INSTALLATION MANUAL FOR INDOOR UNIT
Contents
1. O Drill a hole with whole core drill Installing the support of piping O Incase of rear piping draw out cut off the lower and the right side portions of the sleeve collar Matters of special notice when piping from left or central rear of the unit Top view INSTALLATION SPACE INDOOR UNIT FRONT VIEW Indoor unit Installation board Space Space 50 for sevice for service 100 g 8 886 106 S15 4106 349 450 299 35 2 po oN S 1 i i L 2 ZAC PA ze 25 2 gt als D L mn OI 535 77 ToT di Piping hole 065 LI Pi in for Gas 633 5 alg For bolt anchor __ Piping for Liquid 703 5 Sz and nut anchor Drain hose 772 16 a 4 Piping hole o65 Unit mm Drain hose changing procedures In case of piping in the right rear direction Shaping of pipings Taping of the exterior Left hand side piping Right hand side piping 1 Remove the drain hose 2 Remove the drain cap Piping in the left rear direction Piping in the right rear direction Pipings Drain hose Piping in the left direction Piping in the right direction O Remove the screw and drain hose making it rotate O Remove it with hand or pliers O Hold the bottom of th2. Unit ON OFF button Va CONCERNING TERMINAL CONNECTION FOR AN INTERFACE Control cover Remove the air inlet panel lid and front panel Remove the control cover Remove the screw There is a terminal respectively marked with CNS for the indoor control board In connecting an interface connect to the respective terminal securely with the connection harness supplied with an optional Interface connection kit SC BIKN E and fasten the connection harness onto the indoor control box with the clamp supplied with the kit For more details please refer to the user s manual of your Interface connection kit SC BIKN E Indoor unit PCB N J 60t GA WOS e LH
3. Ll e This installation manual illustrates the method of installing an indoor e For electrical wiring work please see instructions set out on the For outdoor unit installation and refrigerant piping please refer to e Read the SAFETY PRECAUTIONS carefully first of all and strictly follow it The precautionary items mentioned below are distinguished into two levels e Be sure to confirm no anomaly on the equipment by commissioning after com Va c Model SRK71ZK S RKW012A400A A wired remote control unit is supplied separately as an optional part unit When install the unit be sure to check whether the selection of backside length height differences between indoor and outdoor units power supply voltage and etc and installation spaces page 38 SAFETY PRECAUTIONS e Keep the installation manual together with owner s manual at a place where any user can read at any time Moreover if necessary ask to hand them to a new user during the installation work in order to protect yourself ZA WARNING and Z CAUTION A WARNING Wrong installation would cause serious consequences such as injuries or death A CAUTION Wrong installation might cause serious consequences e Please pay attention not to fall down the tools etc when installing the unit at depending on circumstances the high position Both mentions the important items to protect your health and safety so strictly e If unusual noi
4. O A place where it can be easily drained Wireless remote control installation of Installation board SELECTION OF INSTALLATION LOCATION Install at location that meets the following conditions after getting approval from the customer O Where there is no obstructions to the air flow and where the cooled and heated air can be evenly distributed O A solid place where the unit or the wall will not vibrate O A place where there will be enough space for servicing Where space mentioned below can be secured O Where wiring and the piping work will be easy to conduct O The place where receiving part is not exposed to the direct rays of the sun or the strong rays of the street lighting O A place separated at least 1m away from the television or the radio To prevent interference to images and sounds O Places where this unit is not affected by the high frequency equipment or electric equipment O Avoid installing this unit in place where there is much oil mist O Places where there is no electric equipment or household under the installing unit O A place where the air conditioner can be received the signal surely during operating the wireless remote control O Places where there is no affected by the TV and radio etc O Do not place where exposed to direct sunlight or near heat devices such as a stove INSTALLATION OF INDOOR UNIT Look for the inside wall structures Intermediats support or pillar and firmly inst
