Gebruiksaanwijzing /service van het product RAV-SM802KRT-E van de fabrikant Toshiba
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R410A RAV-SM562KRT-E RAV-SM802KRT-E HI WALL TYPE (INDOOR UNIT) SERVICE MANUAL F I L E NO .SVM-050 53 -1 Rev. Mar , 200 6.
CONTENTS 1 . SPECIFIC A TION S ................................................................................................ 2 2 . CONST R UCTION VIEWS (EXTERNAL VIEWS) ................................................. 4 3 . SYSTEM A TIC REFRIGER A TING CYCLE DI A GRAM .
– 2 – 1-1. High-Wall Type (Indoor Unit) Note 1 : The cooling capacities and electrical characteristics are measured under the conditions speciied by JIS B 8616 based on the reference piping. The ref erence piping consists of 3 m of main piping and 2 m of branch piping connected with 0 meter height.
– 3 – Operation characteristic curve <Cooling> <Heating> • Capacity variation ratioaccor ding to temperature <Cooling> <Heating> 0 02 0 15 40 60 70 80 100 2 4 6 8 10 12 14 Compressor speed (r ps) Current (A) • Conditions Indoor : DB27 C/WB19°C Outdoor : DB35°C Air flow : High Pipe length : 7.
– 4 – High- W all T ype R A V - SM562K R T -E/R A V - SM802K R T - E 2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) Air outlet Air inlet 998 220 50 75 8 Knock out system 75 56 50 Back body Front panel Grille inlet 298 75 7 51 Knock out system 55 or more Minimum distance to ceiling 100 40 48 450 20 20 48 100 ∅ 65 998 298 10 763.
3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 3-1. Hi Wall type R A V -SM562KRT-E/SM802KRT-E NO TE : The refr igerating cycle diff ers according to the combined outdoor units. F or the cycle diagram, cycle pressure, etc., ref er to the follo wing Ser vice Manual.
4. WIRING DI A GRAM 4-1. Hi Wall type (Indoor unit) R A V -SM562KRT-E/SM802KRT-E FM TA TC TCJ LM : F an motor : Indoor temp. sensor : T emp. sensor : T emp.
5. SPECIFICATIONS OF ELECTRICAL PARTS 5-1. Indoor Unit High- W all T ype R A V - SM562K R T -E/R A V - SM802K R T - E No. 1 2 3 4 5 Specifications Output (Rated) 30 W , 220 – 240 V 10 k W at 25 °C 10 k W at 25 °C P arts name F an motor (for indoor) Grille motor Thermo.
6. REFRIGERANT R410A This air conditioner adopts the new refr igerant HFC (R410A) which does not damage the oz one la y er . The working pressure of the new refrigerant R410A is 1.
T able 6-2-1 Thicknesses of annealed copper pipes Nominal diameter 1/4 3/8 1/2 5/8 Outer diameter (mm) 6.35 9.52 12.70 15.88 Thickness (mm) R410A R22 0.80 0.80 0.80 0.80 0.80 0.80 1.00 1.00 (2) Joints F or copper pipes, flare joints or sock et joints are used.
c) Inser tion of Flare Nut d) Flare Processing Mak e cer tain that a clamp bar and copper pipe hav e been cleaned. By means of the clamp bar , perf or m the flare processing correctly . Use either a flare tool for R410A or conv en- tional flare tool. Flare processing dimensions diff er according to the type of flare tool.
T able 6-2-6 Flare and flare nut dimensions for R22 Nominal Outer diameter Thic kness diameter (mm) (mm) 1/4 6.35 0.8 3/8 9.52 0.8 1/2 12.70 0.8 5/8 15.88 1.0 3/4 19.05 1.0 Dimension (mm) ABCD 9.0 9.2 6.5 13 13.0 13.5 9.7 20 16.2 16.0 12.9 20 19.4 19.
6-3. T ools 6-3-1. Required T ools The ser vice por t diameter of pack ed v alv e of the outdoor unit in the air conditioner using R410A is changed to pre v ent mixing of other refr igerant. T o reinf orce the pressure-resisting strength, flare processing dimensions and opposite side dimension of flare nut (For Ø 12.
6-4. Rechar ging of Refrig erant When it is necessar y to recharge refr igerant, charge the specified amount of new refrigerant according to the f ollowing steps . 1. N e v er charge ref r igerant e xceeding the specified amount. If the specified amount of ref r ige r ant cannot be charged, charge ref r igerant bit b y bit in COOL mode.
