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SERVICE MANUAL

1. Note Before maintenance comfirm that the power is blackouts more than 10 minutes and C2 and C3 have discharge over XT1 DZ1 PTC PTC Cl RD RD RD E BR NV 7 Connect to the BD i a RD S A ZA l Rp 2 ODU PC board CN41 17 OR OR RD BD A m Rb BL BL ze A dee Eo A A L3
2. Line go through on the right ECH 2 eg 1 0mm RD AC ta KM3 Ww 1 2 3 na ATLL T y T el j L HH ut vu TAN TEM dcm Pa N TT BER 4 PTC a PTC A a DAN pec Quem P s 1 Omm RD ms WA Be gt z i amp c Ww m CM iV D S AN MODEL CN12 1 1 Omm BR S D ert Pr 2 Smm Rd XT4 1 La aS ala B 6 Omni BR a Ke 2 gt S6 COMP INV 2 5mm RD E P n
3. RD BR NV C9 Connect to the m RD ww RD RD RI ODU PC board CN41 L2 OR ty OR RD RD RD TG 1 BL E BL E C3 EE SE y BK KM3 LIT Re aa l RD Op BL RD OR BL OR GN DZ2 A E N BK RD OR BLRDIBK c j OR GN BR BL r i HT325 e j D B TAN i BH a s c Fan variable Lightning board N BK N CN3 frequency board PROTEC C P EMEN I FAN INV 1 RD x pen gt be A i XE COMM U
4. Line go through on the right Em 2 En 1 0mm RD AC LD KM3 bu 1 2 3 MBAM AS ER EH IIl TL I 1 l oy A m TS R G bx A KR e AC H acm lero PTC A XN Dj WENG er ESL es mer 1 Omm RD a CO Se Pl ee lt t i CH C2 1 Omm RD N JAN MODEL CN12 1 1 Omm BR 4 S ZS sAd IS 2 5mm Rd XT4 1 La SE EE E 6 ad BR ai O 2 o5 COMP INV 2 5mm RD Z 8 n TI M Q Omm RD 28 a 1 Omm BK XTLN Zz d PESE d CS o N 2 d l E 1 Onm2ap pz 1 lt RES B Fa 2 Smm BR N E ES ME ie m S ATN 1 Omm2BL DZ1 3 77 2S Ju H X e
5. l Frequency m D71 Mo High pressure switch sensor jii zn AEN DA G Name Set TM remarks IM EMS Pil A PTC PTC eeh eE Set OFF 0 pul E D 2r ae Ee e 0 1 2 3 4 Manufactured outside the MP 1 2 GE PL High pressure switch sensor EUN SWI Dower choice ddiscy WEE respectively scope of the actual power COM ESS OF A m JE 8 10 12 14 16HP setting module reported fault Frequency conversion compressor Un JE Ss 00 Host Factory default 00 11 as invalid FAN E Condensing fan IN current transformer m Module address Module alarm Si E 01 1 Slave AC Fixed frequency compressor SW2 selection 10 S Sl
6. Line go through on the right Se Gi 1 0mm RD AC r KMS a LV 3 NA A r KM3 AL T v m d LI 4 Li H Et FN E E KE acm PTC ang PTC P PA LG Us D wi 1 Omm RD z A D x r rT X e a MX s 7 NA p LO RD MODEL CN12 1 1 Omm BR 4 5 Omm AA IU 2 E EI E 2 5mm Rd XT4 1fLa n 2 5mm RD 2 ES Sn 2 6 Omm BR o5 COMP INV 5mm e EE elol py CM 1 Omm RD 2 Ek Sec 5 1 Omm BK XT N g 4 E IN 3 1 enn pz 1 S 3G B 2 5mm BR tH a za AN 2 lt ed 1 Omm BL DZ1 3 ep D RUP S MODEL B A KN ZEN CN12 2 1 Omar WE 1 Omm20R DZ1 2 cos AN pzi 5 2 5 BL Compressor frequency ea E 2 IN m conversion module 2 5mm BR MODEL CN12 3 1 Omm 3 1 0mm BL um
7. gt Line go through on the right 8 2 d 1 0mm RD l l l AC LN M3 R KM3 A C DERI aca Ni PTC PTC D DAL LG ac Di P KM37 M 1 0mm RD NIE WE 4 he ea E 1 Omm RD N JAN MODEL CN12 1 1 Omm BR 7 5 zs a ilb 2 5mm Rd XT4 1 La za LR E 6 Omm BR S5 COMP INV 2 Smm RD d n En CN4 1 Omm RD zm 1 Onm BK XTI N o tme ius d 1 Omm2RD DZL 1 E x S nnn KS l 0mm BL DZ1 3 77 gt eT MODEL za N A A lt E 2 1 Omm20R DZ1 2 oet IN 2 Compressor frequency CN12 2 1 Omm WH ITE 3 Ee _DZ1 5 2 5mm BL conversion module 2 Smm BR A MODEL CN12 3 1 Omm BL COMP INV XT4 2 La Xv ume d 6 Omm BL go through K 5 MODEL Transformer WG 3 2 5mm RD OR BL DAL 1 2 3 1 j EEN P N Module driven board MODEL Ou EES d d
8. SCH DZ1 Unit ON 1 Frequency High pressure switch sensor duel eR AS DA i Name Set range non remarks IM Compressor Q pt era Te Ai EB c Set OFF 0 Fixed frequenc EU IB ub I Manufactured outside the COMP SET PL K High pressure switch sensor SW1 Power choice disc E VR ed rm Frequency conversion compressor dg E A i 00 Host Factory default 00 11 as invalid FANI n l Condens ing fan IN curteni transformer n Module address Module alarm Fined frequency compressor SW2 selection e Ge etting the scene according WAY Four way valve JEN FIB current Ve ee to the actual Uh Only host E iu VI wa DI Three phase bridge rectifiers SW3 Module quantity lor Host and 1 slave actual int t alarm i sol ection 10 Host and 2 slaves P m m md IT Terminal DT Single phase Bridge Rectifier Defrost 00 A 5 B 40 T3 lt K T4 A K as the coefficients eITOSt parameter E A for the difference COTDT 65501 2d s
