Mitsubishi SRK13YJV-S Technical Manual & Parts List
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Mitsubishi SRK13YJV-S Technical Manual & Parts List

Residential air-conditioning
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Manual No.'10•SRK-T-103
RESIDENTIAL AIR-CONDITIONING
TECHNICAL MANUAL & PARTS LIST
INVERTER WALL MOUNTED TYPE
RESIDENTIAL AIR-CONDITIONER
(Split system, air cooled cooling only type)
SRK10YJV-S, 13YJV-S

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  • Page 1 Manual No.'10•SRK-T-103 RESIDENTIAL AIR-CONDITIONING TECHNICAL MANUAL & PARTS LIST INVERTER WALL MOUNTED TYPE RESIDENTIAL AIR-CONDITIONER (Split system, air cooled cooling only type) SRK10YJV-S, 13YJV-S...
  • Page 2 TECHNICAL MANUAL...
  • Page 3 '10 • SRK-T-099 CONTENTS 1. SPECIFICATIONS ..................2. EXTERIOR DIMENSIONS ................(1) Indoor units ..................(2) Outdoor units ..................(3) Wireless remote controller ..............3. ELECTRICAL WIRING ................. (1) Indoor units ..................(2) Outdoor units ..................4. PIPING SYSTEM ..................10 5.
  • Page 4 '10 • SRK-T-099 (8) Phenomenon observed after shortcircuit, wire breakage on sensor ..45 (9) Checking the indoor electrical equipment ........... 45 (10) How to make sure of wireless remote controller ........46 (11) Outdoor unit inspection points .............. 47 ■How to read the model name Example: SRK 10 Y JV-S...

  • Page 5: Specifications

    1. SPECIFICATIONS Adapted to RoHS directive SRK10YJV-S Model Item Indoor unit SRK10YJV-S Outdoor unit SRC10YJV-S Cooling capacity (1) 2500 (1000 (Min.)~2700 (Max.)) Power supply 1 Phase, 220 V, 50Hz Power Cooling 0.70 (0.21~0.88) consumption Running Cooling current Operation data (1) Inrush current Cooling 3.57...

  • Page 6: Exterior Dimensions

    Adapted to RoHS directive SRK13YJV-S Model Indoor unit SRK13YJV-S Outdoor unit SRC13YJV-S Item Cooling capacity (1) 3500 (1000 (Min.)~3700 (Max.)) Power supply 1 Phase, 220 V, 50Hz Power Cooling 0.99 (0.21~1.24) consumption Running Cooling current Operation data (1) Inrush current Cooling 3.54...
  • Page 7 Symbol Content 17.5 Gas piping 9.52 3 8" Flare Liquid piping 6.35 1 4" Flare Hole on wall for right rear piping Hole on wall for left rear piping Drain hose VP16 Outlet for wiring Outlet for piping on both side Terminal block Outlet for down piping Refer to the above view...
  • Page 8 50.6 Notes 1 It must not be surrounded by walls on the four sides. 390.6 2 The unit must be fixed with anchor bolts. An anchor bolt must not protrude more the 15mm. 3 Where the unit is subject to strong winds, lay it in such a direction that the blower outlet faces perpendicularly to the dominant wind direction.

  • Page 9: Wireless Remote Controller

    (3) Wireless remote controller Unit: mm 17.3...

  • Page 10: Outdoor Units

    POWER SOURCE ～220V 50Hz Item Description CNE-CNU Connector CONTROL Fan motor Flap motor Louver motor Humidity sensor HEAT EXCHANGER Room temp. sensor 1 3 4 5 Heat exch. sensor Diode stack Fuse Terminal block Varistor 52C-4 250V 3.15A Mark Color Black Blue 52C-3...

  • Page 11: Indoor Units

    TERMINAL PWB ASSY BLOCK POWER T1 T2 TRANSISTOR t゜ 250V 15A R.IN （BK） （RD） TO INDOOR UNIT 250V 20A NOISE （WH） POWER WIRES FILTER 3～ S.IN （BK） （WH） SIGNAL WIRE F3 250V 1A POWER SOURCE （Y／G） ～220V 50Hz （RD） CIRCUIT CNFAN （Y／G）...