Be sure to make setting so that liquid can be charged. When using a cylinder equipped with a siphon, liquid can be charged without tur ning it upside down. It is necessar y for charging refrigerant under condition of liquid because R410A is mixed type of refr igerant.
(2) Characteristics required for flux 1. Activated temperature of flux coincides with the brazing temperature. 2. Due to a wide effectiv e temperature r ange, flux is hard to carbonize. 3. It is easy to remove slag after brazing. 4. The corrosive action to the treated metal and brazing filler is minimum.
7. INDOOR UNIT CONTROL 7-1. Indoor Contr ol Circuit Indoor control P .C. board (MCC-1510) Display LED CPU EEPROM T A sensor Display LCD Function setup K ey s witch #1 Header unit #3 AB Indoor unit Mai.
INDOOR UNIT CONT R OL CIRCUIT (Cont i n ued) 7- 2. Cont r ol Specifications NO . 1 2 3 Item Control at pow er-on reset Operation mode s witching Room temperature control Overview of specifications (1) Identification of outdoor unit Identifies outdoor unit at pow er-on reset, and switches control according to the identification result.
Overview of specifications (2) The set temperature f or HEA T operation can be corrected by code No . 06. F actor y setting * When use of remote controller sensor is set (with DN32), no correction is performed. (1) Issues instruction of operating frequency to outdoor unit according to the difference betw een T a and Ts.
INDOOR UNIT CONT R OL CIRCUI T (Cont i n ued) NO . 6 Item F an speed control Overview of specifications (1) A f an speed HH (quick high), H (high), L (lo w) or A UT O is selected according to the instruction from remote controller for F AN mode operation.
NO . 6 Item F an speed control Overview of specifications (3) When thermo sensor tur ns OFF during heating, the fan speed mode becomes UL (weak). (4) When T a is 25 °C or abov e at the beginning of H.
INDOOR UNIT CONT R OL CIRCUI T (Cont i n ued) 8 Item F reezing pre vention control (low-temp. release) Overview of specifications (1) P erforms the follo wing operation control in the COOL or DR Y mode according to the Tc (or Tcj) sensor detect temper ature.
NO . 11 Item Flap control Overview of specifications (1) During the first operation after power on, flap position is controlled automatically according to operation mode (COOL/HEA T). (2) When louv er position is controlled by remote controller , the unit’ s microcomputer memorizes the position f or use in the next operation.
INDOOR UNIT CONT R OL CIRCUI T (Cont i n ued) 12 Item HA control Overview of specifications (1) When connected to a remote control system (tele-control or remote on/off interface), oper ation ON/OFF can be controlled b y the HA signal input. (2) Outputs operation ON/OFF status to the HA output terminal.
NO . 14 Item Central control mode s witching Overview of specifications (1) The scope of operation b y remote controller on the indoor unit side can be s witched by the setting of remote controller . (2) Scope of operation b y remote controller on the indoor unit side [Individual] : All settings and ON/OFF oper ations are av ailab le.
INDOOR UNIT CONT R OL CIRCUIT (Cont i n ued) 7- 3. P . C. Boa r d of Indoor Unit MCC-1510 5V CN101, DC5V CN102, DC5V D02 EEPROM IC10 CN67, AC200V CN309, AC200V CN40, DC SW01 CN213, DC5V CN210 CN33, DC.
57 7-4. Optional Onboa r d Connector Specifications Function T erminating resistor Remote controller A/B V entilation output HA Option output Exter nal alarm input CHK Operation check DISP DISP mode EXCT Demand Connector No . SW01 CN32 CN61 CN60 CN80 CN71 CN72 CN73 Pin No .
8. Troubleshooting 1. Guide to Troubleshooting [Wired Remote Cont r oller T ype] (1) Be f ore sta r ting t r oubleshooting (a) Necessar y tools/measuring equipment • Phillips scre wdr iv ers, flat-b lade screwdrivers , wrenches, pliers, nipper , etc.
3) Outdoor unit f an does not wor k or its f an speed changes. • Is high-temp . release operation control working dur ing heating? • Is low outside air temper ature operation control w orking dur ing cooling? • Is defrosting operation going? 4) Oper ation ON/OFF by remote controller is disab led.
