Installation Manual
Contents
1. A Screw Connecting cable E unit Connecting cable D unit 8 GROUNDING This air conditioner must be grounded without fail Grounding is necessary not only to safeguard against the possibility of receiving an electric shock but also to absorb both static which is generated by high frequencies and held in the surface of the outdoor unit and noise since the air conditioner incorporates a frequency conversion device called an inverter in the outdoor unit If the air conditioner is not grounded users may receive an electric shock if they touch the surface of the outdoor unit and that unit is charged with static Outdoor Unit Installation Manual 9 TEST OPERATION E Wiring Piping Check CAUTION AX Electric current is applied on the control board Beware of electric shock Detach the front panel of the outdoor unit Do not remove the air discharge grille Turn on the circuit breaker to supply electricity Start running all the indoor units connected to the outside unit in the cooling mode You need not specify the temperature setting of the indoor units e You cannot check wiring piping when the external temperature is 5 C or less 4 Turn on the SW802 No 4 switch on the P C board MCC 5071 The wiring piping check starts automatically While checking each LED flashes consecutively to indicate that the checking each indoor unit is in progress Wh2. LED D800 D801 D802 D803 D804 D805 Normal operation x e o e e e While holding a button 0 to 10 seconds a x z 8 While holding a button 10 to 60 seconds z z x 2 Release a button xa x 6 Close the valve stem of the service valve at the liquid end 7 Make sure that the compound pressure gauge reading is 101kPa 76cmHg 8 Close the valve stem of the service valve at the gas end 9 Stop running all the indoor units Outdoor Unit Installation Manual 7 ELECTRICAL WORK WARNING Be sure to comply with local regulations codes when running the wire from the outdoor unit to the indoor unit Size of wire and wiring method etc A lack of electrical capacitance or incorrect wiring may cause an electric shock or a fire To make sure that the wiring connection are secure use designated cables Fix the cables securely so that no external force applied to the cables may effect the terminals If wiring connections are incomplete or cables are not fixed securely it may cause a fire Be sure to ground the outdoor unit Incomplete grounding may lead to an electric shock CAUTION Use a circuit breaker of a type that is not tripped by shock waves Incorrect incomplete wiring will cause electrical fires or smoke Prepare the power source for exclusive use with the air conditioner This product can be connected to the main powe
3. Ifyou charge the refrigerant in a gas state the air conditioner will not operate properly since the refrigerant undergoes a change in its composition Precautions for Adding Refrigerant Use a scale with a precision of at least 10 g per index line when adding the refrigerant Do not use bathroom scales or similar instruments e Use liquid refrigerant when refilling Since the refrigerant is in liquid form it can fill up quickly Therefore add the refrigerant gradually A CAUTION This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Chemical Name of Gas R410A Global Warming Potential GWP of gas 1975 Stick the enclose refrigerant label adjacent to the charging and or recovering location 2 Clearly write the charge refrigerant quantity on the refrigerant label using indelible ink 3 Prevent emission of the contained fluorinated greenhouse gas Ensure that the fluorinated greenhouse gas is never vented into the atmosphere during installation service or disposal If any leakage of the contained fluorinated greenhouse gas is detected the leak must be stopped and repaired as soon as possible 4 Only qualified service personnel are allowed to access and service this product 5 Any handling of the fluorinated greenhouse gas in the product such as when moving the product or recharging the gas must comply with EC Regulation No 842 2006 on certain fluorinated greenhouse
