Installation Manual
Contents
1. controller wiring of indoor unit m 2 Point the remote control at the signal receiving unit uu 3 Push and hold 2 button on the Remote Control by NOTE the tip of the pencil 00 will be shown on the display 4 Press during pushing gx B will show on the aoe D display and 00 will disappear and the air conditioner Even if the wireless remote controller of accessory parts connects with terminal block of indoor unit it cannot be S Lb will turn OFF The Remote Control B is memorized used OFF Note 1 Repeat above step to reset Remote Control to SW501 2 be A SNSOTI 2 Remote Control A has not A display MCU IC501 3 Default setting of Remote Control from factory is A External static SW501 2 SW501 1 women m pressure M or 10 Pa default OFF OFF Dn ban 20 Pa OFF ON m CDI 35 Pa ON OFF o A Pa ON ON Test Operation To restore the factory defaults To switch to the TEST RUN COOL mode press TEMPORARY button for 10 seconds The beeper will make a short beep In the TEST RUN COOL mode all LEDs together keep blinking To return the DIP switch settings to the factory defaults set SW501 1 and SW501 2 to OFF Remote Control Selection When two indoor units are installed in the same room or adjacent two rooms if operating a unit two units may receive the remote control signal simultaneously and operate In this case t2. Reference Condensation test nd id 27 C dry bulb temperature iti ndoor side conditions 24 C wet bulb temperature a o lt Air inlet LO Air volume Low air volume operation time 4 hours W Installation space Access port Ceiling opening Drain pii Model type A rain piping Refrigerant piping M07 10 13G3DV 1 250 M16G3DV 1 450 Access port Ceiling opening Floor surface Access port A Air outlet p 3 Access port 450 S EN 11 6 EN 12 4 Installation A CAUTION 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 or let a person get on it Even units are packaged Carry in the indoor unit as it is packaged if possible If carrying in the indoor unit unpacked by necessity use buffering cloth or other material not to damage the unit W External dimensions Hanging bolt pitch A Unit external dimension B C Outside 125 Outside 56 40 Li Gma Ga 90 knockout hole
3. Adhesive agents cannot be used for the drain pipe connecting port hard socket of the indoor unit Be absolutely sure to secure the pipe using the hose bands provided Use of an adhesive agent may damage the drain pipe connecting port or cause water to leak 1 5mto2m Support As long as possible y Lu z bracket Approx 10 cm R l X Arched shape Heat insulator TT TES Downward slope rica slope X Trap 1 100 or more VP30 Incorrect Drain pipe VP25 vinyl chloride pipe 15 mm or less 10 to 12 mm connecting port Attached hose band Locally procured Hose band tightening Hard socket Attached flexible hose margin X E J Drain pipe connecting port Transparent VP25 vinyl chloride pipe Locally procured Indoor unit Soft socket Socket for VP25 Locally procured Hard socket Adhesive inhibited Use the attached flexible hose and hose band for connecting the drain hose to the clear drain socket If applying the adhesive socket will be damaged and cause water leakage Indoor unit Socket for VP25 vinyl chloride pipe Locally procured Natural water draining Lower pipe 5 mm or less Heat Flexible hose insulator Accessory EN 19 10 Installation Manual W Pipe material size and insulator The following materials for piping work and
4. For air taking in EN 13 Electrical control box Hanging bolt pitch 370 40 Unitexternal Unit external dimension 450 Installation Manual To move the indoor unit hold the hooking brackets 4 positions only Do not apply force to the other parts refrigerant pipe drain pan foamed parts resin parts or other parts Hanging bolt pitch of air intake chamber side is different centre position make sure not to make mistake to install the setting direction Carry the package by two or more persons and do not bundle it with plastic band at positions other than specified To install vibration isolation material to hanging bolts confirm that it does not increase the unit vibration Unit mm Hanging bolt 25 or less ang Only the position of N an access cover T QO 187 Refrigerant pipe connecting port Liquid side Drain pipe connecting port Refrigerant pipe connecting port ES 7 e Gas side Model type A B M07 10 13G3DV 770 700 650 Wires drawing out port M16G3DV 970 900 850 EN 14 W Installation of hanging bolt Consider the piping wiring after the unit is hung to determine the location of the indoor unit installation and orientation After the location of the indoor unit installation has been determined install hanging