9. e e gatup ra GF H tnprtiearlpesuegs Filter Filter Filter Hduengaducardpesuelgid 7 Fa Pd f S Ps bp E Ca E K Ba BORREN Filter LV LU Bie X N N Js NA fn La z ges cu o imer fan DE db rot operate DEE FF anti cold air a lt 4 hich pr nsor Otdxr high itch animet SINI N V TAR filter AA fi 1 Y ilter Wa N lt A yc k Le A MA tih n 9 9 dia mar ged lighpesurebil valve ligid is sedaj IN d n anima filter tope el Na lon p switch Omba filter pres NJ AN EE Filter Y gt Arbda etdl vave d ow press N torage Es Oasen Function 76 3 2 Defrosting Operation In order to apply in various of frosting environment the CMV V DC inverter module multi unit has beet set the function of automatic defrosting system may operating parameters according to the environment get into defrosting condition to adjust the operating states to achieve timely defrosting When defrosting each functional component control of system is as follows Compressor full open Outdoor fan stop running Outdoor electronic expansion
10. Line go through on the right zd 1 0mm RD AC De D WX dp E 3 wa CH A E EE 9 o oo c L L N L N i6 AIT I L l 4 l Est I L 3 ps eel Beal esc F Cl X ye CMC 2 PTC PTC r Ge DZl e ac D A KM37 1 Omm RD NTE E EE 1 TT l L ES ER 1 Omm RD MODEL CN12 1 1 Omm BR 4 Omm 1d 2 M ZS ae 2 5mm Rd XT4 1 La 2 5mm RD S E j 6 Omm BR Ss 5 COMP INV 2 5mm RD 7 2 oo 2 CNA 1 Omm RD Z 3 7 en Lu T 1 Omm BK XT1 N YQ f X IN E 3 ke Ets e 1 Omm2RD DZ1 1 3 G S fo 2 5mm BR D N aa LO E al x IN C1 I 1 Omm2BL DZ1 3 77 o Sq K wer X C3 v ui MODEL EEN Pa v E M L A o 5 S N SS SC CN12 2 1 Omm WH 1 Omm20R DZ1 2 ee wer PAS Se AN Dzi 5 2 5 In Compressor frequency SE ING S NN Jmm Nac conversion module n 2 5mm BR S N MODEL CN12 3 1 Omm BL COMP INV XT4 2 La 2 ro ro mie A 6 0mm BL go through Lac 3 2 Smm RD OR BL DZ1 1 2 3 MODEL Transformer IN V G5 2 5mm s x EEE ET Module driven board S L MODEL CN11 ketes d d d vn CPU S T d H L1 L2 L3 S A Gad e 3 2 5mm BL OR RD XT4 Cable walking alone C NA G
11. Cooling ON Cooling ON Power off state High temp amp pressure gas Filter Filter Filter High temp amp pressure liquid Electronic expansion Electronic S Electronic low temp amp pressure l valve KS f expansion valve I expansion valve P di SU 480P pud P d 480P Pug a 480P N Filter N wi Filter k Sd KA Filter K Inner fan N Mp a x REN P Inner fan b a Ee BN NN Wi Inner fan Ki NC E Normal operation normal operation Do not operate mg _ Zi B B a High pressure sensor Outdoor environment pope High pressure temperature sensor switeh 8 S ES d Ki H Inverter N j compressor MESS SATE TL AN V To E D d 4 3 d 1 ec ZS il gas 3 Hi 5 Outdoor condenser N e T on T igh pressure ressure n N Filter separator A N LA ball valve e temperature sensor N Frequend Low pressure ank Frequency 4 N compressor switch Outdoor Filter NS Lu condenser Four way NZ Iow pressure valve l E sensor lt low pressure Eat Filter ball valve SE ee N d y low pressure SE X Air balance valve it ank Oil balance stop valve Refrigerant circuit 48 Cooling
12. gt Line go through on the right i ec 1 0mm RD AC KM3 WX 1 3 mA AQ er SCH H A S LT T I l i CZ CH x ii e SH NIE s F Tr T 5 DZL GC H 6MC 22 i Si ANM ee Mar PTC omt RD PTC y SUE SP Ed TF ad TT l k D sE 1 Omm RD N JAN MODEL CN12 1 1 Omm BR 4 gt E eed P 2 5mm Rd XT4 1 La eT oum 8 6 ad BR Ss S85 COMP INV 2 3mm RD S e Tm dba CN4 1 Omm RD 5 1 Omm BK XTI N sy g or ORS Wel e 3 3 2 A ES 1 Omn2RD DZ1 S 3 d i 7 2 5mm BR N Lm xe c Bea 1 Omm2BL DZ1 3 77 gt EU G MODEL a S 2 1 Omm2OR DZ1 2 5 E 2 Compressor frequency CN12 2 1 Omm WE p B 2 PN NE E Sel conversion module 2 Smm BR XT4 2 La MODEL CN12 3 1 0mm BL COMP INV sas E Omm BL go through pe j MODEL Transformer 3 2 5mm RD OR BL DZ1 1 2 3 P N Module driven board MODEL CN11 Gee d d U Se p oMa n I PN HRS kad K 3 2 Smf BL OR RD XT4 Cable walking alone 4 EX ST 1 Smm RD HT325 P N pane 19 Wm e LINE ee Sch Sed an variable en eX Eich 4 I OR GN CN3 NE frequency board PARTH ni ane NEUTRAL CONTORL CN13 ZEE FAN INV 1 Smm BK HT325 W L11213 E PN E MODENA 8 zd a e 2 JS
