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Installation Manual

1. t 235 105 P 575 Unit external dimension 162 uil LL lt lt For branch duct knockout square hole 150 Bottom face of ceiling Electrical control box 320 5 575 Unit external dimension 2 o E o E 2 Check port lt 2450 8 e 8 ire o I Y 200 Sega Check port 0450 Check port 0450 amp 268 27 220 5 Drain discharge port 145 5 Bottom face Hanging bolt 134 of ceiling M10 or W3 8 63 Celli local arrange eiling 9 ZA panel I a Is s S 5 T 5 010162 BHE HE gt 13 E ol 9 a amp 8 Y xS 28 BIN Y Y Y 2 Y n T Refrigerant pipe MID n Liquid 26 4 poi COfnecte gt lt port For branch duct 93 knockout square 1 39 5 hole 150 lt Refrigerant pipe Gas 1905 AP015 AP018 type 12 7 AP007 to AP012 type 29 5 SMMS Compact 4 way Cassette B Opening a ceiling and installation of hanging bolts 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 open the ceiling and install hanging bolts The dimensions of the ceiling op
2. 2 Soft socket Socket for VP25 To be local procure 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 Align the attached hose band to the end of hose set the tightening position upward and then tighten it VP25 vinyl chloride Flexible hose pipe To be local Accessory procure Socket for VP25 vinyl chloride pipe To be local procure Drain pipe connecting port Transparent Indoor unit Bi Connecting drain pipe Connect a hard socket procured locally to the hard socket of the attached supplied flexible hose Connect a drain pipe procured locally 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 Installation Manual n B Drain up When a down gradient cannot be secured for the drainpipe drain up piping is possible The height of the drain pipe must be 850 mm or less from the bottom of the ceiling Take the drain pipe out of the drain pipe joint with the indoor unit in 300 m
3. E RR Ra xe RR P TT 23 1 SMMS Compact 4 way Cassette Installation Manual 1 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 After completing the installation work hand over this Installation Manual as well as the Owner s Manual provided with the outdoor unit to the user and ask the user to keep them in a safe place for future reference Generic Denomination Air Conditioner Definition of Qualified Installer or Qualified Service Person The air conditioner must be installed maintained repaired and removed by a qualified installer or qualified service person When any of these jobs is to be done ask a qualified installer or qualified service person to do them for you A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the table below Agent Qualifications and knowledge which the agent must have The qualified installer is a person who installs maintains relocates and removes the air conditioners made by Toshiba Carrier Corporation He or she has been trained to install maintain relocate and remove the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals
4. Place where any of high frequency appliances including inverter devices private power generators medical equipment and communication equipment and inverter type fluorescent light is installed A malfunction of the air conditioner abnormal control or problems due to noise to such appliances equipment may occur When the wireless remote control is used in a room equipped with an inverter type fluorescent light or at a place exposed to direct sunlight signals from the remote control may not be received correctly Place where organic solvent is used Place near a door or window exposed to humid outside air Dew drop may form Place where special spray is used frequently SMMS Compact 4 way Cassette Installation Manual E Installation space Ensure there is sufficient space to install the unit and to perform maintenance work as and when required Keep 15 mm or more for clearance between top plate of the indoor unit and the ceiling surface unit mm o o o o E E 5 1000 5 1000 x ee 1 14 o DE O DE NE NE 5 oe SE sl Obstacle Bi Selection of installation place Continual operation of the indoor unit under high humidity conditions as described below dew may condense and water may drop Especially high humidity atmosphere dew point temperature 23 C or more may g
5. Safety working clothing Gloves to provide protection for electricians and from heat Insulating shoes Electrical related k Clothing to provide protection from electric shock wori Work done at heights 50 cm or more Helmets for use in industry Transportation of heavy objects Shoes with additional protective toe cap Repair of outdoor unit Gloves to provide protection for electricians and from heat SMMS Compact 4 way Cassette Installation Manual B Warning indications on the air conditioner unit Warning indication Description ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing Moving parts Do not operate unit with grille removed Stop the unit before the servicing WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing CAUTION High temperature parts You might get burned when removing this panel CAUTION High temperature parts You might get burned when removing this panel CAUTION Do not touch the aluminum fins of the unit Doing so may result in injury CAUTION Do not touch the aluminium fins of the unit Doing so may result in injury CAUTION BURST HAZARD Open the service valves before the operation otherwise there might be the burst
6. Insert a washer on both sides of the T groove of the hanging bracket of the indoor unit and hang the using a level gauge levelness 5 mm or less Detach the installation gauge accessory from the installation pattern Using the installation gauge check and adjust the positional relation between the indoor unit and the Installation Manual Level gauge levelness 5 mm or less Indoor unit N Hanging bolt E N p E ES Hanging g at bracket SL E 1 10 42 mm ZZZ Ceiling board Installation gauge indoor unit lt Check that the four sides of the indoor unit are level Indoor unit 2 23 28 mm 1 10 42 mm Installation gauge ceiling opening 1 10 42 mm 4 sides and the Ceiling board hanging up height 2 23 28 mm 4 corners How to use the installation gauge is printed on the N CAUTION gauge Procure hanging bolts 7 nuts locally Hanging bolt M10 Nut 0 Washer Accessory Before installation of the indoor unit remove the tape that holds the fan and bell mouth Running the unit without removing the tape may damage the fan motor Q To prevent the bolt E Installation of ceiling panel from falling off for Eccentric washer y i set Sold separately ii tie Install the ceili according to Installation Install with the marking hanging bracket as ne celling pane accor 9 o sia atio UP facing up shown in the fi
7. shown in the figure Work using double spanner REQUIREMENT Tightening with an excessive torque may crack the nut depending on installation conditions Tighten the nut within the specified tightening torque Piping with outdoor unit Shape of valve differs according to the outdoor unit For details of installation refer to the Installation Manual of the outdoor unit Installation Manual 11 E Leak check test evacuation and other procedure For leak check test evacuation addition of refrigerant and gas leak check refer to the Installation Manual attached to the outdoor unit REQUIREMENT Do not supply power to the indoor unit until the leak check test and evacuation are completed If the indoor unit is powered on the pulse motor valve is fully closed which extends the time for vacuuming Open the valve fully Open the valve of the outdoor unit fully For details refer to the Installation Manual attached to the outdoor unit Heat insulation process Apply heat insulation for the pipes separately at liquid side and gas side For the heat insulation to the pipes at gas side use the material with heat resisting temperature 120 C or higher Apply the attached heat insulation to the pipe connecting section of the indoor unit securely without gap REQUIREMENT Apply the heat insulation to the pipe connecting section of the indoor unit securely up to the root without expos
8. CAUTION BURST HAZARD Open the service valves before the operation otherwise there might be the burst 4 EN SMMS Compact 4 way Cassette Installation Manual 1 Precautions for Safety The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual N WARNING General Before starting to install the air conditioner read through the Installation Manual carefully and follow its instructions to install the air conditioner Only a qualified installer or service person is allowed to do installation work Inappropriate installation may result in water leakage electric shock or fire 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 Before opening the intake grille of the indoor unit or service panel of the outdoor unit set the circuit breaker to the OFF position Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts Only a qualified installer 1 or qualified service person 1 is allowed to remove the intake grille of the indoor unit or service panel of the outdoor unit and do the work required Before carrying out the installation maintenance repair or removal work set the circuit breaker to the OFF posit
9. 12 Indoor 13 Group 14 Central control 03 Line Indoor Group Line Indoor Group Line Indoor Group Line Indoor Group Central control address Central control address Central control address Central control address Various setup Various setup Various setup Various setup Have you changed high ceiling setup setup is automatically changed If not check mark x in NO CHANGE and check mark x in ITEM if changed respectively For check method refer to APPLICABLE CONTROLS in this manual In case of replacement of jumper blocks on indoor microcomputer P C board High ceiling setup CODE NO 5d NO CHANGE 0000 STANDARD 0001 HIGH CEILING 2 0002 HIGH CEILING 3 0003 High ceiling setup CODE NO 5d NO CHANGE 0000 STANDARD 0001 HIGH CEILING 2 0002 HIGH CEILING 3 0003 High ceiling setup CODE NO 5d NO CHANGE 0000 STANDARD 0001 HIGH CEILING 2 0002 HIGH CEILING 3 0003 High ceiling setup CODE NO 5d NO CHANGE 0000 STANDARD 0001 HIGH CEILING 2 0002 HIGH CEILING 3 0003 Have you changed lighting time of filter sign If not fill check mark x in NO CHANGE and fill check mark x in For check method refer to APPLICABLE CONTROLS in this manua
