Panasonic CS-E9SD3UAW Service Manual
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Panasonic CS-E9SD3UAW Service Manual

Panasonic CS-E9SD3UAW 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 product or 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.
CS-E9SD3UAW
CS-E12SD3UAW
CS-E18SD3UAW
WARNING
PRECAUTION OF LOW TEMPERATURE
Order No: PAPAMY1604052CE
Indoor Unit
© Panasonic Corporation 2016
Outdoor Unit
CU-E9SD3UA
CU-E12SD3UA
CU-E18SD3UA
Destination
USA

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Summary of Contents for Panasonic CS-E9SD3UAW

  • 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

    Refrigeration Cycle Diagram ......18     15.3 Breakdown Self Diagnosis Function ...69     15.4 Error Codes Table ........70     CS-E9SD3UAW CU-E9SD3UA ....18     15.5 Self-diagnosis Method ........72     CS-E12SD3UAW CU-E12SD3UA ....19     CS-E18SD3UAW CU-E18SD3UA ....20  ...

  • Page 3: Safety Precautions

    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 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: Specifications

    2. Specifications INDOOR CS-E9SD3UAW MODEL OUTDOOR CU-E9SD3UA Performance Test Condition Phase, Hz Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. 1.20 2.64 3.00 1.20 2.64 3.00 Capacity BTU/h 4100 9000 10200 4100 9000 10200 Running Current Input Power 4.80...
  • Page 6 INDOOR CS-E9SD3UAW MODEL OUTDOOR CU-E9SD3UA Type Hermetic Motor / Rotary Compressor Motor Type Brushless (4-poles) Output Power Type Sirocco Material GFZ010A / GF20 Motor Type DC Motor (8-poles) Output Power Cool Heat Cool Heat Cool 1120 Speed Heat 1090 Cool...
  • Page 7 INDOOR CS-E9SD3UAW MODEL OUTDOOR CU-E9SD3UA Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) Standard Length m (ft) 7.5 (24.6) Length Range (min - max) m (ft) 3 (9.8) ~ 20 (65.6) I/D & O/D Height Different m (ft) 15 (49.2)
  • Page 8 INDOOR CS-E12SD3UAW MODEL OUTDOOR CU-E12SD3UA Performance Test Condition Phase, Hz Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. 1.20 3.36 3.90 1.20 3.36 3.90 Capacity BTU/h 4100 11500 13300 4100 4100 13300 Running Current Input Power 1.15k 1.15k 4.80 3.64 3.39...
  • Page 9 INDOOR CS-E12SD3UAW MODEL OUTDOOR CU-E12SD3UA Type Hermetic Motor / Rotary Compressor Motor Type Brushless (4-poles) Output Power Type Sirocco Material GFZ010A / GF20 Motor Type DC Motor (8-poles) Output Power Cool Heat Cool Heat Cool 1120 Speed Heat 1090 Cool 1300 Heat 1300...
  • Page 10 INDOOR CS-E12SD3UAW MODEL OUTDOOR CU-E12SD3UA Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 12.70 (1/2) Standard Length m (ft) 7.5 (24.6) Length Range (min - max) m (ft) 3 (9.8) ~ 20 (65.6) I/D & O/D Height Different m (ft) 15 (49.2) Additional Gas Amount...
  • Page 11 INDOOR CS-E18SD3UAW MODEL OUTDOOR CU-E18SD3UA Performance Test Condition Phase, Hz Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. 1.70 5.04 5.70 1.70 5.04 5.70 Capacity BTU/h 5800 17200 19400 5800 17200 19400 Running Current Input Power 1.58k 1.82k 1.58k 1.82k 3.95...
  • Page 12 INDOOR CS-E18SD3UAW MODEL OUTDOOR CU-E18SD3UA Type Hermetic Motor / Rotary Compressor Motor Type Brushless (4-poles) Output Power 1.70k Type Sirocco Material GFZ010A / GF20 Motor Type DC Motor (8-poles) Output Power Cool Heat Cool Heat 1000 Cool 1230 Speed Heat 1240 Cool 1480...
  • Page 13 INDOOR CS-E18SD3UAW MODEL OUTDOOR CU-E18SD3UA Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 12.70 (1/2) Standard Length m (ft) 7.5 (24.6) Length Range (min - max) m (ft) 3 (9.8) ~ 30.5 (100.0) I/D & O/D Height Different m (ft) 15 (49.2) Additional Gas Amount...

  • Page 14: Features

    3. 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 20 meter (E9SD3UA/E12SD3UA) Long piping up to 30.5 meter (E18SD3UA) ...

