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Installation & Maintenance Manual

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1. 44 8 Additional Refrigerant Charge 8 1 Air Tight Test 1 Check to ensure that the stop valves are closed completely before air tight test lt Tightening Check of Stop Valves gt a After connecting the pipe remove the cap of stop valve for gas and liquid Tighten the open close spindle in the close direction with a torque 1 1 Stop Valve for Gas 86 to 114 18 to 22 N m 136 to 154 20 to 25 N m Stop Valve for Liquid 7to9 N m b Perform the air tight test after the above check lt Gas Valve gt lt Liquid Valve gt Cap Tightening Torque 50 to 58N m Check Joint for Service Port Refrigerant Pressure Only the charging hose can be connected Hexagonal Wrench Tightening Torque 14 to 18 N m To open or close Cap H spindle valve g Tightening Torque 33 to 42 N m S GEN r mr oN TENA E d La 5 P A Rubber Hexagonal Wrench Refrigerant To open or close Pressure spindle valve Ae a f Spindle Valve Counterclockwise Open H Clockwise Close Tightening Torque a N m Spindle Valve Counterclockwise Open Clockwise Close Gas Valve Tightening Torque 7 to 9 N m Check Joint for Service Port Tightening T Only the charging hose x x KBtu h 9 ony ta ala can be connected Tightening Torque 9 to 14N m 86 to 114 18 to 22 I 136 to 154 20 to 25
2. DES E E e Function Setting External Input Output and Function Setting armer J Press PSW1 once m Start of Setting Menu Mode Turn ON DSW4 No 4 i i i Press PSW1 for 3 seconds or more f pon oe gn E i Arrangement of Dip Switch Setting Menu Mode will be indicated LVA p F dai d j gt For more details 1 m End of Setting eee id refer to Checking of NI PSW2 Dsw2 psw3 SR Outdoor Unit by PCB TJ Press da e 3 E or more VA j in the Service Manual Psws lPsw1 swg DSW4 DSW5 e display indication become to External Input A i normal indication and Code gt j For the setting mode SEG2 SEG1 PSW4 pswel DSW7 Turn OFF DSW4 No 4 Ie SF je efer to 1 below VA H DSW1 Rsw1 NOTE Function gt For the function setting Release Menu Mode after Setting le refer to 2 below l the setting is completed
3. Code Category Content of Abnormality Leading Cause i i Incorrect Capacity Code Setting of Combination 31 Incorrect Capacity Setting of Outdoor Unit and Excessive or Insufficient Indoor Unit Total Indoor Unit Capacity Code System 35 Incorrect Setting of Indoor Unit No Duplication of Indoor Unit No in same Ref Gr 36 Incorrect of Indoor Unit Combination Indoor Unit is Designed for R22 38 Abnormality of Picking up Circuit for Protection Failure of Protection Detecting Device in Outdoor Unit Incorrect Wiring of Outdoor PCB Abnormality Running Current at Overcurrent Blowout Fuse Current Sensor Failure 39 Compressor Instantaneous Power Failure Voltage Drop Constant Speed Compressor Abnormal Power Supply 3A Abnormality of Outdoor Unit Capacity Outdoor Unit Capacity gt 1350KBtuh 3b _ Incorrect Setting of Outdoor Unit Models Incorrect Setting of Main and Sub Unit s Outdoor Unit Combination or Voltage Combination or Voltage 3d Abnormality Transmission between Main Unit Incorrect Wiring Disconnect Wire Breaking Wire and Sub Unit s PCB Failure Activation of Low Pressure Decrease Protection Defective Compression Failure of Compressor 43 Device of Inverter Loose Power Supply Connection Activation of Low Pressure Increase Protection Overload at Cooling High Temperature at Heating 44 Device Expansion Valve Locking Loose Connector Protection Activation of High Pressure Increase Protection Overload Operation Clogging Short Pa
4. Cord Clamp For fixing power supply cable Cord Clamp For Transmission Wiring Transmission Wiring Connection Hole of Power Supply Wiring 0 52 Connection Hole of Power Supply Wiring 52 Power Supply Wiring Connection Hole of Transmission Wiring Fig 7 1 Wiring Connection 34 7 2 Electrical Wiring Connection The ELB earth leakage breaker FUSE and S main switch must be installed to the each power source of outdoor unit If not it may cause of electrical shock or fire NOTE Supply the power source of outdoor units and indoor units respectively 1 Power Source Wiring Supply the power sources to the each outdoor unit respectively Power source wiring is fundamentally according to this method Power Source 220 240V 50Hz Outdoor Unit Power Source ELB Earth Leakage Breaker FUSE 380 415V 3N 50Hz S Main Switch 4 Power Source Wiring O U B Earth Wiring O U i ELB i 1 ELB Li ELB Transmission Wiring O U I U FUSE FUSE FUSE TD Transmission Wiring O U O U I s I s I s Power Source Wiring LU Q Earth Wiring LU
5. Min 300 h1 2 Min 10 gt Min 500 h2 2 Min 500 h2 2 Front Side Front Side Min 10 Side Space i Min 900 5 Min 200 3 SW Min 500 Rear Side Space Gi SS Min 400 Front Side Front Side Min 500 gt gt f Front Side e o Front Side Min 20 Min 20 t Min 500 h2 2 Min 20 Ik Min 20 t Min 500 h2 2 Min 400 1 Min 500 h2 2 No limit for side wall height lt Top View gt No limit or side wall height lt Top View gt No limit for side wal lt Top View gt height 13 3 Walls on 4 Directions e Single Installation No limit for side wall height Ly Min 200 Min 300 h1 2 D N Min 200 ated N 4 No limit for Min 800 Front Side side wall height Open De Min 500 h2 2 lt Top View gt e Multiple Serial Installation lt Installation in the Same Direction gt di Min 300 h1 2 N Min 2007 Min 200 e Front Side i No limit for Min 900 No limit for side wall height Se Q side wall height SE WEE Min w Front Side Min 800 Open e Open iN N N Min 200 Min 200 Min 500 h2 2 lt Top View gt lt Rear to Rear Installation 1 gt Fotad N Min 500 h2 2
6. E Indoor Unit Side Outdoor Outdoor Outdoor Unit Unit Unit eo B a D D l l I l EUSE Indoor Indoor ag Unit Unit_ _ d i Indoor Unit l 35 36 2 The recommended wiring ELB breaker size are shown as follow B Field Minimum Wire Sizes for Power Source Maximum Outdoor Unit KBtu h Transmitting Earth EN60335 1 1 EN60335 1 1 Si mm j Nominal a E Sensitive Refer to the NOTES for selection of the power source cable size ELB Earthleakage Breaker NOTES 1 Follow local codes and regulations when selecting field wires 2 The wire sizes marked with 1 in the above table are selected at the maximum current of the unit according to the European Standard EN60335 1 Use the wires which are not lighter than the ordinary polychloroprene sheathed flexible cord code designation HOSRN F 3 Use a shielded cable for the transmitting circuit and connect it to ground 4 In the case that power cables are connected in series add each unit maximum current and select wires below wech According to EN60335 1 Current A Wire Size mm i lt 3 1 2 5 3 lt i lt 6 1 2 5 6 lt i lt 10 1 2 5 10 lt i lt 16 1 5 4 16 lt i lt 25 2 5 6 25 lt i lt 32 4 10 32 lt i lt 50 6 16 50 lt i lt 63 10 25 In the case that current exceeds 63A Don t series connection a 30 40 40 50 Install a mul
7. Refrigerant Piping 2 Connect the indoor unit and the outdoor unit with field supplied refrigerant piping Suspend the refrigerant piping at specified points and prevent the refrigerant piping from touching weak parts of the building such as wall ceiling etc Abnormal sound may occur due to the vibration of the piping Pay special attention in case of short piping length 3 Connect the gauge manifold using charging hoses with a vacuum pump or a nitrogen cylinder to the check joints of the liquid line and the gas line stop valves Perform the air tight test Connect a manifold gauge to the check joints of the liquid and gas stop valves in the outdoor unit Do not open the stop valves Apply nitrogen gas pressure of 4 15MPa for Hi Multi series A DANGER Be sure to use Nitrogen Gas for air tight test If other gases such as oxygen gas acetylene gas or fluorocarbon gas are accidentally used it may cause explosion or gas intoxication 45 46 4 Check for any gas leakage at the flare nut connections or brazed parts by gas leakage tester or by use of a foaming agent or gas leak detector Recommended Forming Agent G proflex Yokogawa amp CO Ltd 5 Mount the piping cover equipped with the outdoor unit after connecting the pipe Procedure Completion of mb Applying gt Check of gt Ref Piping Nitrogen Gas Pressure Decrease 4 Repairing of Leakage Part Outdoor Unit Nitrogen Tank for Nitrogen Blow du
8. for R410A a for Extruded Portion In case of material 1 2H flaring is not available of Tube after Flaring Use elbow for bend and braze A 2 In case of material 1 2H expanding of tube is not Expanding Tubes mpo Torque Wrench Ka For 012 7 615 88 spanner size is up 2mm Connection of lt lt Ir For 66 35 69 53 619 05 spanner size is the same Flare Nut Measuring Instrument and Tool Brazing Tool Ka Perform correct brazing work Brazing for Tubes Nitrogen Gas Lubrication Oil for Flare Surface Strict Control against Contamin Prevention from Blow nitrogen during brazing Oxidation during Brazing Use a synthetic oil which is equivalent to the oil used Applying Oil to in the refrigeration cycle the Flared Surface Synthetic oil absorbs moisture quickly Refrigerant Check refrigerant cylinder color Refrigerant Charging Liquid refrigerant charging is required regarding Cylinder zeotoropic refrigerant The current ones are applicable However it is Vacuum Pumping vacuum Pump K required to mount a vacuum pump adapter which Adapter for can prevent from reverse flow when a vacuum pump Vacuum Pump stops resulting in no reverse oil flow No interchangeability is available due to higher Vacuum Pumping pressures when compared with R22 Vacuum Holding Do not use current ones to the different refrigerant Refrigerant Charging If used mineral oil will flow into the cycl
9. A WARIS oola io N ractcaeses E n T E r a E E 9 4 2 Handling of Outdoor Un 10 5 Outdoor Unit Installation sisao a a E E E E E EE 11 5 1 Factory Supplied Accessories nnen ennnnernennnnereeneneeenenenernennnenennnneerennenernennneennennneenennnneneennenen 11 5 2 MMStANANON 2 itn oerernnte tetteren tende Reen RE ee 12 DiS EE 13 5 4 FOUNDATION eet ee Mace edad ante EENEG SOERENSEN EES 15 5 5 Drain Water Treatment szarenensensenenenensennananenontnnenannnacdne saesnnennssccond cba SAAE ERARE EAER 17 6 Refrigerant Piping WORK nan cece Shir ENEE aie andl E ele en dees 18 6 1 Piping EE 18 6 2 Faring ang dente eege eessen te eet ae 20 6 3 Caution about Outdoor Unit Installation nnnnnnnnnner eneen eeennneneneneeenenneervennenennensneeenennenn 21 6 4 Piping Connection for Cooling Heating Changeover Operation System nnn ennen renee eneen 23 6 4 1 Piping Size for AVWT 86U6SR to AVWT 154U6SS Base Units nennen ooren oernenoneneeneneenrnens 24 6 4 2 Piping Size for AVWT 182U6SZ to AVWT 307U6SZ Two Units Combination nana 24 6 4 3 Piping Size for AVWT 328U6SZ to AVWT 460U6SZ Three Units Combination nnen nanne 25 E ee WE 26 6 4 5 Piping Connection cccccccceecccceeeeeeeeeeceeeeeeeeeaeeeeeeaeeeeceeaeeeeeeaneeeseeaeesecscaeeeesceseeeeseaeeeesseeeeeta 27 T Elecrical WIM EE 33 Ml General OE ed 34 1 2 Electrical Wining ConnectOM seee ee aaneen Eee ege dg 35 LS Electrical Wiring Tor Outdoor UMi reisien
10. C i d Gas Accessory Pipe i i Field Supplied A Gas Accessory Pip Field Supplied I La Manifold Pipe 1 PN 424 Liquid Dae ef x Liquid Accessory D Pipe Field Supplied Manifold Pipe 2 Liquid Accessory G Pipe Gas Field Supplied Manifold Pipe 2 Gas Piping Liquid Piping Liquid Field Supplied Field Supplied 28 e Branch Pipe Optional Parts lt Line Branch gt First Branch Pipe Diameter and Branch Pipe after First Branch Outdoor Unit KBtuh Total Indoor Unit KBtu h eee facia Model Lower than 57 15 88 HFQ 102F 86 and 96 HFQ 102F 114 and 154 HFQ 162F 182 and 232 HFQ 242F 250 and460 HFO 302F HFQ 162F 154 to 172 28 6 12 7 29 e Piping Size pmm and Branch Pipe Selection CT Pipe Diameter for Outdoor Unit ham SER Main Pipe Diameter ee Sr Outdoor Base Unit or Manifold Pipe 1 to First Branch gece Une Unit Branch Pipe of First Branch 2 A B c p lt y a Outdoor Unit KBtu h en Piping Length 100m D KS 1 l Manifold Pipe 1 Manifold Pipe 2 L5 114 and 136 3 182 to 232 gd H1 250 to 328 i E 8 4 4 4 L3 345 to 460 is E id Indoor Indoor Indoor A Unit Unit Unit Total der Unt KS Lower tha
11. CHECKING PRODUCT RECEIVED Upon receiving this product inspect it for any shipping damage Claims for damage either apparent or concealed should be filed immediately with the shipping company Check the model number electrical characteristics power supply voltage and frequency and accessories to determine if they are correct The standard utilization of the unit shall be explained in these instructions Therefore the utilization of the unit other than those indicated in these instructions is not recommended Please contact your local agent as the occasion arises HISENSE s liability shall not cover defects arising from the alteration performed by a customer without HISENSE s consent in a written form TABLE OF CONTENTS 1 Safet SUMMAN mercan seni cba pAistice yaauahbe pact eayoed E sd ba pleuskeaybodschesdee ceeayoes chi E E sehen 1 SEELEN ee Ses ea ee 5 2 1 Outdoor Unit amp Refrigerant Cycle nnen eennnnereennneereenneeenennnnerennnnenrennnnenrnnnnnenennnneenennneeenn 5 2 2 Necessary Tools and Instrument List for Installation nnn nnnnnennennenernennneereeneneeneenenersennneer nennen 5 3 Before Installationo2 445 2008 2h i ep a Pe a ce e E retarded be eee aren 7 3 1 Line Up of Outdoor Unit onee reren ee i rie ies 7 3 2 Combination of Indoor Unit and Outdoor Unit nennen ennenenrennneeenennnereennnnervenenernennnnee eenen 7 4 Transportation and Handimg enen en ennn nnnn ennn nnn nennen neren eneen eneen 9
