Toshiba RAV-SM2244AT8-E Service Manual
  1. Manuals
  2. Brands
  3. Toshiba Manuals
  4. Air Conditioner
  5. RAV-SM2244AT8-E
  6. Service manual
Toshiba RAV-SM2244AT8-E Service Manual

Toshiba RAV-SM2244AT8-E Service Manual

Split type
Hide thumbs Also See for RAV-SM2244AT8-E:
Table of Contents

Advertisement

Quick Links

See also: Installation Manual

SERVICE MANUAL

AIR-CONDITIONER
OUTDOOR UNIT
<DIGITAL INVERTER>
RAV-SM2244AT8-E
RAV-SM2244AT8Z-E
RAV-SM2244AT8ZG-E RAV-SM2804AT8ZG-E
RAV-SM2244AT7
RAV-SM2244AT7Z
RAV-SM2244AT7ZG
R410A
SPLIT TYPE
RAV-SM2804AT8-E
RAV-SM2804AT8Z-E
RAV-SM2804AT7
RAV-SM2804AT7Z
RAV-SM2804AT7ZG
PRINTED IN JAPAN, Jun, 2009 ToMo
FILE NO. A09-004

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RAV-SM2244AT8-E and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Toshiba RAV-SM2244AT8-E

Summary of Contents for Toshiba RAV-SM2244AT8-E

  • Page 1: Service Manual

    FILE NO. A09-004 SERVICE MANUAL AIR-CONDITIONER SPLIT TYPE OUTDOOR UNIT <DIGITAL INVERTER> RAV-SM2244AT8-E RAV-SM2804AT8-E RAV-SM2244AT8Z-E RAV-SM2804AT8Z-E RAV-SM2244AT8ZG-E RAV-SM2804AT8ZG-E RAV-SM2244AT7 RAV-SM2804AT7 RAV-SM2244AT7Z RAV-SM2804AT7Z RAV-SM2244AT7ZG RAV-SM2804AT7ZG R410A PRINTED IN JAPAN, Jun, 2009 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 7. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS ... 45 7-1. Outdoor Unit Control ..................45 7-2. Outline of Main Controls .................. 49 8. TROUBLESHOOTING ................55 8-1. Summary of Troubleshooting ................55 8-2. Troubleshooting ....................57 9. SETUP AT LOCAL SITE AND OTHERS ..........80 9-1.

  • Page 4: Safety Caution

    SAFETY CAUTION The important contents concerned to the safety are described on the product itself and on this Service Manual. Please read this Service Manual after understanding the described items thoroughly in the following contents (Indications/Illustrated marks), and keep them. [Explanation of indications] Indication Explanation...
  • Page 5 WARNING Before troubleshooting or repair work, check the earth wire is connected to the earth terminals of the main unit, otherwise an electric shock is caused when a leak occurs. If the earth wire is not correctly connected, contact an electric engineer for rework. Check earth wires.
  • Page 6 WARNING After the work has finished, be sure to use an insulation tester set (500V Megger) to check the resistance is 2MΩ or more between the charge section and the non-charge metal section (Earth position). If the resistance value is low, a disaster such as a leak or electric shock is caused at user’s side. Insulator check When the refrigerant gas leaks during work, execute ventilation.
  • Page 7 • New Refrigerant (R410A) This air conditioner adopts a new HFC type refrigerant (R410A) which does not deplete the ozone layer. 1. Safety Caution Concerned to New Refrigerant The pressure of R410A is high 1.6 times of that of the former refrigerant (R22). Accompanied with change of refrigerant, the refrigerating oil has been also changed.
  • Page 8 4. Tools 1. Required Tools for R410A Mixing of different types of oil may cause a trouble such as generation of sludge, clogging of capillary, etc. Accordingly, the tools to be used are classified into the following three types. 1) Tools exclusive for R410A (Those which cannot be used for conventional refrigerant (R22)) 2) Tools exclusive for R410A, but can be also used for conventional refrigerant (R22) 3) Tools commonly used for R410A and for conventional refrigerant (R22) The table below shows the tools exclusive for R410A and their interchangeability.
  • Page 9 n Combination Pattern (Indoor Unit / Outdoor Unit) <RAV-SM2244AT series> Simultaneous twin 4-way air discharge Concealed Ceiling type cassette type duct type RAV-SM1104UT-E RAV-SM1102BT-E RAV-SM1102CT-E RAV-SM1104UT-E RAV-SM1102BT-E RAV-SM1102CT-E Simultaneous triple 4-way air discharge Concealed High wall type Ceiling type cassette type duct type (2 series) RAV-SM804UT-E...
  • Page 10 RAV-SM2244AT series Branch kit Slimultaneous twin RBC-TWP101E SM110 — SM110 Simultaneous triple RBC-TRP100E SM80 — SM80 — SM80 Simultaneous double twin RBC-DTWP101E SM56 — SM56 — SM56 — SM56 RAV-SM2804AT series Branch kit Slimultaneous twin RBC-TWP101E SM140 — SM140 Simultaneous triple RBC-TRP100E SM80 —...

  • Page 11: Specifications

    1. SPECIFICATIONS 1-1. Indoor Unit 1-1-1. 4-Way Cassette Type <Twin type> Indoor unit 1 RAV-SM 1104UT-E 1404UT-E 1104UT-E 1404UT-E Model Indoor unit 2 RAV-SM 1104UT-E 1404UT-E 1104UT-E 1404UT-E Outdoor unit RAV-SM 2244AT8-E 2804AT8-E 2244AT7 2804AT7 Cooling capacity (kW) 20.0 23.0 20.0 23.0 Heating capacity...

  • Page 12: Duct Type

    1-1-2. Duct Type <Twin type> Indoor unit 1 RAV-SM 1102BT-E 1402BT-E 1102BT-E 14002BT-E Model Indoor unit 2 RAV-SM 1102BT-E 1402BT-E 1102BT-E 1402BT-E Outdoor unit RAV-SM 2244AT8-E 2804AT8-E 2244AT7 2804AT7 Cooling capacity (kW) 20.0 23.0 20.0 23.0 Heating capacity (kW) 22.4 27.0 22.4 27.0...