10. 20 2 Range above the Y NOTE 2 15 density limit of 0 3 kg m The standards for minimum room volume are as follows 8 10 Soe e __ 1 No partition shaded portion E 5 10 20 30 Total amount of refrigerant kg 47 EN 24 48 EN E Confirmation of indoor unit setup Prior to delivery to the customer check the address and setup of the indoor unit which has been installed in this time and fill the check sheet Table below Data of four units can be entered in this check sheet Copy this sheet according to the No of the indoor units If the installed system is a group control system use this 50 EN Installation Manual SMMS Compact 4 way Cassette 25 Installation Manual SMMS Compact 4 way Cassette sheet by entering each line system into each installation manual attached to the other indoor units REQUIREMENT This check sheet is required for maintenance after installation Fill this sheet and then pass this Installation Manual to the customers Indoor unit setup check sheet Indoor unit Indoor unit Indoor unit Indoor unit Room name Room name Room name Room name Model Model Model Model Check indoor unit address For check method refer to APPLICABLE CONT In case of a single system it is unnecessary to enter the indoor address C ROLS in this manual ODE NO Line
11. Cleaning with water or vacuum cleaner If dirt is heavy clean the air filter using tepid water with a neutral detergent or just water After cleaning with water dry the air filter sufficiently in a shaded place 32 EN SMMS Compact 4 way Cassette 5 Mount the air filter 6 Close the air intake grille n inverse process of 1 firmly attach the knob fixing bracket and fixing screw 7 Turn on the circuit breaker then push the oes button on the remote controller to start the operation 8 After cleaning push display disappears NCAUTION Do not start the air conditioner while leaving air filter removed Push the filter reset button off indication will be turn Cleaning of louver The louver can be removed to clean if necessary 1 Remove the louver Holding both ends of the louver remove it by sagging the centre downwards 2 Clean the louver with water If dirt is heavy clean the louver using tepid water with neutral detergent or just water Installation Manual wasssrwrsrs 3 Mount the louver First push in the one side and insert the opposite side by sagging the centre downwards 2 Insert in the louver sagging down the centre downward NOTE Insert the louver in the correct direction Insert the louver with the printed mark facing upwards and the arrow on the louver pointing in the outward direction SMMS Compact 4 way Cassette Y Perio
12. NO CHANGE NO SHIFT 0000 NO SHIFT 0000 NO SHIFT 0000 NO SHIFT 0000 1 0001 1 0001 1 0001 10 0001 2 C 0002 2 C 0002 2 C 0002 2 0002 3 C 0003 3 C 0003 3 C 0003 30 0003 4 0004 4 0004 4 0004 40 0004 5 C 0005 5 C 0005 5 C 0005 5 C 0005 6 C 0006 6 C 0006 6 C 0006 6 C 0006 Incorporation of parts sold Incorporation of parts sold Incorporation of parts sold Incorporation of parts sold separately separately separately separately Have you incorporated the following parts sold separately If incorporated fill check mark x in each ITEM When Mo lat the setup change is necessary in some cases For setup change method refer to Installation Manual attached to each part sold separately Others Others Others Others Others Others Others Others 49 EN SMMS Compact 4 way Cassette Installation Manual SMMS Compact 4 way Cassette Installation Manual 51 EN 26 52 EN 66 8 866 TOSHIBA CARRIER CORPORATION 336 TADEHARA FUJI SHI SHIZUOKA KEN 416 8521 JAPAN
13. code Wireless remote controller Wired remote Outdoor unit 7 segment display AI NET central Sensor block display of receiving unit Check code name Judging device controller display Auxiliary code control display Operation Timer Ready Flash Communication error between indoor unit and remote controller Detected at E01 m m m remote controller side Remote controller E02 O Remote controller transmission error Remote controller Communication error between indoor unit and remote controller Detected at E03 97 le indoor unit side Indoor unit E04 _ 04 o Soe circuit error between indoor outdoor unit Detected at indoor Indoor unit No of indoor units in which sensor has been I E06 E06 normally received 04 e le Decrease of No of indoor units VF Communication circuit error between indoor outdoor unit Detected at E07 e O outdoor unit side VE E08 E08 Duplicated indoor unit addresses 96 O Duplicated indoor unit addresses Indoor unit I F E09 99 Duplicated master remote controllers Remote controller E10 Communication error between indoor unit Indoor unit 01 Indoor Outdoor units communication E Ele 02 Outdoor Outdoor units communication 4 addressistartenor 15 15 42 o No indoor un
14. core and inner insulator of power and inter connecting wires when peeling them Use the power cord and Inter connecting wire of specified thickness type and protective devices required Do not connect 220 V 240 V power to the terminal blocks for control wiring Otherwise the system will fail Do not damage or scratch the conductive core and inner insulator of power and inter connecting wires when peeling them Perform the electric wiring so that it does not come to contact with the high temperature part of the pipe The coating may melt resulting in an accident REQUIREMENT For power supply wiring strictly conform to the Local Regulation in each country For wiring of power supply of the outdoor units follow the Installation Manual of each outdoor unit Perform the electric wiring so that it does not come to contact with the high temperature part of the pipe The coating may melt resulting in an accident After connecting wires to the terminal blocks provide a trap and fix wires with the cord clamp Run the refrigerant piping line and control wiring line in the same line Do not turn on the power of the indoor unit until vacuuming of the refrigerant pipes completes B Power supply wire and communication wires specifications Power supply wire and communication wires are procured locally For the power supply specifications follow to the table below If capacity is little it is d
15. dew condensation may be caused Mount the cover of the electrical control box ensuring the wires are not pinched Mount the cover after the ceiling panel has been wired to the electric box Screws Electrical control box P C board Cover of electrical control box Hook part Indoor Outdoor o inter unit wire L Remote controller iur terminal block Heat insulator to wiring connecting port 2 000996 e o x Power supply Adhered surface Z terminal bloc 9 Heat EDEN e insulator A e Les o m Notched section Cord clamp Heat insulator B SMMS Compact 4 way Cassette Power supply wires and earth wire Strip the wire ends Power supply wire 10 mm Earth wire 10 mm 2 Match the wire colours with the terminal numbers on the indoor units and circuit breakers terminal blocks and firmly screw the wires to the corresponding terminals 3 Secure the earth wire with the earth screw 4 Fix the wires with a cord clamp Unit mm Earth line Connecting cord NCAUTION Firmly tighten the screws of the terminal block Keep the wire length as shown in figure below when it is conn
16. installation may also cause possible risk of human injury difficult to reach the floor i Unpack package take out the product and then place it on the It is necessary to change the setup value of the high ceiling setting or discharge direction floor so that the same surface directs underneath as it is placed in OK NO GOOD 1 1 n 1 the package Y Height list of ceiling possible to be installed If the both sides are turned over a deformation of mounting metal L Unit m n si is may be Li pm h i z t ccordingly the product may be damaged and the installation I Indoor unit Capacity type AP007 to AP012 type AP015 type AP018 type Setup of high ceiling becomes impossible in some cases Discharge direction 4 Way 4 way 4 way Setup data Standard At shipment 2 7 2 9 3 2 0000 RE IREMENT High ceiling 2 _ 3 2 3 4 0002 QU High ceiling 3 35 3 5 0003 Strictly comply with the following rules to prevent damage of the indoor units and human injury Do not put a heavy article on the indoor unit Even units are packaged Carry in the indoor unit as it is packaged if possible If carrying in the indoor unit unpacked by necessity use buffering REQUIREMENT cloth or other soft cloth to not damage the unit i m A i i To move the indoor unit hold the hooking metals 4 positions only When high ceiling 2 or 3 is used with 4 way blowing a draft is easily recognized due to drop of discharge Do not apply forc
17. the indoor unit settings as required Use the wired remote controller to change the settings The settings cannot be changed using the wireless remote controller simple wired remote controller or central control system Therefore install the wired remote controller to change the settings Installation Manual B Basic procedure for changing settings Change the settings while the air conditioner is not working Stop the air conditioner before making settings ON OFF ep 6 SAVE SWINGIFDK UNT Louver TEST Push amp button and temp setup button simultaneously for 4 seconds or more After a while the display flashes as shown in the figure Confirm that the CODE No is 01 If the CODE No is not 01 push button to erase the display content and repeat the procedure from the beginning No operation of the remote controller is accepted for a while after button is pushed While air conditioners are operated under the group control ALL is displayed first When amp 5 button is pushed the indoor unit number displayed following ALL is header unit Display content varies with the indoor unit model UNIT LOUVER Each time button is pushed indoor unit numbers in the control group change cyclically Select the indoor unit to change settings for The fan of the selected unit runs and the louvers start swinging The indo