  • Page 15: Location Of Controls And Components

    4. Location of Controls and Components Indoor Unit Air inlet Air outlet Outdoor Unit Air inlet (rear) Air inlet (side) Air outlet Remote Control Transmitter Remote control receiver OFF/ON Powerful operation Quiet operation Operation mode Fan speed selection Temperature setting Indicator Timer setting POWER...

  • Page 16: Dimensions

    5. Dimensions Indoor Unit <Front View> (AIR OUTLET DUCT FLANGE) 692 (27 - 1/4) <Bottom View> 96 (3 - 25/32) <Side View> 26 (1 - 1/32) 160 X 4 = 640 84 (3-5/16) 30 (1-3/16) 28 (1-3/32) 81 (3-3/16) WATER INLET 33 (1 - 5/16) 120 (4 - 23/32) DRAIN PORT (UPPER &...

  • Page 17: Outdoor Unit

    Outdoor Unit 5.2.1 CU-E9SD3UA CU-E12SD3UA Space necessary for <Top View> 67.6 installation (2-21/32) 780 (30-23/32) 24.4 60.5 (15/16) (104.7) 570 (22-7/16) 104.9 (4-3/32) (4-1/8) (2-3/8) 10 cm 10 cm 100 cm 2-way valve at Liquid side Anchor Bolt Pitch (High Pressure) 320 x 570 3-way valve at Gas side (Low Pressure)

  • Page 18: Refrigeration Cycle Diagram

    6. Refrigeration Cycle Diagram CS-E9SD3UAW CU-E9SD3UA OUTDOOR INDOOR PROCESS TUBE LIQUID DISCHARGE EXPANSION SIDE MUFFLER VALVE STRAINER 2-WAY VALVE PIPE TEMP. SENSOR 1 CONDENSER TEMP. SENSOR INTAKE TEMP. PIPE SENSOR (INLET) TEMP. SENSOR 2 PIPE TEMP. SENSOR HEAT EXCHANGER (EVAPORATOR)

  • Page 19: Cs-E12Sd3Uaw Cu-E12Sd3Ua

    CS-E12SD3UAW CU-E12SD3UA OUTDOOR INDOOR LIQUID DISCHARGE EXPANSION SIDE MUFFLER VALVE STRAINER 2-WAY VALVE PIPE TEMP. SENSOR 1 CONDENSER TEMP. SENSOR INTAKE TEMP. PIPE SENSOR (INLET) TEMP. SENSOR 2 PIPE TEMP. SENSOR HEAT EXCHANGER (EVAPORATOR) SIDE 4-WAYS VALVE 3-WAY VALVE DISCHARGE COMPRESSOR MUFFLER TEMP.

  • Page 20: Cs-E18Sd3Uaw Cu-E18Sd3Ua

    CS-E18SD3UAW CU-E18SD3UA OUTDOOR INDOOR LIQUID EXPANSION SIDE VALVE RECEIVER STRAINER TEMP. SENSOR 2-WAY VALVE PIPE TEMP. SENSOR 1 INTAKE TEMP. PIPE SENSOR (INLET) DISTRIBUTOR TEMP. SENSOR 2 PIPE HEAT EXCHANGER TEMP. (EVAPORATOR) SENSOR DISCHARGE MUFFLER SIDE 4-WAYS VALVE 3-WAY VALVE COMPRESSOR TEMP.

  • Page 21: Block Diagram

    7. Block Diagram CS-E9SD3UAW CU-E9SD3UA CS-E12SD3UAW CU-E12SD3UA...

  • Page 22: Cs-E18Sd3Uaw Cu-E18Sd3Ua

    CS-E18SD3UAW CU-E18SD3UA...

  • Page 23: Wiring Connection Diagram

    8. Wiring Connection Diagram Indoor Unit ELECTRONIC HAJEM-A CN-CNT CONTROLLER (WHITE) (WHITE) MOTOR CN-FM CN-FSW FLOAT (WHITE) (GREEN) SWITCH RECTIFICATION CIRCUIT DRAIN PUMP INDOOR PIPE TEMPERATURE t˚ SENSOR 2 NOISE FILTER CN-DRMTR1 CN-TH INDOOR PIPE TEMPERATURE (BLUE) CIRCUIT (WHITE) t˚ SENSOR 1 INDOOR AIR TEMPERATURE t˚...