4. Trouble in units A and E Trouble in units B and C Trouble in units B and D Trouble in units B and E Trouble in units C and D Trouble in units C and E Trouble in units D and E Trouble in units A B and C Trouble in units A B and D Trouble in units A B and E Trouble in units A C and D Trouble in units A C and E Trouble in units A D and E Trouble in units B C and D Trouble in units B C and E Trouble in units B D and E Trouble in units C D and E Trouble in units A B C and D Trouble in units A B C and E Trouble in units A B D and E Trouble in units A C D and E Trouble in units B C D and E Trouble in all units Service valve stays closed Check results SPC AIA A S S S S xX Alix A Ai nli es e e e ej e e xixnixixj e e e e e e x KSA A AISA AAS ese ee xjjixjele ee xii eje e xje e ex e xjajejajyajyxje aje xj xje x eli xjeje xx eje xx eje e xe e xjajyajeyajajaje ja xj ej je x e xj ej je ej e eje xx eje e xyajyajajemjajgjej jie xje e x xje xzje e x jej e e xj e eje e jojejelojejejojejejeojojejojejeljeojejelojejelejejelojejelejeje a a n a a E Gas Leak Inspection Refer to the Gas Leak Inspection on page 6 E Test Operation 1 If you perform the test operation in summer start running in the cooling mode first to decrease the temperature of the room then run in the heat
5. the normal fan operation using a duct or a wind shield e Especially in windy areas install the unit in such a way as to prevent the admission of wind When the outdoor unit is to be mounted high on a wall take particular care to ensure that parts do not fall and that the installer is protected Anchor bolts When doing installation work at ground level it is usual to make wiring and pipe connections to the indoor units first and then to make connections to the outdoor units However if outdoor work is difficult you can change the procedure Fixing the Outdoor Unit For example by making adjustments to the wiring and piping lengths on the inside rather than the outside Snow protection plate Snow protection hood At least 500 mm Snow accumulation line AN Holding frame Fix the outdoor unit using attachment bolts i Use 8mm or 10mm anchor bolts and nuts Necessary Space for Installation Do not allow the attachment bolts to protrude by more than 15mm If you need to install the outdoor unit in a location where there are some Install the outdoor unit at ground level o obstructions or a wall secure sufficient space as shown in the figure below Attach the vibration proof rubber pads under the fixing legs The cooling heating effect may be reduced by 10 Drain hole 15 mm or less Drain hole Upper side view Unit mm 150 A 600 150 or more 200 or more h
6. IN THE REFRIGERATING CYCLE AND THIS CAN CAUSE AN INJURY DUE TO A PIPE RUPTURE Outdoor Unit Installation Manual LEENE Gm 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 R410A has 1 6 times more pressure than that of conventional refrigerant R22 Use the specified pipe parts and ensure correct installation otherwise damage and or injury may be caused At the same time 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 fir
7. connect the largest one first A then connect the rest in the order B to E Do not remove the flare nuts for any ports you are not going to use for connection Do not leave the flare nut unattached for a long period of time Use a different diameter joint if the diameters of the connection port and connection piping are different e Mount the different diameter joint on the connection port of the outdoor unit Compound pressure gauge Pressure gauge 101 kPa 76 cmHg Handle Low Manifold valve Handle Hi Keep full closed Charge hose For R410A only Charge hose For R410A only Vacuum pump adapter for counter flow prevention For R410A only Service valve a Service port the liquid side Valve core Setting pin Service valve at the gas side Vacuum pump Outdoor Unit Installation Manual E Charging Refrigerant You need not add refrigerant if the piping length is 40m or less Ifthe length exceeds 41m add 20g of refrigerant per 1 meter over Procedure to Charge Refrigerant After extraction is complete close the valves then charge the refrigerant Make sure that no operations are in progress while charging the refrigerant If you cannot charge the refrigerant fully add it from the service port of the service valve at the gas end while cooling operation is in progress nore Charge the refrigerant in a liquid state
8. 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 in burst or injury The following must be certainly done during pump down Do not incorporate air into the refrigeration cycle Close the 2 service valves Stop the compressor and remove the refrigerant pipe If the refrigerant pipe is removed when the compressor is operating and service valves are opened the refrigerant cycle will inhale unwanted matter such as air and the pressure in the cycle becomes abnormally elevated It may cause a 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 If you detect any damage do not install the unit Contact your supplying dealer immediately Never modify this unit by removing any of the safety guards or bypassing any of the safety interlock switches A CAUTION Please read this installation manual carefully before installing the unit It contains further important instructions for proper installation 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 After unpacking the unit examine it carefully for possible damage Do n