18. the power is turned on without first conducting these checks If there is any kind of trouble such as an error display has appeared smell of burning abnormal sounds the air conditioner fails to cool or heat or water is leaking has occurred in the air conditioner do not touch the air conditioner yourself but set the circuit breaker to the OFF position and contact a qualified service person Take steps to ensure that the power will not be turned on by marking out of service near the circuit breaker for instance until qualified Service person arrives Continuing to use the air conditioner in the trouble status may cause mechanical problems to escalate or result in electric shocks or other trouble After the work has finished use an insulation tester set 500 V Megger to check the resistance is 1 MO or more between the charge section and the non charge metal section Earth section If the resistance value is low a disaster Such as a leak or electric shock is caused at user s side Upon completion of the installation work check for refrigerant leaks and check the insulation resistance and water drainage Then conduct a test run to check that the air conditioner is operating properly 6 EN 7 SMMS Compact 4 way Cassette _ Installation Manual Explanations given to user Upon completion of the installation work tell the user where the circuit breaker is located If the user does not know where the circuit breaker is he or she
19. who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified installer who is allowed to do the electrical work involved in installation relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to do the refrigerant handling and piping work involved in installation relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternat
20. will not be able to turn it off in the event that trouble has occurred in the air conditioner f the fan grille is damaged do not approach the outdoor unit but set the circuit breaker to the OFF position and contact a qualified service person 1 to have the repairs done Do not set the circuit breaker to the ON position until the repairs are completed Relocation Only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner It is dangerous for the air conditioner to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result When carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air or other gas to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in rupture injury or other trouble NCAUTION 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 Therefore do
21. wiring that meets the specifications in the Installation Manual and the stipulations in the local regulations and laws Use of wiring which does not meet the specifications may give rise to electric shocks electrical leakage smoking and or a fire Connect earth wire Grounding work Incomplete grounding causes an electric shock Do not connect earth wires to gas pipes water pipes and lightning conductor or telephone earth wires After completing the repair or relocation work check that the earth wires are connected properly Install a circuit breaker that meets the specifications in the installation manual and the stipulations in the local regulations and laws Install the circuit breaker where it can be easily accessed by the agent When installing the circuit breaker outdoors install one which is designed to be used outdoors Under no circumstances the power wire must not be extended Connection trouble in the places where the wire is extended may give rise to smoking and or a fire Electrical wiring work shall be conducted according to law and regulation in the community and installation manual Failure to do so may result in electrocution or short circuit Test run Before operating the air conditioner after having completed the work check that the electrical parts box cover of the indoor unit and service panel of the outdoor unit are closed and set the circuit breaker to the ON position You may receive an electric shock if
22. 4MH E MMU AP0184MH E Commercial name Super Modular Multi System Air Conditioner Super Heat Recovery Multi System Air Conditioner Mini Super Modular Multi System Air Conditioner MiNi SMMS series Complies with the provisions of the Machinery Directive Directive 2006 42 EC and the regulations transposing into national law Complies with the provisions of the following harmonized standard EN 378 2 2008 A1 2009 NOTE This declaration becomes invalid if technical or operational modifications are introduced without the manufacturer s consent 46 EN Installation Manual SMMS Compact 4 way Cassette Installation Manual SMMS Compact 4 way Cassette Warnings on Refrigerant Leakage Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant 2 When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas opening gas leaking out its concentration will not exceed a set limit without a door or an opening 0 15 or larger than the respective floor spaces at the top or bottom of the The refrigerant R410A which is used in the air conditioner is safe without the toxicity or combustibility of ammonia door and is not restricted by laws to be imposed which protect the ozone layer However since it contains more than air it poses the risk of suffocation if its concentration should rise excessively Suffocation from leakage o
23. TOSHIBA Leading Innovation gt gt gt AIR CONDITIONER MULTI TYPE HFC Installation Manual Indoor Unit Model name Compact 4 way Cassette type MMU AP0074MH E MMU AP0094MH E MMU AP0124MH E MMU AP0154MH E MMU AP0184MH E Installation Manual ma 1 SMMS Compact 4 way Cassette Installation Manual I Original instruction Please read this Installation Manual carefully before installing the Air Conditioner This Manual describes the installation method of the indoor unit For installation of the outdoor unit follow the Installation Manual attached to the outdoor unit ADOPTION OF NEW REFRIGERANT This Air Conditioner uses R410A an environmentally friendly refrigerant Contents 1 Precautions for Safety eee eee eens 3 2 Accessony Parts iii eo e FORE aa a 4 3 Selection of Installation Place 5 4 I Stallati i u nno Rao 1er ox P EPOR Qa sipu aQ Su ach RS 6 5 Drain Pip yin isi asce a qu hiss ede a n ROS AUR ERU nac aoe ete 9 6 Refrigerant PIPING ricos Rx Er Tuy na 10 Electrical 11 8 Applicable Controls o erra ii 14 Test RUD aye ehm me ian 15 10 Maintenance i ivo Soe tai ae ee E RW eee Ren 16 11 Troubleshooting Li 18 12 Specifications eoo
24. and other objects may fall from above possibly injuring a person below While carrying out the work wear a helmet for protection from falling objects The refrigerant used by this air conditioner is the R410A The air conditioner must be transported in stable condition If any part of the product is broken contact the dealer When the air conditioner must be transported by hand carry it by two or more people Do not move or repair any unit by yourself There is high voltage inside the unit You may get electric shock when removing the cover and main unit Selection of installation location When the air conditioner is installed 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 Do not install in a location where flammable gas leaks are possible If the gas leak and accumulate around the unit it may ignite and cause a fire To transport the air conditioner wear shoes with additional protective toe caps To transport the air conditioner do not take hold of the bands around the packing carton You may injure yourself if the bands should break Install the indoor unit at least 2 5 m above the floor level 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 Do not place any combustion appliance in a place where it is directly expose
25. angerous because overheat or burnout may be caused For specifications of the power capacity of the outdoor unit and the power supply wires refer to the Installation Manual attached to the outdoor unit Indoor unit power supply For the power supply of the indoor unit prepare the exclusive power supply separated from that of the outdoor unit Arrange the power supply circuit breaker and main Switch of the indoor unit connected to the same outdoor unit so that they are commonly used Power supply wire specification Cable 3 core 2 5 mm in conformity with Design 60245 IEC 57 22 EN 25 SMMS Compact 4 way Cassette Installation Manual 13 B Wire connection REQUIREMENT Connect the wires matching the terminal numbers Incorrect connection causes a trouble Route the wire through the wire connection port of the indoor unit The low voltage circuit is provided for the control wire and remote control wire Do not connect the high voltage circuit Remove the cover of the electrical control box by removing the mounting screws 3 pcs and push the hooking section The cover of the electrical control box remains hanged to the hinge Tighten the screws on the terminal block and secure the wires with cord clamp fitted to the electrical control box Do not apply tension to the connecting section of the terminal block Using the supplied heat insulator for the sealing of the wire connecting port seal the wire conn
26. 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 Place exposed to air with high salt content seaside area or place exposed to large quantities of sulfide gas hot spring The unit should be used in these places special protective measures are needed A restaurant kitchen where a lot of oil is used or place near machines in a factory Cil adhering to the heat exchanger and resin part turbo fan in the indoor unit may reduce the performance generate mist or dew drop or deform or damage resin parts Place where organic solvent is used nearby Place close to a machine generating high frequency Place where the discharged air blows directly into the window of the neighbour house Outdoor unit Place where noise of the outdoor unit is easily transmitted When the outdoor unit is installed on the boundary with the neighbour pay due attention to the level of noise Place with poor ventilation Before air duct work check whether value of fan speed static pressure and duct resistance are correct Do not use the air conditioner for special purposes such as preserving food precision instruments or art objects or where breeding animals or growing plants are kept This may degrade the quality of preserved materials
