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Toshiba RAV-SM562MUT-E Service Manual

Split type air conditioner
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Download this manual See also: Owner's Manual, Installation Manual
FILE NO. A06-005

SERVICE MANUAL

SPLIT TYPE
<DIGITAL INVERTER>
INDOOR UNIT
RAV-SM562MUT-E
This Service Manual describes contents of the new indoor unit.
For the outdoor unit, refer to the Service Manual with FILE NO. A05-001.
R410A
PRINTED IN JAPAN, Aug.,2006 ToMo

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Summary of Contents for Toshiba RAV-SM562MUT-E

  • Page 1: Service Manual

    FILE NO. A06-005 SERVICE MANUAL SPLIT TYPE <DIGITAL INVERTER> INDOOR UNIT RAV-SM562MUT-E This Service Manual describes contents of the new indoor unit. For the outdoor unit, refer to the Service Manual with FILE NO. A05-001. R410A PRINTED IN JAPAN, Aug.,2006 ToMo...

  • Page 2: Table Of Contents

    ADOPTION OF NEW REFRIGERANT This Air Conditioner is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer. WARNING Cleaning of the air filter and other parts of the air filter involves dangerous work in high places, so be sure to have a service person do it.

  • Page 3: Specifications

    1. SPECIFICATIONS 1-1. Indoor Unit 1-1-1. Compact 4-way Cassette Type DI TWIN SDI TWIN RAV- SM562MUT-E SM562MUT-E SM562MUT-E SM562MUT-E Indoor unit Model RAV- — SM562MUT-E — SM562MUT-E Outdoor unit RAV- SM562AT-E SM1102AT-E SP562AT-E SP1102AT-E Cooling capacity (kW) 10.0 10.0 Heating capacity (kW) 11.2 11.2...

  • Page 4: Combination Specifications Of Indoor Units With Outdoor Units

    1-2. Combination Specifications of Indoor Units with Outdoor Units Indoor Unit RAV-SM562MUT-E Outdoor Unit RAV-SP562AT-E Cooling Heating Standard capacity (Note 1) (kW) 5.30 (2.20-5.60) 5.60 (2.20-7.10) Energy consumption effect ratio (W/W) 3.46 4.67 Power supply 1 phase 230V (220-240V) 50Hz Running current 7.17-6.57...

  • Page 5: Operation Characteristic Curve

    1-3. Operation Characteristic Curve <Digital Inverter> RAV-SM562MUT-E / RAV-SM562AT-E <Cooling> <Heating> • Conditions • Conditions Indoor : DB27˚C/WB19˚C Indoor : DB20˚C Outdoor : DB35˚C Outdoor : DB7˚C/WB6˚C Air flow : High Air flow : High Pipe length : 7.5m Pipe length : 7.5m...

  • Page 6: Construction Views (External Views)

    2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) 2-1. Indoor Unit 595 to 660 Ceiling open dimension 1000 or more Check port 450) Check port 450) Check port 450) Obustacle Drain-up standing-up size Indoor unit 1000 or more Bottom face of ceiling Note) As ABS is used for the drain discharge port of the main unit, the vinyl chlor paste cannot be used.

  • Page 7: Systematic Refrigerating Cycle Diagram

    3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 3-1. Indoor Unit/Outdoor Unit • Single type (Combination of one indoor unit and one outdoor unit) Heating time Cooling time RAV-SM562MUT-E Indoor unit Distributor (Strainer TCJ sensor incorporated) Air heat exchanger TC sensor Refrigerant pipe...
  • Page 8 RAV-SM562MUT-E / RAV-SP562AT-E Indoor unit sensor Air heat exchanger TC sensor Outer diameter of refrigerant pipe * The refrigerating cycle of the indoor units differs according to Gas side ØA Liquid side ØB the models to be combined. For the refrigerating cycles of the other indoor units, refer to the corresponding Service Manuals 12.7mm...
  • Page 9 RAV-SM562MUT-E / RAV-SM562AT-E Indoor unit sensor Air heat exchanger TC sensor Outer diameter of refrigerant pipe Gas side ØA Liquid side ØB 12.7mm 6.4mm Refrigerant pipe Refrigerant pipe at gas side at liquid side Ø12.7 Ø6.4 Packet valve Packet valve Min.

