Installation & Maintenance Manual
Contents
1. Rear Side Piping Work Knock Out Hole Right Side Piping Work Front Side Piping Cover Knock Out Hole Bottom Side Front Side Piping Work Piping Work Knock Out Hole Knock Out Hole Note Item for Remove Service Cover Main Points for Remove Service Cover Service Remove the bolts of service cover follow right Fig Note Press the service cover when remove the bolts It is possible for service cover to slide down Fix Hook 3 Points Press the service cover at front then remove it down slowly Fig 5 2 Remove Service Cover 1 Confirm that the valve is closed 2 Prepare a field supplied bend pipe for liquid line Connect it to the liquid valve by flare nut through the square hole of bottom base 3 For Gas Piping Connection Prepare a field supplied bend pipe for gas line Braze it and the factory supplied pipe flange at the outside of the unit Do not apply the double spanner work here Refrigerant leakage shall occur SN Aj Double Spanner Work Tightening Work for Stop Valve Remove Direction of B Distribut Pipe Fi Front Side Piping Cover Table 5 6 Tightening Torque for Flare Nut Pipe Size 06 35 1 4 20N m 2kgf m D9 53 3 8 40N m 4kgf m 612712 60N m 6kgf m D 15 88 5 8 80N m 8kgf m 4 Pipes can be connected from 4 directions as shown Fig 5 1 Make a knock out hole in the front pipe cover or bottom base to pass through the h2. Hisense Installation amp Maintenance Manual INVERTER DRIVEN MULTI SPLIT AIR CONDITIONER HEAT PUMP NG hi pa l s llys luya ul Qutdoor Units AVW 38UCSC AVW 48UCSC AVW 54UCSC IMPORTANT READ AND UNDERSTAND THIS MANUAL BEFORE USING THIS HEAT PUMP AIR CONDITIONERS KEEP THIS MANUAL FOR FUTURE REFERENCE P00415Q 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 purposes such as drying clothes refrigerating foods or for any other cooling or heating process The installer and system specialist shall secure safety against leakage according to local regulations or standards The following standards may be applicable if local regulations are not available British Standard BS4434 No part of this manual may be reproduced without written permission Signal words DANGER WARNING and CAUTION are used to identify levels of hazard seriousness Definitions for identifying hazard levels are provided below with their respective signal words ADANGER AWARNING Hazards or unsafe practices which
3. J eee Indoor Unit over the flare nut and union of the oe piping connection with thermal insulation Insulate the liquid pipe for prevention of the capacity decrease according to the Liquid Line ambient air conditions and See the dewing on the pipe surface with thermal insulation Gas Line Check to ensure that there is no gas leakage When large amount of the refrigerant leaks the troubles as follows may occur 1 Oxygen Deficiency Gas Line Stop Valve 2 Generation of Harmful Gas Due to Chemical Reaction with Fire Liquid Line Stop Valve Nitrogen Tank i 7 for Air Tight Test 7 and Manifold Nitrogen Blow Gauge during Brazing Vacuum Pump At the test run fully open the spindle If not fully opened the devices will be damaged An excess or a shortage of refrigerant is the main cause of trouble to the units Charge the correct refrigerant quantity according to the description of label at the inside of service cover Check for refrigerant leakage in detail 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 1 Maximum Permissible Concentration of HFC GAS R410A charged in the DC INVERTER 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 HCFC gas R410A in air is 0 3kg m
4. 11 Check Joint 12 Stop Valve for Liquid Line Stop Valve for Gas Line Pressure Switch High Pressure Protect 15__Pressure Sensor __High Pressure Pressure Pressure Sensor Low Pressure NO a 06 35 x0 7 t b 6 35 x1 07t 012 7 x1 0 t 015 88 x1 0 t 015 88 x1 2 t 09 53 x08 t C1220T_0 e 5 6 7 8 9 10 2 2 Necessary Tools and Instrument List for Installation EC O AG 9G CT Copper Pipe Bender KIN n11 Spanner Leveller KO rewler for Solder ers So peo fo orero To Eramaa Dalaga o eena fo erev Megohmmeter Hexagon Wrench Gas Leak Detector Voltage Meter Use tools and measuring instruments only for the new refrigerant which is directly touch to refrigerant lt Interchangeability is available with current R22 only for Refrigerant R410A No Interchangeability with R22 Xx Prohibited only for Refrigerant R407C No Interchangeability with R22 Interchangeability ma Measuring Instrument and Tool with R22 Reason of Non Interchangeability and Attention R4i0A 1 R407C Strictly Required Pipe Cutter Cutting Pipe Chamfering Reamer Removing Burrs Flaring Tool The flaring tools for R407C are applicable to R22 Flaring for Tubes Emaon If using flaring tube make dimension of tube Dimensional Control Adjustment Gauge larger for R410A for Extruded Portion In case of material 1 2H flaring is not available of Tube after Flaring In case of material 1 2H bending is
5. ADAN ANNA GA 4 Outdoor Unit Installation AA AN 5 4 1 Factory Supplied Accessories aaa AA 5 NAVAN NCU erse A AEE 5 A GENIC OPACO titra arr cated AANO E EE E R OEE 6 Aa Mstalaton NOKIA ANONG AAP NN iA EEEE ES e o RSR i 6 RemgerantPIDING VOU sn2cec ceca cesmnseseannscedsuseaeentierttenesiacactevant pio niedestnadeeperenteaneareere hems ciecinoneeted 8 9 1 Piping BEE aeeetatinmaendaecuiatmectisetcadedenuanieementee 8 5 2 Refrigerant Piping Work 2 9 a BANO akO NGA GANG AN LA AA 12 54 Piping CONNEC ION Lama KANINA NAL AA E AER PREE EEEE Eaa 13 55 Air 9 l lt a eee a ea i ERTE PAP 14 5 6 Vacuum Pumping and Charging Refrigerant XXQX aa 15 5 7 Caution of the Pressure by Check Joint 2 X aaa 17 5 8 Fill the charge Refrigerant Register List 18 99 Colecing AA steadier A E 19 ECC T AA 19 61 General CHECK AANGAL ANE AEA O EEE NEn nee 19 62 Electrical Winng Connectiol se cse oc tencteacameccdcedsnvcsassseada sare Er a EEEE 20 Outdoor Unit Dip Switeh S CHING cccccccesencexesicccccsssennmasentnnidaladesedeseabedenstedtehwalsativentesialacsenteseaubesis 23 TESE U a E E E R E 24 9 Safety and Control Device BEING aan aaa AA naaa deneldleaeectxeees tonnes 28 1 Safety Summary MWARNING Do not perform installation work refrigerant Do not install the indoor unit outdoor unit piping work drain piping and electrical remote control switch and cable wi