12. E ae 38 7 4 Electrical Wiring Connection of Indoor Unit Outdoor Unit ee enenereennenerennnenerennnneerennen 40 7 5 Dip Switch Setting of Outdoor UNitessssesiresssssieressrank ierre a Ea an ects 42 8 Additional Refrigerant Charge 45 Bl SAM Ne Lu 45 8 2 VACUUMING EE 47 8 3 Additional Refrigerant Charge Calculation nnen enennereennnenrennenenrenneernenneennenneeneennnnen 48 84 Charging Work arnnasraaarerrzennsnenrengnsersdrendenndnkonrrneensdanmtskeettntenadiinierndietnkadikndntaaikedspsdikadenoditndikndikedsndinnn 59 8 5 Automatic Simple Judgement System for Refrigerant Amount nnen nennneeenennnereeenener nennen 50 EC a ee ee EE 52 SCT Before Test bp ee EE 52 Q2 eet UE ee ee Ee 54 10 Safety and Control Device Setting arseen sereen evert erie eter nerd eend 59 1 Safety Summary lt Signal Words gt Signal words are used to identify levels of hazard seriousness Definitions for identifying hazard levels are provided below with their respective signal words AA DANGER ACAUTION NOTICE amp NOTE DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to person
13. Outdoor Unit A Outdoor Unit A 7 Outdoor Unit B Outdoor Unit C H Outdoor UnitC Outdoor Unit B em SC To Indoor Units Manifold Pipe 1 Manifold Pipe 2 Manifold Pipe 2 AVWT 444U6SZ AVWT 328U6SZ7 AVWT 345U6SZ AvWT 365U6SZ AVWT 386U8SZ__ AvwT 402uesz AVWT 426U6SZ Outdoor AVWT 154U6SS AVWT 154U6SS AVWT 136U6SS AVWT 154U6SS asss AVwT 154u6SS ec E Go AVWT 96U6SR_ AVWT 96U6SR AVWT 114U6SR 1 AVWT 114U6SR AVWT 136U6SS AVWT 154U6SS Outdoor Unit AVWT 86U6SR AVWWT 96U6SR AVWT 114U8SR AVWT 114U6SR 1 AVWT 114UGSR AVWT 114UGSR AVWT 154U6SS AVWT 154U6SS AVWT 136U6SS To Indoor Units Manifold Pipe 1 mm AVWT 460U6SZ AVWT 154U6SS AVWT 154U6SS AVWT 154U6SS Manifold Pipe 1 HFQ M32F HFQ M32F Manifold Pipe 2 HFQ M22F HFQ M32F Gas 31 75 38 1 38 1 38 1 38 1 38 1 38 1 38 1 a 19 05 19 05 19 05 19 05 19 05 19 05 19 05 19 05 15 88 15 88 15 88 15 88 19 05 19 05 19 05 19 05 Gas 28 6 28 6 25 4 28 6 28 6 28 6 28 6 28 6 Piping Size c Liquid 12 7 12 7 12 7 12 7 12 7 12 7 12 7 12 7 Gas 19 05 22 2 25 4 25 4 25 4 25 4 25 4 28 6 e Liquid 9 53 9 53 12 7 12 7 12 7 12 7 12 7 12 7 Perform the installation of the outdoor unit and piping connection according to the figure Refer t
14. Punc JEN Otherwise the air conditioner v A d DSW10 may not operate appropriately L UE H lt PCB1 gt External Input and Output Setting Function Setting By pressing the push switches PSW3 gt and PSW5 4 By pressing the push switches PSW3 p gt and PSW5 4 the setting can be changed the function No can be selected PSW4 forward PSW2 A backward PSW4 W forward PSW2 A backward Refer to the Technical Catalog for more details lt Example gt lt Example gt Fill out the selected function setting No 1 Fill out the selected function setting No 1 in the space of the table as shown in the space of the table as shown Item SEG2 SEG1 SET F Item SEG2 SEG1 SET Item SEG2 SEG1 SET 1 Input Setting 1 fi 1 CN17 1 2 pin a t Circulator at Heating ce m 2 Input Setting 2 ja 5 1_ Function Thermo OFF Tm Li 14 Not Prepared ce D CN17 2 3 pin It a 7 Input Setting 3 D lt 2 Night Shift re D 15 Not Prepared a 2 pi a a CN18 1 2 pin Cancellation of Ge _ i m i Output Setting 1 i j 3 E Di Ll 16 Not Prepared zm D 3 nj Di I emperature Limit CN16 1 2 pin Defrost for Cold Area i En Output Setting 2 4 Change of Defrost oe d D 17 Not Prepared d O D 5 CN16 1 3 pin OC C Condition Setting before shipment 5 SS ee Speed l f H H 18 Demand d E H Before shipping the input output function settings are specified to each SIS setting pin es a input output terminal according to above table The detail
15. Refrigerant Gas Ss Pipe 22 2 19 05 02220254 025 4 028 6 Connection for B Refrigerant Liquid Pipe 09 53 012 7 For Connection Hole of ner Supply we 136 Screw Spare Combination Unit Model Label NOTE If any of these accessories are not packed with the unit please contact your contractor 9 Installation Install the outdoor unit in a dry well ventilated environment Install the outdoor unit where it is in the shade or it will not be exposed to direct sunshine or direct radiation from high temperature heat source Install the outdoor unit where the sound or the discharge air from the outdoor unit does not affect neighbors or surrounding ventilation The operating sound at the rear or right left sides is 3 to 6dB A higher than the value in the catalog at the front side Install the outdoor unit in a space with limited access to general public Check to ensure that the foundation is flat level and sufficiently strong Do not install the outdoor unit where dust or other contamination could block the outdoor heat exchanger When installing the outdoor unit in snow covered areas mount the field supplied hoods on the top of the outdoor unit and the inlet side of the heat exchanger While heating or defrosting operation drain water is discharged Provide adequate drainage around the foundation If installing the unit on a roof or a veranda avoid dr
16. Unit B A unit side Outdoor Unit Capacity A gt B gt C Outdoor Unit A Indoor Unit Side m lt Piping Work between Outdoor Units gt 1 Piping length between Manifold Pipe at outdoor unit side and outdoor unit should be La lt LB lt Lc lt 10m Outdoor Outdoor Unit Unit A B Outdoor Unit C Indoor Unit Side Manifold Pipe Outdoor Unit Capacity A gt B gt C Keep the direct distance of 500mm or more after the Manifold Pipe Indoor Unit Side Lc Outdoor Unit Capacity A gt B gt C Indoor Unit Side Upstream Side 2 Place the Manifold Pipe lower than the outdoor unit piping connection In case that the Manifold Pipe is placed higher than the outdoor unit piping connection keep 300mm max between the Manifold Pipe and the bottom of the outdoor unit Also provide the oil trap min 200mm between the Manifold Pipe and the outdoor unit Indoor Unit Side lt _ gt Outdoor Outdoor EN Unit Unit c e A B Max lift difference between outdoor units is 100mm Manifold Pipe Oil Trap Oil Trap Oil Trap Min 200mm Min 200mm Min 200mm eas X i Indoor Unit Side Jo Max n Max 300 300mm mm A 3 In
17. devices operate correctly Has the unit been checked for refrigerant leakage Is the unit clean inside and outside Are all cabinet panels fixed Are all cabinet panels free from rattles Is the filter clean Is the heat exchanger clean Are the stop valves open Does the drain water flow smoothly from the drain pipe No 3 DB DB No 7 DB bels DB COMPRESSOR MFG No DATE C C C C No 4 DB DB No 8 DB Li DB Table 9 2 Alarm Code Code Category Content of Abnormality Leading Cause Activation of Float Switch 01 Indoor Unit Activation of Protection Device Float Switch High Water Level in Drain Pan Abnormality of Drain Pipe Float Switch or Drain Pan Activation of Protection Device Activation of PSH Pipe Clogging Excessive 02 Outdoor Unit High Pressure Cut Refrigerant Inert Gas Mixing Incorrect Wiring Loose Terminals Disconnect Wire 03 Abnormality between Indoor and Outdoor Blowout of Fuse Outdoor Unit Power OFF 04 Transmission Abnormality between Inverter PCB and Outdoor PCB eee eE Gund ea 04 Abnormality between Fan Controller and Outdoor PCB ene dee g Incorrect Power Source Connection to 05 Supply Phase Abnormality Power Source Phases Reversed Phase Open Phase 06 Abnormal Inverter Voltage Outdoor Voltage Drop Insufficient Power Capacity Voltage 06 Abnormal Fan Controller Voltage Outdoor Voltage Drop Insufficient Power
18. easily Do not attach the main label on the sub unit outdoor unit B and CH 52 Caution for Insulation Resistance If total unit insulation resistance is lower than 1 megohm the compressor insulation resistance may be low due to retained refrigerant in the compressor This may occur if the unit has not been used for long periods 1 Disconnect the cables to the compressor and measure the insulation resistance of the compressor itself If the resistance value is over 1 megohm then insulation failure has occurred of other electrical parts If the insulation resistance is less than 1 megohm disconnect the compressor cable from the inverter PCB Then turn on the main power to apply current to the crankcase heater After applying current for more than 3 hours measure insulation resistance again Depending on the air conditions pipe length or refrigerant conditions it may be necessary to apply the current for a longer period of time Check the insulation resistance and reconnect the compressor If the leakage breaker is activated check the recommended size shown in Table 7 1 NOTICE 1 Confirm that field supplied electrical components main switch fuse fuse free breaker earth leakage breakers wires conduit connectors and wire terminals have been properly selected according to the electrical data given in the Technical Catalog of the unit and ensure that the components comply with national and local codes Use shield
19. ront Side x d HO lt Rear to Rear Installation 2 gt La LLLLLLL LL Front Side L Min 500 h2 2 Min 200 Min 200 Min 200 Min 200 Side Space 7 Es Min 900 No limit for Min 1600 Rear Side Space side wall height oF No limit for side wall height JG No limit for side wall height Min 800 Front Side Min 800 Min 800 Front Side Min 800 Open 4 4 Open Open kK Open j SIS INN K Min 400 Min 400 Min 500 h2 2 Min 200 Min 200 Min 500 h2 2 lt Top View gt lt Top View gt Min 1m B NOTE 1 Keep the upper side open to prevent mutual interference of inlet and outlet air of each outdoor unit 2 The figure dimensions are sufficient spaces around outdoor units for operation and maintenance at typical installing conditions as follows Operation Mode Cooling Operation Outside Temp 35 C In case that the outdoor unit ambient temperature is higher and also the short circuit is likely to occur compared to the installation condition find an appropriate dimension by calculating air flow current 3 For the multiple installation 1 group allows 6 outdoor units max The space of 1m between each group is required 1 Group Max 6 Outdoor Units 4 Partly open a wall if the unit is surrounded by walls in four directions 14
20. side is higher than 1 500mm the space of 500 h2 2 mm for the front side is required When the wall of rear side is higher than 500mm the space of 300 h1 2 mm for the rear side is required When install the wall in front of the unit make the vent hole on the wall When the space to the obstacle above the unit is less than 1 500mm or the space above the unit is closed set up the duct at the air outlet side in order to prevent short circuit When there are obstacles above the unit the four front rear right and left sides of the unit shall be open in principle buildings and there are no walls in 2 directions the No limit for side wall Sai No limit for side wall Kai No limit for side wall H t Min 300 Min 300 Min 300 gt Rear Side Space gt Rear Side Space Rear Side Space Front Side Front Side Front Side Front Side Front Side i Min 500 h2 2 Min 400 Min 400 lt Top View gt lt Top View gt lt Top View gt 2 Walls on 3 Directions e Single Installation Front Side Zo 500 h2 2 No limit for side wall height Min 300 h1 2 Min 10 lt Top View gt e Multiple Serial Installation lt Installation in the Same Direction gt lt Rear to Rear Installation 1 gt wa This indicates the direction of the unit Front Side when installing the units lt Rear to Rear Installation 2 gt
21. the conduit Apply insulation and check that no clearance exists 23 6 4 1 Piping Size for Base Unit Outdoor Unit CH 6 4 2 Piping Size for Two Units Combination lt Figure for AVWT 232U6SZ gt Indoor Unit on Left Side Indoor Unit on Right Side Outdoor Unit A Outdoor Unit B Outdoor Unit B Outdoor Unit A L J i J bot T IST Id KC KC Cao l f E c J hensen en To Indoor Units Manifold Pipe Manifold Pipe To Indoor Units gt omm Model Juutagues James _ AvwT 210u6sz _JAVWT 232U6SZ AavwrT 250uesz AVWT 272U6SZ _TAvwT 290u6sZ AVWT 307U6SZ Outdoor Combination AVWT 96U6SR AVWT 96U6SR AVWT 136U6SS AVWT 136U6SS AVWT 136U6SS AVWT 136U6SS AVWT 154U6SS AVWT 154U6SS Unit Outdoor Unit B AVWT 86U6SR AVWT 96U6SR AVWT 86U6SR AVWT 96U6SR AVWT 114U6SR AVWT 136U6SS AVWT 136U6SS AVWT 154U6SS Manifold Pipe HFQ M22F HFQ M32F Piping Size Perform the installation of the outdoor unit and piping connection according to the figure Refer to the table for the outdoor unit model the Manifold Pipe model and the piping diameter 24 6 4 3 Piping Size for Three Units Combination lt Figure for AVWT 365U6SZ gt Indoor Unit on Left Side Indoor Unit on Right Side