  • Page 24: Outdoor Unit

    Outdoor Unit 8.2.1 CU-E9SD3UA CU-E12SD3UA YELLOW (YEL) SINGLE PHASE POWER SUPPLY TO INDOOR UNIT ELECTRO-MAGNETIC BLUE (BLU) RED (RED) COIL (EXPANSION VALVE) (TRADEMARK) COMPRESSOR TERMINAL REACTOR TERMINAL BOARD (BLACK) (WHITE) THE PARENTHESIZED LETTERS IS (RED) INDICATED ON TERMINAL COVER DATA (RED) RAT2 RAT1 CN-STM...
  • Page 25 8.2.2 CU-E18SD3UA TO INDOOR UNIT REACTOR REMARKS SINGLE PHASE POWER SUPPLY BLU: BLUE BRW: BROWN ORG: ORANGE BLK: BLACK TERMINAL TERMINAL L1 L2 YLW: YELLOW WHT: WHITE BOARD BOARD GRY: GRAY RED: RED YLW/GRN GRN: GREEN YLW/GRN: YELLOW/GREEN ACL1 COM3 L2-1 L2-0 ACN1...

  • Page 26: Electronic Circuit Diagram

    9. Electronic Circuit Diagram Indoor Unit CN-CNT (WHITE) HAJEM-A (WHITE) 0.01u 1000p 1000p 0.01u MOTOR CN-FM (WHITE) CN-FSW (GREEN) RECTIFICATION CIRCUIT FLOAT SWITCH 1000p DRAIN PUMP INDOOR PIPE NOISE FILTER CN-DRMTR1 TEMPERATURE (BLUE) CIRCUIT SENSOR 2 t˚ DRAIN TEST INDOOR PIPE GROUNDING TEMPERATURE t˚...

  • Page 27: Outdoor Unit

    Outdoor Unit 9.2.1 CU-E9SD3UA CU-E12SD3UA ELECTRO-MAGNETIC COIL (EXPANSION VALVE) CN-STM (WHT) SINGLE PHASE POWER SUPPLY TO INDOOR UNIT REACTOR TERMINAL BOARD CN-TH AIR TEMP. SENSOR (BLACK) (WHITE) (RED) (THERMISTOR) (WHT) 15.8k 15.0k t˚ DATA (RED) RAT2 RAT1 YLW/GRN COMMUNICATION (GRY) (GRY) t˚...
  • Page 28 9.2.2 CU-E18SD3UA TO INDOOR UNIT REACTOR SINGLE PHASE POWER SUPPLY TERMINAL TERMINAL L1 L2 BOARD BOARD YLW/GRN ACL1 COM3 L2-1 L2-0 ACN1 (BLACK) (RED) (GRAY) (BLACK) (WHITE) YLW/GRN EL816X R422 CN-COM CN-COM (YELLOW) (YELLOW) R159 1/10W ELECTRONIC CONTROLLER (MAIN) 4.7k 0.1A FUSE3 RT1N432C...

  • Page 29: Printed Circuit Board

    10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board CN-T1 CN-AC CN-T2 CN-DRMTR1 CN-FM CN-TH CN-CNT CN-FSW CN-DISP CN-HT...

  • Page 30: Outdoor Unit

    10.2 Outdoor Unit 10.2.1 Main Printed Circuit Board 10.2.1.1 CU-E9SD3UA CU-E12SD3UA POWER TRANSISTOR (IPM) CN-HOT CN-TH CN-TANK CURRENT TRANSFORMER (CT) CN-DCFM DATA AC-WHT AC-BLK...
  • Page 31 10.2.1.2 CU-E18SD3UA POWER TRANSISTOR (IPM) AC-WHT CURRENT TRANSFORMER (CT) AC-BLK CN-HOT CN-COM CN-FM CN-TANK CN-EV CN-TH1...
  • Page 32 10.2.2 CPU Printed Circuit Board 10.2.2.1 CU-E9SD3UA CU-E12SD3UA 10.2.3 Noise Filter Printed Circuit Board 10.2.3.1 CU-E18SD3UA ACN1 ACL1 (WHITE) (BLACK) CN-COM...

  • Page 33: Installation Instruction

    11. Installation Instruction  IMPORTANT (ONLY FOR E9SD3UAW AND E12SD3UAW) ® This product has been designed and manufactured to meet ENERGY STAR criteria for energy efficiency when matched with appropriate coil components. However, proper refrigerant charge and proper air flow are critical to achive rated capacity and efficiency.
  • Page 34 ■ Other Items to be Prepared (Locally Purchased) Product name Remarks Rigid PVC pipe VP20 (outer diameter ø1 1/32" (ø26); also sockets, elbows and other parts as necessary Adhesive PVC adhesive For refrigerant piping insulation: foamed polyethylene with a thickness of 5/16" (8 mm) or more. Insulation For drain piping insulation: foamed polyethylene with a thickness of 13/32"...