6. COULD result in severe personal injury or death ACAUTION Hazards or unsafe practices which COULD result in minor personal injury or product or property damage Immediate hazards which WILL result in severe personal injury or death NOTE Useful information for operation and or maintenance It is assumed that this heat pump air conditioner will be operated and serviced by English speaking people If this is not the case the customer should 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 as for other models Install these air conditioners by local regulations or standards This heat pump air conditioner has been designed for the following temperatures Operate the heat pump air conditioner within this range Temperature C Cooling 23WB 15WB Operation 16 DB Heating 30 DB 15 DB Operation 15 5 WB 20 WB DB Dry Bulb WB Wet Bulb NOTE These air conditioners only are appliable of cooling or heating mode do not operate cool and heat mode together if operate cool and heat mode at the same time air conditioner system will be fluctuated for large difference in temperature for changing operate mode This manual should be considered as a permanent part of the air conditioning equipment and should rema
7. Indication or flash The unit does not The connection of the thermistors Check by the abnormality mode table 8 3 except above start or starts once or other connectors are incorrect Do it by service people and then stops Tripping of protector exists or elses The operation lamp The unit does not The connection of the remote Check by the abnormality mode table 8 3 flashes 1 time 1 sec start control cable between indoor units Do it by service people And the Unit No 00 is incorrect Alarm Code dd and Unit Code E 00 flash Back to 1 after checking Alarm Code Indication of Remote Control Switch Model Code Abnormal Ref Connected No Model Heat pump P Inverter Abnormal Indoor Cycle No Alarm Code Model Code of Indoor Units Alarm Code Unit No p Multi C Cooling Only DE Others 24 Table 8 2 Test Run and Maintenance Record MODEL SERIAL No COMPRESSOR MFG No CUSTOMER S NAME AND ADDRESS DATE 1 Is the rotation direction of the indoor coil fan correct 2 Is the rotation direction of the outdoor coil fan correct 3 Are there any abnormal compressor sounds 4 Has the unit been operated at least twenty 20 minutes 5 Check Room Temperature Inlet No 1 DB WB c No 2 DB WB c No 3 DB WB c No 4 DB WB Outlet DB WB DB WB DB WB DB WB QUO 6 Check Outdoor Ambient Temperature Inlet DB C WB C Outlet DB C WB C 7 Check Refrigerant
8. Leakage Breaker fire at the worst 2 FUSE The tightening torque of each screw shall be as Outdoor Unit Power Source GB S Main Switch follows 220 240V 50Hz 4 Power Source Wiring O U M4 1 0 to 1 3 N m 5 Earth Wiring O U M5 2 0 to 2 5 N m I ELB 6 Transmission Wiring O U I U M6 4 0 to 5 0 N m FuseE 7 Power Source Wiring I U M8 9 0 to 11 0 N m po 8 Earth Wiring I U M10 18 0 to 23 0 N m I s o Keep the above tightening torque when wiring work Install main switch and ELB for each system ssi nann a AN ANA Indoor Unit Side separately Select the high response type ELB that is acted within 0 1 second Unit Separate the control wiring between outdoor unit and indoor unit more than approximately 5 to 6cm from power supply wiring Do not use a coaxial cable Outdoor Indoor Unit Power Source 220 240V 50Hz 20 Table 6 1 Electrical Data and Recommended Wiring Breaker Size 1 Outdoor Unit Maximum Power Source Transmitting Earth ELB Running Cable Size Cable Size Wire Nominal Nomina Fuse Model Current EN60335 1 1 EN60335 1 1 Size Current Sensitive A A mm mm mm A Current mA 38 54 28 6 0 0 75 6 0 40 30 40 1 Refer to the NOTES for selection of the power source cable size ELB Earth Leakage Breaker NOTES 1 Follow local codes and regulations when selecting field wires 2 The wire size
9. Temperature Liquid Temperature 2 Discharge Gas Temperature KG 8 Check Pressure Discharge Pressure MPa Suction Pressure MPa 9 Check Voltage Rated Voltage V Operating Voltage V Starting Voltage V 10 Check Compressor Input Running Current Input kW Running Current A 11 Is the refrigerant charge adequate 12 Do the operation control devices operate correctly 13 Do the safety devices operate correctly 14 Has the unit been checked for refrigerant leakage 15 Is the unit clean inside and outside 16 Are all cabinet panels fixed 17 Are all cabinet panels free from rattles 18 Is the filter clean 19 Is the heat exchanger clean 20 Are the stop valves open 21 Does the drain water flow smoothly from the drain pipe JUUUUU UU 25 Table 8 3 Alarm Code Category Content of Abnormality Leading Cause att High Water Level in Drain Pan Indoor Unit Activating of Protection Device Activated Float Switch Z 01 Activated High Pressure Switch Activating of Protection Device Locked Motor in Cooling Operation 02 Outdoor Unit Except Alarm Code 41 and 42 Abnormality of Power Supply Phase Incorrect Wiring Loose Terminals Abnormality between Indoor and Outdoor Disconnected wire Tripping of Fuse Transmission Abnormality between Inverter and Control PCB Failure in Transmission of PCB for Inverter Supply Abnormality of Power Supply Phases Abnormal Waveform of one o
10. Turn OFF the main power switch to the indoor unit and the outdoor unit and wait for more than 1 minute 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 wiring 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 at the worst a fire will occur 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 Tightly secure the power source wiring using the cord clamp inside the unit 6 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 Make sure that the components comply with National Electrical Code NEC 2 Check to ensure that the voltage of power supply is within 10 of nominal voltage and earth phase is contained in the power supply wires If not electrical parts will be damaged 3 Check to ensure that the capacity of power supply is enough If not the compressor will be not able to operate cause of voltage drop abnormally at starting 4 Check to ensure that the earth wire is connected 5
11. 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 SAFETY SUMMARY 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 start up after a long shutdown Do not step or put any material on the product 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 they do not play with the appliance NOTE It is recommended that the room 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 rec