27. d remote Outdoor unit 7 segment display AI NET central Sensor block display of receiving unit Check code name Judging device controller display Auxiliary code control display Operation Timer Ready Flash F01 OF O e ALT Indoor unit TCJ sensor error Indoor unit F02 Od ALT Indoor unit TC2 sensor error Indoor unit F03 93 ALT Indoor unit TC1 sensor error Indoor unit F04 F04 19 O ALT TD1 sensor error VF F05 F05 Al O O ALT TD2 sensor error VF 01 TE1 sensor TE1 sensor error F06 02 2 18 O TE2 sensor error s F07 F07 18 a a ALT TL sensor error VE F08 F08 1b O ALT TO sensor error VF F10 OC le eo ALT Indoor unit TA sensor error Indoor unit F12 F12 A2 O o ALT TS1 sensor error VE 01 Comp 1 side F13 F13 02 2 side 43 O ALT TH sensor error IPDU 03 Comp 3 side F15 F15 18 ALT Outdoor unit temp sensor miscabling TE TL VF F16 F16 43 O ALT Outdoor unit pressure sensor miscabling Pd Ps VF F22 F22 B2 le ALT sensor error VF F23 F23 43 ALT Ps sensor error VF F24 F24 43 a le O ALT Pd sensor error VE F29 12 O a o SIM Indoor unit other error Indoor unit F31 F31 1C SIM Indoor unit EEPROM error VF 01 Comp 1 side H01 H01 02 Comp 2 side IF a e Compressor break down IPDU 03 Comp 3 side 01 Comp 1 side H02 H02 02 Comp 2 side 1d eo O Compressor tr
28. d to the wind of air conditioner otherwise it may cause imperfect combustion Installation When the indoor unit is to be suspended the designated hanging bolts M10 or W3 8 and nuts M10 or W3 8 must be used Install the air conditioner securely in a location where the base can sustain the weight adequately If the strength is not enough the unit may fall down resulting in injury Follow the instructions in the Installation Manual to install the air conditioner Failure to follow these instructions may cause the product to fall down or topple over or give rise to noise vibration water leakage or other trouble 5 EN SMMS Compact 4 way Cassette Installation Manual Carry out the specified installation work to guard against the possibility of high winds and earthquake If the air conditioner is not installed appropriately a unit may topple over or fall down causing an accident If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire noxious gas may generate Use forklift to carry in the air conditioner units and use winch or hoist at installation of them 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 ma
29. dic Maintenance Installation Manual For environmental conservation it is strongly recommended that the indoor and outdoor units of the air conditioner in use be cleaned and maintained regularly to ensure efficient operation of the air conditioner When the air conditioner is operated for a long time periodic maintenance once a year is recommended Furthermore regularly check the outdoor unit for rust and scratches and remove them or apply rustproof treatment if necessary As a general rule when an indoor unit is operated for 8 hours or more daily clean the indoor unit and outdoor unit at least once every 3 months Ask a professional for this cleaning maintenance work Such maintenance can extend the life of the product though it involves the owner s expense Failure to clean the indoor and outdoor units regularly will result in poor performance freezing water leakage and even compressor failure Inspection before maintenance Following inspection must be carried out by a qualified installer or qualified service person Parts Inspection method Heat exchanger Access from inspection opening and remove the access panel Examine the heat exchanger if there is any clogging or damages Fan motor Access from inspection opening and check if any abnormal noise can be heard Fan Access from inspection opening and remove the access panel Examine the fan if there are any waggles da
30. e below when it is connected to the terminal block 2 or less Power supply wires and control wire Installation Manual B Wiring on the ceiling panel According to the Installation Manual of the ceiling panel connect the connector 2P Red of the ceiling panel to the connector 5P White on P C board of the electrical control box 5P connector White Wire from ceiling panel Cord Clamp m Address setup Set up the addresses as per the Installation Manual supplied with the outdoor unit 26 EN 25 SMMS Compact 4 way Cassette Installation Manual 13 B Wire connection REQUIREMENT Connect the wires matching the terminal numbers Incorrect connection causes a trouble Route the wire through the wire connection port of the indoor unit The low voltage circuit is provided for the control wire and remote control wire Do not connect the high voltage circuit Remove the cover of the electrical control box by removing the mounting screws 3 pcs and push the hooking section The cover of the electrical control box remains hanged to the hinge Tighten the screws on the terminal block and secure the wires with cord clamp fitted to the electrical control box Do not apply tension to the connecting section of the terminal block Using the supplied heat insulator for the sealing of the wire connecting port seal the wire connecting port Otherwise
31. e to the other parts drain E oi parts or resin parts temperature Carry the package by two or more persons and do not bundle it with plastic band at positions other than specified The lighting time of the filter sign notification of filter cleaning on the remote control can be changed according to installation conditions When it is difficult to obtain satisfactory heating due to location place of the indoor unit or the structure of the room the detection temperature of heating can be raised Refer to 8 Applicable Controls in this manual for the setting procedure N CAUTION Do not tear off the tape adhered to the cabinet otherwise vibration is caused from the cabinet 11 EN 12 EN 6 SMMS Compact 4 way Cassette B External view 595 to 660 Ceiling open dimension gt 1000 or more a gt l olLy ole O x olo Oje TY fT Obstacle E 1000 or more o o E o 2 Space required for gt Installation Manual F Unit mm installation and servicing 207 700 Panel external dimension Knockout for fresh air intake 100 145 5 Bottom face 93 m of ceiling A i5 7o 595 to 660 Ceiling open dimension 525 Hanging bolt pitch
32. ected to the terminal block 2 or less Power supply wires and control wire Installation Manual B Wiring on the ceiling panel According to the Installation Manual of the ceiling panel connect the connector 2P Red of the ceiling panel to the connector 5P White on P C board of the electrical control box 5P connector White Wire from ceiling panel Cord Clamp m Address setup Set up the addresses as per the Installation Manual supplied with the outdoor unit 26 EN 27 SMMS Compact 4 way Cassette 8 Applicable Controls REQUIREMENT When this air conditioner is used for the first time it takes approx 5 minutes until the remote controller becomes available after power on This is normal lt When power is turned on for the first time after installation gt It takes approx 5 to 10 minutes until the remote control becomes available Approx 5 to 10 minutes Power SETTING SETTING Remote on gt flashes gt goes out controller is available lt When power is turned on for the second or later time gt It takes approx 3 to 10 minute until the remote controller becomes available Approx 3 to 10 minutes Power SETTING SETTING Remote on H gt flashes gt goes out gt controller is available Normal settings were made as factory default Change
33. ecting port Otherwise dew condensation may be caused Mount the cover of the electrical control box ensuring the wires are not pinched Mount the cover after the ceiling panel has been wired to the electric box Screws Electrical control box P C board Cover of electrical control box Hook part Indoor Outdoor o inter unit wire L Remote controller iur terminal block Heat insulator to wiring connecting port 2 000996 e o x Power supply Adhered surface Z terminal bloc 9 Heat EDEN e insulator A e Les o m Notched section Cord clamp Heat insulator B SMMS Compact 4 way Cassette Power supply wires and earth wire Strip the wire ends Power supply wire 10 mm Earth wire 10 mm 2 Match the wire colours with the terminal numbers on the indoor units and circuit breakers terminal blocks and firmly screw the wires to the corresponding terminals 3 Secure the earth wire with the earth screw 4 Fix the wires with a cord clamp Unit mm Earth line Connecting cord NCAUTION Firmly tighten the screws of the terminal block Keep the wire length as shown in figur
34. en vibration or Fan indoor Dust dirt appearance balance is terrible Brush or wash the fan when it is contaminated Air inlet outlet grilles Indoor outdoor Dust dirt scratches Fix or replace them when they are deformed or damaged Drain pan Indoor Dust dirt clogging drain contamination Clean the drain pan and check the downward slope for smooth drainage Ornamental panel louvres Indoor Dust dirt scratches Wash them when they are contaminated or apply repair coating Exterior Outdoor Rust peeling of insulator Peeling lift of coat Apply repair coating 34 EN 31 SMMS Compact 4 way Cassette Wireless remote controller 1 Remove a small screw which fixes the nameplate of the receiver unit Remove the nameplate of the sensor section by inserting a flat blade screwdriver into the notch at the bottom of the plate and set the Dip switch to TEST RUN 2 Execute a test operation with 1 ON OFF button on the wireless remote controller b and amp LED flash during test operation Under status of TEST RUN ON the temperature adjustment from the wireless remote controller is invalid Do not use this method in the operation other than test operation because the equipment is damaged 3 Use either COOL or HEAT operation mode for a test operation The outdoor unit does not operate approx 3 minutes after power ON and