9. the customer to keep the operation manual along with the installation manual REQUIREMENT OF REPORT TO THE LOCAL POWER SUPPLIER Please make absolutely sure that the installation of this appliance is reported to the local power supplier before installation If you experience any problems or if the installation is not accepted by the supplier the service agency will take adequate countermeasures 2 INSTALLATION SERVICE TOOLS Changes in the product and components In air conditioners using R410A in order to prevent any other refrigerant from being accidentally charged the service port diameter size of the outdoor unit service valve has been changed 1 2 UNF 20 threads per inch e In order to increase the pressure resisting strength of the refrigerant piping flare processing diameter and opposing flare nuts sizes have been changed for copper pipes with nominal dimensions 1 2 and 5 8 Gauge manifold for R410A Phillips screwdriver Pipe cutter Flare tool for R410A Charge hose for R410A Level Torque wrench 4mm hexagonal wrench Vacuum pump for R410A Scale Wrench or spanner Gas leakage detector for R410A Utility knife Reamer Outdoor Unit Installation Manual 3 SPECIFICATIONS Cooling operation 10 to 43 C Operating conditions 1 Dry operation 10 to 43 C Heating operation 10 to 22 C Height 890mm Dimension Width 900mm Depth 320mm Net weight 75kg Refrigerant R410A 2 99kg Pow
10. O7 10 13 16 22 24 10 13 16 10 13 16 10 13 18 Indoor unit specification w u foto ISIS IS lu lulu lo lo do bo bo lo Pe Pe Ia a a a a T T T T Q Q J Q Q Q Q q q gt gt gt T J q elelelel S IS ISIS lZlelelelelelalalal2e 2 2iz lz lz L L IL EJE E E lS S Sleal al elsaolsol ol olsl e Z 53 3 5 Modelname 8 S5 S 2 2 S es s5 eie e Hlalese e si s sjle e es SIJSEIJSEISISISISISIFZ F FI FIFL F 2Z 2 2 ls jessie jerre RENENENENENEN ENEN NEEN NE NENESENENENENEN ENE SISI REENER elelelel elea 23 23 elele Outdoor unit for RAS combination 5M34UAV E1 O 1oO O o o o o o oy o o Toy o oy o o oy o oy yo o oyjyo Indoor unit class Standard connecting pipe diameter ara All combinations that do not exceed the Total number can E 07 or 10 or 13 6 35 9 52mm be installed D 07 or 10 or 13 6 35 9 52mm more than 2 indoor units must be connected to an outdoor C 07 or 10 or 13 or 16 6 35 9 52mm nen 2 iador units are ee to an ooa anit nota 7 z at some combinations of indoor units are not compatible B 07 or 10 or 13 or 16 or 18 or 22 or 24 6 35 12 7mm For the further details refer to the catalogue 23 3 3 Only DFS1 07k 10k 13k can be connected at 5 rooms A 07 or 10 or 13 or 16 or 18 or 22 or 24 6 35 12 7mm operating including DES2 22k 24k Total 68 4 OPTIONAL PARTS ACCESSORIES Optional parts Parts name Specifications Q ty Indoor a Liquid sie Gas side O D 4 Refrigerant piping covered with insulating
11. ORE 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 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 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 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
12. TOSHIBA Leading Innovation gt gt gt AIR CONDITIONER MULTI SPLIT TYPE HFC Installation Manual Outdoor Unit Model name RAS 5M34UAV E1 Installation Manual Outdoor Unit Outdoor Unit Installation Manual Dee Gm Contents 1 PRECAUTIONS FOR SAFETY aoe eneen eneen venen en 1 2 _INSTALLATION SERVICE TOOLS aanne eneen nennen eneen ene 2 3 SPECIFICATIONS aaneen venen ennen ennen eeen eeen 3 4 OPTIONAL PARTS ACCESSORIES aaan eenen een eneen ennen ene 3 5 INSTALLATION OF OUTDOOR UNIT aaan eneen eneen ennen een 4 6 REFRIGERANT PIPING aaa oenen eneen eenen vennen eeen enn 5 7 ELECTRICAL WORK aaneen eneen eneen eenen enen enn 7 8 GROUNDING 40ste om enmeemenn ersten cade aken De gene bed ank ien bee ee 7 9 TEST OPERATION aaneen eenen ennen eneen eenen enen eneen 8 Please read this Installation Manual carefully before installing the Air Conditioner This Manual describes the installation method of the outdoor unit For installation of the indoor unit refer to the Installation Manual attached to the indoor unit IMPORTANT NOTICE For details on how to install the indoor units refer to the installation manual accompanying the indoor units 1 PRECAUTIONS FOR SAFETY Be sure to read this installation manual carefully before installing The supplied CD ROM contains the installation manual translated into many languages Recommend to the owner to perform maintenance