  • Page 35: Indoor Unit

    11.1 Indoor Unit 11.1.1 Selecting the Installation Location Take into consideration the following contents when creating the blueprint. ■ Indoor unit installation location  Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. ...

  • Page 36: Drain Piping

    Required Minimum Space for Installation and Service 7 /16" ( 824) (Suspension bolt pitch) Electrical component box Inspection 7 /8" Min. 7 access 23 /32 " 200) or 23 /32 " more 450 x 450) Refrigerant tubing Flange for air outlet duct 19 /32 Min.
  • Page 37 In Case of Bottom Intake Dummy hole Air intake Remove the frame filter assy as shown in Cover plate diagram 1 Remove cover plate as shown in diagram 1 Fix frame filter assy as shown in diagram 2 Frame Filter Fix cover plate as shown in diagram 2 with Frame Assy...
  • Page 38 Installing an Intake and Discharge Duct Type  Ensure the range of unit external static pressure is not exceeded. Refer technical manual for the range of external static pressure setting.  Connect the duct as shown.  When attaching duct to the intake side, remove the product filter frame assy and replace with locally purchase intake-side flange by using flange by using 10 - Ø...
  • Page 39 Mounting Remote Controller Receiver Install the remote controller receiver cable at least 1 31/32" (50 mm) away from electric wires of other appliances to avoid miss-operation (electromagnetic noise). Remove the bottom case. Insert the driver and slightly turn. Bottom Flat-blade case screwdriver Attention...
  • Page 40  Connect the indoor unit and the remote control receiver 5. (Refer to the illustration.)  Fix the green wire from receiver cable 8 to the grounding location provided inside control board. Receiver cable 8 Control box Remote control receiver 5 11.1.4 Connecting the Drain Piping ...

  • Page 41: Connect The Cable To The Indoor Unit

    11.1.6 Connect the Cable to the Indoor Unit  Remove control box cover. Lock Nuts  Remove the plugs.  Fix the conduit connections to the knockout holes Plugs together with lock nuts, then secure them against Control Box the control box side panel. ...
  • Page 42 11.1.6.1 Wire Stripping and Connecting Requirement Wire stripping Conductor not Conductor Conductor fully inserted fully inserted over inserted Indoor/outdoor connection terminal board 7 /32" (5 mm) or more No loose strand when inserted ACCEPT PROHIBITED PROHIBITED (gap between wires) Do not joint wires WARNING RISK OF FIRE JOINING OF WIRES MAY CAUSE...

  • Page 43: Outdoor Unit

    Male side Female side Outdoor Multi Applicable to (Auxiliary pipe) (Connection pipe) Liquid and Gas side of CS-E9SD3UAW Decide piping length and then cut by using pipe cutter. Wrench Remove burrs from cut edge. Liquid side of (Adjustable Wrench) Torque Wrench...

  • Page 44: Evacuation Of The Equipment

    11.2.4 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 45: Connect The Cable To The Outdoor Unit

    11.2.5 Connect the cable to the Outdoor Unit  For model E9SD3UAW, E12SD3UAW Top Panel Remove Top panel. Power Remove Control Board Cover (Resin and Supply Metal). Control Board Wires Metal Cover Remove Plugs. Lock Nuts Control Board Fix the conduit connectors to the knockout Cover (Resin) holes with lock-nuts, then secure them against the side panel.
  • Page 46  For model E18SD3UAW Connecting Wires Control Board Remove control board cover (Resin and Cover (Metal) Control Board Metal). Cover (Resin) Front Panel Remove particular plate. Remove plugs. Particular Fix the conduit connectors to the knockout Plate holes with lock-nuts, then secure them against Lock Nuts the side panel.

  • Page 47: Piping Insulation

    11.2.6 Piping Insulation 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. 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 48: Operation And Control

    12. Operation and Control 12.1 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 49: Heating Operation

    12.1.4 Heating Operation 12.1.4.1 Thermostat control  Compressor is OFF when Intake Air Temperature - Internal Setting Temperate > +3.6°F.  Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature < Compressor OFF point. 12.1.5 Automatic Operation ...

  • Page 50: Outdoor Fan Motor Operation

     The indoor fan will operate according to pattern below. [1 pattern : 10 s] Speed Higher Medium Lower [Heating]  According to indoor pipe temperature, automatic heating fan speed is determined as follows. RPM Increased 102ºF RPM Maintain 95ºF RPM Reduced 66.2ºF 60.8ºF...

  • Page 51: Quiet Operation (Cooling Mode/Cooling Area Of Soft Dry Mode)

    12.2 Quiet Operation (Cooling Mode/Cooling Area of Soft Dry Mode) A. Purpose To provide quiet cooling operation compare to normal operation. B. Control condition a. Quiet operation start condition  When “quiet” button at remote control is pressed. Quiet LED illuminates. b.

