULB WET BULB Maximum 89.6 / 32 73.4 / 23 89.6 / 32 73.4 / 23 Indoor Operation Range (Cooling) (°F / °C) Minimum 60.8 / 16 51.8 / 11 60.8 / 16...
  • Page 8 Indoor CS-RE18SKUA CS-RE24SKUA Model Outdoor CU-RE18SKUA CU-RE24SKUA Performance Test Condition Phase, Hz Single, 60 Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. 1.70 5.04 5.27 1.70 5.04 5.27 1.70 6.45 6.74 1.70 6.45 6.74 Capacity...
  • Page 9 Indoor CS-RE18SKUA CS-RE24SKUA Model Outdoor CU-RE18SKUA CU-RE24SKUA Type Propeller Propeller Material Motor Type DC Motor (8 poles) DC Motor (8 poles) Input Power Output Power Cooling : 720 Cooling : 740 Speed Heating : 700 Heating : 740 Moisture Removal L/h (Pt/h) 1.3 (2.7) 3.2 (6.8)
  • Page 10 Indoor CS-RE18SKUA CS-RE24SKUA Model Outdoor CU-RE18SKUA CU-RE24SKUA DRY BULB WET BULB DRY BULB WET BULB Maximum 89.6 / 32 73.4 / 23 89.6 / 32 73.4 / 23 Indoor Operation Range (Cooling) (°F / °C) Minimum 60.8 / 16 51.8 / 11 60.8 / 16 51.8 / 11 Maximum...

  • Page 11: Features

    3. Features  Inverter Technology Wider output power range Energy saving Quick Cooling More precise temperature control  Environment Protection Non-ozone depletion substances refrigerant (R410A)  Long Installation Piping CS/CU-RE9/12SK, long piping up to 65 feet (20 meters) CS/CU-RE18/24SK, long piping up to 100 feet (30 meters) ...

  • Page 12: Location Of Controls And Components

    4. Location of Controls and Components Indoor Unit Aluminium Fin Front Panel Air Filters Auto OFF/ON button • Use when remote control is misplaced or a malfunction occurs. Horizontal airflow Indicator direction louver • Manually adjustable. POWER (Green) (RE9SK and RE12SK). TIMER (Orange) Remote control...

  • Page 13: Dimensions

    5. Dimensions Indoor Unit 5.1.1 CS-RE9SKUA CS-RE12SKUA <Top View> <Side View> <Side View> Air intake <Front View> 8-7/16 direction 1/32~1/16 1/32~1/16 Air outlet 34-9/32 Left piping Right piping direction hole hole <Bottom View> Remote control 1-7/8 AUTO SPEED HEAT COOL...
  • Page 14 5.1.2 CS-RE18SKUA CS-RE24SKUA <Top View> <Side View> <Side View> <Front View> Air intake 9-15/32 direction 1/32~1/16 1/32~1/16 Air outlet 42-5/32 Left piping Right piping direction hole hole <Bottom View> Remote control 1-7/8 AUTO SPEED HEAT COOL SWING OFF/ON MODE TEMP POWERFUL/ AIR SWING QUIET...

  • Page 15: Outdoor Unit

    Outdoor Unit 5.2.1 CU-RE9SKUA CU-RE12SKUA <Top View> Space necessary for installation 2-5/8 30-23/32 (4-1/8) 4-1/8 2-3/8 22-1/2 3-7/8 3-7/8 39-3/8 2-way valve at Liquid side (High Pressure) Anchor Bolt Pitch 12-5/8 × 22-1/2 3-way valve at Gas side (Low Pressure) <Side View>...

  • Page 16: Refrigeration Cycle Diagram

    6. Refrigeration Cycle Diagram CU-RE9SKUA CU-RE12SKUA INDOOR OUTDOOR LIQUID DISCHARGE EXPANSION SIDE STRAINER MUFFLER VALVE 2-WAY VALVE PIPE PIPE TEMP. TEMP. SENSOR SENSOR INTAKE INTAKE TEMP. TEMP. SENSOR SENSOR HEAT EXCHANGER HEAT EXCHANGER (EVAPORATOR) (CONDENSER) SIDE 4-WAY VALVE 3-WAY VALVE COMPRESSOR TEMP.

