Toshiba RAM-SM800AT-E Precautions for Safety, New Refrigerant Air Conditioner Installation

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1 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.

Turn off the main power supply switch (or breaker) before the unit maintenance.

Ask the customer to keep the Installation Manual together with the Owner’s Manual.

CAUTION

New Refrigerant Air Conditioner Installation

THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT (R410A) WHICH DOES NOT DE- STROY OZONE LAYER.

The characteristics of R410A refrigerant are ; easy to absorb water, oxidizing membrane or oil, and its pressure is approx. 1.6 times higher than that of refrigerant R22. Accompanied with the new refrigerant, refrigerating oil has also been changed. Therefore, during installation work, be sure that water, dust, former refrigerant, or refrigerating oil does not enter the refrigerating cycle.

To prevent charging an incorrect refrigerant and refrigerating oil, the sizes of connecting sections of charging port of the main unit and installation tools are charged from those for the conventional refrigerant.

Accordingly the exclusive tools are required for the new refrigerant (R410A).

For connecting pipes, use new and clean piping designed for R410A, and please care so that water or dust does not enter. Moreover, do not use the existing piping because there are problems with pressure-resistance force and impurity in it.

RAV-SM800AT-E RAV-SM800AT-E

CAUTION

To Disconnect the Appliance from Main Power Supply.

This appliance must be connected to the main power supply by means of a switch with a contact separation of at least 3 mm.

The installation fuse (25A D type ) must be used for the power supply line of this conditioner.

WARNING

Ask an authorized dealer or qualified installation professional to install/maintain the air conditioner.

Inappropriate installation may result in water leakage, electric shock or fire.

Turn off the main power supply switch or breaker before attempting any electrical work.

Make sure all power switches are off. Failure to do so may cause electric shock.

Connect the connecting cable correctly.

If the connecting cable is connected in a wrong way, electric parts may be damaged.

When moving the air conditioner for the installation into another place, be very careful not to enter any gaseous matter other than the specified refrigerant into the refrigeration cycle.

If air or any other gas is mixed in the refrigerant, the gas pressure in the refrigeration cycle becomes abnor- mally high and it may resultingly causes pipe burst and injuries on persons.

Do not modify this unit by removing any of the safety guards or by by-passing any of the safety interlock switches.

Exposure of unit to water or other moisture before installation may cause a short-circuit of electrical parts.

Do not store it in a wet basement or expose to rain or water.

