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SAP-CMRV1924EH

1. 2 m LLI e z c LLI 9 lt LLI TAA NHD T3A NHO 5 T3A NHO E z gt lt LHM LHM g 4 E 2 LHM lt 4 1HM HOLO3NNOO dz m LHM 5 LHM LHM 2P CONNECTOR WHT LHM LHM CRANKCASE HEATER T gt ma 9 idia y8 m 1HM HOLO3NNOO dz lt 2 5 5 ma A 1HM 9 v o 2 e r nig HOLOANNOO 42 5 HOLSIINH3H NO TBA 0 9 73A 13 TBA 13A QS T3A TAA HOLSIINH3H dau HOLSINHSHL MO si HOLSINHAHL HOLSIWHSHL NV Lee TAA 4 wy LA 18A 1HM lt i4 14 wig ied 19 HOISINH3HL 1HM HOLSIINH3H MV gt OuO cc lt 1HM LHM 2 i HOLSIINH3H mo HOOGLNO S Lm Gm 14 Dd E HA up TAA 8 dau dau II HOLSIINH3H HOLO3NNOO 42 g 102 3409 D 1HM E o z ma ele P T 5 ajar 1HM lt
2. 5 HOLO3NNOO dZ O HOLSIINH3HI 13A LR 13A T 19 89 1 zit 1HM HOLSIINH3H L m LLI HOLSIINH3H L NV a TAA 5 Ly 13A x LHM HEATER TAA HOLSIINH3H L MV HOLSIWHSHL HOOGLNO LG TAA Q 13A HOLSINYSHL 1109 5 W e QO HO1SINH3H1 m 2 HOSS3HdWOO Ls 5 To OF m tc LLI gt HOLOANNOO d MEANING BLACK 8FA 2 5257 84200 0 BLUE GREEN YELLOW GREY YELLOW BROWN ORANGE PINK RED VIOLET WHITE ABBREV BLK Meaning of Abbreviations BLU GRN YEL BRN GRY ORG PNK RED VLT WHT YEL 4 10 11 MAGNETIC COIL MAGNETIC COIL 25 FM Fig 34a FAN MOTOR WHT 2P CONNECTOR do not the Power Lamp on the P C Board is turned off hock i GRN YEL t 5 COMPRESSOR MOTOR Ir un t or repa inspec To prevent electr tdoor unit CMRV1934EH I for 3 room mult d Electr 2P CONNECTOR WHT ic wiring Ih T3A NHO T3A NHO THA NHO TERMINAL PLATE 1HM 1 L
3. LA 2 YHOLSINYSHL HOLO3NNOO d 8FA2 5257 89000 0 33 7 FUNCTIONS 7 1 Explanation of Functions The numerical values such as temperature frequency time and current in parentheses are an example of SAP CMRV3144EH and the values are different from the other models Control conditions Unit operation Explanation INITIAL Breaker is ON Power is supplied to the indoor and outdoor unit control circuits however the unit remains stopped Positioning of the outdoor unit electric expansion valve is performed The ON OFF operation If automatic operation mode has been selected This applies in the case of automatic button on the remote with the remote controller operation begins in HEAT COOL operation controller is pressed HEAT SENSOR DRY or COOL mode depending on the room temperature and outdoor temperature at the time operation starts V Depending on the operational mode refer to the HEAT SENSOR DRY or COOL item HEAT The ON OFF operation Operation lamp illuminates The unit is forced to stop for 3 minutes after button on the remote Indoor fan is stopped to prevent cold air from the power is turned ON or 3 minutes after the controller is pressed being emitted compressor stops in order to protect the i i i mpr r Outdoor unit begins operating after uui rd forced stop is canceled The frequency is increased at the rat
4. o e Euer na 5 a lt CONTROLLER HOLO3NNOO 42 HOLSINYSHL 1d YHOLSINYSHL NO 13A g gt T3A Law 13A Bell T3A ome P HOLSINYSHL M8 coU HOLSIWYSHL MO i HOLSIINH3H HOLSIINH3HL mag 194 13A day 13A Wy 13A I Q 13A TAA ona TAA m T3A HOLSIAH3H gt HOLSINYSHL MY Bas E HOLSINYSHL LHM B ME HOOQ hO 29 ma 90 q Lu T3A lee 13A aau HOLSINYSHL 1109 zal 2 HT1I wur 2P CONNECTOR 18 HOLSINYSHL HOLO3NNOO d J409 3189334 JHM S 1HM aJa LHM ere Nd aay 8 2 5 COMPRESSO MOTOR WHT WHT 8FA2 5257 57100 0 32 Outdoor Unit SAP CMRV3144EH To avoid electrical shock hazard be sure to WARNING disconnect power before checking servicing and or cleaning any electrical parts LINN YOQANI OL LINAN LINN LINN LINN H3MOd 2 TERMINAL PLATE
5. 8809 818834 GRN YEL C W COMPRESSOR MOTOR nig HOLO3NNOO d LHM AG S U 8FA2 5257 84200 0 Outdoor Unit SAP CMRV1934EH To avoid electrical shock hazard be sure to WARNING disconnect power before checking servicing and or cleaning any electrical parts LINN YOQANI OL 14415 LINN LINN LINN 1 V HOQQNI 2 TERMINAL PLATE GND x x m E 1 55 x I G D mm m c m LLI 2 Elk O lt LLI i lt T3A NH9 T3A NHO 8 T3A NHO E 2 T lt ER Q 1HM ajaj 1 c 1HM Q HOLO3NNOO dz Ec 5 ui lt LHM 2P CONNECTOR WHT EE II CRANKCASE HEATER LHM HOLO3NNOO 9 ma _ J na aja HOLO3NNOO dz COIL 4WAY VALVE MAGNETIC COIL LHM nd qaq DEF 9 COIL DEFROST VALVE CONTROLLER HOLSIINH3H 1d HOLSINYSHL NO 13A AN 19 734 ANS 13A 13 T3A
6. ExISUng SY Sle MS xxiii tei tee p deco dod Pocos Page APPENDIX INSTALLATION INSTRUCTIONS SAP CMRV 1424EH APPENDIX INSTALLATION INSTRUCTIONS SAP CMRV 1924EH SAP CMRV1934EH SAP CMRV2444EH SAP CMRV3144EH APPENDIX UNIT COMBINATION TABLES B APPLICABLE INDOOR UNITS SAP SAP SAP SAP SAP KMRV74EH KMRV94EH KMRV124EH KRV184EH KRV244EH Multi Outdoor Unit 1 The table lists the wall mounted type of indoor units as representative models 2 For details on the applicable indoor units other than the wall mounted type refer to the catalog 1 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp 32 C D B 23 C WB 43 C DB Cooling 19 C DB 14 C W B 19 C DB 27 C DB 24 C D B 18 C WB eaun 9 16 C D B D B 15 C WB 2 SPECIFICATIONS 2 1 Unit Specifications Outdoor Unit SAP CMRV1424EH Voltage Rating 230V Capacity 2 0 to 5 0 45 2205 5 MN 15 400 MN Air Circulation High m h 1 900 1 900 ae as PowerFador s 98 EER 1 S S 46 Fan Speeds Auto Hi Me Lo OpertionSoud 47 48 O O af Refrigerant Narrow tube mm in 6 35 1 4 x Tube Diameter Wide tube mm in 9 52 3 8 x 5 Dimensions amp Weight Unit Dimensions Package Dimensions Wei
7. 4 4 4 4 4 4 4 4 4 4 50 vv di Y px beca wow or ae p M I tcu MM P 4 1 I minute cycle Fig 2 37 7 2 Protective Functions The numerical values such as temperature frequency time and current in parentheses are an example of SAP CMRV3144EH and the values are different from the other models 7 2 1 Defrost Detection and Release 1 Non stop defrosting Defrosting sequence 4 way valve ON Defrost detection occurs in either of the following cases The temperature of the heat exchanger remains at or below the L1 line for 35 minutes after the start of HEAT operation The temperature of the heat exchanger remains at or below the L2 line for 120 minutes after the start of HEAT operation Heating operation Outdoor heat exchanger temperature 20 Outdoor air C temperature Frost detection Compressor gt 80 Hz operation 4 way valve ON Outdoor fan OFF Solenoid valve ON for hot gas bypass Indoor fan gt OFF Non stop defrosting Temperature of the outdoor heat exchanger is at or above the temperature shown in the table below Defrost operation has continued for 12 minutes max length Releasing of
8. 20 from that of the air conditioner that you are installing 85264190206000 SANYO 2006 SANYO Electric Co Ltd Osaka Japan w IMPORTANT Please Read Before Starting This air conditioning system meets strict safety and operat ing standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual This symbol refers to a haz ard or unsafe practice which WARNING can result in severe personal injury or death This symbol refers to a haz ard or unsafe practice which can result in personal injury or product or property dam age If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS
9. HEATING Total Performance d Total Performance Capacity Min Min Max Capacity Min Max Single room Operation 2 room Operation 3 room Operation The table lists the wall mounted type of indoor units representative models For details on the connection of indoor units other than the wall mounted type refer to the catalog Save this Combination Table Please be sure to hand over this sheet to the user NYO 4 Room Outdoor Unit Combination Table SAP CMRV2444EH lt Combinations of Connectable Indoor Units gt The combinations of the indoor units listed in Table 1 on the next page are combinations solely of those units which can be operated concurrently In addition to the combinations listed in the table other combinations of indoor units are possible provided that the following conditions are satisfied Conditions 1 Atleast two or more indoor units must be connected to the multi outdoor unit It is not acceptable for only one indoor unit to be connected 2 The total rated cooling capacity of the indoor units to be connected must be no more than 200 of the rated cooling capacity of the outdoor unit CAUTION In this case all the indoor units installed must not be operated concurrently under any N circumstances Otherwise the air conditioner may not run properly and
10. 2 5 Lu x 4 X 2 2 55 I 8 u c E 8 z HE q 9 Q 5 d D 5 LLI Qu 52865 lt 8 T a ETEF O rr rr ge 5 2 55 vo 25 S 5 0995 0 gt gt gt QE 2 25 C 5555 lt 8 reas 09 v g lt lt lt 5858 lt lt cet 9 LO LO S lt lt lt lt lt 5 5 2 mD 2 09 20003020 Lt LLL 2 gr lt N CO ST amp Toot T7 N CO D lt lt o SO HM PP gg g gg sS lt lt lt lt lt M B B gg MM B PE gt Q Q Q Q Q ooo 0 A A A A gt lt lt lt lt lt gt 0 ooooo 5 V tr _ LLI lt I T P T or EE E Q N LLI o EE gt ood a O C t lt lt lt o Own o REFERENCE SM700662 Important Please Read Before Starting This air conditioning system meets strict safety and operating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and tro
11. mi gt Resistance ohm n qoas E ES EX dp p E p gs Ese 80 Es 108 cnn Sis m miss doa cA EE EE eed aes O 10 20 30 40 50 60 70 80 90 3 Temperature C 17 3 DIMENSIONAL DATA Outdoor Unit SAP CMRV1424EH 790 70 285 18 310 336 Narrow tube service valve dia 6 35 1 4 2 Wide tube service valve dia 9 52 3 8 x 2 Unit mm Outdoor Unit SAP CMRV1924EH 608 136 293 y 12 35 U 369 Narrow tube service valve dia 6 35 1 4 2 Wide tube service valve dia 9 52 3 8 x 2 Unit mm 19 Outdoor Unit SAP CMRV1934EH 608 293 136 12 20 369 150 Narrow tube service valve dia 6 35 1 4 x 3 Wide tube service valve dia 9 52 3 8 3 Unit mm Outdoor Unit SAP CMRV2444EH 608 136 293 Wide tube service valve dia 12 70 1 2 x 1 Narrow tube service valve dia 6 35 1 4 x4 Wide tube service valve dia 9 52 3 8 3 72 70 70 NEN CI CCC or TCC CT 150 Unit mm 21 Outdoor Unit SAP CMRV3
12. x X x m m m x m m 2 lt ui c MAGNETIC MAGNETIC GRY SLD Sic MV2 MAGNETIC COIL MAGNETIC COIL YOLSINYAHL MO YOLSINYSAHL x 1HM 1HM nig nig gt Su 9 LHM 5 pa ma SNO DA TE E HOLOANNOO d D T3A 19 m HOLSIINH3H L OVERLOAD RELAY OLR 2P CONNECTOR 5257 57100 0 2 8FA Fig 34c Meaning of Abbreviations MEANING BLACK BLUE ABBREV BLK BROWN GREEN YELLOW GREY LLI e ORANGE PINK RED To prevent electric shock do not ir unt the Power Lamp t or repa on the P C Board is turned off inspec VIOLET WHITE YELLOW 26 APPENDIX C UNIT COMBINATION TABLES lt List of Combination Table gt Be sure to operate the air conditioning system only when 2 more indoor units have been installed If operated with only a single unit installed the returning fluid to the compressor may cause a malfunction A 3 Save this Combination Table Please be sure to hand over this sheet to the user SANYO 2 Room Outdoor Unit Combination Table SAP
13. 10 seoq JOU oujoe e eu Jn990 JOU SBOP 15 511000 uomneJedo 1s0JJep JeAe Mou s Joopino 941 eseoJoul peeds 94 UOIS 290 UO sdois 10ssaJdujoo 941 eje1edo seop 941 10U JOU esop 100pinO ejyejedo JOU yun JOOPINO JOU esop ugy JOOPU JOU uonejedo eyeJedo JOU Jo0pu Indoor controller control unit Compressor protective Branch tubing temperature sensor 5 E 2 T g c m 3 5 a O Q c C o a t NM X o o CL x x 1 OD oe ae 5 5 9 re I iL 44 8 4 2 Inspection Points for Each Part 1 Outdoor control circuit board Hefer to 8 3 Checking the outdoor unit Mena Do not remove or insert the outdoor control circuit board connector when power is being supplied it The controller will be damaged 2 Fuse Check it visually or the continuity with a tester 3 Compressor Check for an open circuit in the compressor coil
14. 6 C W B 3 1 This data will be available in next issue of the Technical amp Service Manual Outdoor Unit SAP CMRV2444EH Voltage Rating 230V Capacity 2 9 to 8 1 86 3 4to 9 0 zi 9 900 to 600 29 300 11 600 to 30 700 Air Circulation High m h Rd Power O O EER SOS Fan Speeds Auto Hi Me Lo OpertionSoud 80 5 Maxalowableetubinglenghperunt 425 o Refrigerant Narrow tube mm in 6 35 1 4 x 4 Tube Diameter Wide tube mm in 9 52 3 8 x 12 7 1 2 x 1 Dimensions amp Weight Unit Dimensions Package Dimensions Weight Net kg Shipping kg 690 Shipping Volume m DATA SUBJECT TO CHANGE WITHOUT NOTICE Remarks 1 The Values shown in perfromance section and electrical rating section above are based on the following unit combination For other combination unit please refer to the Unit Combination Table in this manual Indoor Unit SAP KMRV94EH 3units Outdoor Unit SAP CMRV2444EH 1unit 2 Rating conditions are Cooling Indoor air temp 27 19 W B Heating Indoor air temp 20 Outdoor air temp 35 D B 24 W B Outdoor air temp 7 C 6 C W B 3 1 This data will be available in next issue of the Technical amp Service Manual 10 Outdoor Unit SAP CMRV3144EH Voltage Rating 230V Capacity
15. SAP KMRV74EH KMRV94EH KMRV124EH 9 52 06 35 NE SAP KMRV74EH KMRV94EH KMRV124EH 012 70 06 95 015 88 SAP KRV244EH Flare 012 70 Union 215 88 Flare 012 70 Union 09 52 012 70 012 70 915 88 012 70 gt 09 52 Locally purchased Supplied Reducer Fig 4k E Outdoor unit Indoor unit 09 52 1 SAP KMRV74EH KMRV94EH KMRV124EH 09 52 06 35 09 52 SAP KMRV74EH KMRV94EH KMRV124EH 09 52 012 70 SAP KRV184EH 012 70 d 015 88 96 35 Flare 012 70 Union 015 88 bo 012 70 015 88 Locally purchased A 7771 EE SAP KRV244EH 012 70 r Fig 4l unit mm 2 3 Outdoor Unit AVOID e heat sources exhaust fans etc Fig 5a e damp humid or uneven locations DO e position the outdoor unit in a protected location where snow will not blow into it e choose a place as cool as possible e choose a place that is well ventilated e allow enough room around the unit for air intake exhaust and possible maintenance Fig 5b e provide a solid base level concrete pad concrete block 15 x 40 cm beams or equal a minimum of 15 cm above ground level to reduce humidity and protect the unit against possible water damage and decreased service life Fig 5c e Install cushion rubber under unit s feet to reduce vibration and noise Fig 5d e use lug bolts or equal to bolt down unit reducing
16. Cooling cycle Heating cycle lt Defrosting cycle Thickness Min 8 Narrow tube i Sub Main O 34m x wide tube wr accumulator accumulator o ide tube e x P s S i _ CW O D 9 52mm x BW x x O D 12 7mm 24 AW O D 12 7mm AN gt x valve b O Defrost valve 6 x for hot gas bypass N 9 x Electric 2 x expansion Service valve on valve I x narrow tube x x Narrow tube DUA DN x O D 6 35mm 1 CN 2 x O D 6 35mm a 80 a x BN Ka UM E O D 6 35mm gt lt 80 a oD bd 2 x x O D 6 35mm iraner Pu Insulation of Refrigerant Tubing IMPORTANT Because capillary tubing is used in the outdoor unit both the wide and narrow tubes of this air conditioner become cold To oe Insulation prevent heat loss and wet floors due to dripping of condensation both tubes must be well insulated with Thickness proper insulation material The thickness of the insulation Min 8 mm should be a min 8 mm After a tube has been insulated Wide tube never try to bend it into a narrow curve because it can cause the tube to break or crack CAUTION 27 5 PERFORMANCE DATA 5 1 Temperature Charts This data will be available in next issue of the Technical amp Service Manual 5 2 Heating Performance This
17. tc u EE dag T3A NHS G LHM 5 9 1HM o eb 75 ES HOLO3NNOO d o 8 2P CONNECTOR 5257 57000 0 2 8FA Fig 34b tdoor unit CMRV2444 3144EH I for 4 mult d Electr iagram ic wiring REACTANCE COIL 2P CONNECTOR DEFROST VALVE 4WAY VALVE COIL WHT TERMINAL PLATE LINN OL LINA HOOQNI V LINN LINN LINN HOOQNI 8 HOOQNI 5 HOOQNI a z e FERRITE CORE T3A NHO T3A NHO THA NHO 5 HOLO3NNOO dZ 1HM lt nia ojs HOLO3NNOO dc wa H HOLSIINH3H L T3A 89 TAA Lam aA HOLSIINH3H L YOLSINYAHL NV THA y 13A THA YOLSINYAHL MV HOLSIIWH3H L yYOOdLNO P TAA LS HOLSIINH3H L WOO w HOLSIIWNH3H L CONTROLLER RED BLU
18. 06 35 09 52 B J 4 09 52 HE 012 A 0 96 35 Flare 912 70 Union 29 52 Po 012 70 09 52 Supplied Reducer Fig 4d Indoor unit SAP KMRV74EH KMRV94EH KMRV124EH SAP KMRV74EH KMRV94EH KMRV124EH SAP KMRV74EH KMRV94EH KMRV124EH Indoor unit Indoor unit SAP KMRV74EH KMRV94EH KMRV124EH SAP KMRV74EH KMRV94EH KMRV124EH SAP KRV184EH SAP KMRV74EH KMRV94EH KMRV124EH SAP KMRV74EH KMRV94EH KMRV124EH SAP KMRV74EH KMRV94EH KMRV124EH SAP KMRV74EH KMRV94EH KMRV124EH unit mm Outdoor unit Indoor unit 09 52 2 SAP KMRV74EH KMRV94EH KMRV124EH 09 52 96 35 me ZO SAP KMRV74EH KMRV94EH KMRV124EH 09 52 96 35 2555 ah SAP KMRV74EH KMRV94EH KMRV124EH 09 52 idi 012 70 SAP KRV184EH Q 12 70 26 35 Fig 4e C Outdoor unit Indoor unit 09 52 a 0 SAP KMRV74EH KMRV94EH KMRV124EH 09 52 96 35 m q SAP KMRV74EH KMRV94EH KMRV124EH 09 52 96 35 SAP KMRV74EH KMRV94EH KMRV124EH 9 52 56 35 015 88 A h SAP KRV244EH Q 12 70 26 35 Flare 012 70 Union 015 88 012 70 015 88 Locally purchased Fig 4f D Outdoor unit Indoor unit 09 52 4 SAP KMRV74EH KMRV94EH KMRV124EH 9 52 96 35 T ES SAP KMRV74EH KMRV94EH KMRV124EH 99 52 1
19. 13A T3A ma HOLOANNOO dZ WHT WHT 2P CONNECTOR WHT HT Ley OLR OVERLOAD RELAY 3P CONNECTOR WHT FERRITE CORE COMPRESSOR MOTOR FM FAN MOTOR MAGNETIC COIL MAGNETIC COIL GRN YEL 8FA 2 5257 56900 1 Fig 34 Meaning of Abbreviations MEANING BLACK BLUE BROWN ABBREV GREEN YELLOW GREY i LLI ORANGE PINK RED VIOLET WHITE YELLOW To prevent electric shock do not il the Power Lamp on the P C Board is turned off Ir unt t or repa inspec 20 APPENDIX INSTALLATION INSTRUCTIONS SAP CMRV1924EH SAP CMRV1934EH SAP CMRV2444EH SAP CMRV3144EH 1 852 6 4189 992 00 2 2 For Outdoor Unit SANYO INSTALLATION INSTRUCTIONS Inverter Multi Split System Air Conditioner cooL bRv HEAT Model This air conditioner uses the new refrigerant R410A Contents Model Combinations Page IMPORTANT Combine indoor and outdoor units only as listed Please Read Before Starting 2 below Indoor Unit Outdoor Unit 1 GENERAL 3 Tools Required for Installation not supplied Accessories Supplied with Unit Optional Copper Tubing Kit Type of Copper Tube and Insulatio
20. HO1VHOdV d 8FA 2 5257 72600 1 33 Ig F tdoor unit CMRV1424EH ou for 2 room mult iagram d ic wiring Electr T3A NHO i T3A NHO 9 REACTANCE LINN OL LINN LINN AlddNS HOOQNI Y If TERMINAL PLATE 1 17 N BLK wH WHT ACIN2 ACIN1 25A COIL COIL DEFROST VALVE 4WAY VALVE HOLSIINH3H L THA NHO 1HM 41HM 1HM 1Sdjei 1HM LHM ms T T 8 HOLO3NNOO d2 ma HOLO3NNOO d2 TAA law TAA TAA TAA Law TAA HOLSIINH3H L HOLSIINH3HI NV TBA TAA QN TBA T3A TBA TAA Law TBA T3A HOLSIINH3H L MV HOLO3NNOO d HOLSIINH3H L HOOGLNO ns Lew TBA TAA Lew TBA TAA HOLSIINHS3H L HOLO3NNOO d m YOLSINY AHL 2P CONNECTOR CONTROLLER RED 04 1 4 a a o z lt ui tc AYD Ado TAA TAA qaq Ado Ado TAA TAA qaq qaq