  • Page 17: Cu-Re18Skua Cu-Re24Skua

    CU-RE18SKUA CU-RE24SKUA INDOOR OUTDOOR DISCHARGE LIQUID MUFFLER EXPANSION SIDE (RE18SKUA ONLY) VALVE STRAINER 2-WAY VALVE PIPE PIPE TEMP. TEMP. SENSOR 1 SENSOR INTAKE INTAKE TEMP. PIPE TEMP. SENSOR TEMP. SENSOR SENSOR 2 HEAT EXCHANGER HEAT EXCHANGER (EVAPORATOR) (CONDENSER) SIDE 4-WAY VALVE 3-WAY VALVE OIL SEPARATOR...

  • Page 18: Block Diagram

    7. Block Diagram CS-RE9SKUA CU-RE9SKUA CS-RE12SKUA CU-RE12SKUA...

  • Page 19: Cs-Re18Skua Cu-Re18Skua Cs-Re24Skua Cu-Re24Skua

    CS-RE18SKUA CU-RE18SKUA CS-RE24SKUA CU-RE24SKUA...

  • Page 20: Wiring Connection Diagram

    8. Wiring Connection Diagram Indoor Unit 8.1.1 CS-RE9SKUA CS-RE12SKUA TERMINAL BOARD AC306 (BLK) REMARKS : BLUE : PINK FUSE301 BR : BROWN O : ORANGE T3.15A L250V BL : BLACK : YELLOW W : WHITE G : GREEN TEMP. AC303 (WHT)
  • Page 21 8.1.2 CS-RE18SKUA CS-RE24SKUA TERMINAL BOARD AC306 (BLK) REMARKS : BLUE : PINK FUSE301 BR : BROWN O : ORANGE T3.15A L250V BL : BLACK : YELLOW W : WHITE G : GREEN TEMP. AC303 (WHT) R : RED Y/G : YELLOW/GREEN FUSE OUTDOOR NOISE FILTER...

  • Page 22: Outdoor Unit

    Outdoor Unit 8.2.1 CU-RE9SKUA CU-RE12SKUA TO INDOOR UNIT (BLK) (WHT) (RED) SINGLE PHASE POWER SUPPLY TERMINAL (BLK) (WHT) (RED) REACTOR BOARD RAT2 RAT1 (GRY) (GRY) FUSE104 OUTDOOR AIR TEMP. (15A 250V) DATA SENSOR (RED) (THERMISTOR) t° CN-TH NOISE (WHT) FILTER t°...
  • Page 23 8.2.2 CU-RE18SKUA CU-RE24SKUA TO INDOOR UNIT (BLK) (WHT) (RED) SINGLE PHASE POWER SUPPLY REMARKS BLU : BLUE BLK : BLACK WHT : WHITE RED : RED TERMINAL YLW : YELLOW GRY : GRAY REACTOR (BLK) (WHT) (RED) BOARD GRN : GREEN ORG : ORANGE YLW/GRN : YELLOW/GREEN L2-I...

  • Page 24: Electronic Circuit Diagram

    9. Electronic Circuit Diagram Indoor Unit 9.1.1 CS-RE9SKUA CS-RE12SKUA...
  • Page 25 9.1.2 CS-RE18SKUA CS-RE24SKUA...

  • Page 26: Outdoor Unit

    Outdoor Unit 9.2.1 CU-RE9SKUA CU-RE12SKUA TO INDOOR UNIT (BLK) (WHT) (RED) SINGLE PHASE POWER SUPPLY REACTOR TERMINAL (BLK) (WHT) (RED) BOARD RAT2 RAT1 (GRY) (GRY) C190 0.1μ IC12 ELECTRONIC EXPANSION CONTROLLER VALVE YLW/GRN CN-STM FUSE104 (15A 250V) DATA IC19 15.8k 15.0k (RED) OUTDOOR TEMP.
  • Page 27 9.2.2 CU-RE18SKUA CU-RE24SKUA TO INDOOR UNIT SINGLE PHASE (BLK) (WHT) (RED) POWER SUPPLY REACTOR TERMINAL (BLK) (WHT) (RED) BOARD L2-I L2-O (GRY) (GRY) CN-TANK COMP. TEMP. SENSOR R410 1μ (THERMISTOR) COM3 4.99k (50kΩ 3950) (RED) COMMUNICATION OUTDOOR AIR TEMP. CIRCUIT SENSOR YLW/GRN (THERMISTOR)

