AIR CONDITIONER (SPLIT TYPE) Installation Manual Indoor Unit Model name: Concealed Duct High Static Pressure Type RAV-SM2242DT-E RAV-SM2802DT-E Installation Manual Air conditioner (Split type) 1 English Manuel d’installation Climatiseur (Type split) 41 Français Installationsanleitung Klimagerät (Split-typ) 81 Deutsch Manuale di installazione Condizionatore d’aria (Tipo split)121 Italiano Manual de instalación Aire acondicionado (Tipo split) 161 Español
Installation Manual Concealed Duct High Static Pressure Original instruction ADOPTION OF NEW REFRIGERANT This Air Conditioner uses R410A an environmentally friendly refrigerant. Contents 1 PRECAUTIONS FOR SAFETY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 ACCESSORY PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3 SELECTION OF INSTALLATION PLACE . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Manual Concealed Duct High Static Pressure Thank you for purchasing this Toshiba air conditioner. 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. Some of the details provided in these instructions differ from the Installation Manual supplied with your product, and the instructions provided here take precedence.
Installation Manual Concealed Duct High Static Pressure 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.
Installation Manual Concealed Duct High Static Pressure ! Warning Indications on the Air Conditioner Unit Warning indication Description WARNING WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing. WARNING Moving parts. Do not operate unit with grille removed. Stop the unit before the servicing. ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing. WARNING Moving parts. Do not operate unit with grille removed.
Installation Manual Concealed Duct High Static Pressure 1 PRECAUTIONS FOR SAFETY WARNING General • Before starting to install the air conditioner, read carefully through the Installation Manual, and follow its instructions to install the air conditioner. • Only a qualified installer(*1) or qualified service person(*1) is allowed to install the air conditioner.
Installation Manual Concealed Duct High Static Pressure Refrigerant piping • 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 refrigerant pipe, the compressor sucks air and the refrigeration cycles is over pressurized, which may cause a injury. • Tighten the flare nut with a torque wrench in the specified manner.
Installation Manual Concealed Duct High Static Pressure CAUTION New Refrigerant Air Conditioner Installation • THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT (R410A) WHICH DOES NOT DESTROY 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.
Installation Manual Concealed Duct High Static Pressure 2 ACCESSORY PARTS Part name Q’ty Shape Installation Manual 2 This manual Owner’s Manual 1 (Be sure to hand over to customers) 1 For heat insulation of Gas pipe connecting section 1 For heat insulation of Liquid pipe connecting section 1 For connecting the gas side pipe Heat insulator Joint (Ø22.2 – Ø28.
Installation Manual Concealed Duct High Static Pressure 3 SELECTION OF INSTALLATION PLACE Upon approval of the customer, install the air conditioner in a place that satisfies the following conditions. • Place where the unit can be installed horizontally. • Place where a sufficient servicing space can be ensured for safety maintenance and check. • Place where drained water will not cause any problem. Avoid installing in the following places.
Installation Manual Concealed Duct High Static Pressure ! Installation space (Unit: mm) Reserve space required for maintenance the indoor unit and service work. 200 or more Servicing space Concealed duct high static pressure 1000 or more Check port with carrying in port 600x600 Air flow direction Air outlet chamber Concealed duct high static pressure Filter chamber Air inlet chamber EN Duct hose Duct hose Duct hose Air flow direction REQUIREMENT 1.
Installation Manual Concealed Duct High Static Pressure 4 INSTALLATION WARNING • • • • Install the air conditioner certainly to sufficiently withstand the weight. If the strength is insufficient, the unit may fall down resulting in human injury. Perform a specified installation work to guard against strong wind or earthquake. An incomplete installation can cause accidents by the units falling and dropping.
Installation Manual Concealed Duct High Static Pressure ! Installation of hanging bolt ! Installation of indoor unit • Consider the piping/wiring after the unit is hung when determining the location of the indoor unit installation and orientation. • After the location of the indoor unit installation has been determined, install hanging bolts. • For the dimensions of the hanging bolt pitches, refer to the external view.
Installation Manual Concealed Duct High Static Pressure ! Diagrams for making connecting flanges (Unit: mm) The connecting flange (Incl. the fixing screw) is not supplied to the indoor unit. When the connecting flange is necessary, produce them in locally. Drawing figure is as follows. (Material: Galvanized steel plate, thickness of 1.
Installation Manual Concealed Duct High Static Pressure ! Duct design 1. In order to prevent short circuits, design the duct installation, so that the intake and discharge openings are not adjacent to each other. 2. The indoor unit does not have a built-in air filter. Make sure to set up the filter chamber etc. and install the air filter (Locally procured). If no air filter is installed, the heat exchanger will be blocked by dust, which may cause the malfunction of air conditioner or the water leakage.