21. when Wiring 00900990990009099090009099090099099009009909000090990009909990000090000090900009090990090900090000009009000909000000000000090900009909090009099999 ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tub ing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury or death e Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheating at connection points and a possible fire hazard When Transporting 690009000900000090000009000900000090000009000000009000000000000000000000000000000000000000000000000000000000000000000000000000000 Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fin gers When Installing In a Ceiling or
22. 13A HOLSIINH3H L 1102 HOLO3NNOO 3P CONNECTOR 2P CONNECTOR 2P CONNECTOR HOLSIWNH3HL WHT BLU RN C W A CORE OLR OVERLOAD RELAY S U COMPRESSOR MOTOR 2 5257 56900 1 29 Outdoor Unit SAP CMRV1924EH Q gt lt gt gt lt COIL DEFROST VALVE REACTANCE AN ram 1HM d 41HM LHM aJou LHM LHM HOLO3NNOO 42 nd TERMINAL To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts LINN YOQANI OL 14415 LINN UNA u3wod HOQQNIV HOQQNI 8 a 17 aja HOLO3NNOO 42 X18 X18 HOLO3NNOO 42 YOLSINYSHL Law THA 13A THA Law 13A YOLSINHJHL YOLSINYSHL NV 13A 13A QW THA 13A YOLSINHJHL MV YOLSINYSHL 4009110 14d Low Law THA THA YOLSINYSHL 1109 ws YOLSIWYSHL 55 09 CONTROLLER 2 CONNECTOR 30 OLR OVERLOAD RELAY REACTANCE MAGNETIC COIL MAGNETIC COIL FAN MOTOR 112131415167 2 CONNECTOR
23. 6 Test Run Performing a test run e hefer to the test run procedures in the indoor unit installation manual e Perform the test run separately for each connected indoor unit If 2 units are operated simultaneously it is not possible to correctly check for errors in tubing and wiring e f the room temperature is 15 or below it may be possible to check for tubing errors with cooling operation If this occurs perform heating operation for each unit individually and check that warm air is dis charged from each unit If there is cold air mixed in with the warm air check the tubing connections again Checking tubing and wiring Perform the test run and check that operation is normal If there is an error in tubing or wiring the refrigerant may flow to indoor unit B when indoor unit A is operated for example e Stop operation immediately if there is an error in tub ing or wiring Turn the power breaker to OFF and check whether the inter unit cables are connected incorrectly or whether the narrow tubes A and B are connected in reverse Correct the connections e there is an error in tubing pump down must performed Be sure to perform pump down After making corrections again purge the air from the tubes 23 SZ aN y 7 Fig 32 Access panel 7 Connecting a Home Automation device The HA white 4P terminal
24. Check for refrigerant shortage or blockage of the refrigerant circuit Assessment of refrigerant shortage 1 The pressure in the low pressure section is 5 MPa or more below the value in the performance charts 2 There is little condensation on the indoor heart exchanger which overall appears dry e Distinguishing between refrigerant shortage and refrigerant circuit blockage If the pressure in the low pressure section does not change when the circuit is charged 2 to 3 times with refrigerant gas 200 g each time or if the change is small then the problem may not be refrigerant shortage The problem may be a blockage of the refrigerant circuit 1 Check that there is no internal leakage inside the 4 way valve At the low pressure side tubing check that there is no temperature difference between the intake and discharge of the 4 way valve 2 Check that the electric expansion valve is not blocked Chesck as described on the preceding page 46 8 5 Trouble Diagnosis of Fan Motor e This outdoor DC fan motor contains an internal control PCB Therefore it is not possible to measure the coil resistance and the following procedure should be used to check the motor e perform diagnosis follow the instructions 8 3 1 Checking the Outdoor Unit and set the outdoor unit to Test Run mode compressor ON outdoor fan motor ON Important A Turn OFF the power before connecting or disconnecting the motor connectors B When per
25. Error Monitor Lamp E NT rror Contents ERRO ERR1 ERR2 EHR3 Sensor for compressor discharge temp Sensor for heat excharge temp Sensor for branch pipe A Narrow tube Nr Sensor for branch pipe B Narrow tube Sensor for branch pipe C Narrow tube o o Sensor for branch pipe D Narrow tube o o o X Outdoor temp sensor X Sensor for branch pipe A Wide tube Wide tube Wide tube Sensor for branch pipe B lt Sensor for branch pipe C X Sensor for branch pipe D Wide tube HIC circuit trouble current temp Actuation of comp over load relay Actuation of freeze protection function Outdoor unit error detail of error message indicate on indoor LED 42 X x ERRO o o 8 3 Checking the Outdoor System 8 3 1 Checking the outdoor unit B Work procedure Check items unit operation Apply 220 V AC between terminals L on the The LED red on the control board must illuminate outdoor unit terminal plate e Short circuit the T RUN terminal to the COM terminal he compressor fan mortar 4 way valve and solenoid of TEST T RUN terminals valve for the hot gas bypass must turn ON They turn ON about 70 seconds later after the power is turned ON the abo
26. 15 2 2 Connecting Indoor Units 1 Connecting indoor unit for SAP CMRV1 424 Outdoor unit Indoor unit Fig 4 SAP KMRV74EH KMRV94EH KMRV 124EH SAP KMRV74EH KMRV94EH KMRV 124EH unit mm 2 3 Outdoor Unit AVOID NO Z Exhaust fan Hot air 2 e heat sources exhaust fans etc Fig 5 gt 1 e damp humid or uneven locations DO Outdoor unit e position the outdoor unit in a protected location where snow will not blow into it e choose a place as cool as possible e choose a place that is well ventilated e allow enough room around the unit for air intake exhaust and possible maintenance Fig 5b provide a solid base level concrete pad concrete 11 block 10 x 40 cm beams or equal minimum of 1 20 2 10 cm above d idi 8 l ground level to reduce humidity and Valve 8 x 1 protect the unit against possible water damage j Min 1 7 decreased service Fig 5c 8 UT 7 e Install cushion rubber under unit s feet to reduce 5 2 RUD E 40 vibration and noise Fig 5d LEVER e use lug bolts or equal to bolt down unit reducing Fig 5b Ground eun g Min 10 cm on and noise Air intake e Install in a location where no antenna of a television or radio exists within
27. 2 9 to 9 2 94 3 4to 9 8 d 9 900 to 31 400 32 100 mA to Air Circulation High m h ERN GM AGAR Fair EER 4 COP Fan Speeds Auto Hi Me Lo OpertionSoud 90 5 Max allowable tubinglengthperunt 3 Refrigerant Narrow tube mm in 6 35 1 4 x 4 Tube Diameter Wide tube mm in 9 52 3 8 x 2 12 7 1 2 x 2 Dimensions amp Weight Unit Dimensions Package Dimensions Weight Net kg Shipping kg Shipping Volume m DATA SUBJECT TO CHANGE WITHOUT NOTICE Remarks 1 The Values shown in perfromance section and electrical rating section above are based on the following unit combination For other combination unit please refer to the Unit Combination Table in this manual Indoor Unit SAP KMRV94EH 4units Outdoor Unit SAP CMRV3144EH 2 Rating conditions are Cooling Indoor air temp 27 19 W B Heating Indoor air temp 20 Outdoor air temp 35 D B 24 W B Outdoor air temp 7 C 6 C W B 3 1 This data will be available in next issue of the Technical amp Service Manual 11 2 2 Major Component Specifications 2 2 1 Outdoor Unit Outdoor Unit SAP CMRV1424EH Control PCB CB CMRV1424EH Control Circuit Fuse 250V 25A Compressor DC Twin Rotary Hermetic Compressor Model Nominal Output 1 000W Compressor Oil Amount CC
28. 3 2 Drain Cap and Drain Elbow First refer to Section 2 Installation Site Selection The drain hole at the bottom of the outdoor unit was not plugged at the time of factory shipment If necessary plug the drain hole with the accessory drain cap or mount the accessory drain elbow before installing the outdoor unit Fig 7 When in a cold area where drainage water may freeze do not attach the provided drain cap or drain elbow to the bottom plate of the unit 3 3 Use of the Flaring Method Many of the conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units In this method the copper tubes are flared at each end and connected with flare nuts 3 4 Flaring Procedure with a Flare Tool 1 Cut the copper tube to the required length with a tube cutter It is recommended to cut approx 30 50 cm longer than the tubing length you estimate 2 Remove burrs at the end of the copper tube with a tube reamer or file This process is important and should be done carefully to make a good flare Fig 8 Outdoor unit p wells Accessory u drain cap 2 Accessory Accessory drain cap drain elbow Fig 7 Deburring Fig 8 When reaming hold the tube end downward and be sure that no copper scraps fall into the tube Fig 9 3 Remove the flare nut from the unit
29. 3 meters Anchor bolts 4 pcs Air intake or equal lt Fig 5c gt 2 1 22225 NN NS XA WAN WN N N NW NV SONS SA AZ AA WK WW TEES N 5 W N Cushion rubber Fig 5d 2 4 Outer Dimensions of Outdoor Unit Service valve on narrow tube side Outer diameter 26 35 Service valve on wide tube side Outer diameter 29 52 1 AY 1 unit mm 2 5 Diagram of Outdoor Unit Installation Never install only a single indoor unit Be sure to connect indoor and outdoor units only in combinations that are listed in the catalog or in the combination table that was provided with the outdoor unit Use caution Connecting any other model may result in operation failure and malfunction The dimensions indicated by lt gt in the figure below spaces that are required in order to maintain performance Install in a location where the dimensions indicated by lt gt are ensured and where 2 or more faces of the unit are unobstructed In principle the top direction should be unobstructed Ind
30. 5 PERFORMANCE DATA 5 1 92 Temperature LU LE Heating PEMONMANCC E emu sende 6 ELECTRICAL DATA 6 1 7 FUNCTIONS 7 1 7 2 Explaliali ri ol FUNCIONS uyu PRroteCive FUNCIONS m 8 TROURLE SHOOTING 8 1 8 2 8 3 8 4 8 5 Precautions before Performing Inspection or Repair Trouble Diagnosis by Error Monitor Checking Outdoor System Leg Trouble Diagnosis of Each Part nnne nnn nns Trouble Diagnosis Or Far Mor 9 REFRIGERANT SPECIAL PRECAUTIONS WHEN SERVICING UNIT 9 1 9 2 9 3 9 4 9 5 9 6 9 7 9 8 Characteristics of New Refrigerant R410A Checklist bef re Servicing uuu uu Tools Specifically TOF Eee Tubing Installation Procedures 2 In Case of Compressor Malfunction In Case Refrigerant is 0 Charging Additional Refrigerant a
31. DO Elevation L2 u difference H1 OUTDOOR H2 e select an appropriate position from which every corner of UNIT ES the room can be uniformly cooled High on a wall is best E L3 H4 INDOOR NEN INDOOR H3 e select a location that will hold the weight of the unit UNIT 4 L4 UNIT 3 e select a location where tubing and drain hose have the Fig 3a shortest run to the outside Fig 1 g e allow room for operation and maintenance as well as CAUTION unrestricted air flow around the unit Fig 2 EN Indoor unit S install the unit within the maximum elevation difference For stable operation of the air H2 H3 di above or below the outdoor unit and conditioner do not install within a total tubing length 1 12 L1 L2 L38 wall mounted type indoor L1 L2 L3 L4 from the outdoor unit as detailed in Minimum height Table 3 and Fig 3a units less than 1 5 m from floor level 15m Floor level Fig 3b e Install the indoor unit more than 1 meter away from any antenna or power lines or connecting wires used for tele vision radio telephone security system or intercom Electrical noise from any of these sources may affect operation e install in a sturdy manner to avoid increased operating noise Table 3 Max Allowable Max Allowable Total Limit of Limit of Elevation Required Amount Tubing Length Tubing Length Total Tubing Length Difference of Addi
32. Fig 18 3 Clamp the tubing bundle to wall using 1 clamp approx every 120 cm Do not wind the armoring tape too tightly since this will decrease the heat insulation effect Also be sure the con densation drain hose splits away from the bundle and drips clear of the unit and the tubing 3 9 Finishing the Installation After finishing insulating and taping over the tubing use sealing putty to seal off the hole in the wall to prevent rain and draft from entering Fig 19 Torque wrench Spanner Indoor unit Outdoor unit Fig 15 Insulation Fig 16 Insulation Thickness Min min 8 mm 8 mm Fig 17 Apply putty here Tubing Fig 19 4 Purging Air and moisture remaining in the refrigerant system have undesirable effects as indicated below Therefore they must be purged completely e pressure in the system rises e operating current rises e cooling efficiency drops e moisture in the air may freeze and block capillary tubing e water may lead to corrosion of parts in the refriaeran m narrow SD Manifold gauge SS special for R410A Service 3 B Air Purging with a Vacuum Pump 22 1 1 2 High Mee valve for Test Run vaveon B 2 N QQ side NES Leave the Lo for preventing e order to protect the earth s environment be sure to CA valve open reverse
33. a location where the dimensions indicated by lt gt are ensured and where 2 or more faces of the unit are unobstructed In principle the top direction should be unobstructed Power breaker AIS 5 lt SOB adi Ensure 15cm f if 4 2 7 of space S drain hose is to E be used Access panel WSSSSSSS Base not provided concrete or similar material Ground Fasten with anchor bolts wire not not provided 3 8 or M10 4 locations provided Fig 6e 12 3 Installation Process 3 1 Embedding the Tubing and Wiring e Do not connect tubes to locations that are embedded e sure to bind refrigerant tubing and inter unit cables together with vinyl tape e The power cable must be obtained on site 93 5 Less than 26 m e Be sure to apply the provided labels to both ends of the inter unit cables to prevent miswiring e Securely seal the end of embedded tubing with vinyl tape in order to prevent dirt or moisture entry e order to prevent insulation breakdown and ground faults do not allow the wire ends to contact rainwater or be subject to dew condensation 3 2 Drain Cap and Drain Elbow First refer to Section 2 Installation Site Selection The drain hole at the bottom of the outdoor unit was
34. data will be available in next issue of the Technical amp Service Manual 28 6 ELECTRICAL DATA 6 1 Electric Wiring Diagrams Outdoor Unit SAP CMRV1424EH To avoid electrical shock hazard be sure to WARNING disconnect power before checking servicing and or cleaning any electrical parts LINN YOQANI OL LIN LINAN HOQQNIV 8 ae 11 TERMINAL PLATE REACTANCE p e T3A NHO AHO M 4 T3A NHO Of 13A e e 13A dau dau HOLO3NNOO 49 MAGNETIC COIL HOLO3NNOO 42 mas AHO9 Awv w L AHO9 md Son P HOLO3NNOO dz HOLO3NNOO 49 HOLO3NNOO 42 COIL 4WAY VALVE w MAGNETIC COIL gt lt a Q LL CONTROLLER HOLSIINH3HI FAN MOTOR HOLSINYSHL 2 HOLO3NNOO 82 HOLSIINH3HL NV 13A T3A 13A wW 13A YOLSIWYSHL MV HOLSINH3HL M18 13A
35. defrosting Temperature of releasing Defrost operation time Less than 2 minutes Coil temperature for releasing of defrosting 14 or higher 1 1 The temperature for releasing of defrosting is 20 C or higher when the outdoor air temperature is less than O C Defrost does not occur during HIGH POWER operation If other stopped indoor units are started duning defrost operation they begin operating in defrost mode 2 Clean defrost If all indoor units are stopped during HEAT operation and frost is detected at the L2 line and the conditions for defrost are met then defrost operation occurs and the unit stops after defrost is completed 38 7 2 2 Current Control The operating current may rise as a result of causes including increasing heating or cooling loads or decreases in power voltage In these cases the operating frequency is automatically reduced or operation is stopped in order to control the operating current so that it is 20 A or less Asaresul Power breakers and fuses will not be tripped Operation can continue during this period with somewhat reduced heating or cooling capacity Operation at normal capacity is restored when the cause of the current rise is eliminated Description of function Example of operation for heating 20A Power Point C 1 Point 16 6 Point J tt LLL cocos frequency Frequency
36. listed in the table other combinations of indoor units are possible provided that the following conditions are satisfied Conditions 1 At least two or more indoor units must be connected to the multi outdoor unit It is not acceptable for only one indoor unit to be connected 2 The total rated cooling capacity of the indoor units to be connected must be no more than 200 of the rated cooling capacity of the outdoor unit CAUTION In this case all the indoor units installed must not be operated concurrently under any N circumstances Otherwise the air conditioner may not run properly and trouble may occur Example When two indoor units are connected If the following holds true Rated cooling capacity of SAP CMRV1924EH outdoor unit C 5 6 kW Rated cooling capacity of indoor units K1 K2 KW Then C x 2 200 K1 5 6 2 2 5 15 5 15 11 2210 3 It is therefore possible to connect two units with respective capacities of 5 15 5 15 However since this combination is not found in the 2 room operation column of Table 1 operating all these units concurrently may result in trouble At a time like this shut down at least one of the two indoor units to match one of the combinations found in the single room operation col umn of Table 1 Be sure to operate the air conditioning system only when 2 or more indoor units have been installed If operated with only a single unit installed the returning fl
37. the outdoor unit may stop after 5 10 minutes EN of operation This is in order to protect the indoor unit heat exchanger from freezing and does not indicate a problem Z Og 20 4 Disconnect the manifold gauge and the inter unit tubes After disconnecting and attach the caps and flare nuts At this point pump RA Og the inter unit tubes down is completed If the caps and flare nuts are not ns 22 attach the flare nuts with bonnets reattached there is the danger of gas leakage Refer to Fig 24 8 lt 09 If pump down is not possible If the A C cannot be operated because of a malfunction or other cause use a refrigerant recovery device to recover the Fig 24 refrigerant 18 5 Wiring Instructions 5 1 General Precautions on Wiring 1 Before wiring confirm the rated voltage of the unit as shown on its nameplate then carry out the wiring closely following the wiring diagram 2 Provide a power outlet to be used exclusively for each unit with a power supply disconnect and circuit break er for overcurrent protection provided in the exclusive line 3 To prevent possible hazard due to insulation failure the unit must be grounded 4 Each wiring connection must be done tightly and in accordance with the wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged 5 Do not allow wiring to touch the refrigerant