  • Page 52: Powerful Mode Operation

    12.3 Powerful Mode Operation When the powerful mode is selected, the internal setting temperature will shift higher up to +10.8°F (for Heating) or lower up to 7.2°F (for Cooling/Soft Dry) than remote control setting temperature for 20 minutes to achieve the setting temperature quickly.

  • Page 53: Electric Heater Control 1

    12.7 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 Example: (°F) 1 When air conditioning is switch ON, Remote controller setting = 82.4°F Temp difference (Remote controller setting - When air conditioning is Intake air temperature = 78.8°F Intake air temperature)

  • Page 54: Electric Heater Control 2

    12.8 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 fulfill the starting condition as follow except 2 errors. H14 (Indoor intake air temperature sensor abnormality) H19 (Indoor fan motor mechanism lock) Starting condition...

  • Page 55: Protection Control

    13. Protection Control 13.1 Protection Control For All Operations 13.1.1 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 56: Protection Control For Cooling & Soft Dry Operation

    13.1.4 IPM (Power transistor) Prevention Control  Overheating Prevention Control When the IPM temperature rises to 248°F, compressor operation will stop immediately. Compressor operation restarts after three minutes the temperature decreases to 230°F.  DC Peak Current Control When electric current to IPM exceeds set value of 30.0 ± 5.0 A, the compressor will stop operate. Then, operation will restart after three minutes.

  • Page 57: Cooling Overload Control

    13.2.2 Cooling Overload Control i. Pipe temperature limitation/restriction  Detects the Outdoor pipe temperature and carry out below restriction/limitation (Limit the compressor Operation frequency)  The compressor stop if outdoor pipe temperature exceeds 145.4°F.  If the compressor stops 4 times in 20 minutes, Timer LED blinking (F95: outdoor high pressure rise protection) 13.2.3 Dew Prevention Control 1 To prevent dew formation at indoor unit discharge area.

  • Page 58: Protection Control For Heating Operation

    13.3 Protection Control for Heating Operation 13.3.1 Intake Air Temperature Control Compressor will operate at maximum frequency if below conditions occur: When the indoor intake air temperature is 86°F or above. 13.3.2 Outdoor Air Temperature Control The maximum current value is regulated when the outdoor air temperature rises above 57.2°F in order to avoid compressor overloading.
  • Page 59 13.3.7 Pump Down Operation By CN-S  A convenience method to activate pump down operation.  Control start condition: During power standby condition, short CN-S continuously between 1 second and 10 seconds.  Control stop condition: 480 seconds after pump down operation starts. CN-S is shorted again during pump down operation.

  • Page 60: Servicing Mode

    14. Servicing Mode 14.1 TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)  The Test Run operation will be activated by short-circuiting CN-S (Pin 1 & 2) at outdoor unit PCB after power supplied to outdoor unit terminal 1 and 2. The unit forced to run rated frequency cooling operation mode.

  • Page 61: Auto Off/On Button

    14.2 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 Auto Operation Test Run Operation n i l o i t Test Run Operation (Forced cooling operation) (Forced heating operation) AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto OFF/ON button is pressed.

  • Page 62: Cooling Only Operation (Single Connection Only, Multi Connection Please Refer To Multi Outdoor Manual)

    14.3 Cooling Only Operation (Single connection Only, Multi connection please refer to Multi outdoor manual) 14.3.1 How to activate and deactivate Cooling Only Operation AUTO SW is pressed Remote Cool Only Cool Only Remote Forced Forced *Operation Forced Control Emergency Control Cooling Heating...

  • Page 63: Remote Controller Room Temperature Thermoshift Control

    14.4 Remote Controller Room Temperature Thermoshift Control 14.4.1 Purpose To prevent not enough or over supply of cooling and heating capacity by adjusting the Room Temperature thermoshift by using remote controller. Temperature can be adjusted are -3°C (-5.4°F), -2°C (-3.6°F), -1°C (-1.8°F), 0°C (0°F), 1°C (1.8°F), 2°C (3.6°F), 3°C (5.4°F) Thermoshift adjusted by Remote controller will be stored into EEPROM and added into the final target setting temperature.
  • Page 64 Cooling or Dry mode (using remocon function 59) Normal display mode Press SW (t 0secs) When SW pressed continuously for t 5secs to enter service zone & press SW’s to choose function 59 (shift 0°C) Timer Up Down button Shift +1°C Shift -3°C Shift -1°C Shift +3°C...
  • Page 65 Filter cleaning enable/disable selection Normal display mode Press SW to enter customer zone & press SW’s to choose function 7 Control Disable Transmit “Enable or Disable” code Control Enable Press SW, special setting is immediately cancelled and normal mode starts. If no SW is pressed for 30secs, then special setting mode is cancelled and normal mode starts.
  • Page 66 Auto restart enable/disable selection Normal display mode Press SW to enter customer zone & press SW’s to choose function 10 Control Disable Transmit “Enable or Disable” code Control Enable Press SW, special setting is immediately cancelled and normal mode starts. If no SW is pressed for 30secs, then special setting mode is cancelled and normal mode starts.