5. can cause burn injury or frost injury 601 dQ W5S e LL tIl BEFORE INSTALLATION O Before installation check that the power supply matches the air conditioner Standard accessories Installation kit Q ty Accessories for indoor unit Installation board 1 Attached to the rear of the indoor unit Wireless remote control 1 Remote control holder 1 Tapping screws 10 for installation board 4 X 25mm Wood screws 2 for remote control switch holder 03 5 X 16mm Battery R03 AAA Micro 1 5V 2 Air cleaning filters 2 Filter holders Attached to the front panel of indoor unit 2 Insulation 486 50 x 100 t3 1 Option parts Q ty Sealing plate 1 Sleeve 1 Inclination plate 1 Putty 1 Drain hose extension hose 1 Piping cover 1 for insulation of connection piping Necessary tools for the installation work 1 Plus headed driver 2 Knife 3 Saw 4 Tape measure 5 Hammer 6 Spanner wrench 14 0 82 0N m 7 Torque wrench a4 Senn 8 Hole core drill 65mm in diameter 9 Wrench key Hexagon 4m m Designed specifically 10 Flaring tool set for R410A Designed specifically 11 Gas leak detector for R410A Gauge for projection adjustment 12 Used when flare is made by ing conventional flare tool 13 Pipe bender Indoor unit
6. all the unit after level surface has been checked from the wall 5 cm minimum 6 dewing A CAUTION Completely seal the hole on putty the wall with putty Otherwise furniture or other may be wetted by leaked water or Indoor side Wireless remote control Remote control holder Wood screws Ve r 5 cm minimum from the ceiling Installation board Relation between setting plate and indoor unit s10 gt Fixing on concrete wall i F O Use of nut anchor Use of bolt anchor Bolt Nut nle CE M xt2 Me Mating mark for im lounting a A 7 board z level surface Mounting k board Max 10 oy O Adjust so the board will be aa level by turning the board with the standard hole as the center O Adjustment of the installation board in the horizontal direction is to be conducted with eight screws in a temporary tightened state Drilling of holes and fixture of sleeve Option parts When drilling the wall that contains a metal lath wire lath or metal plate be sure to use pipe hole sleeve sold separately Nos 085 N a Outdoor side Indoor side Thickness of the wall 1 5cm Oie to O tighten Indoor side Outdoor side Installed state
7. c shocks and fire Do not install nor use the system close to the equipment that generates electromagnetic fields or high frequency harmonics Equipment such as inverters standby generators medical high frequency equipments and telecommunication equipments can affect the system and cause malfunctions and breakdowns The system can also affect medical equipment and telecommunication equipment and obstruct its function or cause jamming Do not place any variables which will be damaged by getting wet under the indoor unit When the relative humidity is higher than 80 or drainage pipe is clogged condensation or drainage water can drop and it can cause the damage of valuables Do not install the remote control at the direct sunlight It can cause malfunction or deformation of the remote control Do not use the unit for special purposes such as storing foods cooling precision instruments and preservation of animals plants or art It can cause the damage of the items Do not use any materials other than a fuse with the correct rating in the location where fuses are to be used Connecting the circuit with copper wire or other metal thread can cause unit failure and fire e Do not touch any buttons with wet hands It can cause electric shocks Do not touch any refrigerant pipes with your hands when the system is in operation During operation the refrigerant pipes become extremely hot or extremely cold depending the operating condition and it
8. crease in performance corrosion and damage of components malfunction and fire Do not install the indoor unit in the locations listed below Be sure to install the indoor unit according to the installation manual for each model because each indoor unit has each limitation e Locations with any obstacles which can prevent inlet and outlet air of the unit e Locations where vibration can be amplified due to insufficient strength of structure e Locations where the infrared receiver is exposed to the direct sunlight or the strong light beam in case of the infrared specification unit e Locations where an equipment affected by high harmonics is placed TV set or radio receiver is placed within 1m e Locations where drainage cannot run off safely It can affect performance or function and etc Do not install the unit near the location where leakage of combustible gases can occur If leaked gases accumulate around the unit it can cause fire e Do not install the unit where corrosive gas such as sulfurous acid gas etc or combustible gas such as thinner and petroleum gases can accumulate or collect or where volatile combustible substances are handled Corrosive gas can cause corrosion of heat exchanger breakage of plastic parts and etc And combustible gas can cause fire Do not use the indoor unit at the place where water splashes may occur such as in laundries Since the indoor unit is not waterproof it can cause electri