38. the power supply line to the outdoor unit as shown in the wiring diagram The indoor unit draws its power from the outdoor unit e Do not run wiring for antenna signal or power lines of television radio stereo telephone security system or intercom any closer than 1 meter from the power cable and wires between the indoor and outdoor units Electrical noise may affect the operation 5 3 Wiring System Diagram OUTDOOR UNIT gt INDOOR UNIT Terminal UNIT B INDOOR UNIT Terminal 2 CO Power supply Single phase 220 240VAC 50Hz 220VAC 60Hz Grounding line A Fig 25 15 TN KUTIN e To avoid the risk of electric shock each air conditioner unit must be grounded e For the installation of a grounding device please observe local electrical codes e Grounding is necessary especially for units using inverter circuits in order to release charged electricity and electrical noise caused by high tension Otherwise electrical shock may occur e Place a dedicated ground more than 2 meters away from other grounds and do not have it shared with other electric appliances 5 4 How to Connect Wiring to the Terminal NES Loose wiring may cause the terminal to overheat or result in unit malfunction A fire hazard may also exist There fore be sure all wiring is tightly connected When connecting each power wire to the corresponding
39. the soap on the tubing This completes air purging with a vacuum pump and the air conditioner is ready for actual operation Pump Down In order to protect the earth s environment be sure to perform pump down to recover refrigerant gas without releasing it into the atmosphere e When relocating or disposing of the A C request this service from the dealer where the unit was purchased or from an appropriate agent Perform pump down as described below What is pump down e Pump down refers to recovering the refrigerant gas from the refrigerant cycle at the outdoor unit This work must be performed during cooling operation The refrigerant gas cannot be recovered during heating operation e During winter or if the temperature sensor prevents cooling operation perform forced cooling operation Charging port Pump down procedure 1 Fully close the spindles at the valves on the narrow tube side of tubes A B C and D Refer to Fig 22 2 Connect the manifold gauge to the charging port at the valve on the wide tube side of tube D Purge the air from the charging hose Refer to Fig 23 Wide tube side 3 Perform cooling operation or forced cooling operation When the pressure at the low pressure side is 0 15 0 2 MPa 0 5 1 kg cm G fully close the spindles at the valves on the wide tube side of tubes A B C and D and immediately stop operation Refer to Fig 23 In the winter
40. trouble may occur Example When four indoor units are connected If the following holds true Rated cooling capacity of SAP CMRV2444EH outdoor unit C 6 8 kW e Rated cooling capacity of indoor units K1 K2 KW Then C x 2 200 K1 K2 6 8 22 2 2 2 2 2 2 5 15 13 6 211 75 It is therefore possible to connect four units with respective capacities of 2 2 2 2 2 2 5 15 However since this combi nation is not found in the 4 room operation column of Table 1 operating all these units concurrently may result in trouble At a time like this shut down at least one of the four indoor units to match one of the combinations found in the 3 room opera tion column of Table 1 Be sure to operate the air conditioning system only when 2 or more indoor units have been installed If operated with only a single unit installed the returning fluid to the compressor may cause a malfunction SANYO Electric Co Ltd Pub OI 85264180812001 SANYO 2006 Oa Combinations of operatable indoor units gt SAP CMRV2444EH Rated cooling capacity 6 8 kW 2 65 3 5 SAP KMRV124EH 5 15 SAP KRV184EH 7 1 SAP KRV244EH Table 1 Indoor Unit Capacity kW COOLING HEATING COOLING EATING d jd i pu Total Performance d i rdi E Total Performance Capacit Min Max Capacit Min Max Single room Operation 2 room
41. tubing compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs a result of such unauthorized changes 5 2 Recommended Wire Length and Diameter Regulations on wiring diameter differ from locality to locality For field wiring requirements please refer to your local elec trical codes Carefully observe these regulations when car rying out the installation Table 6 shows maximum wire lengths for control line and power line and fuse or circuit capacity Refer to the wiring system diagram Figs 25a 25b 25c for the meaning of A B and C in Table 6 Table 6 Cross Sectional Max Power Line Length m Max Control Line Length m Fuse Area mm A B C or Model 3 5 1 0 Circuit Capacity SAP CMRV 1924 26 25 20 SAP CMRV1934 2 20A 6 25 Be sure to comply with local codes on running To avoid the risk of electric shock each air the wire from the indoor unit to the outdoor unit conditioner unit must be grounded size of wire and wiring method etc For the installation of a grounding device Each wire must be firmly connected please observe local electrical codes No wire should be allowed to touch refrigerant Grounding is necessary especially for units tubing the compressor or any moving part using inverte
42. vibration and noise e Install in a location where no antenna of a television or radio exists within 3 meters NO 27 gt 7 d Heat source Exhaust fan Outdoor unit Obstacle above 4 Min Min 2 c 9 Air intake Min 20 cm Valve side lt 5 25 8 Min 10 Air discharge 50 I Fig 5b Ground Min 20 cm Air intake Anchor bolts 4 pcs gt ETE REA 222222862 22222222 Y gt Min 15 cm 55 222222223 15 tak E 222222228 Ps 23 gt or equal EM is a Fig 5c N N WW AN N 19 WAWAN 1 WA AW WA W SSH WW WAN WAN NAN N M N Sis AW is n Cushion rubber Fig 5d 10 2 4 Outer Dimensions of Outdoor Unit 1 SAP CMRV1924 Service valve on narrow tube side Outer diameter 26 35 Service valve on wide tube side Outer diameter 29 52 2 SAP CMRV1934 Service valve on narrow tube side Outer di
43. winding 4 Compressor protective sensor compressor discharge temperature thermistor Check that the senseor is securely contained in the thermostart holder 5 4 way valve Short circuit the T RUN terminal to the COM terminal of TEST T RUN terminals Perfrom a test run of the unit alone and check whether the 4 way valve inside the outdoor unit produces a click sound 6 Coil thermistor Check that the sensor is securely contained in the thermostat holder 7 Electric expansion valve e When replacing the electric expansion valve and coil be sure to attach the connectors in the correct positions Labels are applied to the valve body and coil corresponding to the connector colors to identify them Use a tester to measure the voltage 12 V When the power is turned ON the needle will move in the following seguence in approximately 10 to 20 seconds for each point Model No Controller check No voltage on circuit board Voltage varies SAP CMRV1424EH SAP CMRV1924EH MVO SAP CMRV1934EH MVO MV1 MV2 SAP CMRV2444EH SAP CMHVST44EH MIETEN IV Ce M Check the resistance between the gray lead wire and the other wires Resistance is OK if it is 46 4ohm at 20 Check the illumination of the red LED Check the coil resistance Approx 46 4 ohm the controller Replace the coil Open and close the Cool the main unit with a damp
44. with tool dol NI Figs 10 and 11 Fig 9 Use RIGID or equivalent If the special 410 If the previous flare tool flare tool is used clutch type is used A good flare should have the following characteristics a e inside surface is glossy and smooth 0 0 5 mm e edge is smooth Adjust so that the amount of tube protrusion is as shown in the figure e tapered sides are of uniform length Fig 10 3 5 Caution Before Connecting Tubes Tightly a Be sure to apply a sealing or water proof tape to prevent dust or water from getting into the tubes before T Flare nut they are used Copper b Be sure to apply refrigerant lubricant to the matching 9 tubing surfaces of the flare and union before connecting them together This is effective for reducing gas leaks Flare Fig 12 Fig 11 C For proper connection align the union tube and flare tube straight with each other then screw in the flare nut lightly at first to obtain a smooth match Fig 13 Apply refrigerant lubricant here and here 3 6 Tubing Connections Fig 12 a Temporary connection Screw in 3 5 rotations by hand Fig 14 b fasten the flare nuts apply specified torque as Table 4 Tube Dia Tightening Torque Union Flare nut 6 35 mm 14 18 140 180 kgf Fig 13 9 52 mm 34 42 N m 340 420 kgf cm 12 70 mm 49 61 490
45. 144EH 608 136 293 Wide tube service valve dia 12 70 1 2 x 2 Narrow tube service valve dia 6 35 1 4 x 4 Wide tube service valve dia 9 52 3 8 2 ol 2 H Fs N 150 Unit mm 22 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram Outdoor Unit SAP CMRV1424EH Indoor unit Outdoor unit Sub Main 2h accumulator accumulator 2 wide tu x x Wide tube ja BW x i O D 9 52mm S 4 m ec 1 x x x O D 9 52mm x x x x x x x 4 way T x x x x x Defrost valve 6 S 4 for hot gas bypass 9 x x x 4 1 E I x x x Electric x split flow 1 Service valve valve x x narrow tube x Narrow tube K BN mk Q D 635mm D Cooling cycle AN mE x x O D 6 35mm gt lt 5 lt Heating cycle lt lt s Defrosting cycle Insulation of Refrigerant Tubing Because capillary tubing is used in the outdoor unit both the wide and narrow tubes of this air conditioner become cold To T Insulation prevent heat loss and wet floors due to dripping of condensation both tubes must be well insulated with Thickness Thickness proper insulation material The thickness of the insulation Min 8 mm Min
46. 2 Narrow Tube Wide Tube Model Outer Dia Thickness Outer Dia Thickness KMRV74 6 35 mm 0 8 mm 9 52 mm KMRV94 6 35 mm 0 8 mm 9 52 mm 0 8 mm KMRV 124 6 35 mm 0 8 mm 9 52 mm 0 8 mm 1 5 Additional Materials Required for Installation 1 Refrigeration armored tape 2 Insulated staples or clamps for connecting wire See local codes 3 Putty 4 Refrigeration lubricant 5 Clamps or saddles to secure refrigerant tubing Ind it 2 Installation Site Selection Indoor Unit WARNING To prevent abnormal heat generation N and the possibility of fire do not place obstacles enclosures and grilles in front of or surrounding the air conditioner in a way that may gt D block air flow C CA AVOID Outside drainage e direct sunlight Fig 1 e nearby heat sources that may affect performance of the unit YY areas where leakage of flammable gas may be expected f 5 cm _ placing or allowing obstructions near the inlet or min min 2 outlet installing in rooms that contain instant on rapid start fluorescent lamps These may prevent the A C from Front View receiving signals Fig 2 e places where large amounts of oil mist exist e installing in locations where there are devices that generate high frequency emissions DO INDOOR UNIT 1 Tubing length L1 INDOOR UNIT 2
47. 2 70 HB a NE SAP KRV184EH 99 52 06 39 015 88 SAP KRV244EH 212 70 lt O Flare 012 70 Union 015 88 Flare 9 52 Union 012 70 bo Lo 012 70 015 88 09 52 912 70 Locally purchased Locally purchased Fig 4g unit mm 4 Connecting indoor unit for SAP CMRV3144 A Outdoor unit Indoor unit 09 52 mE SAP KMRV74EH KMRV94EH KMRV124EH 09 52 06 35 09 52 mE SAP KMRV74EH KMRV94EH KMRV124EH 09 52 06 35 09 52 SAP KMRV74EH KMRV94EH KMRV124EH 09 52 mamas SAP KMRV74EH KMRV94EH KMRV124EH 06 35 Flare 012 70 Union 09 52 212 70 09 52 Supplied Reducer Fig 4h B Outdoor unit Indoor unit 09 52 SAP KMRV74EH KMRV94EH KMRV124EH 09 52 06 35 09 52 s e SAP KMRV74EH KMRV94EH KMRV124EH 09 52 06 35 09 52 DA SAP KMRV74EH KMRV94EH KMRV124EH 912 70 g 012 70 ALAS SAP KRV184EH 91270 p TET Flare 012 70 Union 09 52 L j 012 70 09 52 Supplied Reducer Fig 4i C Outdoor unit Indoor unit 09 52 SAP KMRV74EH KMRV94EH KMRV124EH 99 52 dnd 09 52 C SAP KMRV74EH KMRV94EH KMRV124EH 09 52 6924 012 70 EN SAP KRV184EH 012 70 4 012 70 5 SAP KRV184EH 9 012 70 26 35 Fig 4j unit mm Indoor unit 09 52 SAP KMRV74EH KMRV94EH KMRV 124EH 09 52 E 99 52 Ss
48. 220 240 VAC 2 4 Outer Dimensions of Outdoor Unit 2 5 Diagram of Outdoor Unit Installation 9 5 e A T Be sure to read the yellow instruction sheet 3 INSTALLATION PROCESS 8 3 1 Embedding the Tubing and Wiring ale eo to the outdoor unit for models using the 3 2 Cap and Drain Elbow new refrigerant R410A 3 3 Use of the Flaring Method 3 4 Flaring Procedure with a Flare Tool 3 5 Caution Before Connecting Tubes Tightly 3 6 Tubing Connections 3 7 Insulation of Refrigerant Tubing 3 8 Taping the Tubes 3 9 Finishing the Installation Combination example Indoor unit B 4 11 E Air Purging with a Vacuum Pump for Test Run Pump Down 5 WIRING INSTRUCTIONS 14 5 1 General Precautions on Wiring 5 2 Recommended Wire Length and Diameter 5 3 Wiring System Diagram 5 4 How to Connect Wiring to the Terminal 5 5 Wiring Instructions for the Outdoor Unit Outdoor unit b TEST ptem Ut E eM 18 7 CONNECTING A HOME AUTOMATION DEVICE 19 NOTE The illustrations are based on the typical appearance of 8 INSTALLATION CHECK SHEET 8 d dad medir 9 ELECTRIC WIRING DIAGRAM
49. 2444 CMRV3144 B B 5 2 V A C n 8 OUTDOOR UNIT OUTDOOR UNIT ae Terminal 9P e z Terminal 12P 2 4 rounding Grounding line m Q lt 21 ie 2 3 5 5 5 Ore x 2 N POE 5 3 Oar 5 lt Er 4 Ot C m 5 E 5 gt ax 2 SR N Grounding line B m 5 G 219 8 5 Ps lt 2 I SIE S e 2 s gg GL ole amp 5 2 SR 4 Grounding line mE a 250 125 28 5 x 2 8 ow 8 2z 8 e o 2 Fig 25b 5 P Fig 25c 20 5 4 How to Connect Wiring to the Terminal NES Loose wiring may cause the terminal to overheat or result in unit malfunction A fire hazard may also exist There fore be sure all wiring is tightly connected When connecting each power wire to the corresponding terminal follow the instructions How to connect wiring to the terminal and fasten the wire securely tight with the fixing screw of the terminal plate How to connect wiring to the terminal a For Indoor Unit 1 Cut the wire end with a cutting pliers then strip the insulation to expose the wire about 7 mm See the label Fig 26 near the terminal plate 2 Using a screwdrive
50. 4EH Indoor unit Service valve on Outdoor unit lt Cooling cycle Heating cycle lt Defrosting cycle Thickness Min 8 Narrow tube i Sub Main O 34m x wide tube wr accumulator accumulator o ide tube n x P s S i _ CW O D 9 52mm Ed t x BW x x O D 9 52mm X 24 AW O D 12 7mm AN gt x valve b O Defrost valve 6 x for hot gas bypass 9 x Electric 2 x expansion Service valve on valve I x narrow tube x x Narrow tube DUA DN x O D 6 35mm 1 CN 2 x O D 6 385mm a 80 a x BN Ka UM E QO D 6 35mm gt lt 8 a bd 2 x x O D 6 35mm iraner Pu Insulation of Refrigerant Tubing IMPORTANT Because capillary tubing is used in the outdoor unit both the wide and narrow tubes of this air conditioner become cold To oe Insulation prevent heat loss and wet floors due to dripping of condensation both tubes must be well insulated with Thickness proper insulation material The thickness of the insulation Min 8 mm should be a min 8 mm After a tube has been insulated Wide tube never try to bend it into a narrow curve because it can cause the tube to break or crack CAUTION 26 Outdoor Unit SAP CMRV3144EH Indoor unit Service valve on Outdoor unit lt
51. 610 kgf cm 15 88 mm 68 82 680 820 kgf N KID SS CON Service valve on narrow tube side Apply the provided labels to the indoor and outdoor unit tubing connectors to prevent errors in connections Fig 14 14 Be sure to match refrigerant tubing and electric wiring between indoor and outdoor units For more details refer to Tubing Check Control in the Technical amp Service Manual 3 7 Insulation of Refrigerant Tubing IMPORTANT To prevent heat loss and wet floors due to dripping of con densation both tubes must be well insulated with a proper insulation material The thickness of the insulation should be a minimum 8 mm Fig 17 3 8 Taping the Tubes After a tube has been insulated never try to bend it into a narrow curve as this may cause the tube to break or crack 1 Atthis time the 2 refrigerant tubes and electrical wire if local codes permit should be taped together with armoring tape The drain hose may also be included and taped together as 1 bundle with the tubing 2 Wrap the armoring tape from the bottom of the outdoor unit to the top of the tubing where it enters the wall As you wrap the tubing overlap half of each previous tape turn Fig 18 3 Clamp the tubing bundle to wall using 1 clamp approx every 120 cm Do not wind the armoring tape too tightly since this will decrease the heat insulation effect A
52. 8 mm should be a min 8 mm After a tube has been insulated Wide tube never try to bend it into a narrow CAUTION curve because it can cause the tube to break or crack 23 Outdoor Unit SAP CMRV1924EH Indoor unit Outdoor unit x i Sub Main 5 x I iE on accumulator accumulator 2 wide tube oo x widetwe BW me x O D 9 52mm x 9 Ja Aw x x O D 9 52mm x Header x 6 3 x x Away x valve I x x 1 x Defrost valve YO x for hot gas bypass N 9 1 x x Electric x expansion x Service valve on valve x narrow tube 9 x IUD qp p J O D 6 35mm D Cooling cycle x AN x lt x O D 6 35mm 2 1 lt x Heating cycle os Defrosting cycle Insulation of Refrigerant Tubing Because capillary tubing is used in the outdoor unit both the wide and narrow tubes of this air conditioner become cold To m Insulation prevent heat loss and wet floors due to dripping of condensation both tubes must be well insulated with Thickness Thickness proper insulation material The thickness of the insulation Min 8 mm NIFT SEDI should be a min 8 mm After a tube has been insulated Narrow tube never try to bend it into a narrow CAUTION curve becau