  • Page 10: Wiring Diagram

    4. WIRING DIAGRAM 4-1. Indoor Unit 4-1-1. Compact 4-way Cassette Type Connection interface (option) (EXCT) CN50 CN51 1 2 3 CN34 (WHI) (RED) CN104 CN102 CN101 CN80 CN73 CN70 (RED) (YEL) (RED) (BLK) (GRN) (RED) (WHI) P.C. Board MCC-1402 CN40 (BLU) CN33 CN60...
  • Page 11 • Single type Power supply 220-240V Single phase 50Hz Outdoor unit 1 2 3 1 2 3 Indoor unit Notes) : indicates a terminal block 2. Broken line and chain line indicate wiring at local site. 3. For the inner wiring diagram of the outdoor unit and the indoor unit, refer to the wiring diagram of each model.

  • Page 12: Specifications Of Electrical Parts

    5. SPECIFICATIONS OF ELECTRICAL PARTS 5-1. Indoor Unit Parts name Type Specifications Fan motor (for indoor) SWF-230-60-1R Output (Rated) 60 W, 220–240 V Thermo. sensor (TA-sensor) 155 mm 10 kΩ at 25°C Heat exchanger sensor (TCJ-sensor) Ø6 mm, 1200 mm 10 kΩ...

  • Page 13: Refrigerant R410A

    6. REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC 6) When an air conditioning system charged with a (R410A) which does not damage the ozone layer. large volume of refrigerant is installed in a small room, it is necessary to exercise care so that, The working pressure of the new refrigerant R410A even when refrigerant leaks, its concentration is 1.6 times higher than conventional refrigerant...
  • Page 14 Table 6-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) R410A 6.35 0.80 0.80 9.52 0.80 0.80 12.70 0.80 0.80 15.88 1.00 1.00 2) Joints For copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants. a) Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm.
  • Page 15 c) Insertion of Flare Nut Flare processing dimensions differ according to the type of flare tool. When using a conven- d) Flare Processing tional flare tool, be sure to secure “dimension Make certain that a clamp bar and copper A” by using a gauge for size adjustment. pipe have been cleaned.
  • Page 16 Table 6-2-6 Flare and flare nut dimensions for R22 Dimension (mm) Nominal Outer diameter Thickness Flare nut width diameter (mm) (mm) (mm) 6.35 9.52 13.0 13.5 12.70 16.2 16.0 12.9 15.88 19.4 19.0 16.0 19.05 23.3 24.0 19.2 Fig. 6-2-2 Relations between flare nut and flare seal surface 2) Flare Connecting Procedures and Precautions a) Make sure that the flare and union portions do not have any scar or dust, etc.

  • Page 17: Tools

    6-3. Tools 6-3-1. Required Tools The service port diameter of packed valve of the outdoor unit in the air conditioner using R410A is changed to prevent mixing of other refrigerant. To reinforce the pressure-resisting strength, flare processing dimensions and opposite side dimension of flare nut (For Ø12.7 copper pipe) of the refrigerant piping are lengthened. The used refrigerating oil is changed, and mixing of oil may cause a trouble such as generation of sludge, clogging of capillary, etc.

  • Page 18: Recharging Of Refrigerant

    6-4. Recharging of Refrigerant When it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to the following steps. Recover the refrigerant, and check no refrigerant remains in the equipment. When the compound gauge’s pointer has indicated –0.1 Mpa (–76 cmHg), place the handle Low in the fully closed position, and turn off the vacuum pump’s Connect the charge hose to packed valve service...