  • Page 67: Troubleshooting Guide

    15. Troubleshooting Guide 15.1 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 Such problems include insufficient insulation, problem with the PSI (kg/cm temperature (°F) power source, malfunction of a compressor and a fan.

  • Page 68: Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current

    15.2 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 69: Breakdown Self Diagnosis Function

    15.3 Breakdown Self Diagnosis Function 15.3.1 Self Diagnosis Function (Three Digits Alphanumeric Code)  Once abnormality has occurred during operation, the unit will stop its operation, and OFF/ON operation LED OFF.  OFF indicator does not shown on remote control display. ...

  • Page 70: Error Codes Table

    15.4 Error Codes Table Diagnosis Abnormality Emergency Abnormality / Protection control Primary location to verify display Judgment Operation No abnormality detected ─ Normal operation ─  Internal/external cable connections > 1 min. after Indoor fan Indoor/outdoor abnormal communication  Indoor/Outdoor PCB starting operation operation only Connection capability rank abnormal...
  • Page 71 Diagnosis Abnormality Emergency Abnormality / Protection control Primary location to verify display Judgment Operation  Excess refrigerant 3 times occurrence Total running current protection ─ within 20 minutes  Improper heat radiation  Outdoor PCB Outdoor Direct Current (DC) peak 7 times occurrence ...

  • Page 72: Self-Diagnosis Method

    15.5 Self-diagnosis Method 15.5.1 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 73 15.5.2 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 74 15.5.3 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 75 15.5.4 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 76 15.5.5 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 77 15.5.6 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 > 2550 rpm or < 50 rpm) Malfunction Caused ...
  • Page 78 15.5.7 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 79 15.5.8 H24 (Indoor Pipe Temperature Sensor 2 Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor 2 are used to determine sensor errors. Malfunction Caused  Faulty connector connection.
  • Page 80 15.5.9 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 81 15.5.10 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 82 15.5.11 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 83 15.5.12 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 84 15.5.13 H97 (Outdoor 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. Malfunction Caused  Operation stops due to short circuit inside the fan motor winding. ...
  • Page 85 15.5.14 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 86 15.5.15 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) Malfunction Caused ...
  • Page 87 15.5.16 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 88 15.5.17 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 89 15.5.18 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 90 15.5.19 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 For safety reason and to prevent component breakdown, always switch off the power before...
  • Page 91 15.5.20 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 92 15.5.21 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 93 15.5.22 F97 (Compressor 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 94 15.5.23 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 95 15.5.24 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 96: Disassembly And Assembly Instructions

    16. Disassembly and Assembly Instructions WARNING High Voltage are 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. 16.1 Indoor Electronic Controller, Blower Fan, Fan Motor &...
  • Page 97 16.1.3 To Remove Fan Motor and Blower Fan Detach the Upper and Inner Casing Disengage the 4 catches (2 each on the left and right) on the Air Guide. Air guide (Upper) Air guide (Upper) Catches Air guide (Bottom) Air guide (Bottom) Unscrew the 2 screws on the Fan Motor Bracket and detach Fan Motor Bracket.
  • Page 98 Unscrew 5 screws on the Evaporator and remove 2 sensor from holder and remove Evaporator from the unit. Remove Screw Remove Sensor Unscrew 4 screws, 1 nut and 1 Spring Clip on the Drain Motor Bracket and remove Drain Motor from unit. Spring Clip Remove Screw Remove Nut...

  • Page 99: Outdoor Electronic Controller Removal Procedure

    16.2 Outdoor Electronic Controller Removal Procedure 16.2.1 CU-E9SD3UA CU-E12SD3UA Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 3 screws of the Top Panel. Remove the Control Board as follows: Fig. 1 Fig. 4 Remove the 6 screws of the Front Panel. Fig.
  • Page 100 16.2.2 CU-E18SD3UA Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 8 screws of the Top Panel. Remove the Control Board. Fig. 4 Remove the 6 screws of the Electronic Fig. 1 Controller. Remove the 8 screws of the Front Panel. Fig.