5. ANOTHER PLACE AGAIN BE VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT R410A WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CYCLE IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CYCLE BECOMES ABNORMALLY HIGH AND IT RESULTINGLY CAUSES BURST OF THE PIPE AND INJURIES ON PERSONS IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE INSTALLATION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED BY FIRE OR SOMETHING ELSE IT CAUSES GENERATION OF POISONOUS GAS WHEN INSTALLING OR RE INSTALLING THE AIR CONDITIONER DO NOT INJECT AIR OR OTHER SUBSTANCES BESIDES THE DESIGNATED REFRIGERANT R410A INTO THE REFRIGERATING CYCLE IF AIR OR OTHER SUBSTANCES ARE MIXED AN ABNORMAL PRESSURE CAN OCCUR IN THE REFRIGERATING CYCLE AND THIS CAN CAUSE AN INJURY DUE TO A PIPE RUPTURE A WARNING Installation work must be requested from the supplying retail dealership or professional vendors Self installation may cause water leakage electrical shock or fire as a result of improper installation Specified tools and pipe parts for model R410A are required and installation work must be done in accordance with the manual HFC type refrigerant RA10A has 1 6 times more pressure than that EN 4 of conventional refrigerant R22 Use the specified pipe parts ensure correct installation otherwise damage and or injury may be caused At the same time
6. bolts For the dimensions of the hanging bolt pitches refer to the external view When a ceiling already exists lay the drain pipe refrigerant pipe control wires and remote controller wires to their connection locations before hanging the indoor unit Procure hanging bolts washer and nuts for installing the indoor unit these are not supplied Hanging bolt M10 or W3 8 4 pieces Nut M10 or W3 8 12 pieces Washer M10 8 pieces Installation of hanging bolt Use M10 hanging bolts 4 pcs locally procured Matching to the existing structure set pitch according to size in the unit external view as shown below New concrete slab Install the bolts with insert brackets or anchor bolts Slide type bracket 222 26 67 35 Rubber Anchor bolt Pipe hanging anchor bolt Blade type bracket Steel frame structure Use existing angles or install new support angles Hanging bolt B Tw 1 m Hanging bolt Existing concrete slab Use a hole in anchors hole in plugs or a hole in bolts EN 15 Installation of indoor unit Treatment of ceiling The ceiling differs according to structure of building For details consult your constructor or interior finish contractor In the process after the ceiling board has been removed it is important to reinforce ceiling foundation frame and to keep horizontal level of in
7. insulating process are procured locally Pipe material Hard vinyl chloride pipe VP25 Nominal outer diameter 232 mm Insulator Foamed polyethylene foam thickness 10 mm or more W Connection of drain hose Connect a hard socket locally procured to the hard socket of the attached supplied flexible hose Connect a drain pipe locally procured to the connected hard socket REQUIREMENT Connect hard vinyl chloride pipes securely using an adhesive for vinyl chloride to avoid water leakage It takes some time until the adhesive is dried and hardened refer to the manual of the adhesive Do not apply stress to the joint with the drain pipe during this time period Insert the flexible drain hose into the upper drain pipe and fix it with the hose band Hose band Flexible drain hose Upper pipe Gravitational drainage Gravitational drainage can be changed to natural water draining for models with a drain pump by following the steps below 1 Remove the drain pump connector CN504 For gravitational drainage remove the white connector CN504 on the P C CN504 board in the electrical control box White 2 Move the plug to the upper pipe from the lower pipe on the side that will be used 3 Insert the flexible drain hose into the lower drain pipe and fix it with the hose band af Installation Manual 1 After checking that the water drains and there are no water leaks turn off the
8. of Signal receiving unit with the connector W Installation location of receiving unit The sensor of indoor unit with wireless remote controller can receive a signal by distance within approx 8 m Based upon it determine a place where the remote controller is operated and the installation place Operate the remote controller confirm that the indoor unit receives a signal surely and then install it Keep 1 m or more from the devices such as television stereo Disturbance of image or noise may generate To prevent a malfunction select a place where is not influenced by a fluorescent light or direct sunlight How to Install the Signal Receiving Unit To prevent electric shocks embed the wires in the wall and do not expose them When installing wires on the wall be sure to cover them with insulating materials Note To avoid malfunction of the remote controller do not assemble or run remote control wiring together with the power cables and do not enclose them in the same metal conduit When the power unit induces electrical noise it is recommended that a noise filter or the like be insta Installing into the switch box 1 Insert a flathead screwdriver or similar tool into the groove and remove the lower case Fig 1 2 Fixthe lower case with M4 x 25 mm screws provided Do not overly tighten and use the provided spacers If the Signal receiving unit does not fit in the wall cut spacers to adjust the cleara