35. enerate dew inside the ceiling 1 Unit is installed inside the ceiling with slated roof 2 Unit is installed at a location using inside of the ceiling as fresh air take in path 3 Kitchen Advice Setaservice check opening panel at right side of the unit size 450 x 450 mm or more for piping maintenance and servicing If installing a unit at such place put insulating material such as glass wool additionally on all the positions of the indoor unit which come to contact with high humidity atmosphere REQUIREMENT When the humidity inside the ceiling seems to be higher than 80 attach a heat insulator to the side top surface of the indoor unit Use a heat insulator that is 10 mm or more thick 10 EN SMMS Compact 4 way Cassette m Installation Manual SMMS Compact 4 way Cassette Installation Manual m Ceiling height 4 Installation Unit m Model MMU Installable ceiling height WARNING AP007 to APO12 type Up to 2 7 The installation of the air conditioning unit must be positioned in a location that can sufficiently support its weight and AP015 to AP018 type Up to 3 5 give protection against adverse environmental conditions m z m Failure to do so may result in unit damage and possible human injury When the height of the ceiling exceeds the distance of the item Standard 4 way in below table the warm air is Any incomplete
36. ening and hanging bolt pitches are given in the outline drawing and the attached installation pattern When a ceiling already exists lay the drain pipe refrigerant pipe control wires and remote control wires to their connection locations before hanging the indoor unit Procure hanging bolts and nuts for installing the indoor unit these are not supplied M10 M10 Hanging bolt Nut 4 pieces 12 pieces Using the installation pattern accessory The installation pattern is provided inside the packaging cap For existing ceiling Use the installation pattern positioning a ceiling opening and hanging bolts For new ceiling Use the installation pattern to position the ceiling opening when a ceiling is hanged After the hanging bolts have been installed install the indoor unit Tousethe supplied pattern attach itto the indoor unit using the supplied fixing screws 5 mm x 16 mm 4 pcs Screw pattern to the ceiling panel hanging brackets of the indoor unit Before hanging a ceiling open the ceiling along the outside dimensions of the installation pattern Indoor unit Installation pattern Cut off the installation pattern Attached along slit of the main unit 5 mm x 16 mm screws Attached These screws are exclusive to the installation pattern When installing the ceiling panel the other exclusive screws attached to the ceiling panel sold separately are used Insta
37. er to the terminal blocks R L and S N If doing so the drain pump motor operates Test water drain while checking the operation sound of the drain pump motor If the operation sound changes from continuous sound to intermittent sound water is normally drained After the check the drain pump motor runs connecting the float switch connector In case of check by pulling out the float switch connector be sure to return the connector to the original position 220 240 V 50 Hz 220 V 60 Hz Y Black gt Pull out connector CN34 Red from P C board Black 19 EN Installation Manual E _ Water 1500 cc to 2000 cc B Perform heat insulating 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 to be procured locally 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 Flexible hose Hose band Attached heat Heat insulator to be insulator procured locally Hard vinyl chloride pipe Direct the slits and seams of the heat insulator upward to avoid water leakage SMMS Compact 4 way Cassette 6 Refrigerant Piping B Refrigerant piping 1 Use copper pipe wi
38. f R410A is almost non existent With the recent increase in the number of high concentration buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space Outdoor unit Refrigerant piping individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared with YY I Vy r Indoor unit conventional individual air conditioners If a single unit of the multi conditioner system is to be installed in a small Z Z Z 77 Z room select a suitable model and installation procedure so that if the refrigerant accidentally leaks out its 2 4 Z Z concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur 3 If an indoor unit is installed in each partitioned room and the refrigerant piping is interconnected the smallest room of course becomes the object But when a mechanical ventilation is installed interlocked with a gas leakage detector in the smallest room where the density limit is exceeded the volume of the next smallest room becomes the object In a room where the concentration may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detec
39. gure Manual attached with it after piping wiring work has completed Nut Check that installation of indoor unit and ceiling M10 opening part is correct and then install it 15 EN REQUIREMENT Joint the connecting sections of ceiling panel ceiling surface ceiling panel and indoor unit closely Any gap between them will cause air leakage and the generate condensation or water leakage Remove the adjust corner caps at the four corners of the ceiling panel and then install the ceiling panel onto the indoor unit SMMS Compact 4 way Cassette E Installation of remote controller Sold separately For installation of the wired remote controller follow the Installation Manual attached with the remote controller Pull out the remote controller cord together with the refrigerant pipe or drain pipe Pass the remote controller cord through upper side of the refrigerant pipe and drain pipe Do not leave the remote controller at a place exposed to the direct sunlight and near a stove B Wireless remote controller 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
40. iling position gaug To be used with the installation pattern Pattern fixing screw 4 M5 x 16L For attach the installation pattern Heat insulator 1 For heat insulation of drain connecting section Washer 8 0 For hanging unit Hose band 1 For connecting drain pipe Flexible hose 1 CUI For adjusting core out of drain pipe Heat insulator A 1 E For sealing of wire connecting port Heat insulator B 1 For sealing of wire connecting port E Separate sold parts The Ceiling panel and remote controller are sold separately For the installation of these products follow the Installation Manuals supplied with them 8 EN 9 SMMS Compact 4 way Cassette _ Installation Manual 3 Selection of Installation Place NWARNING Install the air conditioner securely in a location where the base can sustain the weight adequately If the strength is not enough the unit may fall down resulting in injury Install the air conditioner at a height 2 5 m or more from the floor If you insert your hands or others directly into the unit while the air conditioner operates it is dangerous because you may contact with revolving fan or active electricity NCAUTION Do not install in a location where flammable gas may leaks are possible If the gas leak and accumulate around the unit it may ignite and cause a fire Upon approval of the customer install the air conditioner in a place that satisfies the following
41. ion Otherwise electric shocks may result Place a Work in progress sign near the circuit breaker while the installation maintenance repair or removal work is being carried out There is a danger of electric shocks if the circuit breaker is set to ON by mistake Only a qualified installer 1 or qualified service person 1 is allowed to undertake work at heights using a stand of 50 cm or more or to remove the intake grille of the indoor unit to undertake work Wear protective gloves and safety work clothing during installation servicing and removal Do not touch the aluminium fin of the unit You may injure yourself if you do so If the fin must be touched for some reason first put on protective gloves and safety work clothing and then proceed Do not climb onto or place objects on top of the outdoor unit You may fall or the objects may fall off of the outdoor unit and result in injury When work is performed at heights use a ladder which complies with the ISO 14122 standard and follow the procedure in the ladder s instructions Also wear a helmet for use in industry as protective gear to undertake the work Before cleaning the filter or other parts of the outdoor unit set the circuit breaker to OFF without fail and place a Work in progress sign near the circuit breaker before proceeding with the work Before working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts
42. irmation 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 Error code Indoor UNIT No in which an error occurred E Confirmation of error log When an error occurred on the air conditioner the error log can be confirmed with the following procedure The error log is stored in memory up to 4 errors The log can be confirmed from both operating status and stop status SWINGIFIK TEST 1 when and buttons are pushed simultaneously for 4 seconds or more the following display appears If is displayed the mode enters in the error log mode 01 Order of error log is displayed in CODE No Error code is displayed in CHECK Indoor unit address in which an error occurred is displayed in Unit No GODE No Installation Manual ETEMP 2 Every pushing of c gt button used to set temperature the error log stored in memory is displayed in order The numbers in CODE No indicate CODE No 01 latest 04 oldest REQUIREMENT Do not push C5 button because all the error log of the indoor unit will be deleted 3 After confirmation push Z button to return to the usual di