9. e O Tape only the portion piping and fix direction that goes through the before stretching it and wall shaping it O Always tape the wiring with the piping Sufficient care must be taken not to damage the panel when connecting pipes K Piping is possible in the rear left left rear left downward right or downward direction 3 Insert the drain cap 4 Connect the drain hose Rear Lett Downward rear Left Left downward O Insert the drain cap which was removed O Insert the drain hose securely making at procedure 2 securely using a hexagonal wrench etc Note Be careful that If it is not Inserted securely water leakage may occur rotate And install the screw Note Be careful that If it is not Inserted securely water leakage may occur tl 60L AG WOS e Tl VIl la g of indoor unit Latch 2 locations J Indo Installation board Installation board lt Wall H Z aA AC F Indoor unit base latch N jor unit Installation Steps installation board Pass the pipe through the hole in the wall and hook the upper part of the indoor unit to the installation board 4 Gently push the lower part to secure the unit B The marked portion of the indoor unit base lower latch How to remove the indoor unit from the installation board Pu
10. k If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room lack of oxygen can occur which can cause serious accidents Do not install the unit in the locations listed below Locations where carbon fiber metal powder or any powder is floating e Locations where any substances that can affect the unit such as sulphide gas chloride gas acid and alkaline can occur e Vehicles and ships e Locations where cosmetic or special sprays are often used e Locations with direct exposure of oil mist and steam such as kitchen and machine plant e Locations where any machines which generate high frequency harmonics are used e Locations with salty atmospheres such as coastlines e Locations with heavy snow If installed be sure to provide base flame and snow hood mentioned in the manual e Locations where the unit is exposed to chimney smoke e Locations at high altitude more than 1000m high e Locations with ammonic atmospheres e Locations where heat radiation from other heat source can affect the unit e Locations without good air circulation e Locations with any obstacles which can prevent inlet and outlet air of the unit e Locations where short circuit of air can occur in case of multiple units installation e Locations where strong air blows against the air outlet of outdoor unit e Locations where something located above the unit could fall It can cause remarkable de
11. lared nuts Otherwise the flared nuts may check depending Cover the coupling with insulator and then cover it with tapes Vinyl tape Use an attached insulation pad for heat insulation Position it so that the slit area faces upward Cover the indoor unit s flare connected joints after they are checked for a gas leak with an indoor unit heat insulating material and then wrap them with a tape with an attached insulation pad placed over the heat insulating material s slit area C Finishing work and fixing D Refrigerant piping Connection wiring Earth wiring Outer tape Drain hose Wood screw Clamp Cover the exterior portion with outer tape and shape the piping so it will match the contours of the route that the piping to take Also fix the wiring and pipings to the wall with clamps Open close and detachment attachment of the air inlet panel O To open pull the panel at both ends of lower part and release latches then pull up the panel until you feel resistance The panel stops at approx 60 open position O To close hold the panel at both ends of lower part to lower downward and push it slightly until the latch works To remove pull up the panel to the position shown in right illustration and pull it toward you To install insert the panel arm into the slot on the front panel from the position shown in right illustration hold the pa
12. le at work serious accidents due to burst of the refrigerant circuit Earth leakage breaker must be installed If the earth leakage breaker is not installed it can cause electric shocks 2 Do not put the drainage pipe directly into drainage channels where Do not processing splice the power cord or share a socket with poisonous gases such as sulphide gas can occur other power plugs Poisonous gases will flow into the room through drainage pipe and This may cause fire or electric shock due to defecting contact defecting seriously affect the user s health and safety This can also cause the insulation and over current etc corrosion of the indoor unit and a resultant unit failure or refrigerant leak Do not bundling winding or processing for the power cord Or do Ensure that no air enters in the refrigerant circuit when the unit is not deforming the power plug due to tread it installed and removed This may cause fire or heating If air enters in the refrigerant circuit the pressure in the refrigerant circuit becomes too high which can cause burst and personal injury S A WARNING Do not vent R410A into the atmosphere R410A is a fluorinated greenhouse gas covered by the Kyoto Protocol with Groval Warming Potential GWP 1975 Do not run the unit with removed panels or protections Touching rotating equipments hot surfaces or high voltage parts can cause personal injury due to entrapment burn or e