  • Page 28: Printed Circuit Board

    10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board CN-FM CN-RMT CN-STM2 (RE18/24SKUA only) CN-STM1 CN-MSENS CN-DISP CN-TH JP1 (Random Auto Restart enable/disable) 10.1.2 Indicator Printed Circuit Board CN-DISP...

  • Page 29: Outdoor Unit

    10.2 Outdoor Unit 10.2.1 Main Printed Circuit Board 10.2.1.1 CU-RE9SKUA CU-RE12SKUA POWER TRANSISTOR (IPM) CN-HOT CN-STM CN-TH CURRENT CN-TANK TRANSFORMER (CT) CN-MTR1 CN-MTR2 AC-BLK DATA AC-WHT...
  • Page 30 10.2.1.2 CU-RE18SKUA CU-RE24SKUA POWER TRANSISTOR (IPM) CURRENT TRANSFORMER (CT) CN-HOT CN-DCFM COM3 CN-TANK CN-EV CN-TH1 AC-WHT AC-BLK...

  • Page 31: Installation Instruction (Re9Skua And Re12Skua)

    11. Installation Instruction (RE9SKUA and RE12SKUA) 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 Indoor/Outdoor Unit Installation Diagram such as kitchen, workshop and etc. Piping direction Do not bend up ...

  • Page 32: Indoor Unit

    11.2 Indoor Unit 11.2.1 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent it from the vibration. Wall Wall Wall More than More than Indoor unit More than screw " (128 mm) " "...
  • Page 33 11.2.3 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 Intake grille...
  • Page 34 Replace the drain hose Rear view for left piping installation Connection cable Piping More than 37 " Drain hose (950 mm) Drain hose Connection Drain hose cable Drain cap Sleeve for piping hole Adjust the piping slightly downwards. • How to pull the piping and drain hose out, in case •...
  • Page 35 11.2.4 Connect the Cable to the Indoor Unit 1. The inside and outside connection cable can Conduit be connected without removing the front grille. Connector 2. Unscrew the conduit cover and fix the conduit connector to conduit cover with lock nut, then Conduit secure it against chassis.
  • Page 36 11.2.4.2 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 37: Outdoor Unit

    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 38 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 procedures. Liquid side Indoor unit Two-way valve Outdoor unit Close Gas side Three-way valve Close Vacuum pump 1.
  • Page 39 11.3.3.1 Connect the Cable to the Outdoor Unit 1. Remove Top panel. Top Panel 2. Remove Control Board Cover (Resin and Metal). Power 3. Remove Plugs. Supply 4. Fix the conduit connectors to the knockout Control Board Wires Metal Cover holes with lock-nuts, then secure them against Lock Nuts the side panel.

  • Page 40: Installation Instruction (Re18Skua And Re24Skua)

    12. Installation Instruction (RE18SKUA and RE24SKUA) 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 Indoor/Outdoor Unit Installation Diagram such as kitchen, workshop etc. Piping direction Do not bend up ...

  • Page 41: Indoor Unit

    12.2 Indoor Unit 12.2.1 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent it from the vibration. Wall Wall Wall More than More than Indoor unit More than screw " (128 mm) " "...
  • Page 42 12.2.3 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 Intake grille...
  • Page 43 Replace the drain hose Rear view for left piping installation Connection cable Piping More than 45 " Drain hose (1150 mm) Drain hose Connection Drain hose cable Drain cap Sleeve for piping hole Adjust the piping slightly downwards. • How to pull the piping and drain hose out, in case •...
  • Page 44 12.2.4 Connect the Cable to the Indoor Unit 1. The inside and outside connection cable can Conduit be connected without removing the front grille. Connector 2. Unscrew the conduit cover and fix the conduit connector to conduit cover with lock nut, then Conduit secure it against chassis.
  • Page 45 12.2.4.2 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 46: Outdoor Unit