  • Page 101: Technical Data

    17.1 Technical data provided are based on the air conditioner running under free frequency. 17.1.1 Cool Mode Performance Data Unit setting: Standard piping length, Hi Fan, Cool mode at 60.8°F Voltage: 208V/230V 17.1.1.1 CS-E9SD3UAW/CU-E9SD3UA Indoor (°C/°F) Outdoor DB (°C/°F) -20 (-4) -10 (14) 0 (32) 5 (41) 19 (66.2)
  • Page 102 17.1.1.3 CS-E18SD3UAW/CU-E18SD3UA Indoor (°C/°F) Outdoor DB (°C/°F) -20 (-4) -10 (14) 0 (32) 5 (41) 19 (66.2) 6210 5142 1137 6203 5137 1123 6196 5229 1090 6179 5113 1080 27 (80.6) 22 (71.6) 7123 4203 7116 4199 6784 4107 1138 6347 3863 1135...
  • Page 103 17.1.2 Heat Mode Performance Data Unit setting: Standard piping length, Hi Fan, Heat mode at 86°F Voltage: 208V/230V 17.1.2.1 CS-E9SD3UAW/CU-E9SD3UA Indoor Outdoor WB (°C/°F) (°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) 2068...

  • Page 104: Technical Data Provided Are Based On The Air Conditioner Running Under Rated Frequency

    17.2 Technical data provided are based on the air conditioner running under rated frequency. 17.2.1 Cool Mode Performance Data Unit setting: Standard piping length, Hi Fan, Cool mode at 60.8°F Voltage: 208V/230V 17.2.1.1 CS-E9SD3UAW/CU-E9SD3UA Indoor (°C/°F) Outdoor DB (°C/°F) -20 (-4) -10 (14) 0 (32) 5 (41) 19 (66.2)
  • Page 105 17.2.1.3 CS-E18SD3UAW/CU-E18SD3UA Indoor (°C/°F) Outdoor DB (°C/°F) -20 (-4) -10 (14) 0 (32) 5 (41) 19 (66.2) 6210 5255 1137 6203 5250 1123 6196 5344 1090 6179 5226 1080 27 (80.6) 22 (71.6) 7123 4295 7116 4291 6784 4198 1138 6327 3936 1135...
  • Page 106 17.2.2 Heat Mode Performance Data Unit setting: Standard piping length, Hi Fan, Heat mode at 86°F Voltage: 208V/230V 17.2.2.1 CS-E9SD3UAW/CU-E9SD3UA Indoor Outdoor WB (°C/°F) (°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) 1275...

  • Page 107: Fan Performance

    17.3 Fan Performance 17.3.1 CS-E9SD3UAW CU-E9SD3UA Test Report Static Pressure Airflow Static Pressure Airflow (Pa) (Inch H2O) /min) (ft /min) (Pa) (Inch H2O) /min) (ft /min) -0.1 (-0.0004) 18.3 (646) 0.0 (0.0) 13.0 (459) 7.7 (0.0309) 17.7 (625) 9.1 (0.0366) 11.9 (420)
  • Page 108 17.3.2 CS-E12SD3UAW CU-E12SD3UA Test Report Static Pressure Airflow Static Pressure Airflow (Pa) (Inch H2O) /min) (ft /min) (Pa) (Inch H2O) /min) (ft /min) 0.0 (0.0) 13.0 (459) -0.1 (-0.0004) 18.2 (643) 7.7 (0.0309) 17.7 (625) 9.1 (0.0366) 11.9 (420) 1090 28.4 (0.1141) 16.1 (569) 19.1 (0.0768)
  • Page 109 17.3.3 CS-E18SD3UAW CU-E18SD3UA Test Report Static Pressure Airflow Static Pressure Airflow (Pa) (Inch H2O) /min) (ft /min) (Pa) (Inch H2O) /min) (ft /min) -0.1 (-0.0004) 14.5 (512) -0.1 (-0.0004) 19.7 (696) 70.7 (0.2841) 14.1 (498) 11.4 (0.0458) 13.4 (473) 1230 86.6 (0.3480) 12.6 (445) 30.3 (0.1218)