22. to 114 KBtu h gt lt 136 KBtu h to 154 KBtu h gt 131 131 Si 948 eee 131 co a SZ gn co 4 38x15 S Hole of Anchor Bolt gt Fig 5 1 Position of Anchor Bolts Secure the outdoor unit with the anchor bolts Washer Anchor Bolt M12 Filled Mortar 6 When installing the unit on a roof or a veranda drain water sometimes turns to ice on a cold morning Therefore avoid draining into an area where people often use because it is slippery 7 When drain piping is necessary for the outdoor unit use the drain boss set Optional DBS 26 Do not use drain boss and drain pan kit in the cold area The drain water in the drain pipe may be frozen and then the drain pipe may crack 5 5 Drain Water Treatment Drain water is discharged during heating and defrosting operation Rain water is also discharged Pay attention to the followings 1 Choose a place where well drainage is available or provide a drain ditch 2 Do not install the unit over the walkways Condensation water may fall on people In case of installing the unit in such a place provide the additional drain pan 3 When drain piping is necessary for the outdoor unit use the drain boss set Optional DBS 26 Do not use drain boss and drain pan kit in the cold area The drain water in the drain pipe may be frozen and then the drain pipe may crack Unit mm lt 86 KBtu h to 114 KBtu h gt lt 136 KBtu h to 154 KBtu h g
23. 154U6SS AVWT 154U6SS Combination Combination AVWT 154U6SS Combination AVWT 154U6SS AVWT 154U6SS Regarding the configuration of outdoor units especially for 182 460 KBtu h combine the specified based units 2 or 3 as shown in the table above 3 2 Combination of Indoor Unit and Outdoor Unit The following indoor units can be combined with the outdoor unit Indoor Unit Type 07 Ceiling Ducted Type Low Height Duct Type Way Cassette Type Table 3 1 Indoor Unit Type List Wall Mounted Type Floor Type Floor Concealed Type Ceiling Type O Available e The number of connectable indoor unit with the outdoor unit is as follows Comply with the condition as follows when installing the unit e Amaximum total capacity of 130 and a minimum total capacity of 50 can be obtained by combination of the indoor units when compared with the nominal outdoor unit capacity Table 3 2 System Combination Min Capacity at Max Number of Recommended R f Model KBtu h Individual Operation en Number of Ee ec acit KBtu h Connectable I U pacity Ce 38 ee CSR ES o SECHS ES e SECHS o e s o e a o e e T o o T s en e Seal ne enn CSS ESCH NEEN EZ EZ ee EN ee ee ee ee CE NOTES 1 For the system which all indoor units are operated simultaneously the total indoor unit capacity should be less or equal to the outdoor unit capacity If not poor performance or narrow operation range
24. 18 Table 6 1 Piping Size of Outdoor Unit mm Model KBtu h Gas Liquid 19 05 69 53 22 2 09 53 25 4 012 7 28 6 012 7 28 6 15 88 28 6 15 88 31 75 19 05 31 75 19 05 328 938 1 19 05 386 di d Table 6 2 Piping Size of Indoor Unit mm indoor EST 07 to 14 12 7 6 35 17 to 18 15 88 6 35 22 to 54 15 88 9 53 76 19 05 09 53 22 2 9 53 e Piping Thickness and Material Use the pipe as below mm 1 0 1 2H material 12H material 1 2 material 631 75 1 2H material 1 0 1 0 1 1 1 35 1 2 material 1 45 1 2H material 044 45 1 55 1 2H material 6 2 Flaring and Joint e Flaring Dimension Perform the flaring work as shown below 90 2 mm 0 od 0 4 R410A It is impossible to perform the flaring work with 1 2H material In this case use an accessory pipe with a flare e Joint Selection If you use 1 2H material you can not perform the flaring work In this case use a joint selected from the chart below lt Minimum Thickness of Joint mm gt lt Flare Nut Dimension B mm gt 20 6 3 Caution about Outdoor Unit Installation lt Outdoor Unit Alignment gt Align the outdoor unit from large capacity as A gt B gt C and outdoor Unit A should be located at the indoor Outdoor Outdoor Unit Unit B C Outdoor Unit c Outdoor Outdoor Unit
25. 32 C DB 23 C WB 27 C DB Outdoor 5 C DB 20 C WB Temperature Maximum 43 C DB 15 C WB DB Dry Bulb WB Wet Bulb NOTES 10 C DB 5 C DB Operation Control Range 12 C WB 20 C WB Operation Control Range e Pay attention to the following items while the system is running Do not touch any of the parts by hand at the discharge gas side since the compressor chamber and the pipes at the discharge side are heated higher than 90 C DO NOT PUSH THE BUTTON OF THE MAGNETIC SWITCH ES It will cause a serious accident e Do not touch any electrical components for at least 3 minutes after turning OFF the main switch e Check that the refrigerant piping setting and electrical wiring setting are for the same system by operating the indoor unit one by one 54 d Depress AUTO LOUVER switch and check that the louver is activated normally without abnormal sound Depress AUTO LOUVER again so that the louver will stop If abnormal sound is heard remove the panel and adjust the fitting condition of connection parts in the panel corner cover Ensure that the panel is mounted correctly to the unit body otherwise the panel may be deformed The temperature control will be invalid though the protection device will be activated during the test run If alarm occurs find out the cause of abnormality according to Table 9 2 Alarm Code And again perform the test run after solving the problems f
26. 48 8 4 Charging Work After vacuum pumping work check that the gas stop valve and liquid stop valve are fully closed Charge the additional refrigerant refer to Table 8 1 from the check joint of liquid stop valve Charging Refrigerant Amount Tolerance 0 5kg If the specified refrigerant quantity can not be charged follow the procedure below 1 Fully open the stop valve for gas 2 Operate the compressor at the cooling mode and add the refrigerant from the check joint of the liquid stop valve At this time the liquid stop valve is slightly opened Charging Refrigerant Amount Tolerance 0 5kg Outdoor Unit Stop Valve Liquid Line Manifold Stop Valve Gas Line Nitrogen Tank for Nitrogen Blow during Brazing and Air Tight Test Siphonic Refrigerant Cylinder R410A Vacuum Pump Weigher Gas Line Liquid Line Le a 2 S e a if oot Indoor Unit alte Branch Pipe Insulation Cover the gas and liquid pipe with insulation Charge the correct refrigerant quantity according to Table 8 1 If not a compressor may be damaged due to an excess or insufficient refrigerant charge Refrigerant charge from check joint of gas stop valve may lead to compressor failure Be sure to charge refrigerant from the check joint of liquid stop valve Insulate the liquid piping and gas piping completely to avoid decreasi
27. 5 Is No 4 of DSW4 compressor forced stoppage OFF Abnormal Termination 5 Turn No 4 of DSW5 OFF when the refrigerant amount is sufficient Wait 3 minutes at least after turning No 4 of DSW5 OFF and then the outdoor unit is ready to operate NOTE The 7 segment indication during the check operation may be changed to the protection control code by the activation of protection control however it is normal As for the protection control code refer to the sheet attached to the inside of the outdoor unit service cover NOTE 1 Emissions of the fluorocarbons are prohibited 2 In case of disposal and maintenance of this product collection of fluorocarbons is required 3 Regarding the fluorocarbon the specification label or refrigerant label attached to the product should be followed After the additional refrigerant charge record the total refrigerant refrigerant before shipment additional refrigerant in the field in the refrigerant label 50 e Special Attention Regarding Refrigerant Gas Leakage Pay attention to the critical gas concentration to avoid accidental refrigerant gas leakage before installing air conditioning systems Totally Charged Refrigerant Quantity in System kg lt Critical Concentration kg m Room Space for each Indoor Unit m zier In case of KHK S 0010 this value should be decided a
28. 5 0 N m 9 010 1 0 Nem 18 0 to 23 0 N m 4 When installing the unit in Australia connect the both ends of shielded twist pair cable remote control switch cable and transmission cable to the earth as shown bellow K Shielded Twist Pair Cable Earth Earth PCB1 for I U to O U for O U to O U Te2 BES Harness Lifter Earth Wire Shielded Twist _ Shielded Twist Pair Cable Pair Cable for between Outdoor Units Indoor Unit to Transmission Outdoor Unit Electrical Box Terminal Board for Harness Lifter Transmission Wiring Fix the transmission wiring 2 Places En Earth Terminal Er Fix with ob eee clamp band Terminal Board for nee Power Supply 2 Attach N Earth Wire En Insulation Sleeve I e S Ki Cord Band S ly T g Power Supply Wiring m Cord Band 2 KL Accessory y Cord Clamp Accesso B Use an accessory screw i For Power Supply Wiring 2 52 Knock out Hole R H H i Transmission Wiring NS NOTE d Seal hermetically the entry of conduit pipe by using putty or etc TC 0 connection Hole for for Water Protection Connection H
29. 5 4 Foundation e Concrete Foundations 1 The height of the foundation should be 150mm higher than the ground level 2 Install a drainage around foundation for smooth drain 78 gas TT mm more than d Refrigerant AE H NAN Mortar Hole 0100 x Depth 150 Drainage Width 100 x Depth 20 d 100 more than 150mm or 400 Higher A LY Z Vibration Proof Mat Provide concrete foundation as shown in the figure CORRECT Front Side of Unit Foundation Do not provide concrete foundation as shown below The foot of the outdoor unit may be deformed INCORRECT Front Side of Unit Foundation sa EA 3 Install the outdoor unit in the front rear and right left direction horizontally Use a level gauge Check to ensure that the gradient in four directions front rear right and left is within 10mm Sy Right Side and Left Side 4 Provide a strong and correct foundation so that a The outdoor unit is not on an incline b Abnormal sound does not occur Wiki JA Front Side nd Rear Side c The outdoor unit will not fall down due to a strong wind or earthquake 5 When installing the outdoor unit fix the unit by anchor bolts field supplied Refer to Fig 5 1 regarding the location of fixing holes Unit mm lt 86 KBtu h
30. According to the label Checking of Outdoor Unit by 7 segment Display on PCB1 attached to the rear side of the front cover of the outdoor unit inspect temperature pressure operation frequency and connected indoor unit numbers by the 7 segment displays g To end the test run wait for 2 hours or push RUN STOP switch again 2 55 Table 9 1 Test Run and Maintenance Record MODEL SERIAL No CUSTOMER S NAME AND ADDRESS 10 11 12 13 14 15 16 17 18 19 20 21 56 Is the rotation direction of the indoor fan correct Is the rotation direction of the outdoor fan correct Are there any abnormal compressor sounds Has the unit been operated at least twenty 20 minutes Check Room Temperature Inlet No 1 DB WB C No 2 DB WB C Outlet DB WB C DB WB C Inlet No 5 DB WB C No 6 DB WB C Outlet DB MWB C DB WB C Check Outdoor Ambient Temperature Inlet DB C WB C Outlet DB C WB C Check Refrigerant Temperature Liquid Temperature C Discharge Gas Temperature C Check Pressure Discharge Pressure MPa Suction Pressure MPa Check Voltage Rated Voltage Vv Operating Voltage L L V Starting Voltage V Phase Imbalance Taa Vm Check Compressor Input Running Current Input kW Running Current A Is the refrigerant charge adequate Do the operation control devices operate correctly Do the safety
31. B fuse and main switch S to each outdoor unit 2 Connect a power supply wiring to each indoor unit group to be connected to the same outdoor unit Max capacity of one indoor unit group is 250 KBtu h Connect an ELB fuse and main switch S to each indoor unit group 3 Connect the transmission wiring between indoor units and outdoor units as shown in Fig 7 2 and 7 3 4 Connect the transmission wiring in the same refrigerant cycle unit In case that the refrigerant pipe of indoor unit is connected to the outdoor unit connect the transmission wiring to the same indoor unit Connecting the refrigerant pipe and transmission wiring to the different refrigerant cycle systems may lead to malfunction 5 Use 2 Core lead wires such as shielded twist pair cable for the transmission wiring Do not use 3 Core or over 6 Use the same kind of cables for the Hi NET system of the same refrigerant cycle 7 The transmission wiring is required to be separated from the power supply wiring Keep at least 5cm between the transmission wiring and the power supply wiring and also min 1 5m between the transmission wiring and power supply wiring for other electrical device If the above is not secured put the power supply wiring into the metal conduit tube to separate from other wirings 8 Connect the following transmission wiring to the terminals 1 and 2 of TB2 in the outdoor unit A main unit e between outdoor unit and indoor unit e betwe