13. Filter Filter Electronic p di Electronic P Electronic A C expansion valve expansion valve_ expansion valve M 480P Pi Pi 480P Z 480P Se y LU oe Filter Filter 9 Filter Innder fan Inner Inner fan OFF anti cold air OFF anti cold air Do not operate L ml N Gan Gan High pressure sensor High pressure switch g E Inverter e com pres j at Zo ee Filter ee Filter j e 28 wei lt Dx Oil gas i ressure Pp d ste a igh Outdoor condenset Filter separator Frequency ball valve SI ressure tem perature sensor ae compressor 1 Low pressure sensor ank e me REESE Outdoor TN condenser Filter Four way low pressure sensor valve j Low pressure ball valve mm WM Filter Se High Nn pressure tank Air balance ball valve Oil balance stop valve Refrigerant circuit 52 2 Electric control principle 2 1 Electric control parts layout schematic Three phase converter Single phase EEN ee Ac contactor RS l Compres l l sor Lightning driven plate Filter up module AC capacitor Driven plate The fan driver and down Transformer Electric control board Invar
14. B LAKES DC INVERTER VRF SYSTEM SERVICE MANUAL 2011 Table of Contents R 410A Heat Pump Te MOLEN om II UN ba ANG AA de E ad 2 2 0 2 REPERI UT kaa aa VII Part 1 General Information eese rennen 1 1 Model Names of Indoor Outdoor Units 2 2 External Appearance ase ee e 3 See INGOOE MIS TT 3 2 2 Outdoor sakanan gana gagang aa aan aaa sanan ede gag aaa 3 3 Model Selection eee B Part ae E e 0 eene H 1 Specifications asa eee 10 1 1 Outdoor BCEE 10 12e 9 0 6 5 EE 24 Part 3 Refrigerant Circuit 40 he uie ere CIR 41 1 1 System principle diagram seus 41 1 2 Functional components layout 45 1 3 Refrigerant flow chart of operation mode 48 2 sie dade quic OMODE BAKEN 53 2 1 Electric control parts layout schematic 93 2 2 Electric appliances diagram 55 2 3 The control board interface diagram 65 ranta PUNCHON oneness eenen 67 h paralon MOOC EEN 68 ng ng s ije ETH 69 2 1 eg EI Ee E 69 2 2 Compressor Control sese eee eaaa eaaa aana naen anae 70 2 3 Electronic Expansion Valve Control 73 2 4 Cooling Operation Fan Control 74 HDD TIE aar Haa di RE EPUM s 74 Table of Contents I 3 1 Oil Return Operation 74 3 2 Defrosting O
15. E pus Ho UE cd S e C ge 3 3 3 3 2 3 3 3 3 3 3 3 n e E S P D D pp S P S D Pap r D Z WH Be TRANS_IN SV1 sv2 SV3 SV4 SV5 4 WAY HEATER1 HEATER2 HEATER3 COMP1 COMP2 AC RELAY S e el cna CN32 CN23 CN31 CN27 CN26 CN25 CN5 CN37 CN40 CN3 CN34 CN33 Trans out S gt gt gt A gt CN13 o p 1 2 4 5 7 8 9 q 0 gt mers kl D gt j S j E Q RD BK RD BK RD BK q L l 2 NN 1 D b f ae SN P b 9 Q lt N C d N CB 1 E G v E 4 v Y KM1 KM2 KM3 SV6 SV1 1 SV2 Et sva 28 sys a 6 n Nx oy a 7 N f k 8 ENER Es E T j G e E Connect to the d eld 5 ODU PC board CN8 e Si e amp E e 1 us 1 DN H 55 Refrigerant circuit Electrical components arrangement Code description
16. High pressure ball valve low pressure Filter outdoor temp sensor outdoor condenser temp sensor S ball valve Air balance Filter valve Inverter compressor temperature sensor SK Inverter Gas oil Separator UG Ww Filter compressor NZ Freguency compressor 1 E NS o temperature penser Frequency 4 IN compressor AUN 4 Frequency compr s SOT N 2 temp sensor bs p inverter compressor oil balance stop valve 44 CUI Refrigerant c 1 2 Functional Components layout 8HP 10HP system Front view outdoor electronic High pressure sensor expansion High pressure switch Return oil capillary Oil gas separator Invariable frequency compressor Inverter compressor Oil balancing stop Modular solenoid valves valve Inverter compressor Liquid side solenoid unloading solenoid valves valves Return oil solenoid valves Refrigerant circuit Top view Four way va