9. the leakage of refrigerant Wear gloves heavy gloves such as cotton gloves for installation work Failure to do so may cause personal injury when handling parts with sharp edges Do not touch the air intake section or the aluminum fins of the outdoor unit It may cause injury Do not install the outdoor unit in a place which can be a nest for small animals Small animals could enter and contact internal electrical parts causing a failure or fire Request the user to keep the place around the unit tidy and clean Make sure to conduct a trial operation after the installation work and explain how to use the unit to the customer in accordance with the manual Ask the customer to keep the operation manual along with the installation manual EN 8 2 Accessory parts 5 3 Installation Manual Selection of installation place Avoid installing in the following places Select a location for the indoor unit where the cool or warm air will circulate evenly Avoid installation in the following kinds of locations Part name Q ty Shape Usage Installation Manual 1 This manual sure to hand over to customers Insulating pipe 2 For insulating pipe connecting section Washer 8 M10 x 234 For hanging down the unit Hose band 1 6 For connecting drain pipe Flexible hose 1 cm For adjustment of drain pipe centering Heat insulator 1 C3 For i
10. ION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED BY FIRE OR SOMETHING ELSE IT CAUSES GENERATION OF POISONOUS GAS WHEN INSTALLING OR RE INSTALLING THE AIR CONDITIONER DO NOT INJECT AIR OR OTHER SUBSTANCES BESIDES THE DESIGNATED REFRIGERANT R410A INTO THE REFRIGERATING CYCLE IF AIR OR OTHER SUBSTANCES ARE MIXED AN ABNORMAL PRESSURE CAN OCCUR IN THE REFRIGERATING CYCLE AND THIS CAN CAUSE AN INJURY DUE TO A PIPE RUPTURE A WARNING Installation work must be requested from the supplying retail dealership or professional vendors Self installation may cause water leakage electrical shock or fire as a result of improper installation Specified tools and pipe parts for model R410A are required and installation work must be done in accordance with the manual HFC type refrigerant RA10A has 1 6 times more pressure than that EN 4 THIS AIR CONDITIONER USES THE NEW REFRIGERANT R410A WHICH DOES NOT DESTROY THE OZONE LAYER R410A refrigerant is apt to be affected by impurities such as water oxidizing membranes and oils because the pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 As well as the adoption of this new refrigerant refrigerating machine oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigerating machine oil does not enter the refrigeration cycle of a new refrigerant air conditioner To avo
11. Multi System air conditioner is more than the volume charged to a conventional individual system When wiring use the specified cables and connect the terminals securely to prevent external forces applied to the cable from affecting the terminals Install the access port ceiling opening at least 2 5 m above the floor level and attach the grille locally procured to the air intake section since otherwise the users may injure themselves or receive electric shocks if they poke their fingers or other objects into the indoor unit while the air conditioner is running A CAUTION Exposure of unit to water or other moisture before installation could result in electric shock Do not store it in a wet basement or expose to rain or water e After unpacking the unit examine it carefully for possible damage Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level of the unit or where noise and discharged air might disturb neighbors EN 7 Installation Manual Follow the instructions in this installation manual to arrange the drain pipe for proper drainage from the unit Ensure that drained water is discharged Improper drainage can result in water leakage causing water damage to furniture Tighten the flare nut with a torque wrench using the prescribed method Do not apply excess torque Otherwise the nut may crack after a long period of usage and it may cause
12. TOSHIBA Leading Innovation gt gt gt AIR CONDITIONER MULTI SPLIT TYPE HFC Installation Manual Indoor Unit Model name lt Concealed Duct Type gt RAS M07G3DV Series RAS M10G3DV Series RAS M13G3DV Series RAS M16G3DV Series EG55760001 00 Frangais Portugu s EAAnvika T rkce Cesky Hrvatski Nederlands Svenska Latviski Slovencina Sloven ina THIS AIR CONDITIONER USES THE NEW REFRIGERANT R410A WHICH DOES NOT DESTROY THE OZONE LAYER R410A refrigerant is apt to be affected by impurities such as water oxidizing membranes and oils because the pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 As well as the adoption of this new refrigerant refrigerating machine oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigerating machine oil does not enter the refrigeration cycle of a new refrigerant air conditioner To avoid mixing refrigerant and refrigerating machine oil the sizes of charging port connecting sections on the main unit are different from those for the conventional refrigerant and different size tools are also required For connecting pipes use new and clean piping materials with high pressure withstand capabilities designed for R410A only and ensure that water or dust does not enter Moreover do not use any