32. Capacity Excessive Refrigerant Charge Failure of Thermistor eoii Incorrect Wiring Incorrect Piping Connection oz Decrease iniDischarge EES Expansion Valve Locking at Opened Position Disconnect Connector Insufficient Refrigerant Charge Pipe Clogging ee Failure of Thermistor Incorrect Wiring 08 Increase in Discharge Gas Temperature Incorrect Piping Connection Expansion Valve Locking at Closed Position Disconnect Connector OA Transmission Abnormality between Outdoor and Outdoor Incorrect Wiring Breaking Wire Loose Terminals A Duplication of Address Setting for Outdoor Units Ob NN Incorrect Outdoor Unit Address Setting Sub Units in Same Refrigerant Cycle System utdoor Uni 8 SCH es DC Incorrect Outdoor Unit Main Unit Setting Two or more SE RE Exist in Same Refrigerant Cycle System 11 Inlet Air Thermistor 12 Sensor on Outlet Air Thermistor Incorrect Wiring Disconnecting Wiring 13 Indoor Unit Freeze Protection Thermistor Breaking Wire Short Circuit 14 Gas Piping Thermistor 19 Fan Motor Activation of Protection Device for Indoor Fan Fan Motor Overheat Locking 21 High Pressure Sensor 22 Outdoor Air Thermistor 23 Sensor on Discharge Gas Thermistor on Top of Compressor Incorrect Wiring Disconnecting Wiring 24 Outdoor Unit Heat Exchanger Liquid Pipe Thermistor Breaking Wire Short Circuit 25 Heat Exchanger Gas Pipe Thermistor 29 Low Pressure Sensor 57
33. DSW1 Ref Cycle No Setting DSW2 Capacity Setting Setting is required Setting No setting is required Setting Before Shipment Position DSW 86 96 114 On ON ON ON pode wl Mass oase 123456 123456 123456 1123456 Tens Digit Last Digit Dsw1 psws 136 154 ON ON ON ON EEEE kukk tale Maan 123456 1234 123456 123456 Tens Digit Last Digit DSW4 Test Operation and Service Setting Emergency Operation DSWS Test Operation and Service Settin Setting is required For Test Operation and p g Operating Compressor No setting is required Turn ON the dip switch Setting Before Test Cooling Test Heating when use the below functions Shipment Operation Operation Setting Before ON ON ON Shipment massas anas aneh a 123456 123456 1 23456 Banen 123456 Compressor Setting Item Pin No gereed Stop Except No 1 Compressor Operation 1 B m Except No 2 Compressor Operation 2 123456 Refrigerant Amount Judgement 4 DSW6 Outdoor Unit No Setting Setting is required Single Setting IMPORTANT NOTICE Setting Before Shipment ee d ON The outdoor unit is not single WEIER the combination setting is necessary 1234 Be sure to do this setting Combination Setting UnitA Unit B Unit C No 0 Unit No 2 Unit No 3 Unit ON ON ON BAe nbat 1234 1234 1234 DSW3 DSW7 Power Supply Setting DSW10 Transmission Setting INo setting is required Setting is r
34. GER Use refrigerant R410A in the refrigerant cycle Do not charge oxygen acetylene or other flammable and poisonous gases into the refrigerant cycle when performing a leakage test or an air tight test These types of gases are extremely dangerous and can cause an explosion It is recommended that compressed air nitrogen or refrigerant be used for these types of tests Check to ensure that no pressure exists inside the stop valve before removing the flange Ensure to connect the piping among the units in the same refrigerant cycle 6 1 Piping Materials 1 Prepare locally supplied copper pipes 2 Select the piping size from the Table 6 1 and Table 6 2 3 Select clean copper pipes Make sure there is no dust and moisture inside of the pipes Blow the inside of the pipes with nitrogen or dry air to remove any dust or foreign materials before connecting pipes Do not use any tools which produce a lot of swarf such as a saw or a grinder e Cautions for Refrigerant Pipe Ends When installing pipe through the wall secure a cap at the end of the pipe Correct Incorrect Correct Incorrect Do not place the pipe directly on the ground Correct Incorrect Om EX Er Hole EJ e Attach a cap or vinyl tape O SI Z dk Attach a cap or vinyl tape Rain water can enter NS Attach a cap or vinyl bag with rubber band e Cautions for Piping Connection Work 1 Connect the indoor outdoor units with r
35. Hisense Installation amp Maintenance Manual INVERTER DRIVEN MULTI SPLIT AIR CONDITIONER HEAT PUMP Outdoor Units Model AVWT 86U6SR AVWT 96U6SR AVWT 114U6SR AVWT 136U6SS AVWT 154U6SS AVWT 182U6SZ AVWT 190U6SZ AVWT 210U6SZ AVWT 232U6SZ AVWT 250U6SZ AVWT 272U6SZ AVWT 290U6SZ AVWT 307U6SZ AVWT 328U6SZ AVWT 345U6SZ AVWT 365U6SZ AVWT 386U6SZ AVWT 402U6SZ AVWT 426U6SZ AVWT 444U6SZ IMPORTANT AVWT 460U6SZ READ AND UNDERSTAND THIS MANUAL BEFORE USING THIS HEAT PUMP AIR CONDITIONERS KEEP THIS MANUAL FOR FUTURE REFERENCE ORIGINAL INSTRUCTIONS IMPORTANT NOTICE HISENSE pursues a policy of continuing improvement in design and performance of products The right is therefore reserved to vary specifications without notice HISENSE cannot anticipate every possible circumstance that might involve a potential hazard This heat pump air conditioner is designed for standard air conditioning only Do not use this heat pump air conditioner for other purpose such as drying clothes refrigerating foods or for any other cooling or heating process Do not install the unit in the following places It may cause a fire deformation corrosion or failure Places where oil including machinery oil Places where a lot of sulfide gas drifts such as in hot spring Places where inflammable gas may generate or flow Places w
36. Max capacity of one indoor unit group is 250KBtu h 2 Check to ensure that the power supply voltage is within 10 of the rated voltage If the power supply voltage is too low the system cannot be started due to the voltage drop 3 Check the size of the electrical wires 4 In some cases the packaged air conditioner may not be operated normally under the following cases e Incase that the packaged air conditioner is supplied with the same power transformer as the device with high electricity consumption In case that the power source wires for the device and the packaged air conditioner are located close to each other ex Lift container crane rectifier for electric railway inverter power device arc furnace electric furnace large sized induction motor and large sized switch For the cases mentioned above induction surge of the power supply wiring for the packaged air conditioner may occur due to a rapid change in electricity consumption of the device and an activation of switch Therefore check the field regulations and standards before performing electrical work in order to protect the power supply wiring for the packaged air conditioner 5 Check to ensure that the earth wire of the outdoor unit indoor unit Terminal Board for Transmission Wiring TT ar Terminal Board for Power Supply Earth Wire TB2 Lb TE TB1 4 Cord Band O SI EE D Plastic Band
37. aining in or over walkways to prevent water dripping on people or the formation of ice in winter In case of installing such a place provide the additional drainage around the foundation Do not install the outdoor unit in a space where a seasonal wind directly blows to the outdoor heat exchanger or a wind from a building space directly blows to the outdoor fan NOTES 1 Do not install the outdoor unit where there is a high level of oil mist flammable gases salty air or harmful gases such as sulphur and an acid or alkaline environment Do not install the outdoor unit where the electromagnetic wave is directly radiated to the electrical control box Install the outdoor unit as far as possible being at least 3 meters from the electromagnetic wave radiator 5 3 Service Space Make the service space when outdoor unit is installed as follows Unit mm BS Ai zie A Vent Hole t g gt y Front P Rear f yy Side Side ku E oO 1 1 Eed S S Es 6 z ml Vo CG SG Y 4 T E L 765 gt lt gt Min 500 h2 2 Min 300 h1 2 lt Side View gt 1 Walls on 2 Directions In case that the units are installed adjacent to tall minimum rear side space is 300mm In case of no walls at the front and the rear side of the unit the space of 500mm for the front side and 300mm for the rear side is required When the wall of front
38. al injury NOTE is useful information for operation and or maintenance A DANGER Do not perform installation work refrigerant piping work drain pump drain piping and electrical wiring connection without referring to our installation manual If the instructions are not followed it may result in a water leakage electric shock or a fire Use the adequate refrigerant R410A to the outdoor unit in the refrigerant cycle Do not charge oxygen acetylene or other flammable and poisonous gases into the refrigerant cycle when performing a leakage test or an air tight test These types of gases or extremely dangerous can cause an explosion It is recommended that compressed air nitrogen or refrigerant be used for these types of tests Do not pour water into the indoor or outdoor unit These products are equipped with electrical parts If poured it will cause a serious electrical shock Do not open the service cover or access panel for the indoor or outdoor units without turning OFF the main power supply Do not touch or adjust safety devices inside the indoor unit or outdoor units If these devices are touched or readjusted it may cause a serious accident Refrigerant leakage can cause difficulty with breathing due to insufficient air Turn OFF the main switch extinguish any naked flames and contact your service contractor if refrigerant leakage occurs Make sure that the refrigerant leakage test should be performed Ref
39. als 1 and 2 for Hi NET II 3 In case that alarm is indicated on the LCD of Main outdoor unit follow the 7 segment indication of the Main outdoor unit for checking 4 Perform function setting from Main outdoor unit 5 Maximum refrigerant groups with one central controller are 64 Maximum indoor units to be connected are 160 380 415V 3N 50Hz Outdoor Unit A Main Outdoor Unit B Sub TB1 TB2 TB1 TB2 L1 L2 L3 N EAR x L1 L2 L3 N 1 2 3 4 le Q Q Q li 9191919 ofjofolo H Earth Earth pups P Main Switch TB Terminal Board PCB Printed Circuit Board Field Wiring Transmission Line Shielded Twist Pair Cable DC5V Non Pole Transmission Hi NET System bne S Field Supplied Main Switch xx Optional Accessory 3N 380 415V 50Hz CJ In Ze REH Distribution Box or Pull Box Distribution Box or Pull Box Ss C Mai i i Main Switch pe a Dee 380 415V 50Hz ra D HE D lele d EES IN ii 2E L1 L2 N k i i d L L 33 TB1 TB1 i ELB ELB No 0 No 1 i Indoor Unit Indoor Unit j IN TB2 Remote TB2 Remote i im Control Control ie ee 1 2 A B 1 2 A H 220 240V 50Hz ololole Cable llo Cable lg A T E AA Shielded Twist AA Shielded Twist deii TS Pair Cable TS Pair Cab
40. at overload may occur 2 For the system which all indoor units are not operated simultaneously the total indoor unit capacity is available up to 130 against the outdoor unit capacity 3 If the system is used in the cold area ambient temperature becomes under 10 C or under the high heating load conditions the total indoor unit capacity should be less than 100 against the outdoor unit and total piping length is less than 300m 4 Compared to over 9 KBtu h of indoor units 7 KBtu h of indoor units are set with higher air flow Do not install these units in the place where the cold draft may occur during heating operation Determine the usage environment and installation location carefully If the unit is installed in such places the number of connectable I U should be less than the recommended number on the table above 4 Transportation and Handling 4 1 Transportation Transport the product as close to the installation location as practical before unpacking When using a crane hang the unit according to the description of the label attached to the outdoor unit A DANGER Do not hang the unit by the ropes at the wooden base Rope Position CORRECT INCORRECT Wire Rope Wire Rope Square Hole Apply wire ropes through square holes Wooden Base Wooden Base TT IT 1 Transportation and Storage The corrugated paper frame is not sufficiently strong therefore pay attention to th
41. case that the piping length between outdoor units is 2m or more the oil trap should be provided for the gas pipe so that accumulation of refrigerant oil may not occur Less than 2m O Indoor Unit Side lt Less than 2m Less than 2m J 2m or More O Indoor Unit Side n Oil Trap Min 200mm Oil Trap Min 200mm Less than 2m 2m or more 4 Place the outdoor unit pipe horizontally or with downward gradient towards the indoor unit side or refrigerant oil may accumulate in the pipe X Indoor Unit Side lt _ O Indoor Unit Side Refrigerant oil accumulates in the pipe 21 22 5 For servicing in case that the pipe is placed frontward of the outdoor unit secure min 500mm between the outdoor unit and Manifold Pipe When the compressor is replaced a space of min 500mm is required Min 6 Direction of Manifold Pipe Place the Manifold Pipe vertically towards the ground within 15 as shown in the figure Outdoor Unit Outdoor Unit Outdoor Unit O O Q Manifold Pipe Manifold Pipe O TOG within 15 x 5 6 4 Piping Connection Perform the piping connection work for each outdoor un