Lamp indication Chec k code P03 P04 P19 P22 P26 P29 P31 F01 F02 F10 F04 F06 F08 F29 H01 H02 H03 H06 L03 L07 L08 L09 L20 L29 L30 L31 P ossib le causes Abnor mal outdoor unit discharge temperature Outdo.
Lamp indication Chec k code – – TIMER PREP ARING OPERA TION P ossib le causes T rial operation in progress Inv alid setting (A uto cooling/heating setting for auto cooling/heating unav ailable uni.
T r ou b leshooting (Cont i nued) Check Code T able (Indoor Unit) Check code TCC-LINK central control and remote controller E03 E04 E08 E10 E18 F01 F02 F10 F29 L03 L07 L08 L09 L20 L30 P01 P10 P12 P19 .
ON , Blinking , OFF , Alternate: T wo LEDs b link alternately , Simultaneous: T wo LEDs b link simultaneously Check code TCC-LINK central control and remote controller C15 F04 F06 F08 H01 H02 H03 H06 .
T r ou b leshooting (Cont i nued) Che c k Code T a b le F ailure mode detected b y indoor unit J udgment and action Diagnosis function 1. Check remote controller wiring. • No indication on remote controller LCD (disconnection) • Central controller [C06] check code 1.
F ailure mode detected by outdoor unit (Representative codes) • The chec k code used varies depending on the combination with the outdoor unit. *1 RO A-P*** is not detected by 1HS models .
T r ou b leshooting (Cont i nued) 2. T r ou b leshooting b y Remote Cont r oller Che c k Indication (1) Checking When an error occurs in the air conditioner , a check code and an indoor unit number appear on the LCD of remote controller . Chec k code is display ed only during operation.
TCC-LINK Central Control Remote Contr oller (TCB-SC642TLE) (1) Checking When an error occurs in the air conditioner , a check code and an indoor unit n umber appear on the LCD of remote controller . Chec k code is displa y ed only dur ing operation. If indication disappears, chec k errors f ollowing “Checking Error Log” below .
Check code Check code name P ossible causes I/U - R/C communication err or (detected by R/C) A Improper R/C wire connection B F ailure of I/U power supply C F ailure of I/U board D Inv alid R/C addres.
Check code Check code name P ossible causes R/C transmission error Signal transmission to indoor unit is disabled. [E02] (New code) Com. cable between R/C and I/U connected properly? YES NO Correct communication cab le. F ailure of R/C transmitter → Replace R/C .
Check code Check code name P ossible causes I/U - O/U communication err or (detected by I/U) A Improper connector connection between I/U and O/U B Improper wire connection between I/U and O/U C F ailu.
Check code Check code name P ossib le causes Duplication of R/C header R/C header setting is duplicated. [E09] (New code) Check code Check code name P ossib le causes Communication err or between head.
Check code Check code name P ossible causes I/U sensor TCJ error I/U sensor TCJ error [F01] (New code) Check code Check code name P ossib le causes I/U sensor TC error Sensor TC open or shor t-circuit [F02] (New code) Is TCJ connector CN102 connected normally? Is TCJ resistor characteristic normal? Check I/U main board.
Check code Check code name P ossib le causes I/U sensor T A error Sensor T A open or shor t-circuit [F10] (New code) This is an error of non-v olatile EEPROM IC10 on the indoor unit board, which occurs during operation. Replace the ser vice board. (About 3 minutes) (About 1 minutes) (P ower on) “SETTING” appears on the R/C.
Check code Check code name P ossible causes O/U EEPROM err or A F ailure of O/U power supply (v oltage, noise , etc.) B F ailure of O/U CDB board. [F31] (New code) Check code [E08][L03][L07][L08] (New.
Check code Check code name P ossib le causes Duplication of central control ad dress Central control address is duplicated. [L20] (New code) YES NO YES NO YES NO YES NO Are U3/U4 communication cables connected normally? When a unit connected to U3/U4 is in a group , is it set to header unit? Check and correct I/U address , central control address.
Check code Check code name P ossib le causes Malfunction of I/U fan motor A Failure of f an motor connector B F ailure of fan motor C F ailure of I/U board D F ailure of cross flow fan shaft [P12] (New code) T urn OFF the breaker . NO NO NO YES YES YES YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO NO T urn it ON 10 seconds after .
Check code Check code name P ossib le causes Malfunction of I/U fan motor A Failure of f an motor connector B F ailure of fan motor C F ailure of I/U board D F ailure of cross flow fan shaft [P12] (New code) When A C cord is plugged in, I/U f an star ts rotating.