43. it during automatic addressing VF 00 Capacity over 16 16 01 No of connected units 89 a Capacity over No of connected indoor units VF E18 97 99 Communication error between header and follower units Indoor unit Indoor unit 00 No header E19 E19 02 Two or more header units 96 e a Outdoor header units quantity error VF 01 Outdoor unit of other line connected i i 20 20 02 Indoor unit of other line connected 42 e e O Other line connected during automatic address VF 02 No header unit E21 E21 00 Multiple number of header units 42 Error in number of heat storage master units VE E22 E22 42 e eo le Reduction in number of heat storage units VF Sending error in communication between outdoor units E23 E23 15 e e Error number of heat storage units trouble with reception VF E25 E25 15 o Duplicated follower outdoor addresses VE E26 E26 Re aa units which received signal 15 O Decrease of No of connected outdoor units VF E28 E28 Detected outdoor unit number d2 e e O Follower outdoor unit error VF E31 1 Number of IPDU 1 CF IPDU communication error VE 38 EN SMMS Compact 4 way Cassette Installation Manual SMMS Compact 4 way Cassette Installation Manual Check code Wireless remote controller Wire
44. ively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work Qualified installer The qualified service person is a person who installs repairs maintains relocates and removes the air conditioners made by Toshiba Carrier Corporation He or she has been trained to install repair maintain relocate and remove the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified service person who is allowed to do the electrical work involved in installation repair relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to do the refrigerant handling and piping work involved in installation repair relocation and removal has the qualifications pertaining to this refrigerant hand
45. l ITEM if changed respectively Filter sign lighting time CODE NO 01 NO CHANGE NONE 0000 150H 0001 2500H 0002 5000H 0003 10000H 0004 Filter sign lighting time CODE NO 01 NO CHANGE NONE 0000 150H 0001 2500H 0002 5000H 0003 10000H 0004 Filter sign lighting time CODE NO 01 NO CHANGE NONE 0000 150H 0001 2500H 0002 5000H 0003 10000H 0004 Filter sign lighting time CODE NO 01 Have you changed detected temp shi ft value If not check mark x in NO CHANGE and fill check mark x in For check method refer to APPLICABLE CONTROLS in this manual NO CHANGE NONE 0000 150H 0001 2500H 0002 5000H 0003 10000H 0004 ITEM if changed respectively Detected temp shift value setup CODE NO 06 Detected temp shift value setup CODE NO 06 Detected temp shift value setup CODE NO 06 Detected temp shift value setup CODE NO 06 NO CHANGE NO CHANGE NO CHANGE
46. ling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work Qualified service person 2 EN 3 EN SMMS Compact 4 way Cassette Installation Manual 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 Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury burns electric shocks and other injuries Work undertaken Protective gear worn Protective gloves All types of work
47. llation Manual resero za 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 installed ceiling correctly in order to prevent vibration of ceiling board 1 Cut and remove the ceiling foundation 2 Reinforce the cut surface of ceiling foundation and add ceiling foundation for fixing the end of ceiling board Installation of hanging bolt Use M10 hanging bolts 4 pcs to be local procure 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 Y DI Blade type Slide type bracket bracket uum Rubber zzzzzzzjFzzzzzz Anchor bolt Pipe hanging anchor bolt Steel flame structure Use existing angles or install new support angles Hanging bolt CE lil v Hanging bolt Support angle Existing concrete slab Use a hole in anchors hole in plugs or a hole in bolts 14 EN SMMS Compact 4 way Cassette Installation of ceiling opening and hanging bolt Hanging bracket Attach a nut M10 not supplied and the 934 mm washer supplied to each hanging bolt
48. m or less and bend up the pipe vertically Immediately after the pipe is bent up vertically lay the pipe making a down gradient Set downward grading immediately after raising up vertically 627 5 mm or less Rising up Rising up 850 mm or less Indoor unit Underside of ceiling E 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 Check draining also when installed in heating period By using a pitcher or hose pour water 1500 2000 cc into the discharge port before installation of the ceiling panel Pour water gradually so that water does not spread on the motor of the drain pump NCAUTION Pour water gently so that it does not spread around inside the indoor unit which may cause a malfunction 18 EN SMMS Compact 4 way Cassette Air discharge area OY Drain pan Insert the leading part of the hose between the heat exchanger and the drain pan and then bend it downward Polyethylene hand pump for pouring water in drain pan Vessel After the electric work has finished pour water during COOL mode operation If the electric work has not yet finished pull out the float switch connector CN34 Red from the electrical control box and check draining by plugging the single phase 220 240 V pow
49. mages or adhesive dust Filter Go to installed location and check if there are any stains or breaks on the filter Drain pan water is polluted Access from inspection opening and remove the access panel Check if there is any clogging or drain Maintenance List Part Unit Check visual auditory Maintenance Heat exchanger Indoor outdoor Dust dirt clogging scratches Wash the heat exchanger when it is clogged Take appropriate measures when Fan motor Indoor outdoor Sound abnormal sound is generated Wash the filter with water when it is Filter Indoor Dust dirt breakage contaminated Replace it when it is damaged Vibration balance Replace the fan when vibration or Fan indoor Dust dirt appearance balance is terrible Brush or wash the fan when it is contaminated Air inlet outlet grilles Indoor outdoor Dust dirt scratches Fix or replace them when they are deformed or damaged Drain pan Indoor Dust dirt clogging drain contamination Clean the drain pan and check the downward slope for smooth drainage Ornamental panel louvres Indoor Dust dirt scratches Wash them when they are contaminated or apply repair coating Exterior Outdoor Rust peeling of insulator Peeling lift of coat Apply repair coating 34 EN 35 SMMS Compact 4 way Cassette 1 1 Troubleshooting m Conf
50. ning of louver The louver can be removed to clean if necessary 1 Remove the louver Holding both ends of the louver remove it by sagging the centre downwards 2 Clean the louver with water If dirt is heavy clean the louver using tepid water with neutral detergent or just water Installation Manual wasssrwrsrs 3 Mount the louver First push in the one side and insert the opposite side by sagging the centre downwards 2 Insert in the louver sagging down the centre downward NOTE Insert the louver in the correct direction Insert the louver with the printed mark facing upwards and the arrow on the louver pointing in the outward direction SMMS Compact 4 way Cassette Y Periodic Maintenance Installation Manual For environmental conservation it is strongly recommended that the indoor and outdoor units of the air conditioner in use be cleaned and maintained regularly to ensure efficient operation of the air conditioner When the air conditioner is operated for a long time periodic maintenance once a year is recommended Furthermore regularly check the outdoor unit for rust and scratches and remove them or apply rustproof treatment if necessary As a general rule when an indoor unit is operated for 8 hours or more daily clean the indoor unit and outdoor unit at least once every 3 months Ask a professional for this cleaning maintenance work Such maintenance can e
51. not let water dust former refrigerant or refrigerating oil enter the refrigerating cycle during installation work To prevent charging an incorrect refrigerant and refrigerating oil the sizes of connecting sections of charging port of the main unit and installation tools are changed from those for the conventional refrigerant Accordingly the exclusive tools are required for the new refrigerant R410A For connecting pipes use new and clean piping designed for R410A and please care so that water or dust does not enter To Disconnect the Appliance from Main Power Supply This appliance must be connected to the main power supply by means of a switch with a contact separation of at least 3 mm The installation fuse all types can be used must be used for the power supply line of this conditioner 1 Refer to the Definition of Qualified Installer or Qualified Service Person SMMS Compact 4 way Cassette Installation Manual 2 Accessory Parts Part name Usage Hand over to customers Installation Manual 1 This manual For other languages that do not appear in this Installation Manual please refer to the enclosed CD R CD ROM 1 Installation Manual Heat insulating pipe 2 ad For heat insulation of the pipe connecting section Installation pattern 1 For checking of ceiling opening and the main unit position Installation gauge 2 N For positioning of the ce
52. ode name Judging device controller display Auxiliary code control display Operation Timer Ready Flash 105 96 O SIM Duplicated indoor units with priority Displayed in indoor unit with priority VE L06 LOG No of indoor units with priority 96 a SIM units with priority Displayed in unit other than indoor unit VE 107 99 SIM Group line in individual indoor unit Indoor unit L08 L08 99 O O SIM ndoor unit group Address unset Indoor unit I F L09 46 a SIM ndoor unit capacity unset Indoor unit L10 L10 88 O Ci SIM Outdoor unit capacity unset VF Liz 46 O SIM Outdoor unit type mismatch error VE L20 98 SIM Duplicated central control addresses AI NET Indoor unit L26 L26 Number of heat storage units connected 46 SIM Too many heat storage units connected VE L27 L27 Numberof heat storage units connected 46 O O SIM Error in number of heat storage units connected VE L28 L28 46 SIM Too many outdoor units connected VF L29 L29 Number of IPDU 1 O a SIM No of IPDU error VF L30 L30 Detected indoor unit address b6 O SIM Indoor unit outside interlock Indoor unit L31 Extended I C error VF P01 11 e O O ALT Indoor fan motor error Indoor unit P03 P03 E ALT Discharge temp TD1 error VE 01 Comp 1 side 4 P04 02 2 side 21 a e ALT High pressure SW system operation IPDU 03 Comp 3