42. ccording to the each country s regulation such as ISO5149 and EN378 In the case that the calculated critical concentration is higher than 0 3kg m take the following actions 1 Provide a gas leakage detector and exhaust fan s controlled by its gas leakage detector 2 Provide each effective opening at the wall or door for ventilation to next door so that the critical gas concentration can be maintained lower than the above value Provide an opening more than 0 15 of floor surface at the lower part of a door 1 Maximum Permissible Concentration of HFC GAS R410A The refrigerant R410A is an incombustible and non toxic gas However if leakage occurs and gas fills a room it may cause suffocation The maximum permissible concentration of HFC gas R410A in air is 0 3kg m according to the refrigeration and air conditioning facility standard KHK S 0010 by the KHK High Pressure Gas Protection Association Japan Therefore some effective measure must be taken to lower the R410A concentration in air below 0 3kg m in case of leakage As for R410A this consideration is applied similarly 2 Calculation of Refrigerant Concentration 1 Calculate the total quantity of refrigerant R kg charged in the system connecting all the indoor units of objective rooms 2 Calculate the room space where this unit is to be installed V m of each objective room 3 Calculate the refrigerant concentration C kg m of the room according to the follo
43. cted e Regarding other optional remote control switch wireless remote control or half size remote control follow Installation amp Maintenance Manual attached to each optional remote control switch and perform the test run e In case that the multiple indoor units are operated simultaneously controlled by one remote control switch check the connected number of indoor unit is indicated on LCD e In case that the indicated number is not correct the auto address function is not performed correctly due to incorrect wiring the electric noise or etc Turn OFF the power supply and correct the wiring after checking the following points Do not repeat turning ON and OFF within 10 seconds Power Supply for Indoor Unit is Not Turned ON or Incorrect Wiring Incorrect Connection of Connecting Cable between Indoor Units or Incorrect Connection of Controller Cable Incorrect Setting of Rotary Switch and Dip Switch The setting is overlapped on the Indoor Units PCB b Set the operation mode by pressing MODE switch c Press RUN STOP switch The operation lamp will be turned ON before the test run starts 2 hour OFF Timer will be set automatically and OFF Timer and 2HR will be indicated on LCD Although the air flow initial setting is HI the setting can be changed e Check the following operation range P Cooling Operation Heating Operation Indoor Minimum 21 C DB 15 C WB 15 C DB Temperature
44. e For DC Fan Module Fuse Capacity 40x4 Non Adjustable 3 380 415V 3N 50Hz A 20x 1 20x 1 59 60 Hisense Corporation Add 17 Donghai Xi Road Qingdao 266071 China P00397Q 2013 02 V01
45. e and cause and Check of sludges resulting in clogging or compressor failure Pressures Connection diameter is different R410A UNF 1 2 R407C UNF7 16 x Use the weight scale rl Measuring Instrument Ka for Refrigerant Charging Vacuum Drying Manifold Valve Refrigerant Charge Charging Hose Charging Cylinder Weight Scale A x Refrigerant Gas The current gas leakage detector R22 is not Gas Leakage Check Leakage Detector applicable due to different detecting method Interchangeability with R407C 3 Before Installation 3 1 Line Up of Outdoor Unit lt Base Unit gt Model AVWT 36U6SR AVWT 96U6SR AVWT 114U6SR AVWT 136U6SS _ AVWT 154U6SS lt Combination of Base Units gt Model AVWT 182U6SZ AVWT 190U6SZ AVWT 210U6SZ AVWT 232U6SZ AVWT 250U6SZ AVWT 96U6SR AVWT 96U6SR AVWT 86U6SR AVWT 96U6SR AVWT 114U6SR Combination AVWT 86U6SR AVWT 96U6SR AVWT 136U8SS AVWT 136U6SS AVWT 136U6SS Capacity KBtu h 307 328 Model wues AVWT 290U6SZ AVWT 307U6SZ AVWT 328U6SZ AVWT 345U68Z AVWT 136U6SS AVWT 136U6SS AVWT 154U6SS AVWT 86U6SR AVWT 96U6SR AVWT 136U6SS AVWT 154U6SS AVWT 154U6SS AVWT 96U6SR AVWT 96U6SR AVWT 154U6SS AVWT 154U6SS Model Lauras AVWT 386U6SZ AVWT 402U6SZ AVWT 426U6SZ AVWT 444U6SZ AVWT 114U6SR AVWT 114U6SR AVWT 114U6SR AVWT 114U6SR AVWT 136U6SS AVWT 114U6SR AVWT 114U6SR AVWT 136U6SS AVWT 154U6SS AVWT 154U6SS AVWT 136U6SS AVWT 154U6SS AVWT 154U6SS AVWT
46. e followings in order to prevent the unit deformation e Do not step or put any material on the product e Apply two lifting wires onto the outdoor unit when lifting it by crane e Do not stack the product when storing 2 Transportation and Wire Rope e To protect the unit do not remove any packing e Do not stack or put any material on the product e Apply wire ropes on the both side of the unit as shown in the figure Corrugated Paper Frame Apply rope on the splints or corrugated paper of more than 15mm thickness Do not remove corrugated paper frame and plastic bands Wooden Base e Hanging Method When hanging the unit ensure a balance of the unit check safety and lift up smoothly 1 Do not remove any packing materials 2 Hang the unit under packing condition with two 2 wire ropes as shown in Fig 4 1 Wire Rope Corrugated Paper Frame Do not remove corrugated paper frame and plastic bands Wooden Base Apply rope through the square holes Angle of wire rope is more than 60 Apply rope on the splints or corrugated paper of more than 15mm thickness Do not apply any force to thise place Both Sides Fig 4 1 Hanging Work for Transportation 3 Hang the unit without wooden base with two 2 wire ropes as shown in Fig 4 2 Wire Rope Corrugated Paper Frame Rope Posi
47. ed wires gt 0 75mm for field wiring to protect electrically noise obstacle Total length of shielded wire shall be less then 1000m and size of shielded wire shall comply with local codes Check to ensure that the terminal for power source wiring terminals L1 to L1 and N to N of each terminal board AC 380 415V If not some component will be damaged 9 2 Test Run 1 Check to ensure that the stop valves of the outdoor unit are fully opened and then start the system In case of the combination of base units check that the stop valves of all the connected outdoor units are fully opened 2 Perform the test run of indoor units one by one sequentially and then check accordance of the refrigerant piping system and electrical wiring system If the multiple indoor units are operated simultaneously the system can not be inspected the system accordance 3 lt Perform the test run according to the following procedure Ensure that the test run is carried out without any problem NOTE In case of 2 remote control switch main and sub firstly perform the test run of the main remote control switch a Set the TEST RUN mode by pressing the MODE and CHECK switch of controller simultaneously for at least 3 seconds TEST RUN is displayed on the LCD The total number of the indoor units connected is indicated on the LCD Hi 1 on Example when 5 indoor units are conne
48. efrigerant pipes Fix the pipes and pay attention not to contact with weak materials such as ceiling Otherwise abnormal sound may be heard due to the vibration of the piping 2 Apply refrigerant oil slightly on the sheet surface of the pipe and flare nut before Apply Refrigerant Qil the flaring work And then tighten the flare nut with the specified tightening CTE torque using two spanners Perform the flaring work on the liquid piping side before the gas piping side Check the gas leakage after the flaring work LI NOTE Refrigerant oil is field supplied KD Ethereal Oil FVC68D 3 In case that temperature and humidity inside the ceiling exceed 27 C RH80 apply additional insulation approx 10mm thickness to the accessory insulation It prevents dew condensation on the surface of the insulation refrigerant pipe only 4 Perform the air tight test 4 15MPa for the test pressure 5 Perform cold insulation work by insulating and taping the flare connection and reducer connection Also insulate all the refrigerant pipes e When tightening the flare nut use two spanners Do not apply the two spanners work here Refrigerant leakage shall occur a ECH Fa Two Spanners Work Tightening Work for Stop Valve Liquid Do not apply excessive force to the flare nut when tightening If applied the flare nut may crack due to aged deterioration and refrigerant leakage may occur Use the specified tightening torque
49. en outdoor unit and indoor unit in other refrigerant cycles 9 Do not connect the power supply wiring to the terminal board for transmission wiring TB2 Printed circuit board may be damaged 10 Connect the earth wire for the outdoor indoor The earth wiring work under the condition of 100Q max ground resistance should be performed by the qualified person e Transmission Wiring 40 Refrigerant Group 1 Refrigerant Group 2 Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit Main Sub Main Sub TB TB TB TB TB TB TB TB LifL2 La N 3 4 LilL2 La N 1 2 3 4 OOlOO OOiOOlOlc Transmission Wire for Main Sub Hi NET II Transmission Wire BIA BIA TBz TBz BIA BIA BIA TB2 TB2 TB2 BIA TB TB TB TB TB TB TB Unit No 0 Unit No 1 Unit No 2 Unit No 0 Unit No 1 Unit No 2 Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit NOTES 1 For the combination units 182 460KBtu h DSW settings of Main and Sub are required 2 Alarm occurs if the transmission wires between outdoor units are connected to the termin
50. equired Setting is required 380 415V Unit 380 415V Setting Before Shipment ON ON T anys 380 415V For End Resistance Cancellation Setting Before End Resistance Shipment Cancellation He Tag 12 12 If the transmission circuit fuse is short circuited the printed circuit board PCB1 will be recovered only once by turning DSW10 2 pin on Fig 7 4 DSW Setting e Setting for Transmitting It is required to set the outdoor unit Nos refrigerant cycle Nos and end terminal resistance for this Hi NET or Hi NET Il system e Setting of Outdoor Unit No In case of the combination of base unit set DSW6 as shown below Combination of Base Unit Base Unit Before Shipment Unit A Unit B Unit C No 0 Main No 2 No 3 e Setting of Refrigerant Cycle No In the same refrigerant cycle set the same refrigerant cycle No for the outdoor unit and the indoor units as shown below As for setting indoor unit refrigerant cycle No set the RSW2 and DSW5 on the indoor unit PCB Setting Switch 10 digit 1 digit Ex In Case of Setting Refrigerant Cycle No 25 Setting Position SE ol or lai i m W Setby neering ee i G SKS I G x into the groove 123456 Outdoor Unit DSW1 RSW1 Turn ON No 2 pin Set Dial No 5 NE DSW5 RSW2 DSW and RSW setting before shipment is 0 Maximum in setting refrigerant cycle No is 63 Settin
51. g 5 Insulate the gas pipe and liquid pipe completely 6 Mount the piping cover equipped with the outdoor unit after the piping connection If not the unit may damaged due to snow or rain water entering Table 6 3 Tightening Work of Flare Nut Required Tightening Torque JIS B8607 Pipe Size Tightening Torque 66 35 1 4 14 to 18 9 53 318 m 12 7 1 2 49 to 61 Se m 919 05 3 4 e Details of Stop Valve Piping Connection 86 KBtu h 96 KBtu h Stop Valve Stop Valve Stop Valve Liquid Stop Valve Liquid 4 Si Liquid Pipe a Field Supplied Socket Liquid Pipe Field Supplied Field Supplied Accessory Pipe B Gas Pipe z Elbow Field Supplied Field Supplied 5 Gas Pipe Es Gas Pipe Field Supplied 9 Et Field Supplied Field Supplied 114 KBtu h 136 KBtu h Stop Valve S Stop Valve d Stop Valve Liquid g ai Stop Valve Liquid Accessory Pipe Socket ee Pa Field Supplied pipe a u d U Field Supplie hans e Accessory Pipe B Gas Pipe g PP Pea Liquid Pipe Field Supplied A Gas Pipe U J Field Supplied Gas Pipe Field Supplied Field Supplied Elbow Field Supplied armen SSES Stop Valve a Valve Liquid e 8 Pipe Field Supplied Elbow Accessory Pipe B EEEN Supplied Gas EN Field Supplied J NOTES 1 Ensure that the closing pipe of the gas st
52. g Switch 10 digit 1 digit oN Fe m oo N e SR Setting of End Terminal Resistance DSW10 Outdoor Unit DSW1 DSW8 Before Shipment Cancellation ON ON Indoor Unit DSW5 RSW2 Au NN Hi NET II 1 2 OFF 1 2 OFF e Setting of End Terminal Resistance Before shipment No 1 pin of DSW10 is set at the ON side In the case that the outdoor units quantity in the same Hi NET or Hi NET Il is 2 or more set No 1 pin of DSW10 at the OFF side from the 2nd refrigerant group outdoor unit If only one outdoor unit is used no setting is required Turn OFF DSW10 No 1 pin for cancel of Turn OFF DSW10 No 1 pin for cancel of end terminal resistance setting Geng end terminal resistance setting Geng on fig on BE orr D or MB ee eke eee eee En Outdoor Unit l Outdoor Unit a Outdoor Unit Outdoor Unit l 1 i mS l DSW10 DSW10 DSW10 DSW10 DSW10 DSW10 DSW10 Pu OT DN Au WW Pa l Wu 12 I 12 12 12 12 12 I 12 i Unit A Unit B 1 i Main Sub Sub Main Sub l I 1 Transmission Line Hi NET II or Hi NET Transmission Line Hi NET II or Hi NET Transmission Line Hi NET II or Hi NET Indoor Unit
53. g work or a periodical check is performed Protect the wires electrical parts etc from rats or other small animals If not protected rats may gnaw at unprotected parts and which may lead to a fire Avoid the wirings from touching the refrigerant pipes plate edges and electrical parts inside the unit If not do the wires will be damaged and at the worst a fire will occur Use a medium sensing speed type ELB Earth Leakage Breaker activation speed of 0 1 sec or less If not used it will cause an electric shock or a fire Fix the cables securely External forces on the terminals could lead to a fire Tighten screws according to the following torque M4 1 0 to 1 3 N m M5 2 0 to 2 4 N m M6 4 0 to 5 0 N m M8 9 0 to 11 0 N m M10 18 0 to 23 0 N m 33 7 1 General Check 1 Make sure that the field selected electrical components main power switches circuit breakers wires conduit connectors and wire terminals have been properly selected according to the electrical data indicated in the Technical Catalog Make sure that the components comply with National Electrical Code NEC e Supply electrical power to each outdoor unit An ELB fuse and main switch should be used for each outdoor unit If not it will be cause of fire or electrical shock e The power supply for the indoor unit and outdoor unit should be provided separately Connect a power supply wiring to each indoor unit group to be connected to the same outdoor unit