13. Warp E Air Purge From the sake of environmental protection use a vacuum pump to extract the air during installation Prepare a 4mm hexagon wrench 1 Connect a charge hose e Make sure that the Handle Hi of the gauge manifold valve is closed fully Connect the port of the gauge manifold valve and the service port Valve core Setting Pin using the charge hose nore If a control valve or charge valve is attached to the charge hose leak of R410A refrigerant can be avoided 2 Open the Handle Low of the gauge manifold valve fully then operate the vacuum pump Loosen the flare nut of the at the gas end a little to make sure that air is taken in then tighten the nut If you find air is not taken in make sure that the charge hose is connected to the port s securely Perform extraction for about 40 minutes and make sure that the compound pressure gauge reading is 101kPa 76cmHg If the compound pressure gauge reading is not 101kPa 76cmHg there is a possibility air is being taken in from the port s e Make sure that the charge hose is connected to the port s securely 3 Close the Handle Low of the gauge manifold valve fully then stop operating the vacuum pump Leave the gauge and pump as they are for 1 or 2 minutes then make sure that the compound pressure gauge reading stays at 101kPa 76cmHg e You need not add refrigerant if the piping length is 40m or less If the l
14. allation in the following places may result in trouble amp Water proofing rubber cap A place with a lot of machine oil Drain nipple A place with saline rich atmosphere such as a coastal area A place with high level of sulfide gas Installation in Regions with Snowfall and Cold Temperatures A place where high frequency waves are likely to be generated such as Do not use waterproof rubber caps or a drain nipple from audio equipment welders or medical equipment Ifyou need to install the outdoor unit in a location where there is a possibility Do not install the unit in such places of the drain freezing pay close attention so that the drain does not become i i frozen m Precautions for Installation To protect the outdoor unit from snow install the outdoor unit on a holding When the outdoor unit is to be installed in an elevated position be sure to frame and attach a snow protection hood and plate secure its feet Keep the outdoor unit at least 500mm above the snow accumulation line Ifthe outdoor unit is to be mounted on a wall make sure the base plate supporting it is sturdy enough The base plate should be designed and manufactured to maintain its strength over a long d of time and sufficient consideration should be given to ensure that the outdoor unit will not fall When the outdoor unit is installed in a place that is always exposed to lt a strong wind such as a coastal area or on a high story of a building secure
15. e 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 the 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 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
16. eir safety Children should be supervised to ensure that they do not play with the appliance Z CAUTION New refrigerant air conditioner installation THIS AIR CONDITIONER USES THE NEW HFC 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 existing piping as its pressure withstand may be insufficient and may contain impurities ZA DANGER FOR USE BY QUALIFIED PERSONS ONLY MEANS FOR DISCONNECTION FROM THE SUPPLY HAVING A CONTACT SEPARATION OF AT LEAST 3 mm IN ALL POLES MUST BE INCORPORATED IN THE FIXED WIRING TURN OFF MAIN POWER SUPPLY BEF
17. en checking is complete the check result is displayed on the LED panel See the table below for details wn 4 1 _ Ifno problems are detected The checking operation returns to the normal operation automatically The compressor stops temporarily then it restarts The D801 LED flashes while the compressor is stopped 4 2 If incorrect wiring piping is detected The checking operation stops Check the status of the LED to confirm the details of the problem Turn off the circuit breaker then check wiring piping again 5 Turn off the SW802 No 4 switch on the P C board MCC 5071 The checking operation changes to the normal operation LED SW802 lt Normal gt ON 7 WU 12 3 4 lt Check gt x LED ON LED OFF LED Flash LED D800 D801 D802 D803 D804 D805 Description Elon x e e e o Normal operation no error e e e Checking A unit e e e Checking B unit During e e e Checking C unit e e e Checking D unit e e e e Checking E unit x LED ON e LED OFF LED Flash LED D800 D801 D802 D803 D804 D805 Description Normal operation no error Trouble in unit A Bog e e e e e Trouble in uni Trouble in uni Trouble in uni B C D E Trouble in uni Trouble in units A and B Trouble in units A and C Trouble in units A and D