13. ay result in damage or deformation of the case Tighten to the point where the Signal receiving unit can be moved slightly by hand Fig 5 Fig 5 EN 18 5 Drain piping A CAUTION Following the Installation Manual perform the drain piping work so that water is properly drained Apply a heat insulation so as not to cause a dew condensation Inappropriate piping work may result in water leakage in the room and wet furniture Provide the indoor drain piping with proper heat insulation Provide the area where the pipe connects to the indoor unit with proper heat insulation Improper heat insulation will cause condensation to form The drain pipe must be sloping downward at an angle of 1 100 or more and do not run the pipe up and down arched shape or allow it to form traps Doing so may cause abnormal sounds Restrict the length of the traversing drain pipe to 20 meters or less For a long pipe provide support brackets at intervals of 1 5 to 2 meters to prevent flapping Install the collective piping as shown in the following figure Do not provide any air vents Otherwise the drain water will spout causing water to leak Do not allow any force to be applied to the connection area with the drain pipe A hard PVC pipe cannot be connected to the drain pipe connecting port of the indoor unit Be absolutely sure to use the flexible hose provided for the connections with the drain pipe connecting port
14. cally procured Direct the slits and seams of the heat insulator upward to avoid water leakage EN 22 Installation Manual EE LL LLL 6 Duct design Arrangement Referring to the following dimensions manufacture duct at the local site M07 10 13G3DV M16G3DV Under air intake Under air intake Back air intake Back air intake 169 7 184 23 12 EN 24 13 Installation Manual W Fan characteristics 60 50 40 30 20 External Static Pressure Pa 10 60 50 40 20 External Static Pressure Pa EN 25 RAS M07G3DV M10G3DV Series Standard Air Volume 570m h Upper limit of external static pressure 45Pa High 45Pa 9 Lower limit of external 06 45 High 20Pa E 300 400 500 600 900 Air Volume m h RAS M13G3DV Series Standard Air Volume 610m h Upper limit of external Lower limit of external Salic pressure 45Pa xL N Low 20Pa lt D et Mr 300 400 500 600 700 900 Air Volume m h 200 External Static Pressure Pa 60 50 40 30 20 RAS M16G3DV Series Standard Air Volume 780m7 h 1 Lower limit of external static pressure 45Pa Low 45Pa Low 35Pa Low 20Pa Low 10Pa 200 300 400 500 600 700 800 900 Air Volume m h EN 26 Connecting method of
15. existing piping as its pressure withstand may be insufficient and may contain impurities A DANGER FOR INSTALLATION BY QUALIFIED PERSONS ONLY MEANS FOR DISCONNECTION FROM THE SUPPLY HAVING A CONTACT SEPERATION OF AT LEAST 3 mm IN ALL POLES MUST BE INCORPORATED IN THE FIXED WIRING e TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK e CONNECT THE CONNECTING CABLE CORRECTLY IF THE CONNECTING CABLE 15 CONNECTED WRONGLY ELECTRIC PARTS MAY BE DAMAGED CHECK THE EARTH WIRE THAT IT IS NOT BROKEN OR DISCONNECTED BEFORE INSTALLATION DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS FAILURE TO FOLLOW EN 3 Installation Manual THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT OVERHEATING THE INDOOR UNIT AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEATERS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN ANOTHER PLACE AGAIN BE VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT R410A WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CYCLE IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CYCLE BECOMES ABNORMALLY HIGH AND IT RESULTINGLY CAUSES BURST OF THE PIPE AND INJURIES ON PERSONS IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE INSTALLAT
16. he earth wire to a gas pipe water pipe lightning conductor or telephone earth wire Improper earth work may be the cause of electrical shock Do not install the unit where flammable gas may leak If there is any gas leakage or accumulation around the unit it can cause a fire EN 5 Installation Manual Do not select a location for installation where there may be excessive water or humidity such as a bathroom Deterioration of insulation may cause electrical shock or fire Installation work must be performed following the instructions in this installation manual Improper installation may cause water leakage electrical shock or fire Check the following items before operating the unit Be sure that the pipe connection is well placed and there are no leaks Check that the service valve is open If the service valve is closed it may cause overpressure and result in compressor damage At the same time if there is a leak in the connection part it may cause air suction and overpressure resulting burst or injury In pump down operations ensure to perform the following procedures Do not inject air into the refrigeration cycle Be sure to close both service valves and stop the compressor before removing the refrigerant pipe If removing the refrigerant pipe while the compressor is operating with the service valves opened it may cause to air absorbed and abnormal high pressure inside the refrigeration cycle and resu