12. on the product kg Apply two lifting wires onto the outdoor unit when lifting it by crane Outdoor Unit Model Net Weight KBtu h 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 ropes as shown in Fig 3 1 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 4 Outdoor Unit Installation Direction of Strong Wind 4 1 Factory Supplied Accessories O Check to ensure that the following accessories are packed with the outdoor unit Table 4 1 Factory Supplied Accessories Recommend for Anchor Bolts PF ESIS EI CLL ES rs Direction of Air Discharge NOTE e Incase of installation in the open spaces _ a unavoidably where there is no buildings or If any of these accessories are not packed with surrounding structures adopt the wind guard the unit please contact your contractor set or install near the wall to avoid facing the wind directly Ensure that the service space should be secured 4 2 Initial Check Aang wine a e Install the outdoor unit where good ventilation is available and where it is dry e Install the outdoor unit where the sound or the discharge air from the outdoor unit does not affect neighbor
13. outdoor unit in a space with limited access to general public NOTE e 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 Install the outdoor unit on a roof or in an area where people except service engineers can not touch the outdoor unit 4 3 Service Space Install the outdoor unit with a sufficient space around the outdoor unit for operation and maintenance as shown below Fig4 1 Upper Side is Open Keep a distance of 100mm between right side at least mm Single Installation Single Installation Multiple Installation Left Right amp Upper Side is Open Keep a distance of 100mm between right side at least Fig 4 1 Installation Space 4 4 Installation Work 1 Secure the outdoor unit with the anchor bolts Air Flow Direction Base of Outdoor Unit Fig 4 2 Installation of Anchor Bolts Fix the outdoor unit to the anchor bolts by special washer of factory supplied accessory 2 When installing the outdoor unit fix the unit by anchor bolts Refer to Fig 4 3 Fig 4 3 Position of Anchor Bolts NOTE When the mark dimension is secured piping work from bottom side is easy without interference of foundation 3 Example of fixing outdoor unit by anchor bolts Max 21mm After cut A Cut this portion when this type of paa bolt is used a Concrete Anchor Bolt
14. sludges resulting in clogging or compressor failure fSsoures Connection diameter is different R410A UNF 1 2 R407C UNF7 16 Charging Cylinder Xx x Use the weight scale Pe Measuring Weight Scale Instrument for Refrigerant Charging Refrigerant Gas The current gas leakage detector R22 is not Gas Leakage Check Leakage Detector applicable due to different sere method Xx Interchangeability with R407C Vacuum Pump 3 Transportation and Handling 3 1 Indoor Unit amp Outdoor Unit Matching Below Indoor Unit matching Hi Smart L outdoor unit Table 3 1 Indoor Unit Model Rated Capacity KBtu h 07 14 17 18 Ceiling Ducted Type High Static Pressure Ceiling Ducted Type Low Static Pressure Low height Ceiling Ducted Type Indoor Unit Slim Ceiling Ducted Type 4 Way Cassette Type of fe Tf Fig 3 1 Hanging Work for Transportation Wall Mounted Type Allow If have no package to move Please protect with Indoor Unit total Capacity must be 50 to 130 for cloth or paper Outdoor Unit Rated Capacity Table 3 2 System Matching Rated Capacity KBtu h Outdoor Unit Model Min Matching Max Matching Matching Min Single C apa city KBtu h Capacity Capacity Quantity Operate Capacity KBtu h KBtu h KBtu h 1 19 24 2t06 07 19 4 3 2 Transportation Transport the product as close to the installation location as practical before unpacking Do not put any material
15. 05 are indicated on the remote gol O O control switch the connection of remote control He canes Gai CHECK O O N me A O d Pe cable is correct If no indication appears or the number of the units indicated is smaller than the actual number of the units some abnormalities exist Remote Control Switch Wrong Portions Inspection Points after the Power Source OFF Indication No Indication The power source of outdoor unit is not turned ON 1 Connecting Points of Remote Control Cable Terminal The connection of the remote control cable Board of Remote Control Switch and Indoor Unit is incorrect 2 Contact of Terminals of Remote Control Cable The connecting wires of power supply line 3 Connecting Order of each Terminal Boards 4 Screw Fastening of each Terminal Boards Remote Control Switch are incorrect or loosed Counting The power source of outdoor unit is not turned ON number of The operating line wiring between indoor unit and connected units outdoor unit is not connected is incorrect Back to 1 after checking 4 Select TEST RUNNING MODE by depressing MODE switch COOL or HEAT 5 Depress RUN STOP switch The TEST RUN operation will be started The 2 hours OFF TIMER will be set and the TEST RUN operation will be finished after 2 hours unit operation or by depressing the RUN STOP switch again NOTE The TEST RUN operation ignores the temperature limitation and ambient te
16. 0m H2 10m L 3 30m Lt 75m Max Saving Length Lt Lt 75m Total Pipe Lentth Max Pipe Length to Lt LO L1 L2 L3 L4 Outdoor is Higher than na High Distance maaarilai H1 530m Je EGR eer Indoor is Higher than i lt and Indoor Unit Odoorn H1 30m Max High Distance betwen Indoor and Indoor or Indoor and Branch Pipe H2 10m Max Pipe Length From a Branch Pipe to L lt 30m Pipe and Indoor From every Branch Pipe to Indoor of connecting LO L1 L2 L3 L4 L5 10m see a 38 54 a b c d e with HFQ 052F otal refrigerant charge lt Example gt of this system is calculted AVW 54UCSC in the following formula baal W W11 W12 kg as Lto 120m thereint 7 Length 21 5 3 8 8 5 8 W11 kg 9 53 Total Liquid Length m X 0 04 W12 kg 6 6 35 Total Liquid Length m x 0 02 W11 21 x 0 04 0 84kg W12 5 3 5 3 5 3 x 0 02 0 48kg W W11 W12 kg 1 32kg 10 5 3 Branch Pipe for Line Branch Table 5 5 T Shape Branch Pipe FO 052 015 88 xt1 2 Gas x Line 015 88 xt1 2 015 88 xt1 2 09 53xt0 8 ss i NG Sy ID9 7 Liquid Line ID9 7 09 53 x t0 8 D9 53 x 10 8 Unit mm ID Inner Diameter OD Outer Diameter 11 5 4 Piping Connection Pipes can be connected from 4 directions Rear Side Piping Cover Knock Out Hole