  • Page 13: Ceiling Type

    1-1-3. Ceiling Type <Twin type> Indoor unit 1 RAV-SM 1102CT-E 1402CT-E 1102CT-E 1402CT-E Model Indoor unit 2 RAV-SM 1102CT-E 1402CT-E 1102CT-E 1402CT-E Outdoor unit RAV-SM 2244AT8-E 2804AT8-E 2244AT7 2804AT7 Cooling capacity (kW) 20.0 23.0 20.0 23.0 Heating capacity (kW) 22.4 27.0 22.4 27.0...

  • Page 14: Way Cassette Type

    1-1-4. 4-Way Cassette Type <Triple type> Indoor unit 1 RAV-SM 804UT-E 804UT-E 804UT-E 804UT-E Indoor unit 2 RAV-SM 804UT-E 804UT-E 804UT-E 804UT-E Model Indoor unit 3 RAV-SM 804UT-E 804UT-E 804UT-E 804UT-E Outdoor unit RAV-SM 2244AT8-E 2804AT8-E 2244AT7 2804AT7 Cooling capacity (kW) 20.0 23.0...
  • Page 15 1-1-5. Duct Type <Triple type> Indoor unit 1 RAV-SM 802BT-E 802BT-E 802BT-E 802BT-E Indoor unit 2 RAV-SM 802BT-E 802BT-E 802BT-E 802BT-E Model Indoor unit 3 RAV-SM 802BT-E 802BT-E 802BT-E 802BT-E Outdoor unit RAV-SM 2244AT8-E 2804AT8-E 2244AT7 2804AT7 Cooling capacity (kW) 20.0 23.0 20.0...
  • Page 16 1-1-6. Ceiling Type <Triple type> Indoor unit 1 RAV-SM 802CT-E 802CT-E 802CT-E 802CT-E Indoor unit 2 RAV-SM 802CT-E 802CT-E 802CT-E 802CT-E Model Indoor unit 3 RAV-SM 802CT-E 802CT-E 802CT-E 802CT-E Outdoor unit RAV-SM 2244AT8-E 2804AT8-E 2244AT7 2804AT7 Cooling capacity (kW) 20.0 23.0 20.0...

  • Page 17: High Wall Type

    1-1-7. High Wall Type <Triple type> Indoor unit 1 RAV-SM 802KRT-E 802KRT-E 802KRT-E 802KRT-E Indoor unit 2 RAV-SM 802KRT-E 802KRT-E 802KRT-E 802KRT-E Model Indoor unit 3 RAV-SM 802KRT-E 802KRT-E 802KRT-E 802KRT-E Outdoor unit RAV-SM 2244AT8-E 2804AT8-E 2244AT7 2804AT7 Cooling capacity (kW) 20.0 23.0...
  • Page 18 1-1-8. 4-Way Cassette Type <Double twin type> Indoor unit 1 RAV-SM 564UT-E 804UT-E 564UT-E 804UT-E Indoor unit 2 RAV-SM 564UT-E 804UT-E 564UT-E 804UT-E Model Indoor unit 3 RAV-SM 564UT-E 804UT-E 564UT-E 804UT-E Indoor unit 4 RAV-SM 564UT-E 804UT-E 564UT-E 804UT-E Outdoor unit RAV-SM 2244AT8-E...
  • Page 19 RAV-SM562MUT-E Indoor unit 2 RAV-SM562MUT-E RAV-SM562MUT-E Model Indoor unit 3 RAV-SM562MUT-E RAV-SM562MUT-E Indoor unit 4 RAV-SM562MUT-E RAV-SM562MUT-E Outdoor unit RAV-SM2244AT8-E RAV-SM2244AT7 Cooling capacity (kW) 20.0 20.0 Heating capacity (kW) 22.4 22.4 Power supply 3 phase 380 – 415V 50Hz 3 phase 380V 60Hz...
  • Page 20 RAV-SM564SDT-E Indoor unit 2 RAV-SM564SDT-E RAV-SM564SDT-E Model Indoor unit 3 RAV-SM564SDT-E RAV-SM564SDT-E Indoor unit 4 RAV-SM564SDT-E RAV-SM564SDT-E Outdoor unit RAV-SM2244AT8-E RAV-SM2244AT7 Cooling capacity (kW) 20.0 20.0 Heating capacity (kW) 22.4 22.4 Power supply 3 phase 380 – 415V 50Hz 3 phase 380V 60Hz...
  • Page 21 1-1-11. Duct Type <Double twin type> Indoor unit 1 RAV-SM 562BT-E 802BT-E 562BT-E 802BT-E Indoor unit 2 RAV-SM 562BT-E 802BT-E 562BT-E 802BT-E Model Indoor unit 3 RAV-SM 562BT-E 802BT-E 562BT-E 802BT-E Indoor unit 4 RAV-SM 562BT-E 802BT-E 562BT-E 802BT-E Outdoor unit RAV-SM 2244AT8-E 2804AT8-E...
  • Page 22 1-1-12. Ceiling Type <Double twin type> Indoor unit 1 RAV-SM 562CT-E 802CT-E 562CT-E 802CT-E Indoor unit 2 RAV-SM 562CT-E 802CT-E 562CT-E 802CT-E Model Indoor unit 3 RAV-SM 562CT-E 802CT-E 562CT-E 802CT-E Indoor unit 4 RAV-SM 562CT-E 802CT-E 562CT-E 802CT-E Outdoor unit RAV-SM 2244AT8-E 2804AT8-E...
  • Page 23 1-1-12. High Wall Type <Double twin type> Indoor unit 1 RAV-SM 562KRT-E 802KRT-E 562KRT-E 802KRT-E Indoor unit 2 RAV-SM 562KRT-E 802KRT-E 562KRT-E 802KRT-E Model Indoor unit 3 RAV-SM 562KRT-E 802KRT-E 562KRT-E 802KRT-E Indoor unit 4 RAV-SM 562KRT-E 802KRT-E 562KRT-E 802KRT-E Outdoor unit RAV-SM 2244AT8-E...