  • Page 19: Brazing Of Pipes

     Be sure to make setting so that liquid can be charged. ‚ When using a cylinder equipped with a siphon, liquid can be charged without turning it upside down. It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant. Accordingly, when charging refrigerant from the refrigerant cylinder to the equipment, charge it turning the cylinder upside down if cylinder is not equipped with siphon.
  • Page 20 2) Characteristics required for flux 6-5-3. Brazing • Activated temperature of flux coincides with the As brazing work requires sophisticated techniques, brazing temperature. experiences based upon a theoretical knowledge, it must be performed by a person qualified. • Due to a wide effective temperature range, flux is hard to carbonize.

  • Page 21: Tolerance Of Pipe Length And Pipe Head

    6-6. Tolerance of Pipe Length and Pipe Head Model (RAV-) 1102AT Full length Below 50m L + a or L + b (actual length) Pipe length Branch piping Below 15m (One Direction) a, b (actual length) Difference of branch piping length Below 10m b –...

  • Page 22: Additional Refrigerant Amount

    6-7. Additional Refrigerant Amount <Formula for Calculating Additional Refrigerant Amount> Do not remove the refrigerant even if the additional refrigerant amount becomes minus result as a result of calculations by the following formula and operate the air conditioner as it is. Additional refrigerant amount (kg) = Main piping additional refrigerant amount (kg) + Branch piping additional refrigerant amount (kg) = A ×...

  • Page 23: Piping Materials And Sizes

    6-8. Piping Materials and Sizes Use copper tube of Copper and copper alloy seamless pipes and tubes, with 40mg/10m or less in the amount of oil stuck on inner walls of pipe and 0.8mm in pipe wall thickness for diameters for diameters 6.4, 9.5 and 12.7mm and 1.0mm, for diameter 15.9mm.

  • Page 24: Control Block Diagram

    7. CONTROL BLOCK DIAGRAM 7-1. Indoor Control Circuit Main (Sub) master remote controller Weekly timer *1 Connection Interface is attached to master unit. Display Function setup Function setup (In case of group control operation) driver *2 Weekly timer is not connectable to Display Display the sub remote controller.

  • Page 25: Control Specifications

    7-2. Control Specifications Item Outline of specifications Remarks When power 1) Distinction of outdoor units supply is reset When the power supply is reset, the outdoors are distinguished, and control is exchanged according to the distinguished result. 2) Setting of speed of the indoor fan/setting whether to adjust air direction or not.
  • Page 26 Item Outline of specifications Remarks Room 1) Adjustment range Remote controller setup tem- temperature perature (°C) control COOL/ Heating Auto operation operation Wired type 18 to 29 18 to 29 18 to 29 Wireless type 18 to 30 16 to 30 17 to 27 2) Using the item code 06, the setup temperature in Shift of suction tempera-...
  • Page 27 Item Outline of specifications Remarks Air speed <HEAT> Ta (˚C) selection (Continued) L(L) (-0.5) –1.0 L(H) H(H) (+0.5) +1.0 (HH) (+1.0) +2.0 (+1.5) +3.0 (HH) (+2.0) +4.0 Value in the parentheses indicates one when thermostat of the remote controller works. Value without parentheses indicates one when thermostat of the body works.
  • Page 28 Item Outline of specifications Remarks Cool air 1) In heating operation, the indoor fan is controlled based In D or E zone, the priority discharge on the detected temperature of Tc sensor or Tcj sensor. is given to setup of air preventive As shown below, the volume exchange.
  • Page 29 Item Outline of specifications Remarks Drain pump control 1) In cooling operation (including Dry operation), the drain pump is usually operated. 2) If the float switch operates while drain pump operates, the compressor stops, the drain pump continues the operation, and a check code is output.
  • Page 30 Item Outline of specifications Remarks <In case of wired remote controller> Frequency fixed operation 1. When pushing [CHECK] button for 4 seconds or more, (Test run) [TEST] is displayed on the display screen and the mode enters in Test run mode. 2.
  • Page 31 Item Outline of specifications Remarks Central control 1) Setting at the central controller side enables to select mode selection the contents which can be operated on the remote controller at indoor unit side. 2) RBC-AMT31E [Last push priority] : (No display) The operation contents can be selected from both remote controller and central controller of the indoor unit side, and the operation is performed with the...