17. MODEL za 4 NANG i 1 Omm20R DZ1 2 c mj NC Compressor frequency CN12 2 1 Omm WH E S 7 Po N Doro CUP NG conversion module 2 5mm BR SS T Du MODEL CN12 3 1 Omm BL COMP INV on 6 Omm BL go through Een Gen om ORE ee MODEL Transformer DVSY O 2 5mm OR 24 EE E N Module driven board F MODEL oi T GREEN CPU p GE i LI LI T 3 2 A bl 3 2 5mm BL OR RD XT4 Cable walking alone C NA SE Connect to XTl L1 1 5mm RD CSR Connect to KTIN 1 5mm BK ro eere NI ae U CN3 po Connect to left fan Connect to right fan SDE m NL MA iN T CONTORL CN13 SBE BE il epee e Se 4 L1 L2 L3 E MODEL CN3 GON A TRANS c TRANS E 3 2 5mm RD OR BL ONE CPU ine Gi ATI LI L2 L3 g Fan PC board af CN communication CONTORL CN41 CONTORL CN8 p FAN BOARD e S 3 nn nm S 2 S gt 4 5 3 2 O E 2 a es g 5 5 2 as S xx a pa e Ss E S E z z2 58 EN 2 e a RD a bei a CO ve s D amp I FIA I FIB ES ys er Cu mm Ra OER GO EO fj condensing temperature F2 Fl T7 TS T6 MODLE RS485 Dsp Conm Fan Comm LP Check HP Check gt Outdoor environment temperature 3 2 5mm RD OR BL XTI S LIN mum 9 n High pressure switch Sis Gib S S Dee Et 12 L3 l m XT1 L3 2 SECHS eme CPU rel Low pressure switch 4 0mm BL T mm 0R ATI L2 e e mo Vitel Omm D C Omm AN LUDUM S SEI ae Whitel W ge M DI Al Di A2 i 1 Omm BK XTI N S ud e E OOV 2 GES uu em AL LI 12
18. Sfanspeed 3 fan Stan speed Temperature Control m 16 30 16 30 16 30 Liquid Pipes p6 35 p6 35 09 52 Piping Connections wen TT sarana sarana csrsou Coor o Camel Grey Camel Grey Camel Grey Dimensions mm 650x650x30 650x650x30 950x950x50 HxWxD Packing Dimensions 750x750x95 750x750x95 1030x1030x105 HxWxD pae f ome eme p onem we pw fe ea es sex ses ses sn ves remo cemoe rosae Decoration Panels Specification 29 wm mue muss cwm ea m s EECHER Rows x Stages lt Coil Cross FPI 2x8x1 45mm 2x12x1 45mm 2x12x1 45mm Fin Coil Model YDK 55T 6 YDK 75T 6 YDK 75T 6 Tye Centrifugal rotor Centrifugal rotor Centrifugal rotor Motor Output 154x1 170x1 170x1 Fan Air Flow Rate H L ol 676 1000 1000 External Static Pressure Me De 3 fan Sfanspeed 3 fan Stan speed 3 fan Sfanspeed Temperature Control 16 30 16 30 16 30 Liquid Pipes 09 52 09 52 09 52 Piping Connections wen eran cseson cepon Gaor Camel Grey Camel Grey Camel Grey Dimensions mm 950x950x50 950x950x50 950x950x50 HxWxD Decoration Packing Panels Dimensions 1030x1030x105 1030x1030x105 1030x1030x105 HxWxD pae jae aa wr CC KANAN KANA w sms sum Guo sn reog EE Specification 30 Wm eee ome me me tue omeen lan oan Rows x Stages x Coil Cross FPI 2x12x1 45mm 2x12x1 45mm 2x12x1 45mm Fin Coil moder were vorste weier Type f Centr
19. TIMER ON in the OFF state the wire control will work and the timing on function will also be cancelled when pressing the ON OFF key 4 FAN SPEED key A The FAN SPEED key works in the modes of AUTO HEAT COOL and FAN B When some mode works pressing the FAN key of the wire controller orthe AREFLOW key of remote control once the airflow will be changed in the following order H M L AUTO Lo C Inthe FAN mode there is no automatic wind and the volume will be changed in the order H M L Lo 5 SWING key A When the system is powered on the default function SWING mode is closed B When SWING mode is closed if you press SWING key of the remote controller or that of the wire controller it will be opened up and the LCD will indicate the SWING sign C Press SWING key of the remote controller or that of the wire controller again the function of SWING will be cancelled and there is no indication of the SWING sign 6 A and wy key A In cooling mode or heating mode the temperature is adjustable B When some mode works the temperature will rise by pressing A key The temperature will no longer got increased at 31 C C When some mode works the temperature will be decreased by pressing VW key The temperature will no longer be decreased at 16C 7 System initialization A When the wire controller is powered on it will begin to be initialized All characters will be indicated
20. The three phase A C power is lack of phase or the phase sequence is wrong NO CO 24 P17 The communicating circuitry among outdoor units goes wrong O O1 C1 E06 The addresses of outdoor units clash NO O gt E07 The addresses of outdoor units are wrong NO N ND zech LI wech I Co O PS l Gl Ml CH E08 The communication among the main machine and all indoor units go wrong MO NO Troubleshooting E10 Module amount dial code goes wrong The fault for the module amount is reduced The fault for the module amount is increased The driven of module condensing fan goes wrong The compressor operating is not kept in balance Protection codes and Faults codes of Fixed frequency compressor The current input of 1 Fixed frequency compressor is so large that the compressor breaks down The exhaust temperature of 1 Fixed frequency compressor is too high The exhaust temperature sensor of 1 Fixed frequency compressor is wrong Module capacity dial code goes wrong 29 Module amount dial code goes wong 0000 The exhaust temperature of 2 Fixed frequency compressor is too high The exhaust temperature sensor of 2 Fixed frequency compressor is wrong Protection for the ambient temperature of the outdoor unit too low 37 p21 The current input of 2 Fixed frequency compressor is so large that the compressor breaks down DC Inverter Module Unit adopts intelligent con