17. he electrical control box remove the cover of the box fixed with 1 screw 2 Tighten the screws of the terminal block firmly and fix the wires with the cord clamps attached to the electrical control box Do not apply tension to the connecting section of the terminal block Mount the cover of the electrical control box without pinching wires Heat insulator torq ue may crack the nut Heat insulation of the pipe Union Banding band Side C Space 4 mm Side D Space 8 5 mm depending on installation Accessory Locally 2 E procured a conditions Select side C or D for the power cable clamping position referring to the following table according to the cable type and diameter Cable clamp can be attached on either right or left side W Ai rtig ht test Air purge etc When twin system are connected clamp two cables with one cable clamp For air tightness test vacuum drying and adding Wire ype Sp cificatl n Gable claniping poslt on refrigerant refer to the Installation Manual attached tothe Optional remote Cablyre cable 3 core stranded wire 2 5 mm Side D outdoor unit controller wining Connecting cable Cabtyre cable 4 core stranded wire 1 5 mm Side Signal receiving it wiri W Open the valve fully See the figure on the left for Open the valve of the outdoor unit full
18. he operation can be preserved by setting either one remote control to B setting Both are set to A setting in factory shipment The remote control signal is not received when the settings of indoor unit and remote control are different There is no relation between A setting B setting and A room B room when connecting the piping and cables TEMPORARY button In order to prevent a serial operation the TEST RUN COOL mode is released after 60 minutes have passed and returns to the usual operation EN 31 16 EN 32 17 Installation Manual Auto Restart Setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure Information The product was shipped with Auto Restart function in the off position Turn it on as required How to set the Auto Restart 1 Press and hold the TEMPORARY button on the signal receiving unit for 3 seconds to set the operation 3 beep sound and OPERATION lamp blink 5 time sec for 5 seconds 2 Press and hold the TEMPORARY button on the signal receiving unit for 3 seconds to cancel the operation 3 beep sound but OPERATION lamp does not blink EN 33 TOSHIBA EG55760001 00
19. id mixing refrigerant and refrigerating machine oil the sizes of charging port connecting sections on the main unit are different from those for the conventional refrigerant and different size tools are also required For connecting pipes use new and clean piping materials with high pressure withstand capabilities designed for R410A only and ensure that water or dust does not enter Moreover do not use any existing piping as its pressure withstand may be insufficient and may contain impurities A DANGER FOR INSTALLATION BY QUALIFIED PERSONS ONLY MEANS FOR DISCONNECTION FROM THE SUPPLY HAVING A CONTACT SEPERATION OF AT LEAST 3 mm IN ALL POLES MUST BE INCORPORATED IN THE FIXED WIRING e TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK e CONNECT THE CONNECTING CABLE CORRECTLY IF THE CONNECTING CABLE 15 CONNECTED WRONGLY ELECTRIC PARTS MAY BE DAMAGED CHECK THE EARTH WIRE THAT IT IS NOT BROKEN OR DISCONNECTED BEFORE INSTALLATION DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS FAILURE TO FOLLOW EN 3 Installation Manual THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT OVERHEATING THE INDOOR UNIT AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEATERS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN
20. ipe and flare the pipe Use the flare nut provided with the unit or the one used for the R410A refrigerant The flaring dimensions for R410A are different from the ones used for the conventional R22 refrigerant A new flare tool manufactured for use with the R410A refrigerant is recommended but the conventional tool can still be used if the projection margin of the copper pipe is adjusted to be as shown in the following table Installation Manual Projection margin in flaring B Unit mm Outer dia of R410A tool Conventional copper pipe used tool used 6 4 9 5 0 to 0 5 1 0 to 1 5 12 7 a Y Flaring diameter size A Unit mm Outer dia of copper 3 pipe 6 4 9 1 9 5 13 2 12 7 16 6 A n case of flaring for R410A with the conventional flare tool pull it out approx 0 5 mm more than that for R22 to adjust to the specified flare size The copper pipe gauge is useful for adjusting projection margin size The sealed gas was sealed at the atmospheric pressure so when the flare nut is removed there will no whooshing sound This is normal and is not indicative of trouble Use two wrenches to connect the indoor unit pipe 1 4 Work using double spanner EN 28 15 Installation Manual Use the tightening torque levels as listed in the table REQUIREMENT 8 E lectri cal conn ecti on below Outer dia of Apply the heat i