  • Page 32: Indoor Print Circuit Board

    Filter/Option error input EEPROM Connection interface Microcomputer operation LED DC fan output Indoor/Outdoor inter-unit cable Optional power supply Remote controller power supply LED DC fan return Drain pump output Float SW Fan output TCJ sensor EXCT HA (T10) TA sensor Remote controller inter-unit cable Used for DISP...

  • Page 33: Circuit Configuration And Control Specifications

    8. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS 8-1. Indoor Control Circuit 8-1-1. Outline of Main Controls 1. Pulse Motor Valve (P.M.V.) control 1) PMV is controlled with 50 to 500 pulses during operation, respectively. 2) In cooling operation, PMV is controlled with the temperature difference between TS sensor and TC sensor.
  • Page 34 8-1-2. Indoor P.C. Board Optional Connector Specifications Connector Function Specifications Remarks Option output CN60 DC12V (COM) Defrost output ON during defrost operation of outdoor unit Thermo. ON output ON during Real thermo-ON (Comp ON) Cooling output ON when operation mode is in cooling system (COOL, DRY, COOL in AUTO cooling/heating) Heating output ON when operation mode is in heating system...

  • Page 35: Troubleshooting

    9. TROUBLESHOOTING 9-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments • + and – screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal.
  • Page 36 <Wireless remote controller type> 1. Before troubleshooting 1) Required tools/instruments • + and – screwdrivers, spanners, radio cutting pliers, nippers, etc. • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal. 1. Compressor does not operate. •...

  • Page 37: Check Code List

    9-2. Check Code List Error mode detected by indoor and outdoor units ¥ ¡ : Flash, : Go on, : Go off Diagnostic function Wireless sensor Wired remote lamp display controller Judgment and measures Status of air Cause of operation Condition conditioner Operation...
  • Page 38 ¥ ¡ : Flash, : Go on, : Go off Diagnostic function Wireless sensor Wired remote lamp display controller Judgment and measures Status of air Cause of operation Condition conditioner Operation Timer Ready Check code ¥ ¥ Unset indoor capacity Displayed when 1.
  • Page 39 Error mode detected by remote controller ¥ ¡ : Flash, : Go on, : Go off Diagnostic function Wireless sensor Wired remote lamp display controller Judgment and measures Cause of operation Status of air conditioner Condition Operation Timer Ready Check code No communication with master indoor unit Remote controller power error, Defective indoor EEPROM •...

  • Page 40: Error Mode Detected By Led On Outdoor P.c. Board

    9-3. Error Mode Detected by LED on Outdoor P.C. Board RAV-SM562AT-E / RAV-SP562AT-E <SW801: LED display in bit 1, bit 2 OFF> • When multiple errors are detected, the latest error is displayed. ¡ • When LED display is (Go on), there is the main cause of trouble on the objective part of control at CDB side and the unit stops.