  • Page 24: Outdoor Unit

    1-2. Outdoor Unit Model Outdoor unit RAV-SM 2244AT8-E 2804AT8-E 2244AT7 2804AT7 1 phase 380 – 415V 50Hz 1 phase 380V 60Hz Power supply (Power exclusive to outdoor is required.) Type Hermetic compressor Hermetic compressor Compressor Motor (kW) 3.75 3.75 3.75 3.75 Pole Refrigerant charged...

  • Page 25: Operation Characteristic Curve

    1-3. Operation Characteristic Curve • Operation characteristic curve <Digital Inverter> RAV-SM2244AT8 (Z) (ZG) -E, RAV-SM2804AT8 (Z) (ZG) -E <Cooling> <Heating> SM280 SM280 SM280 SM280 SM280 SM280 SM224 SM224 SM224 SM224 SM224 SM224 • Conditions • Conditions Indoor : DB27˚C/WB19˚C Indoor : DB20˚C Outdoor : DB35˚C Outdoor : DB7˚C/WB6˚C Air flow : High...
  • Page 26 • Capacity variation ratio according to temperature RAV-SM2244AT8 (Z) (ZG) -E, RAV-SM2804AT8 (Z) (ZG) -E RAV-SM2244AT7 (Z) (ZG), RAV-SM2804AT7 (Z) (ZG) <Cooling> <Heating> • Conditions • Conditions Indoor : DB20˚C Indoor : DB27˚C/WB19˚C Indoor air flow : High Indoor air flow : High Pipe length : 7.5m Pipe length : 7.5m 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46...

  • Page 27: Construction Views (External Views)

    2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) 2-1. Outdoor Unit – 27 –...
  • Page 28 RBC-DTWP101E (Simultaneous Double Twin) <Branch pipe> <Joint pipe> Inner diameter Outer diameter Ø C Ø25.4 Inner Inner diameter diameter Ø D Ø D Inner diameter Ø28.6 1 pc. Model Q’ty 25.4 15.9 Gas side 15.9 15.9 15.9 12.7 RBC-DTWP101E 12.7 Liquid side –...
  • Page 29 RBC-TRP100E (Simultaneous Triple) <Gas side> Header assembly Inner diameter Ø15.9 1 pc. <Liquid side> Branch pipe assembly Inner diameter Ø9.52 1 pc. Insulator Gas side socket Liquid side socket Outer diameter Ø25.4 Ø15.9 Ø12.7 Ø9.5 Ø6.4 Ø15.9 Ø25.4 Ø9.5 Ø12.7 (External (External (External...
  • Page 30 RBC-TWP101E (Simultaneous Twin) <Branch pipe> <Joint pipe> Inner diameter Outer diameter Ø C Ø25.4 Inner Inner diameter diameter Ø D Ø D Inner diameter Ø28.6 1 pc. Model Q’ty Gas side 25.4 15.9 RBC-TWP101E Liquid side 12.7 – 30 –...

  • Page 31: Outdoor Unit Refrigeranting Cycle Diagram

    3. OUTDOOR UNIT REFRIGERANTING CYCLE DIAGRAM RAV-SM2244AT8 (Z) (ZG) -E, RAV-SM2804AT8 (Z) (ZG) -E RAV-SM2244AT7 (Z) (ZG), RAV-SM2804AT7 (Z) (ZG) Solenoid valve Check joint High-pressure side TO sensor Pressure switch Check Muffler valve Ø45 × 230 L TL sensor 4-way valve Check joint Low-pressure side...
  • Page 32 Systematic diagram of refrigerating cycle RAV-SM2244 series Pressure Pipe surface temperature (°C) Indoor/Outdoor Compressor temp. conditions Indoor heat Outdoor heat drive revolution Indoor (DB/WB) (°C) (MPa) (kg/cm²g) Discharge Suction frequency exchanger exchanger ∗ (rps) (TD) (TS) (TC) (TE) Indoor Outdoor Standard 3.14 0.88...

  • Page 33: Wiring Diagram

    4. WIRING DIAGRAM 4-1. Outdoor Unit RAV-SM2244AT8 (Z) (ZG) -E, RAV-SM2804AT8 (Z) (ZG) -E RAV-SM2244AT7 (Z) (ZG), RAV-SM2804AT7 (Z) (ZG) Compressor IPDU board Noise Filter MCC-1596 P.C. board MCC-1600 Fan IPDU board MCC-1597 Interface (CDB) MCC-1436 P.C. board MCC-1599 – 33 –...

  • Page 34: Specifications Of Electrical Parts

    5. SPECIFICATIONS OF ELECTRICAL PARTS 5-1. Outdoor Unit RAV-SM2244AT8 (Z) (ZG) -E, RAV-SM2804AT8 (Z) (ZG) -E RAV-SM2244AT7 (Z) (ZG), RAV-SM2804AT7 (Z) (ZG) Parts name Type Specifications Compressor DA550A3F-11M — Outdoor fan motor ICF-280-A100-1 DC 280 V, 100 W 4-way valve coil STF-01AJ502E1 AC 220 –...

  • Page 35: 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 36 Table 6-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) R410A 0.80 0.80 0.80 0.80 12.7 0.80 0.80 15.9 1.00 1.00 1. 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 37 c) Insertion of Flare Nut d) Flare Processing Make certain that a clamp bar and copper pipe have been cleaned. By means of the clamp bar, perform the flare processing correctly. Use either a flare tool for R410A or conventional flare tool. ØD Flare processing dimensions differ according to the type of flare tool.
  • Page 38 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. b) Correctly align the processed flare surface with the union axis. c) Tighten the flare with designated torque by means of a torque wrench.

  • Page 39: Tools

    6-3. Tools 6-3-1. Required Tools Refer to the “4. Tools” (Page 8) 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.