53. 9 8 Retro Fitting Existing Systems 9 8 1 Use of Existing Units e Never use new refrigerant R410A for existing units which use R22 This will cause the air conditioner to operate improperly and may result in a hazardous condition 9 8 2 Use of Existing Tubing e lf replacing an older unit that used refrigerant R22 with a unit do not use its existing tubing Instead completely new tubing must be used 54 APPENDIX INSTALLATION INSTRUCTIONS SAP CMRV1424EH 11 852 6 4190 206 00 0 1 For Outdoor Unit SANYO INSTALLATION INSTRUCTIONS Inverter Multi Split System Air Conditioner cooL bRv HEAT Model This air conditioner uses the new refrigerant R410A Contents Model Combinations Page IMPORTANT Combine indoor and outdoor units only as listed Please Read Before Starting 2 below 1 GENERAL 3 Indoor Unit Outdoor Unit 1 1 Tools Required for Installation not supplied 1 2 Accessories Supplied with Unit SAP KMRV94EH 1 3 Optional Copper Tubing Kit SAP KMRV124EH 1 4 Type of Copper Tube and Insulation Material 1 5 Additional Materials Required for Installation Combine ndeorand ouldoarunitsonly asiisied in 2 INSTALLATION SITE SELECTION 4 the combination tables for 2 outdoor unit as 2 1 Indoor Unit shown in its respective manual 2 2 Connecting Indoor Units Power Source 2 3 Outdoor Unit 50 Hz single phase
54. CMRV1424EH lt Combinations of Connectable Indoor Units The combinations of the indoor units listed in Table 1 on the next page are combinations solely of those units which can be operated concurrently In addition to the combinations listed in the table other combinations of indoor units are possible provided that the following conditions are satisfied Conditions 1 Atleast two or more indoor units must be connected to the multi outdoor unit It is not acceptable for only one indoor unit to be connected 2 The total rated cooling capacity of the indoor units to be connected must be no more than 200 of the rated cooling capacity of the outdoor unit CAUTION In this case all the indoor units installed must not be operated concurrently under any N circumstances Otherwise the air conditioner may not run properly and trouble may occur Example When two indoor units are connected If the following holds true Rated cooling capacity of SAP CMRV1424EH outdoor unit C 4 kW Rated cooling capacity of indoor units K1 K2 KW Then C x 2 200 K1 4x223 54 3 5 6 7 It is therefore possible to connect two units with respective capacities of 3 5 3 5 However since this combination is not found in the 2 room operation column of Table 1 operating all these units concurrently may result in trouble At a time like this shut down at least one of the two indoor units to match one of the combination
55. FV50S 350 Coil Resistance Ambient Temp 20 Ohm Safety Device CT Peak current cut off control Compressor Discharge Temp Control Operation cut off control in abnormal ambient Temp Overload Relay Model Operation Temp Open 115 C Close 95 C Run Capacitor _________ Crankcase Heater Propeller Q ty Dia mm 1 D420 INo ofPoles 122280 W Coil Resistance Ohm RED WHT 77 5 Ambient Temp 20 C WHT BLU 77 5 BLU RED 77 5 Safety Device Type Internal Controller Over Current Protection Run Capacitor A T Heat Exchanger Coil Fin Pitch mm Face Area n External Finish O O Acrylic baked on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE Outdoor Unit SAP CMRV1924EH Control PCB CB CMRV1924EH Control Circuit Fuse 250V 25A Compressor DC Twin Rotary Hermetic Compressor Model Nominal Output 5KD240XAB21 1 700W Compressor Oil Amount FV50S 900 Coil Resistance Ambient Temp 20 U V 0 720 V W 0 708 W U 0 726 Safety Device CT Peak current cut off control Yes Compressor Discharge Temp Control Operation cut off control in abnormal ambient Temp Yes Overload Relay Model Operation Temp Open 115 C Close 100 C Run Capacitor Micro F VAC Crankcase Heater 230V 25W Propeller Q ty Dia mm 1 0460 Model Q ty SIC 71FW D490 1 1 No of Poles Rough Measure R
56. HM REACTANCE THM LHM LINN OL LINN HOOQNI V LINN LINN HOOQNI 8 HOOQNI 9 a z FERRITE CORE LHM LHM COIL DEFROST VALVE 4WAY VALVE COIL DEF LHM CRANKCASE HEATER 1HM HOLOANNOO dz HOLSIINH3H L T3A LG 13A TAA 13A HOLSIINH3H L HOLSIINH3H IL NV T3A Ly 13A TAA 69 HOLSIINH3H L MV HOLSIINH3H L yYOOdLNO P TAA LR 19 HOLSIINH3H L w HOLSIINH3H L CONTROLLER RED BLU E I I m mz z m m m m o 2 lt tc d e o LLI 6 2 lt 9 o 19 E dau 2 HOLSIINH3H THA 13 T3A HOLSIINH3H L MO 1HM gt 1HM 1HM _ 2 25 ma ma gt lt a
57. HOLSIINH3H L MO HOLSIINH3H L HOLSIINH3H NV 13A QW TAA 79 13A HOLSIINH3H L MV x 5 HOLSINYAHL LHM LHM 5 M Law cog 13A ba qs eel dau II HOISINH3HL S 2 2 5 102 9 1 5 84434 xfa LHM TE re ra aayu VH 18 2 HOLSIINH3HL HOLO3NNOO d o o HOSS3Hdl OO 8FA2 5257 57000 0 31 Outdoor Unit SAP CMRV2444EH To avoid electrical shock hazard be sure to WARNING disconnect power before checking servicing and or cleaning any electrical parts LINN YOQANI OL Alddns LINA LINN LINN LINN HOGGdNI8 11001 1 ten GND TERMINAL PLATE BLK WHT RED BLU REACTANCE B 0 TJA NHO 5 THA NHO E ral T 2 5 lt LHM LHM I LHM i 1HM 5 HOLO3NNOO dz m LHM 5 LHM LHM LHM LHM 2P CONNECTOR WHT CRANKCASE HEATER 8 gt ma I T GE ma ajal THA HOLO3NNOO dz gt ma ya
58. Operation m 3 room Operation Concurrent operation of 4 indoor units prohibited This multi outdoor unit allows up to four indoor units to be connected 4 room However all four indoor units must not be operated concurrently Otherwise the air conditioner may not run properly Up to three indoor units may be operated concurrently Operation The table lists the wall mounted type of indoor units as representative models For details on the connection of indoor units other than the wall mounted type refer to the catalog Save this Combination Table Please be sure to hand over this sheet to the user SANYO 4 Room Outdoor Unit Combination Table SAP CMRV3144EH lt Combinations of Connectable Indoor Units The combinations of the indoor units listed in Table 1 on the next page are combinations solely of those units which can be operated concurrently In addition to the combinations listed in the table other combinations of indoor units are possible provided that the following conditions are satisfied Conditions 1 Atleast two or more indoor units must be connected to the multi outdoor unit It is not acceptable for only one indoor unit to be connected 2 The total rated cooling capacity of the indoor units to be co
59. PM Cool Hi Heat Hi 750 750 Nominal Output Coil Resistance Ambient Temp 20 Safety Device Type Controller Over Current Protection Over Heat Protection Run Micro EL ExemalFinish Acrylic baked on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE 13 Outdoor Unit SAP CMRV1934EH Control PCB CB CMRV1934EH Control Circuit Fuse 250V 25A Compressor DC Twin Rotary Hermetic Compressor Model Nominal Output 5KD240XAB21 1 700W Compressor Oil Amount FV50S 900 Coil Resistance Ambient Temp 20 U V 0 720 V W 0 708 W U 0 726 Safety Device CT Peak current cut off control Yes Compressor Discharge Temp Control Operation cut off control in abnormal ambient Temp Yes Overload Relay Model Operation Temp Open 115 C Close 100 C Run Capacitor Micro F VAC Crankcase Heater 230V 25W Propeller Q ty Dia mm 1 0460 Model Q ty SIC 71FW D490 1 1 No of Poles Rough Measure RPM Cool Hi Heat Hi 750 750 Nominal Output Coil Resistance Ambient Temp 20 Safety Device Type Controller Over Current Protection Over Heat Protection Run Micro EL ExemalFinish Acrylic baked on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE 14 Outdoor U
60. Servicing Turn the power OFF at the main power box mains before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced Others Ventilate any enclosed areas when installing or test ing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dan gerously toxic gas Confirm upon completing installation that no refrigerant gas is leaking If escaped gas comes in contact with a stove gas water heater electric room heater or other heat source it can produce dangerously toxic gas Do not install only a single indoor unit 1 General Carpenter s level Sabre saw or key hole saw This booklet briefly outlines where and how to install the air conditioning system Please read over the entire set of instructions for the indoor and outdoor Hacksaw units and make sure all accessory parts listed are with Core bits the system before beginning If the electric wiring dia 9 Hammer gram does not appear in this manual pleas
61. Stops operation Frequency Approx 3 minutes Operates at the target frequency at Point A and below Stops increases to the frequency between Points and B Reduces the frequency by 1 Hz per 0 5 seconds when Point is exceeded Stops operation and restarts it appoximately minutes later if Point C is exceeded May operate when sudden voltage fluctuations occur gt Indicates trouble 1 Automatic frequency control The operating frequency is reduced automatically or operation is stopped in order to control the operating current so that it is at or below the values shown in the table below TT E Point C peak cut trip Point B Hz reduction a 5 as gt Point A Hz increase prohibit 16 6 16 6 09 During defrost operation the COOL current setting value is used 2 Current control The operating frequency upper limits shown in the figure below are established for frequency reduction and increase prohibit Current A Example of operation during cooling Trip Hz reduction Hz increase prohibit Hz reduction Hz increase EMPTORE 2 prohibit 16 a _ pp E Frequency Hz 39 7 2 3 Low Start Current Operation starts at 8 Hz and the start current is less than the normal operating current This prevents the flickering of fluorescent lights or television screens that occurs when ordinary A C units star
62. The strength of the installation location is sufficient to support the A C weight The indoor and outdoor units are installed level and vertically The power and voltage are as specified Inter unit cables are securely fastened to the terminal board Inter unit cables are securely fixed The power cord and inter unit cables are not connected anywhere along their paths The ground wire is securely connected An air purge of the refrigerant circuit has been conducted A leak test of the tubing connections has been performed Thermal insulation has been applied to the tubing connections Drain connections are secure and water drains properly Putty has been used to close the hole in the wall All service valves are fully open Remote controller signals are being positively received 19 D iring W 9 Electric Indoor uni SAP KMRV74 94 124EH TO OUTDOOR UNIT YOLSINYAHL YOLSINYAHL ww 118 ww 14 IND LAMP ASSY 9 IVNIWYAL NOI lt m LHM dr VH HOLO3NNOO e 12121 efe yo LLE LHM HH 5 49 LHM XD 5 TIVNIINH3 L HOLOIN LHM day HOLON dV 14 YOLOANNOO YEUGRN
63. Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This pre vents water damage and abnormal vibration In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle a Snowy Area for Heat Pump type Systems Position the outdoor unit in a protected location where snow will not blow into it Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run When
64. ameter 26 35 Service valve on wide tube side 72 Outer diameter 29 52 3 SAP CMRV2444 Service valve on narrow tube side Outer diameter 26 35 Service valve on wide tube side Outer diameter 29 52 Service valve on wide tube side Outer diameter 012 70 4 SAP CMRV3144 608 136 j Service valve on narrow tube side Outer diameter 26 35 Service valve on wide tube side Outer diameter 29 52 Z EIE Sasi Service valve on wide tube side Fig 6d Outer diameter 212 70 150 737070 11 unit mm 2 5 Diagram of Outdoor Unit Installation Never install only a single indoor unit Be sure to connect indoor and outdoor units only in combinations that are listed in the catalog or in the combination table that was provided with the outdoor unit Indoor unit D Use caution Connecting any other model may result in operation failure and malfunction _ Indoor unit C The dimensions indicated by lt gt in the figure below are spaces that are required in order to maintain performance Install in
65. and be sure to mount it on the copper tube 4 Make a flare at the end of copper tube with a flare tool Figs 10 and 11 Use RIGID or equivalent A good flare should have the following characteristics e inside surface is glossy and smooth e edge is smooth e tapered sides are of uniform length 3 5 Caution Before Connecting Tubes Tightly a Be sure to apply a sealing cap or water proof tape to prevent dust or water from getting into the tubes before they are used b Be sure to apply refrigerant lubricant to the matching surfaces of the flare and union before connecting them together This is effective for reducing gas leaks Fig 12 C For proper connection align the union tube and flare tube straight with each other then screw in the flare nut lightly at first to obtain a smooth match Fig 13 3 6 Tubing Connections a Temporary connection Screw in 3 5 rotations by hand Fig 14 b To fasten the flare nuts apply specified torque as Table 4 Tube Dia Tightening Torque 6 35 mm 14 18 N m 140 180 cm 9 52 mm 34 42 N m 340 420 kgf cm 12 70 mm 49 61 N m 490 610 kgf cm 15 88 68 82 N m 680 820 kgf Copper T tubing Fig 9 P If the previous tool clutch type is used Adjust so that the amount of tube protrusion is as shown in the figure Fig 10 If the spec
66. ant leak the basic performance of the air conditioner may be degraded because of a change in composition of the remaining refrigerant Therefore do not add new refrigerant Instead recover the remaining refrigerant with the refrigerant recovery unit Then after evacuation totally recharge the specified amount of refrigerant with the new refrigerant at its normal mixed composition state in liquid phase e When refrigerant R410A is used the composition will differ depending on whether it is in gaseous or liquid phase and the basic performance of the air conditioner will be degraded if it is charged while the refrigerant is in gaseous state Thus always charge the refrigerant while it is in liquid phase Ether type oil is used for compressor oil for R410A type units which is different from the mineral oil used for R22 Thus more attention to moisture prevention and faster replacement work compared with conventional models are required 9 2 Checklist before Servicing Use a clutch type flare tool for R410A or the conventional flare tool Note that sizes of the resultant flares differ between these two tools Where a conventional flare tool is used make sure to observe A Specification amount of extrusion by using the flare spacer Specification A Diameter of tube D Flare tool for R410A Conventional flare tool for R22 Dia 6 35 mm 1 4 Dia 12 7 mm 1 2 Dia 15 2 mm 5 8 e Size of flare Flare t
67. cant change in the indoor and outdoor temperatures and the previous conditions COOL are stored Outdoor air temperature is below 0 C Outdoor air temperature is 0 C or higher 60 seconds 55 Hz 180 seconds 90 seconds Table 2 36 fluctuation fan NE Control conditions Unit operation Explanation SENSOR The ON OFF operation The operation lamp illuminates The outdoor unit does not operate for 3 minutes DRY button on the remote The indoor fan operates at the set fan speed after the breaker is turned ON controller is pressed outdoor unit stops The outdoor unit starts The frequency is increased at the rate of 0 5 Hz every 1 seconds Compressor and the outdoor fan start When the frequency reaches Hz This is in order to stabilize the return of oil to the frequency increases are stopped for a period compressor of 8 seconds Refer to Table 2 The frequency then increases If the indoor and outdoor temperatures are high the current peak cut off activates stopping any increases in frequency The room temperature DRY operation starts Operating frequency is stabilized in order to reaches the desired maintain a comfortable environment temperature and there is no need for further DRY A operation ling The indoor fan changes between Low Operates to effectively dehumidify the air while and LL very low over a 6 minute cycle not exce
68. cloth or other means while welding When applying vacuum use the Use the special service magnet and rotate 5 revolutions clockwise to fully close the valve Then start the unit and measure the temperature at the inlet and outlet electric expansion valve by hand to check it No temperature change Temperature changes tubes of the electric expansion valve is closed special service magnet and rotate at least 5 revolutions Then rotate 5 revolutions counterclockwise to Replace the electric This part is normal counterclockwise to open the valve fully open the electric expansion valve Check elsewhere Operation is normal if the temperature expansion valve difference between the 2 tubes drops If you have manually checked the electric expansion valve be sure to reapply the outdoor power after you have replaced the wiring The position of the elecric expansion valve will changed 45 8 Branch tubing temperature sensor Check that the sensor is securely contained in the thermostat holder 9 Breaker Check whether or not the breaker has been tripped Check that the breakers and fuses used are of the specified capacity e Check that the breaker and its line are exclusive for A C use 10 Refrigerant gas pressure Start a COOL test run and messure the temperatures of the A C intake air and discharge air Compare the values with the performance charts e f the values are higher than the performance charts
69. connection Check carefully for leaks before starting the test run When Servicing e99000900909090090099990090999090099099909909099900900909999090999990900990000999900090990990909909000990990900990999009909900090990999009999909990999 Turn the power OFF at the main power box mains before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced Others CAUTION Ventilate any enclosed areas when installing or test ing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dan gerously toxic gas Confirm upon completing installation that no refrigerant gas is leaking If escaped gas comes in contact with a stove gas water heater electric room heater or other heat source it can produce dangerously toxic gas Do not install only a single indoor unit 1 General This booklet briefly outlines where and how to install the air conditioning system Please read over the entire set of instructions for the indoor and outdoor units and make sure all accessory parts listed are with the system before beginning If the electric wiring dia gram does not appear in this manual please check for the diagram on the indoor unit 1 1 Tools Required for Installation not supplied 1 S