53. operation stop 4 After the test operation finished stop the air conditioner from the wireless remote controller and return Dip switch of the receiver section as before A 60 minutes timer clearing function is attached to the receiver section in order to prevent a continuous test operation Receiver unit M4 x 25 screw Spacer 2 pieces Installation Manual SMMS Compact 4 way Cassette 1 Omaintenance lt Daily maintenance gt Y Cleaning of air filter If amp is displayed on the remote controller maintain the air filter 1 Push the E button to stop the operation then turn off the circuit breaker After the cooling or dry operation the ventilation fan keeps running for self cleaning Push the E button twice to stop the operation GODE No tN c ai le 4 TEMP DON OFF Coco FAN MODE SAVE VENT Ce SWINGIFIX UNIT LOUVER FILTER 8 RESET TEST Take out the air filter 2 Open the air intake grille 1 Loosen the fixing screw 2 Slide the fixing bracket toward the outside 16 Installation Manual 3 Slide the air intake grille buttons to detach the air intake grille from the ceiling panel Lower the grille slowly whilst holding Air intake grille 3 Take out the air filter Push the extrusion of the air filter away from the grille and remove Strap to prevent falling 4
54. or noise may generate To prevent a malfunction select a place where is not influenced by a fluorescent light or direct sunlight Two or more Up to 6 units indoor units with wireless type remote controller can be installed in the same room Installation Manual 16 EN 17 SMMS Compact 4 way Cassette 5 Drain Piping N CAUTION Following the Installation Manual perform the drain piping work so that water is properly drained and apply a heat insulation so as not to cause a dew drop Inappropriate piping work may result in water leakage in the room and wet of furniture B Piping Heat insulating material Require the following materials for piping and heat insulating at site Hard vinyl chloride pipe VP25 Outer dia 932 mm Foam polyethylene Thickness 10 mm or more Piping Heat insulator B Flexible hose Use the attached flexible hose to adjust centre discrepancy of the hard vinyl chloride pipe or to adjust the angle Do not use the flexible hose as stretched or do not deform it more extent than that in the following figure Fix the soft end of the flexible hose with the attached hose band Use the flexible hose on a horizontal level OK NO GOOD 2 j Max Riser Trap N 45 I lax D 0 Bend Installation Manual rw REQUIREMENT Perfo
55. or unit can be confirmed for which to change settings CODE No 14 SMMS Compact 4 way Cassette 3 Specify CODE No x with temp setup GO buttons 4 select SET DATA with timer time CO buttons SET 5 Push button When the display changes from flashing to lit the setup is completed To change settings of another indoor unit repeat from Procedure 2 To change other settings of the selected indoor unit repeat from Procedure 3 Use button to clear the settings To make settings after gt button was pushed repeat from Procedure 2 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 B Installing indoor unit on high ceiling When an indoor unit is installed on a ceiling higher than the standard height make the high ceiling setting for fan speed adjustment Follow to the basic operation procedure 1 2 3 4 5 6 For the CODE No in Procedure 3 specify 5d Select the SET DATA for Procedure 4 from the Height list of ceiling possible to be installed table in this manual Installation Manual Remote controller less setting To set the unit to high ceiling setting there is a method tha
56. ouble lock IPDU 03 Comp 3 side 01 Comp 1 side H03 H03 02 Comp 2 side 17 O Current detect circuit system error IPDU 03 Comp 3 side H04 H04 44 le Qo Comp 1 case thermo operation VF H05 H05 TD1 sensor miswiring VE H06 H06 20 e a o Low pressure protective operation VF H07 H07 d7 e le o Oil level down detective protection VF 01 TK1 sensor error 02 TK2 sensor error H08 H08 03 TK3 sensor error d4 le e Oil level detective temp sensor error VF 04 TK4 sensor error 05 TK5 sensor error H14 H14 44 e O Comp 2 case thermo operation VF H15 H15 TD2 sensor miswiring VF 01 TK1 oil circuit system error 02 TK2 oil circuit system error H16 H16 03 TK3 oil circuit system error d7 O o Oil level detective circuit error VF 04 TK4 oil circuit system error 05 TK5 oil circuit system error H25 H25 sensor miswiring VE L03 96 a o a SIM Indoor unit centre unit duplicated Indoor unit L04 L04 96 O a SIM Outdoor unit line address duplicated VF 39 EN 20 40 EN 41 SMMS Compact 4 way Cassette Installation Manual SMMS Compact 4 way Cassette Installation Manual Check code Wireless remote controller Wired remote Outdoor unit 7 segment display AI NET central Sensor block display of receiving unit Check c
57. rm heat insulation of the drain pipes of the indoor unit Perform heat insulation of the connecting part with the indoor unit An incomplete heat insulation causes dew drop Set the drain pipe with downward slope 1 100 or more and do not make swelling or trap on the piping It may cause an abnormal sound For length of the traversing drain pipe restrict to 20 m or less In case of a long pipe provide support brackets with interval of 1 5 2 m in order to prevent waving 1 5 2m Support bracket 1 100 downward chase NO Ta GOOD Trap Heat insulator Set the collective piping as shown in the below figure As long as possible 100 mm wa VP25 VP25 x VP30 or more Downward slope 100 or more Do not apply force to the connecting part of the drain pipe The hard vinyl chloride pipe cannot be directly connected to the drain pipe connecting port of the indoor unit For connection with the drain pipe connecting port fix the attached flexible hose with the hose band otherwise a damage or water leak is caused on the drain pipe connecting port SMMS Compact 4 way Cassette iui Attached hose VP25 vinyl chloride pipe Drain pipe band To be local procure connecting port N Hard socket Attached flexible hose Ela dog
58. side 00 Phase missing detection Power failure detection 01 Comp 1 side Inverter DC voltage error comp Pus m 02 Comp 2 side 2 a e ALT Inverter DC voltage error comp ur 03 Comp 3 side Inverter DC voltage error comp 01 Comp 1 side P07 P07 02 2 side IC e ALT Heat sink overheat error IPDU I F 03 Comp 3 side P09 P09 Detected heat storage address 47 e a ALT No heat storage unit water error Heat storage unit P10 P10 Detected indoor unit address Ob ALT Indoor unit overflow error Indoor unit P12 11 le le ALT Indoor unit fan motor error Indoor unit P13 P13 47 e ALT Outdoor liquid back detection error VF 01 TS condition 15 P15 02 TD condition AE a Gas leak detection VF P17 P17 bb ALT Discharge temp TD2 error VF P18 P18 E2 a eo O ALT Discharge temp TD3 error VF P19 P19 Detected outdoor unit number 08 O eo ALT 4 way valve inverse error VE P20 P20 22 O ALT High pressure protective operation VE 0 IGBT circuit 1 Position detective circuit error 3 Motor lock error 4 Motor current detection Outdoor unit fan IPDU error dus C TH sensor error T ALT Note Ignore 0 to F displayed in position m D TH sensor error E Inverter DC voltage error outdoor unit fan 01 Comp 1 side P26 P26 02 2 side 14 O a ALT G TR short protection error IPDU 03 Comp 3 side 43 SMMS Compact 4 way Cassette Installa
59. splay 18 SMMS Compact 4 way Cassette Installation Manual 36 EN 37 SMMS Compact 4 way Cassette Check method Installation Manual 19 SMMS Compact 4 way Cassette Installation Manual On the wired remote controller central control remote controller and the interface P C board of the outdoor unit I F a check display LCD Remote controller or 7 segment display on the outdoor interface P C board to display the operation is provided Therefore the operation status can be known Using this self diagnosis function a trouble or position with error of the air conditioner can be found as shown in the table below Check code list The following list shows each check code Find the check contents from the list according to part to be checked n case of check from indoor remote controller See Wired remote controller display in the list n case of check from outdoor unit See Outdoor unit 7 segment display in the list n case of check from AI NET central control remote controller See AI NET central control display in the list In case of check from indoor unit with a wireless remote controller See Sensor block display of receiving unit in the list O Lighting O Flashing Goes off AI NET Artificial Intelligence IPDU Intelligent Power Drive Unit ALT Flashing is alternately when there are two flashing LED SIM Simultaneous flashing when there are two flashing LED Check
60. t requires the changing of the jumper blocks on the indoor P C board The details are shown in the below table This method is only to be used where a wired remote controller Group control is not used However once the setting is changed it is necessary to reset the SET DATA back to 0000 that placing the jumper blocks back to the factory default position and rewriting the SET DATA back to 0000 with wired remote controller The setting can be changed to 0001 and 0003 without resetting Select by exchange of jumper blocks on indoor P C board Jumper block position SET DATA Note Short Open CN112 CN111 CN110 0000 Standard Factory default CN112 CN111 CN110 0002 High ceiling 2 CN112 CN111 CN110 0003 High ceiling 3 Jumper blocks position CN112 CN111 CN110 from the left 28 EN SMMS Compact 4 way Cassette 5 Mount the air filter 6 Close the air intake grille n inverse process of 1 firmly attach the knob fixing bracket and fixing screw 7 Turn on the circuit breaker then push the oes button on the remote controller to start the operation 8 After cleaning push display disappears NCAUTION Do not start the air conditioner while leaving air filter removed Push the filter reset button off indication will be turn Clea