    12.3 Outdoor Unit 12.3.1 Install the Outdoor Unit  After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut ø13/32" (ø10 mm). When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails.
  • Page 47 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 1.
  • Page 48 12.3.3.1 Connect the Cable to the Outdoor Unit Connecting wires 1. Remove control board cover (Resin and Control Board Metal). Cover (Metal) Control Board 2. Remove particular plate. Cover (Resin) Front 3. Remove plugs. Panel 4. Fix the conduit connectors to the knockout holes with lock-nuts, then secure them against Particular Plate...
  • Page 49 12.3.3.2 Piping Insulation 1. Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation Diagram. Please wrap the insulated piping end to prevent water from going inside the piping. 2. If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by using POLY-E FOAM with thickness 1/4"...

  • Page 50: Operation Control

    13. Operation Control 13.1 Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operation mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operation mode, the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting.

  • Page 51: Automatic Operation

    13.1.4.2 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 52: Indoor Fan Motor Operation

    13.3 Indoor Fan Motor Operation 13.3.1 Basic Rotation Speed (rpm)  Manual Fan Speed [Cooling, Dry] Fan motor’s number of rotation is determined according to remote control setting. Remote control ○ ○ ○ ○ ○ [Heating] Fan motor’s number of rotation is determined according to remote control setting. Remote control ○...

  • Page 53: Airflow Direction

    13.5 Airflow Direction  There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by vertical vanes).  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).

  • Page 54: Quiet Operation (Cooling Mode/Cooling Area Of Dry Mode)

    13.5.3 Horizontal Airflow (CU-RE18SKUA CU-RE24SKUA)  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 55: Quiet Operation (Heating)

    13.7 Quiet Operation (Heating)  Purpose To provide quiet heating operation compare to normal operation.  Control condition Quiet operation start condition  When “POWERFUL/QUIET” button at remote control is pressed. Quiet LED illuminates. Quiet operation stop condition When one of the following conditions is satisfied, quiet operation stops: ...

  • Page 56: Auto Restart Control

    13.10 Auto Restart Control  When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within three to four minutes (there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly) after power supply resumes.

  • Page 57: Protection Control (Re9Sk And Re12Sk)

    14. Protection Control (RE9SK and RE12SK) 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 58 14.1.5 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, compressor will be stopped, occurs 4 times per 20 minutes, timer LED will be blinking.

  • Page 59: Protection Control For Cooling & Soft Dry Operation

    14.2 Protection Control For Cooling & Soft Dry Operation 14.2.1 Outdoor Air Temperature Control  The maximum current value is regulated when the outdoor air temperature rise above 57.2°F in order to avoid compressor overloading. Compressor ON 101.3°F 99.5°F Compressor OFF Outdoor Air Temperature ...
  • Page 60 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 61 14.2.6.3 Overload Protection Control  The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below.  If the heat exchanger temperature exceeds 140.0°F, compressor will stop. 140°F Frequency Reduced 131°F Frequency Limited 120.2°F Frequency Limited Free 114.8°F...

  • Page 62: Protection Control (Re18Sk And Re24Sk)

    15. Protection Control (RE18SK and RE24SK) 15.1 Protection Control For All Operations 15.1.1 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 63: Protection Control For Cooling & Soft Dry Operation

    15.1.5 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 233.6°F, compressor will be stopped, occurs 4 times per 20 minutes, timer LED will be blinking.
  • Page 64  The compressor will be stopped at outdoor air temperature ≤ -4°F. The unit still operate within the temperature range. Compressor ON -0.4°F -4°F Compressor OFF Outdoor Air Temperature 15.2.2 Cooling Overload Control  Pipe temperature limitation / restriction. Detects the outdoor pipe temperature and carry out restriction / limitation below (Limit the compressor operation frequency) The compressor stops if outdoor pipe temperature exceeds 145.4°F.
  • Page 65 15.2.6 Protection Control For Heating Operation 15.2.6.1 Intake Air Temperature Control Compressor will operate at limited freq., if indoor intake air temperature is 86.0°F or above. 15.2.6.2 Outdoor Air Temperature Control  The Max current value is regulated when the outdoor air temperature rise above 57.2°F in order to avoid compressor overloading.