13. lectric shocks Do not perform any change of protective device itself or its setup condition The forced operation by short circuiting protective device of pressure switch and temperature controller or the use of non specified component can cause fire or burst A CAUTION Carry out the electrical work for ground lead with care Do not connect the ground lead to the gas line water line lightning conductor or telephone line s ground lead Incorrect grounding can cause unit faults such as electric shocks due to short circuiting e Use the circuit breaker of correct capacity Circuit breaker should be the one that disconnect all poles under over current Using the incorrect one could cause the system failure and fire Install isolator or disconnect switch on the power supply wiring in accordance with the local codes and regulations The isolator should be locked in OFF state in accordance with EN60204 1 Be sure to install indoor unit properly according to the installation manual in order to run off the drainage smoothly Improper installation of indoor unit can cause dropping water into the room and damaging personal property Install the drainage pipe to run off drainage securely according to the installation manual Incorrect installation of the drainage pipe can cause dropping water into the room and damaging personal property Be sure to install the drainage pipe with descending slope of 1 100 or more and
14. nel at both ends of lower part lower it downward slowly then push it slightly until the latch works Approx 80 To remove To install ra How to remove and install the front panel ORemoving Remove the air inlet panel Remove the screw A 2pcs screw B 3pcs fixing to the front panel Remove the 3 latches in the upper section of the front panel and then remove the front panel from the unit Olnstalling Remove the air filter Cover the unit with the front panel Tighten the screw A 2pcs screw B 3pcs to fix the front panel Install the air filter Install the air inlet panel Air inlet panel Air filter E Ba S iammm a lt f P H a N Sa Front panel Screw A Screw A a al a Screw B Screw B N Screw B 60t AA NWOS e LL SIL ELECTRICAL WIRING WORK Preparation of indoor unit Mounting of connecting wires Open the air inlet panel Remove the lid Remove the wiring clamp Connect the connecting wire securely to the terminal block 1 Connect the connection wire securely to the terminal bl
15. nlet panel og J Ze INSTALLATION OF WIRELESS CONTROL Mounting method of battery O Uncover the wireless remote control and mount the batteries R03 AAA Micro X2 pieces in the body regularly Fit the poles with the indication marks P amp without fail Battery S Z CAUTION Do not use new and old batteries together XX Fixing to pillar or wall in your hand O Avoid installing it on a clay wall etc Wireless remote control Wood screws F 03 5 X 16 O Conventionally operate the wireless remote control by holding S INSTALLATION TEST CHECK POINTS Check the following points again after completion of the installation and before turning on the power Conduct a test run again and ensure that the unit operates properly At the same time explain to the customer how to use the unit and how to take care of the unit following the user s manual After installation The power supply voltage is correct as the rating No gas leaks from the joints of the operation valve Power cables and crossover wires are securely fixed to the terminal board The screw of the lid is tightened securely Operation valve is fully open The pipe joints f
16. not to make traps and air bleedings Check if the drainage runs off securely during commissioning and ensure the space for inspection and maintenance Secure a space for installation inspection and maintenance specified in the manual Insufficient space can result in accident such as personal injury due to falling from the installation place e For installation work be careful not to get injured with the heat exchanger piping flare portion or screws etc Be sure to insulate the refrigerant pipes so as not to condense the ambient air moisture on them Insufficient insulation can cause condensation which can lead to moisture damage on the ceiling floor furniture and any other valuables When perform the air conditioner operation cooling or drying opera tion in which ventilator is installed in the room In this case using the air conditioner in parallel with the ventilator there is the possibility that drain water may backflow in accordance with the room lapse into the negative pressure status Therefore set up the opening port such as incorporate the air into the room that may appropriate to ventila tion For example Open the door a little In addition just as above so set up the opening port if the room lapse into negative pressure status due to register of the wind for the high rise apartment etc Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping wor
