Toshiba RAV-SP360AT2-UL Air Conditioner User Manual
Contents
1. EU SSS Waill Waterproof rubber cap Drain nipple 5pcs Drain nipple Waterproof rubber cap B For Reference If a heating operation is to be continuously performed for a long time under the condition that the outdoor temperature is 32 F 0 C or lower draining defrosted water may be difficult due to the bottom plate freezing resulting in trouble with the cabinet or fan 11 Outdoor Unit i Installation Manual 6 REFRIGERANT PIPING Piping connections are inside the front panel of the unit Flaring and the front panel and pipe cover needs to be 1 Cut the pipe with a pipe cutter removed before piping and wiring connections are Be sure to remove burrs that may cause a gas made leak 2 Insert the supplied flare nut into the pipe and then flare the pipe As the flaring sizes of R410A differ from those of refrigerant R22 the flare tools newly manufactured for R410A are recommended Piping can enter the outdoor unit from the back from the side or from the bottom as shown Front panel However the conventional tools B y can be used by adjusting the Lo projection margin of the copper pipe 2 2 lt gt Projection margin in flaring B Unit in mm di Rear Rigid Clutch type Pipe cover R410A tool Conventional Outer diameter of used tool used copper 3 8 9 5 0 0 02 0 0 5 12. 9 Outdoor Unit Installation Manual Barriers in front and back of unit B installation of Outdoor Unit Open above and to the right and left of the unit The height of an barrier in both the front and rear of the unit should be lower than the height of the outdoor Before installation check the strength and horizontal of the base so that abnormal sounds do not unit emanate According to the following base diagram fix the base Standard installation firmly with the anchor bolts 1 Single unit installation Anchor bolt nut 3 8 M10 x 4 pairs ME 525 5 9 150 E 5 9 150 23 6 600 1 zu LLLA AES O Uu 5 sla I 2 TS o v P ed 7777777777 RE BS Drain 2 Multiple unit installation nipple mounting hole a Intake and supply parallel Drain hale 1 Field fabricate a snow or an ice stand for the unit using the above dimension Da 2 Place snow or ice stand on a foundation pad um o and secure it to the foundation pad and secure 1 V 1 it to foundation pad anchor bolts ERE E i a LLLI 11 8 of more v v si So When the outdoor unit is anchored directly on E the foundation pad cooling only protrude a 85 minimum of 0 6 15 b Intake and supply in line Open above and to the right and left of the unit 0 6 15 mm or less The height of an obstacle in both the front and rear of the unit shoul
3. 0 1 5 Bottom 5 8 15 9 1 Remove the front panel of the unit V Flaring diameter size A Unit in mm 2 Remove the pipe cover Outer diameter of copper pipe A Roroa 3 Remove the appropriate knockout depending 3 8 9 5 0 52 13 2 on the orientation of the piping 5 8 15 9 0 78 19 7 The pipe cover is easily mounted by cutting off the slit at the lower part of the pipe cover In case of flaring for R410A with the conventional flare tool pull the tool out approx 0 02 0 5 mm more than that for a R22 to adjust it to the specified flare size The copper pipe gauge is useful for adjusting the projection margin size Be sure to wear heavy work gloves while working 4 Remove the burrs from the knockout opening and use the factory supplied protective edge guard material around the opening to protect the piping and the wiring 5 Remove the flare nut from the service valve on outdoor unit Insert the flare nut into the field piping and flare the pipe Bend the pipe approx 90 degree with a pipe bender for side and rear piping 6 When the piping connections are complete re install the pipe cover 12 12 13 Outdoor Unit i Tightening of Flare Connections 1 Align the centers of the flare connections and fully tighten the flare nuts with your fingers Valve at liquid side Piping valve Tightened Flare nut 2 Use two wrenches to loos
4. N WARNING Ask an authorized dealer or qualified installation professional to install maintain the air conditioner Perform installation work properly according to the Installation Manual Inappropriate installation may result in water leakage electric shock or fire Be sure to ground the equipment Improper grounding may cause an electric shock Do not connect ground wires to gas pipes water pipes lightning rods or ground wires for telephone wires Turn off the circuit breaker before attempting any electrical work and maintenance Make sure the circuit breaker is off Failure to do so may cause electric shock Use an exclusive power circuit for the air conditioner Use the rated voltage When moving the air conditioner for installation to another place be very careful not to allow the specified refrigerant R410A to become mixed with any other gaseous body into the refrigeration cycle If air or any other gas mixes with the refrigerant the gas pressure in the refrigeration cycle will become abnormally high and it may result in the pipe bursting or personal injuries Do not modify this unit by removing any of the safety guards or by by passing any of the safety interlock switches Do not touch the intake or aluminium fins of the outdoor unit Doing so may result in injury Tighten the flare nut with a torque wrench in the specified manner Excessive tightening of the flare nut may cause a crack in the flare nut after a long per