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Contents Split Type Way Air Discharge Cassette Type Installation Manual Outdoor Unit --------- RAV-SM800AT-E/RAV-SM800AT-EPrecautions for Safety New Refrigerant Air Conditioner InstallationTo Disconnect the Appliance from Main Power Supply Connect the connecting cable correctlyInappropriate grounding may cause electric shock Accessory and Refrigerant Selection of InstallationAccessory and Installation Parts Before installationInstallation Place Necessary Space for InstallationObstacle at rear side Upper side is free Obstacle at front side Upper side is freeSelection of Installation Installation of Outdoor UnitRefrigerant Piping Connection Optional Installation Parts Local ProcurePiping connection How to remove the front panel Knockout procedureKnockout of Pipe Cover Refrigerant Piping Pipe Forming/End PositioningFlaring size a Unit mm FlaringRefrigerant Piping Tightening of Connecting PartRequirement Air Purge EvacuatingVacuum pump Evacuating Open CloseSM560AT-E How to remove the valve cover How to wireStripping length power cord and connecting cable Electrical WorkCheck and Test Operation Final Installation ChecksSelf-Diagnosis by LED Indication Changes in the product and components New tools for R410AAccessories Precautions for SafetyRemote controller Screws two pcs Standard 4-way cassette panel optional partsRAV-SM560UT-E RAV-SM800UT-E Indoor unit Parts NameOutdoor unit Parts Name of Remote Controller Display sectionOperation section Correct Usage Turn on the main power switch and/or the leakage breakerPreparation Start StopPush button How to set up the wind direction How to start swingingHow to stop swinging Heat operationTimer operation Timer OperationCancel of timer operation Maintenance Hints for Economical OperationCleaning of panel and air filter Clean the panel and air filter with waterCleaning of Air Filters If you do not plan to use the unit for more than 1 monthCleaning of discharge flap Be careful to the direction of the flap when mountingAIR Conditioner Operations and Performance RE-INSTALLATION Do not install the air conditioner in the following placesTroubles and Causes Be careful with noise or vibrationsInoperative Page Accessory parts and Parts to be procured locally Separate sold partsPrecautions for Safety Precautions for Safety Installation space Selection of Installation PlaceAvoid installing in the following places Selection of Installation Place Selection of installation place Discharge directionAdvice Height list of ceiling possible to be installedExternal view Installation of hanging bolt Installation of ceiling opening and hanging boltInstallation of ceiling panel Sold separately Drain Piping Work Piping/Heat insulating materialFlexible hose Adhesive inhibitedConnection procedure Drain upCheck the draining Perform heat insulatingPermissible Piping Length and Heat Flaring dia meter size a Unit mmTightening connection Tightening torque of flare pipe connectionsUse a vacuum pump Open the valve fullyGas leak check Thermal insulation processFor RAV-SM800AT-E model Packed valve handling precautionsSM800 type valve at gas side Be sure to connect earth wire. Grounding work Remote controller wiringThermal insulation to cabling connecting port Electrical WorkCable connection Cabling on the ceiling panelCabling diagram Remote Controller CablingCabling How to execute a test run Case of wired remote controllerTest RUN Before test runConfirmation of error history TroubleshootingConfirmation and check Accessories RAV-SM560BT-E RAV-SM800BT-E Connecting duct Fan mode display Operation mode displayTest run display Unit and Auto flap button No function Operation lamp Fan mode button ButtonFilter UP/DOWN button Correct Usage Automatic Operation Auto Changeover Clear of timer operation Do not open doors and windows more often than necessary Cleaning of Return grille Clean the Return grilles with waterAIR Conditioner Operations and Performance RE-INSTALLATION Air flow changes without FAN button set to Auto mode Auto RAV-SM560BT-E RAV-SM800BT-E Precautions for Safety Precautions for Safety Selection of installation place Installation of Indoor Unit Installation procedureDimension Hanging down of indoor unitInstallation of Indoor Unit Restriction to installationConcealed duct type Ledge ceiling concealed duct typeStatic pressure characteristics of each model AIR Ducting WorkConnecting method of the duct AIR Ducting WorkPoints at installation work General cautionsMounting of remote controller Hanging of indoor unitMounting of filter and canvas for suction port For referencePiping and cautions Piping materialConnection of the drain hose 13.2 13.0 12.7 16.6 16.2 15.9 19.7 19.4 SM800 type valve at gas side Electrical Work INSTALLATION/SERVICING Tools ToolsRemote controller RAV-SM560KRT-E RAV-SM800KRT-E Display panel Name and Functions of Indicators and ControlsTemporary button Name and Operations of Indicators and Controls Set up temp. button Central indicationLouver operation button ON/OFF buttonTurn on the power switch When restarting the operation after stopPush ON/OFF button CoolingSTART/STOP button DRY OperationSTART/STOP button HOW the AIR Conditioner Works Adjusting AIR Flow DirectionAutomatic operation Air filter reset Cleaning of indoor unit and remote controllerTemporary Operation Temporary operationCleaning the air filter Clean the air filters as often as possibleCheck before operation Open the air inlet grilleHeating operation characteristics Preheating operation Cleaning the air inlet grilleMinute protection function Warm air controlProblems and Causes RecheckInoperative Does not cool well or heat wellWired remote Precautions for Safety Precautions for Safety Installation Procedure Installation Diagram of Indoor UnitMounting the Installation Plate When the installation plate is directly mounted on the wallGood location Bad location Piping and Drain Hose Installation Case of right-side exitCase of downward pipe exit Piping via left-hand connectionDrain Piping Work DrainagePermissible Piping Length and Head Evacuating 100 For RAV-SM560AT-E modelAdditional refrigerant 101Add Only R410A Refrigerant to These Units Heat insulation Wiring connections Wiring between units102 Installation of Remote Controllers Precautions103 Flush wall mountingOptions Improving System Efficiency104 Final Installation Checks 105Environmental Issues Product maintenanceEnvironment 106

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