  • Page 41: Troubleshooting Procedure For Each Check Code

    9-4. Troubleshooting Procedure for Each Check Code 9-4-1. Check Code [E01 error] Correct inter-unit cable of remote controller. Is inter-unit cable of A and B normal? Is there no disconnection Correct connection of connector. or contact error of connector on harness Check circuit cables.
  • Page 42 [E04 error] Does outdoor unit operate? Is setup of group address correct? Check item code [14]. Are 1, 2, 3 inter-unit cables normal? Correct inter-unit cable. Are connections from connectors of inter-terminal blocks (1, 2, 3) Correct connection of connector. of indoor/outdoor units normal? Check indoor P.C.
  • Page 43 [E10 error] ® Check indoor control P.C. board (MCC-1402). Defect Replace [E18 error] Correct inter-unit cable of remote controller. Is inter-unit cable of A and B normal? Is there no disconnection Correct connection of connector. or contact error of connector on harness Check circuit cables.
  • Page 44 [L20 error] Correct cable connection Are cable connections to communication line U3, U4 normal? Are not multiple same central Correct central control network address. control network addresses connected? ® Check central controller (including connection interface) indoor P.C. board. Defect Replace. [L30 error] ®...
  • Page 45 [P12 error] <Only for 4-way air discharge cassette type models> Turn off the power. Are not there connections errors or Correct connection of connector. disconnection on connectors CN333 and CN334 of indoor unit P.C. board (MCC-1402)? Remove connectors CN333 and CN334 of indoor unit P.C.
  • Page 46 [P22 error] Are connections of CN301 and CN300 of P.C. board correct? Does the fan rotate without trouble CN301, CN303 when handling the fan with hands under condition of removing CN301 and CN300 from P.C. board? The status that the resistance values between leads below are 50 to 80 W for 40 W motor (ICF-140-40) and 25 to 55 W for 60 W motor (ICF-140-60-1) is normal.
  • Page 47 [P19 error] Is voltage applied Is operation of to 4-way valve coil terminal 4-way valve normal? in heating operation? Is flow of refrigerant ® Check 4-way valve by electron expansion Defect Replace valve normal? Check and replace electron expansion Is circuit cable normal? valve.
  • Page 48 [F01 error] Is connection of TCJ sensor connector Correct connection of connector. (Indoor P.C. board CN102) normal? Are characteristics of Replace TCJ sensor. TCJ sensor resistance value normal? * Refer to Characteristics-2. Check indoor P.C. board ® (MCC-1402). Defect Replace [P26 error] Improve the power supply line.
  • Page 49 [P29 error] Check and correct circuit cabling Are connections of cable/connector normal? such as cabling to compressor. Is compressor normal? ® Compressor error Replace Is not earthed? ® Is not winding shorted? Compressor error Replace (Is resistance between windings 0.6 to 1.2 ®...
  • Page 50 [F06 error] Are connections of Correct connection of connector. TE/TS sensor connectors of CDB CN604/CN605 normal? * (For RAV-SM562AT-E, CN600 TE sensor and CN603 TS sensor) Are characteristics of TE/TS sensor Replace TE and TS sensors. resistance values normal? ® Check CDB.
  • Page 51 [L29 error] In the case of SUPER DIGITAL INVERTER Are connections of CDB CN800 and CDB IPDU CN06 Correct connection of connector. connectors normal? Check cabling between IPDU Was the error just after Are cabling/connector normal? power ON determined? and CDB and connector. ®...
  • Page 52 [P03 error] Is protective control such as Are connections of Correct the cabling and connection of connector. discharge temprelease control normal? cable/connector normal? ® Check parts. Defect Replace Check and correct the charged Is charged refrigerant amount normal? refrigerant amount. Improve and delete the cause Is not abnormal overload? Are characteristics of...
  • Page 53 [P04 error] Is high-voltage protective operation by TE sensor normal? Correct connection of Is connection of cabling connector normal? cabling connector. ® Check TE sensor. Defect Replace Does cooling outdoor fan normally operate? Correct connection of Is connection of connector normal? connector.
  • Page 54 [C06 error] (Central controller) Correct communication line. Is U3, U4 communication line normal? Are connections between connectors CN51 of connection interface P.C. board Correct connection of connector. and connectors CN51 of indoor P.C. board normal? Check connections of A, B terminal blocks. Is A, B communication line normal? Correct communication line of remote controller.
  • Page 55 [E03 error] (Master indoor unit) [E03 error] is detected when the indoor unit cannot receive a signal sent from the main remote controller (and central controller). In this case, check the communication cables of the remote controllers A and B, the central control system X and Y.
  • Page 56 9-4-2. Relational Graph of Temperature Sensor Resistance Value and Temperature TA sensor TC, TCJ sensor Caracteristics-2 Caracteristics-1 Resistance Resistance –10 Temperature [˚C] Temperature [˚C] TE, TO, TS sensor Caracteristics-3 Resistance Resistance (10˚C or higher) (10˚C or lower) Temperature [˚C] TD sensor Caracteristics-4 Resistance Resistance...