5. O O e O 9 OFF O ON O Flashing The LEDs and DIP switches are located on the lower left of the P C board of the outdoor unit SW801 SW800 S 2 Enlarged view i f LEDs CE E LED SW804 Do ES D802 0803 0804 my 0805 come com SW803 ZE L N CE com SW802 EM 21 21 Outdoor Unit Installation Manual 13UNIT PUMP DOWN Use the pump down switch SW801 on the P C board of the outdoor unit to pump down the unit Procedure 1 Turn on the power of the air conditioner 2 Select the FAN mode for indoor unit operation with the remote controller 3 Set SW804 on the board of the outdoor unit to all OFF and then press SW801 for 1 second or more The air conditioner enters the forced cooling mode for up to 10 minutes Pump down the unit during this 10 minutes 4 Upon completion of pump down the unit close the valve and press SW801 for at least 1 second to stop operation 5 Turn off the power Refrigerant P C board recovery switch SW801 9 Optional connector CN610 Special operation select switch SW804 Power save switch SW802 N DANGER Be careful of electric sho
6. m Caution during addition of refrigerant Max amount of additional refrigerant is 1 8 Ibs 800 9 Charge the refrigerant accurately Overcharging may cause serious trouble with the compressor Minimum refrigerant pipe is 16 5 5 m This may cause a malfunction of the compressor or other devices Metering Device is an electronic EXV PMV in outdoor unit E Connecting power and control cables Field supplied The main power is supplied to the outdoor unit The field supplied connecting cables from the outdoor unit to the indoor unit consist for 4 wires and provides the power for the indoor unit as well as the communication signal between the outdoor and indoor unit System interconnection wire size must be AWG12 Breaker must have a capacity specified in the following table All wiring must comply with local electric codes and NEC National Electric Code or CEC Canadian Electric Code Model RAV SP420 Power supply 208 230 V 60 Hz MCA 24 MOCP MAX Fuse CB 40A Breaker 25A System interconnection wires AWG12 Minimum Circuit Amps MOCP Maximum Over Protection Device Amps 4 EN 5 Outdoor Unit Installation Manual 4 PRECAUTIONS FOR SAFETY Installing starting up and servicing air conditioning equipment can be hazardous due to system pressures electrical components and equipment location roofs elevated structures etc Only tra
7. obstacles near the air inlets and air outlet A location that does not increase the operating noise or vibration of the outdoor unit location that does not produce any drainage problems from discharged water Location with easy access to power Do not install the outdoor unit in the following location Alocation with a saline atmosphere coastal area or one that is full of sulfide gas hot spring area Special maintenance is required A location subject to oil vapor oily smoke corrosive gases Alocation in which organic solvent is used Alocation where high frequency equipment including inverter equipment private power generator medical equipment and communication equipment is used Installation in such a location may cause malfunction of the air conditioner abnormal control or problems due to noise from such equipment Alocation in which the discharged air of the outdoor unit blows against the window of a neighboring house Alocation where the operating noise of the outdoor unit is transmitted When the outdoor unit is installed in an elevated position be sure to secure its feet Alocation in which drain water poses any problems Installation Manual When an outdoor unitis installed in a location that is always exposed to strong winds like a coast or on the high stories of a building one of the following is recommended Install the unit so that its discharge faces th