21. connections at the soldered or crimped terminals are secure Improper installation and connections can cause excessive heat generation fire or an electrical shock If the installation platform or frame has corroded replace it Corroded installation platform or frame can cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grounded Improper grounding can cause an electrical shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 Mohm or higher Faulty insulation can cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor Table of Contents VI 1 1 4 Using Icons Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below 1 1 5 Using Icons List Icon Type of Description Information Caution N Caution N Warning Warning Reference 1 2 PREFACE A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure A warning is used when there is dang
22. Be sure to check that the refrigerating cycle section has cooled down sufficiently before conducting repair work Working on the unit when the refrigerating cycle section is hot can cause burns Use the welder in a well ventilated place Using the welder in an enclosed room can cause oxygen deficiency Table of Contents IV 1 1 2 Cautions Regarding Products after Repair AA Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipment If the installation site does not have sufficient strength and if the installation work is not conducted securely the equipment can fall and cause injury Be sure to install the product correctly by using the provided standard installation frame For integral Incorrect use of the installation frame and improper installation can cause the equipment to fall units only resulting in injury Be sure to install the product securely in the installation frame mounted on a window frame If the For integral unit is not securely mounted it can fall and cause injury Be sure to use an exclusive power circuit for the equipment and follow the techni
23. Specification 21 Model Name Combination Unit mE CMV V1235WSAM CMV V1300WSAM CMV V335WSAM CMV V4 CMV V400WSAM CMV V4 Model Name Independent Unit 50WSAM 50WSAM CMV V450WSAM CMV V450WSAM Raa ms m anen ws o ewm O Umum eman Lm I LEM DEN mM e Comp Number of Revolution of Revolution 0 788 x3 90 7838 x3 Motor p x Number 3 88 5 13 x1 3 88 4 27 4 27 x1 E 3 88 5 13 5 13 x2 3 884 5 13 5 13 x2 ESE Motor Output EM 0 400x6 0 400x6 Air Flow Rate 14000 16000x2 16000x3 ve Variable frequency drive Variable frequency drive Liquid Pipe x8 Pipe Liquid Pipe x8 p22 2 Brazing Connection p22 2 Brazing Connection Connecting E Gas Pipe 3 E p41 3 Brazing Connection p41 3 Brazing Connection ipes Oil Equalizing Pipe 6 35 6 35 Machine Weight Mass 365 420 420 420 420 420 high pressure switch fan high pressure switch fan Safety Devices Defrost Method Refrigerant Refrigerator ZEN drive overload protector drive overload protector Over current relay Inverter Over current relay Inverter overload protector overload protector Automatic intelligent Automatic intelligent defrosting defrosting is Electronic Expansion Valve Specification 220 Model Name Combination Unit CMVVIBBWSAM o QOMVMIBSOWSAM o V1350WSAM CMV V450WSAM CMV V450WSAM Model Name Independent Unit CMV V450WSAM Raa e NAN gt 09 ewm amawa seem aen AN