  • Page 66: Servicing Mode

    16. Servicing Mode 16.1 Auto Off/On Button Auto OFF/ON Auto OFF/ON Auto OFF/ON Button pressed Button pressed Button pressed 5 sec 5 sec Auto Operation Test Run Operation Stop Test Run Operation Stop (Forced Cooling Operation) (Forced Cooling Operation) Beep Beep x 2 AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto OFF/ON button is pressed.

  • Page 67: Cooling Only Operation

    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 16 seconds to identify the Remote Control Receiving Sound OFF/ON Mode is in standby condition) and press “AC Reset”...

  • Page 68: Remote Control Button

    16.3 Remote Control Button 16.3.1 SET Button  To check remote control transmission code and store the transmission code to EEPROM Press “Set” button continuously for 10 seconds by using pointer Press “Timer Set” button unit a “beep” sound is heard as confirmation of transmission code change. 16.3.2 RESET (RC) ...

  • Page 69: Troubleshooting Guide

    17. Troubleshooting Guide 17.1 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) power source, malfunction of a compressor and a fan.
  • Page 70 17.1.1 Relationship between the condition of the air conditioner and pressure and electric current n i l Condition of the air Electric current Electric current Low Pressure High Pressure Low Pressure High Pressure conditioner during operating during operating Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer...

  • Page 71: Breakdown Self Diagnosis Function

    17.2 Breakdown Self Diagnosis Function 17.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code)  Once error occurred during operation, the unit will stop its operation, and Timer LED blinks.  Although Timer LED goes off when power supply is turned off, if the unit is operated under a breakdown condition, the LED will ON again.

  • Page 72: Error Code Table

    17.3 Error Code Table Diagnosis Abnormality / Abnormality Protection Problem Check location display Protection control Judgement operation u l i — — — Indoor/outdoor After operation for Indoor fan only Indoor/outdoor • Indoor/outdoor wire terminal abnormal 1 minute operation can communication not establish •...
  • Page 73 Diagnosis Abnormality / Abnormality Protection Problem Check location display Protection control Judgement operation ECONAVI sensor Continuous for — ECOANVI sensor open or • ECONAVI sensor (defective or abnormality short circuit disconnected) • ECONAVI PCB Outdoor high pressure Continuous for 1 —...

  • Page 74: Self-Diagnosis Method

    17.4 Self-diagnosis Method 17.4.1 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 75 17.4.2 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 76 17.4.3 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 77 17.4.4 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 78 17.4.5 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 79 17.4.6 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 80 17.4.7 H23 (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 81 17.4.8 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 82 17.4.9 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 83 17.4.10 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 84 17.4.11 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 85 17.4.12 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 86 17.4.13 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 87 17.4.14 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 88 17.4.15 H59 (Human Activity Sensor Abnormality) Malfunction Decision Conditions  Feedback signal of human activity sensor. Malfunction Caused  Feedback signal is fixed at 0 VDC or 5 VDC continuously for 25 seconds during ECONAVI or AUTO COMFORT operation.  Feedback signal is detected during ECONAVI or AUTO COMFORT off.
  • Page 89 17.4.16 H70 (Light Sensor Abnormality) Malfunction Decision Conditions  Feedback signal of light sensor. Malfunction Caused  Feedback value is 0 VDC continuously. Troubleshooting When abnormality indication starts again. For safety reason and to prevent Check the connector connection: component breakdown, always switch Turn off the power.
  • Page 90 17.4.17 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) RE9SKUA/RE12SKUA 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 91 17.4.18 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) RE18SKUA/CU-RE24SKUA 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 92 17.4.19 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 93 17.4.20 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 2°C). Malfunction Caused ...
  • Page 94 17.4.21 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 95 17.4.22 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 or indoor pipe temperature is below 30.2°F 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 96 17.4.23 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 97 17.4.24 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 off the power before remove and...
  • Page 98 17.4.25 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 99 17.4.26 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 100 17.4.27 F96 (IPM Overheating) Malfunction Decision Conditions  During operating of cooling and heating, when IPM temperature data (212°F) 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) is detected by the heat sink temperature sensor.
  • Page 101 17.4.28 F97 (Compress or Overheating) Malfunction Decision Conditions  During operation of cooling and heating, when compressor tank temperature data (233.6°F) is detected by the compressor tank temperature sensor. Malfunction Caused  Faulty compressor tank temperature sensor  2/3 way valve closed ...
  • Page 102 17.4.29 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 103 17.4.30 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 104: Disassembly And Assembly Instructions