  • Page 12: Piping System

    '09•SRK-DB-087D 5 PIPING SYSTEM 4. PIPING SYSTEM Model SRK10YJV-S Models SRK20ZJ-S, 25ZJ-S Model SRK35ZJ-S Model SRK13YJV-S Humidity sensor (HD)

  • Page 13: Range Of Usage & Limitations

    5. RANGE OF USAGE & LIMITATIONS SRK10YJV-S, 13YJV-S Net capacity = Capacity shown on specification Correction factors as follows. (1) Coefficient of cooling capacity in relation to temperatures Cooling Applicable range Depends on installed situation Indoor air W.B. temperature °C W.B. ISO-T1 Standard Condition...
  • Page 14 (2) Correction of cooling capacity in relation to one way length of refrigerant piping Piping length [m] Cooling 0.99 0.975 0.965 0.95 0.935 How to obtain the cooling capacity SRK13YJV-S SRK13YJV-S...

  • Page 15: Application Data

    6. APPLICATION DATA Safety precautions • When install the unit, be sure to check whether the selection of installation place, power supply specifications, usage limitation (piping length, height differences between indoor and outdoor units, power supply voltage and etc.) and installation spaces. •...
  • Page 16 CAUTION • Use the circuit breaker with sufficient breaking capacity. • Take care when carrying the unit by hand. If the breaker does not have sufficient breaking capacity, it can cause the unit If the unit weights more than 20kg, it must be carried by two or more per- malfunction and fire.

  • Page 17: Selection Of Installation Location

    Standard accessories Necessary tools for the installation work (Installation kit) Q'ty Accessories for indoor unit Plus headed driver (Phillips screwdriver) Installation board Knife (Attached to the rear of the indoor unit) Wireless remote control Tape measure Remote contorol holder Hammer Tapping screws (for installation board 4dia.

  • Page 18: Installation Of Indoor Unit

    Limitations for one way piping length and vertical height difference Model SRK10YJV-S Item SRK13YJV-S Total one way piping length (R) Max. 15 m Vertical height difference (h) Max. 10 m Installation of indoor unit Installation of installation board INSTALLATION SPACE (INDOOR UNIT)
  • Page 19 Terminal block Preparation of indoor unit Screw* 1 Mounting of connecting wires a Remove the lid. b Remove the wiring clamp. Clamp c Connect the connecting wire securely to the terminal block. Use cable for interconnection wiring to avoid loosening of the wires.
  • Page 20 5 Securing the indoor unit to the installation board Indoor unit Installing steps Installation board Latch (2 locations) 1.Hook the upper part of the indoor unit to the installation board. Installation board 2.The unit can be installed Wall simply by gently push- ing in the lower part.

  • Page 21: Installation Of Outdoor Unit

    Installation of outdoor unit 1 Make sure that the unit is stable in installation. Fix the unit to stable base. 2 Perfrom wiring, making wire terminal numbers conform to terminal numbers of indoor unit terminal block. 3 Earth lead wire shall be longer than the other lead wires for the electrical safety in case of the slipping out of the cord from the anchorage.

  • Page 22: Air Purge

    Air purge 1 Tighten all flare nuts in the pipings both Compound pressure gauge Operation valve Pressure gauge indoor and outside wall so as not to Operation valve cause leak. Gauge manifold (two-way valve) (Designed specifically for R410A) -0.1MPa 2 Connect service valve, charge hose, (-76cmHg) manifold valve and vacuum pump as is Handle Lo...

  • Page 23: Installation Of Remote Control Switch

    Installation of remote control switch Mounting method of battery Fixing to pillar or wall • • Uncover the remote control switch, and mount the bat- Conventionally, operate the wireless remote control teries [R03(AAA, Micro)×2 pieces] in the body regu- by holding in your hand. larly.

  • Page 24: Outline Of Operation Control By Microcomputer

    7. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER Operation and indication section for remote control (1) Operation control function by remote controller SRK10YJV-S SRK13YJV-S Remote controller S Operation section Operation section FAN SPEED button OPERATION MODE select button Each time the button is pushed, the Each time the button pushed, the indicator is switched over in turn.

  • Page 25: Unit On/Off Button

    Unit indication section SRK10YJV-S RUN light (green) SRK13YJV-S Illuminates during operation and CLEAN operation. TIMER light (yellow) Illuminates during TIMER operation. (2) Unit ON/OFF button When the remote controller batteries become weak, or if the remote controller is lost or malfunctioning, this button may be used to turn the unit on and off.

  • Page 26: Flap And Louver Control

    '09•SRK-DB-087D (5) Flap and louver control (a) Flap (Flap stopped) (Swing) Angle of Flap from Horizontal Remote controller display Approx. 10° Approx. 20° Approx. 30° Approx. 45° Approx. 60° COOL , DRY, FAN (b) Louver (Louver stopped) (Swing) (Spot) (Wide) Angle of Louver Remote controller display...