  • Page 57: Replacement Of Service Indoor P.c. Board

    10. REPLACEMENT OF SERVICE INDOOR P.C. BOARD [Requirement when replacing the service indoor P.C. board assembly] In the non-volatile memory (Hereinafter said EEPROM, IC10) installed on the indoor P .C. board before replace- ment, the type and capacity code exclusive to the corresponding model have been stored at shipment from the factory and the important setup data such as system/indoor/group address set in (AUTO/MANUAL) mode or setting of high ceiling selection have been stored at installation time.
  • Page 58 r1 Readout of the setup data from EEPROM (Data in EEPROM contents, which have been changed at the local site, are read out together with data in EEPROM set at shipment from the factory.) TEST 1. Push , and buttons of the remote controller at the same time for 4 seconds or more. (Corresponded with No.
  • Page 59 r3 Writing of the setup contents to EEPROM (The contents of EEPROM installed on the service P .C. board have been set up at shipment from the factory.) TEST 1. Push , and buttons of the remote controller at the same time for 4 seconds or more. (Corresponded with No.
  • Page 60 0000: None Type Item code [10] Setup data Type Abbreviated name 0014 Compact 4-way cassette RAV-SM562MUT-E * Initial setup value of EEPROM installed on the service P .C. board Indoor unit capacity Item code [11] Setup data Type Abbreviated name 0009...

  • Page 61: Setup At Local Site And Others

    11. SETUP AT LOCAL SITE AND OTHERS 11-1. Indoor Unit 11-1-1. Test Run Setup on Remote Controller RAV-SM562MUT-E <Wired remote controller> TEST 1. When pushing button on the remote controller for 4 seconds or more, “TEST” is displayed on LC display.
  • Page 62 <In case of wireless remote controller> Procedure Description Turn on power of the air conditioner. The operation is not accepted for 5 minutes when power has been turned on at first time after installation, and 1 minute when power has been turned on at the next time and after. After the specified time has passed, perform a test operation.
  • Page 63 Item No. (DN) table (Selection of function) Item Description At shipment Filter sign lighting time 0000 : None 0002 for D.I. and S.D.I. 0002 : 2500H (4-Way/Duct/Ceiling Type) models Dirty state of filter 0000 : Standard 0000 : Standard 0001 : High degree of dirt (Half of standard time) Central control address 0001 : No.1 unit 0064 : No.64 unit...
  • Page 64 11-1-2. Cabling and Setting of Remote Controller Control 2-remote controller control <Wired remote controller> (Controlled by two remote controllers) How to set wired remote controller One or multiple indoor units are controlled by two as sub remote controller remote controllers. Change DIP switch inside of the rear side of the (Max.
  • Page 65 11-1-3. Monitor Function of Remote Controller Switch n Call of sensor temperature display <Contents> Each sensor temperature of the remote controller, indoor unit, and outdoor unit can become known by calling the service monitor mode from the remote controller. <Procedure> TEST Push buttons simultaneously for 4 seconds or more to call the service monitor mode.

  • Page 66: Calling Of Error History

    n Calling of error history <Contents> The error contents in the past can be called. <Procedure> DATA UNIT No. TEST R.C. Push buttons simultaneously for 4 seconds or more to call the service check TEMP. ON / OFF mode. TIMER SET MODE Service Check goes on, the item code displayed, and then the content of the latest alarm is...

