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Table of Contents

    SAFETY PRECAUTIONS

TABLE OF CONTENTS

1.   SPECIFICATIONS

2.   APPLICABLE INDOOR UNITS

3.   FUNCTIONS

4.   SELF-DIAGNOSTICS

4-1.  Self-Diagnostics Procedure
4-2.  Self-Diagnostics Table (Ceiling Cassette Type)
4-3.  Self-Diagnostics Table (Wall Mounted Type 1)
4-4.  Self-Diagnostics Table (Wall Mounted Type 2)

 APPENDIX  A  Operating Instructions

 APPENDIX  B  INSTALLATION INSTRUCTIONS
 (CZ-RD515U)

 APPENDIX  C  INSTALLATION INSTRUCTIONS
 

(Installing the Connection Kit for Wall Mounted Type 1)

 APPENDIX  D  INSTALLATION INSTRUCTIONS
 

(Installing the Connection Kit for Wall Mounted Type 2)

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A-2

A-3

A-4

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Summary of Contents for cz-rd515u

Page 1: ...TECHNICAL SERVICE MANUAL CZ RD515U WIRED REMOTE CONTROLLER REFERENCE NO SM700883 Model No CZ RD515U Product Code No 1 852 361 14 ...

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

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

Page 4: ...Type 4 3 Self Diagnostics Table Wall Mounted Type 1 4 4 Self Diagnostics Table Wall Mounted Type 2 APPENDIX A Operating Instructions APPENDIX B INSTALLATION INSTRUCTIONS CZ RD515U APPENDIX C INSTALLATION INSTRUCTIONS Installing the Connection Kit for Wall Mounted Type 1 APPENDIX D INSTALLATION INSTRUCTIONS Installing the Connection Kit for Wall Mounted Type 2 2 4 5 6 6 7 7 8 9 10 A 1 A 2 A 3 A 4 P...

Page 5: ... Panel Type Functions Operation Section Room Temperature Detection Temperature Airflow Direction Time Temperature Sensor Display Items Description 1 When the indoor unit is modified from one for wireless remote controller to that for wired remote controller some of the functions becomes unavailable Therefore before such modification make sure to receive an approval of the client Also the self diag...

Page 6: ...on Quiet Operation Model No CS KE12NB41 CS KE18NB4UW CS KS12NB41 CS KS18NB4UW Model No CS KE30NKU CS KE36NKU CS KS30NKU CS KS36NKU Model No CS KE18NKU CS KE24NKU CS KS18NKU CS KS24NKU CS MKE7NKU CS MKE9NKU CS MKE12NKU CS MKE18NKU CS MKE24NKU CS MKS7NKU CS MKS9NKU CS MKS12NKU CS MKS18NKU CS MKS24NKU 1 Ceiling cassette type 2 Wall mounted type 1 NOTE The connection kit CZ RC515U is required for the ...

Page 7: ...function utilizes the 3 indicator lamps on the main unit in combinations of ON lamps blinking lamps and OFF lamps to report the existence of sensor trouble or a protective operation The lamps blink or remain ON for 5 seconds then turn OFF for 2 seconds Self diagnostics is completed when the buzzer sounds 3 short beeps A maximum of 3 self diagnostics reports are displayed for 5 seconds each beginni...

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

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

Page 10: ...ACT AT CONNECTOR OR OPEN CIRCUIT AT TERMINAL PRESS FIT LOCATION 3 O D PCB FAILURE O D OUTDOOR O D PCB FAILURE 1 MIS WIRING 2 AC POWER FAILURE 3 BLOWN FUSE 4 POWER RELAY FAILURE 5 I D OR O D PCB FAILURE 6 O D FAN MOTOR FAILURE 7 REACTOR FAILURE 8 HIGH PRESSURE SW FAILURE 9 OLR FAILURE 10 MAGNETIC COIL FAILURE 1 HIC OR POWER TR FAILURE 2 O D FAN NOT OPERATING 3 INSTANTANEOUS POWER STOPPAGE 4 SERVICE...

Page 11: ......

Page 12: ...Operating Instructions CZ RD515U 852 6 4181 230 00 1 APPENDIX A A 1 ...

Page 13: ...264181230001 CV6233187877 This wired remote controller is designed for both the COOL DRY HEAT Model and COOL DRY Model indoor unit Once the wired remote controller is connected the wireless remote controller cannot be used Before operating the unit read these operating instructions thoroughly and keep them for future reference ...

Page 14: ... Model Since the wired remote controller is designed to be commonly used for various air conditioners some of the functions of the wireless remote controller supplied with the indoor unit cannot be used Single use means that only one indoor unit is connected with one outdoor unit in a one unit to one unit configuration Multiple use i e Flexi Multi system means that two or more indoor units are con...

Page 15: ...unction of this appliance do not repair by yourself Contact to the sales dealer or service dealer for a repair Refrigerant gas leakage may cause fire For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning Pull off the power plug from a receptacle or switch off the breaker or switch off the power disconnecting mean to isolate the air conditioner from the...

Page 16: ...rature The temperature setting changes by 2 F each time one of the TEMP buttons is pressed NIGHT SETBACK button For details see 5 Night Setback Mode When you press this button in the HEAT DRY or COOL mode the mark appears in the display and the remote controller will automatically adjust the set temperature to save energy Timer and Present Time setting buttons First press the SET button to select ...