70. e Be sure to charge the specified amount of refrigerant in liquid state using the service port of the wide tube service valve The proper amount is listed on the unit s nameplate When the entire amount cannot be charged all at once charge gradually while operating the unit in Cooling Operation Never charge a large amount of liquid refrigerant at once to the unit This may cause damage to the compressor When charging with a refrigerant cylinder use an electronic scale for charging refrigerant In this case if the volume of refrigerant in the cylinder becomes less than 20 of the fully charged amount the composition of the refrigerant starts to change Thus do not use the refrigerant if the amount in the charging cylinder is less than 20 Also charge the minimum necessary amount to the charging cylinder before using it to charge the air conditioning unit Example In case of charging refrigerant to a unit requiring 0 76Kg using a capacity of a 10Kg cylinder the minimum necessary amount for the cylinder is 0 76 10 x 0 20 2 76Kg For the remaining refrigerant refer to the instructions of the refrigerant manufacturer If using a charging cylinder transfer the specified amount of liquid refrigerant from the refrigerant cylinder to the charging cylinder Prepare an evacuated charging cylinder beforehand CAUTION Prevent the composition of R410A from changing never bleed the refrigerant gas
71. e check for 10 Drill the diagram on the indoor unit 11 Tube cutter 12 Tube flaring tool 1 1 Tools Required for Installation not supplied 13 Torque wrench 1 Standard screwdriver 14 Adjustable wrench 2 Phillips head screwdriver 15 Reamer for deburring 3 Knife or wire stripper 16 Vacuum pump For 410 4 measure 17 Manifold valve 1 2 Accessories Supplied with Unit RS 1 Packed in the outdoor unit pn pn 1 3 Optional Copper Tubing Kit 2 Foamed polyethylene insulation for the specified copper tubes as required to precise length of tub ing Wall thickness of the insulation should be not less than 8 mm Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the narrow and wide tubing fittings and insulation Consult your nearest sales outlet or A C workshop 3 Use insulated copper wire for field wiring Wire size varies with the total length of wiring Refer to 5 Wiring Instructions for details 1 4 Type of Copper Tube and Insulation Material If you wish to purchase these materials separately from a local source you will need 1 Deoxidized annealed copper tube for refrigerant Check local electrical codes tubing as detailed in Table 2 and regulations before obtaining wire Also check any specified instructions or limitations Cut each tube to the appropriate lengths 30 cm to 40 cm to dampen vibration between units Table
72. e of 1 Hz every 0 5 seconds When the indoor coil temperature rises Depending on the relationship between the the compressor starts remote controller temperature setting and the room temperature the compressor may stop temporarily in other words the thermostat and the indoor fan changes from LL may turn OFF to the set fan speed When the frequency reaches Hz frequency This is in order to stabilize the return of oil to the increases are stopped for a period of 8 seconds compressor Refor to Table 2 Freguency control The frequency then increases If the indoor and outdoor temperatures are high the current peak cut off activates stopping any increases in frequency The room temperature The indoor temperature and the remote Operating frequency is stabilized in order to has reached the desired controller temperature setting are maintain a comfortable environment temperature approximately equal The thermostat turns The indoor fan is stopped The outdoor unit stops It does not stop if the OFF thermostat for another indoor unit is ON Approximately 30 seconds after the thermostat turns OFF the indoor fan is stopped The indoor and outdoor In order to protect the compressor the outdoor The outdoor unit starts automatically after 3 temperatures are high unit will not operate for 3 minutes after the minutes temperature drops below the desired pressure balance is achieved allowing the te
73. e select an appropriate position from which every corner of the room can be uniformly cooled High on a wall is best Elevation difference H1 e select a location that will hold the weight of the unit Fig e select a location where tubing and drain hose have the g 98 shortest run to the outside Fig 1 e allow room for operation and maintenance as well as CAUTION unrestricted air flow around the unit Fig 2 Indoor unit 2 install the unit within the maximum For stable operation of the air p ah H2 above or below the outdoor unit and with a conditioner not install tubing length L1 L2 from the outdoor unit as detailed in wall mounted type indoor Table 3 and Fig 3a Minimum height units less than 1 5 m from from floor level floor level 1 5m Floor level Fig 3b e Install the indoor unit more than 1 meter away from any antenna or power lines or connecting wires used for tele vision radio telephone security system or intercom Electrical noise from any of these sources may affect operation e install in a sturdy manner to avoid increased operating noise Table 3 Max Allowable Max Allowable Limit of Limit of Elevation Required Amount Model Tubing Length Total Tubing Length Total Tubing Length Difference of Additional per unit m at Shipment L1 L2 m L1 L2 m H1 H2 m Refrigerant g m CMRV 1424 20 30 L1 L2 30 L1 L2
74. eed for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS When wiring 0006090099000099990009909990990990000990990009909900990999000090900000909900099009900009090000090990900090990999000009909000099909900099099900099999 ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tub ing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheating at connection points and a possible fire hazard When Transporting 6900000000000090000000909000000000000090000009000000000000000000000900000000000000090000000000000000000000000090000000000000099 Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend yo
75. ent Temp Overload Relay Mode Operation Temp Run Capacitor _ 0 S Propeller Q ty Dia mm 1 D460 WEE Coil Resistance Ambient Temp 20 C Safety Device Type Internal Controller Over Current Protection Yes Over Heat Protection Run Capacitor _ T CXe manger Coil Fin Pitch d LL Face Area NNNM masa Acrylic baked on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 3 Other Component Specifications Model No Quantity of Sensor sensor Name ofsensor SAP SAP SAP SAP SAP CMRV1424EH CMRV1924EH CMRV1934EH CMRV2444EH CMRV3144EH Outdoor air temp sensor TKS295B Outdoor heat exchanger sensor TKS292B i 1 SB BW sensor s EE CW CN sensor TKS292B 1 DW DN sensor TKS292B 40 NLLLLLLL 14 L LL 2 20 15 10 5 0 5 10 15 20 gt Temperature C C O N gt Resistance ohm N O Model No Quantity of Sensor Sensor Name of sensor SAP SAP SAP SAP SAP CMRV1424EH CMRV1924EH CMRV1934EH CMRV2444EH CMRV3144EH Gmweswwmsmo 3 3 1 Ae
76. er 1 2 UNF 20 threads Valve cor ZZ LLL WII lt Cap nut tightening torque 7 11 70 110 kgf cm Tighten by hand then use a wrench to turn approximately 30 Structure of service valve on wide tube side Fig 21 e When using a hex wrench to open the spindle an extremely small amount of refrigerant may leak This does not indicate a problem e Use a hex wrench of a type to which force can be easily applied 4 With the Lo knob of the manifold valve open and high pressure valve Hi closed completely run the vacuum pump Run the pump until the pres sure is 101 kPa 76 cmHg The operation time for the vacuum pump varies with tubing length and the capacity of the pump The following table shows the amount of time required for evacuation Table 5 Required time for evacuation when capacity of 100 vacuum pump is used 20 min or more The required time in the above table is calculated based on the assumption that the ideal or target vac uum condition is around 10 mmHg abs 5 With the vacuum pump still running close the Lo knob of the manifold valve Then stop the vacuum pump Fully close the low pressure valve and stop the vacuum pump Wait 1 2 minutes and check that the manifold gauge pointer does not return 11 it does return find and repair the leak then apply the vacuum again 6 With a hex wrench turn the
77. ers and fasten the inter unit cables at the location where the cables are double sheathed e Arrange the wiring so that the inter unit cables are contained in the inspection panel and tubing panel as shown in Fig 31 22 Power Single phase 220 240VAC 50HZ Power switch not provided Ground Power cable not provided 93 5 mm Less than 26 m Be sure to perform grounding e Attach a ground wire to either the outdoor unit or indoor unit e f there is a grounding terminal inside the room use the grounding screw inside the indoor unit e Be sure to apply the provided labels to both ends of the inter unit cables to prevent mis wiring The units will not function if the wiring connections are incorrect Regulations on wire size differ from locality to locality For field wiring requirements please refer to your local electrical codes Make sure that the installation fully complies with all local and national regulations 1 Remove access panel Fig 32 2 Connect the inter unit wiring and power line according to the drawing on the panel side 3 Be sure to size each wire allowing approx 10 cm longer than the required length for wiring Store excess wiring inside the cabinet 4 When connections are completed check that all connections are correct as shown in the wiring system diagram on panel side 5 Be sure to ground the unit according to your local codes
78. f indoor units as representative models details the connection of indoor units other than the wall mounted type refer to the catalog SANYO Electric co Ltd Osaka Japan March 2006 Printed in Japan T
79. f tubes A and B and immediately stop operation to Fig 23 In the winter the outdoor unit may stop after 5 10 minutes of operation This is in order to protect the indoor unit heat exchanger from freezing and does not indicate a problem Disconnect the manifold gauge and the inter unit tubes and attach the caps and flare nuts At this point pump down is completed If the caps and flare nuts are not reattached there is the danger of gas leakage Refer to Fig 24 If pump down is not possible If the A C cannot be operated because of a malfunction or other cause use a refrigerant recovery device to recover the refrigerant 13 E Close Charging port 25 Narrow tube side he oss Z Fig 22 Wide tube side RA After disconnecting the inter unit tubes Cap lt 0 attach the flare nuts D with flare bonnets 5 Wiring Instructions 5 1 General Precautions on Wiring 1 Before wiring confirm the rated voltage of the unit as shown on its nameplate then carry out the wiring closely following the wiring diagram Provide a power outlet to be used exclusively for each unit with a power supply disconnect and circuit break er for overcurrent protection provided in the exclusive line To prevent possible hazard due to insulation failure the unit must be grounded 4 Each wiring connection must be done tightly and in accordance with the
80. flow 7 special for lt R410A use a vacuum pump to perform the air purge Never perform an air purge by using the refrigerant gas cylinder or other external gas or by using the gas inside the outdoor unit Perform the air purge for tubes A and B Use the same procedures for all tubes Hex wrench nominal size 4mm not provided Charging hose With push pin special for R410A Fig 20 In order to prevent charging errors with that uses R410A the screw diameter at the service valve charging port has been changed When recharging or per forming other servicing use the special charging hose and manifold gauge 1 Check that each tube both narrow and wide tubes between the indoor and outdoor units have been properly connected and all wiring for the test run has been completed Note that both narrow and wide tube service valves on the outdoor unit are kept closed at this stage Using an adjustable wrench or box wrench remove the valve caps from the service valve on both narrow and wide tubes Connect a vacuum pump and a manifold valve with pressure gauges to the service port on the wide tube service valve Fig 20 Before using the vacuum pump adapter read the vacuum pump adapter manual and use the adapter correctly Be sure to use a manifold valve for air purging If it is not available use a stop valve for this purpose The Hi knob of the manifold valve must always be kept clo
81. for the pressurized gas and never use a refrigerant other than R410A Also do not use oxygen or any flammable gas 5 Evacuation e Use a solenoid valve installed vacuum pump so even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back The equipment may be damaged if moisture remains in the tubing thus carry out the evacuation thoroughly When using a vacuum pump with exhaust air volume more than 25L min and ultimate vacuum pressure rate of 0 05Torr Standard time for evacuation 1 Detect leaks OK 2 Recover refrigerant OK 3 Weld leaking points OK 4 Check for sealing OK 5 Evacuation OK 6 Recharge Length of tubing Less than 10 meters More than 10 meters More than 10 minutes More than 15 minutes 6 Recharging Recharge unit in the same manner explained on the previous page 5 Recharging 53 9 7 Charging Additional Refrigerant 9 7 1 When Tubes are Extended Observe the proper amount of refrigerant as stated in this service manual or the installation manual that came with the indoor unit Charge additional refrigerant in liquid state only N CAUTION Never charge additional refrigerant if refrigerant is leaking from the unit Follow instructions given in 12 6 In Case Refrigerant is Leaking and completely carry out repairs Only then should you recharge the refrigerant
82. forming voltage measurement at the outdoor controller connector for 3 in the table below the DC motor will trip and voltage output will stop approximately 10 seconds after operation is started For this reason to measure the voltage again first turn OFF the outdoor unit power then follow the instructions in Checking the Outdoor Unit and again set the unit to Test Run mode Trouble symptom 1 fan does not stop when the outdoor unit stops Outdoor unit controller trouble Trouble symptom 2 The fan motor does not rotate when the outdoor unit is operating Diagnostic procedure Disconnect the motor connectors and measure the voltage at the DC motor connectors on the outdoor unit controller 3 locations Measurement location 1 Vs Gnd Between pin 1 and pin 4 DC 230V or more 2 Vcc Gnd Between pin 5 and pin 4 DC 14V or more 3 Vsp Gnd Between pin 7 and pin 4 After fluctuating 4 times between DC 1 0 to 4 3V 1 sec ON and DC 1 sec OFF the DC motor trips Diagnostic results All of the above measured values are normal Fan motor trouble Replace the motor Any one of the above measured values is not normal Outdoor unit controller trouble Replace the controller Reference DC motor connector pin arrangement SAP CMBV1424EH SAP CMRV 1924EH CMRV 1934EH SAP CMRV2444EH CMRV3144EH Pin 1 Vs white Pin 1 Vm red Pin 2 Not used Pin 2 Not used Pin 3 Not used Pin 3 Not used Pin 4 G
83. ght Net Kg Shipping kg Shipping Volume 0 22 DATA SUBJECT CHANGE WITHOUT NOTICE Remarks 1 The Values shown in perfromance section and electrical rating section above are based on the following unit combination For other combination unit please refer to the Unit Combination Table in this manual Indoor Unit SAP KMRV94EH 2units Outdoor Unit SAP CMRV1424EH 2 Rating conditions are Cooling Indoor air temp 27 D B 19 W B Heating Indoor air temp 20 D B Outdoor air temp 35 D B 24 C W B Outdoor air temp 7 C 6 C W B Outdoor Unit SAP CMRV1924EH Voltage Rating 230V Capacity 2 1 to 6 8 7 3 2 4t08 4 i 7 200 to 23 200 24 900 8 200 to 28 700 Air Circulation High m h 5 Fair EER 3 Fan Speeds Auto Hi Me Lo OpertionSoud 90 5 a Refrigerant Narrow tube mm in 6 35 1 4 x Tube Diameter Wide tube mm in 9 52 3 8 x 5 Dimensions amp Weight Unit Dimensions Package Dimensions Weight Net kg Shipping 0 Shipping Volume m DATA SUBJECT TO CHANGE WITHOUT NOTICE Remarks 1 The Values shown in perfromance section and electrical rating section above are based on the following unit combination For other combination unit please refer to the Unit Combination Table in this manual Indoor Unit SAP KMRV94EH SAP KRV184EH 1unit Outdoor Uni
84. ial R410A flare tool is used nut le Copper di tubing Flare tool Fig 11 Apply refrigerant lubricant here and here Fig 12 Union Flare nut Fig 13 Service valve on narrow tube side 2521 wide tube side 148 Apply the provided labels to the indoor and outdoor D unit tubing connectors to prevent errors in connections Fig 14 tubing and electric wiring between indoor and outdoor units For more details refer to Tubing Check Control in the Technical amp Service Manual Nis Be sure to match refrigerant 3 7 Insulation of Refrigerant Tubing To prevent heat loss and wet floors due to dripping of con densation both tubes must be well insulated with a proper insulation material The thickness of the insulation should be a minimum 8 mm Fig 17 3 8 Taping the Tubes After a tube has been insulated never try to bend it into a narrow curve as this may cause the tube to break or crack 1 Atthis time the 2 refrigerant tubes and electrical wire if local codes permit should be taped together with armoring tape The drain hose may also be included and taped together as 1 bundle with the tubing 2 Wrap the armoring tape from the bottom of the outdoor unit to the top of the tubing where it enters the wall As you wrap the tubing overlap half of each previous tape turn
85. ing voltage DC 311 V even after the power is turned OFF and some time is required for the charge to dissipate Be careful not to touch any electrified parts before the control circuit board Power Lamp red turns OFF If the outdoor control circuit board is normal approximately 180 seconds will be required for the charge to dissipate However allow at least 30 minutes for the charge to dissipate if it is thought there might be trouble with the outdoor control circuit board For example if the outdoor control circuit board fuse has blown approximately 30 minutes will be required to discharge the high capacity electrolytic capacitors 41 8 2 Trouble Diagnosis by Error Monitor Lamps ETT To pevent electric chock do not inspect or repair until the Power Lamp on the P C Board is turned off 8 2 1 Location of the Error Monitor Lamps Remove the top plate of outdoor unit and the cover of Electrical Component Box The Power Lamp and Error Monitor Lamps are located on the P C Board of Electrical Component Box Fig 1 Heat Exchanger Rear side P C Board of Electrical Component Box Error Monitor Lamps Power Lamp Front side Fig 1 View from top ERRO ERR1 ERR2 ERR3 8 2 2 Display of the Error Monitor Lamps If a protective device has activated or there is a sensor failure in the outdoor unit the 4 error monitor lamps on the outdoor control circuit board will indicate the nature of the trouble Q ON