17. Check to ensure that the electrical resistance is more than 1 megohm by measuring the resistance between ground and the terminal of the electrical parts If not do not operate the system until the electrical leakage is found and repaired 2 Connect the wires between the outdoor and indoor units to terminals 1 and 2 on the terminal board If power supply wiring is connected to 1 and 2 of terminal board TB1 printed circuit board will be damaged Refer to Fig 6 1 6 2 Electrical Wiring Connection 1 Connect the power supply wires to the terminal board in the electrical control box of both outdoor unit and indoor unit And connect the earth wire to the electrical control box of outdoor unit In addition connect the earth wire to earth screw in the electrical control box of indoor unit Refer to Fig 6 2 CORRECT ONE PHASE Remote Control Switch Option 1P 220 240V 50Hz 1P 220 240V 50Hz kz ELB for Indoor Unit LA ELB for Outdoor Unit FUSE H Outdoor Unit Switch amp Remote Control Switch Option FUSE Switch Fig 6 1 One phase indoor unit and outdoor unit communication wire connection NOTES 1 In case of total wiring length at intermediate wiring between outdoor unit and indoor unit and between indoor units is less than 100m it is possible to use the normal wiring more than 0 75mm 7 except twist pair cable 2 Total wiring length for remote control switch 3 Do
18. If not it is difficult to remove the service cover Fig 4 4 Fixing Example 4 Fix the outdoor unit firmly so that declining making noise and falling down by strong wind or earthquake is avoided Fixing Plate Field Supplied Both sides on the unit fixing can be possible When vibration measures are necessary add vibration proof rubber Field Supplied el Fig 4 5 Additional Fixing Arrangement 5 When installing the unit on a roof ora veranda drain water sometimes turns to ice in a cold morning Therefore avoid draining in an area where people often use because it is slippery 6 In case of the drain piping is necessary for the outdoor unit use the drain kit HDBS 26 or HDBS 26L Optional Parts Drain Hole 6 26 Position of Drain pipe joint 348 Optional Drain Hole 4 6 24 3 7 The whole of the base of the outdoor unit should be installed on a foundation When using vibration proof mat it should also be positioned the same way When installing the outdoor unit on a field supplied frame use metal plates to adjust the frame width for stable installation as shown in Fig 4 6 Incorrect Base Width of Outdoor Unit 75mm Outdoor Unit is Unstable Frame Frame Width 60mm Field Supplied Correct Base Width of Outdoor Unit Outdoor Unit is Stable Frame Metal Plate Metal Plate 100mm or more Recommended Metal Plate Size Field
19. OFF OFF 3 di l U is located higher U is located higher than O U gt 20m than U gt 25m ON ON ai Bin Communication Setting It is necessary to set Ref cycle system No and terminal resistor connect to HI NET system Setting Ref cycle system No Setting Ref cycle DSW4 DSW4 High Digit Setting Ten EO Aga 0 l 2 3 4 62 63 Sana aa a anma aa 123456 J 123456 12345 6 123456 J J 123456 123456 123456 12 3 4 5 6 12 3 45 6 22 Terminal Resistor Setting The first key of DSW5 is ON position shipment Setting Terminal Resist It is not necessary to set when Hi NET joint one saa NA a outdoor unit DSW5 It is necessary to set the first key of DSWS to OFF Shipment Resetting position from the second outdoor unit when a Hi NET Setting system joint more outdoor unit Bul lag 8 Test Run 1 5 OFF 1 5 OFF Test run should be performed according to the Table 8 1 on page 24 And use the Table 8 2 on page 25 for recording test run Do not operate the system until all the check points have been cleared A Check and confirm Ref pipe system and communication wire link to same Ref cycle system B Check to ensure that the electrical resistance is more t
20. Supplied Material Hot Rolled Mild Steel Plate SPHC Plate Thickness 4 5T 20 4 C10 j 2 Hole O O Ay gt as V 70 410 70 550 J Fig 4 6 Frame and Base Installation 5 Refrigerant Piping Work 4x DANGER 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 5 1 Piping Materials 1 Prepare locally supplied copper pipes 2 Select the piping size from the Table 5 1 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 NOTE Cautions for Refrigerant Pipe Ends When installing pipe through Do not place the pipe the wall secure a cap at the directly on the ground end of the pipe Correct Incorrect Correct Incorrect On Ox ae 82 Attach a cap Attach a cap or vinyl tape or vinyl tape Correct Incorrect Rain water can IU enter pH or vinyl bag with rubber band Cap the end of the pipe when the pipe is to be inserted through a hole Do not put pipes on the ground directly without a cap or
21. WY fR LIA O Ring Rubber Check joint Only charging hose can be connected a Tighten the cap with a torque 9N M Refrigerant Piping Hexagonal Wrench Size mm Gas Do not apply an abnormal big force to the spindle valve at the end of opening 5 0N m or smaller The back seat construction is not provided Do not loosen the stop ring If the stop ring is loosened it is dangerous since the spindle will hop out 5 Connect the gauge manifold using charging hoses with a nitrogen cylinder to the check joints of the liquid line and the gas line stop valves Perform the air tight test Do not open the stop valves Apply nitrogen gas pressure of 4 15MPa 6 Check for any gas leakage at the flare nut connections or brazed parts by gas leak detector or foaming agent 7 After the air tight test release nitorogen gas 14 After pipe and nut cap connected when make air test open the stop valve spindle cap make sure valve closed already clock wise Tighten nut cap below torque great torque will bring on refrigerant leakage of valve spindle Tighten Torque Pipe Diameter 06 35 1 4 9 53 3 8 34 42N m 12 7 1 2 49 61N m 15 88 5 8 68 82N m Make air tighten test after valve spindle turn off closely Note Do not connect nut cap on test joint supply for connecting refrigerant charge soft pipe It have no effect for system capacity when connect jonit cap and valce cap
22. 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 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 volume V m3 of each objective room 3 Calculate the refrigerant concentration C kg m of the room according to the following equation R Total Quantity of Charged Refrigerant kg V Room Volume m3 If local codes or regulations are specified follow them 15 C Refrigerant Concentration lt 0 3 kg m 5 7 Caution of the Pressure by Check Joint When the pressure is measured use the check joint of gas stop valve A in the figure below and use the check joint of liquid piping B in the figure below At that time connect the pressure gauge according to the following table because of high pressure side and low pressure side changes by operation mode Check Joint for Gas Stop Valve A High Pressure Check Joint for Piping B High Pressure Check Joint for Liquid Stop Valve C Exclusive for Vacuum Pump and Refrigerant Charge NOTE Be careful that refrigerant and oil do not splash to the electrical parts at removing the charge hoses Fig 5 4 Check Joi