17. o Incorrect installation may cause bursts personal injury water leaks electric the dedicated circuit shocks and fire Power supply with insufficient capacity and incorrect function done by Be sure to use only for household and residence improper work can cause electric shocks and fire If this appliance is installed in inferior environment such as machine shop Be sure to shut off the power before starting electrical work and etc it can cause malfunction Failure to shut off the power can cause electric shocks unit failure or Use the original accessories and the specified components for incorrect function of equipment installation Be sure to use the cables conformed to safety standard and cable If parts other than those prescribed by us are used It may cause water ampacity for power distribution work leaks electric shocks fire and personal injury Unconformable cables can cause electric leak anomalous heat production Install the unit in a location with good support or fire Unsuitable installation locations can cause the unit to fall and cause e This appliance must be connected to main power supply by means material damage and personal injury of a circuit breaker or switch fuse 20A with a contact separation of Ventilate the working area well in the event of refrigerant leakage at least 3mm during installation e When plugging this appliance a plug conforming to the norm If the refrigerant comes into contact with naked flames
18. o the flared surface Dimension A Liquid side 06 35 9 1 mm Gas side 9 52 13 2 mm 12 7 16 6 mm 915 88 19 7 mm Remove the flared nuts on both liquid and gas sides O Install the removed flared nuts to the pipes to be connected Copper pipe type of a flare tool in use then flared the pipes e Flaring work Measurement B mm Copper pipe diameter Clutch type flare tool for Conventional R22 flare tool Measurement B R410A Clutch type Wing nut type 06 35 0 0 0 5 1 0 1 5 1 5 2 0 09 52 0 0 0 5 1 0 1 5 1 5 2 0 012 7 0 0 0 5 1 0 1 5 2 0 2 5 Flaring i ae 015 88 0 0 0 5 1 0 1 5 2 0 2 5 block Use a flare tool designed for R410A or a conventional flare tool Please note that measurement B protrusion from the flaring block will vary depending on the If a conventional flare tool is used please use a copper pipe gauge or a similar instrument to check protrusion so that you can keep measurement B to a correct value Ag Indoor Liquid side Gas side Do not turn Connect the pipes on both liquid and gas sides O Tighten the nuts to the following torque Gas side 09 52 Liquid side 06 35 14 0 18 0 N m 1 4 1 8 kgf m 34 0 42 0 Nem 3 4 4 2 kgf m 012 7 49 0 61 0 N m 4 9 6 1 kgf m 68 0 82 0 Nem 6 8 8 2 kgf m 015 88 A CAUTION Do not apply excess torque to the f
19. ock If the wire is not affixed completely contact will be poor and it is dangerous as the terminal block may heat up and catch fire 2 Take care not to confuse the terminal numbers for indoor and outdoor connections Fix the connecting wire by wiring clamp Attach the lid Close the air inlet panel N A CAUTION In case of faulty wiring connection the indoor unit stops and then the run lamp turns on and the timer lamp blinks Use cables for interconnection wiring to avoid loosening of the wires CENELEC code for cables Required field cables HO5RNR4G1 5 example or 245IEC57 H Harmonized cable type 05 300 500 volts R Natural and or synth rubber wire insulation N Polychloroprene rubber conductors insulation R Stranded core 4or5 Number of conductors G One conductor of the cable is the earth conductor yellow green 1 5 Section of copper wire mm Terminal block pD Wiring Clamp installing the air cleaning filters The screw of the lid is tightened securely 1 Open the air inlet panel and remove the air filters 2 Install the filter holders with the air cleaning filters installed in the holders In the air conditioner Each air cleaning filter can be installed in the left or right filter holder 3 Install the air filters and close the i