Check code Check code name P ossible causes Other I/U error s (Group f ollower I/U err or) When an error occurs with other units in the group [P31] (New code) When header unit detects E03, L03, L07 or L08 during group operation, “P31” is indicated on f ollow er units in the group and their operation stops.
Check code Check code name P ossible causes TCC-LINK central control communication err or TCC-LINK central control communication error [C05], [C06] (Central controller) P ower ON. Correct connector connection. Correct com. cable. Remov e noise source.
T r ou b leshooting (Conti n ued) Relationship Between T emperature Sensor Resistance and T emperature Characteristic-2 Sensor TC , TCJ Characteristic-1 Sensor T A T emperature 10 20 30 40 50 20 40 0 .
9. H O W T O REPL A CE SE R VICE B O ARD OF INDOOR UNIT Requirements When Replacing Se r vice Boa r d of Indoor Unit The non-volatile EEPR OM (IC10) on the board of indoor unit stores important data s.
H O W T O REPL A CE SE R VICE B O ARD OF INDOOR UNIT (Conti n ued) *1 Reading EEP R OM Data (Read EEPROM data that w as updated at site in addition to f actory setting.) 1) Press , , and on the R/C simultaneously f or 4 seconds or more. 1 (see p a g e 52 ) * In the group control mode, the header unit n umber is displa yed first.
*3 Writing Setting Data in EEPROM (The data of the EEPROM on the service board is the factor y setting data.) 1) Press , , and on the R/C simultaneously f or 4 seconds or more . 1 (see pa g e 52 ) * In the group control mode, the header unit n umber is displa yed first.
H O W T O REPL A CE SE R VICE B O ARD OF INDOOR UNIT (Conti n ued) Example of Setting Contents to be Written D o wn (Code T a b le) DN 01 02 03 06 0C 0F 10 11 12 13 14 1E 28 2A 2b 2E 31 32 60 69 8b Item Filter sign ON time Filter contamination le v el Central control address HEA T intake temp .
11 10. ON-SITE SETTING AND O THERS 1. Indoor Unit 1.1 T rial Operation Setting b y Remote Cont r oller only. The lamps on the unit b link during tr ial operation. <Wired remote cont r oller> 1 Press on the R/C f or 4 seconds. When “TRIAL OPERA TION” appears on the LCD , press .
ON-SITE SETTING AND O THERS (Conti n ued) 1.2 Fo r ci b le Def r ost Setting b y Remote Cont r oller (wired R/C on l y ) Prelimina r y operation 1 Press , , and at the same time for 4 seconds or more in the OFF mode . In the group control mode , the header unit number is displa y ed first.
1.4 JRA Capacity Measurement Mode (wired R/C on l y ) Prelimina r y operation 1 Press , , and at the same time f or 4 seconds or more in the OFF mode. In the group control mode, the header unit n umber is displa yed first. 2 Each pressing of indicates indoor unit number in the group sequentially .
ON-SITE SETTING AND O THERS (Conti n ued) Function Select Code (DN) T a ble DN 01 02 03 06 OC OF 10 11 12 13 14 1E 28 2A 2b 2E 31 32 60 69 8b Item Filter sign ON time Filter contamination le v el Central control address HEA T intak e temp .
1.6 Wiring and Setting f or Remote Cont r oller Dou b le R/C cont r ol (when cont r olling b y t w o remote cont r oller s witches) This control is provided to control one or more indoor units b y two remote controllers . Up to 2 remote controllers can be installed.
ON-SITE SETTING AND O THERS (Conti n ued) 1.7 Monitoring Function of Remote Cont r oller Swit c h ■ ■ ■ ■ ■ Calling indication of sensor temperature <Description> Calls the ser vice monitor mode from the remote controller to monitor sensor temperatures of the remote controller , indoor units, and outdoor unit.
■ ■ ■ ■ ■ Calling error log <Description> Calls past errors. <Procedure> 1 Press and on the R/C simultaneously f or 4 seconds or more to call the ser vice check mode. “Ser vice check ” lights up and code is displa yed first to displa y the latest error .
ON-SITE SETTING AND O THERS (Conti n ued) <G r oup Control Operation> Group control allows oper ation control of up to 8 indoor units using one remote controller . It includes twin, triple, and double twin controls with one outdoor unit. The indoor unit connected to outdoor unit controls room temperature according to the R/C setting.