24. gt gt Outdoor VITODITEI 0 mperature EN sensor inverter omress een filter Aut IN fil Ne ud S TaY ER ail ter PN KAA n 6 high NO n E Fo e pressure gas oil liquid l seperator J j eg sech Z filter ES A tank J E LA N IN NE EUREN li N N Ma low pressure switch Outdoor condenser J L filter T low pressure senso p q low pressure tul valve 7 filter B a el A L Air balance ball valve L kur Ji S A Oil balancing stop valve Function 79 3 1 2 Oil Return Operation in Heating Operation Oil recovery procedures is a fixed programs i n heating mode system start oil recovery procedures after 2 hours of heating operation of oil recovery control is 3 min When carrying out the oil return in heating mode the operation of indoor unit all indoor electronic expansion valve of largest opening is 480P the indoor fan speed is controlled by the operation of anti cold air Outdoor unit all outdoor electronic expansion valve of largest opening is 480P start fixed frequency compressor to return oil see the diagram as below oil return control when heating
25. lowpresurebil valve f ilter l Arbalarehdl valve gt low p x 08 NA X lt O balancing sepahe TI 4 Protection Control The operation condition of CMV V DC inverter module multi unit is complex in actual use Not only the piping length is different also the service environment capacity quantity and fall of indoor unit is different as well Outdoor system capacity with free match from the 8HP to 48HP In order to apply to various working and installation environment the system has been set many of the protection control to ensure the system always running in safety condition as for specific please refer to the protection control as below 4 1 High Pressure Protection Control The function of setting a high pressure protection control is to protect the compressor parts from damage when system running in high pressure CMV V DC inverter module multi unit of high pressure protection control as follows A Check system high pressure with high pressure sensor B When pressure is higher than set value The system will automatically lower output capacity until the pressure is lower than set value C When high pressure value reaches to a certain value the compressor will stop operating in order to protect compressor from damage caused by high pressure D When high pressure switch is tripping off the compressor will stop operating in order to protect compressor from damage caused by high pressure 4 2 Low Pressure Pr
26. p Whitel Dm XT4 1 FK IN 1 mmh ATI LIG g o H Whitel Omm XT4 2 FK 1 GE 1 dw Bt NTI VII S E z E En Er z 43 31 mS 2HElectronic e E E XT2 RD G expansion valve expansion valve E XT2 G Shielding layer TR ew f D DD DD D DDD n el Mam JAR Ian a a ou SVS 4 WAY HEATERI HEATER2HEATER3 COMP1 COMP2 AC RELAY 73 OI CN41 oan CN23 ou CN27CN26 CN25 CNS CN37 CN40 oa ou oan OB 44 32 CN13 B 2 6 7 8 10 Fixed frequency compressor T z HE ER ER 1 Omm BK XT1 N 1 Fixed frequency compressor heating 5g 2 H S a Transfer to contactor contactor and coil of SE wire cable walking along on the right e e ad e 1 2 1 2f XT1 Li L2 L3 N AB 6 La La FK FK U2 V2 W2 4 e A N e i A e B e Ge ZEN VTN N ZN CEN VCEN VEEN NS REA A Soe 4 ML d NIN AKL l x NEA NGA NLA NLA NLA NILA NAA ALY ES 0 Go xy AN uU A B U WC qu e NU RAP op dh dh di O j 1k OQ Q L L Ni NG NGGI NL NL NL NL NEA KALA ALY NA NLA NLA NA NL IDU communication terminal Reactor condensing fan condensing fan overheating Note 1 the connected line which from L1 of ATI terminal connected to the L1 of the contactor KM1 must go through current transformer I FlA in the PC board of ODU 2 the connected line which from LU of filter HT535 connected to the three phase rectifier bridge DZ1 must go through current transformer I INV in the PC board of ODU J the connected line which from the N side of compressor frequency converting module to the negative of el