8. 1 CBS Waterproof rubber cap 5 9 Edge Guard 1 Protects piping against sharp edges NOTE Use drain nipple and waterproof rubber cap as necessary 3 EN zu Outdoor Unit Installation Manual 3 SYSTEM REQUIREMENTS B Piping Field supplied Minimum refrigerant line length between the outdoor unit and indoor unit is 16 5 5 m e Maximum pipe lengths Allowable Height difference pipe length Indoor outdoor H ft m ft m Total length Indoor unit Outdoor unit L Upper Lower 10 or less 2461 75 985 30 985 30 Figure of Single Indoor Unit Refrigerant sizes Liquid side Gas side Outer Outer diameter Thickness diameter Thickness 3 8 0 03 5 8 0 04 9 5 mm 0 8 mm 15 9 mm 1 0 mm Flare nuts and flaring The flare nuts and flaring are different from those for the conventional refrigerant Use the flare nuts supplied with the air conditioner or those for R410A Before performing flaring carefully read REFRIGERANT PIPING Insulation Both lines need to be insulated Use a minimum 0 4 10 mm wall thickness Refrigerant charge Length of refrigerant pipe connected to indoor outdoor unit Additional refrigerant 910 98 5 3 30 m None 98 5 2461 Add 0 43 oz ft 40 g m of 30 75 refrigerant for piping that exceeds 985 30 m up to 24671 75
9. 2 Remove wire cover from back of the front pipe cover Wire cover 3 Pass the wires through the conduit connection holes and attach the conduit connecters Conduit connector 4 Connect the wires to the terminal blocks and fix the wires to the wiring guide with the 3 included banding band Terminal block Wire guide Fix with the 3 banding band 15 Outdoor Unit Installation Manual e lt 4 5 Pass wires through wiring guide of the 8 Connect 2 conduits pipe cover and adjust the wire lengths Wiring guide BEE conduit 6 Attach the wire cover and hold the wires with the wiring guide hooks Do not clip or damage the wires with the cover Fix with a screw Fix with 4 screws 16 16 Outdoor Unit Installation Manual EVACUATE AND DEHYDRATE THE SYSTEM N CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Never use the system compressor as a vacuum pump Refrigerant tubes and indoor heat exchanger should be evacuated using the recommended deep vacuum method of 500 microns The alternate triple evacuation method may be used if the procedure outlined below is followed Always break a vacuum with dry nitrogen SYSTEM VACUUM AND CHAR
10. GE Using Vacuum Pump 1 Completely tighten flare nuts A B C D connect manifold gage charge hose to a charge port of the low side service valve Service Valve Refrigerant Indoor Unit Outdoor Unit A Low Side DK DIS High Side Service Valve 2 Connect charge hose to vacuum pump 3 Fully open the low side of manifold gage Manifold Manifold Gage 500 microns O Low side valve High side valve Charge hose Charge hose Vacuum pump Low side valve 4 Start vacuum pump 5 Evacuate using either deep vacuum or triple evacuation method 17 EN 6 After evacuation is complete fully close the low side of manifold gage and stop operation of vacuum pump Deep Vacuum Method The deep vacuum method requires a vacuum pump capable of pulling a vacuum of 500 microns and a vacuum gage capable of accurately measuring this vacuum depth The deep vacuum method is the most positive way of assuring a system is free of air and liquid water Deep Vacuum Graph 5000 4500 4000 LEAK IN 3900 SYSTEM 3000 Q 2500 2000 1500 VACUUM TIGHT TOO WET 1000 500 TIGHT DRY SYSTEM 0 1 2 3 4 5 6 7 MINUTES Triple Evacuation Method The triple evacuation method should only be used when vacuum pump is only capable of pumping down to 28 in of mercury vacuum and system does not contain any liquid water Refer to Trip
11. TOSHIBA Carrier AIR CONDITIONER SPLIT TYPE Installation manual Outdoor Unit Model name RAV SP300AT2 UL RAV SP360AT2 UL RAV SP420AT2 UL HFC For OUTDOOR USE only Installation manual Air conditioner Split type 1 Manuel d installation Climatiseur Type split 1 Outdoor Unit Installation Manual Please read this Installation Manual carefully before installing the Air Conditioner This Manual describes the installation method of the outdoor unit For installation of the indoor unit refer to the Installation Manual attached to the indoor unit ADOPTION OF NEW REFRIGERANT This Air Conditioner uses R410A an environmentally friendly refrigerant Contents 1 DIMENSION 2 2 ACCESSORYPARTS eee ene hh hn nnn nnns 3 3 SYSTEM REQUIREMENTS sese eh RR nnn nnns 4 4 PRECAUTIONS FOR SAFETY 0 00 0 cece eee ee hh nnns 5 5 INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER 7 6 REFRIGERANT PIPING LL 12 7 ELECTRICAL CONNECTIONS 0 00 cece eee ee eee eee 14 8 EVACUATE AND DEHYDRATE THE 17 9 FINISHING 9G 19 10 TEST R UN gioia ea 19 11 PERIODIC MAINTENANCE 0000 ce eee n eee eee eee 19 12 TROUBLESHOOTING cece eee eee 20 13 UNIT PUMP DOWN 2 0 00 cece RI RR ee
12. ck because the P C board has an electrical current running through it 14 PowER SAVE Power save can be set by setting SW802 dip switch Procedure 1 Turn on the SW802 dip switch 2 to activate Power save Power save controls reducing compressor periodicity by approx 1096 depending on the indoor unit heat exchanger temperature in heating operation SW802 Clit Power save setting B All switches are OFF as factory default CAUTION Do not touch SW802 dip switch 1 3 and 4 If any changes are made the unit may not work properly 22 22 EH99865501