61. th 0 8 mm or more thickness 2 Flare nut and flare works are also different from those of the conventional refrigerant Take outthe flare nut attached to the main unit of the air conditioner and use it REQUIREMENT When the refrigerant pipe is long provide support brackets at intervals of 2 5 3 m to clamp the refrigerant pipe Otherwise abnormal sound may be generated N CAUTION IMPORTANT 4 POINTS FOR PIPING WORK 1 Remove dust and moisture from the inside of the connecting pipes 2 Tight connection between pipes and unit 3 Evacuate the air in the connecting pipes by using VACUUM PUMP 4 Check the gas leakage Connected points B Pipe size Model MMU AP007 AP009 AP015 AP018 name AP012 type type Gas side 9 5 mm 12 7 mm Pipe size Liquid side 6 4 mm 6 4 mm Installation Manual B Permissible piping length and height difference They vary according to the outdoor unit For details refer to the Installation Manual attached to the outdoor unit Flaring Cut the pipe with a pipe cutter Remove burrs completely Remaining burrs may cause gas leakage Insert a flare nut into the pipe and flare the pipe As the flaring sizes of R410A differ from those of refrigerant R22 the flare tools newly manufactured for R410A are recommended However the conventional B tools can be used by adjusting Lo Z 2 DI projection margin of the copper pipe Y Projec
62. tion Manual SMMS Compact 4 way Cassette Installation Manual Check code Wireless remote controller Wired remote Outdoor unit 7 segment display AI NET central Sensor block display of receiving unit Check code name Judging device controller display Auxiliary code control display Operation Timer Ready Flash 01 Comp 1 side P29 P29 02 Comp 2 side 16 a ALT Comp position detective circuit system error IPDU 03 Comp 3 side Other indoor unit error B ud a ALT Group follower indoor unit error indeor unt b7 By alarm device ALT Error in indoor unit group AI NET 97 AI NET communication system error AI NET 99 Duplicated network adapters AI NET 1 Number of IPDU 01 Comp 1 02 Comp 2 03 Comp 1 Comp 2 04 Comp 3 05 Comp 1 Comp 3 06 Comp 2 Comp 3 07 Comp 1 Comp 2 Comp 3 08 Fan Error detected by TCC LINK central control device 09 Comp 1 Fan Comp 2 Fan OB Comp 1 Comp 2 Fan 0 Comp 3 Fan 0D Comp 1 Comp 3 Fan OE Comp 2 Comp 3 Fan OF Comp 1 Comp 2 Comp 3 Fan Check code Wireless remote controller Central control device Outdoor unit 7 segment display AI NET central Sensor block display of receiving unit Check code name Judging device indication Auxiliary code con
63. tion device The concentration is as given below Total amount of refrigerant kg Min volume of the indoor unit installed room m Refrigerant piping Outdoor unit xw op Indoor unit lt Concentration limit kg m The concentration limit of R410A which is used in multi air conditioners is 0 3 kg m Very small room Y NOTE 1 If there are 2 or more refrigerating systems in a single refrigerating device the amounts of refrigerant should be as charged in each independent device oo Small Medium ci room room ge room Outdoor unit Mechanical ventilation device Gas leak detector e g charged amount 10 kg IU Or e g charged amount 15 kg NOTE 3 The minimum indoor floor area compared with the amount of refrigerant is roughly as follows When the ceiling is 2 7 m high Indoor unit 40 Room C Room D Room E Room F 2 35 Range below the density limit of _0 3 kg m 30 countermeasures For the amount of charge in this example 25 not needed The possible amount of leaked refrigerant gas in rooms A B and C is 10 kg The possible amount of leaked refrigerant gas in rooms D E and F is 15 kg 5
64. tion margin in flaring B Unit mm Rigid Clutch type R410A tool Conventional Outer dia of copper pipe used tool used R410A R410A 6 4 9 5 0 0 5 1 0 1 5 12 7 Y Flaring dia meter size A Unit mm 204 Outer dia of copper pipe I R410A 6 4 9 1 9 5 13 2 12 7 16 6 In case of flaring for R410A with the A 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 i 20 EN 21 SMMS Compact 4 way Cassette Tightening connection NCAUTION Do not apply excessive torque Otherwise the nut may crack depending on the conditions Unit Nem Outer dia of copper pipe Tightening torque 6 4 mm 14 18 1 4 to 1 8 kgf m 9 5 mm 33 42 3 3 to 4 2 kgf m 12 7 mm 50 62 5 0 to 6 2 kgf m Y Tightening torque of flare pipe connections Pressure of R410A is higher than that of R22 Approx 1 6 times Use a torque wrench tighten 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 Align the centres of the connecting pipes and tighten the flare nut as far as possible with your fingers Then tighten the nut with a spanner and torque wrench as
65. trol display Operation Timer Ready Flash C05 Sending error in TCC LINK central control device TCC LINK C06 Receiving error in TCC LINK central control device TCC LINK C12 Batch alarm of general purpose equipment control interface Generalpurpose equipment Differs according to error contents of unit with occurrence of alarm Group control follower unit error P30 TCC LINK L20 is displayed Decrease of No of indoor units TCC LINK TOSHIBA Carrier Communication Link 22 44 EN 45 SMMS Compact 4 way Cassette 12 Specifications Installation Manual Sound power level dBA Weight kg Cooling Heating Main unit Ceiling panel MMU AP0074MH E 17 3 MMU AP0094MH E i 17 3 MMU AP0124MH E i 17 3 MMU AP0154MH E j i 17 3 MMU AP0184MH E i 17 3 Under 70 dBA 23 SMMS Compact 4 way Cassette Installation Manual Declaration of Conformity Manufacturer Toshiba Carrier Corporation 336 Tadehara Fuji shi Shizuoka ken 416 8521 JAPAN Authorized Nick Ball Representative TCF Toshiba EMEA Engineering Director holder Toshiba Carrier UK Ltd Porsham Close Belliver Industrial Estate PLYMOUTH Devon PL6 7DB United Kingdom Hereby declares that the machinery described below Generic Denomination Air Conditioner Model type MMU AP0074MH E MMU AP0094MH E MMU AP0124MH E MMU AP015
66. ure of the pipe The pipe exposed to the outside may causes water leak Wrap heat insulator with its slits facing up ceiling side Wrap the pipe with the attached heat insulator without any gap between the indoor unit Indoor unit The seam must be faced upward ceiling side r4 rt Heat insulator Heat insulation pipe Union Banding band ofthe pipe locally Accessory procured SMMS Compact 4 way Cassette Installation Manual 7 Electrical Connection N WARNING Use the specified wires for wiring connect the terminals Securely fix them to prevent external forces applied to the terminals from affecting the terminals Incomplete connection or fixation may cause a fire or other trouble Connect earth wire grounding work Incomplete grounding cause an electric shock Do not connect earth wires to gas pipes water pipes lightning conductor or telephone earth wires Appliance shall be installed in accordance with national wiring regulations Capacity shortage of power circuit or incomplete installation may cause an electric shock or a fire N CAUTION If incorrect incomplete wiring is carried out it will cause an electrical fire or smoke Install an earth leakage breaker that is not tripped by shock waves If an earth leakage breaker is not installed an electric shock may be caused Use the cord clamps attached to the product Do not damage or scratch the conductive
67. xtend the life of the product though it involves the owner s expense Failure to clean the indoor and outdoor units regularly will result in poor performance freezing water leakage and even compressor failure Inspection before maintenance Following inspection must be carried out by a qualified installer or qualified service person Parts Inspection method Heat exchanger Access from inspection opening and remove the access panel Examine the heat exchanger if there is any clogging or damages Fan motor Access from inspection opening and check if any abnormal noise can be heard Fan Access from inspection opening and remove the access panel Examine the fan if there are any waggles damages or adhesive dust Filter Go to installed location and check if there are any stains or breaks on the filter Drain pan water is polluted Access from inspection opening and remove the access panel Check if there is any clogging or drain Maintenance List Part Unit Check visual auditory Maintenance Heat exchanger Indoor outdoor Dust dirt clogging scratches Wash the heat exchanger when it is clogged Take appropriate measures when Fan motor Indoor outdoor Sound abnormal sound is generated Wash the filter with water when it is Filter Indoor Dust dirt breakage contaminated Replace it when it is damaged Vibration balance Replace the fan wh
68. y cause a injury Tighten the flare nut with a torque wrench in the specified manner Excessive tighten of the flare nut may cause a crack in the flare nut after a long period which may result in refrigerant leakage After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas may be generated When the air conditioner has been installed or relocated follow the instructions in the Installation Manual and purge the air completely so that no gases other than the refrigerant will be mixed in the refrigerating cycle Failure to purge the air completely may cause the air conditioner to malfunction Nitrogen gas must be used for the airtight test The charge hose must be connected in such a way that it is not slack Electrical wiring Only a qualified installer 1 or qualified service person 1 is allowed to carry out the electrical work of the air conditioner Under no circumstances must this work be done by an unqualified individual since failure to carry out the work properly may result in electric shocks and or electrical leaks To connect the electrical wires repair the electrical parts or undertake other electrical jobs wear gloves to provide protection for electricians and from heat insulating shoes and clothing to provide protection from electric shocks Failure to wear this protective gear may result in electric shocks Use

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