    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. 18.1 CS-RE9SKUA CS-RE12SKUA 18.1.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 18.1.1.1...
  • Page 105 18.1.1.3 To Remove Power Electronic Controller Detach connectors as labeled from the electonic controller. Then pull out Pull out the main main controller gently. electronic controller halfway. Detach the Earth wire screw. CN-FM CN-RMT Remove screw to remove terminal board complete and earth wire.

  • Page 106: To Remove Cross Flow Fan And Indoor Fan Motor

    18.1.1.5 To Remove Control Board 12. Remove the 4 screws holding the control board then pull out the control board. Figure 6 18.1.1.6 To Remove Cross Flow Fan and Indoor Fan Motor 13. Remove the screw that holding the cross flow fan and fan motor axis.
  • Page 107 16. Push the holdfast to the left and liftup the evaporator. Evaporator 18. Fan motor can be removed after the Cross flow fan removal of cross flow fan. Reminder: To reinstall the fan motor, adjust 17. Remove the cross flow fan from the unit by the fan motor connector 45°...

  • Page 108: Cs-Re18Skua Cs-Re24Skua

    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. 18.2 CS-RE18SKUA CS-RE24SKUA 18.2.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 18.2.1.1 To Remove Front Grille...
  • Page 109 CN-FM CN-RMT CN-STM2 CN-STM1 CN-MSENS CN-DISP CN-TH Figure 13 Figure 14 18.2.1.3 To Remove Discharge Grille Figure 15...
  • Page 110 18.2.1.4 To Remove Control Board Figure 16 18.2.1.5 To Remove Cross Flow Fan and Indoor Fan Motor Figure 17 Figure 18...
  • Page 111 Figure 19 Figure 20...

  • Page 112: Outdoor Electronic Controller Removal Procedure

    18.3 Outdoor Electronic Controller Removal Procedure 18.3.1 CU-RE9SKUA CU-RE12SKUA Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 3 screws of the Top Panel. Remove the Control Board as follows: Screw Top Panel Control Board Screws Release 3 Terminal Connectors and Earth Wire Screw Release 5•...
  • Page 113 18.3.2 CU-RE18SKUA CU-RE24SKUA Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 8 screws of the Top Panel. Remove the Control Board. Screws Release 7 Release the hooks Control board Screws terminal connectors Screws Release 8 connectors Fig.

  • Page 114: Technical Data

    Technical data provided are based on the air conditioner running under free frequency. 19.1 Cool Mode Performance Data Unit setting: Standard piping length, Hi Fan, Cool mode at 60.8°F Voltage: 230V 19.1.1 CS-RE9SKUA CU-RE9SKUA Indoor (°C / °F) Outdoor (°C / °F) -20 (-4) -10 (14) 0 (32) 5 (41) 19 (66.2)
  • Page 115 19.1.3 CS-RE18SKUA CU-RE18SKUA Indoor (°C / °F) Outdoor (°C / °F) -20 (-4) -10 (14) 0 (32) 5 (41) 19 (66.2) 6210 5368 1007 6203 5363 6196 5459 6179 5338 27 (80.6) 22 (71.6) 7123 4388 7116 4383 6784 4288 1008 6327 4020...