23. auses abnormal heating at the caulking portion of the terminal If a single wire is used CAUTION When using conduit do NOT lead it in the outdoor ee po Power Supply unit f the conduit wiring touches the compressor ithe figure Cable and refrigerant cycle in the outdoor unit it may cause to damage them Pipi a Piping Cover Earth Wire Rubber Bush Accessory K Control Cable Wiring Method with Clamp Insert the communication cable into the cord clamp and clamp them as shown in the figure Conduit Power Supply Cable connect the end of shielded cable to the earth 2 Perform wiring so that wires do not touch the compressor refrigerant pipes or edge of the covers Fig 6 3 Wiring Connection of Outdoor Unit 21 Install a multi pole main switch with a space of 3 5mm or more between each phase 7 Outdoor Unit Dip Swtich Setting Turn off all power switch before setting Dip Switch else Dip Switch is of no effect Follow this table setting Dip Switch symbol denote the position of Dip Switch contact joint ALL OFF Shipment Set Ref Cycle No Communication Setting Setting SON Optional Function Setting a BW on Jugglon Dawe lON 6 ON Input Power Setting L03 AG OFF 1234 OFF 123456JOFF ALL OFF Shipment Set 1 ON Test Run Cool 1 20N Test Run Heat Capacity Setting Pipe length Setting Shipment AVW 38UCSC AVW 48UCSC AVW 54UCSC ON ON ON ON CUR 00G ane minas OFF
24. d the Comp Top Temp is Higher than 95 C when O U Protection Device is activated I U Freeze Protection Thermistor Temp is Higher than 55 C and the Comp Top Temp is Higher than 95 C when O U Protection Device is activated Overload cooling Possibility of high pressure device activation A Overload heating 42 Pressure Possibility of high pressure device activation Stoppage by Excessively Decrease of evaporating Temperature Te lt 35 C is activated 3 times in one hour Locked Motor in Heating Operation Activation of Low Pressure Decrease Protection Device ENG 5 Abnormality of Current Sensor for Inverter Failure of Control PCB1 IPM or PCB2 52 Overcurrent Protection Activation Failure of IPM or PCB2 Clogging of Heat Exchanger Protection Activation of IPM or PCB2 Oey E Failure of Compressor clogging of Heat Exchanger Abnormal Inverter Fin Thermistor Inverter Inverter Fin Temperature Increase Clogging of Heat Exchanger Abnormal Outdoor Fan IPM or PCB2 Abnormality Failure of IPM or PCB2 Disconnected wire or Incorrect wiring between Or Outdoor Fan Fan Motor Abnormality Control PCB and Inverter PCB Incorrect Wiring or Fan Motor Abnormality laverter Thermistor of Inverter Fin Abnormality Loose Connector Disconnected Wire for Inverter Fin Temp Short Circuit Indoor Unit l No Setting Incorrect Unit No Setting Over 64 I U Setting by Ref No or I U Address Compressor Comp
25. ect the gauge mani fold using charging hoses with a refrigerant cylinder to the check joint of the liquid line stop valve 2 Fully open the gas line stop valve and slightly open the liquid line stop valve Charge refrigerant by opening the gauge manifold valve 3 Charge the required refrigerant by operating the system in cooling Ensure to charge correct volume by utilizing a weight scale An excess or shortage of refrigerant is the main cause of trouble to the units Fully open the liquid line stop valve after completing refrigerant charge 3 Record of Additional Charge Total Additional Charge W _ kg Record the refrigerant charging quantity in order to facilitate maintenance and servicing ee ging q y Total Ref Charge of This System kg Total refrigerant charge of this system is calculated in the following formula Date of Ref Charge Work Total Ref Charge of This System W Wo This System J kg Day Month Year 4 Dip Switch Setting for Piping Length PCB1 Follow below setting the Dip Switch for piping length BBIBB PAGI i 5 Notice of Additional Charge 7 aii e aH S PBQPmv Ur UPBQBMBtMt QO A ni pb pa Ls 1 The additional refrigerant need to be reduced 150g uM i8 for each 12 14 slim ceiling ducted type indoor unit aag Tila maa H 2 The additional refrigerant need to be added if the B matched indoor unit and outdo
26. han 1 megohm by measuring the resistance between ground and the terminal of the electrical parts If not do not operate the system until the electrical leakage is found and repaired C Check to ensure that the stop valves of the outdoor unit are fully opened and then start the system D 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 Pay attention to the following items while the system is running A 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 B DO NOT PUSH THE BUTTON OF THE MAGNETIC SWITCH ES It will cause a serious accident Do not touch any electrical components for more than three minutes after turning OFF the main switch Operate every indoor unit one by one check and confirm their Ref cycle and connect wire joint to same Ref cycle system 23 Table 8 1 Checking of Wire Connection by Test Run NOTE TEST RUN shall be performed with each refrigerant cycle each outdoor unit 1 Turn ON the power source of the units 2 Procedure for TEST RUN mode of remote control switch SEUNG TEMPTAN Depress the MODE and the CHECK switches together for more than 3 seconds If TEST RUN and the counting number of the Operation Lamp connected units with the remote control switch for example
27. in with the air conditioning equipment 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 SAFETY SUMMARY A DANGER 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 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 touch or adjust safety devices inside the indoor or outdoor units If these devices are touched or readjusted it may cause a serious accident Do not open the service cover or access panel for the indoor or outdoor units without turning OFF the main power supply Refrigerant leakage can cause difficulty with breathing due to insufficient air Turn OFF the main sw