  • Page 40: Brazing Of Pipes

    1) Be sure to make setting so that liquid can be charged. 2) 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 41 2. Characteristics required for flux 6-5-3. Brazing • Activated temperature of flux coincides with As brazing work requires sophisticated techniques, the 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 42: Instructions For Re-Use Piping Of R22 Or R407C

    6-6-3. Branching Pipe for Simultaneous ∗ Pipe diameter and thickness (mm) Operation System Reference outside Wall thickness • In the concurrent twin system, when TOSHIBA- Material diameter (mm) (mm) specified branching pipe is used, it can be reused. —...

  • Page 43: Final Installation Checks

    6-6-5. Final Installation Checks Is there no scratch or dent on the existing pipes? Existing pipe: NO * Use a new pipes. Is it possible to operate the existing air conditioner? ∗ After the existing air conditioner operated in cooling mode for approx.
  • Page 44 6-6-6. Handling of Existing Pipe • When using a Ø19.1 mm gas pipe for the existing piping, set bit 3 of SW802 (switch for existing pipe) When using the existing pipe, carefully check it for on the P .C. board of the outdoor unit to ON. the following: In this case, the heating performance may be •...

  • Page 45: Circuit Configuration And Control Specifications

    7. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS 7-1. Outdoor Unit Control 7-1-1. Print Circuit Board, MCC-1596 (Compressor IPDU) CN851 CN07 , CN08 CN101 (Red) (Blue) (Blue) (White) Connector for MCC-1597 (CN505) Terminal for reactor CH44 Connector for MCC-1597 (CN502) CN03 (Black) Terminal for power relay Electric circuit protective fuse (500V, 31.5A)
  • Page 46 7-1-2. Print Circuit Board, MCC-1597 (Fan Motor IPDU) CN750 CN700 CN500 (White) (Blue) (Red) Fan motor output (Upper side) Connector for MCC-1436 (CN03 or CN07) Connector for MCC-1600 (CN23) and reactor CH68 CN504 CN602 F500 (Blue) (Black) Connector for MCC-1599 Connector for MCC-1600 (CN51) Electric circuit protective fuse (CN802)
  • Page 47 7-1-3. Print Circuit Board, MCC-1599 (Interface (CDB)) CN708 CN608 (Blue) (White) Connector for power relay coil Connector for MCC-1600 (CN50) CN02 (Red) CN802 CN702 (White) Connector for (White) MCC-1600 (CN10 and CN19) Connector for MCC-1597 (CN504) 2-way valve connector CN700 (Yellow) Power supply protective fuse (250V, 3.15A)
  • Page 48 7-1-4. Print Circuit Board, MCC-1600 (Noise Filter) CN05 CN16 (Red) CN10 (Red) (Red) ower supply terminal (L1) erminal for power relay erminal for MCC-1599 (CN02) and Terminal for PTC thermistor aristor protective fuse (250V, 6.3A) CN06 (White) ower supply terminal (L2) CN17 (White) erminal for...

  • Page 49: Outline Of Main Controls

    7-2. Outline of Main Controls 1. PMV (Pulse Motor Valve) control 1) The aperture of the PMV (1, 2) is controlled between 88 (44 + 44) to 1000 (500 + 500) pulses during operation. 2) During cooling and heating operations, the PMV aperture is controlled by the temperature difference between a detected temperature from a TS sensor and a saturation temperature equivalent value (TU temperature) from a Ps sensor.
  • Page 50 3. Outdoor fan revolution number control Control of fan revolution number and the fan taps in this unit are shown below. Fan Taps Revolution number Allocation [rpm] Upper Fan SM224 Lower Fan Upper Fan SM280 Lower Fan 3-1. Cooling fan control 1) Cooling operations of the outdoor fan are controlled by a TL sensor, TO sensor and the compressor revolution number.
  • Page 51 4. Defrost control 1) During heating operations, defrost operations are performed when the temperature from the TE sensor satisfies any of the conditions in the A to D zones. 2) During defrosting operations, defrost will be terminated if the temperature from the TE sensor continues at 12°C or higher for 3 seconds or if the temperature is 7°C ≤...
  • Page 52 7. Heat sink temperature detection control 1) IGBT overheating prevention is protective control performed by a thermistor (TH sensor) in proximity to IGBT. 2) When a temperature of TH ≥ 83°C is detected, the fan tap is moved by 1 step up. Thereafter step-up is performed at a rate of +1 tap/5 seconds until a maximum fan tap is reached.
  • Page 53 12. SV2 valve control The conditions for opening and closing the SV2 valve are shown in the table below. SV2 Valve “Open” Conditions SV2 Valve “Close” Conditions When operation stopped after operating When operation started after operating or when 30 minutes Non-operation elapsed after opening SV2 under conditions (1) (2) When power placed “ON”...
  • Page 54 14. Coil heating control 1) This control has the function of heating the compressor by applying a current to the compressor when not operating instead using a case heater. This control is for the purpose of preventing stagnation of the refrigerant inside the compressor. 2) Malfunction in the compressor may result if a current is not applied for a specified time before a test run after installation as was previously the case.

  • Page 55: Troubleshooting

    8. TROUBLESHOOTING 8-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments – • 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 56 <Wireless remote controller type> 1. Before troubleshooting 1) Required tools/instruments – • 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 57: Troubleshooting