Installation Manual Concealed Duct High Static Pressure 5 FAN CHARACTERISTICS Current value as a criterion, adjust the air volume value to become within the range of the chart below. Standard air volume: 3600m³/h 8 7.5 Current of fan motor (A) 7 6.5 6 High static pressure tap (50Hz) Medium static pressure tap (50Hz) 5.5 Low static pressure tap (50Hz) 5 4.
Installation Manual Concealed Duct High Static Pressure Standard air volume: 4200m³/h 8.5 8 Current of fan motor (A) 7.5 7 High static pressure tap (50Hz) 6.5 Medium static pressure tap (50Hz) 6 Low static pressure tap (50Hz) 5.5 5 4.
Installation Manual Concealed Duct High Static Pressure ! Wire connection change of fan motor This duct is composed of 3 fan motors. To change external static pressure by duct resistance, connect the 3 connectors of the orange lead wires that are connected to the underside of the fan tap changing terminal block to the same number (F1, F2 or F3) terminal. The wires of the fan motor has been connected to (F2) [External static pressure 137Pa (14mmAq)] as factory default.
Installation Manual Concealed Duct High Static Pressure 6 DRAIN PIPING WORK CAUTION Following the Installation Manual, perform the drain piping work that water is properly drained, and apply a heat insulation not to cause a dew condensation. Inappropriate piping work may cause the water leakage in the room and wet of furniture. REQUIREMENT • The drain piping flows the natural drainage.
Installation Manual Concealed Duct High Static Pressure ! Pipe material, size and insulator The following materials for piping work and insulating process are procured locally. Pipe material Insulator Hard vinyl chloride pipe socket for VP25 Hard vinyl chloride pipe VP25 (Nominal outer diameter Ø32mm) Foamed polyethylene foam, thickness: 10mm or more ! Connecting drain pipe REQUIREMENT • Using adhesive agent for vinyl chloride, connect the hard vinyl chloride pipes certainly so that water does not leak.
Installation Manual Concealed Duct High Static Pressure ! Check the draining Check if the water can flow out properly during the test run. Also, check if no water leakage from the piping connection port. REQUIREMENT • Do drain test even if installation of heating season. • Pour water into the drain pan port of the air inlet port gently using the kettle or hose when duct is not connected to the drain pipe. When duct is connected to the drain pipe, remove the Access plate and perform it.
Installation Manual Concealed Duct High Static Pressure ! Heat insulating process • After drain check, covering the heat insulator for drain connecting section, wrap the drain pipe with heat insulator (Locally procured) without clearance from the end of the drain pipe connecting port of the indoor unit.
Installation Manual Concealed Duct High Static Pressure 7 REFRIGERANT PIPING AND EVACUATING ! Refrigerant Piping Flaring 1. If the outdoor units are to be mounted on a wall, make sure that the supporting platform is sufficiently strong. The platform should be designed and manufactured to maintain its strength over a long period of time, and sufficient consideration should be given to ensuring that the outdoor unit will not fall. 2. Use general copper pipes with a wall thickness of 0.8 mm for Ø12.
Installation Manual Concealed Duct High Static Pressure Tightening connection • Remove the cup on the gas side piping by using a brazing machine. CAUTION CAUTION Do not apply excessive torque. Otherwise, the nut may crack depending on the conditions. Do not burn the pipe heat insulator. Remove the cap. (Unit: N•m) Outer dia. of copper pipe Tightening torque 12.7 mm (dia.) 50 to 62 (5.0 to 6.
Installation Manual Concealed Duct High Static Pressure Refrigerant amount to be added Heat insulation process For addition of the refrigerant, add refrigerant “R410A” referring to the attached Installation Manual of outdoor unit. Be sure to use a scale to charge the refrigerant of specified amount. Apply heat insulation for the pipes separately at liquid side and gas side. For the heat insulation to the pipes at gas side, be sure to use the material with heat-resisting temperature 120°C or higher.
Installation Manual Concealed Duct High Static Pressure 8 ELECTRICAL CONNECTION Remote controller wiring 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. Be sure to connect earth wire. (grounding work) Incomplete grounding cause an electric shock.
Installation Manual Concealed Duct High Static Pressure ! 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 wire connection holes of the indoor unit. Keep a margin (Approx. 100mm) on a wire to hang down the electrical control box at servicing, etc. The low-voltage circuit is provided for the remote controller. (Do not connect the high-voltage circuit) 1.
Installation Manual Concealed Duct High Static Pressure (Unit: mm) Group control 10 10 Wired remote controller R (L) S (N) 30 40 A 2 3 30 40 10 1 10 Indoor fan power supply wire System interconnecting wire ! Remote Controller Wiring • Strip off approx. 9mm the wire to be connected. • Non polarity, 2 core wire is used for wiring of the remote controller. (0.5mm² to 2.
