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FILE NO. A11-016
SERVICE MANUAL
(SPLIT TYPE)
OUTDOOR UNIT
< DIGITAL INVERTER>
RAV-SM1103AT-E1
RAV-SM1403AT-E1
R410A
PRINTED IN JAPAN, Jan., 2012 ToMo
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CONTENTS Precaution for Safety ............................................................................................................ 6 New Refrigerant (R410A) .................................................................................................... 11 1. SPECIFICATIONS ........................................................................................................ 13 1-1. Outdoor Unit ......................................................................................
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Original instruction Please read carefully through these instructions that contain important information which complies with the “Machinery” Directive (Directive 2006/42/EC), and ensure that you understand them. Generic Denomination: Air Conditioner Definition of Qualified Installer or Qualified Service Person The air conditioner must be installed, maintained, repaired and removed by a qualified installer or qualified service person. When any of these jobs is to be done, ask a qualified installe
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Definition of Protective Gear When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protective gloves and ‘safety’ work clothing. In addition to such normal protective gear, wear the protective gear described below when undertaking the special work detailed in the table below. Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury, burns, electric shocks and other injuries. Work undertaken Protective gear w
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Warning Indications on the Air Conditioner Unit [Confirmation of warning label on the main unit] Confirm that labels are indicated on the specified positions If removing the label during parts replace, stick it as the original. Warning indication Description WARNING WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies Disconnect all remote electric before servicing. power supplies before servicing. WARNING WARNING Moving parts. Moving parts. Do no
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Precaution for Safety The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual. DANGER Before carrying out the installation, maintenance, repair or removal work, be sure to set the circuit breaker to the OFF position. Otherwise, electric shocks may result. Before opening the intake grille of the indoor unit or service panel of the outdoor unit, set the circuit breaker to the OFF position. Failure to set the circuit breaker to the OFF p
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WARNING The appliance shall be installed in accordance with national wiring regulations. Capacity shortages of the power circuit or an incomplete installation may cause an electric shock or fire. Only a qualified installer (*1) or qualified service person (*1) is allowed to undertake work at heights using a stand of 50 cm or more or to remove the intake grille of the indoor unit to undertake work. When working at heights, use a ladder which complies with the ISO 14122 standard, and follow the pr
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The refrigerant used by this air conditioner is the R410A. Check the used refrigerant name and use tools and materials of the parts which match with it. For the products which use R410A refrigerant, the refrigerant name is indicated at a position on the outdoor unit where is easy to see. To prevent miss-charging, the route of the service port is changed from one of the former R22. Do not use any refrigerant different from the one specified for complement or replacement. Otherwise, abnormally hig
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Once the repair work has been completed, check for refrigerant leaks, and check the insulation resistance and water drainage. Then perform a trial run to check that the air conditioner is running properly. After repair work has finished, check there is no trouble. If check is not executed, a fire, electric shock or injury may be caused. For a check, turn off the power breaker. Check after repair After repair work (installation of front panel and cabinet) has finished, execute a test run to che