  • Page 67: Setup At Local Site / Others

    11-2. Setup at Local Site / Others Model name: TCB-PCNT30TLE2 and TCB-PX30MUE 11-2-1. TCC-LINK Adapter (For TCC-LINK Central Control) 1. Function This model is an optional P .C. board to connect the indoor unit to TCC-LINK (Central controller). 2. Microprocessor Block Diagram Indoor unit Central controller...
  • Page 68 3) Install the spacers and P .C. board that are attached to TCB-PCNT30TLE2, on the Connection Interface Kit. Spacers (Attached to the TCB-PCNT30TLE2) P.C. board (Attached to the TCB-PCNT30TLE2) 4) Remove the 2P terminal block for the communication cable of the electric parts box on the unit, and then replace with the attached 4P terminal block for the communication wires.
  • Page 69 6) Setting for Central Control For Central Control setting, refer to the Installation Manual of the TCB-PCNT30TLE2. 7) After the installation work has been completed, install the Connection Interface Kit cover to the Connec- tion Interface Kit tightened with the two screws (4 ×10). Screw (4 ×10) Connection Hook of...

  • Page 70: Wiring Specifications

    5. Wiring Specifications • Use 2-core with no polar wire. No. of wires Size • Match the length of wire to wire length of the central Up to 1000m: twisted wire 1.25mm control system. Up to 2000m: twisted wire 2.0mm If mixed in the system, the wire length is lengthened with all indoor/outdoor inter-unit wire length at side.

  • Page 71: How To Set Up Central Control Address Number

    7. External View of P.C. Board Terminator (SW01) 8. Address Setup In addition to set up the central control address, it is necessary to change the indoor unit number. (Line/Indoor/Group address). For details, refer to TCC-LINK Adapter Installation Manual. 11-3. How to Set up Central Control Address Number When connecting the indoor unit to the central control remote controller using TCC-LINK adapter, it is neces- sary to set up the central control address number.

  • Page 72: Address Setup

    12. ADDRESS SETUP 12-1. Address Setup <Address setup procedure> When an outdoor unit and an indoor unit are connected, or when an outdoor unit is connected to each indoor unit respectively in the group operation even if multiple refrigerant lines are provided, the automatic address setup completes with power-ON of the outdoor unit.

  • Page 73: Address Setup & Group Control

    12-2. Address Setup & Group Control <Terminology> Indoor unit No. : N - n = Outdoor unit line address N (Max. 30) - Indoor unit address n (Max. 64) Group address : 0 = Individual (Not group control) 1 = Master unit in group control 2 = Sub unit in group control Master unit (= 1) : The representative of multiple indoor units in group operation sends/receives signals to/from the remote controllers and sub indoor units.

  • Page 74: Address Setup

    12-3. Address Setup In case that addresses of the indoor units will be determined prior to piping work after cabling work (Manual setting from remote controller) <Address setup procedure> (Example of 2-lines cabling) • Set an indoor unit per a remote controller. (Real line: Cabling, Broken line: Refrigerant pipe) •...
  • Page 75 n Confirmation of indoor unit No. position 1. To know the indoor unit addresses though position of the indoor unit body is recognized • In case of individual operation (Wired remote controller : indoor unit = 1 : 1) (Follow to the procedure during operation) <Procedure>...

