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ÅóùôåñéêÞ mïíÜäá Ìç äéáèÝóéìï óôï åõñý êïéíü <Under Ceiling Type> <Type sous le plafond> <Zwischendeckentyp> <Tipo sotto il soffitto> <Modelo de techo> <Tipo Sob o Tecto> <Type voor montage boven verlaagd plafond> <Ôýðïò êÜôù áðü ôçí ïñïöÞ> RAV-SM562CT-E RAV-SM802CT-E RAV-SM1102CT-E RAV-SM1402CT-E...
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Please read this Installation Manual carefully before ADOPTION OF NEW REFRIGERANT installing the Air Conditioner. This Air Conditioner is a new type which adopts a • This Manual describes the installation method of the indoor unit. new refrigerant HFC (R410A) instead of the •...
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CONTENTS Accessory parts and Parts to be procured locally ...... 1 TEST RUN ................16 PRECAUTIONS FOR SAFETY ..........2 TROUBLESHOOTING ............18 SELECTION OF INSTALLATION PLACE ......4 APPLICABLE CONTROLS ..........19 DRAIN PIPING WORK ............9 INSTALLATION/SERVICING TOOLS ........25 REFRIGERANT PIPING AND EVACUATING ......
PRECAUTIONS FOR SAFETY • Ensure that all Local, National and International regulations are satisfied. • Read this “PRECAUTIONS FOR SAFETY” carefully before Installation. • The precautions described below include the important items regarding safety. Observe them without fail. • After the installation work, perform a trial operation to check for any problem. Follow the Owner’s Manual to explain how to use and maintain the unit to the customer.
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PRECAUTIONS FOR SAFETY • After unpacking the unit, examine it carefully if there are possible damage. • Do not install in a place that might increase the vibration of the unit. • To avoid personal injury (with sharp edges), be careful when handling parts. •...
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SELECTION OF INSTALLATION PLACE WARNING • Install the air conditioner at enough strong place to withstand the weight of the unit. If the strength is not enough, the unit may fall down resulting in injury. • Perform a specified installation work to guard against an earth quake. An incomplete installation can cause accidents by the units failing and dropping.
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SELECTION OF INSTALLATION PLACE Height of ceiling Before installation Set the installable height of the ceiling within 4m, 1. Removal of suction grille otherwise the air distribution will become poor. Slide the suction grille fixing knobs (two positions) If height of ceiling exceeds 3.5m, hot air becomes toward the arrow direction, and then open the difficult to reach the floor surface, and then the change suction grille.
External view REQUIREMENT Strictly comply with the following rules to prevent damage of the indoor units and human injury. • Do not put a heavy article on the indoor unit. (Even units are packaged) • Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity, be sure to use buffering cloth, etc.
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SELECTION OF INSTALLATION PLACE Installation of hanging bolts Pipe knockout hole Use M10 hanging bolts (4 pcs, to be local procure). • In case of taking pipe from the rear side Matching to the existing structure, set pitch according * Cut off the groove section with a plastic cutter, etc. to size in the unit external view as shown below.
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2) Hang the unit to the hanging bolt as shown the Installation of indoor unit figure below. • Preparation before holding down main unit * Confirm the presence of the ceiling material beforehand because the fixing method of hanging metal when the ceiling material is set differs from that when the ceiling material is not set.
DRAIN PIPING WORK Piping/Heat insulating material CAUTION Require the following materials for piping and heat • Following the Installation Manual, insulating at site. perform the drain piping work so that water is properly drained, and apply a Hard vinyl chloride pipe VP20 Piping heat insulation so as not to cause a dew.
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Connection of drain hose Thermal insulating process • Insert the attached drain hose into the drain pipe • Using the attached drain hose thermal insulator, lap connecting port on the drain pan up to the end. the connecting section and the drain hose without clearance, and then tighten with two handing band •...