18. ength exceeds 41m add 20g of refrigerant per 1meter over 4 Disconnect the charge hose from the service port then open the valve stem fully using a 4mm hexagon wrench Hexagon wrench is required Service port cap pet Valve stem cap B Z Hi 5 Tighten the service valve stem cap and service port cap securely Die CAUTION Pipe A B Flare Nut Use a torque wrench and tighten the nut at the specified torque value Rigid Imperial Outside f clutch wing nut Width B diameter Thickness type type across Tighten torque 6 Tighten all the caps on the valves securely then perform a gas leak R410A R410A flat inspection tool tool mm mm mm mm mm mm o Service valve Valve stem cap me Ne E port cap 1 5 to 14 to 1 4to 6 35 0 8 0 to 0 5 20 9 1 17 18 18 mm Nem kghm Nem kgfm 1 5 to 33 to 3 3to Liquid side 9 52 0 8 0 to 0 5 20 13 2 22 42 42 19 52 33 to 42 3 3 to 4 2 2 0 to 50 to 5 0 to Gas side 12 7 0 8 0 to 0 5 25 16 6 26 62 6 2 12 7 33 to 42 3 3 to 4 2 14 to 18 1 4 to 1 8 Pipe connection 1 Make wire and pipe connections for each indoor unit separately 2 Align the centres of the connecting pipes and tighten the flare nut as much as possible with your fingers then tighten the nut using a torque wrench Be sure to tighten the nut at the specified torque value If you use one outdoor unit for several indoor units of a different class
19. er supply 1ph 50Hz 220 240V 1ph 60Hz 220V Maximum running current 19 5A Installation fuse rating 20 A breaker or fuse all types can be used Power cord HO7RN F or 60245IEC66 3 core 2 5mm Connecting cable HO7RN F or 60245IEC66 4 core 1 0mm or more Pipe length Minimum for 1 unit 3m Maximum for 1unit 25m Maximum for total unit 2 80m Height difference 15m No additional refrigerant charge 40m Refrigerant adjustment 20g m 41m 80m The specifications for performance of this air conditioner differs depending on the combination of the indoor units which are operated The information in this specifications table applies for the combinations with the catalogue For operation read the owner s manual packed with the indoor unit Equipment complying with IEC 61000 3 12 4 2 Table of models that can be connected If the air conditioner is used in conditions other than the above the safety protection functions may be activated If any 4 way cassette type is connected the maximum for total unit pipe length is 40m O Can be connected Type High Wall Slim Duct Poes a Console Air purifying unit yes no Nick name DAISEIKAI 5 DFS 1 DFS 2 class i abbreviation 10 13 16 18 10 13 16 18
20. gases and any relevant local legislation 6 Contact dealers installers etc for any questions Refrigerant Label Contains fluorinated greenhouse gases covered by the Kyoto Protocol Pre charged Refrigerant at Factory kg specified in the nameplate Additional Charge on Installation Site ka Caution Write out charge amount D and 2 by indelible means on installation site R410A D kg g Pre charged Refrigerant at Factory kg specified in the nameplate Additional Charge on Installation Site kg p IUa DG44206101 Periodical inspections for refrigerant leaks may be required depending on European or local legislation E insulation of the Refrigerant Pipes Insulate the refrigerant pipes for liquid and gas separately Underground piping 10t Laying the pipes on the wall ceiling or under the floor Heat proof bubble polyethylene E Gas Leak Inspection Perform a gas leak inspection for the flare nut connections valve stem connection and service port cap without fail Use a leak detector exclusively manufactured for R410A Flare nut connections Indoor unit Service port cap connection Valve stem cap Flare nut connections Outdoor unit E Performing Additional Installation of an Indoor Unit 1 Collect refrigerant from the outdoor unit 2 Turn off the circuit breaker 3 Perform add