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Explanations given to user • If you have discovered that the fan grille is damaged, do not approach the outdoor unit but set the circuit breaker to the OFF position, and contact a qualified service person to have the repairs done. Do not set the circuit breaker to the ON position until the repairs are completed. Relocation • Only a qualified installer ( ∗1) or qualified service person ( ∗1) is allowed to relocate the air conditioner. It is dangerous for the air conditioner to be relocated by an
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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. Therefore, be sure that water, dust, the former refrigerant or the former refrigerating oil is not mixed into the refrigerating cycle of the air conditioner wit
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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 show
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1. SPECIFICATIONS 1-1. Outdoor Unit Model name Outdoor unit RAV- SM1103AT-E1 SM1403AT-E1 1 phase 230V (220 – 240V) 50Hz Power supply (Power exclusive to outdoor is required.) Type Hermetic compressor Compressor Motor (kW) 2.5 3.0 Pole 44 Refrigerant charged (kg) 2.8 2.8 Refrigerant control Pulse motor valve Standard length (m) 7.5 7.5 5.0 5.0 Min. length (m) Max. total length (m) 50 50 Inter connecting Additional refrigerant charge 40g/m 40g/m pipe under long piping connector
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1-2. Operation Characteristic Curve • Operation Characteristic Curve RAV-SM1103AT-E1,RAV-SM1403AT-E1 22 22 20 20 RAV-SM1103AT-E1 RAV-SM1103AT-E 18 18 RAV-SM1403AT-E1 RAV-SM1403AT-E 16 16 RAV-SM1403AT-E1 RAV-SM1403AT-E 14 14 12 12 10 10 RAV-SM1103AT-E1 RAV-SM1103AT-E 8 8 6 6 • Conditions � Conditions Indoor : DB27˚C/WB19˚C Indoor : DB20˚C 4 4 Outdoor : DB35˚C Outdoor : DB7˚C/WB6˚C Air flow : High Air flow : High 2 Pipe length : 7.5m 2 Pipe length : 7.5m 230V
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2 . CONSTRUCTION VIEWS (EXTERNAL VIEWS) RAV-SM1103AT-E1, RAV-SM1403AT-E1 Knockout Drain hole (Ø20 × 88 Burring hole) (For draining) Drain hole (Ø25 Burring hole) Installation bolt hole 29 90 191 20 (Ø12 × 17 U-shape holes) Suction Part B port Suction Details of B part Knockout port (For draining) Details of A part Discharge 43 26 60 port Part A 95 150 600 Installation bolt hole (Ø12 × 17 U-shape holes) 900 314 Handles (Both sides) Refrigerant pipe connecting port Flare at liquid side : Ø
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RBC-TWP30E2, RBC-TWP50E2 (Simultaneous Twin) Inner diameter Ø C Inner Inner diameter Ø D diameter Ø D A Model (RBC-) AB C D Liquid side 36 14 Ø9.5 Ø6.4 TWP30E2 Gas side 43 23 Ø15.9 Ø12.7 Liquid side 34 14 Ø9.5 Ø9.5 TWP50E2 Gas side 44 21 Ø15.9 Ø15.9 – 16 – B
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3 . REFRIGERATING CYCLE DIAGRAM RAV-SM1103AT-E1, RAV-SM1403AT-E1 Outer diameter of refrigerant pipe Gas side ØA Liquid side ØB 15.9mm 9.5mm Indoor unit Height difference (m) Distributor Outdoor unit Outdoor unit TCJ sensor (Strainer incorporated) at upper side at lower side Strainer 30 30 Air heat exchanger TC sensor Refrigerant pipe Refrigerant pipe at gas side Ø15.9 at liquid side Ø9.5 Section shape of heat insulator Min. Max. 5m 50m Ball valve Packed valve Outer dia. ØA Outer dia. ØB Outdoo
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RAV-SM1103AT-E1 Pressure Pipe surface temp. Temp 2 * (MPa) (kg/cm G) Comp. Pd Ps Pd Ps TD TS TC TL TE Hz Fan In Out 27/19 Standard 3.44 0.92 35.1 9.4 82 8 10 56 39 47 HIGH 35/– Cooling Overload 3.73 1.18 38.1 12.0 82 15 17 59 48 42 HIGH 32/24 43/– Low load 1.49 0.70 15.2 7.1 39 8 3 23 22 30 LOW 18/15.5 –5/– Standard 2.80 0.61 28.6 6.2 80 0 46 7 1 48 HIGH 20/– 7/6 Heating Overload 3.43 1.08 35.0 11.0 82 14 55 12 13 24 LOW 30/– 24/18 Low load 2.20 0.25 22.4 2.6 76 -19 36 -16 -16 55 HIGH 15/– –10/(
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4. WIRING DIAGRAM – 19 –
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5. SPECIFICATIONS OF ELECTRIC PARTS Part name Type Specifications Compressor DA422A3F-12M Outdoor fan motor WDF-340-A100-1 Output 100W Reactor CH62-2Z-T 6mH, 18.5A 4-way valve coil STF-H01AJ1949A1 AC230V High-pressure SW ACB-4UB83W OFF: 4.15MPa PMV coil UKV-A039 DC12V P.C. board MCC-1630 1Ø AC220V/230V/240V±10%, 50/60HZ Fuse GDT 250V25A AC250V, 25A Fuse 50T (P) 063HF AC250V, 6.3A Fuse SCT3.15A AC250V, 3.15A Surge absorber DA38-362MT or Discharge voltage 3600V DA38-302MT Discharge voltage 3000V R