54. here strong salty wind blows such as coast regions Places with an atmosphere of acidity or alkalinity Do not install the unit in the place where silicon gas drifts If the silicon gas attaches to the surface of heat exchanger the fin surface repels water As a result drain water splashes outside of the drain pan and splashed water runs inside of electrical box In the end water leakage or electrical devices failure may occur Pay attention to the following points when the unit is installed in a hospital or other facilities where electromagnetic wave generates from medical equipment Do not install the unit in the place where the electromagnetic wave is directly radiated to the electrical box remote control cable or remote control switch Install the unit at least 3 meters away from electromagnetic wave such as a radio Do not install the unit in the place where the breeze directly catches the animals and plants It could adversely affect the animals and plants The installer and system specialist shall secure against leakage according to local regulations or standards The following standards may be applicable if local regulations are not available International Organization for Standardization 1505149 or European Standard EN378 or Japan Standard KHKS0010 No part of this manual may be reproduced without written permission It is assumed that this heat pump air conditioner will be operated and serviced by English speak
55. ing people If this is not the case the customer should be add safety caution and operating signs in the native language If you have any questions contact your distributor or dealer of HISENSE This manual gives a common description and information for this heat pump air conditioner which you operate as well for other models This heat pump air conditioner has been designed for the following temperatures Operate the heat pump air conditioner within this range This heat pump air conditioner has been designed for the following temperatures Operate the heat pump air conditioner within this range Temperature C Cooling Indoor 32 DB 23 WB 21 DB 15 WB Heating Indoor Operation Outdoor DB Dry Bulb WB Wet Bulb The temperature may change depending on the outdoor unit This manual should be considered as a permanent part of the air conditioning equipment and should remain with the air conditioning equipment IMPORTANT NOTICE Correct Disposal of this product This marking indicates that this product should not be disposed with other household wastes To prevent possible harm to the environment or human health from uncontrolled waste disposal recycle it responsibly to promote the sustainable reuse of material resources To return your used device please use the return and collection systems or contact the retailer where the product was purchased They can take this product for environmental safe recycling
56. int for Service Port Only the charging hose can be connected Tightening Torque 9 to 14N m Refrigerant Pressure Gas Valve Tightening Torque KBtu h a N m 86 to 114 18 to 22 136 to 154 20 to 25 lt Liquid Valve gt Check Joint for Service Port Only the charging hose can be connected Tightening Torque 14 to 18 N m Cap Tightening Torque 33 to 42 N m Hexagonal Wrench Refrigerant To open or close Pressure spindle valve Doen lt Spindle Valve Counterclockwise Open Clockwise Close Tightening Tor Do not apply an abnormal big force to the spindle valve at the end of opening The back seat construction is not provided At the test run fully open the spindle If not fully opened the devices will be damaged 26 6 4 5 Piping Connection 1 Make sure that the stop valves are closed completely 2 Protect the compressor and sound proof cover with metal plate when brazing the gas pipe as shown in Fig 6 2 Pay attention to the flame from the burner not to burn the stop valve body 3 Connect the indoor unit and the outdoor unit with refrigerant piping Prevent the refrigerant piping from touching weak parts of the building such as wall ceiling etc Abnormal sound may occur due to the vibration of the piping 4 As for the flaring work of the field pipe use the specified tightening torque in Table 6 3 Put nitrogen gas into the pipe when brazin
57. ipe size of gas liquid line from the outdoor unit Manifold Pipe 1 to first branch should be increased one size with the reducer field supplied 3 If the refrigerant piping length is more than 100m no need to increase the pipe size after first branch If the Branch Pipe size is larger than the first branch adjust the Branch Pipe size to the first branch In case that the selected pipe size after the first branch is larger than the pipe size before the first branch use the same pipe size as before the branch 4 The pipe diameter EN should be the same as the indoor unit piping connection size 5 When the liquid piping length is longer than 15m use 69 53 pipe and reducer field supplied 6 Keep the direct distance of 500mm or more after the Manifold Pipe 7 The condition of refrigerant piping installation is different depending on the connected indoor unit quantities 8 Allowable total piping length may become shorter than 1 000m due to the limitation of maximum additional refrigerant amount NOTES 1 Check the gas pipe and liquid pipe are equivalent in terms of the piping length and piping system 2 Use a Branch Pipe system components for the branch pipe of indoor unit 3 Install the indoor unit and Branch Pipe according to each Installation amp Maintenance Manual 4 If the piping length L3 between each Branch Pipe and each indoor unit is considerably longer than other indoor unit refrigerant may not fl
58. iring for telephone Connect a fuse of specified capacity Before performing any brazing work check to ensure that there is no flammable material around When using refrigerant be sure to wear leather gloves to prevent cold injuries Protect the wires electrical parts etc from rats or other small animals If not protected rats may gnaw at unprotected parts and which may lead to a fire Fix the cables securely External forces on the terminals could lead to a fire Provide a sufficiently strong foundation If not the unit may fall down and it may lead to injuries Do not install the unit in a place where oil vapor organic solvent and corrosive gas ammonia sulfur compound and acid may be present in quantities It may cause refrigerant leakage due to corrosion electrical shock deteriorated performance and breakage Perform electrical work according to Installation Manual and all the relevant regulation and standards If the instructions are not followed an electrical shock and fire may occur due to insufficient capacity and inadequate performance Use specified cables between units and choose the cables correctly If not an electrical shock or fire may occur Ensure that the wiring terminals are tightened securely with the specified torques If not generating fire or electrical shock at the terminal connection part may occur ACAUTION Do not step or put any material on the product Do not put any f
59. it NOTE Ensure that the refrigerant pipe should be connected to the same refrigerant cycle unit e Prepare the refrigerant pipe in the field for the piping work Refer to Fig 6 1 for the position of piping connection 2 B g T l e a S Gas Line Refrigerant Piping H Connection 0 D 2 D E x EPE sl DI 0 Liquid Line Refrigerant Piping ofa Connection Ss 85 40 00 e Q O E y VE B el kk kl i a l SE A Gas Line Refrigerant Piping mm 285 Connection Model KBtu h A B C D S S B Liquid Line Refrigerant Piping Connection sl 55 185 345 Fig 6 1 Refrigerant Piping Connection e Piping Direction Fix the pipes adequately in order to avoid vibration and excessive force to the valve 1 The pipes are available to connect in three directions front rear or bottom side from the bottom base For the vibration protection properly fix the piping connection and check that no excessive force applied to the stop valve Rear Side Bottom Base Bottom Side 2 Operation of the stop valve should be performed according to Item 6 4 4 3 Connect the pipes according to Table 5 1 and this Installation amp Maintenance Manual 4 Completely seal the penetration part of the bottom Gas Pipe pipe with insulation in order to prevent rain water A Pipe Cover X Liquid Pipe entering into
60. l Insulate the unions and flare nuts at the piping connections completely Insulate the liquid piping and gas piping completely to avoid decreasing of performance and dewing on the surface of the pipe Insulation Field Supplied Refrigerant Piping Field Supplied Fig 8 2 Insulation on Pipes 47 8 3 Additional Refrigerant Charge Calculation Table 8 1 Additional Refrigerant Charge Calculation Although refrigerant has been charged into this unit additional refrigerant charge is required according to piping length Determine the additional refrigerant quantity according to the following procedure and charge it into the system Record the additional refrigerant quantity to facilitate maintenance and servicing activities thereafter 1 Calculating Method of Additional Refrigerant Charge W kg No Symbol Contents Additional Charge kg 1 Additional Refrigerant Charge Calculation for Liquid Piping W1 kg Total Piping Length Refrigerant Amount Additional Charge m for 1m Pipe kg 22 2 0 36 Pipe Diameter 19 05 x0 26 615 88 x0 17 012 7 x0 11 09 53 x0 056 66 35 m x0 024 Total Additional Charge For Liquid Piping 2 Additional Refrigerant Charge Calculation for Indoor Unit W2 kg Additional refrigerant charge is 1kg unit of 76KBtu h and 96KBtu h indoor unit Additional refrigerant charge of less than 76KBtu h indoor units is not needed 86 and 96 To
61. le E Remote Control Switch yx Remote Control Switch No 0 System Indoor Units No 1 System Indoor Units Fig 7 2 Instruction for Electrical Wiring Connection 41 7 5 Dip Switch Setting of Outdoor Unit TURN OFF all power sources before setting Without turning OFF the switches do not work and the contents of the setting are invalid However DSW4 No 1 2 4 can be operated during power source is ON The mark of W indicates the position of dip switches Set the dip switches according to the Fig 7 4 NO TE By using switch DSW4 the unit is started or stopped after 10 to 20 seconds after the switch is operated Number this outdoor unit to distinguish from other outdoor units for service 42 and maintenance And write the number in the space right Arrangement of Dip Switch Setting Push Switches Coho og Psw2 psw2 ew PSW2 LJ LI LI LI PSWS5 PSW1 PSW3 DSW4 DSW5 For EE SEG2 SEG1 Fane naw 2 PSW5 lt PSW1 p PSW3 DSW1 1 Rsw1 For v Enter For Checking Sau Checking BSW For Checking
62. mp 8 BE Cutter 13 Gauge Manifold 18 Hoist for Indoor Unit Megohmmeter Hexagon Wrench Gas Leak Detector Voltage Meter Use tools and measuring instruments only for the new refrigerant R410A which is directly touch to refrigerant A DANGER The pressure of refrigerant R410A is 1 4 times higher than that of conventional refrigerant impurities such as moisture oxide film and grease affect easily R410A Be sure to remove any moisture dust different refrigerant or refrigerant oil from the refrigerant cycle Therefore if the specified materials are not used it may cause explosion injury leakage electrical shock or fire NOTICE Check the design pressure for this product is 4 15MPa To avoid accidental mixing of the different refrigerant or different refrigerant oil the sizes of the charging connections have been changed It is necessary to prepare the following tools before performing the installation work oa lt Interchangeability is available with current R22 only for Refrigerant R410A No Interchangeability with R22 X Prohibited only for Refrigerant R407C No Interchangeability with R22 Interchangeabilit with oie ne Reason of Non Interchangeability and Attention Strictly Required Chamfering Reamer i 7 Removing Burrs Flaring Tool ve Ka The flaring tools for R407C are applicable to R22 Flaring for Tubes i If using flaring tube make dimension of tube larger Dimensional Control ease
