Sanyo STK-RCS-7TWSUA Technical & Service Manual Download

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SANYO Commercial Solutions

A Division of SANYO North America Corporation

1300 Michael Drive, Suite A

Wood Dale, IL 60191, U.S.A.

Sanyo Canada Inc.

1-300 Applewood Crescent, Concord, Ontario L4K 5C7, CANADA

Apr. / 2009 (T)

Summary of Contents for STK-RCS-7TWSUA

Page 1: ...TECHNICAL SERVICE MANUAL STK RCS 7TWSUA WIRED REMOTE CONTROLLER Destination North America REFERENCE NO SM700799 Model No STK RCS 7TWSUA Product Code No 1 852 353 85 FILE NO ...

Page 2: ...e fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construc...

Page 3: ...cs Procedure 4 2 Self Diagnostics Table Ceiling Cassette Type 4 3 Self Diagnostics Table Wall Mounted Type APPENDIX A INSTRUCTION MANUAL APPENDIX B INSTALLATION INSTRUCTIONS STK RCS 7TWSUA APPENDIX C INSTALLATION INSTRUCTIONS Installing the Connection Kit for Wall Mounted Models 4 5 5 6 6 7 8 A 1 A 2 A 3 Page 3 ...

Page 4: ...y 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 dia...

Page 5: ...Wall Mounted Type Type Indoor Unit Model No 2 APPLICABLE INDOOR UNITS 3 FUNCTIONS When the unit is modified from one for wireless remote controller to that for wired remote controller the following functions become unavailable 1 Ceiling Cassette Type Wireless Remote Controller High Power Operation 2 Wall Mounted Type Wireless Remote Controller High Power Operation Quiet Operation ION Operation 5 ...

Page 6: ...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 7: ...n 3 Outdoor PCboard failure Outdoor PCboard failure 1 Mis wiring 2 AC power failure 3 Blown fuse 4 Power Relay failure 5 Indoor or outdoor PCboard failure 6 Outdoor Fan Motor failure 7 Reactor failure 8 High Pressure Switch failure 9 Overload Relay failure 10 Magnetic Coil failure See detailed flowchart in this section 1 HIC or power Tr failure 2 Outdoor fan does not turn 3 Instantaneous power out...

Page 8: ...rt circuit detection only for the humidity sensor 3 Indoor outdoor PCboard failure 1 Sensor open circuit or short circuit 2 Contact failure at connector or open circuit at terminal crimping location 3 Outdoor PCboard failure Outdoor PCboard failure 1 Mis wiring 2 AC power failure 3 Blown fuse 4 Power Relay failure 5 Indoor or outdoor PCboard failure 6 Outdoor Fan Motor failure 7 Reactor failure 8 ...

Page 9: ...INSTRUCTION MANUAL STK RCS 7TWSUA OI 852 6 4181 139 00 0 APPENDIX A A 1 ...

Page 10: ...ned for both the COOL DRY HEAT Model and COOL DRY Model indoor unit Before using the remote controller be sure to confirm the model type specified on the front cover of the INSTRUCTION MANUAL supplied with the indoor unit Once the wired remote controller is connected the wireless remote controller cannot be used Save These Instructions Conserver ce mode d emploi ...

Page 11: ... a ground or earth wire or through the supply wiring 3 Wiring must be done by a qualified electrician SAFETY INSTRUCTIONS Read this Instruction Manual carefully before using this air conditioner If you still have any difficulties or problems consult your dealer for help This air conditioner is designed to give you comfortable room conditions Use this only for its intended purpose as described in t...

Page 12: ...it 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 connected with one outdoor unit in a multiple unit to one unit configuration REMOTE CONTROL UNIT DISPLAY 1 Operation mode AUTO only for COOL DRY HEAT Model HEAT only for COOL DRY HEAT Model MILD DRY COOL FAN 2 Fan speed Automatic operation HIGH M...

Page 13: ...e 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 control unit will automatically adjust the set temperature to save energy Timer and Present Time setting buttons First press the SET button to select the...

Page 14: ... 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 this b...

Page 15: ...ge 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 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 desired temp...

Page 16: ...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 raises the tem...

Page 17: ...H 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 will ch...

Page 18: ...LOW DIRECTION The vertical airflow can be adjusted by moving the flap with the remote control unit Do not move the flap with your hands Confirm that the remote control unit 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 very low...

Page 19: ...INSTALLATION INSTRUCTIONS STK RCS 7TWSUA STK RCS 7TWSUA II 852 6 4190 481 00 1 APPENDIX B A 2 ...

Page 20: ...sed 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 controller unit to Multi Fig 1 After all work is completed if any switches h...

Page 21: ...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 22: ...nstructions 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 ter...

Page 23: ...remote controller 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 ...

Page 24: ...STK KCW1 II 852 6 4190 491 00 0 APPENDIX C INSTALLATION INSTRUCTIONS Installing the Connection Kit for Wall Mounted Models A 3 ...

Page 25: ...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 I Parts included in the package See Table 1 Table 1 85264190491000 SANYO 2009 INSTALLATION IN...

Page 26: ... 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 27: ...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 28: ...ler Fig 9 This starts the fan producing uncooled forced air with the 4 indicator lamps OPERATION lamp TIMER lamp QUIET lamp and ION 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 th...

Page 29: ...YO Commercial Solutions A Division of SANYO North America Corporation 1300 Michael Drive Suite A Wood Dale IL 60191 U S A Sanyo Canada Inc 1 300 Applewood Crescent Concord Ontario L4K 5C7 CANADA Apr 2009 T ...

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