21. ibit Ia U Drain nipple mounting hole gt mr t 150 or more 300 or more GooD BAD a a Absorb vibration Do not support 5 n 5 with vibration proof If only the end the outdoor unit g E rubber pads of the only with the LLM 5 mounting leg mounting leg Ty 5 is supported e U 5 it ma 2 Mounting leg l y 8 D deform U 5 ov Foundation ZITTTTTTTT Ss Se Z rae i Bottom plate of Foundation Side view Unit mm outdoor unit 150 or 1000 or more Foundation 500 or more Support the bottom surface of the mounting leg that is in contact with and underneath the bottom plate of the outdoor unit Outdoor Unit Installation Manual 6 REFRIGERANT PIPING CAUTION Install in rooms that are 13 m or larger If a leak of refrigerant gas occurs inside the room an oxygen deficiency may occur E Detaching the Front Panel Remove the 5 screws Pull out the front panel according to the direction of the arrows on the illustration below E Refrigerant Piping Connection Flaring 1 Cut the pipe with a pipe cutter O Xn X 90 Obliquity d g 2 Remove the burr inside of the pipe When removing the burr be careful so that chips do not fall into the pipe 3 Remove the flare nuts attached to the outdoor indoor unit then insert them into each of the pipes 4 Flare the pipes See the following table for the projection margin A and flaring size B Roughness 2
22. ing mode Heating mode Set the temperature to 30 C If you perform the test operation in winter start running in the heating mode first to increase the temperature of the room then run in the cooling mode Cooling mode Set the temperature to 17 C 2 For the test operation be sure to satisfy the following conditions below Perform the test operation for each indoor unit respectively Perform the test operation for about 10 minutes in both the cooling mode and the heating mode e You can perform the test operation in the cooling heating mode by utilizing the thermo sensor of the indoor unit Cooling mode Warm the thermo sensor using an appliance such as a hair dryer Heating mode Put a cold towel on the thermo sensor E Instructions for the Customers Explain to the customers the proper operation procedure and let them operate the air conditioner along with the supplied instruction manual When multiple indoor units are connected to the outdoor unit the cooling mode and the heating mode are not available at the same time When multiple indoor units are running at the same time the operation mode of the unit which starts running first is applied to the other units When you start running the indoor unit or change the operation mode the unit starts running after 3 minutes This is due to the protection function of the unit not a malfunction When the external temperature becomes low the pre heating of the comp
23. itional installation referring to the procedure from Refrigerant Piping Connection on the previous page E Pump down Operation Recovering refrigerant CAUTION Since the forcible running for collecting refrigerant stops automatically after 10 minutes finish collecting refrigerant within 10 minutes AX Electric current is applied on the control board Beware of electric shock The following must be certainly done during pump down Do not incorporate air into the refrigeration cycle Close the 2 service valves Stop the compressor and remove the refrigerant pipe If the refrigerant pipe is removed when the compressor is operating and service valves are opened the refrigerant cycle will inhale unwanted matter such as air and the pressure in the cycle becomes abnormally elevated It may cause a burst or injury 1 Detach the front panel Do not remove the air discharge grille 2 Connect the charge hose to the service port 3 Turn on the power 4 Start running all the indoor units connected to the outside unit in the cooling mode 5 Press the SW800 button on the P C board MCC 5071 for 10 to 60 seconds to start the indoor unit s in the cooling mode forcibly When the status of each LED changes to that shown on the While holding a button 10 to 60 seconds row on the table below release the button The status of each LED on the P C board MCC 5071 changes LED x LED ON LED OFF LED Flash