Installation Manual Concealed Duct High Static Pressure 9 APPLICABLE CONTROLS Procedure 1 REQUIREMENT • When you use this air conditioner for the first time, it takes approx. 5 minutes until the remote controller becomes available after power-on. This is normal. It takes approx. 5 minutes until the remote controller becomes available. Approx.
Installation Manual Concealed Duct High Static Pressure Procedure 6 When settings have been completed, push button to determine the settings. When button is pushed, “SETTING” flashes and then the display content disappears and the air conditioner enters the normal stop mode. (While “SETTING” is flashing, no operation of the remote controller is accepted.) ! Power saving mode 1. Push button for at least four seconds when the air conditioner is not working. flashes. Indicates CODE No. “C2.” 2.
Installation Manual Concealed Duct High Static Pressure ! Remote controller switch monitoring function Outdoor unit data CODE No.
Installation Manual Concealed Duct High Static Pressure ! Group control Group control for system of multiple units One remote controller can control up to 8 indoor units as a group. ▼ Group control in single system Outdoor unit Outdoor unit Outdoor unit Outdoor unit Outdoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Remote controller (Max.
Installation Manual Concealed Duct High Static Pressure Procedure example 1 3. Push button. In this time, the setup finishes when the display changes from flashing to lighting. Manual address setup procedure While the operation stops, change the setup. (Be sure to stop the operation of the unit.) Indoor unit No. before setup change is displayed. 7 3 -1, 4 -1, 5 -1, 6 3 -2, 4 -2, 5 -2 7 1 2,6 3 -3, 4 -3, 5 -3, Procedure 4 Procedure 1 Push simultaneously + + buttons for 4 seconds or more.
Installation Manual Concealed Duct High Static Pressure Procedure 6 If there is other indoor unit to be changed, repeat procedure 2 to 5 to change the setup. When the above setup has finished, push to select the indoor UNIT No. before change of setup, specify CODE No. [12], [13], [14] in order with TEMP. / buttons, and then check the changed contents. To recognize the position of the corresponding indoor unit though the indoor UNIT No. is known Check the position during operation stop.
Installation Manual Concealed Duct High Static Pressure ! 8°C Operation Pre-heating operation can be set for cold regions where room temperature drops to below zero. Procedure 1 Push simultaneously + + buttons for 4 seconds or more when the air conditioner is not working. After a while, the display part flashes as shown below. Check the Displayed CODE No. is [10]. • When the CODE No. is other than [10], push button to erase the display and repeat procedure from the first step.
Installation Manual Concealed Duct High Static Pressure 10 TEST RUN Procedure 3 ! Before test run • Before turning on the power supply, carry out the following procedure. 1) Using 500V-megger, check that resistance of 1M! or more exists between the terminal block 1 to 3 and the earth (grounding). If resistance of less than 1M! is detected, do not run the unit. 2) Check the valve of the outdoor unit being opened fully.
Installation Manual Concealed Duct High Static Pressure 11 MAINTENANCE CAUTION When connecting a return air duct to the unit, the cleaning method of the air filter differs according to the construction of duct end. Ask a qualified installer or qualified service person. Cleaning of air filter 1. If is displayed on the remote controller, contact to qualified installer or qualified service person. 2. Take out the air filter.
Installation Manual Concealed Duct High Static Pressure Maintenance List Part Check (visual/auditory) Maintenance Heat exchanger Indoor/outdoor • Dust/dirt clogging, scratches • Wash the heat exchanger when it is clogged. Fan motor Indoor/outdoor • Sound • Take appropriate measures when abnormal sound is generated. • Dust/dirt, breakage • Wash the filter with water when it is contaminated. • Replace it when it is damaged.
Installation Manual Concealed Duct High Static Pressure 12 TROUBLESHOOTING Procedure 2 ! Confirmation and check When an error occurred in the air conditioner, an error code and indoor UNIT No. appear on the display part of the remote controller. The error code is only displayed during the operation. If the display disappears, operate the air conditioner according to the following “Confirmation of error log” for confirmation.
Installation Manual Concealed Duct High Static Pressure ! Error codes and parts to be checked Wired remote controller display Main defective parts Judging device Parts to be checked / error description Air conditioner status Indication No header remote controller E01 Remote controller communication error E02 Remote controller transmission error Remote controller * No signal can be received from the indoor unit. Remote controller System interconnecting wires, indoor P.C.
Installation Manual Concealed Duct High Static Pressure Wired remote controller display Main defective parts Air conditioner status Judging device Parts to be checked / error description Network adapter central control Address setting, central control remote controller, network adapter --Duplication of address in central control communication Auto-reset Other outdoor unit error Entire stop Indication L20 L29 LAN communication error Other outdoor unit error Outdoor 1) Communication error bet