86. into the atmosphere while transferring the refrigerant Fig 3 Do not use the refrigerant if the amount in the charging cylinder is less than 20 52 Configuration and characteristics of cylinders Single valve Charge liquid refrigerant with cylinder in up side down position Fig 1 Single valve with siphon tube Charge with cylinder in normal position Fig 2 Charging cylinder Refrigerant cylinder Fig 3 9 6 Case Refrigerant is Leaking CAUTION Never attempt to charge additional refrigerant when refrigerant has been leaking from the unit Follow the procedure described below to locate points of leaks and carry out repairs then recharge the refrigerant 1 Detecting Leaks e Use the detector for R410A to locate refrigerant leak points 2 Recovering refrigerant e Never release the gas to the atmosphere recover residual refrigerant using the refrigerant recovery unit for R410A instead Do not reuse the recovered refrigerant because its composition will have been altered 3 Welding leaking points Confirm again that no residual refrigerant exists in the unit before starting welding Weld securely using flux and wax for R410A Prevent oxide film from forming inside the tubes utilizing substitution with nitrogen N2 in the refrigerant circuit of the unit Leave ends of tubes open during welding 4 Checking for sealing Use nitrogen gas
87. is located on the indoor unit PCB If a HA device will be used connect it to this terminal Also refer to Section 9 ELECTRIC WIRING DIAGRAM in the outdoor unit installation manual 8 Installation Check Sheet The strength of the installation location is sufficient to support the A C weight The indoor and outdoor units are installed level and vertically The power and voltage are as specified Inter unit cables are securely fastened to the terminal board Inter unit cables are securely fixed The power cord and inter unit cables are not connected anywhere along their paths The ground wire is securely connected An air purge of the refrigerant circuit has been conducted A leak test of the tubing connections has been performed Thermal insulation has been applied to the tubing connections Drain connections are secure and water drains properly Putty has been used to close the hole in the wall All service valves are fully open Remote controller signals are being positively received 24 SAP KRV184 244EH TVNIINH3LL NOI p 2 leleii LHM dt HOLSIINH3HLL 1109 cane amp N9 18g HOLSIINH3H L HOLON 919 S S 0 LHM d0L LHM dS onm 6 6
88. it installation manual e Perform the test run separately for each connected indoor unit If 2 units are operated simultaneously it is not possible to correctly check for errors in tubing and wiring e f the room temperature is 15 or below it may be possible to check for tubing errors with cooling operation If this occurs perform heating operation for each unit individually and check that warm air is dis charged from each unit If there is cold air mixed in with the warm air check the tubing connections again Checking tubing and wiring Perform the test run and check that operation is normal If there is an error in tubing or wiring the refrigerant may flow to indoor unit B when indoor unit A is operated for example e Stop operation immediately if there is an error in tub ing or wiring Turn the power breaker to OFF and check whether the inter unit cables are connected incorrectly or whether the narrow tubes A and B are connected in reverse Correct the connections e there is an error in tubing pump down must performed Be sure to perform pump down After making corrections again purge the air from the tubes 18 7 Connecting Home Automation Device The HA white 4P terminal is located on the indoor unit PCB If a HA device will be used connect it to this terminal Also refer to Section 9 ELECTRIC WIRING DIAGRAM in the outdoor unit installation manual 8 Installation Check Sheet
89. l conditions The outdoor unit does not operate for 3 minutes even after the breaker is turned ON The frequency is increased at the rate of 0 5 Hz every 1 seconds This is in order to stabilize the return of oil to the compressor If the indoor and outdoor temperatures are high the current peak cut off activates stopping any increases in frequency Operating frequency is stabilized in order to maintain a comfortable environment The outdoor unit stops It does not stop if the thermostart for another indoor unit is ON After 3 minutes the outdoor unit begins operating automatically During these 3 minutes a pressure balance is achieved allowing the compressor to start more easily In order to protect against freezing the compressor stops temporarily until the temperature of the indoor heat exchanger has risen Stop All indicator lamps turn OFF The indoor and outdoor units stop Operation is restarted within 4 hours only when AUTO mode is selected with the remote controller Operation starts after 4 hours or more have passed Frequency control Hz Starts operating in the same operating mode COOL and with the same temperature settings as before operation was stopped New operating mode is determined based on the temperature conditions at the time the ON OFF operation button is pressed Within 4 hours after operation was stopped it is assumed that there has been no signifi
90. le 1 Indoor Unit Capacity KW COOLING HEATING OPERIS 1 COOLING X HEATNG J eh iu i d Total Performance d i Total Performance Capacit Min Max Capacit Min Max Single room Operation 2 room Operation Hl H H H H H H I M M lt m 3 room Operation Hl H H H H H H H H H H H H H H H H H H H H IH M M M M M 7 4 room Operation I al l H H H H H H H H H H H H H H H H H H H H H H H IH M M SS eS lt ee Oo 1 PS O 5 O OO 09 OO OO OO OO OO OO OO OO OO OO CO O7 OO CO CO CO The table lists the wall mounted type o
91. lso be sure the con densation drain hose splits away from the bundle and drips clear of the unit and the tubing 3 9 Finishing the Installation After finishing insulating and taping over the tubing use sealing putty to seal off the hole in the wall to prevent rain and draft from entering Fig 19 15 Torque wrench Spanner Indoor unit Outdoor unit Fig 15 LE Insulation Fig 16 Insulation Thickness Min min 8 mm 8 mm Fig 17 Apply putty here Tubing Fig 19 4 Air Purging Air and moisture remaining in the refrigerant system have undesirable effects as indicated below Therefore they must be purged completely Service valve on narrow e pressure in the system rises operating current rises Service Low pressure valve on e e cooling efficiency drops valve moisture in the air may freeze and block capillary wide tube sue I Leave the in valve open e water may lead to corrosion of parts in the refrigerant system Hex wrench nominal size 4mm not provided Air Purging with a Vacuum Pump for Test Run e In order to protect the earth s environment be sure to With push pin NOE Charging hose special for R410A S Manifold gauge special for R410A High pressure valve Vacuum pump adapter for preventing reverse flow special for 84104 Fig 20 use a vacuum
92. manifold gauge pointer does not return If it does return find and repair the leak then apply the vacuum again 6 With a hex wrench turn the valve stem on the nar row tube service valve counter clockwise by 90 degrees 1 4 turn for 10 seconds and then turn the stem clockwise to close it again CAUTION Be sure to completely insert the hex wrench before attempting to turn the valve 7 With a standard screwdriver turn the wide tube service valve stem counterclockwise to fully open the valve 8 Turn the narrow tube service valve stem counter clockwise to fully open the valve 9 Loosen the vacuum hose connected to the wide tube service port slightly to release the pressure Then remove the hose 10 Leak test all joints at the tubing both indoor and outdoors with liquid soap Bubbles indicate a leak Be sure to wipe off the soap with a clean cloth If a CFC gas detector is used use a special detector for HFC refrigerant such as R410A and R134a 12 11 Replace the nut the wide tube service port and fasten the flare nut securely with an adjustable wrench box wrench Next mount the valve cap and tighten it with a torque wrench the cap needs to be tightened with the torque of 20 N m 200 kgf cm This process is very important to prevent gas from leaking from the system 12 13 14 Test run the air conditioner See page 23 If there is no leakage stop the air conditione
93. mperature compressor to start more easily The frequency is not increased even if The amount of heat pump exceeds the amount there is a difference between the room of heat radiation from the room temperature and the desired temperature Therefore there is no need to further increase In some cases the frequency may be the compressor capacity and the frequency is decreased stabilized or lowered The thermostat turns ON The indoor unit is stopped The unit operated before and the temperature of the indoor heat exchanger is relatively warm Therefore the fan speed may start at the set fan speed at the same time that the thermostat turns ON 34 Control conditions Unit operation Explanation HEAT When defrost operation Non stop defrost Defrost operation begins based on outdoor begins frost has formed temperature conditions on the outdoor unit when the ambient air Indoor fan Stopped Non stop defrost Refer to Fig 1 temperature is low Outdoor fan Stopped 1 After HEAT operation begins the temperature Compressor 80 Hz of the outdoor heat exchanger is at or below the L1 line for 35 minutes Solenoid valve for gas bypass If outdoor air temperature is less than 3 C 4 way valve Remains ON the time is 48 minutes Operation lamp Red and orange ON After HEAT operation begins the temperature alternately of the outdoor heat exchanger is at or below the L2 line for 120 minutes The o
94. n Material Additional Materials Required for Installation 2 INSTALLATION SITE SELECTION 4 2 1 Indoor Unit Combine indoor and outdoor units only as listed in T1 2 2 Connecting Indoor Units the combination tables for 2 room 3 room or 2 3 Outdoor Unit 4 room outdoor unit as shown in its respective 2 4 Outer Dimensions of Outdoor Unit manual rt 2 5 Diagram of Outdoor Unit Installation 73 Power Source 3 INSTALLATION PROCESS 13 50 Hz single phase 220 240 3 1 Embedding the Tubing and Wiring 3 2 Drain Cap and Drain Elbow Be sure to read the yellow instruction sheet 3 3 Use of the Flaring Method attached to the outdoor unit for models using the 3 4 Flaring Procedure with a Flare Tool new refrigerant 3 5 Caution Before Connecting Tubes Tightly 3 6 Tubing Connections Combination example 3 7 Insulation of Refrigerant Tubing 3 8 Taping the Tubes Indoor unit B 3 9 Finishing the Installation 4 16 E Air Purging with a Vacuum Pump for Test Run Pump Down 5 WIRING INSTRUCTIONS SAP KMRV74EH SAP KMRV94EH SAP KMRV 124EH SAP KRV184EH SAP KRV244EH SAP CMRV1924EH SAP CMRV1934EH SAP CMRV2444EH SAP CMRV3144EH 5 1 General Precautions on Wiring 5 2 Recommended Wire Length and Diameter Oo 5 3 Wiring System Diagram m3 5 4 How
95. nd black Pin 4 Gnd blue Pin 5 Vcc red Pin 5 Vcc brown Pin 6 FG blue Pin 6 PG white Pin 7 Vsp yellow Pin 7 Vsp orange Trouble symptom 3 Motor rotates for some time several seconds but then quickly stops when the outdoor unit operates There is trouble in the system that provides feedback of motor rotation speed from the motor to the outdoor unit controller Trouble symptom 4 motor rotation speed does not change during outdoor unit operation Trouble symptom 5 motor rotation speed varies excessively during outdoor unit operation Remedy for symptom 3 to 5 It is not possible to identify whether the trouble is outdoor unit controller trouble or motor trouble Therefore first replace the outdoor unit controller then if necessary replace the DC motor 47 9 REFRIGERANT SPECIAL PRECAUTIONS WHEN SERVICING UNIT 9 1 Characteristics of New Refrigerant R410A 9 1 1 What is New Refrigerant R410A is a new refrigerant that contains two types of pseudo non azeotropic refrigerant mixture Its refrigeration capacity and energy efficiency are about the same level as the conventional refrigerant R22 9 1 2 Components mixing proportions 2 5096 HFC125 50 9 1 3 Characteristics e Less toxic more chemically stable refrigerant e composition of refrigerant R410A changes whether it is in a gaseous phase or liquid phase Thus when there is a refriger
96. nd tighten the removed terminal screw using a screw driver Fig 30 16 7mm ACTUAL STRIP SIZE SIZE Fig 26 Solid wire Loop Insulation 25 mm Fig 27 Stranded wire O Ring S 10 Fig 28 Twist wire ends E gt Fig 29 Special P Screw Screw and special washer Ring a connector 5 5 Wiring Instructions for the Outdoor Unit e Be sure to correctly align inter unit cables A and B Outdoor unit A Terminal board G9 G9 20 69 G9 G9 29 G2 1 2 9 4 56 7 8 Single phase indi 50HZ WA Indoor unit s Power switch He not provided is the indoor unit wi refrigerant tubing that is Terminal board _ J connected to service valve Ground Inter unit cables A top of the outdoor unit H pi Power cable provided IE A 93 5 mm Less than 26 Indoor unit B Be sure to perform grounding B is the indoor unit with e Attach a ground wire to either the fri t tubing that i outdoor unit or indoor unit B top of the outdoor unit TT Inter unit cables If th inal E 01 0 not provided e f there is a grounding termina 828 inside the room use the grounding screw inside the indoor unit e Be sure to apply the provided labels to both ends of the inter uni
97. nector special washer Terminal plate Ring 477 connector Z Wire Fig 30 5 5 Wiring Instructions for the Outdoor Unit CAUTION e Be sure to correctly align inter unit cables A B C and D Outdoor unit A Terminal board Indoor unit A is the indoor unit with refrigerant tubing thatis mp Terminal board connected to service valve 1 2 3 top of the outdoor unit pote Inter unit cables ER 01 0 not provided zl refrigerant tubing that is I I Terminal board connected to service valve Inter unit cables 123 B top of the outdoor unit TT 01 0 not provided Label Indoor unit C is the indoor unit with refrigerant tubing that is connected to service valve C top of the outdoor unit Indoor unit B B is the indoor unit with CEE Terminal board S Inter unit cables IB IE C 01 0 not provided Indoor unit D D is the indoor unit with refrigerant tubing that is I I Terminal board connected to service valve 1 2 3 D top of the outdoor unit Inter unit cables D 01 0 not provided 0 Fig 31 e Use a dedicated A C circuit for power e make connections to the outdoor unit remove the inspection panel and tubing panel e Do not bring the inter unit cables or power cable into contact with tubing or service valves e Use outdoor unit cable fasten
98. ng Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run When Servicing Turn the power off at the main power box mains before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced Others CAUTION Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm upon completing installation that no refrigerant gas is leaking escaped gas comes in contact with a stove gas water heater electric room heater or other heat source it can produce dangerously toxic gas APPLICABLE INDOOR UNIT 1 OPERATING RANGE Table of Contents 2 SPECIFICATIONS 2 1 2 2 2 3 3 DIMENSIONAL DATA Misrielor ie MEET Major uuu uu xo 4 REFRIGERANT FLOW DIAGRAM 4 1 Relrigerani Flow Diagrami usu aura OE
99. nit SAP CMRV2444EH Control PCB CB CMRV2444EH Control Circuit Fuse 250V 25A Compressor DC Twin Rotary Hermetic Compressor Model Nominal Output 5KD240XAB21 1 700W Compressor Oil Amount FV50S 900 Coil Resistance Ambient Temp 20 U V 0 720 V W 0 708 W U 0 726 Safety Device CT Peak current cut off control Yes Compressor Discharge Temp Control Operation cut off control in abnormal ambient Temp Yes Overload Relay Model Operation Temp Open 115 C Close 100 C Run Capacitor Micro F VAC Crankcase Heater 230V 25W Propeller Q ty Dia mm 1 0460 Model Q ty SIC 71FW D490 1 1 No of Poles Rough Measure RPM Cool Hi Heat Hi 750 750 Nominal Output Coil Resistance Ambient Temp 20 Safety Device Type Controller Over Current Protection Over Heat Protection Run Micro EL ExemalFinish Acrylic baked on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE 15 Outdoor Unit SAP CMRV3144EH Control PCB CB CMRVS144EH Control Circuit Fuse 250V 25A Compressor DC Twin Rotary Hermetic Compressor Model Nominal Output 5JD420XAB22 3 000W Compressor Oil Amount FV50S 1 200 Coil Resistance Ambient Temp 20 Safety Device CT Peak current cut off control Compressor Discharge Temp Control Operation cut off control in abnormal ambi
100. nnected must be no more than 200 of the rated cooling capacity of the outdoor unit CAUTION In this case all the indoor units installed must not be operated concurrently under any N circumstances Otherwise the air conditioner may not run properly and trouble may occur Example When four indoor units are connected If the following holds true Rated cooling capacity of SAP CMRV3144EH outdoor unit C 8 kW Rated cooling capacity of indoor units K1 K2 KW Then C x 2 200 K1 2 2 2 2 2 2 3 5 7 1 162 15 is therefore possible to connect four units with respective capacities of 2 2 2 2 3 5 7 1 However since this combina tion is not found in the 4 room operation column of Table 1 operating all these units concurrently may result in trouble At a time like this shut down at least one of the four indoor units to match one of the combinations found in the 3 room opera tion column of Table 1 Be sure to operate the air conditioning system only when 2 or more indoor units have been installed If operated with only a single unit installed the returning fluid to the compressor may cause a malfunction SANYO Electric Co Ltd Pub 01 85264180804000 SANYO 2006 Osaka Japan Combinations of operatable indoor units gt SAP CMRV3144EH Rated cooling capacity 8 0 kW 22 SAP KMRV74EH 2 65 SAP KMRV94EH 3 5 SAP KMRV124EH 5 15 SAP KRV184EH 7 1 SAP KRV244EH Tab