  • Page 110: Service Data

    Service data provided are based on the air conditioner running under rated frequency during forced cooling / forced heating mode. 18.1 Cool Mode Outdoor Air Temperature Characteristic 18.1.1 CS-E9SD3UAW CU-E9SD3UA Condition  Indoor room temperature: 80.1°F Dry Bulb/66.9°F Wet Bulb ...
  • Page 111 18.1.2 CS-E12SD3UAW CU-E12SD3UA Condition  Indoor room temperature: 80.1°F Dry Bulb/66.9°F Wet Bulb  Unit setting: Standard piping length, forced cooling at 60.8°F, Hi fan  Compressor frequency: Rated for cooling operation  Voltage: 208V/230V 208V 230V 6.000 5.500 5.000 4.500 4.000 3.500...
  • Page 112 18.1.3 CS-E18SD3UAW CU-E18SD3UA Condition  Indoor room temperature: 80.1°F Dry Bulb/66.9°F Wet Bulb  Unit setting: Standard piping length, forced cooling at 60.8°F, Hi fan  Compressor frequency: Rated for cooling operation  Voltage: 208V/230V 208V 230V 9.000 8.500 8.000 7.500 7.000 6.500...

  • Page 113: Heat Mode Outdoor Air Temperature Characteristic

    18.2 Heat Mode Outdoor Air Temperature Characteristic 18.2.1 CS-E9SD3UAW CU-E9SD3UA Condition  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 ...
  • Page 114 18.2.2 CS-E12SD3UAW CU-E12SD3UA Condition  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  Voltage: 208V/230V 208V 230V 6.500 6.300 6.100 5.900 5.700...
  • Page 115 18.2.3 CS-E18SD3UAW CU-E18SD3UA Condition  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  Voltage: 208V/230V 208V 230V 10.000 9.500 9.000 8.500 8.000...

  • Page 116: Piping Length Correction Factor

    18.3 Piping Length Correction Factor The characteristic of the unit has to be corrected in accordance with the piping length. 18.3.1 Cooling Capacity 18.3.1.1 CS-E9SD3UAW CU-E9SD3UA CS-12SD3UAW CU-12SD3UA 1.04 3 (9.8) 1.0334 1.03 5 (16.4) 1.0212 1.02 1.01 7.5 (24.6) 1.0000...
  • Page 117 18.3.2 Heating Capacity 18.3.2.1 CS-E9SD3UAW CU-E9SD3UA CS-12SD3UAW CU-12SD3UA 1.08 3 (9.8) 1.0593 1.06 5 (16.4) 1.0323 1.04 7.5 (24.6) 1.0000 1.02 10 (32.8) 0.9771 15 (49.2) 0.9535 1.00 0.98 0.96 0.94 (6.6) (13.1) (19.7) (26.2) (32.8) (39.4) (45.9) (52.5) Pipe Length (m/ft) 18.3.2.2...

  • Page 118: Exploded View And Replacement Parts List

    19. Exploded View and Replacement Parts List 19.1 Indoor Unit 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 119 SAFETY PART NAME & DESCRIPTION QTY. CS-E9SD3UAW CS-E12SD3UAW CS-E18SD3UAW REMARK CABINET TOP PLATE - COMPLETE CWE03C1169 ← ← FOAMED STYRENE COMPLETE ACXG07C00070 ← ← FOAMED STYRENE COMPLETE CWG07C1092 ← ← FOAMED STYRENE COMPLETE CWG07C1093 ← ← BULKHEAD CWD531059 ← ←...

  • Page 120: Outdoor Unit

    19.2 Outdoor Unit 19.2.1 CU-E9SD3UA CU-E12SD3UA 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 121 SAFETY REF NO. DESCRIPTION & NAME QTY. CU-E9SD3UA CU-E12SD3UA REMARK CHASSY ASSY CWD50K2081A ← SOUND PROOF MATERIAL (TOP) CWG302570 ← FAN MOTOR BRACKET CWD541089 ← SCREW - BRACKET FAN MOTOR CWH551217 ← FAN MOTOR ARW6404AC ← SCREW - FAN MOTOR MOUNT CWH55252J ←...
  • Page 122 19.2.2 CU-E18SD3UA 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 123 SAFETY REF NO. DESCRIPTION & NAME QTY. CU-E18SD3UA REMARK CHASSY ASSY CWD52K1228A ANTI - VIBRATION BUSHING CWH50055 PACKING CWB81043 COMPRESSOR 5KD240XAF21 NUT - COMPRESSOR MOUNT CWH561049 FAN MOTOR BRACKET CWD541127 FAN MOTOR EHDS80CAC SCREW - BRACKET FAN MOTOR CWH551217 SCREW - FAN MOTOR MOUNT CWH551323 PROPELLER FAN ASSY CWH00K1006...
  • Page 124 SAFETY REF NO. DESCRIPTION & NAME QTY. CU-E18SD3UA REMARK ELECTRONIC CONTROLLER (NOISE FILTER) CWA748363 CLIP FOR SENSOR CWH711010 (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock. [PAPAMY] Printed in Malaysia YB0816-2...

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