28. itch extinguish any naked flames and contact your service contractor if refrigerant leakage occurs The installer and system specialist shall secure safety against refrigerant leakage according to local regulations or standards Use an ELB Electric Leakage Breaker In the event of a 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 a high level of oil mist flammable gases salty air or harmful gases such as sulphur 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 Do not perform installation work refrigerant piping work 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 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 lightning conductor or ground wiring for telephone Connect a fuse of specified capacity Do not put any foreign material on the unit or inside the unit Make sure that the outdoor unit is not covered with snow or ice before operation Before performing any brazing work check to ensure that there is
29. lation Factory Supplied adequately when installing the piping cover Cut the i a NU Do not apply two spanners lower side guide line of the piping cover at this posotion If applied i oo eakage will occur when attaching work is difficult 5 5 Air Tight Test MAGAT 1 The stop valve has been closed before Oniy iie charging hose can be connected shipment however make sure that the stop Tighten the cap with a orque Delow valves are closed completely Liquid Valve 16N m Cap Spindle Valve Counterclock 2 Connect the indoor unit and the outdoor NAA ana MA an unit with field supplied refrigerant piping BA daN o S peal l CON f iquid Valve 3 N m Lo y ee Suspend the refrigerant piping at certain O Ring lt Ref Pressure points and prevent the refrigerant piping rubber semadine Pi Ai Refrigerant Piping g ping from touching the weak part of the building eer as ca such as wall ceiling etc NP o 4mm Aque Stop Vaive If touched abnormal sound may occur due spindle Gr a spindle valve to the vibration of the piping Pay special attention in case of short piping length 13 Spindle Valve Torque N m 11 14 lt Gas Valve gt Refrigerant Pressure Cap lekagonakWrencn Tighten the cap with a torque to open close spindle valve 29 4N M Spindle Valve Counterclockwise Open ko Clockwise Close Closed before Shipment HO
30. mperature during heating operation to have a continuous operation but the protections are alive Therefore the protection may activate when the heating TEST RUN operation is performed in high ambient temperature If the units do not start or the operation lamp on the remote control switch is flashed some abnormalities exist 6 Remote Control ka Switci ladication Unit Condition Wrong Portions Inspection Points after the Power Source OFF The operation lamp The unit does not The power source of outdoor unit 1 Connecting Order of each Terminal Boards flashes 1 time 1 sec start is not turned ON 2 Screw Fastening of each Terminal Boards And the Unit No and The connecting wires of operating NOTE Alarm Code 03 flash line are incorrect or loosed Recovering method of FUSE for operating circuit There is a fuse FUSE4 on Indoor Unit PCB1 EF 1 on Outdoor Unit PCB1 to protect operating circuit on the PCB when the power lines are connected to operating lines If fuse is melted operating circuit can be recovered once by setting the dip switch on the PCB as below Indoor Unit PCB1 DSW7 8 m OFF i 2 Set the switch 1 to ON position to recover the operation circuit The operation lamp The unit does not Remote control cable is broken This is the same as items 3 1 and 2 flashes 1 time 2 sec start Contact of connectors is not good The connection of remote control cable is incorrect
31. not available Bending In case of material 1 2H expanding of tube is not Expanding Tubes Refrigerant Sr panang Too available Use socket for connecting tube ae Use Pipe n M lt For 612 7 615 88 spanner size is up 2mm Connection of K werent For 96 35 69 53 619 05 spanner size is Flare Nut the same Brazing Tool Perform correct brazing work Brazing for Tubes Strict Control against Contamin Prevention from Nitrogen Gas lt gt lt gt Blow nitrogen during brazing Oxidation during Brazing Ha Usea synthetic oil which is equivalent to the oil Applying Oil to the Lubrication Oil used in the refrigeration cycle Flared Surface for Flare Surface ba Ag Synthetic oil absorbs moisture quickly Check refrigerant cylinder color Refrigerant Charging Refrigerant coe Cylinder Liquid refrigerant charging is required regarding zeotoropic refrigerant a The current ones are applicable However it is Vacuum Pumping required to mount a vacuum pump adapter which Adapter for can prevent from reverse flow when a vacuum mO pump stops resulting in no reverse oil flow No interchangeability is available due to higher Vacuum Pumping Vacuum Manilola VANE pe pressures when compared with R22 Vacuum Holding anang Do not use current ones to the different refrigerant Refrigerant Charging Reficerant If used mineral oil will flow into the cycle and cause and Check of Charge Charging Hose
32. not wire in front of the fixing screw of the service panel If do the screw can not be removed 4 Use twist pair cable with shielded for control between outdoor unit and indoor unit control wiring between indoor units wiring 1 and 2 for remote control switch and transmission wiring A and B for remote control switch 19 can be extended up to 500m If total wiring length less than 30m it is possible to use the normal wiring 0 3mm except twist pair cable 220 240V 50Hz 220 240V 50Hz ELB L Control Switch Control Switch Option Option Switch L pama No 1 Indoor Unit Ha No 2 Indoor Unit l RRR I A NEAR itt JT HA R te Control Ai Ta aa O Naa as of power source when wiring This cable dose not need any polarity i lded 1wistFair Cable mn Do not apply an excessively high Uaa pa not need any polarity voltage to this cable Rated Voltage 5V voltage one cable Rated eee 12V Fig 6 2 Wiring Connection for Indoor amp Outdoor 1 PHASE 5 The recommended fuse sizes etc are NOTE shown in Table 6 1 Supply the power source of outdoor units and indoor 6 In the case that a conduit tube for feild units respectively wiring not used fix rubber bushes with adhesive on the panel 1 Power Source Wiring Power source wiring is fundamentally according to this method AWARNING Oe Install an ELB in the power source If ELB is not used it will cause electric shock or ELB Earth