    8-2. Troubleshooting 8-2-1. Outline of judgment The primary judgment to check whether a trouble occurred in the indoor unit or outdoor unit is carried out with the following method. Method to judge the erroneous position by flashing indication on the display part of the indoor unit (sensors of the receiving part) The indoor unit monitors the operating status of the air conditioner, and the blocked contents of self-diagnosis are displayed restricted to the following cases if a protective circuit works.
  • Page 58 Lamp indication Check code Cause of trouble occurrence Operation Timer Ready  Heat exchanger sensor (TCJ) error  Heat exchanger sensor (TC) error Indoor unit sensor error   Heat exchanger sensor (TA) error Alternate flash  Discharge temp. sensor (TD) error ...
  • Page 59 8-2-2. Others (Other than Check Code) Lamp indication Check code Cause of trouble occurrence Operation Timer Ready — During test run Simultaneous flash Operation Timer Ready Disagreement of cool/heat — (Automatic cool/heat setting to automatic cool/heat prohibited model, or setting of heating to cooling-only model) Alternate flash –...
  • Page 60 8-2-3. Monitor Function of Remote Controller Switch n Calling of sensor temperature display <Contents> Each data of the remote controller, indoor unit and outdoor unit can be understood by calling the service monitor mode from the remote controller. <Procedure> TEST Push buttons simultaneously for 4 seconds to call the service monitor mode.
  • Page 61 8-2-4. Check Code List (Outdoor) ¡ ¥ : Go on, : Flash, : Go off ALT (Alternate): Alternate flashing when there are two flashing LED SIM (Simultaneous): Simultaneous flashing when there are two flashing LED Sensor lamp part Remote Automatic Operation controller Block indication...
  • Page 62 ¡ ¥ : Go on, : Flash, : Go off ALT (Alternate): Alternate flashing when there are two flashing LED SIM (Simultaneous): Simultaneous flashing when there are two flashing LED Sensor lamp part Remote Automatic Operation controller Block indication Representative defective position Detection Explanation of error contents reset...

  • Page 63: Error Mode Detected By Indoor Unit

    Error mode detected by indoor unit Operation of diagnostic function Judgment and measures Check Status of Cause of operation Condition code air conditioner 1. Check cables of remote controller and communication adapters. No communication from remote Stop Displayed when controller (including wireless) and •...

  • Page 64: Error Mode Detected By Outdoor Unit

    Error mode detected by outdoor unit The check code has been ramified from 4 series and after. The ramified check code is displayed only when both the indoor unit and the outdoor unit are 4 series and after. (Ex. Combination of RAV-SM1404UT-E with RAV-SM2804AT8-E) When the indoor unit is 3 series and before, the conventional check code is displayed.
  • Page 65 Operation of diagnostic function Check code Indoor unit Status of Judgment and measures Cause of operation Condition air conditioner before after 3 series 4 series Displayed when 1. Check outdoor P .C. board (MCC-1596). Current detection circuit error Stop error is detected (AC current detection circuit) 1.

  • Page 66: Error Mode Detected By Remote Controller Or Central Controller (Tcc-Link)

    Error mode detected by remote controller or central controller (TCC-LINK) Operation of diagnostic function Judgment and measures Status of Check code Cause of operation Condition air conditioner Power supply error of remote controller, Indoor EEPROM error 1. Check remote controller inter-unit wiring. No communication with master indoor unit 2.
  • Page 67 8-2-5. Diagnostic Procedure for Each Check Code (Outdoor Unit) 1) This section describes the diagnostic method for each check code displayed on the remote controller. 2) In some cases, a check code indicates multiple symptoms. In this case, confirm LED display on the outdoor P.C. board to narrow the contents to be confirmed. 3) The check code on the remote controller is displayed only when the same error occurred continuously by multiple times while LED of the outdoor P.C.
  • Page 68 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [F04] <Display 1> <Display 2> [Discharge temp. sensor (TD) error] ¡ ¡ ¡ Correct connector. Is CN603 connection normal? Sensor error → Replace Is resistance value of TD sensor normal? ¥...
  • Page 69 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [F08] <Display 1> <Display 2> [Outside air temp. sensor (TO) error] ¡ ¡ ¡ ¥ Is CN602 connection normal? Correct connector. Sensor error → Replace Is resistance value of TO sensor normal? ¡...
  • Page 70 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [F23] <Display 1> <Display 2> [PS sensor error] ¡ ¡ ¥ ¡ Is connector of Correct connection of connector. Ps sensor correctly connected? ¥...
  • Page 71 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [H02] <Display 1> <Display 2> [Compressor lock] ¡ ¡ ¡ Is power supply voltage normal? Correct power supply line. AC342 to 457V ¡ ¥...
  • Page 72 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [H06] <Display 1> <Display 2> [Low pressure protective operation] ¡ ¡ ¡ Are gas pipe, liquid pipe and service valve of the Open the service valve fully. outdoor unit fully opened? ¥...
  • Page 73 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) ∗ There is a possibility that it is one of the following errors. [L29] Confirm LED on outdoor P .C. board to judge which error it is. Communication error between MCU, Heat sing temp.
  • Page 74 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P03] <Display 1> <Display 2> [Discharge temp. error] ¡ ¡ ¡ Repair defective position. Is there no gas leak? Recharge refrigerant. Is refrigerant charge amount adequate? ¡...
  • Page 75 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P04] Heating operation Are connections of Does the heating indoor fan connectors,capacitors normally operate? and fan motor normal? Is there any element which blocks indoor heat exchanger? Elimination of Repair...
  • Page 76 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P05] <Display 1> <Display 2> [Power supply error (Voltage error)] ¡ ¡ Is there no open phase ¡ Correct wiring. of the power supply? ¥...
  • Page 77 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P20] <Display 1> <Display 2> [High pressure protective operation] ¡ ¡ ¥ ¡ Is valve fully opened? Open valve fully. ¥ ¡ ¡ Reset the power supply ¡...
  • Page 78 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P22] <Display 1> <Display 2> [Fan system error] ¡ ¡ ¥ ¡ Is there no problem on power supply voltage? Check wiring construction. (342 to 457V) Ask repair of power supply.

  • Page 79: Temperature Sensor

    Temperature sensor Temperature – Resistance value characteristic table TA, TC, TCJ, TE, TS, TO sensors TD, TL sensors Representative value Representative value Resistance value (kΩ Ω Ω Ω Ω ) Resistance value (kΩ Ω Ω Ω Ω ) Temperature Temperature (°C) (°C) (Minimum value) (Standard value) (Maximum value)

  • Page 80: Setup At Local Site And Others

    9. SETUP AT LOCAL SITE AND OTHERS 9-1. Calling of Error History <Contents> The error contents in the past can be called. <Procedure> TEMP. ON / OFF TEST Push buttons simultaneously for TIMER SET MODE 4 seconds or more to call the service check mode. TIME SAVE VENT...
  • Page 81 n Indoor unit power-ON sequence Power ON • The unit without power feed waits entirely → Waiting status is released by system start • Reboot when power is fed on the way <By feed unit> <Automatic address judgment> Not normal 3 minutes elapse Gr construction check Normal...