63. n 57 15 88 H2 5710 66 1905 86 to 114 22 2 9 53 al lo ol lm ul lo 114 to 154 25 4 12 7 154 to 172 ect ica Indoor SR 172 to 250 28 6 15 88 Unit Unit Unit 25010345 31 75 19 05 Over 345 4 Pipe Diameter between Branch Pipe and Indoor Unit 4 indoor Unit KBtu 07 to 14 6 35 5 17 to 18 15 88 6 35 5 22 to 54 15 88 9 53 e Piping Work Conditions Allowable Piping Length 7 lt the recommended gt the recommended connectable number connectable number of Indoor Unit of Indoor Unit lt 1 000m 8 lt 300m Total Liquid Piping Total Piping Length Actual Length B SCH Actual Length Maximum Piping Length Equivalent Length Maximum Piping Length between Branch Pipe of 1st Branch and Each Indoor Unit k zom SC Maximum Piping Length between Each Branch Pipe and Each Indoor Unit L3 lt 40m zaam Piping Length between Manifold Pipe 1 and lt i0m lt 10m Each Outdoor Unit Height Difference between O U is Higher H1 Outdoor Units and Indoor Units O U isLower O U isLower is Lower Height Difference between Indoor Units lt 15m lt 15m Height Difference between Outdoor Units H5 lt 0 1m lt 0 1m 30 1 The Manifold Pipe is counted from the indoor unit side as Manifold Pipe 1 2 When the maximum length of the equivalent refrigerant pipe L1 from the outdoor unit Manifold Pipe 1 to the indoor unit is over 100m the p
64. ng of performance and dewing on the surface of the pipe Insulate the flare nut and union of the piping connection with insulation Check to ensure that there is no gas leakage If a large refrigerant leakage occurs it will cause difficulty with breathing or harmful gases would occur if a fire was being used in the room 49 8 5 Automatic Simple Judgement System for Refrigerant Amount Perform the refrigerant amount check operation according to the automatic judgement function after the refrigerant charging work When the judgement result is excessive refrigerant insufficient refrigerant or abnormal termination find out the cause of abnormality and perform the refrigerant amount check operation again lt Procedure of Refrigerant Amount Check Operation gt 1 Reassemble all the cover except for the electrical control box cover and service cover of No 1 unit 2 Turn ON the power supply of indoor unit and outdoor unit in the refrigerant cycle to be performed the refrigerant amount check operation Supply electrical power to the system 12 hours before starting this check operation to warm the compressor oil 3 Turn No 4 of DSW5 PCB1 ON 7 segment Display 4 Check the 7 segment display and press PSW1 The outdoor fan and compressor will be activated and the 7 segment display will be indicated the following figure The judgement takes 30 to 40 minutes Refer to the table below f
65. o the table for the outdoor unit model the Manifold Pipe model and the piping diameter 25 6 4 4 Stop Valve lt Gas Valve gt 2 3 4 5 1 Make sure that the all the spindles are closed completely Connect the charging hose to the service port and release gas from the gas pipe Cut the end of the closing pipe 6 35 and check that no gas exists inside the gas pipe Remove the stop valve cover Remove the closing pipe from the brazing portion by using a burner Pay attention to the flame from the burner not to burn the stop valve body Spindle Gas Valve Service Port Gas Pipe Details of Closing Pipe Lou Position Cut Here 6 35 Pipe Closina Pipe Stop Valve Cover Brazing Portion of __ Closing Pipe Sound Proof Cover Stop Valve Compressor Burner Ensure that there is no gas inside the pipe when removing the closing pipe Otherwise the pipe may be blown out and it may lead to injury Protect the return oil pipe and vibration proof of the compressor with the metal plate when using a burner e The details of stop valves are as follows lt Gas Valve gt Cap Tightening Torque 50 to 58N m Hexagonal Wrench To open or close spindle valve SES ZX ISN Spindle Valve Counterclockwise Open Clockwise Close Check Jo
66. ole for aE Power Supply Wiring Power Supply Wiring 952 2 Places 052 2 Places Cord Clamp Connection Hole for For Operation Wiring For fixing power supply wiring Transmission Wiring 26 Knock out Hole 38 Pay attention to the followings to run through the cables under the unit using conduit tube The pipe cover is required to remove before performing piping and wiring works NOTES 1 Do not lead the power supply wiring and transmission wiring through the same conduit tube Moreover keep at least 5cm between the power supply wiring and transmission wiring 2 Cut cross line at rubber bush accessory and securely attach it to the knock out hole for cable protecting 3 Attach the pipe cover to avoid entering rats or other small animals into the unit 4 Avoid the wirings from touching the refrigerant pipes plate edges and electrical parts inside the unit 5 Completely seal the end of conduit tube with sealing materials to avoid entering rain into the conduit tube 6 Make a drain hole at the lowest part of the conduit tube Liquid Piping Transmission Wiring Power Supply Wiring Tightly secure the power source wiring using the cord clamp inside the unit NOTE Fix the rubber bushes with adhesive when conduit tubes to the outdoor unit are not used Rubber Bush 39 74 Electrical Wiring Connection of Indoor Unit Outdoor Unit 1 Connect a power supply wiring to each outdoor unit Connect an EL
67. op valve 1 place is removed firstly 2 Refer to the item 6 2 for the flaring work 27 e Manifold Pipe Optional Parts Item Operation Type Outdoor Unit Model KBtu h Number for Cooling Heating Manifold Pipe Changeover Operation e Construction Example In Case of AVWT 345U6SZ Regarding the piping work for 190KBtu h and over refer to Installation amp Maintenance Manual attached to the Manifold Pipe lt Front Side or Rear Side Piping Connection gt Outdoor Unit A Manifold Pipe 1 l Gas 1 Outdoor Unit B Field Supplied Liquid Piping gt Gas Accessory Pipe i Gas Piping i Field Suppljed Manifold Pipe 2 Gas d Outdoor Unit C Gas Accessory Pipe Field Supplied i Field Supplied Manifold Pipe 1 i Liquid i Liquid Accessory i Pipe al S A J Field Supplied dr 424 ssl Ss Die Liquid Piping Sy Os Field Supplied Liquid Accessory Pipe Field Supplied Manifold Pipe 2 Liquid Piping Gas Piping Liquid Field Supplied Field Supplied Gas Piping Field Supplied lt Downward Piping Connection gt Outdoor Unit A Manifold Pipe 1 Gas 3 fe 8 Kaes Le Gas Piping JX 4 yY Field Supplied Liquid Piping Field Supplied S Outdoor Unit B H i 1 Ba Outdoor Unit
68. or the result indication When the judgement result is excessive refrigerant insufficient refrigerant or abnormal termination find out the cause of abnormality and perform the refrigerant amount check operation again Judgement Result Indication T segment Result Remarks Indication Sufficient The refrigerant amount is sufficient Refrigerant Turn No 4 of DSW5 OFF and perform Test Run The refrigerant amount is excessive Excessive Calculate the additional refrigerant amount according to the piping length Refrigerant Collect the refrigerant using a collector and charge the correct refrigerant amount The refrigerant amount is insufficient Insufficient Check if the additional refrigerant has been charged Refrigerant Calculate the additional refrigerant amount according to the piping length and charge the refrigerant Find out the cause of abnormal termination as shown below After resolved the cause of abnormal termination restart the check operation 1 Is No 4 pin of DSW5 ON before turning on the power supply 2 Are all indoor units ready and waiting before turned ON No 4 pin of DSW5 3 Is the outdoor ambient temperature within the applicable range 5 to 43 C In some cases when the connected indoor unit number exceeds the recommended number and the outdoor ambient temperature exceeds 35 C this check operation cannot be performed 4 Is the total indoor units operation capacity 30 indoor units capacity ratio or less
69. oreign material on the unit or inside the unit Provide a strong and correct foundation so that a The outdoor unit is not on an incline b Abnormal sound does not occur c The outdoor unit will not fall down due to a strong wind or earthquake The appliance is not to be used by children or person with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised that they do not play with the appliance Do not install the indoor unit outdoor unit remote control switch and cable within approximately 3 meters from strong electromagnetic wave radiators such as medical equipment Supply electrical power to the system to energize the oil heater for 12 hours before startup after a long shutdown Make sure that the outdoor unit is not covered with snow or ice before operation In some cases the packaged air conditioner may not be operated normally under the following cases In case that electrical power for the packaged air conditioner is supplied from the same power transformer as the device In case that the power source wires for the device and the packaged air conditioner are located close to each other electric furnace large sized induction motor and large sized switch Device Ex Lift container crane rectifier for electric
70. ow well and also performance may be deteriorated compared to other models Recommended Piping Length within 15m 31 e Piping Branch Restriction Follow the table below when performing the field supplied piping work Piping Length between Main Piping Branch Indoor Unit Branch Pipe First Branch Piping Length Capacity Ratio and Each Indoor Unit L2 After Branch Piping Branch After Main Branch atb c lt 30m or without Limit atb c gt 30m and within 2 dtetf gt 30m within 41m to 90m NOTE Main Piping Branch Distribution from One 1 Branch Pipe to Two 2 Branch Pipes The number of main piping branch depends on the piping length after branch a to f lt 40m a b C Main Piping Branch Indoor Indoor Unit Unit e f Indoor Indoor Unit Unit x Main piping branches are 2 portions x Indoor unit capacity ratio is less than 40 Within 41 90m Within 41 90m Indoor Unit Capacity Ratio 20 E CH Indoor Unit Capacity Ratio 80 First Main Branch First Main Branch IO Second Main Branch Fig 1 Fig 2 32 7 Electrical Wiring Turn OFF the main power switch to the indoor unit and the outdoor unit and wait for more than 3 minutes before electrical wiring work or a periodical check is performed Check to ensure that the indoor fan and the outdoor fan have stopped before electrical wirin
71. railway inverter power device arc furnace It consumes a large quantity of electrical power Regarding the cases mentioned above surge voltage may be inducted in the power supply wiring for the packaged air conditioner due to a rapid change in power consumption of the device and an activation of switch Therefore check the field regulations and standards before performing electrical work in order to protect the power supply for the packaged air conditioner NOTE It is recommended that the room will be ventilated every 3 to 4 hours The heating capacity of the heat pump unit is decreased according to the outdoor air temperature Therefore it is recommended that auxiliary heating equipment be used in the field when the units is installed in a low temperature region Operate the heat pump air conditioner within this range Regarding installation altitude below 1000m Regarding frequency of supply power within 1 Hz of rated frequency Regarding transport storage temperature within 25 55 C 2 Structure 2 1 Outdoor Unit amp Refrigerant Cycle Regarding structure drawings and refrigerant cycle diagram please refer to Technical Catalogue 2 2 Necessary Tools and Instrument List for Installation wl Toot Nel Tool no Too Del Toor 1 Handsaw 6 Copper Pipe Bender 11 Spanner 16 Leveller ge F f 8 Camper for 2 Phillips Screwdriver 7 Plier 12 Charging Cylinder 17 Saidarase Terminals 3 Vacuum Pu
72. rigerant Fluorocarbon for this unit is incombustible non toxic and odorless However if the refrigerant is leaked and is contacted with fire toxic gas will generate Also because the fluorocarbon is heavier than air the floor surface will be filled with it which could cause suffocation The installer and system specialist shall secure safety against refrigerant leakage according to local regulations or standards Use an ELB Earth Leakage Breaker In the event of fault there is danger of an electric shock or a fire if it is not used Do not install the outdoor unit where there is high level of oil mist flammable gases salty air or harmful gases such as sulfur For installation firmly connect the refrigerant pipe before the compressor starts operating For maintenance relocation and disposal remove the refrigerant pipe after the compressor stops Do not perform a short circuit of the protection device such as a pressure switch when operating It may cause a fire and explosion Do not use any sprays such as insecticide lacquer hair spray or other flammable gases within approximately one 1 meter from the system If circuit breaker or fuse is often activated stop the system and contact your service contractor Check that the ground wire is securely connected If the unit is not correctly grounded it lead electric shock Do not connect the ground wiring to gas piping water piping lighting conductor or ground w