33. nt Position 16 5 8 Additional Refrigerant Charge It is necessary additional refrigerant charge as follows Additional Refrigerant Charge Calculation Although refrigerant has been charged into this unit it is required that additional refrigerant be charged according to piping length A Determine an additional refrigerant quantity according to the following procedure and charge it into the system B Record the additional refrigerant quantity to facilitate service activities thereafter 1 Calculating Method of Additional Refrigerant Charge W kg lt EXAMPLE gt AVW 54UCSC lt Table 1 gt kg 69 53X5m 6 35X10m P6 35X5m 6 35 X10m pee pees NO 0 NO 1 NO 2 kaw WO Outdoor Unit Outdoor Unit a aman r Capacity KBtu h Ref Charge d d9 53X10m p9 53X5m H9 53X5m See Example for Model AVW 54UCSC and fill in the following table NOTE rot Pipe Diameter mm Total Piping Length m Additional Charge kg Pn GULOAPDNIPIFIRSNAIYEYISIE SAIprIEAN W11 09 53 10 5 5 5 x 0 04 1 W12 6 35 1041045 x 0 02 0 50 Total Piping Length59m Additional Charge W W114 W12 1 5 kg Pipe Diameter mm Total Piping Length m Additional Charge kg W11 09 53 x004 TU W12 06 35 x0 02 Total PipingLength Im Total Ref Charge W TI kg 2 Charging Work Charge refrigerant R4 10A into the system as follows 1 For charging refrigerant conn
34. ole After removing the pipe cover from the unit punch out the holes following the guide line with screwdriver and a hammer Then cut the edge of the holes and attach insulation Field Supplied for cables and pipes protection Front Side Piping Cover Front Side Piping Hole b Bottom Side Piping Work 3 Apply the oil thinly at the seat surface of the flare nut and pipe before tightening Power Wire Gas Piping And when tightening the flare nut use two Da spanners EN C AE Refrigerant Oil is C1 SUPPEN ine LL Model Q68HES H Ether Oil ib Manufacturer IDEMITSU KOSAN Co Ltd lt a Procedure Bott ide Pipina Hol a N a a Applying Check of ee E O Bottom Base gt Nitrogen gt Pressure mb Pass Piping Gas Decrease c Rear Piping Work Repairing of Leakage Part Rear Cover 4 Stop Valve Liquid Valve Gas Valve 5 o avoid damage protect cables an T id d tect cabl d pipes with rubber sheath Field Supplied Rubber Sheath attatch part Pipe Cover pa Cut a shape gap at rubber sheath n a center wire lead rubber sheath KN ng Gas Pipe AA PAA Stop Valve Core for Opening and closing if A Bo SiN pe Fig 5 3 Stop Valve Position Operation of the stop valve should be Heat Preservation Pipe performed according to the below To prevent gaps use a rubber bush and lt Liquid Valve gt insu
35. ommended that auxiliary heating equipment be used in the field when the unit is installed in a low temperature region Operate the heat pump air conditioner within this range Regarding installation altitude below 1000 meters Regarding frequency of supply power within 41 Hz of rated frequency Regarding transport storage temperature within 25 55 C 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 NAMA eae E A 1 e EG CUE NAAN SAAN AAO NANANA E E 1 2 1 Outdoor Unit amp Refrigerant Cycle AA 1 2 2 Necessary Tools and Instrument List for Installation n00nnannnannannnennnnnnennnnnnnnnnnnnnnnnne 3 Transportation and Handling AAP 4 3 1 Indo r Unit amp Qutd or Unit NG LG AA seagieeegysetentndenacuseseaoeeuuloesoses 4 az TANSAN AA BANGDI DAN
36. opened together pu chi light sound 5 6 Vacuum Pumping and charge refrigerant 1 Connect a mani fold gauge to the check joints at the both sides Continue vacuum pumping work until the pressure reaches 756mmHg or lower for one to two hours After vacuum pumping work stop the mani fold valve s valve stop the vacuum pump and leave it for one hour Check to ensure that the pressure in the mani fold gauge does not increase Note 1 This unit is only for the refrigerant R410A The manifold gauge and the charging hose should be exclusive use for R410A 2 If vacuum degree of 0 1MPa 756mmH9g is not available it is considered of gas leakage or entering moisture Check for any gas leakage once again If no leakage exists operate the vacuum pump for more than one to two hours 2 Connect adjusted valve and charge kettle to check joint of liquid valve 3 Fully open the gas valve and liquid valve slowly 4 Open adjusted valve to add refrigerant must be refrigerant is liquid 5 Operate cool mode charge stated refrigerant 6 Confirm the capacity of charging refrigerant with balance an excess or a shortage of refrigerant is cause of trouble to the units 7 Fully open the liquid valve Never use the refrigerant charged in the outdoor unit for air purging Insufficient refrigerant will lead to failure Thermal Insulation Finishing Work Wind tape from outside of Ta NAA een UC pt and liquid piping
37. or unit is between j m 100 130 The additional refrigerant is 150g for 7 T _ each 10 which is over 100 Jj DN l _ 3 The total refrigerant of the unit must be less DSW6 Mark ill Show Switch Key canon j U is ted U IS locate than 7 9 kg FARMERA higher than O U 20m higher than I U 25m ON ON ON _OFF OFF OFF 17 5 9 Collecting Refrigerant When the refrigerant should be collected into the outdoor unit due to indoor outdoor unit relocation collect the refrigerant as follows 1 Attach the manifold gauge to the gas stop valve and the liquid stop valve 2 Turn ON the power source 3 Set the DSW1 1 pin of the outdoor unit PCB at the ON side for cooling operation Close the liquid stop valve and collect the refrigerant 4 When the pressure at lower pressure side gas stop valve indicates 0 01MPa 684mmHg perform the following procedures immediately Close the gas stop valve Set the DSW1 1 pin at the OFF side To stop the unit operation 5 Turn OFF the power source Dip Switch DSW1 ON N ES Manifold Gauge NG WiKi MA Maadi Hita WW M O YG ti iy it YAN naang IS SSS z2 i Ni NG qj i N Measure the low pressure by the pressure gauge and keep it not to decrease than 0 01MPa If the pressure is lower than 0 01MPa the compressor may be faulty 18 6 Electrical Wiring