20. or indoor and outdoor pipes have been insulated Test run Air conditioning operation is normal No abnormal noise Water drains smoothly Protective functions are not working The remote control is normal Operation of the unit has been explained to the customer Three minutes restart preventive timer When the air conditioner is restarted or when changing the operation the unit will not start operating for approximately 3 minutes This is to protect the unit and it is not a malfunction A Z HOW TO RELOCATE OR DISPOSE OF THE UNIT O In order to protect the environment be sure to pump down recovery of refrigerant Pump down is the method of recovering refrigerant from the indoor unit to the outdoor unit when the pipes are removed from the unit lt How to pump down gt Connect charge hose to check joint of outdoor unit Liquid side Close the liquid valve with hexagon wrench key Gas side Fully open the gas valve Carry out cooling operation If indoor temperature is low operate forced cooling operation After low pressure gauge become 0 01MPa stop cooling operation and close the gas valve Forced cooling operation Then press continually the ON OFF button 5 seconds or more Turn on a power supply again after a while after turn off a power supply
21. poisonous gas is 1EC60884 1 must be used produced e Use the prescribed cables for electrical connection tighten the When installing in small rooms take prevention measures not to cables securely in terminal block and relieve the cables correctly to exceed the density limit of refrigerant in the event of leakage prevent overloading the terminal blocks referred by the formula accordance with ISO5149 Loose connections or cable mountings can cause anomalous heat If the density of refrigerant exceeds the limit please consult the dealer and production or fire install the ventilation system otherwise lack of oxygen can occur which e Arrange the wiring in the control box so that it cannot be pushed up can cause serious accident further into the box Install the service panel correctly After completed installation check that no refrigerant leaks from Incorrect installation may result in overheating and fire the system e Be sure to switch off the power supply in the event of installation If refrigerant leaks into the room and comes into contact with an oven or inspection or servicing other hot surface poisonous gas is produced If the power supply is not shut off there is a risk of electric shocks unit Use the prescribed pipes flare nuts and tools for R410A failure or personal injury due to the unexpected start of fan Using existing parts for R22 or R407C can cause the unit failure and e Be sure to wear protective goggles and gloves whi
22. se can be heard during operation consult the dealer follow them by any means e The meanings of Marks used here are shown as follows using suitable protective clothing groves etc and then perform the installation works installation place power supply specifications usage limitation piping For installing qualified personnel take precautions in respect to themselves by H i Never do it under any Q Always do it according to the pleted installation and explain the operating methods as well as the maintenance S elrcumatancas instruction methods of this equipment to the user according to the owner s manual A WARNING Q Installation must be carried out by the qualified installer e Tighten the flare nut by torque wrench with specified method If you install the system by yourself it may cause serious trouble such as If the flare nut were tightened with excess torque this may cause burst and water leaks electric shocks fire and personal injury as a result of a system refrigerant leakage after a long period malfunction Do not carry out the installation and maintenance work except The electrical installation must be carried out by the qualified the by qualified installer elect jan in accordance with the norm for electrical work and Install the system in full accordance with the installation manual national wiring regulation and the system must be connected t
23. sh up at the marked portion of the indoor unit base lower latch and slightly pull it toward you both right and left hand sides The indoor unit base lower latch can be removed from the installation board Push up the indoor unit upward So the indoor unit will be removed from the Since this air conditioner has been designed to collect dew drops on the rear surface to the drain pan do not attach the power cord above the gutter Gutter Wall Pipe accommodating section Drainage Higher than specified O Arrange the drain hose in a downward angle CAUTION Go through all installation steps and check if the O Avoid the following drain piping drainage is all right Otherwise water leak may occur Odor from the gutter k Oko 9h The drain hose tip is in water Wavy The drain hose tip is in the gutter The gap to the ground is 5 cm or less O Pour water to the drain pan located under the heat exchanger and ensure that the water is discharged outdoor O When the extended drain hose is indoor securely insulate it with a heat insulator available in the market Vg CONNECTION OF REFRIGERANT PIPINGS Keep the openings of the pipes covered with tapes etc to prevent dust sand etc from entering them insulation of the connection portion Indoor Press gt 90 0 5 A CAUTION Do not apply refrigerating machine oil t
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