Page 17: ...FAN The air conditioner works only as a circulation fan except for Multiple use of COOL DRY HEAT Model The indoor fan runs continuously when the system is in normal operation It does not turn off when the desired room temperature is reached If Night Set Back mode is selected the fan will turn off intermittently during cooling operation in order to control air flow NOTE SENSOR button When you press...

Page 18: ... setting 60 86 F When set to 80 F temperature indication 4 Timer 24 hour clock with ON OFF program Timer ON Timer OFF Timer 1 hour OFF Timer 5 NIGHT SETBACK 6 Flap angle indication Sweep indication Displayed when indoor unit sensor is in use Displayed when operating NIGHT SETBACK mode Displayed when setting temperature Displayed when temperature is shown Displayed when setting timer Symbols ...

Page 19: ...hange the settings as desired STEP 1 Press the MODE selector button and select the desired mode For heating operation For dehumidifying operation For cooling operation For fan only operation No Fan mode in Multiple use of COOL DRY HEAT Model o o o o STEP 2 To start the air conditioner press the ON OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the d...

Page 20: ...perature control follow these steps STEP 1 Press the MODE selector button to switch to the fan mode STEP 2 Press the ON OFF operation button STEP 3 Press the FAN SPEED selector button to select the fan speed of your choice or There is no FAN only function in Multiple use of COOL DRY HEAT Model STEP 2 STEP 1 STEP 3 NOTE When the night setback mode is selected the air conditioner automatically raise...

Page 21: ... the HH button until PM 9 is displayed Press the MM button until 10 is displayed The display will flash for 10 sec and automatically stop flashing except for the symbol Operation Indication 1 Press the SET button twice The timer indication alone flashes and the previous set time is only displayed 2 Press the HH button until PM 11 is displayed Press the MM button until 30 is displayed The display w...

Page 22: ...ING THE AIRFLOW DIRECTION The vertical airflow can be adjusted by moving the flap with the remote controller Do not move the flap with your hands Confirm that the remote controller has been turned on Use the FLAP button to set either the sweep function or one of the six airflow direction settings The flap automatically closes when the unit is off During the heating operation the fan speed will be ...

Page 23: ......

Page 24: ...A 2 INSTALLATION INSTRUCTIONS CZ RD515U CZ RD515U 852 6 4190 592 00 0 APPENDIX B ...

Page 25: ...ool Dry Heat model at the time of shipment from the factory If the purchased air conditioner is a COOL DRY model follow the instructions on the label and change the switch on the reverse side of the remote controller unit to Cool Dry model Fig 1 The remote controller is also set to Single at the time of shipment from the factory For multiple use set the switch on the reverse side of the remote con...

Page 26: ...5 tab locations and disconnect the back plate of the remote controller by lift ing up slightly Fig 2 b The tabs are thin take care not to chip them 2 Use tapping screws to directly fasten the remote con troller back plate onto the wall Fig 6 3 Insert the connector into the PCB of the remote controller unit and wrap the wire harness around the hook Fig 4 4 Use nippers or a similar tool to cut out t...

Page 27: ...structions supplied with the indoor unit 5 Remove the terminal cover screws then remove the cover At this time take care not to drop the cover Fig 8 6 Pull in the wire harness from the remote controller as shown in Fig 8 b Remove the putty before wiring After wiring make sure to restore the putty 7 Insert the wire harness 4P terminal into the control box PCB connector RC Fig 8 a 8 Install the term...

Page 28: ...ler Fig 9 This starts the fan producing uncooled forced air with the 3 indicator lamps OPERATION lamp TIMER lamp and HIGH POWER lamp on the main unit blinking Fig 11 After 3 minutes the system shifts into cooling operation and cool air will start to be felt Cooling mode test run is unaffected by the room tempera ture 3 Press the ON OFF operation button of the remote controller again to stop the te...

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Page 30: ...A 3 CZ RC515U 852 6 4190 590 00 0 APPENDIX C INSTALLATION INSTRUCTIONS Installing the Connection Kit for Wall Mounted Models ...

Page 31: ...ide 10P and remove the wires Lifting the P C board up slightly will make this work easier Fig 2b 6 After removing the wires insert Connector 1 of the wires Fig 3a that were included in the kit package into the indicator Fig 2a then insert Connector 2 into the component box Fig 2b At this time pass the wires through so that they are held inside the 2 holders on the sides of the component box Fig 3b...

Page 32: ... that was included in the wired remote controller package into the right lower rear of the unit and route it to the component box Fig 4a When feeding the wire harness through the opening be careful of the motor cable and be sure to feed the wire harness and motor cable together through the opening Fig 4b Be careful not to damage the wire harness when installing the conduit during unit installation...

Page 33: ...arness when installing the conduit during unit installation work 7 Pass the wire harness through the wire tube that was included in the kit package Then connect Connector 3 Fig 3a to the wire harness connector 4P Fig 4c 8 Take the wires Fig 3a and use a wire clamp to bind together the wire for the noise filter and the wire for the thermistor Fig 5a Then position them so that the noise filter is co...

Page 34: ... starts the fan producing uncooled forced air with the 3 indicator lamps OPERATION lamp TIMER lamp and QUIET lamp on the main unit blinking Fig 11 After 3 minutes the system shifts into cooling operation and cool air will start to be felt Cooling mode test run is unaffected by the room tempera ture 3 Press the ON OFF operation button of the remote controller again to stop the test run Fig 9 4 Fina...

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Page 36: ...A 4 INSTALLATION INSTRUCTIONS Installing the Connection Kit for Wall Mounted Type 2 CZ RC515UA 852 6 4190 591 00 0 APPENDIX D ...

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