21. ireless type of system rooms with the inverter type of fluorescent lighting or locations exposed to direct sunlight The signals from the wireless remote controller may not be sensed Locations where organic solvents are being used The air conditioner cannot be used for liquefied carbonic acid cooling or in chemical plants Location near doors or windows where the air conditioner may come into contact with high temperature high humidity outdoor air Condensation may occur as a result Locations where special sprays are used frequently EN 10 Installation Manual E Installation under high humidity atmosphere Under air intake Back air intake In some cases including the rainy season especially inside of the ceiling may become high humidity atmosphere dew point temperature 23 or higher 1 0 i 1 Installation to inside of the ceiling with tiles on the roof e o c lt Air inlet 2 Installation to inside of the ceiling with slated roof 300 or more 3 Installation to a place where inside of the ceiling is used for pathway to intake the fresh air Ceiling Air inlet COOLING 4 Installation to a kitchen Inthe above cases additionally attach the heat insulator to all positions of the air conditioner which come to contact with the high humidity atmosphere Apply also a sufficient heat insulation to the duct and connecting part of the duct Access port Ceiling opening
22. lting burst or injury Do not modify the power cable connect the cable midway or use a multiple outlet extension cable Doing so may cause contact failure insulation failure or excess current resulting in fire or electrical shock Do not use any refrigerant different from the one specified for complement or replacement Otherwise abnormally high pressure may be generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body Be sure to comply with local regulations codes when running the wire from the outdoor unit to the indoor unit Size of wire and EN 6 wiring method etc Places where iron or other metal dust is present If iron or other metal dust adheres to or collects on the interior of the air conditioner it may spontaneously combust and start a fire e If you detect any damage do not install the unit Contact your supplying dealer immediately Do not install in a place which cannot bear the weight of the unit Personal injury and property damage can result if the unit falls When installing the air conditioner in a small room provide appropriate measures to ensure that the concentration of refrigerant leakage occur in the room does not exceed the critical level It is not dangerous refrigerant it has not toxicity or combustibility However a concentration above 0 3 kg m as criterion still causes suffocation The volume of refrigerant charged to the
23. n to form the plastic parts to be damaged and other such problems to result Places where iron or other metal dust is present If iron or other metal dust adheres to or collects on the interior of the air conditioner it may spontaneously combust and start a fire Locations near obstructions such as ventilation openings or lighting fixtures where the flow of the blown air will be disrupted a disruption of the air flow may cause the air conditioner s performance to deteriorate or the unit to shut down Locations where an in house power generator is used for the power supply The power line frequency and voltage may fluctuate and the air conditioner may not work properly as a result On truck cranes ships or other moving conveyances The air conditioner must not be used for special applications such as for storing food plants precision instruments or art works The quality of the items stored may be degraded Locations where high frequencies are generated by inverter equipment in house power generators medical equipment or communication equipment Malfunctioning or control trouble in the air conditioner or noise may adversely affect the equipment s operation Locations where there is anything under the unit installed that would be exposed to wet risk If the drain has become blocked or when the humidity is over 80 condensation from the indoor unit will drip possibly causing damage to anything underneath In the case of the w
24. nce led Switch box Locally procured UU Signal receiving Sj unit pacer A Lower case Signal receiving unit Screw M4 x 25 mm EN 17 4 Mounting on the ceiling 1 2 Use bracket parts A and B to securely grip the ceiling Connect the housing of Signal receiving unit with the connector Insert a slotted screwdriver into the opening at the bottom of the Adjust the provided spacers so that they are several millimeters Return parts A and B through the gap between the ceiling Firmly attach the signal receiving unit to the lower case of wires extended from the indoor unit Fig 2 Reattach the upper case Wire housing Fig 2 Cut a section out of the ceiling along the provided paper pattern 95 x 51 mm Pass the wire through the provided mounting bracket and insert the bracket into the installation hole Fig 3 material Fig 4 of wires extended from the indoor unit remote controller Remove the lower case from the signal receiving unit larger than the thickness of the ceiling material Pass the 2 supplied screws M4 x 40 mm through the spacers and tighten them enough to hold the Signal receiving unit in place and Signal receiving unit so that they are contained in the openings Then tighten the screws Do not tighten the screws excessively This m