  • Page 27: D Auto Operation

    '09•SRK-DB-087D (6) 3D auto operation Air flow selection Operation mode AUTO < = Indoor temp. – Setting temp. >5°C Indoor temp. – Setting temp. 5°C At cooling HIGH POWER AUTO Cooling Flap Up/down Swing Louver Wide (Fixed) Cooling Flap Horizontal blowing (Fixed) Louver Left/right Swing Cooling...

  • Page 28: Timer Operation

    '09•SRK-DB-087D (7) Timer operation (a) Comfortable timer setting (ON timer) (b) Sleep timer operation (c) OFF timer operation (8) Installation location setting Installation location settin (a) Setting Take the air conditioning unit’s location into account and adjust the left/ri If the air conditioning unit is running, press the ON/OFF button to stop. Press the AIR FLOW (UP/DOWN) button and the AIR FLOW...

  • Page 29: Outline Of Cooling Operation

    Fuzzy operation During the fuzzy operation, the air flow and the compressor command speed are controlled by calculating the difference between the room temperature setting correction temperature and the suction air temperature. Model SRK10YJV-S SRK13YJV-S Fan speed Auto 20~74rps 20~98rps...

  • Page 30: Protective Control Function

    (11) Protective control function (a) Frost prevention for indoor heat exchanger (During cooling or dehumidifying) Operating conditions Indoor heat exchanger temperature (Th) is lower than ºC. Compressor command  minutes after reaching the compressor command speed except 0 rps. speed Detail of anti-frost operation Upper limit...
  • Page 31 (d) Current safe Purpose: Current is controlled not to exceed the upper limit of the setting operation current. Detail of operation: Input current to the converter is monitored with the current sensor fixed on the printed circuit board of the outdoor unit and, if the operation current value reaches the limiting current value, the compressor command speed is reduced.

  • Page 32: Maintenance Data

    8. MAINTENANCE DATA (1) Cautions (a) If you are disassembling and checking an air conditioner, be sure to turn off the power before beginning. When working on indoor units, let the unit sit for about 1 minute after turning off the power before you begin work. When working on an outdoor unit, there may be an electrical charge applied to the main circuit (electrolytic condenser), so begin work only after discharg- ing this electrical charge (to DC 10 V or lower).

  • Page 33: Troubleshooting Procedure (If The Air Conditioner Runs)

    (4) Troubleshooting procedure (If the air conditioner runs) Confirm the contents of the customer complaint. The cause of the trouble can be specifically identified. Eliminate the cause of the trouble and perform an Check the self-diagnosis display. operation check. See page 32. Is an error code displayed by Using the Service mode, access the self-diagnosis the self-diagnosis function? displays generated in the past.

  • Page 34: Self-Diagnosis Table

    (5) Self-diagnosis table When this air conditioner performs an emergency stop, the reason why the emergency stop occurred is displayed by the flashing of display lights. If the air conditioner is operated using the remote controller 3 minutes or more after the emergency stop, the trouble display stops and the air conditioner resumes operation. Indoor unit display panel Description Cause Display (flashing) condition TIMER of trouble...

  • Page 35: Service Mode (Trouble Mode Access Function)