  • Page 82: Outdoor Unit

    9-3. Outdoor Unit 9-3-1. Various Setting on Outdoor Unit (Existing piping, Power save, Cooling-only, etc.) The following settings are available by DIP switch setup and jumper line setup. Function Set position Control contents Existing Turn the switch to ON when Ø19.1 is used for the existing pipe. piping setup In this case, the heating capacity may lower according to outside SW802...
  • Page 83 9-3-2. Service Support Function (LED Display, Switch Operation) 1. Outline A various setup and operation check can be performed by DIP switches at 3 positions (SW802, SW803, SW804) and the pushdown button switches (SW800, SW801) at 2 positions. Operation part Part No.
  • Page 84 9-3-3. Others 1. Selection of LED display (SW800, SW803 operation) 1) Display selection list The displayed contents of LED D800 to D804 on the outdoor control P .C. board can be exchanged by operation of SW803. Switch Function / Contents Refer Error display (Error generating at present) Refer to...
  • Page 85 2) Error display The error which is generating at present and the latest error (Latest error information including present) can be confirmed by lighting LED D800 toD804 on the outdoor control P .C. board. a) When all DIP switch SW803 are OFF, the status of error which is generating at present is displayed. b) <1>...
  • Page 86 3) Sensor, current, compressor operation frequency, PMV opening display The values detected by the controller, such as temperature sensor or current value are simply confirmed. (Legend) ¥ ¡ D800 D801 D802 D803 D804 D805 ¡ : Go off, : Go on (Yellow) (Yellow) (Yellow) (Yellow) (Yellow) (Green) Temperature sensor (°C) Compressor...
  • Page 87 4) Specific operation for maintenance check (SW801, SW804) The following specific operations for the maintenance check are performed by operation of SW801 or SW804. a) Select DIP switch SW804. (See table below) b) Push the pushdown button switch SW801 for approx. 1 second. c) The following functions start.
  • Page 88 SW804 Operation when pushdown button switch SW801 is pushed 4-way valve relay operation (For RY700, CN70 check) SW804 Turn on 4-way valve power relay (RY700). When pushing SW801 again or when 2 minutes elapsed, the operation returns to the normal control. SV valve relay operation (For RY702, CN702 check) SW804 Turn on SV valve relay (RY702).

  • Page 89: Address Setup

    10. ADDRESS SETUP 10-1. 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 90: Address Setup & Group Control

    10-2. 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 = Single (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 91 10-2-2. Automatic Address Example from Unset Address (No miswiring) 1. Standard (One outdoor unit) 1) Single (Master/Sub) Individual 2) Group operation (Twin, Triple operation) (Multiple outdoor units = Miltiple indoor units only with serial communication) Sub/Header Sub/Header Sub/Follower Master/Header Sub/Follower Sub/Follower Only turning on source power supply (Automatic completion) •...
  • Page 92 10-2-3. Automatic Address Example from Unset Address (No miswiring) 1. Standard (One outdoor unit) 1) Single 2) Twin 3) Triple (1-1) (1-2) (1-1) (1-2) (1-3) Individual Master/Header Sub/Follower Sub/Header Master/Follower Sub/Follower (Master/Header) Only turning on source power supply (Automatic completion) 2.

  • Page 93: Remote Controller Wiring

    10-3. Remote Controller Wiring • Strip off approx. 9 mm the wire to be connected. Simultaneous twin system • For single system, use non polarity, 2 core wire is used for wiring of the remote controller. (0.5 mm² to 2.0 mm² wires) Remote controller •...

  • Page 94: Address Setup (Manual Setting From Remote Controller)

    10-4. Address Setup (Manual setting from remote controller) In case that addresses of the indoor units will be (Example of 2-lines cabling) (Real line: Cabling, Broken line: Refrigerant pipe) determined prior to piping work after cabling work Outdoor Outdoor • Set an indoor unit per a remote controller. 1 2 3 1 2 3 •...

  • Page 95: Confirmation Of Indoor Unit No. Position

    10-5. 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 96 <Maintenance/Check list> Aiming in environmental preservation, it is strictly recommended to clean and maintain the indoor/outdoor units of the operating air conditioning system regularly to secure effective operation of the air conditioner. It is also recommended to maintain the units once a year regularly when operating the air conditioner for a long time.

  • Page 97: Installation Manual

    Digital Inverter Digital Inverter 11. INSTALLATION MANUAL ACCESSORY PARTS Please read this Installation Manual carefully before installing the Air Conditioner. • This Manual describes the installation method of the outdoor unit. Accessory Parts • For installation of the indoor unit, follow the Installation Manual attached to the indoor unit. Part name Q’ty Shape...

  • Page 98: Safety Precautions

    Digital Inverter Digital Inverter SAFETY PRECAUTIONS • Install the refrigerant pipe securely during the installation work before operating the air conditioner. If the compressor is operated with the valve open and without the refrigerant pipe, the compressor sucks air and the refrigeration cycle is overpressurized, which may cause a burst or injury.

  • Page 99: Installation Conditions

    Digital Inverter Digital Inverter Required Tools/Equipment and Precautions for Use INSTALLATION CONDITIONS Prepare the tools and equipment listed in the following table before starting the installation work. Newly prepared tools and equipment must be used exclusively. Before installation Earthing Legend Be sure to prepare to the following items before installation.
  • Page 100 Digital Inverter Digital Inverter Installation Location Necessary Space for Installation Obstacle in front CAUTION (Unit: mm) Above unit is free WARNING 1. Install the outdoor unit in a location where the discharge 1. Single unit installation air is not blocked. Obstacle at rear side Install the outdoor unit properly in a location that is 2.