13. d be lower than the height of the outdoor unit Standard installation Oe of 39 4 8 Por 1 9 1000 360 or 1500 2600 200 or more more or more or more or more 10 10 EN 11 Outdoor Unit 3 Place unit on stand Make sure it is level and fasten securely to the stand As shown in the figure below install the foundation and vibration proof rubber pads to directly support the bottom surface of the fixing leg that is in contact with the bottom plate of the outdoor unit When installing the foundation for an outdoor unit with downward piping consider the piping work GOOD Mounting leg Foundation Bottom plate of outdoor unit Foundation Support bottom surface of the mounting leg that is in contact with and underneath the bottom plate of the outdoor unit NO GOOD Do not support the outdoor unit only with the mounting leg If only the end of the mounting leg is supported it may deform X Foundation When water is to be drained through the drain hose attach the following drain nipple and waterproof rubber cap and use the drain hose Inner diameter 0 6 16 mm sold on the market Also seal the Screws securely with silicone material etc to prevent water from leaking Some conditions may cause condensation or dripping of water When collectively draining discharged water completely use a drain pan Installation Manual
14. e eee eens 22 14 POWER SAVE eee eee eee eens 22 Outdoor Unit Installation Manual a ee ee 1 DIMENSION os Drain hole N amp 15 07880 21 0 25 burring hole 7 9 200 0 5 12 5 Mounting bolt hole 8 x 80 5 12 x 0 7 17 U shape hole amp Details of legs ot lt Tj discharge S Mounting bolt hole 2 ZI 0 5 12 x 0 7 17 long hole 15 1 383 2 8 70 1 5 39 5 drain hole 5 9 150 23 6 600 3 8 96 Details of A legs 00 8 20 3 5 88 nie 35 4 900 12 6 320 21 7 550 2 0 52 Refrigerant pipe connecting port 0 4 9 5 flare at liquid side Refrigerant pipe connecting port 0 6 15 9 flare at gas side 21 0 534 S 1 2 30 e Conduit connection N hole Refrigerant piping knockout 3 7 95 14 2 360 Refrigerant piping knockout 0 7 18 3 9 99 2 2 56 3 4 85 2 5 64 15 7 400 Mounting hole sold separately 24 0 1 3 emboss Z views 2 2 Outdoor Unit Installation Manual 2 ACCESSORY PARTS Part name Q ty Shape Usage Installation manual 1 This manual Hand this directly to the customer Drain nipple
15. e wall of the structure Keep a distance 19 7 500 mm or more between the unit and wall 19 7 500 mm Install the unit so that the discharge is at a right angle relative to the wind direction Strong wind Strong wind Use wind baffle Produce those parts in the field When outside temperature conditions are 23 F 5 C or lower and unit is running in cooling mode Example Wind shield Wind shield Wind shield 8 EN Outdoor Unit Installation Manual E Required Clearances Unit in mm Barrier at rear side Barrier in front Upper side is free Above unit is free 1 Single unit installation 1 Single unit installation 202220202 BB me AD sg Be 7 s_ TH 5 25 7777777777 2 Barrier on right left and rear 2 Multiple units installation So or as 1 The height of the v v 9 5 v barrier should be D M o lower than the height e of the outdoor unit e i amp U 9 5 9 150 YE iis 11 8 300 or more Qs 3 Multiple units installation Barrier also above unit 2 39 4 1000 or more zs S x E amp Bs d N 5 9 11 8 11 8 11 8 150 300 300 300 The height of the obstacle should be lower than the height of the outdoor unit Barrier also above unit 5 9 150 or more 19 7 500 or more 9 EN
16. en or tighten the flare nut on the gas service valve as shown in the figure Use only one wrench to loosen or tighten the flare not on the liquid service valve The final tightening with a torque wrench should be to the specifications shown in table below Unit ftelbs Tightening torque 24 31 33 42 50 60 68 82 Outer diameter of copper pipe 3 8 9 5 mm 5 8 15 9 mm Valve at gas side Cover Piping valve Installation Manual After the installation work be sure to check for gas leaks of the pipe connections with nitrogen NO GOOD Cover Charge orifice N CAUTION 1 Do not put the crescent wrench on the charge orifice or cover The valve may be broken 2 If applying excessive torque the nut may break according to some installation conditions Pressure of R410A is higher than that of R22 Approx 1 6 times Therefore using a torque wrench tighten the flare pipe connecting sections that connect the indoor outdoor units at the specified tightening torque Incomplete connections may cause not only a gas leak but also trouble with the refrigeration cycle Do not apply refrigerant oil to the flared surface 13 Outdoor Unit Installation Manual ELECTRICAL CONNECTIONS WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or deat