101. not plugged at the time of factory shipment If necessary plug the drain hole with the accessory drain cap or mount the accessory drain elbow before installing the outdoor unit Fig 7 CAUTION When installing in a cold area where drainage water may freeze do not attach the provided drain cap or drain elbow to the bottom plate of the unit 3 3 Use of the Flaring Method Many of the conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units In this method the copper tubes are flared at each end and connected with flare nuts 3 4 Flaring Procedure with a Flare Tool 1 Cut the copper tube to the required length with a tube cutter It is recommended to cut approx 30 50 cm longer than the tubing length you estimate 2 Remove burrs at the end of the copper tube with a tube reamer or file This process is important and should be done carefully to make a good flare Fig 8 13 Accessory drain cap Outdoor unit N Accessory drain cap N Accessory drain elbow Fig 7 Deburring Fig 8 NNNN N Y NOTE When reaming hold the tube end downward and be sure that no copper scraps fall into the tube Fig 9 V 3 Remove the flare nut from the unit and be sure to mount Reamer it on the copper tube gt 4 Make at the end of copper tube
102. o more than 200 of the rated cooling capacity of the outdoor unit CAUTION In this case all the indoor units installed must not be operated concurrently under any N circumstances Otherwise the air conditioner may not run properly and trouble may occur Example When three indoor units are connected If the following holds true Rated cooling capacity of SAP CMRV1934EH outdoor unit C 5 6 kW Rated cooling capacity of indoor units K1 K2 KW Then C x 2 200 K1 5 6 x2 gt 2 2 3 5 5 15 11 2 10 85 It is therefore possible to connect three units with respective capacities of 2 2 3 5 5 15 However since this combination Is not found in the 3 room operation column of Table 1 operating all these units concurrently may result in trouble At a time like this shut down at least one of the three indoor units to match one of the combinations found in the 2 room operation column of Table 1 Be sure to operate the air conditioning system only when 2 or more indoor units have been installed If operated with only a single unit installed the returning fluid to the compressor may cause malfunction SANYO Electric Co Ltd Pub 01 85264180811000 SANYO 2006 Osaka Japan Combinations of operatable indoor units gt SAP CMRV1934EH Rated cooling capacity 5 6 kW b OE 3 5 SAP KMRV124EH 5 15 SAP KRV184EH Table 1 Indoor Unit Capacity kW COOLING HEATING NUI UE
103. ool for R410A Conventional flare tool R22 48 e Tubing precautions e Refrigerant R410A is more easily affected by dust or moisture compared with R22 thus be sure to temporarily cover the ends of the tubing with caps or tape prior to installation Never use 0 7mm thick copper tubing or tubing which is less than 0 8mm in thickness since air conditioners with R410A are subject to higher pressure than those using R22 and R407C e No addition of compressor oil for 410 No additional charge of compressor oil is permitted e No use of refrigerant other than R410A Never use a refrigerant other than R410A e If refrigerant R410A is exposed to fire Through welding etc toxic gas be released when R410A refrigerant is exposed to fire Therefore be sure to provide ample ventilation during installation work e Caution in case of R410A leak Check for possible leak points with the special leak detector for R410A If a leak occurs inside the room immediately provide thorough ventilation 49 9 3 Tools Specifically for R410A e For servicing use the following tools for R410A Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Charging cylinder Refrigerant recovery unit Tools specifically for R410A Vacuum pump with anti reverse flow 1 Solenoid valve installed type which prevents oil from flowing back into the unit when the power is off is recommended Vacuum pump 2 be used if the foll
104. oor unit Indoor unit Power breaker Service space My Uy 27777777 15 of space if a drain hose is to be used 4 S ON Base not provided concrete or similar material Ground Fasten with anchor bolts wire not not provided 3 8 or M10 4 locations provided z z Z 22 ZA 5 My 777 77777777777777725 777 17 YW YU M 77 Wy Uf Z ff 7 Z Z Uff MN If Z Wy YU SS RD M Access panel Fig 6b 7 3 Installation Process 3 1 Embedding the Tubing and Wiring e Do not connect tubes to locations that are embedded e Be sure to bind refrigerant tubing and inter unit cables together with vinyl tape e The power cable must be obtained on site 03 5 Less than 26 m e Be sure to apply the provided labels to both ends of the inter unit cables to prevent miswiring e Securely seal the end of embedded tubing with vinyl tape in order to prevent dirt or moisture entry e order to prevent insulation breakdown and ground faults do not allow the wire ends to contact rainwater or be subject to dew condensation
105. owing adapter is attached Vacuum pump adapter reverse flow prevention adapter 3 Solenoid valve installed adapter attached to a conventional vacuum pump Electronic scale for charging refrigerant Flare tool Bender Tools which can be com Torque wrench monly used for R22 R407C and R410A Cutter reamer Welding tool nitrogen gas cylinder Doing so will cause malfunction of the unit aren The above tools specifically for R410A must not be used for R22 and R407C For the above vacuum pump 1 2 and vacuum pump adapter 3 those for R22 type units can be used for R410A type However they must be used exclusively for R410A and never alternately with R22 and R407C prevent other refrigerants R22 R407C from being mistakenly charged to this unit shape and external diameter of the service port screw has been altered External diameter of service R410A 7 94 mm 5 16 R22 R407C 6 35 mm 1 4 9 4 Tubing Installation Procedures When the tubes are connected always apply HAB oil on the flare portions to improve the sealing of tubing The following is the HAB oil generally used Esso ZERICE 532 For details on tubing installation procedures refer to the installation manuals attached to the indoor unit and outdoor unit 50 9 5 Case of Compressor Malfunction CAUTION e Should the compressor malfunction be sure to make the switch to a replacement compressor as q
106. pump to perform the air purge Never perform an air purge by using the refrigerant gas cylinder or other external gas or by using the gas inside the outdoor unit Perform the air purge for tubes A B C and D Use the same procedures for all tubes M to prevent charging errors with at uses 410 the screw diameter at the service valve charging port has been changed When recharging or per forming other servicing use the special charging hose and manifold gauge 1 Check that each tube both narrow and wide Stopper Cap tightening torque tubes between the indoor and outdoor units have been properly connected and all wiring for the test run has been completed Note that both narrow and wide tube service valves on the outdoor unit are kept closed at this stage Using an adjustable wrench or box wrench remove the valve caps from the service valve on both narrow and wide tubes Connect a vacuum pump and a manifold valve with pressure gauges to the service port on the wide tube service valve Fig 20 Before using the vacuum pump adapter read the vacuum pump adapter manual and use the adapter correctly Be sure to use a manifold valve for air purging If it is not available use a stop valve for this purpose The knob of the manifold valve must always be kept closed 16 20 25 200 250 kgf cm Tighten by hand then use a wrench to turn Spindle Screw diamet
107. r 15 Wipe off the soap on the tubing This completes air purging with a vacuum pump and the air conditioner is ready for actual operation m Pump Down While the air conditioner is running apply liquid soap to check for any gas leaks around the service valves or caps In order to protect the earth s environment be sure to perform pump down to recover refrigerant gas without releasing it into the atmosphere e When relocating or disposing of the A C request this service from the dealer where the unit was purchased or from an appropriate agent Perform pump down as described below What is pump down e Pump down refers to recovering the refrigerant gas from the refrigerant cycle at the outdoor unit This work must be performed during cooling operation The refrigerant gas cannot be recovered during heating operation e During winter or if the temperature sensor prevents cooling operation perform forced cooling operation Pump down procedure 1 Fully close the spindles at the valves on the narrow tube side of tubes A and B Refer to Fig 22 2 Connect the manifold gauge to the charging port at the valve on the wide tube side of tube B Purge the air from the charging hose Refer to Fig 23 Perform cooling operation or forced cooling operation When the pressure at the low pressure side is 0 15 0 2 MPa 0 5 1 kg cm G fully close the spindles at the valves on the wide tube side o
108. r loosen the terminal screw the terminal plate 3 Insert the wire and tighten the terminal screw com pletely using a screwdriver b For Outdoor Unit For solid core wiring or F cable 1 Cut the wire end with a cutting pliers then strip the insulation to expose the solid wire about 25 mm Fig 27 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using the pliers bend the solid wire to form a loop Suitable for the terminal screw 4 Shape the loop wire properly place it on the termi nal plate and fix it securely with the removed termi nal screw using a screwdriver For stranded wiring 1 Cut the wire end with a cutting pliers then strip the insulation to expose the stranded wiring about 10 mm and tightly twist the wire ends Figs 28 and 29 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring connector Fig 28 4 Place the ring connector wire and replace and tighten the removed terminal screw using a screw driver Fig 30 21 Special washer SIZE SIZE WW Fig 26 Solid wire Loop Insulation 25 mm Fig 27 Stranded wire O Ring connector 10 mm Fig 28 Twist wire ends Z lt 47 Fig 29 p Screw D Screw and Ring con
109. r circuits in order to release Be sure to connect power wires correctly charged electricity and electrical noise matching up numbers on terminals of the caused by high tension outdoor unit and respective indoor units A D Otherwise electrical shock may occur Place a dedicated ground more than 2 meters away from other grounds and do not have it shared with other electric appliances 2 indoor units with SAP CMRV1924 B Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram OUTDOOR UNIT 5 a The indoor unit draws its power from the 6 Tertiae outdoor unit 2 E T e Do not run wiring for antenna signal or power 7 5 lines of television radio stereo telephone security system or intercom any closer than 1 meter from the power cable and wires between E BOE the indoor and outdoor units Electrical noise 8 E may affect the operation 2 Grounding line S Power supply uu Single phase 220 240VAC 50Hz 5 3 Wiring System Diagram 220VAC 60Hz Grounding line Fig 25a A 3 indoor units with SAP CMRV1934 4 indoor units with SAP CMRV
110. s found in the single room operation col umn of Table 1 Be sure to operate the air conditioning system only when 2 or more indoor units have been installed If operated with only a single unit installed the returning fluid to the compressor may cause malfunction SANYO Electric Co Ltd Pub 01 85264180810000 SANYO 2006 Osaka Japan lt Combinations of operatable indoor units gt SAP CMRV1424EH Rated cooling capacity 4 0 kW 3c ee GAEL 2 65 SAP KMRV94EH 3 5 SAP KMRV124EH Table 1 Indoor Unit Capacity kW COOLING HEATING Indoor Unit Combination Total Performance iru Total Performance d Capacity Min 2 2 2 2 1 2 2 6 25 1 4 3 5 2 3 5 1 3 3 6 4 2 1 5 4 2 1 8 3 6 4 5 4 2 5 0 3 7 48 4 2 50 2 Operation H H 11 he table lists the wall mounted type of indoor units as representative models For details on the connection of indoor units other than the wall mounted type refer to the catalog Save this Combination Table Please be sure to hand over this sheet to the user NYO 2 Room Outdoor Unit Combination Table SAP CMRV1924EH lt Combinations of Connectable Indoor Units gt The combinations of the indoor units listed in Table 1 on the next page are combinations solely of those units which can be operated concurrently In addition to the combinations
111. s or limitations Table 2 Narrow Tube Wide Tube Model Outer Dia Thickness Outer Dia Thickness KMRV74 6 35 mm 0 8 mm 9 52 mm 0 8 mm KMRV94 6 35 mm 0 8 9 52 0 8 KMRV124 6 35 mm 0 8 mm 9 52 mm 0 8 mm KRV184 6 35 mm 0 8 mm 12 70 mm 0 8 mm 1 5 Additional Materials Required for Installation 1 Refrigeration armored tape 2 Insulated staples or clamps for connecting wire See local codes 3 Putty 4 Refrigeration lubricant 5 Clamps or saddles to secure refrigerant tubing Ind it 2 Installation Site Selection 2 1 Indoor Unit WARNING To prevent abnormal heat generation N and the possibility of fire do not place obstacles enclosures and grilles in front of or surrounding the air conditioner in a way that may p ae Dos j rain hose block air flow ery AVOID Outside drainage direct sunlight Fig 1 nearby heat sources that may affect performance of the unit 7 e areas where leakage of flammable gas may be expected Ye P em 15 cm min BE placing or allowing any obstructions near the A C inlet or min min a outlet installing in rooms that contain instant on rapid start fluorescent lamps These may prevent the A C from Front View receiving signals Fig 2 e places where large amounts of oil mist exist e installing in locations where there are devices that Tubing length L1 generate high frequency emissions UNIT 2
112. se it can cause the tube to break or crack Wide tube 24 Outdoor Unit SAP CMRV1934EH BW x O D 9 52mm X AW 2 O D 9 52mm XX 2 Indoor unit Outdoor unit x Sub Main 5 x I on accumulator accumulator wide tube Wide tube ja cw E O D 9 52mm x 5 x valve ji x x 1 x Defrost valve IMG c x for hot gas bypass 5 4 i Electric expansion x x Service valve on valve x narrow tube 0 Narrow tube CN O D 6 35mm ps UDP x s BN E p HEDD lt O D 6 35mm Cooling cycle ky sk x imc O D 6 35mm Strainer Heating cycle T Defrosting cycle Insulation of Refrigerant Tubing IMPORTANT Because capillary tubing is used in the outdoor unit both the wide and narrow tubes of this air conditioner become cold To T Insulation prevent heat loss and wet floors due to dripping of condensation both tubes must be well insulated with Thickness Thickness proper insulation material The thickness of the insulation Min 8 mm Min 8 mm should be a min 8 mm After a tube has been insulated Narrow tube never try to bend it into a narrow CAUTION curve because it can cause the tube to break or crack Wide tube 25 Outdoor Unit SAP CMRV244
113. sed 11 Stopper Cap tightening torque 20 25 200 250 kgf cm Tighten by hand then use a wrench to turn Spindle Screw diameter 1 2 UNF 20 threads II Valve cor Yi xV Cap nut tightening torque 11N m 70 110 kgf cm Tighten by hand then use a wrench to turn approximately 307 Structure of service valve on wide tube side Fig 21 e When using a hex wrench to open the spindle an extremely small amount of refrigerant may leak This does not indicate a problem e Use a hex wrench of a type to which force can be easily applied 4 With the Lo knob of the manifold valve open and high pressure valve Hi closed completely run the vacuum pump Run the pump until the pres sure is 101 kPa 76 cmHg The operation time for the vacuum pump varies with tubing length and the capacity of the pump The following table shows the amount of time required for evacuation Table 5 Required time for evacuation when capacity of 100 vacuum pump is used 20 min or more The required time in the above table is calculated based on the assumption that the ideal or target vac uum condition is around 10 mmHg abs 5 With the vacuum pump still running close the Lo knob of the manifold valve Then stop the vacuum pump Fully close the low pressure valve and stop the vacuum pump Wait 1 2 minutes and check that the
114. ssively reducing the indoor This is 1 f fluctuation fan operation temperature Refer to Fig 2 The indoor unit operates at 1 f fluctuation fan operation at a fan speed that does not cause a chilly feeling The room temperature is DRY B operation 15 C or higher and is slightly too cold 1 The indoor fan changes between Low The compressor operates on a 3 minutes ON and LL very low over a 6 minute cycle 6 minutes OFF cycle to prevent the room This is 1 f fluctuation fan operation temperature from dropping too much 2 After appoximately 3 minutes the compressor turns OFF the outdoor fan turns OFF and the indoor fan turns OFF U 3 After approximately 6 minutes the conditions return to 1 The room temperature is Monitoring operation begins When monitoring operation begins the below 15 C compressor stops and the indoor fan operates at LL very low speed 1 f fluctuation fan 250 200 150 Step 100 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 mca Le yd ee Se ane L m a Seite eye eye eee ei oe eee ees Sa a Si arm i Sa a a a ht il ee ee I lt 1 2 1
115. t 7 2 4 Compressor Temperature Control To protect the compressor coil from overheating the operating frequency is controlled based on the compressor discharge temperature C Trip 110 5Hz every 30 sec reduction 106 2Hz every 30 sec reduction 100 Increase rohibit range No control 9 Hz reduction Compressor discharge temperature 90 Within the increase prohibit range the range changes to the Hz reduction range 2 Hz every 30 seconds if the compressor temperature rises by 2 C 7 2 5 Control at HEAT Start up If HEAT operation is started when the outdoor air temperature is 15 or below the unit operates at the HEAT start up frequency 70 Hz or above Reset conditions 1 The compressor frequency exceeds the start up frequency of 70 Hz 2 The compressor thermostat is OFF 1 2 3 Frequency reduction for indoor high load control has occurred 4 The outdoor air temperature is above 15 C S 5 The main unit switch on one or more indoor units is set to TEST run 40 8 TROUBLESHOOTING 8 1 Precautions before Performing Inspection or Repair B Both the indoor unit and outdoor unit include electronic control circuits Be sure to pay attention to the following before inspecting or repairing the outdoor side electronic circuits e High capacity electrolytic capacitors are used inside the outdoor unit controller inverter They retain an electrical charge charg