  • Page 101: Refrigerant Piping

    Digital Inverter Digital Inverter REFRIGERANT PIPING Serial installation in front and rear NO GOOD Open above and to the right and left of the unit. Do not support the If only the end of the outdoor unit only The height of an obstacle in both the front and rear of the unit fixing leg is supported, with the fixing leg.
  • Page 102 Digital Inverter Digital Inverter Flaring Connecting the Gas Side Pipe Tightening of Connecting Part • After the installation work, be sure to check for gas leaks of the pipe connections with nitrogen. 1. Cut the pipe with a pipe cutter. 1.

  • Page 103: Air Purging

    Digital Inverter Digital Inverter Refrigerant Pipe Length AIR PURGING Simultaneous twin, triple Allowable pipe length (m) Height difference (m) Airtight Test Vacuum pump Branch piping Branch piping Indoor-outdoor H Total length Before starting an airtight test, further tighten the spindle Outdoor •...
  • Page 104 Digital Inverter Digital Inverter How to Open the Valve Insulating the Pipes Adding additional refrigerant Open or close the valve. • The temperatures at both the liquid side and gas side will Figure of Simultaneous twin Figure of Simultaneous triple be low during cooling so in order to prevent Indoor Unit Liquid side...

  • Page 105: Electrical Work

    Digital Inverter Digital Inverter ELECTRICAL WORK How to wire Wiring diagram 1. Connect the connecting wire to the terminal as identified For details on the remote controller wiring/installation, with their respective numbers on the terminal block of the refer to the Installation Manual enclosed with the remote indoor and outdoor units.

  • Page 106: Annual Maintenance

    Digital Inverter Digital Inverter FINISHING Stripping length power cord and connecting wire Indoor/outdoor Power supply wire connecting wire L1 L2 L3 N After the refrigerant pipe, inter-unit wires, and drain pipe have been connected, cover them with finishing tape and clamp them Earth screw Earth screw to the wall with off-the-shelf support brackets or their equivalent.

  • Page 107: Functions To Be Implemented Locally

    Digital Inverter Digital Inverter FUNCTIONS TO BE IMPLEMENTED LOCALLY TROUBLESHOOTING You can perform fault diagnosis of the outdoor unit with the LEDs on the P.C. board of the outdoor unit in addition to using the Handling Existing Pipe • When using a Ø19.1 mm gas pipe for the existing piping, check codes displayed on the wired remote controller of the indoor unit.
  • Page 108 Branching pipe for simultaneous operation system 26 Ps drop down error Reference outside Wall thickness • In the concurrent twin system, when TOSHIBA has Material diameter (mm) (mm) specified that branching pipe is to be used, it can be ( : OFF...
  • Page 109 Digital Inverter Are there scratches or dents on the existing pipes? Existing pipes: Cannot be used. • Use new pipes. Is it possible to operate the existing air conditioner? • After the existing air conditioner is operated in cooling mode for approx. 30 minutes or longer,* recover the refrigerant.

  • Page 110: Replacement Of The Service P.c. Board (4316V392) Mcc-1599

    12. REPLACEMENT OF THE SERVICE P.C. BOARD (4316V392) MCC-1599 1. Setting the jumper wires and DIP switches Part name Function Setting J800 to J803 Model switching Cut these jumper wires according to the following table. Jumper wire Set these jumper wires to the settings of the P.C. board J804 to J811 Settings before replacement...

  • Page 111: How To Exchange Compressor

    13. HOW TO EXCHANGE COMPRESSOR 13-1. Exchanging Procedure of Compressor (Outline) START Open PMV forcedly and then recover refrigerant Has refrigerant recovery work been done? using a refrigerant recovery unit. Turn off the leakage breaker. Never recover the refrigerant to the outdoor unit. For the refrigerant recovery work during reinstallation Remove the defective compressor.

  • Page 112: Detachments

    14. DETACHMENTS 14-1. Outdoor Unit RAV-SM224, RAV-SM280 series Part name Procedure Remarks Common procedure WARNING Service panel Stop operation of the air conditioner and turn off breaker switch. CAUTION Ensure wearing of gloves when performing any work in order to avoid injury from parts, etc. 1.
  • Page 113 Part name Procedure Remarks 1. Detachment Discharge Motor base port cabinet 1) Carry out the operation in 1. of and 1. of above. Heat exchanger Inverter assembly 2) Remove the screws fixing the inverter assembly, the discharge port cabinet and the partition board. (ST1T Ø4 ×...
  • Page 114 Part name Procedure Remarks 1. Detachment Side cabinet 1) Carry out the operation in 1. of and 1. of Side cabinet C Type screw above. (serration) 2) Remove the screws fixing the inverter assembly and the side cabinet. (ST1T Ø4 × 10, 3 pcs.) 3) Remove the screws for the side cabinet and the valve fixing plate.
  • Page 115 Part name Procedure Remarks 1. Detachment Inverter Remove the fan motor lead wire assembly 1) Carry out the operation in 1. of , 1. of from the cord clamp. 1. of above. Fan-IPDU board Fan-IPDU board Fan-IPDU board 2) Remove the connectors connected to the fan motor relay board and the Fan IPDU board, the connector connected to other components from the control Cut the...
  • Page 116 Part name Procedure Remarks 1. Detachment Interface board (Control board) 1) Carry out the operation in 1. of , 1. of MCC-1599 and 1. of above. 2) Remove lead wires and connectors to other components from the interface board (control board). CN603 : TD sensor (3P: White, tube: Red) CN602 : TO sensor (2P: Orange, tube: Black) CN601 : TE sensor (2P: Green, tube: Blue)
  • Page 117 Part name Procedure Remarks 1. Detachment Fan-IPDU FAN-IPDU board board 1) Carry out the operation in 1. of , 1. of MCC-1597 1. of above. 2) Remove lead wires and connectors to other components from the Fan-IPDU board. CN700 : Relay connector (3P , Blue) CN750 : Outdoor fan motor (3P , White) CN500 : Connection between reactor and noise filter board (7P, Red)
  • Page 118 Part name Procedure Remarks 1. Detachment Noise filter Fan-IPDU board board 1) Perform the operation in 1. of , 1. of , 1. of MCC-1600 1.-2 of and 1.-2 of 2) Remove the screws (4 positions) fixing the inverter assembly (front) to remove the lead wires from the upper left clamp.
  • Page 119 Part name Procedure Remarks 1. Detachment Compressor IPDU board 1) Carry out the operation in 1. of , 1. of MCC-1596 1. of , 1. of , 1. of and 1. of 2) Pull the compressor lead from the space in the partition plate.
  • Page 120 Part name Procedure Remarks 1. Detachment Fan motor Flange nut Flange nut Flange nut Turn to right Turn to right Turn to right 1) Carry out the operation in 1. of , 1. of to loosen to loosen to loosen 1.
  • Page 121 Part name Procedure Remarks 1. Detachment Compressor Drip-proof sheet (rubber sheet) 1) Recover the refrigerant gas. 2) Carry out the operation in 1. of above. 3) Remove the piping panel (front). Remove the piping panel (front) and screws of the bottom plate.
  • Page 122 Part name Procedure Remarks 2. Attachment Compressor (continued) 1) Mount the compressor by reversing the procedure for removal. CAUTION The fixing torque for the hexagonal bolts fixing the compressor is 19.6N•m (200kgf•cm). 3. Vacuuming 1) Connect the vacuum pump to the charge port and the high-pressure check joint of the liquid pipe and the gas pipe valve and then operate the vacuum pump.
  • Page 123 Part name Procedure Remarks 1. Detachment Fan guard 1) Carry out work of item 1. of and 1. of above. Remover screw CAUTION (2 pcs.) To prevent scratches to the product, carry out the work on cardboard, cloth, etc. 2) Remove the discharge port cabinet and place the fan guard side facing upwards.