17. fittings made for R410A only so that water and or dust does not enter E Required Tools Equipment and Precautions for Use Prepare the tools and equipment listed in the following table before starting the installation work A R410A exclusive Generic Tools equipment Use Manifold gauge Vacuuming charging refrigerant A Charging hose and operation check A Gas leak detector Gas leak check Vacuum pump with backflow i prevention function Vacuum drying O Flare tool Flare machining of pipes Usable if dimensions are adjusted Bender Bending pipes Refrigerant recovery equipment Refrigerant recovery A Torque wrench Tightening flare nuts A 1 2 12 7 mm and 5 8 215 9 mm Pipe cutter Cutting pipes Q Brazing torch and nitrogen cylinder Braze pipes Refrigerant charging scales Charging refrigerant 4 hexagon wrench Opening liquid valve Outdoor Unit B Installation Location N WARNING Install the outdoor unit in a location that can support the weight of the outdoor unit Insufficient durability may cause the outdoor unit to fall which may result in injury N CAUTION Do not install the outdoor unit in a location that is subject to combustible gas leaks Accumulation of combustible gas around the outdoor unit may cause a fire Install the outdoor unit in a location that meets the following conditions Awell ventilated location free from
18. h The unit cabinet must have an uninterrupted or unbroken ground to minimize personal injury if an electrical fault should occur The ground may consist of electrical wire or metal conduit when installed in accordance with existing electrical codes Before performing service or maintenance be sure main power switch is turned OFF N CAUTION All wiring and connections must comply with NEC CEC local codes UNIT DAMAGE HAZARD Failure to follow this caution may result in damage or improper operation Unit failure as a result of operation on improper line voltage or excessive phase imbalance constitutes abuse and may cause damage to electrical components Wrong wiring may cause a burn out of some electrical parts Donot damage or scratch the conductive core or inner insulator of the power and inter connecting wires when peeling them Electrical control box gt Field wiring terminal C Front panel blocks Y Banding band m Front pipe cover Piping knockout B Field wiring The dashed lines show field wiring Field power System supply interconnection wires Input 11 Qr power Le QV EN sue 208 230 V Remote 0 Hz controller circuit breaker Outdoor unit Indoor unit ground e System interconnection wire size must be AWG12 Breaker must have a capacity specified
19. in the following table All wiring must comply with local electric codes and NEC National Electric Code or CEC Canadian Electric Code Model RAV SP420 Power supply 208 230 V 60 Hz MCA 24 A MOCP MAX Fuse CB 40 A Breaker 25 A System interconnection wires AWG12 MCA Minimum Circuit Amps MOCP Maximum Over Protection Device Amps Connect the system interconnection indoor to outdoor wires to the identical terminal numbers on the terminal block of each unit Incorrect connection may cause a failure With the front panel removed the electrical control box is exposed at the top right corner of the unit 2 Terminate the field wiring conduit if used at the conduit connection holes provided 3 Route the field power wires and the system interconnection wires as shown on the following pages Terminate the wires at field wiring terminal blocks located immediately below the electrical control box 14 14 15 Outdoor Unit System Field power supply interconncection terminal block terminal block Ground screw System interconnection Field power wires supply wires Banding band E Wiring 1 Remove front panel and remove the front pipe cover Remove the 4 Screws KS Front pipe cover wW Installation Manual ee lt 4
20. ined qualified installers and service mechanics should install start up and service this equipment Untrained personnel can perform basic maintenance functions such as cleaning coils All other operations should be performed by trained service personnel When working on the equipment observe precautions in the literature and on tags stickers and labels attached to the equipment Follow all safety codes Wear safety glasses and work gloves Keep quenching cloth and fire extinguisher nearby when brazing Use care in handling rigging and setting bulky equipment Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit Consult local building codes and National Electrical Code NEC for special requirements Recognize safety information This is the safety alert symbol A When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury Understand these signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation
21. iod which may result in refrigerant leakage Install the air conditioner securely in a location where the base can sustain the weight of the unit adequately 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 be generated 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 Electrical work must be performed by a qualified electrician in accordance with the NEC or local code Make sure the air conditioner uses an exclusive power supply An insufficient power supply capacity or inappropriate installation may cause fire Use only the specified wiring during the unit installation Ensure that all terminals are securely fixed so preventing any external forces having a negative effect on the terminals Outdoor Unit Installation Manual N WARNING When air conditioner cannot cool or heat a room well contact the dealer from whom you purchased the air conditioner as refrigerant leakage is considered as the cause In the case of repair that requires refill of refrigerant ask service personnel about details of the repair The refrigerant used in the air conditioner is harmless Generally the refrigerant does not leak However if the refrigerant leaks in a room and a heater or sto
22. le Evacuation Method chart and proceed as follows 1 Pump system down to 28 in of mercury and allow pump to continue operating for an additional 15 minutes 2 Close service valves and shut off vacuum pump 3 Connect a nitrogen cylinder and regulator to system and open until system pressure is 2 psig 4 Close service valve and allow system to stand for 1 hr During this time dry nitrogen will be able to diffuse throughout the system absorbing moisture 5 Repeat this procedure as indicated in the chart System will then be free of any cotaminants and water vapor 17 Outdoor Unit i Installation Manual Triple Evacuation Method chart Open service valves EVACUATE Open or close the valve v BREAK VACUUM WITH DRY NITROGEN V Liquid side Open the valve with a 4 mm hexagon wrench Walt V Gas side v Valve unit EVACUATE v BREAK VACUUM WITH DRY NITROGEN v WAIT v Using a straight blade screwdriver turn it 90 EVACUATE counter clockwise until the valve is fully open v against the stop CHECK FOR TIGHT DRY SYSTEM Charge orifice IF IT HOLDS DEEP VACCUM v Flare nut RELEASE CHARGE INTO SYSTEM EUN Final Tubing Check Handle position Fully closed Fully opened IMPORTANT Check to be certain factory tubing on both indoor and outdoor unit has not shifted during shipment Ensure tubes are not rubbing against each other or any sheet
23. metal Pay close attention to feeder rubes making sure wire ties on feeder tubes are secure and tight Main stopper While the valve is fully opened after the screwdriver has reached the stopper do not apply torque exceeding 4 ftelbs 5 Nem Applying excessive torque may damage the valve Valve handling precautions Open the valve stem until it reaches the stop It is unnecessary to apply further force Securely tighten the cap with a torque wrench Cap tightening torque 03 8 9 5 mm 24 31 ft Ibs 33 42 Nem Valve size 5 8 15 9 mm 15 18 ft Ibs 20 25 Nem Charge port 10 13 ftelbs 14 18 Nem 18 18 EN 19 Outdoor Unit Installation Manual 9 FINISHING After the refrigerant pipe inter unit wires and drain pipe have been connected make sure they are supported and fixed in place for the entire length Keep the power wires and system interconnection wires away from all factory wiring and piping 1 OTEST RUN Turn on the circuit breaker at least 12 hours before starting the system to preheat the compressor and prevent damage To protect the compressor power is supplied from the 208 230 VAC input to the unit to preheat the compressor Check the following before starting a test run e That all pipes are connected securely without leaks That the valve is open If the compressor is operated with the valve closed the outdoor unit will become over press
24. nt pipe in the ground If any section of pipe is buried there must be a 6 in 152 mm vertical rise to the valve connections on the outdoor units If more than the recommended length is buried refrigerant may migrate to the cooler buried section during extended periods of system shutdown This causes refrigerant slugging and could possibly damage the compressor at start up zB 6 EN 7 Outdoor Unit Installation Manual 5 INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER N CAUTION New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER R410A refrigerant is apt to be affected by impurities such as water oxidizing membrane and oils because the working pressure of R410A refrigerant is approx 1 6 times as that of refrigerant R22 Accompanied with the adoption of the new refrigerant the refrigerant oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigerant oil does not enter the new type refrigerant R410A air conditioner cycle To prevent mixing of refrigerant or refrigerant oil the sizes of connecting sections of charging port on main unit and installation tools are different from those of the conventional refrigerant units Accordingly special tools are required for the new refrigerant R410A units For connecting pipes use new and clean piping materials with high pressure
