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FILE NO. A10-031
SERVICE MANUAL
SPLIT TYPE
INDOOR UNIT
Compact 4-way Cassette Type
RAV-SM404MUT-E RAV-SM404MUT-TR
RAV-SM454MUT-E RAV-SM454MUT-TR
RAV-SM564MUT-E RAV-SM564MUT-TR
Concealed Duct Type
RAV-SM564BT-E RAV-SM564BT-TR
RAV-SM804BT-E RAV-SM804BT-TR
RAV-SM1104BT-E RAV-SM1104BT-TR
RAV-SM1404BT-E RAV-SM1404BT-TR
Ceiling Type
RAV-SM564CT-E RAV-SM564CT-TR
RAV-SM804CT-E RAV-SM804CT-TR
RAV-SM1104CT-E RAV-SM1104CT-TR
RAV-SM1404CT-E RAV-SM1404CT-TR
R410A
PRINTED IN JAPAN, Apr., 20
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NOTE A direct current motor is adopted for indoor fan motor in the Concealed Duct Standard Type air conditioner. Caused from its characteristics, a current limit works on the direct current motor. When replacing the high-performance filter or when opening the service board, be sure to stop the fan. If an above action is executed during the fan operation, the protective control works to stop the unit operation, and the check code “P12” may be issued. However it is not a trouble. When the desired
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6. TROUBLESHOOTING .............................................................................. 42 6-1. Summary of Troubleshooting........................................................................... 42 6-2. Check Code List (Indoor) ................................................................................. 47 6-3. Diagnostic Procedure for Each Check Code (Indoor Unit)............................ 52 7. REPLACEMENT OF SERVICE P.C. BOARD ........................................... 64
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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. WARNING Before starting to repair the air conditioner, read carefully through the Service Manual, and repair the air conditioner by following its instructions. Only qualified service person ( ∗1) is allowed to repair the air conditioner. Repair of the air conditioner by unqualified person may give rise to a fire, electric shocks, injury, water leaks and/
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Even if the circuit breaker has been set to the OFF position before the service panel is removed and the electrical parts are repaired, you will still risk receiving an electric shock. For this reason, short-circuit the high-voltage capacitor terminals to discharge the voltage before proceeding with the repair work. Execute For details on the short-circuiting procedure, refer to the Service Manual. discharge between You may receive an electric shock if the voltage stored in the capacitors has no
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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 After repair work (installation of front panel and cabinet) has finished, execute a test run to check repa
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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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Specifications Sound power level (dBA) Weight (kg) Model Main unit (Ceiling panel) Cooling Heating RAV-SM404MUT-E 16 (3) ∗∗ RAV-SM454MUT-E 16 (3) ∗∗ RAV-SM564MUT-E 16 (3) ∗∗ RAV-SM404MUT-TR 16 (3) ∗∗ RAV-SM454MUT-TR 16 (3) ∗∗ RAV-SM564MUT-TR 16 (3) ∗∗ RAV-SM564BT-E 30 ∗∗ RAV-SM804BT-E 39 ∗∗ RAV-SM1104BT-E 54 ∗∗ RAV-SM1404BT-E 54 ∗∗ RAV-SM564BT-TR 30 ∗∗ RAV-SM804BT-TR 39 ∗∗ RAV-SM1104BT-TR 54 ∗∗ RAV-SM1404BT-TR 54 ∗∗ RAV-SM564CT-E 21 ∗∗ RAV-SM804CT-E 25 ∗∗ RAV-SM1104CT-E 33 ∗∗ RAV-SM1404CT-E 33 ∗
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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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High static pressure 1H tap Standard H tap Low static pressure H tap Standard L tap High static pressure 1H tap Standard H tap Low static pressure H tap Standard L tap High static pressure 2H tap High static pressure 2H tap High static pressure 1H tap Standard L tap High static pressure 2H tap Low static pressure H tap Low static pressure H tap Standard L tap Standard H tap High static pressure 1H tap High static pressure 2H tap Standard H tap 1. AIR DUCTING WORK 1-1. Static Pressure Characteri
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High static pressure 2H tap High static pressure 1H tap Standard H tap Low static pressure H tap Standard L tap Standard H tap Low static pressure H tap Low static pressure H tap High static pressure 2H tap Standard H tap Standard L tap High static pressure 1H tap High static pressure 1H tap High static pressure 2H tap Standard L tap Standard L tap Low static pressure H tap High static pressure 2H tap High static pressure 1H tap Standard H tap Fig. 5 SM110 type (Round duct) Fig. 7 SM140 type (
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2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) 2-1. Compact 4-way Cassette Type RAV-SM404MUT , RAV-SM454MUT , RAV-SM564MUT ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ 595 to 660 Ceiling open dimension 1000 or more Obustacle 1000 or more Space required for installation and servicing 142 64 368.5 Knockout for flesh Bottom face 268 27 air intake Ø100 of ceiling 220.5 145.5 700 Panel external dimension Drain discharge port 145.5 93 595 to 660 Ceiling open dimension Hanging bolt 134 Bottom face M10 or W3/8 525 Hanging
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2-2. Concealed Duct Type RAV-SM564BT , RAV-SM804BT , RAV-SM1104BT , RAV-SM1404BT ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ Refrigerant pipe connecting port Drain pipe connecting port (Gas side ØF) for vinyl chloride pipe (Inner dia. 32, VP. 25) Hanging bolt 4-M10 screw Discharge port flange (Arranged locally) N-Ø200 75 Main unit dimension 800 Hanging bolt pitch B 41 Hanging bolt pitch 700 59 Main unit dimension A 50 638 J = M x K H 129 498 Knock-out hole Ø125 (Air take-in port) 393 44 196 49 S
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2-3. Ceiling Type RAV-SM564CT , RAV-SM804CT , RAV-SM1104CT , RAV-SM1404CT ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ Upper pipe draw-out port (Knockout hole) 210 Power supply cable take-in port (Knockout) Pipe draw-out port (Knockout hole) 128 216 167 Drain port VP20 Remote controller cable take- in port 84 (Knockout hole) 110 76 105 (Inner dia. Ø26, hose attached) Refrigerant pipe Left drain size (Liquid side ØC) B (Hanging position) Drain pipe connecting port 75 97 Refrigerant pipe (Gas side Ø
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3. WIRING DIAGRAM 3-1. Indoor Unit 3-1-1. Compact 4-way Cassette Type RAV-SM404MUT , RAV-SM454MUT , RAV-SM564MUT ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ – 20 –