24. material Polyethylene Refrigerant piping 4 abbreviation 0 D 1ea form 6mm thick When duct type or cassette type unit is to be g piping 07 10 13 6 35mm 9 52mm installed it shall be covered with thicker insulating material 16 18 22 24 6 35mm 12 7mm Polyethylene form 10mm thick Putty PVC tapes 1 ea Accessories CD ROM Installation Rubber cap f in ni manual 1 C Water proof 5 lied 1 o F GAS label 1 Drain nipple 1 S Outdoor Unit Installation Manual Den Gm 5 INSTALLATION OF OUTDOOR UNIT Draining Off the Water from the Outdoor Unit Install 5 waterproof rubber caps and the drain nipple to drain off the water from the outdoor unit E Installation Location _A place which can bear the weight of the outdoor unit and does not cause Seal the knock out holes and screw thread areas tightly using a silicon an increase in noise level and vibration adhesive or a caulking compound A place where the operation noise and air discharge do not disturb Use a drain pan to apply a centralized drain neighbours A place which is not exposed to strong wind Aplace free of combustible gas am A place which does not block a passageway d a NN A place where the drain water does not cause any problems i E i A place where there are no obstructions near its air intake or air outlet H ri 7 Inst
25. ot 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 neighbours This appliance must be connected to the main power supply by means of a circuit breaker depending on the place where the unit is installed Failure to do so may cause electrical shock 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 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 aluminium 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 and maintain the unit to the customer in accordance with the manual Ask
26. periodically when using over long periods of time Be sure to follow the precautions provided here to avoid safety risks The symbols and their meanings are shown below A DANGER It indicates that incorrect use of this unit can result in a high possibility of severe injury 1 or death A WARNING It indicates that incorrect use of this unit may cause severe injury or death A CAUTION It indicates that incorrect use of this unit may cause personal injury 2 or property damage 3 1 A severe injury refers to blindness injury burns hot or cold electrical shock bone fracture or poisoning that leaves after effects and requires hospitalization or extended out patient treatment 2 Personal injury means a slight accident burn or electrical shock which does not require admission or repeated hospital treatment 3 Property damage means greater damage which affects assets or resources For general public use Power supply cord of parts of appliance for outdoor use shall be at least polychloroprene sheathed flexible cord design HO7RN F or cord designation 60245 IEC66 2 5 mm or more Shall be installed in accordance with national wiring regulations This appliance is not intended for use by person including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for th
27. r Fixed wire connections A switch that disconnects all poles and has a contact separation of at least 3 mm must be incorporated into the fixed wiring E Wire Connection Input power Leakage breaker wn o A The dash lines show on site wiring Indoor outdoor connecting wires Or 70 OO 70 Or 7 Indoor unit Main circuit Remote controller Earth Connect the indoor outdoor connecting cables to the identical terminal numbers on the terminal block of each unit Incorrect connection may cause a failure Detach the front panel from the outdoor unit Remove the cord clamp Connect the wires for the power source and each indoor unit Connect the connecting cable to the terminal as identified by the matching numbers on the terminal block of the indoor and the outdoor unit Fix the wiring connections for the power source and each indoor unit securely using a cord clamp Attach the front panel to the outdoor unit Stripping Length of connecting cable for outdoor unit D 2 3 l l y i l l 10 Y 10 40 fe t 30 Earth line Connecting cable L Dio 101 1 4 4 EN 40 30 Power cord Earth line Connecting cable A unit Connecting cable C unit Terminal block Connecting cable a e Screw
28. ressor starts to protect it Keep the circuit breaker on for use The electricity consumption during pre heating is about 100W If the circuit breaker is turned off the indoor unit may not start running for about 11 minutes Electronic expansion valves are used for the outdoor unit When you turn on the power the outdoor unit starts clattering every 1 or 2 months This clattering is not a malfunction but occurs when the unit is returning to the default setting for optimised control While an indoor unit is running in the heating mode the outdoor unit supplies refrigerant to the other indoor units which are not running Therefore noise may come from the other indoor units or the exterior of them may become warm TOSHIBA CARRIER CORPORATION EG44206701
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