73. ring Brazing Stop Valve and Air Tight Test Liquid Line Manifold Gauge oe Siphonic Refrigerant Cylinder 7 Ch R410A Vacuum Pump Weigher Stop Valve Gas Line Gas Line Liquid Line Indoor Unit Branch Pipe Insulation Cover the gas and liquid pipe with insulation Fig 8 1 Vacuum Pumping and Refrigerant Charge 8 2 Vacuuming 1 Connect a manifold gauge and vacuum pump to the check joints Gas Stop Valve Liquid Stop Valve 2 Continue vacuum pumping work until the pressure reaches 0 1MPa 756mmHg or lower for one to two hours After vacuum pumping work stop the manifold valve s valve stop the vacuum pump and leave it for one hour Check to ensure that the pressure in the manifold gauge does not increase 3 Tighten the cap of check joint 9 to 14N m for gas valve 14 to 18N m for liquid valve after the vacuum pumping work NOTES 1 If tools or measuring instruments come into contact with the refrigerant use the tools or the measuring instruments exclusive for R410A 2 If vacuum degree of 0 1MPa 756mmHg is not available it is considered that there is a gas leakage Check for any gas leakage once again If no leakage exists operate the vacuum pump for one to two hours NOTICE e Insulate the refrigerant pipes as shown in Fig 8 2 After connecting the refrigerant piping seal the refrigerant pipes by using the field supplied insulation Stop Valve materia
74. s of S _ S _ _ function No and external input output settings are as shown below 6 noe of HI D 19 Ge UE DU Setting of External Input and Output Function Protection of Decrease S Function Input Output 7 Priority Capacity Mode rm y D 20 in Outlet Temperature E EI i No for Cooling 1 Fixing Heating Operation Mode Operation Signal Compressor zee 2 Fixing Cooling Operation Mode Alarm Signal 8 Frequency Control He D 21 Not Prepared Fi D 3 Demand Stoppage Compressor ON Signal Target Value for Cooling S Compressor Adjustment of SS 4 Outdoor Fan Motor Start Stop Defrost Signal o Frequency Control H D r 1 22 Fan Rotation E o i 1 5 Forced Stoppage Target Value for Heating for multiple installation 6 Demand Current Control 40 Indoor Expansion Valve P n NE e 7 Demand Current Control 60 a 10 gontrol argat Value Jk uw 23 Not Prepared Li LU for Cooling 8 Demand Current Control 70 H Indoor Expansion Valve z z 9 Demand Current Control 80 11 Control Target Value GH H 24 Not Prepared Fi D 10 Demand Current Control 100 for Heating a 11 Low Noise Setting 1 c EI co EI 12 Low Noise Setting 2 S 12 Not Prepared a LI 25 Not Prepared me uw 13 Low Noise Setting 3 P 0 No Setting No Setting 13 Not Prepared ei CO D 26 Not Prepared E EI 0 different input output terminals The same input output function setting can not be set to If set a setting of larger function number is became invalid
75. ss Pipe 45 Device Device Clogging Excessive Refrigerant Inert Gas Mixing Activation of Low Pressure Decrease Protection Insufficient Refrigerant Refrigerant Piping Clogging 47 Device Vacuum Operation Protection Expansion Valve Locking at Open Position Loose Connector 48 Activation of Inverter Overcurrent Protection Device Overload Operation Compressor Failure 51 Sensor Abnormal Inverter Current Sensor Current Sensor Failure e A Driver IC Error Signal Detection Protection for 53 Inverter Error Signal Detection Overcurrent Low Voltage Short Circuit Inverter z Abnormal Inverter Fin Thermistor 54 Abnormality of Inverter Fin Temperature Heat Exchanger Clogging Fan Motor Failure 55 Inverter Failure Inverter PCB Failure ER Driver IC Error Signal Detection Protection for Overcurrent 57 Activation of Fan Controller Protection Low Voltage Short Circuit Instantaneous Overcurrent 5A Abnormality of Fan Controller Fin Temperature e Failure Heat Exchanger Clogging Fan an Motor Failure 5b Controller Activation of Overcurrent Protection Fan Motor Failure e Failure of Current Sensor Instantaneous Overcurrent Sc Abnormality of Fan Controller Sensor Increase of Fin Temperature Low Voltage Earth Fault Step Out e This alarm code appears when the following alarms Compressor Protection Alarm R Grp EE Compressor It is can not be reset from remote Controller occurs three times within 6 hours 02 07 08 39 43 to 45 47 b1 Outdoor Uni
76. t Bottom Base Bottom Base 98_ 227 300_ 227 Drain Hole 26 x 2 98 227 560 227 Drain Hole 626 x 2 oo a ae Drain Boss Position Option Drain Boss Position Option Drain Hole 26 x 2 Drain Cap Position Option Le KI N e Aa N Es N k wo Q Drain Hole 26 x 2 Drain Cap Position Option ts Power Source Connection Power Source Connection Refrigerant Piping Connection 952 Knock out Hole 052 Knock out Hole Refrigerant Piping Connection Control Circuit Connection 235 x 113 Square Hole 626 x 2 Knock out Hole 235 x 113 Square Hole Control Circuit Connection 026 x 2 Knock out Hole e Drain Boss Optional Parts The drain boss is for the drain pipe connection in order to use outdoor unit bottom base as a drain pan DBS 26 Component Formation of Drain Boss Parts Name Material Color Q ty Application PP Black Connecting for Drain Piping DBS 26 PP Black Embolization for Drain Hole Rubber Cap CR Black Sealing for Boss and Cap lt Installation Position gt Example AVWT 96U6SR lt Side View gt Drain Cap Position 247 91 i Rear Side 52 y Front Side LWD A Bottom Base 73 Drain Cap Drain Pipe Drain Boss Position 2 Places Drain Boss Field Supplied Outdoor Unit Rear Side 6 Refrigerant Piping Work A DAN
77. t Incorrect Outdoor Unit Address Number Over 64 Number is Set for Address or Refrigerant No Setting or Unit Number Setting Cycle Indoor Unit i More than 17 Non Corresponding to Hi NET II b5 No Setting Incorrect Indoor Unit Connection Number Setting Units are Connected to One System 58 10 Safety and Control Device Setting e Compressor Protection The compressor is protected by the following devices and their combinations 1 High Pressure Switch This switch cuts out the operation of the compressor when the discharge pressure exceeds the setting 2 Oil Heater This band type heater protects against oil foaming during cold starting as it is energized while the compressor is stopped Model KBtu h ee 114 For Compressor Automatic Reset Non Adjustable Pressure Switches each one for each compressor 0 05 0 05 0 05 High Cut Out MPa 4 15 015 4 15 015 4 15 015 Cut In MPa 3 20 0 15 3 20 0 15 3 20 0 15 Fuse Capacity 380 415V 3N 50Hz 40x2 Oil Heater Capacity CCP Timer Setting Time For DC Fan Module Fuse Capacity Non Adjustable 3 380 415V 3N 50Hz A 20x1 20x1 20x1 Model KBtu h For Compressor Pressure Switches High Cut Out Automatic Reset Non Adjustable each one for each compressor 0 05 4 15 015 3 20 0 15 MPa 3204015 Fuse Capacity 380 415V 3N 50Hz 40x2 32x2 40x2 32x2 Oil Heater Capacity CCP Timer Setting Tim
78. tal Indoor Unit Numbers Additional Charge 3 W3 The Ratio of Indoor Unit Connection Capacity Indoor Unit Total Capacity Outdoor Unit Capacity Additional Charge Determine the ratio of indoor unit connection capacity Condition Refrigerant Amount e U Capacity Ratio is less than 100 0 0kg e U Capacity Ratio is 100 115 0 5kg e U Capacity Ratio is 116 130 1 0kg kg 4 W Calculation of Additional Charge W kg W1 W2 W3 kg Note Ensure that the total additional charge should not be exceeded the max additional refrigerant charge quantity as shown in the table below lt Max Additional Refrigerant Charge Quantity gt Outdoor Unit KBtu h 86 96 136 154 190 232 250 460 Max Additional Ref Charge Quantity kg 2 Charging Work Charge refrigerant R410A into the system according to Item 8 4 3 Record of Additional Charge Total refrigerant charge of this system is calculated in the following formula Total Ref Charge This System W Wo Ref Charge Amount of O U Before Shipment WO kg kg Outdoor Unit KBtu h WO Outdoor Unit Ref Charge kg Total Additional Charge W kg Total Ref Charge kg Date of Ref Charge Work Note e WO is outdoor unit ref charge before shipment e In case of the combination of the base unit calculate the total ref charge before shipment of the outdoor units to be combined
79. terminal of the electrical parts If not do not operate the system until the electrical leakage is found and repaired Refer to Caution for Insulation Resistance for details Do not impress the voltage on the terminals for transmission Outdoor Unit TB2 1 2 3 4 Indoor Unit TB2 1 2 A B HCH Unit TB2 1 2 3 4 3 Check to ensure that each wire L1 L2 L3 and N is correctly connected at the power source If incorrectly connected the unit will not operate and the remote control switch will indicate the alarm code 05 In this case check and change the phase of the power source according to the attached sheet on the reverse side of the service cover 4 Check to ensure that the switch on the main power source has been ON for more than 12 hours to warm the compressor oil by the oil heater FSXN series outdoor units does not operate within 4 hours after power supply Stoppage Code d1 22 In case of operating within 4 hours release the protection control as follows 1 Supply power to the outdoor unit 2 Wait for 30 seconds 3 Push PSW5 on the outdoor PCB more than 3 seconds in order to release the d1 22 In case of using remote control switch for release push Air Flow and Auto Louver switch simultaneously for 3 seconds 5 Main Unit Label In case of the combination of base units attach the main unit label on a visible spot of the main unit outdoor unit A so that the outdoor unit A can be identified
80. ti pole main switch with a space of 3 5mm or more between each phase NOTES 1 When the power supply wiring is longer select the minimum wiring size which the voltage drop is within 2 2 Power supply voltage should be satisfied with the followings Supply Voltage Rated Voltage within 10 Starting Voltage Rated Voltage within 15 Operating Voltage Rated Voltage within 10 Imbalance between Phases within 3 3 Do not connect the earth wire to the gas pipe water pipe lightening conductor Gas Pipe An explosion and ignition may occur when gas leaks Water Pipe There is no effect of earth wire when a hard vinyl pipe is used Lightening Conductor The earth electric potential abnormally increases when a lightening conductor is used 37 7 3 Electrical Wiring for Outdoor Unit Connect the electrical wirings according to the following figure 1 Connect the power supply wires to L1 L2 L3 and N for 380 415V for the three phase power source on the terminal board TB1 and earth wire to the terminal in the electrical control box 2 Connect the transmission wires between the outdoor and indoor units to the TB2 terminals 1 and 2 on the PCB1 As for the transmission wires between outdoor units in the same refrigerant cycle connect them to the TB2 terminals 3 and 4 on the PCB1 3 Tighten screws for the terminal board according to the following table lt Required Tightening Torque gt M4 1 0 to 1 3 N m M5 2 0to2 4 N m M6 4 0 to
81. tion Do not remove CORRECT corrugated paper frame and plastic bands Wire Rope Square Hole I E O INCORRECT Wire Rope Square Hole Apply rope through E58 the square holes QS Angle of wire rope is more than 60 Apply rope on the splints or corrugated paper of more than 15mm thickness Do not apply any force to thise place Both Sides Fig 4 2 Hanging Work without Wooden Base When using forklift do not insert forks into the holes on the unit side The unit may be damaged E TT EERE ei ann e is The holes on i the unit side Forks NOTE Do not apply excessive force to the square holes with forks or other materials The bottom of the unit may be deformed Do not push the bottom base by fork Do not use roller Do not apply excessive force Both Sides In case of transportation after unpacking protect the unit with the splints or cloth 4 2 Handling of Outdoor Unit Do not put any foreign material into the outdoor unit and check to ensure that none exists in the outdoor unit before the installation and test run Otherwise a fire or failure etc may occur 10 5 Outdoor Unit Installation 5 1 Factory Supplied Accessories Check to ensure that the following accessories are packed with the outdoor unit Table 5 1 Factory Supplied Accessories Connection for SS A
82. wing equation R Total Quantity of Charged Refrigerant kg V Room Space Where This Unit Is to Be Installed m C Refrigerant Concentration lt 0 3 kg m If local codes or regulations are specified follow them lt lt lt Example gt Japanese Standard KHK S 0010 C 0 3 kg m 51 9 Test Run Test run should be performed according to the Item 9 2 And use the Table 9 1 for recording test run Do not operate the system until all the check points have been cleared As for the test run of indoor unit check Installation amp Maintenance Manual attached to the indoor unit 9 1 Before Test Run 1 Check to ensure that the refrigerant piping and transmission between outdoor unit and indoor units are connected to the same refrigerant cycle If not it will cause an abnormal operation and a serious accident Check that the dip switch setting of the refrigerant cycle No DSW1 amp RSW1 O U DSW5 amp RSW2 I U and the unit number RSW for the indoor units apply to the system Confirm that the dip switch setting on the printed circuit board of the indoor units and the outdoor units are correct Especially pay attention to the setting of lift between indoor units and outdoor unit the refrigerant No and the end terminal resistance Refer to the chapter 7 Electrical Wiring 2 Check to ensure that the electrical resistance is more than 1 megohm by measuring the resistance between ground and the

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