  • Page 76: Detachments

    13. DETACHMENTS 13-1. Indoor Unit Ceiling panel: RBC-UM11PG(W)E Preparing work: 1. Before work, be sure to stop the power supply of the air conditioner and turn off switch of the power supply breaker. (Otherwise an electric shock may be caused.) 2.
  • Page 77 Part name Procedure Remarks 1. Detachment Adjust corner cover 1) Perform work of procedure of 2) Turn clockwise screws (4 positions) at the suction port corner until adjust corner cover rises up. NOTE) When you work, keep the torque at below 12N•m. Do not use an electric screwdriver;...
  • Page 78 Part name Procedure Remarks 1. Detachment Control P.C. board 1) Perform works of procedure -1- and 2) Remove the connectors connected from the control P.C. board to other parts. CN33 : Flap motor (5P, White) CN34 : Float switch (3P, Red) CN41 : Terminal block of remote controller (3P, Blue) CN40 : Terminal block of crossover between inside and outside (5P, Black) CN68 : Drain pump (3P, Blue)
  • Page 79 Part name Procedure Remarks 1. Detachment Electric parts box 1) Perform works of procedure -1-and 2) Remove connectors of the lead wire connected to the following connectors of the control P.C. board. CN33 : Flap motor (5P, White) CN34 : Float switch (3P, Red) CN68 : Drain pump (3P, Blue) CN101 : TC2 sensor (2P, Black) CN102 : TCJ sensor (2P, Red)
  • Page 80 Part name Procedure Remarks Bell mouth 1. Detachment 1) Perform work of procedure Fixing claws 2) Take off the lead wires of the drain pump, float for lead wires Bell mouth switch, and fan motor from the bell mouth. 3) Take off fixing screws of the bell mouth. (Ø4 ×...
  • Page 81 Part name Procedure Remarks Fan motor 1. Detachment Fixing nut for fan motor 1) Perform work of procedure 2) Take off screws fixed with lead holding bracket of the fan motor. (Ø4 × 10, 2 pcs.) 3) Open wiring holding part of the fan motor lead holding bracket and then take off the fan motor lead wire from the bracket.
  • Page 82 Part name Procedure Remarks Drain pan 1. Detachment 2 screws 1) Perform works of procedure -1 and 2) Remove the drain cap and extract drain water accumulated in the drain pan. NOTE) Socket of dr Socket of drain pan et of drain pan ain pan When removing the drain cap, be sure to receive drain water with a bucket, etc.
  • Page 83 Part name Procedure Remarks Heat 1. Detachment exchanger 1) Recover refrigerant gas. 2) Remove the refrigerant pipe at indoor unit side. 3) Perform work of procedure Piping cover Piping cover 4) Take off screws (Ø4 × 10, 3 pcs.) fixing the piping cover to remove the piping cover.

  • Page 84: Exploded Views And Parts List

    14. EXPLODED VIEWS AND PARTS LIST 14-1. Ceiling Panel RBC-UM11PG(W)E Location Location Part No. Description Part No. Description 43109414 Grille, Air Inlet 43122091 Joint, Kit (A) 4302C059 Motor, Louver 43122092 Joint, Kit (B) 43180332 Air Filter 43122093 Louver 43497012 Screw 43107261 Outlet, Air Form 43100322...

  • Page 85: Compact 4-Way Air Discharge Cassette Type

    14-2. Compact 4-way Air Discharge Cassette Type 238, 239, 240 219 216 217 – 85 –...
  • Page 86 Location Part No. Description 43120225 Fan Ass’y, Turbo 43122094 Bell Mouth 43172185 Pan Ass’y, Drain 43121738 Motor, Fan, SWF-230-60-1R 4314J329 Refrigeration, Cycle Ass’y 4314Q034 Distributor Ass’y 43047685 Nut, Flare, 1/4 IN 43149351 Socket, 1/4 IN 43047688 Nut, Flare, 1/2 IN 43149353 Socket, 1/2 IN 43147195...
  • Page 87 Location Part No. Description 43160565 Terminal Block, 3P , AC250V, 20A, 43050425 Sensor Ass’y, Service TC (F6) 43050426 Sensor, Service, TA 43160568 Terminal, 2P , AC30V/DC42V, 1A 4316V280 P .C. Board Ass’y, MMC-1402 (220V – 240V) – 87 –...
  • Page 88 Location Part No. Description 43160565 Terminal Block, 3P , 20A 43050425 Sensor, TC (F6) 43050426 Sensor, TA 43160568 Terminal Block, 2P , 1A, AC30V 4316V280 P .C. Board Ass’y, MMC-1402 – 88 –...
  • Page 89 WARNINGS ON REFRIGERANT LEAKAGE Important Check of Concentration Limit NOTE 2 : The room in which the air conditioner is to be installed requires a design that in the event of The standards for minimum room volume are as refrigerant gas leaking out, its concentration will not follows.
  • Page 90 TOSHIBA CARRIER CORPORATION 2 CHOME 12-32, KONAN, MINATOKU, TOKYO, 108-0075, JAPAN Copyright © 2005 TOSHIBA CARRIER CORPORATION, ALL Rights Reserved.

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