REFRIGERANT PIPING AND EVACUATING • Flaring diam. meter size : Refrigerant piping A (Unit : mm) • The connecting sections of the refrigerant pipes are provided at the positions in the figure below. * When using the drain up kit sold Rear side Upper side separately, the pipe can be drawn...
Piping with outdoor unit Open the valve fully • Shape of valve differs according to the outdoor unit. Open the valve of the outdoor unit fully. For details of installation, refer to the Installation For details, refer to the Installation Manual attached to Manual of the outdoor unit.
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ELECTRICAL WORK WARNING 1. Using the specified wires, ensure to connect the wires, and fix wires securely so that the external tension to the wires do not affect the connecting part of the terminals. Incomplete connection or fixation may cause a fire, etc. 2.
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Wire connection REQUIREMENT • Be sure to connect the wires matching the terminal numbers. Incorrect connection causes a trouble. • Be sure to pass the wires through the bushing of wiring connection port of the indoor unit. • Keep a margin (Approx. 100mm) on a wire to hang down the electric parts box at servicing, etc. •...
ELECTRICAL WORK Wiring Remote controller wiring 1. Remove a screw and then remove cover of the • Strip off approx. 9mm the wire to be connected. electric parts box. • Non polarity, 2 core wire is used for wiring of the 2.
TEST RUN Before test run • Before turning on the power supply, carry out the following procedure. 1) Using 500V-megger, check 1MΩ or more exists between the terminal block 1 to 3 and the earth. If 1MΩ or less is detected, do not run the unit. Do not apply to the remote controller circuit. 2) Check the valve of the outdoor unit being opened fully.
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TEST RUN In case of wireless remote controller Procedure Description Turn on power of the air conditioner. The operation is not accepted for 5 minutes when power has been turned on at first time after installation, and 1 minute when power has been turned on at the next time and after. After the specified time has passed, perform a test operation.
TROUBLESHOOTING Confirmation and check When a trouble occurred in the air conditioner, the check code and the indoor unit No. appear on the display part of the remote controller. The check code is only displayed during the operation. If the display disappears, operate the air conditioner according to the following “Confirmation of error history”...
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APPLICABLE CONTROLS NOTIFICATION When using the equipment at the first time, it will take a lot of time that the remote controller accepts an operation after power was on. However, it is not a trouble. • Automatic address • While automatic addressing, the operation cannot be performed on the remote controller. •...
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In case of installation to high ceiling When the height of the ceiling to be installed exceeds 3.5m, adjustment of air volume is necessary. Set up the high ceiling. • Set according to the basic operation procedure (Exchange by wired remote controller) →...
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APPLICABLE CONTROLS Change of lighting time of filter sign To secure better effect of heating According to the installation condition, the lighting When it is difficult to obtain satisfactory heating due to time of the filter sign (Notification of filter cleaning) can installation place of the indoor unit or structure of the be changed.
Group control Simultaneous twin system <Twin system> If combining with an outdoor unit, ON/OFF operation of two indoor units is simultaneously available for the twin system. Outdoor unit Indoor unit Indoor unit • For wiring procedure and wiring method, follow to the Remote controller “Electric work”...
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APPLICABLE CONTROLS Procedure example Manual address setup procedure While the operation stops, change the setup. (Be sure to stop the operation of the unit.) TEMP. ON / OFF TIMER SET MODE TIME SAVE VENT FILTER RESET TEST SWING/FIX UNIT LOUVER Procedure Description TEST...
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Procedure Description If there is other indoor unit to be changed, repeat Indoor unit No. before setup change is displayed. procedure to change the setup. UNIT LOUVER When the above setup has finished, push select the indoor unit No. before change of setup, specify CODE No.
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INSTALLATION/SERVICING TOOLS Tools Tools Applicable to R22 model Tools Applicable to R22 model ¡ Gauge manifold Flare tool (clutch type) Charge hose Gauge for projection — —— adjustment ¡ Vacuum pump ¡ Electronic balance for adapter refrigerant charging Torque wrench (nominal diam.
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○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ Cleaning of air filter Soak up dust with a cleaner or clean with •...