  • Page 124: Exploded Views And Parts List

    15. EXPLODED VIEWS AND PARTS LIST 15-1. Outdoor Unit RAV-SM2244AT8 (Z) (ZG) -E, RAV-SM2804AT8 (Z) (ZG) -E 25, 26, 27 44, 45 16, 17 22, 23, 24 13, 14 58, 59 11, 12 20, 21 36, 37 10, 49 9, 48 47, 55, 56 33, 34, 57 5, 52...
  • Page 125 Condenser Ass’y, Lower 4314G189 Condenser Ass’y, Lower 4314G191 Condenser Ass’y, Up 4314G192 Condenser Ass’y, Up 4314G193 Condenser Ass’y, Up 4301P703 Mark, TOSHIBA 4301P729 Mark, Inverter 43146676 Joint, Check 43119390 Hanger 43100347 Panel, Front, Piping 43149318 Rubber, Supporter, Pipe, DIA 19.0 43149320 Rubber, Supporter, Pipe, DIA 8.0...

  • Page 126: Inverter Assembly

    15-2. Inverter Assembly RAV-SM2244AT8 (Z) (ZG) -E, RAV-SM2804AT8 (Z) (ZG) -E 718, 719 718, 719 (TE) (TS) (TO) (TD) (TL) – 126 –...
  • Page 127 Model name RAV-SM Location Part No. Description 2244AT8-E 2244AT8Z-E 2244AT8ZG-E 2804AT8-E 2804AT8Z-E 2804AT8ZG-E 43058288 Reactor, CH-56-4Z 43154177 Relay, 480V, 20A (Contact) 43158199 Reactor, CH-44-FCZ-2 43158207 Reactor, CH-68 43153006 PTC-Thermistor, ZPROYCE101A500 43050425 Sensor Ass’y, Service, TC (F6) 43150319 Sensor Ass’y, Service, TD (F4) 43160565 Terminal Block, 3P , 20A, AC250V 43160579...

  • Page 128: Outdoor Unit

    15-3. Outdoor Unit RAV-SM2244AT7 (Z) (ZG), RAV-SM2804AT7 (Z) (ZG) 25, 26, 27 44, 45 16, 17 22, 23, 24 13, 14 58, 59 11, 12 20, 21 36, 37 10, 49 9, 48 47, 55, 56 33, 34, 57 5, 52 –...
  • Page 129 Condenser Ass’y, Lower 4314G189 Condenser Ass’y, Lower 4314G191 Condenser Ass’y, Up 4314G192 Condenser Ass’y, Up 4314G193 Condenser Ass’y, Up 4301P703 Mark, TOSHIBA 4301P729 Mark, Inverter 43146676 Joint, Check 43119390 Hanger 43100347 Panel, Front, Piping 43149318 Rubber, Supporter, Pipe, DIA 19.0 43149320 Rubber, Supporter, Pipe, DIA 8.0...

  • Page 130: Inverter Assembly

    15-4. Inverter Assembly RAV-SM2244AT7 (Z) (ZG), RAV-SM2804AT7 (Z) (ZG) 718, 719 718, 719 (TE) (TS) (TO) (TD) (TL) – 130 –...
  • Page 131 Model name RAV-SM Location Part No. Description 2244AT7 2244AT7Z 2244AT7ZG 2804AT7 2804AT7Z 2804AT7ZG 43058288 Reactor, CH-56-4Z 43154177 Relay, 480V, 20A (Contact) 43158199 Reactor, CH-44-FCZ-2 43158207 Reactor, CH-68 43153006 PTC-Thermistor, ZPROYCE101A500 43050425 Sensor Ass’y, Service, TC (F6) 43150319 Sensor Ass’y, Service, TD (F4) 43160565 Terminal Block, 3P, 20A, AC250V 43160579...
  • Page 132 WARNINGS ON REFRIGERANT LEAKAGE Important Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of NOTE 2 : refrigerant gas leaking out, its concentration will The standards for minimum room volume are as follows. not exceed a set limit.
  • Page 133 TOSHIBA CARRIER CORPORATION 23-17, TAKANAWA 3 CHOME, MINATOKU, TOKYO, 108-8580, JAPAN Copyright © 1999 to 2009 TOSHIBA CARRIER CORPORATION, ALL Rights Reserved.

This manual is also suitable for:

Rav-sm2804at8-eRav-sm2804at8zg-eRav-sm2244at7Rav-sm2804at7Rav-sm2244at7zRav-sm2804at7z ... Show all

Table of Contents

Save PDF