27. 125F1 12 5 D Galvanized steel 1710x510x245 1715x515x255 3x8x1 8mm 0 2747 YSK110 85 4P 105 Centrifugal rotor 115x2 1353 NO 3 fan speed 16 30 09 52 019 05 DN20 CO N D CLO EXV SP D032 Wired controller 2 1 2 2 Ceiling Cassette mT pu wwe ww merum omeen oere mn EEE neos neos mees Rows x Stages x Coil Cross 2x10x1 55mm 2x10x1 55mm 2x10x1 55mm Pare Area Area 0294 234 024 234 024 234 opm vorsers vorsers easa i NN Centrifugal rotor Centrifugal rotor Centrifugal rotor Fin Coil eh Air Flow Rate H L Air Flow Rate H L Rate H L External Static EX LE Dive 3 fan Sfanspeed 3 fan Sfanspeed 3 fan Sfanspeed Temperature Control B 16 30 16 30 16 30 Liquid Pipes mm 6 35 6 35 6 35 Piping Connections rann aran ZSP 5009 Color Camel Grey Camel oe Camel oe Gand oe Gand oe MEL 650x650x30 650x650x30 650x650x30 HxWxD Packing Dimensions 750x750x95 50x750x95 750x750x95 HxWxD mw a a EC wem wmm NA EN forever ronan ena cna Decoration Panels Specification 28 wm wia a ee anze RR ai omne R omen Rows x Stages lt Coil Cross FPI 2x10x1 55mm 2x10x1 55mm 2x8x1 45mm Fin Coil Model YDK 35T 4 1 YDK 35T 4 1 YDK 55T 6 Type 00 o Centrifugal rotor Centrifugal rotor Centrifugal rotor External Static Pressure UT Dive 3 fan Sfanspeed 3 fan
28. 49 38 59 38 59 5 Piston Displacement 38 49 x2 38 59 59 9 Number of Revolution of Revolution 30 78 x3 830 78 x3 3 88 4 27 x1 3 88 5 13 x1 3 88 5 13 5 13 x Starting Method EE Soft start up Soft start up me iT Axial flow fan Se flow fan Motor Output EUM 0 550x240 400x2 05504404004 550x140 400x4 Fan 11000x1 14000x1 16000x Air Flow Rate m3 h 11000x2 16000 1 E Variable frequency drive Variable Variable frequency drive drive Liquid Pipe 3 p22 2 Brazing Connection p22 2 Brazing Connection Connecting B Gas Pipe 3 p41 3 Brazing Connection p41 3 Brazing Connection ipes Oil Equalizing Pipe 06 35 06 35 Machine Weight Mass 29042904420 29043654420 high pressure switch fan drive high pressure switch fan drive Comp Motor Input x Number 3 884 4 27 x24 of Units 3 884 5 134 5 13 x1 Safety Devices overload protector Over current overload protector Over current relay Inverter overload protector relay Inverter overload protector Automatic intelligent Automatic intelligent Defrost Method BE a Capacity Control Capacity Conte BHO 10 45 30 0 10 ET NENNEN NEN eg soc Eparson vaio Cin ern ane sae mmm mana Specification 20 Model Name Combination Unit CMV V1130WSAM CMV V1180WSAM CMV V280WSAM CMV V4 CMV V280WSAM CMV V4 Model Name Independent Unit OOWSAM CMV V450WSA M M X2 Heating Capacity NEN 126 5 131 5 Dimensions H
29. 7 d BL e 2 LED3 64 T1 e i OR E e ON ON ON A High pressure switch e SES 2 mm mim we E B Led RD P AA b L SWI ODU PC bo ar d EXV2 N36 BXVI N35 a G I T el ow pressure switchi BK e E A Adderess Type Prower LEE DIXIT 2 gt CONTORL Ma 5 y Fan overheating o f RD Q ece ed 2 2 2 E 2 2 23 5 2 2 2 g i gt lt Shielding S SS cN8 3 3 S 3 2 3 2 2 2 2 ep GE Ce ro p p n p rp p t n p p pe S fa a WH B g TRANS IN SV1 Su SV3 SV4 SV5 4 WAY HEATER1 HEATER2 HEATER3 COMP1 COMP2 AC RELAY k ecel cna CN32 CN23 CN31 CN27 CN26 CN25 CNS CN37 CN40 CN3 CN34 CN33 Trans ou g E TT E LET E ai CN13 SEXE mex d mE Te a ep TT eve o Ki g S j p Q RD BK RD ak r BK ENEE TEE bee E s m 7 Se d vy N f Ss P N N KM1 KM 2 KM 3 r K 2 SV6 SV1 SV2 f sva P svs gt 4 WAY g E E E S Connect to the d ME 5 f 1 ODU PC board CN8 e i k 1 e r Lt jf gl mm ui it T N Refrigerant circuit 57 Electrical components arrangement Code description
30. A2 1455 E 2 Electronic Q 3 SS XT2 RD EDA D expansion valve expansion valve z E XT2 6 Shielding layer GMC 22 Lie TIN EN h M 1 A LN B oe A LH OO 5 XT2 B WA SE ic a en SV SV3 au SVS 4 WAY HEATERI HEATER2HEATERS COMP1 COMP2 AC RELAV S 0 44 32 CN41 CN32 CN23 N31 CN27CN26 CN25 ONG CN37 CN40 oa cN3 oan CNB 7 eae CN13 l Fixed frequency compressor E S T Ye 1 Omm BK ATIN 1 Fixed frequency compressor heating 7 z ER ER x Transfer to contactor contactor and coil of S wire cable walking along on the right e e R e 1 2 YT1 L1 L2 L3 N A B G La La va i AN e E x S PS B P f N y N vr I P Q Ne 9 KIKI KIA S AND LI O 2 OB O 7 A B CG a La E E s N O O ANANIN ANIT 29 ORRO O lo IRBE S P VL 5 KC X S WA Ne e Ar EE E ID i i inal U communication termina Reactor Note 1 the connected line which from Ll of XT1 terminal connected to the L1 of the contactor KM1 must go through current transformer I FlA in the PC board of ODU 2 the connected line which from LU of filter HT535 connected to the three phase rectifier bridge DZ1 must go through current transformer I INV in the PC board of ODU J the connected line which from the N side of compressor frequency converting module to the negative of electrolytic capacitors C3 must go throngh current transformer C22 which in the module driven board MODEL current direction must follow the mark from N to negative of C3 and the connected line cannot touch the commun