  • Page 116: Heat Mode Performance Data

    19.2 Heat Mode Performance Data Unit setting: Standard piping length, Hi Fan, Heat mode at 86°F Voltage: 230V 19.2.1 CS-RE9SKUA CU-RE9SKUA Indoor (°C / °F) Outdoor (°C / °F) -20 (-4) -8.3 (17.06) 1.7 (35.06) 8.3 (46.94) 12 (53.6) 23.9 (75.02) 24 (75.2)

  • Page 117: Service Data

    Service data provided are based on the air conditioner running under rated frequency during forced cooling / forced heating mode. 20.1 CS-RE9SKUA CU-RE9SKUA Rated frequency (compressor speed is fixed during forced cooling for capacity measurement and diagnosis purpose) Indoor (°C / °F) Outdoor (°C / °F)

  • Page 118: Cs-Re18Skua Cu-Re18Skua

    20.3 CS-RE18SKUA CU-RE18SKUA Rated frequency (compressor speed is fixed during forced cooling for capacity measurement and diagnosis purpose) Indoor (°C / °F) Outdoor (°C / °F) -20 (-4) -10 (14) 0 (32) 5 (41) 19 (66.2) 6210 5368 1007 6203 5363 6196 5459...

  • Page 119: Cs-Re9Skua Cu-Re9Skua

    20.5 CS-RE9SKUA CU-RE9SKUA Rated frequency (compressor speed is fixed during forced heating for capacity measurement and diagnosis purpose) Indoor (°C / °F) Outdoor (°C / °F) -20 (-4) -8.3 (17.06) 1.7 (35.06) 8.3 (46.94) 12 (53.6) 23.9 (75.02) 24 (75.2)

  • Page 120: Cool Mode Outdoor Air Temperature Characteristic

    - Indoor room temperature: 80°F Dry Bulb/67°F Wet Bulb - Unit setting: Standard piping length, forced cooling at 60.8°F, Hi fan - Compressor frequency: Rated for cooling operation - Piping length: 7.5m - Voltage: 208/230V 20.9.1 CS-RE9SKUA CU-RE9SKUA 208V/230V 64.900 64.400 63.900 63.400 62.900...
  • Page 121 20.9.2 CS-RE12SKUA CU-RE12SKUA 208V/230V 62.000 61.500 61.000 60.500 60.000 59.500 59.000 58.500 58.000 57.500 57.000 56.500 10 17 24 31 38 45 52 59 66 73 80 87 94 101 108 115 Outdoor Air Temperature (°F) 208V 230V 6.700 5.980 5.260 4.540 3.820...
  • Page 122 20.9.3 CS-RE18SKUA CU-RE18SKUA 208V/230V 66.500 65.300 64.100 62.900 61.700 60.500 59.300 58.100 56.900 55.700 54.500 53.300 10 17 24 31 38 45 52 59 66 73 80 87 94 101 108 115 Outdoor Air Temperature (°F) 208V 230V 7.000 6.440 5.880 5.320 4.760...
  • Page 123 20.9.4 CS-RE24SKUA CU-RE24SKUA 208V/230V 66.500 65.000 63.500 62.000 60.500 59.000 57.500 56.000 54.500 53.000 51.500 50.000 10 17 24 31 38 45 52 59 66 73 80 87 94 101 108 115 Outdoor Air Temperature (°F) 208V 230V 11.700 10.720 9.740 8.760 7.780...

  • Page 124: Heat Mode Outdoor Air Temperature Characteristic

    - Indoor room temperature: 68°F Dry Bulb/-°F Wet Bulb - Unit setting: Standard piping length, forced heating at 86°F, Hi fan - Compressor frequency: Rated for Heating operation - Piping length: 7.5m - Voltage: 208/230V 20.10.1 CS-RE9SKUA CU-RE9SKUA 208V/230V 99.500 97.500 95.500 93.500...
  • Page 125 20.10.2 CS-RE12SKUA CU-RE12SKUA 208V/230V 98.000 96.000 94.000 92.000 90.000 88.000 86.000 84.000 82.000 80.000 78.000 76.000 Outdoor Air Temperature (°F) 208V 230V 4.600 4.280 3.960 3.640 3.320 3.000 Outdoor Air Temperature (°F) 208V/230V 356.000 342.000 328.000 314.000 300.000 286.000 272.000 258.000 244.000 230.000...
  • Page 126 20.10.3 CS-RE18SKUA CU-RE18SKUA 208V/230V 99.000 97.500 96.000 94.500 93.000 91.500 90.000 88.500 87.000 85.500 84.000 82.500 Outdoor Air Temperature (°F) 208V 230V 7.000 6.580 6.160 5.740 5.320 4.900 Outdoor Air Temperature (°F) 208V/230V 374.000 361.000 348.000 335.000 322.000 309.000 296.000 283.000 270.000 257.000...
  • Page 127 20.10.4 CS-RE24SKUA CU-RE24SKUA 208V/230V 105.500 104.000 102.500 101.000 99.500 98.000 96.500 95.000 93.500 92.000 90.500 89.000 Outdoor Air Temperature (°F) 208V 230V 9.000 8.440 7.880 7.320 6.760 6.200 Outdoor Air Temperature (°F) 208V/230V 404.000 390.000 376.000 362.000 348.000 334.000 320.000 306.000 292.000 278.000...