    (6) Service mode (Trouble mode access function) This air conditioner is capable of recording error displays and protective stops (service data) which have occurred in the past. If self-diagnosis displays cannot be confirmed, it is possible to get a grasp of the conditions at the time trouble occurred by checking these service data. (a) Explanation of terms Explanation Term The service mode is the mode where service data are displayed by flashing of the display lights Service mode when the operations in item (b) below are performed with the indoor controller.
  • Page 36 *3: To count the number of flashes in the service mode, count the number of flashes after the light lights up for 1.5 second initially (start signal). (The time that the light lights up for 1.5 second (start signal) is not counted in the number of flashes.) • In the case of current safe (heating CT1) (example: stop code “32”) The RUN light (10’s digit) flashes 3 times and the TIMER light (1’s digit) flashes 2 times. 3 ×...
  • Page 37 ② Stop data Remote controller setting Displayed data Operation Fan speed Temperature switching switching setting 21ºC Displays the reason for the stop (stop code) the previous time when the air conditioner was stopped by protective stop control. 22ºC Displays the reason for the stop (stop code) 2 times previous when the air conditioner was stopped by protective stop control. 23ºC Displays the reason for the stop (stop code) 3 times previous when the air conditioner was stopped by protective stop control.
  • Page 38 Number of flashes when in service mode Stop code Error content Auto Error Occurrence conditions Cause TIMER recovery display light light Error code Minor category Major category (10’s digit) (1’s digit) Overcharge Cooling overload 1 When there is a current safe stop in overload 1 mode 1 time Compressor lock (outdoor temperature:...
  • Page 39 Note (1) The number of flashes when in the Service Mode do not include the 1.5 second period when the lights light up at first (starting signal). (See the example shown below.) • In the case of current safe (heating CT1) (example: stop code “32”) The RUN light (10’s digit) flashes 3 times and the TIMER light (1’s digit) flashes 2 times. 3 × 10 + 2 × 1 = 32 → From the table, read the instructions for error code 32, “Current safe (heating CT1). 1.5 sec.
  • Page 40 (e) Room temperature sensor temperature, indoor heat exchanger sensor temperature, outdoor air tempera- ture sensor temperature, outdoor heat exchanger sensor temperature table Units: ºC TIMER light (1’s digit) RUN light (10’s digit) Buzzer sound (sounds for 0.1 second) (does not sound) * If no data are recorded (error code is normal), the display for each sensor becomes as shown below.
  • Page 41 Discharge pipe temperature table Units: ºC TIMER light (1’s digit) RUN light (10’s digit) Buzzer sound (sounds for 0.1 second) (does not sound) * If no data is recorded (error code is normal), the display for sensor becomes as shown below. Sensor value displayed when the error code is normal Sensor name -64ºC...
  • Page 42 Service data record form Customer Model Date of investigation Machine name Content of complaint Display results Remote controller settings Display content Content of displayed data Temperature setting Operation switching Fan speed switching Buzzer (Yes/No.) RUN light (Times) TIMER light (Times) Error code on previous occasion.

  • Page 43: Inspection Procedures Corresponding To Detail Of Trouble

    (7) Inspection procedures corresponding to detail of trouble Sensor error [Broken sensor wire, connector poor connection] Is connector connection good? Correct connection. Is sensor resistance value good? Replace sensor. Replace PCB. ◆ Sensor temperature characteristics ◆ Discharge pipe sensor temperature characteristics (Room temp., indoor heat exchanger temp., outdoor heat exchanger temp., outdoor air temp.)

  • Page 44: Current Cut

    Current cut [Open phase on compressor output terminal, compressor lock] Does current cut operate when Defective outdoor PCB operating inverter with compressor wire disconnected? Is output voltage applied to all 3 Defective outdoor PCB phases of power transistor? Secure space for suction Is there any shortcircuit? and blow out.
  • Page 45 [Gas shortage, defective discharge Over heat of compressor pipe sensor] Is discharge pipe sensor Connector connection check, resistance resistance value good? value check, replacement of discharge pipe (page 41) sensor Check if there are any Does trouble persist after Is sufficient quantity of refrigerant places where gas is leaking.
  • Page 46 [Defective fan motor, connector Outdoor fan motor error poor connection, defective PCB] Is connector connection good? Correct connector connection Is DC fan motor resistance value good? * Disconnect the fan motor connector, then investigate the DC fan motor and out- door PCB separately.
  • Page 47 (8) Phenomenon observed after shortcircuit, wire breakage on sensor (a) Indoor unit Phenomenon Operation Sensor mode Shortcircuit Broken wire Room temperature Release of continuous compressor operation command Continuous compressor operation command is not released. Cooling sensor Continuous compressor operation command is not released. Heat exchanger Cooling System can be operated normally.
  • Page 48 (b) Indoor unit fan motor check procedure This is a diagnostic procedure for determining if the indoor unit fan motor or the indoor PCB is broken down. 1) Indoor PCB output check a) Turn off the power. b) Remove the front panel, then disconnect the fan motor lead wire connector. c) Turn on the power.
  • Page 49 ◆ Check point of outdoor unit CAUTION- HIGH VOLTAGE High voltage is produced in the control box. Don't touch electrical parts in the control box for 5 minutes after the unit is stopped. Color symbol ◆Inspection power transistor Mark Color Remove the fasten terminal and test output voltage Black Orange...
  • Page 50 (a) Inspection of electronic expansion valve Electronic expansion valve operates for approx. 10 seconds after the power on, in order to determine its aperture. Check the operating sound and voltage during the period of time. (Voltage cannot be checked during operation in which only the aperture change occurs.) If it is heard the sound of operating electronic expansion valve, it is almost normal.