25. r error Suction TS sensor error om AJOJN Heat sink TH sensor error Outdoor temperature sensor TE TS connection 8 error 9 Outdoor EEPROM error 10 Compressor lock 11 Compressor lock 12 Current detection circuit error 13 Thermostat for compressor activated 14 Model data not set on the service P C board 15 MCU MCU communication error 16 Discharge temperature error 17 Abnormal power open phase detected or abnormal voltage 18 Heat sink overheat 19 Gas leak detected 20 4 way valve reverse error 0 0 0 0 21 High pressure release operation ee 0 0 0 0 O OO OC CO CO 0 0 0 0 eo 00000 0 0 e e e 0 e 00006 e 20 20 Outdoor Unit Installation Manual 22 Outdoor fan motor error O O O e O e 23 Compressor driver short circuit protection O O O O e e 9 24 Position detection circuit error in one line display O
26. tes on or off of LED 800 to LED 804 Display mode 1 3 Press SW800 for at least 1 second The LED status changes to display mode 2 4 Since display mode 1 covers multiple errors with the same code display mode 2 must also be used to determine the final error Use the status recorded for LED 800 to LED 804 in display mode 1 Item 2 above and combine it with the status for the same LED s in display mode 2 Item 3 above to determine the complete error code using the chart below memory Outdoor control board 1 Check that DIP switch SW803 is set to on 2 Record the states on or off of LED 800 to LED 804 Display mode 1 3 Press SW800 for at least 1 second The LED status changes to display mode 2 4 Since display mode 1 covers multiple errors with the same code display mode 2 must also be used to determine the final error Use the status recorded for LED 800 to LED 804 in display mode 1 Item 2 above and combine it with the status for the same LED s in display mode 2 Item 3 above to determine the complete error code using the chart below NOTE An outside air temperature TO sensor error can be checked only when an error occurs No Cause Display mode 1 Display mode 2 D800 D801 D802 D803 D804 D800 D801 D802 D803 D804 Normal Discharge TD sensor error Heat exchanger TE sensor error Heat exchanger TL sensor error Outside air temperature TO senso
27. urized which may damage the compressor or other components If there is a leak at a connection air can be sucked in and the internal pressure further increases which may cause a burst or injury Operate the air conditioner using the correct procedure as specified in the Owner s Manual 1 1 PERIODIC MAINTENANCE Foran air conditioning system that is operated on a regular basis cleaning and maintenance of the indoor outdoor units are strongly recommended As a general rule if an indoor unit is operated for about 8 hours daily the indoor outdoor units will need to be cleaned at least once every 3 months This cleaning and maintenance should be carried out by a qualified service person Failure to clean the indoor outdoor units regularly will result in poor performance icing water leaking and even compressor failure 19 Outdoor Unit Installation Manual 1 21TROUBLESHOOTING You can perform fault diagnosis of the outdoor unit with the LEDs on the P C board of the outdoor unit in addition to using the check codes displayed on the wired remote controller of the indoor unit Use the LEDs and error codes for various checks Details of the error codes displayed on the wired remote controller of the indoor unit are described in the Installation Manual of the indoor unit Verifying Error code status Outdoor control Verifying Error code status stored in board 1 Check that DIP switch SW803 is set to off 2 Record the sta
28. ve burner in the room catches fire it may generate toxic gas When you ask service personnel for repairing refrigerant leakage confirm that the leakage portion has been completely repaired Do not install the air conditioner in a location that may be subjected to a risk of exposure to a combustible gas If a combustible gas leaks and becomes concentrated around the unit a fire may occur 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 the refrigerant pipe the compressor sucks air and the refrigeration cycle is over pressurized which may cause a burst or injury 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 with the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in rupturing injury etc N CAUTION 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 Wear heavy gloves during the installation work to avoid injury EQUIPMENT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Do not bury more than 36 in 914 mm of refrigera
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