  • Page 128: Piping Length Correction Factor

    20.11 Piping Length Correction Factor The characteristic of the unit has to be corrected in accordance with the piping length. 20.11.1 CS-RE9SKUA CU-RE9SKUA CS-RE12SKUA CU-RE12SKUA 20.11.1.1 Cooling Capacity 1.04 1.02 1.00 0.98 0.96 0.94 0.92 (6.6) (9.8) (13.1) (16.4) (19.7) (23) (26.2)
  • Page 129 20.11.2 CS-RE18SKUA CU-RE18SKUA CS-RE24SKUA CU-RE24SKUA 20.11.2.1 Cooling Capacity 1.03 1.01 0.99 0.97 0.95 (6.6) (9.8) (13.1) (16.4) (19.7) (23) (26.2) (29.5) (33) (36.1) (39.4) (42.6) (45.9) (49.2) (52.5) (55.7) (59) (62.3) (65.6) (68.9) Pipe Length (m/ft) Piping length Capacity (kW) 3 (9.8) 1.0222 7.5 (24.6)

  • Page 130: Exploded View And Replacement Parts List

    21. Exploded View and Replacement Parts List 21.1 Indoor Unit 21.1.1 CS-RE9SKUA CS-RE12SKUA CWH55025J CWH55051J 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 131 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-RE9SKUA CS-RE12SKUA REMARK CHASSIS COMPLETE CWD50C1633 ← FAN MOTOR L6CBYYYL0055 ← CROSS - FLOW FAN COMPLETE CWH02C1076 ← BEARING ASSY CWH64K1010 ← SCREW - CROSS-FLOW FAN CWH551146 ← PARTICULAR PIECE CWD933067 ←...
  • Page 132 21.1.2 CS-RE18SKUA CS-RE24SKUA CWH55025J CWH55051J 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 133 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-RE18SKUA CS-RE24SKUA REMARK CHASSIS COMPLETE CWD50C1637 ← FAN MOTOR L6CBYYYL0056 ← CROSS - FLOW FAN COMPLETE CWH02C1077 ← BEARING ASSY CWH64K1010 ← SCREW - CROSS - FLOW FAN CWH551146 ← PARTICULAR PIECE CWD933067 ←...

  • Page 134: Outdoor Unit

    21.2 Outdoor Unit 21.2.1 CU-RE9SKUA CU-RE12SKUA 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 135 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-RE9SKUA CU-RE12SKUA REMARK CHASSIS COMPLETE CWD50K2081A ← FAN MOTOR BRACKET CWD541089 ← SCREW - FAN MOTOR BRACKET CWH551217 ← FAN MOTOR L6CAYYYL0067 ← SCREW - FAN MOTOR MOUNT CWH55252J ← PROPELLER FAN ASSY CWH03K1100 ←...
  • Page 136 21.2.2 CU-RE18SKUA CU-RE24SKUA 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 137 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-RE18SKUA CU-RE24SKUA REMARK CHASSIS COMPLETE CWD52K1347A ← ANTI - VIBRATION BUSHING CWH50077 ← COMPRESSOR 5RD132XBA21 ← NUT - COMPRESSOR MOUNT CWH561096 ← SOUND PROOF MATERIAL (BODY) CWG302744 ← FAN MOTOR BRACKET CWD541153 ←...
  • Page 138 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-RE18SKUA CU-RE24SKUA REMARK STRAINER CWB111076 ← BAG - COMPLETE (L-TUBE) CWG87C900 ← (Note)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock. Printed in Malaysia SB0116-0...

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