  • Page 52: Parts List

    PARTS LIST INDOOR UNIT SRK10YJV-S , SRK13YJV-S OUTDOOR UNIT SRC10YJV-S , SRC13YJV-S...
  • Page 53 PANEL & FAN ASSY CRAE0229...
  • Page 54 SRK10YJV-S END ITEM NO. : RMA002F016C Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1～6 RMA102A100C PANEL ASSY,FRONT 1 RKX122A300N PANEL,FRONT 2 RMA435A100B PANEL,AIR INLET 3 RKX437A300 FILTER,AIR 2 W315.5×H299.7(t2) 4 RKX129A013 5 RKX129A014 HOLDER,FILTER 6 RKX133A300 PLATE,ORNAMENT 7～27 RKX435A302C GRILLE ASSY,AIR OUT...
  • Page 55 HEAT EXCH. & CONTROL CRAE0230...
  • Page 56 SRK10YJV-S END ITEM NO. : RMA002F016C Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1～8 RKX301A302 HEAT EXCH ASSY(AIR) 2 RKX315D006 HEADER ASSY 3 RKX321A034 PIPE 4 RKX129A016 BRACKET ASSY(L) 5～7 RKX321A001 PIPE ASSY 6 SSA323F088 UNION(SLD) FOR GAS 7 SSA323F088A...
  • Page 57 PANEL & FAN ASSY CRAE0229...
  • Page 58 SRK13YJV-S END ITEM NO. : RMA002F016D Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1～6 RMA102A100C PANEL ASSY,FRONT 1 RKX122A300N PANEL,FRONT 2 RMA435A100B PANEL,AIR INLET 3 RKX437A300 FILTER,AIR 2 W315.5×H299.7(t2) 4 RKX129A013 5 RKX129A014 HOLDER,FILTER 6 RKX133A300 PLATE,ORNAMENT 7～27 RKX435A302C...
  • Page 59 HEAT EXCH. & CONTROL CRAE0231...
  • Page 60 SRK13YJV-S END ITEM NO. : RMA002F016D Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1～12 RKX301A007B HEAT EXCH ASSY(AIR) 2 RKX315D005 HEADER ASSY 3 RKX129A016 BRACKET ASSY(L) 4～8 RKX315A004 DISTRIBUTOR ASSY 4 RKX315A003 DISTRIBUTOR 5 RKX315B001...
  • Page 61 PANEL & FAN ASSY CRBE0294...
  • Page 62 SRC10YJV-S END ITEM NO. : RMC003F022B Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1 RCV122A001 PANEL,FRONT 2 RCV123A001 PANEL,SIDE(R) 3 RCV124A001 PANEL,TOP 4 RCV132A003 COVER ASSY,SERVICE 5 RCV435A001A GRILLE,AIR OUTLET 6 SSA944B036B HANDLE 7 RCV142A001 COVER(TB) 8 SSA913A034F SCREW,TAP...
  • Page 63 HEAT EXCH. & CONTROL (LIQ.) (GAS) 28 21 21・26 21・27 CRBE0291 CONTROL ASSY...
  • Page 64 SRC10YJV-S END ITEM NO. : RMC003F022B Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1 RCV301A001 HEAT EXCH ASSY(AIR) 2 RCK325A501C PIPE,SHELL 3～5 RMC304A018 PIPING ASSY(EXPAN) 3 SSA387F051 VALVE,BODY(EXP) 4 RMC315B016 CAPILLARY 2.6× 4.0 L300 5 RCN325A700 PIPE,SHELL 6 RCS116A004 BRACKET,VALVE...
  • Page 65 PANEL & FAN ASSY CRBE0294...
  • Page 66 SRC13YJV-S END ITEM NO. : RMC003F022C Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1 RCV122A001 PANEL,FRONT 2 RCV123A001 PANEL,SIDE(R) 3 RCV124A001 PANEL,TOP 4 RCV132A003 COVER ASSY,SERVICE 5 RCV435A001A GRILLE,AIR OUTLET 6 SSA944B036B HANDLE 7 RCV142A001 COVER(TB) 8 SSA913A034F SCREW,TAP...
  • Page 67 HEAT EXCH. & CONTROL (LIQ.) (GAS) 21・26 21・27 CRBE0292 CONTROL ASSY...
  • Page 68 SRC13YJV-S END ITEM NO. : RMC003F022C Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1 RCV301A007 HEAT EXCH ASSY(AIR) 2 RCK325A501C PIPE,SHELL 3～5 RMC304A018 PIPING ASSY(EXPAN) 3 SSA387F051 VALVE,BODY(EXP) 4 RMC315B016 CAPILLARY 2.6× 4.0 L300 5 RCN325A700 PIPE,SHELL 6 RCS116A004 BRACKET,VALVE...
  • Page 69 RESIDENTIAL AIR-CONDITIONING TECHNICAL MANUAL & PARTS LIST...

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