25. nsulating drain connecting section Signal receiving unit 1 AR Mounting bracket 1 For signal receiving unit S o Screw 2 o For signal receiving unit M4 x 25 mm Screw 2 For signal receiving unit M4 x 40 mm o Wood Screw 2 z For signal receiving unit 3 8 x 16 mm Spacer 4 edo For signal receiving unit Pattern template 1 For signal receiving unit 95 mm x 51 mm Remote controller 1 L C2 Battery 2 Remote controller holder 1 KO For remote controller o Screw 2 ges For remote controller holder 03 1 x 16 mm Owner s Manual 1 a CD ROM 1 For some models only EN 9 Saline area coastal area Locations with acidic or alkaline atmospheres such as areas with hot springs factories where chemicals or pharmaceuticals are made and places where the exhaust air from combustion appliances will be sucked into the unit Doing so may cause the heat exchanger its aluminum fins and copper pipes and other parts to become corroded Locations with atmospheres with mist of cutting oil or other types of machine oil Doing so may cause the heat exchanger to become corroded mists caused by the blockage of the heat exchanger to be generated the plastic parts to be damaged the heat insulators to peel off and other such problems to result Locations where vapors from food oils are formed such as kitchens where food oils are used Blocked filters may cause the air conditioner s performance to deteriorate condensatio
26. nsulation to the pipe connecting 1 The supply voltage must be the same as the rated voltage of the air conditioner m Tightening torque N m amp amp 2 P h f lusi ith the ai diti connecting pipe mm section of the indoor unit securely up to the root Prepare the power source for exclusive use with the air conditioner 6 4 14 to 18 1 4 to 1 8 kgf m without exposure of the pipe The pipe exposed to the NOTE 9 5 34 to 42 3 4 to 4 2 EE LE 12 7 49 to 61 4 9 to 6 1 kgf m red eat insulator with its slifs facing up Coen d Wire type More than HO7RN F or 60245 IEC66 1 5 mm or Tightening torque of flare pipe connections Pressure of R410A is higher than that of R22 Approx Wrap the pipe with the attached heat insulator REQUIREMENT 1 6 times Therefore using a torque wrench tighten without any gap between the indoor unit the flare pipe connecting sections which connect the indoor and outdoor units of the specified tightening torque Incorrect connections may cause not only a gas leak but also a trouble of the refrigeration cycle A CAUTION Tightening with an excessive The seam must be faced upward ceiling side Indoor unit Connect the wires matching the terminal numbers Incorrect connection may cause a trouble Keep a margin Approx 100 mm on a wire to hang down the electrical control box at servicing or other purpose Flare nut 1 Before performing wiring work in t
27. nt and that no water is leaking from the drain pipe When the electrical and wiring work has not been completed Disconnect the float switch connector 3P red from the connector CN34 red on the P C board inside the electrical control box Before doing this the power must be turned off Connect a 220 V to 240 V supply voltage to 1 and 2 on the power supply terminal block Do not apply a 220 V to 240 V voltage to A B of the terminal block Otherwise the printed circuit board may be damaged Pour the water by following the method shown in the following figure Amount of water poured 1500 cc to 2000 cc When the power is turned on the drain pump automatically starts running Check whether the water is draining from the drain pipe connecting port and check that no water is leaking from the drain pipe EN 21 Red from P C board Access panel Supply water hose Heat insulating process As shown in the figure cover the flexible hose and hose band with the attached heat insulator up to the bottom of the indoor unit without gap Cover the drain pipe seamlessly with a heat insulator locally procured so that it overlaps with the attached heat insulator of the drain connecting section Wrap the attached heat insulator seamlessly from the surface of the indoor unit Heat insulator ofthe Heat insulator drain connecting Locally procured section Accessory Indoor unit Banding band Lo
28. power connect the float switch connector to its original location CN34 on the P C board and return the electrical control box to its original position 220 V to 240 V OO white Lower pipe Hose band lack _ Flexible H drain hose Black x Pull out connector CN34 Drain up When a down gradient cannot be secured for the drain pipe drain up piping is possible The height of the drain pipe must be 350 mm or less from the underside of the indoor unit For drain pipes that will be connected after setup make a downward slope of 1 100 or more 177 or Flexible drain hose Take the drain pipe out of the drain pipe joint with the indoor unit in Accessory 300 mm or less and bend up the pipe vertically Tg P Immediately after the pipe is bent up vertically lay the pipe making a 5 down gradient 300 or less Drain up setup dimensions Check the draining In the test run check that water drain is properly performed and water does not leak from the connecting part of the pipes When doing this also check that no abnormal sounds are heard from the drain pump motor Check draining also when installed in heating period When the electrical and wiring work has been completed Pour some water by following the method shown in the following figure Then while performing a cooling operation check that the water drains from the drain pipe connecting port transpare