116. t SAP CMRV 1924EH 2 Rating conditions are Cooling Indoor air temp 27 19 W B Heating Indoor air temp 20 Outdoor air temp 35 D B 24 W B Outdoor air temp 7 C 6 C W B 3 1 This data will be available in next issue of the Technical amp Service Manual Outdoor Unit SAP CMRV1934EH Voltage Rating 230V Capacity 2 9 to 6 8 73 8 4t08 4 sre 9 900 to 23 200 24 900 11 600 to 28 700 Air Circulation High m h GENE MAN Fiir y Fan Speeds Auto Hi Me Lo OpertionSoud 80 5 28 Refrigerant Narrow tube mm in 6 35 1 4 x Tube Diameter Wide tube mm in 9 52 3 8 x 5 Dimensions amp Weight Unit Dimensions Package Dimensions Weight Net kg Shipping 690 Shipping Volume m DATA SUBJECT TO CHANGE WITHOUT NOTICE Remarks 1 The Values shown in perfromance section and electrical rating section above are based on the following unit combination For other combination unit please refer to the Unit Combination Table in this manual Indoor Unit SAP KMRV94EH 3units Outdoor Unit SAP CMRV1934EH 1unit 2 Rating conditions are Cooling Indoor air temp 27 19 W B Heating Indoor air temp 20 Outdoor air temp 35 D B 24 W B Outdoor air temp 7 C
117. t cables to prevent mis wiring The units will not function if the wiring connections are incorrect Fig 31 e Use a dedicated A C circuit for power e make connections to the outdoor unit remove the inspection panel and tubing panel e Do not bring the inter unit cables or power cable into contact with tubing or service valves e Use outdoor unit cable fasteners and fasten the inter unit cables at the location where the cables are double sheathed e Arrange the wiring so that the inter unit cables are contained in the inspection panel and tubing panel as shown in Fig 31 17 Regulations on wire size differ from locality to locality For field wiring requirements please refer to your local electrical codes Make sure that the installation fully complies with all local and national regulations 1 Remove access panel Fig 32 2 Connect the inter unit wiring and power line according to the drawing on the panel side Access panel 227 3 Be sure to size each wire allowing approx 10 longer than the required length for wiring Store excess wiring inside the cabinet 4 When connections are completed check that all connections are correct as shown in the wiring system diagram on panel side 5 Be sure to ground the unit according to your local codes 6 Test Run Fig 32 Performing a test run e Refer to the test run procedures the indoor un
118. t operation time Less than 2 minutes Outdoor air temperature eo temperature TOF No releasing 14 C or higher releasing defrosting 1 The temperature for releasing of defrosting is 20 C or higher when the outdoor air temperature is less than 0 C Fig 1 Table 1 35 Control conditions Unit operation Explanation COOL The ON OFF operation button on the remote controller is pressed The room temperature has reached the desired temperature The thermostat turns OFF The thermostat turns ON again Freeze prevention The operation lamp illuminates The indoor fan operates at the set fan speed The outdoor unit stops The outdoor unit starts Compressor and the outdoor fan start When the frequency reaches Hz frequency increases are stopped for a period of B seconds Refer to Table 2 The frequency then increases The indoor temperature and the desired temperature are approximately equal After the thermostat turns ON again the outdoor unit will not operate for 3 minutes even if the room temperature increases above the desired temperature When the temperature of the indoor heat exchanger drops to approximately 2 C or below the compressor turns OFF the outdoor fan turns OFF and the indoor fan continues operating with no changes U Approximately 3 minutes later if the temperature of the indoor heat exchanger is adove 8 C the system returns to its origina
119. tandard screwdriver 2 Phillips head screwdriver 3 Knife or wire stripper 4 Tape measure 1 2 Accessories Supplied with Unit 1 unt IBID 5 Carpenters level 6 Sabre saw or key hole saw 7 Hacksaw 8 Core bits 9 Hammer 10 Drill 11 Tube cutter 12 Tube flaring tool 13 Torque wrench 14 Adjustable wrench 15 Reamer for deburring 16 Vacuum pump For R410A 17 Manifold valve paq 1 3 Optional Copper Tubing Kit Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the narrow and wide tubing fittings and insulation Consult your nearest sales outlet or A C workshop 1 4 Type of Copper Tube and Insulation Material If you wish to purchase these materials separately from a local source you will need 1 Deoxidized annealed copper tube for refrigerant tubing as detailed in Table 2 Cut each tube to the appropriate lengths 30 cm to 40 cm to dampen vibration between units EE in the outdoor unit 2 Foamed polyethylene insulation for the specified copper tubes as required to precise length of tub ing Wall thickness of the insulation should be not less than 8 mm Use insulated copper wire for field wiring Wire size varies with the total length of wiring Refer to 5 Wiring Instructions for details Check electrical codes and regulations before obtaining wire Also check any specified instruction
120. terminal follow the instructions How to connect wiring to the terminal and fasten the wire securely tight with the fixing screw of the terminal plate How to connect wiring to the terminal a For Indoor Unit 1 Cut the wire end with a cutting pliers then strip the insulation to expose the wire about 7 mm See the label Fig 26 near the terminal plate 2 Using a screwdriver loosen the terminal screw on the terminal plate 3 Insert the wire and tighten the terminal screw com pletely using a screwdriver b For Outdoor Unit For solid core wiring or F cable 1 Cut the wire end with a cutting pliers then strip the insulation to expose the solid wire about 25 mm Fig 27 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using the pliers bend the solid wire to form a loop Suitable for the terminal screw 4 Shape the loop wire properly place it on the termi nal plate and fix it securely with the removed termi nal screw using a screwdriver For stranded wiring 1 Cut the wire end with a cutting pliers then strip the insulation to expose the stranded wiring about 10 mm and tightly twist the wire ends Figs 28 and 29 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring connector Fig 28 4 Place the ring connector wire and replace a
121. tional per unit at shipment L1 L2 or L1 L2 L3 H1 H2 H3 H4 Refrigerant m L1 L2 or L1 L2 L3 or L1 L2 L3 L4 m g m or L1 L2 L3 L4 m m CMRV1924 45 L1 L2 45 L1 L2 15 CMRV 1934 25 45 L1 L2 L3 45 L1 L2 L3 15 CMRV2444 25 45 L1 L2 L3 L4 60 L1 L2 L3 L4 15 20 CMRV3144 30 45 L1 L2 L3 L4 70 L1 L2 L3 L4 15 20 If total tubing length becomes 45 to 60 m max or 45 to 70 m max charge additional refrigerant R410A by 20 g m No additional charge of compressor oil is necessary 2 2 Connecting Indoor Units 1 Connecting indoor unit for SAP CMRV 1 924 A Indoor unit Outdoor unit SAP KMRV74EH KMRV94EH KMRV 124EH SAP KMRV74EH KMRV94EH KMRV 124EH Fig 4 B Outdoor unit Indoor unit 99 52 s 3 SAP KMRV74EH KMRV94EH KMRV 124EH 99 52 geo 912 70 DA ALO SAP KRV184EH 09 52 06 35 Flare 09 52 Union 012 70 L A joint for connecting tubes of different sizes 09 52 912 70 Supplied Reducer Fig 4a unit mm 2 Connecting indoor unit for SAP CMRV 1934 A Outdoor unit Fig 4b B Outdoor unit 09 52 F 09 52 09 52 B 09 52 012 70 5 H EH 09 x 0 i 96 35 Flare 99 52 Union 012 70 L A joint for connecting tubes of different sizes 09 52 012 70 Supplied Reducer Fig 4c 3 Connecting indoor unit for SAP CMRV2444 A Outdoor unit 09 52 09 52 06 35 09 52 E 09 52
122. to Connect Wiring to the Terminal amp 5 5 Wiring Instructions for the Outdoor Unit Outdoor unit c Indoor unit D D gt 6 TEST RUN 23 7 CONNECTING HOME AUTOMATION M 24 8 INSTALLATION CHECK SHEET 24 The illustrations are based on the typical appearance of a standard model Consequently the shape may differ 9 ELECTRIC WIRING DIAGRAM 25 from that of the air conditioner that you are installing 85264189992002 SANYO 2006 SANYO Electric Co Ltd Osaka Japan w IMPORTANT Please Read Before Starting This air conditioning system meets strict safety and operat ing standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual This symbol refers to a haz ard or unsafe practice which WARNING can result severe personal injury or death This symbol refers to a haz ard or unsafe practice which can result in personal injury or product or property dam age If Necessary Get Help These instructions are all you n
123. uble free operation you must e Carefully read this instruction booklet before beginning e Follow each installation or repair step exactly as shown Observe all local state and national electrical codes e Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard WARNING or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard CAUTION risate practice wien can result in personal injury or product or property damage If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS WARNING When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can ca
124. uickly as possible e Use only the tools indicated exclusively for R410A See 12 3 Tools Specifically for R410A 9 5 1 Procedure for Replacing Compressor 1 Recovering refrigerant e Anyremaining refrigerant inside the unit should not be released to the atmosphere but recovered using the refrigerant recovery unit for e Do not reuse the recovered refrigerant since it will contain impurities 2 Replacing Compressor e Soon after removing seals of both discharge and suction tubes of the new compressor replace it quickly 3 Checking for sealing e Use nitrogen gas for the pressurized gas and never use refrigerant other than R410A Also do not use oxygen or any flammable gas 4 Evacuation e Use a solenoid valve installed vacuum pump so that even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back e The equipment may be damaged if moisture remains the tubing thus carry out the evacuation thoroughly e When using a vacuum pump with exhaust air volume more than 25L min and ultimate vacuum pressure rate of 0 05Torr Standard time for evacuation 1 Recover refrigerant OK 2 Replace compressor OK 3 Check for sealing OK 4 Evacuation OK 5 Recharge Length of tubing Less than 10 meters More than 10 meters More than 10 minutes More than 15 minutes 51 b Recharging
125. uid to the compressor may cause a malfunction SANYO Electric Co Ltd Pub 1 85264180865000 SANYO 2006 Osaka Japan Combinations of operatable indoor units gt SAP CMRV1924EH Rated cooling capacity 5 6 kW S 5 15 SAP KRV184EH Table 1 Indoor Unit Capacity kW COOLING HEATING Room A B A B 2 5 3 6 Capacity Min Max Capacity Min Max 2 1 4 Single room Operation 2 room Operation The table lists the wall mounted type of indoor units as representative models For details the connection of indoor units other than the wall mounted type refer to the catalog Save this Combination Table Please be sure to hand over this sheet to the user SANYO 3 Room Outdoor Unit Combination Table SAP CMRV1934EH lt Combinations of Connectable Indoor Units The combinations of the indoor units listed in Table 1 on the next page are combinations solely of those units which can be operated concurrently In addition to the combinations listed in the table other combinations of indoor units are possible provided that the following conditions are satisfied Conditions 1 Atleast two or more indoor units must be connected to the multi outdoor unit It is not acceptable for only one indoor unit to be connected 2 The total rated cooling capacity of the indoor units to be connected must be n
126. ur knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fin gers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This pre vents water damage and abnormal vibration In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle a Snowy Area for Heat Pump type Systems Position the outdoor unit in a protected location where snow will not blow into it Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing 990009009090900009990090099990009909990090099900099990009999090900999090009909900099090990909009290000990990009099009090990009099990900999990990999 Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free
127. use accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheating at connection points and a possible fire hazard When Transporting 66900000900000000000909000000000090000090000009000009000000000000900000900000090000090000000000090000900000000000000000000009 Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing Use the flare method for connecting tubi
128. utdoor fan stops and the solenoid valve turns ON allowing the refrigerant to bypass the indoor unit The operating frequency during defrost is 80 Hz Frequency is lowered if the current peak cut off function is activated The maximum length of a single defrost operation is 12 minutes For the outdoor heat exchanger temperature conditions for ending defrost refer to Table 1 Defrost release Indoor fan turns ON After 10 seconds the solenoid valve for hot gas bypass turns OFF When the cold air feel has disappeared the indoor fan starts and gradually increases speed until it reaches the set speed STOP All indicator lamps turn OFF The indoor and Defrost is performed when the outdoor unit is stopped and the temperature of the outdoor unit coil is at or below the L1 line Refer to Fig 1 Operation is restarted Starts operating in the same operating mode Within 4 hours after operation was stopped it is within 4 hours only when HEAT and with the same temperature assumed that there has been no significant AUTO mode is selected settings as before operation was stopped change in the indoor and outdoor temperatures with the remote and the previous conditions HEAT are stored controller Operation starts after 4 New operation begins based on the hours or more have temperature conditions at the time the passed ON OFF button is pressed Outdoor heat Temperature of releasing exchanger temperature Defros
129. valve stem on the nar row tube service valve counter clockwise by 90 degrees 1 4 turn for 10 seconds and then turn the stem clockwise to close it again CAUTION Be sure to completely insert the hex wrench before attempting to turn the valve 7 With a standard screwdriver turn the wide tube service valve stem counterclockwise to fully open the valve 8 Turn the narrow tube service valve stem counter clockwise to fully open the valve 9 Loosen the vacuum hose connected to the wide tube service port slightly to release the pressure Then remove the hose 10 Leak test all joints at the tubing both indoor and outdoors with liquid soap Bubbles indicate a leak Be sure to wipe off the soap with a clean cloth If a CFC gas detector is used use a special detector for HFC refrigerant such as R410A and R134a 17 11 Replace the nut the wide tube service port and fasten the nut securely with an adjustable wrench box wrench Next mount the valve cap and tighten it with a torque wrench the cap needs to be tightened with the torque of 20 N m 200 kgf This process is very important to prevent gas from leaking from the system 12 Test run the air conditioner See page 23 13 While the air conditioner is running apply liquid soap to check for any gas leaks around the service valves or caps 4 14 If there is no leakage stop the air conditioner 15 Wipe off
130. ve check items are okay but the outdoor unit does not operate there may be a faulty connection between the indoor unit and the outdoor unit 8 3 2 Checking the defrost operation e Using forced defrost operation to check this function Work procedure Check items unit operation Connect a dummy resistor of 39 ohm to the outdoor Non stop defrost coil temperature sensor connector 30 sec x pa Indoor fan Setting io Stop Setting 80 2 CM 1 ON Solenoid 5 sec 10 sec for hot gas bypass ____ oF Outdoor fan OFF Defrost start Release The maximum lenght of defrost operation is 12 minutes Defrost can also be released based on the below conditions for the outdoor heat exchanger sensor Less than 2 minutes Not released 2 minutes or more 14 or higher However the condition is 20 or higher when the outdoor air temperature is below 0 43 f Each Part iagnosis o 8 4 Trouble D 8 4 1 Problems of Each Part and Inspection Points e For details about the inspection points refer to the Inspection Points for Each Part Outdoor unit Indoor unit Inspection Points for tof o gt __ 3 5 8 eyenbepeui si Duneou 10 JOU seoq eyjenbepeui si
131. wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged 5 Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes 5 2 Recommended Wire Length and Diameter Regulations on wiring diameter differ from locality to locality For field wiring requirements please refer to your local elec trical codes Carefully observe these regulations when car rying out the installation Table 6 shows maximum wire lengths for control line and power line and fuse or circuit capacity Refer to the wiring system diagram Fig 25 for the meaning of A B and C in Table 6 Table 6 Cross Sectional Max Power Line Length m Max Control Line Length m Fuse Area mm A B C or 3 5 1 0 Circuit Capacity SAP CMRV1424 14 NEZ e Be sure to comply with local codes on running the wire from the indoor unit to the outdoor unit size of wire and wiring method etc e Each wire must be firmly connected e No wire should be allowed to touch refrigerant tubing the compressor or any moving part e Be sure to connect power wires correctly matching up numbers on terminals of the outdoor unit and respective indoor units A B e Be sure to connect
132. z 8 8 Z a 1919 SJS lt ele HOLO3NNOO 8FA 2 5257 68200 0 Fig 33b LINN HOOQNI OL LINN TERMINAL PLATE HOOQNI V HOOQNI 8 11 AlddNS H3MOd 11 u es T LL BLK BLK REACTANCE 1HM 1 LHM Le REACTANCE LHM THM HOLO3NNOO d2 RV COIL tdoor unit CMRV1924EH I ou ms HOLO3NNOO de COIL SAP KMRV74 94 124EH 9 Electric Wiring Diagram Indoor uni E 5 2 A KG 2 9 ui g TVNIWH3 L gi VNINH3L NOI Bako LHM dv na HOLSIINH3HL 7109 inm amp N9 18 8 amp v9 HOLSIIWNH3H L INOOH gt 9 lt T3A 2 LHM dOL NHg ma 2 HOLO3NNOO E 5 EN T 9 i 3sva TWNINYAL 5257 72600 DEFROST VALVE 4WAY VALVE room mult 2 8FA for 2 iagram d Fig 33a ic wiring Electr TT YO 1HM 1HM 9 9

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