N Y Indoor Unit P o wer ON Sequence • Indoor units that are not supplied with po wer are in waiting mode contin uously . → System star t resets the w aiting mode.
CN40 CN41 U3 U4 ON-SITE SETTING AND O THERS (Conti n ued) 3. Connections f or Central Cont r ol 3.1 Connections f o r TCC-LINK Central Cont r o l 3.1.1 Functions Connect an indoor unit to the TCC-LINK central controller .
123 AB U3 U4 U1 U2 12 3 123 AB U3 U4 12 3 123 AB 12 3 3.1.4 Wiring Specifications Number of wires 2 Size Up to 1000m: 1.25mm2 stranded wires Up to 2000m: 2.0mm2 stranded wires Specification MVVS • A 2-wire non-polarity cable is used. • The cab le length depends on each central control system.
ON-SITE SETTING AND O THERS (Conti n ued) 3.1.5 Setting Onboa r d Switches Setting of ter minating resistors is necessar y f or central control of custom indoor units only . • Use SW01 to set terminating resistors. • Set terminating resistors f or the indoor unit only with the smallest refrigerant line address.
3.1.6 Onboa r d Switch Setting P r ocedure 1. Detach the front panel. 2. Remov e the drain guide, g round line, sensor TCJ , sensor TC, and motor leads. 3. Remov e the screws to detach the electric par ts bo x . Sensor TCJ inser tion position (Inser t the sensor dra wn from abov e electr ic par ts.
ON-SITE SETTING AND O THERS 3.1.7 Setting A d dresses Ove r vi e w T o connect custom air conditioners to the TCC-LINK centr al control system f or central control/monitoring, addresses of connected indoor units must be set in the f ollo wing procedure.
(1) Manual setting/chan g e of indoor unit refri g erant line a d dresses [In the case of 29 refrigerant systems or less (when multiple air conditioners are inc luded, their number of refrigerant syst.
ON-SITE SETTING AND O THERS (2) Ma n ual setting/chan g e of indoor unit refri g erant line a d dresses [In the case of 30 refrigerant systems or more (when multiple air conditioner s are included, their number of refrigerant systems is also inc luded)] Regar ding refrigerant systems up to No.
3.1.8 Central Cont r ol A d dress Number Setting T o connect an indoor unit to the central control remote controller , an address number for centr al control must be set. An address number f or central control is indicated as the refrigerant line number of the remote controller .
11. ADDRESS SETTING 1. A d dress Setting A d dress Setting P r ocedure When twin or triple operation is selected with one indoor unit and one outdoor unit or when one outdoor is connected to each indoor unit e v en with multiple refrigerant systems in group operation, auto address setting is completed during the power on process of outdoor unit.
2. A d dress Setting and G r oup/ T win/ T riple Cont r ol <Definition of terms> Indoor unit No . : N-n=O/U refrigerant line address N (30 max.) -I/U address n (64 max.
[2] Examples of A uto Address Setting f r om No Address Setting 1) Standard (one outdoor unit) a) Single b) T win 2) Group operation (multiple O/U = m ultiple indoor units with serial communication in.
3. A d dress Setting When determining indoor unit a d dresses with wiring completed without piping construction (Manual setting b y remote controller) <Address setting procedure> Connect a remote controller to the indoor unit whose address you w ant to set one to one.
3 2 1 1 2 3 End Operation procedure End 1 2 2 1 Operation procedure ADDRESS SETTING (Conti n ued) ■ ■ ■ ■ ■ Chec king location of indoor unit number (1) T o find the address of indoor unit whose location is clear In case of independent operation (1:1 connection of wired R/C and I/U) P erform the procedure during operation of indoor unit.
High- W all T ype R A V -SM562K R T -E/R A V -SM802K R T - E – 76 – 12. EXPLODED VIEWS AND PARTS LIST Location Part Description Location Part Description No.
R A V -SM562K R T -E/R A V -SM802K R T - E – 77 – Location Part Location Part No. No. No. No. 401 43T60047 TERMINAL 407 43T60361 FUSE 402 43160508 TERMINAL 408 43T09343 E-PARTS BASE 403 43T60321 T.
TOSHIBA CARRIER (THAILAND) CO., L TD. 1 44/9 MOO 5, BANGKADI INDUSTRIAL P ARK, TI V ANON ROAD, T AMBOL BANGKADI, AMPHUR MUANG, P A THUMTHANI 12000, THAILAND.
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