29. stalled ceiling correctly in order to prevent vibration of ceiling board Attach the nuts and the M10 flat washers to the hanging bolt Put washers at up and down of the hanging bracket of the indoor unit to hang down the indoor unit Check that four sides are horizontal with a level gauge Horizontal degree Within 5 mm Hanging bolt _ W3 8 or W3 8 or M10 Nut W3 8 or M10 EN M10 flat washer d M10 flat washer REQUIREMENT Hang the unit in a horizontal position When unit is hanged to slant it may cause overflow of drainage Install the unit within the dimension according to the figure below Use level gauge to confirm whether the unit is hang horizontally Front view Incorrect Drain pump side 5or less Drain pump side Set the drain pipe connecting port side within 5 mm lower than opposite side Side view Incorrect o Set the air intake and air discharge sides are within 5 mm with each other Changing from under air intake to back air intake Remove the suction board cover attached to the back and screw it to the bottom of unit Suction board Remove the top and bottom fan case screws and fasten the fan case with the suction board EN 16 Installation Manual ___ 3 Connect the housing
30. the duct A Connect a duct to the outside of the flange In addition the duct must be covered with insulation material so that the flange Flange locally procured will not be exposed j Duct Insulation material locally procured Aluminum tape locally procured Flange Indoor unit Air discharge side Aluminum tape locally procured Under surface Attach the air intake grille and the air filter locally procured to the air intake side of ceiling opening A CAUTION Incomplete heat insulation of the supply air flange and sealing may occur dewing resulted in falling of water drop EN 27 14 7 Refrigerant piping A CAUTION When the refrigerant pipe is long provide support brackets at intervals of 2 5 to 3 m to clamp the refrigerant pipe Otherwise abnormal sound may be generated Use the flare nut attached with the indoor unit or R410A flare nut W Permissible piping length and height difference They vary depending on the outdoor unit For details refer to the Installation Manual attached to the outdoor unit W Pipe size Pipe size mm Model RAS gt REEE Gas side Liquid side M07 10 13G3DV 09 5 26 4 M16G3DV 9012 7 26 4 Connecting refrigerant piping Flaring 1 Cut the pipe by a pipe cutter Remove burrs completely Remaining burrs may cause gas leakage 2 Insert a flare nut into the p
31. water leakage electrical shock and fire may occur Be sure to install the unit in a place which can sufficiently bear its weight If the load bearing of the unit is not enough or installation of the unit is improper the unit may fall and result in injury Electrical work must be performed by a qualified electrical engineer in accordance with the code governing such installation work internal wiring regulations and the manual A dedicated circuit and the rated voltage must be used Insufficient power supply or improper installation may cause electrical shock or fire Use a cabtyre cable to connect wires in the indoor outdoor units Midway connection stranded wire and single wire connections are not allowed Improper connection or fixing may cause a fire Wiring between the indoor unit and outdoor units must be well shaped so that the cover can be firmly placed Improper cover installation may cause increased heat fire or electrical shock at the terminal area Be sure to use only approved accessories or the specified parts Failure to do so may cause the unit to fall water leakage fire or electrical shock After the installation work ensure that there is no leakage of refrigerant gas If the refrigerant gas leaks out of the pipe into the room and is heated by fire or something else from a fan heater stove or gas range it causes generation of poisonous gas Make sure the equipment is properly earthed Do not connect t
32. y System interconnection wires to the terminal block m Heat insulation process abr Apply heat insulation for the pipes separately at liquid side gas side E 10 Power supply wire Forthe heat insulation to the pipes at gas side use the 1 material with heat resisting temperature 120 or higher To use the attached heat insulation pipe apply the Earth wire Connecting cable heat insulation to the pipe connecting section of the indoor unit securely without gap EN 29 EN 30 Installation Manual Optional wired remote controller wiring 9 Others Strip off approx 9 mm the wire to be connected Wiring diagram WB External static pressure settings To separate using of remote control for each indoor unit in case of 2 air conditioners are installed near Change the external static pressure setting with the DIP EB Remote controller wire Switch on the indoor unit P C board Remote Control B Setup Terminal block Locally procured a 1 Press TEMPORARY button on the signal receiving Terminal block for optional remote e SES prs Wired remote controller Option ri o unit to turn the air conditioner ON
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