38. r more the Supply Phases for 220V 60Hz Unit Only Phases Ex Distortion of the Voltage Signal Voltage Drop Voltage Drop by Excessively Low or High Voltage Drop of Power Supply Voltage to Outdoor Unit Insufficient Capacity of Power Supply Wiring Discharge Gas SUPERHEAT less than 10 deg is maintained for one hour Temperature of the top of Compressor Td Increase of Discharge Gas Temperature Td gt 127 C Cooling Td gt 120 C Heating over 10 minutes or Td gt 140 C over 5 seconds O O N Decrease of Discharge Gas Superheat Cycle O gt Inlet Air Thermistor Outlet Ar Thermistor Failure of Thermistor Loose Terminal Sensor on Freeze Protection Thermistor Disconnected Wire Indoor Unit Gas Piping Thermistor Tripping of Protection Device Activated Internal Thermo of Fan Motor N O OT N ah O Q O1 O1 6 oO Compressor Thermistor Failure of Thermistor Loose Terminal Outdoor Air Thermistor Disconnected Wire Locked Motor in Heating Operation Sensor on 5 Outdoor Unit N Evaporating Thermistor Incorrect Setting of Capacity Combination or Incorrect O U Capacity Setting oO Incorrect Capacity of Outdoor and Indoor Unit System OO 5 Incorrect Indoor Unit No Setting Duplication of Indoor Unit No oO Co Abnormality of Protective Circuit in outdoor Unit Failure of Protection detecting Circuit O U Pipe Thermistor Temp is Higher than 55 C an
39. ressor Protection Alarm Failure of Compressor 59 O EE 26 9 Safety and Control Device Setting Compressor Protection High Pressure Switch This switch cuts out the operation of the compressor when the discharge pressure exceeds the setting Outdoor Unit Model KBtu h 38 54 For Compressor Pressure Switch High Pressure paa Cut Out 4 19 0 20 Automatic Reset Non Adjustable Fuse on Main Circuit 50 Compressor Crank 60128 Heater Power Non Adjustable CCP Timer Set Time wale 3 21 Hisense Corporation Add 17 Donghai Xi Road Qingdao 266071 China P00415Q 2013 05 V04
40. s 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 Selection According to EN60335 1 Current i A Wire Size mm i lt 3 1 0 2 5 3 lt i lt 6 1 0 2 5 6 lt i lt 10 1 0 2 5 10 lt i lt 16 1 5 4 0 16 lt i lt 25 2 5 6 0 25 lt i lt 32 4 0 10 0 32 lt i lt 50 6 0 16 0 50 lt i s63 10 0 25 0 63 lt i x9 5 Run through the cables using conduit tube and Completely seal the end of conduit tube with sealing materials 2 In the case that current exceeds 63A Don t series connection Keep a distance between each wiring terminal and attach insulation tape or sleeve as shown in the figure Rear Cover Wiring Method with Clamp Insert the wires by into the cord clamp and clamp them as shown in the figure Correct Incorrect 1 Perform wiring so that wires do not touch the compressor refrigerant pipes or edge of the covers Insulation Tape or Sleeve Do not use a solderless terminal when a single wire is used Y Make a loop of the wires so that disconnecting the wirings for replacing parts is not required If used it c
41. s or surrounding vegetation The operating sound at the rear or right left sides is higher than the value in the catalog at the front side Wind Guard Set Optional Model Quantity HWSP 160A Strong Wind O GO GO GI Oi GI I e Check to ensure that the foundation is flat level and sufficiently strong 2 A Wall to Guard Against Wind e Do not install the outdoor unit where there is a high level of oil mist salty air or harmful gases such as sulphur e Do not install the outdoor unit where the electromagnetic wave is directly radiated to the electrical box e Install the outdoor unit as far as practical being at least 3 meters from the electromagnetic wave radiator ae Wall e When installing the outdoor unit in snow See kaa eee iene renown covered areas mount the field supplied hoods at the discharge side of the outdoor unit and NOTE the inlet side of the heat exchanger If the extreme strong wind blows directly against e Install the outdoor unit where it is in the shade the air discharge portion the fan may rotate or it will not be exposed to direct sunshine or reversely and be damaged direct radiation from high temperature heat source e Do not install the outdoor unit where dust or A C A U TI 0 N other contamination could block the outdoor heat exchanger Aluminum fins have very sharp edges Pay o Ka attention to the fins to avoid any injury e nstall the
42. thin wiring connection without referring to the approximately 3 meters from strong installation manual electromagnetic wave radiators such as Check that the ground wire is securely medical equipment connected Connect a fuse of specified capacity Table 1 1 Line Up of Outdoor Unit Canacivikewh 38 43 s4 Model AVW 38UCSC AVW 48UCSC AVW 54UCSC 2 Structure 2 1 Outdoor Unit amp Refrigerant Cycle lt Outdoor Unit gt AGA KAYA AA GT tg KA NIKA PEIR im ee it Lil 15 I M D gt D D No Part Name Heat Exchanger Propeller Fan 4 Fan Motor 5 Check Valve 16 Reversing Vave 49 Baseassemblyooo CT 7 Distributor 8 9 Strainmer 10 Electrical Expansion Valve 23T 11 Gas 8 Liquid Separator 24T Stop Valve for Gas Line FA es Stop Valve for Liquid Line 2o 1 lt Refrigerant Cycle gt Outdoor Unit Air Temperature Sensor Condensator Temperature Liquid Line Refrigerant Piping Connection AE 29 53 RO eet et eee ee Sg Cc 13 haa abbas PA f zZ 215 88 Gas Line Refrigerant Piping Connection Discharge Temperature D Seno a lt Refrigerant Flow Direction Cooling Operation e Refrigerant Flow Direction Heating Operation a Field Refrigerant Piping Flare Connection 2 Heat Exchanger 3 Gas 8 Liquid Separator 4 Strainer Capilary Tube Bypass Electrical Expansion Valve Check Valve Solenoid Valve
43. vinyl tape at the end of the pipe Flaring Dimension Perform the flaring work as shown below mm Diameter 9 1 O R410A 941 Piping Thickness and Material Use the pipe as below mm gt 15 88 1 0 Material is based on a JIS standard JIS B8607 Flare Nut Dimension Use the flare nut as below B lt Flare Nut Dimension B mm 9 612 7 615 88 Flare Nut 4 Dimension is based on a JIS standard JIS B8607 5 2 Refrigerant Piping Work 1 Ensure that the directions for refrigerant piping work according 2 Additional Refrigerant Charge R410A to the tables Although refrigerant has been charged into this unit a it is required that additional refrigerant be charged Table 5 1 Limitation of Outdoor Unit according to piping length Table 5 3 Wois Outdoor Unit Ref charge before shipment KBtu h Outdoor Unit Model Wo kg Capacity KBtu h Calculate charge refrigerant quantity by liquid pipe length charge it to refrigerant cycle W11 kg 69 53liquid length m x0 04 W12 kg 6 6 35liquid length m x0 02 W W114 W12 Inform local service the quantity of charging refrigerant after finish charging Table 5 4 Refrigerant Pipe System amp Additional Refrigerant Quantity Stem YET Branch pipe for Line Branch oe Oil Trap is recommended One outdoor unit joint six indoor units Outdoor Unit p pipe materials are acquired from local at every 10meters lift H1 8 30m H 41
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