31. AC RELAY 3 Ov 43 SS 0N41 CN32 CN23 CN31 CN27 C26 CN25 CNS CN37 CN40 ou CN CN33 OB 7 CN13 l Fixed frequency compressor 5 v F 4 7 i 12 1 Om BK ATIN lfFixed frequency compressor heating E a a og 8 Zi ES Transfer to contactor contactor and coil of E eg aS So wire cable walking along on the right E Ka Fei Sd Sd XTI L1 L2 L3 N A B G A B G La La ZS ZN ZIN AN CS E Rl RP 3 SP cP Gi E O O S oA ud V Kg NGA d KLA NL A NL H 8 ANILAN 8 NAA LINZ UEM E H E A B C A B La La e P pu p l ZTN VIN N ZINE 7 N 8 rt SI TN ce d da dh x Ke O E L O O Ak O O L JA EE NGA GE NGGI NA NA KL NDAN NGA NEZ ANL IDU communication terminal Module communication terminal Reactor Main Power terminal Note 1 the connected line which from L1 of ATI terminal connected to the L1 of the contactor KM1 must go through current transformer I FlA in the PC board of ODU 2 the connected line which from LU of filter HT535 connected to the three phase rectifier bridge DZ1 must go through current transformer I INV in the PC board of ODU J the connected line which from the N side of compressor frequency converting module to the negative of electrolytic capacitors C3 must go throngh current transformer C22 which in the module driven board MODEL current direction must follow the mark from N to negative of C3 and the connected line cannot touch the communication terminal should be kept single separated far away f
32. COMP INV um 6 0mm BL go through peresan l gang H HT Dt MODEL Transformer IN By GJ TL JMM S aag Po N Module driven board S MODEL NT Eed y y d e Hi GREEN CPU uM v i ul S SE L1 L2 L3 see E 3 2 Smm BL OR RD XT4 Cable walking alone C NA Bas Connect to XT1 L1 1 Smm RD W CT TERT Connect to XTI N 1 Sm BK ro sene NA Lf CN3 RIT Connect to left fan Connect to right fan EL PS NL M EI MIL JN ES T CONTORL CN13 S56 e F oeoece MF 0 0606 P MODEL CN3 L1 L2 L3 B NI I N d ld ONIN EE 13 L ENENG t NIE NIE e 4 5 S N E H TRANS g e TRANS e L 3 2 zm RD OR BL We CN CPU inv e XU L1 L2 L3 Fan PC board amp CN of communication CONTORL CN8 CONTORL CN41 FAN BOARD l E E nn np 5 2 ES 3 2 o E gt S M o m S 2 ae o ou zm Em E E EON I FIA I FIB Jo en wen D ERE saet es ates DO DO C d S t t RI ondensing temperature CN43 CN30 CN29 CN28 CN NG T5 T6 MODLE RS485 Dsp Comm Pan Com LP Check HP Check Outdoor environment temperature 3 2 5mm RD OR BL XT1 3 2 5mm RD OR BL XT1 FUR E High pressure switch a E Ll L2 L3 LI L2 L3 ODU PC board 2 1 0mm BL ATI L3 re SWE SWS CONTORL TT Low pressure switch SE ae E 2 rr 2 1 Omm2OR YTL L2 o SEE CPU gt LL Onm BL 1 0mm BL o 7 Omm2RD XTI Li 2 on on o 2 E re Whitel Omm XT4 1 FK l 1 Omm2 BK XTI NIT Z SET m ee EEN E oe R ae K dr e e Su DEE x REI ALLI L2 13 A2 14531 ALLI L2 L3 42 T4331 1 El
33. Cross flow fan Motor Output Fan l Air Flow Rate H L External Static Pressure 4 Temperature Control Liquid Pipes Pipin Connections Machine Weight Mass EXV Model Lo SP D029 SP D029 SP D029 Standard Accessories a remote controller remote controller remote controller Ke Specification 34 Dimensions WxDxH mm 900x282x205 900x282x205 1080x304x221 Packing Dimensions WxDxH mm 1085x380x300 1085x380x300 1085x380x300 wat Rows x Stages x Coil Cross EPI 2x16x1 6mm 2x16x1 6mm 2x16x1 6mm asa pes ounst awana mes External Static Pressure kA PJ speed PJ speed PJ speed Temperature Control 16 30 16 30 16 30 p6 35 p6 35 09 52 618 Liquid Pipes Drain Pipe Piping Gas Pipes mm 012 7 012 7 p15 88 Connections DN20 DN20 DN20 EXV Model mn SP D030 SP D030 SP D031 Standard Accessories IN remote controller remote controller remote controller Specification 35 1 2 5 Middle ESP Duct CMV 71F2 CMV 80F2 CMV 90F2 Galvanized steel Galvanized steel Galvanized steel 1045x580x385 1045x580x385 1170x600x430 1180x610x485 1180x610x485 1315x630x545 Rows x Stages x Coil Cross Cp 2x13x1 5mm 2x13x1 5mm 3x15x2 0mm Fin Coil Face Area 0 350625 E YSK139 150 4P YSK139 150 4P YSK139 180 4P L EMEN Centrifugal rotor Centrifugal rotor Centrifugal rotor Motor Output 300x1 300x1 450x1 Fan l External Static Pressure 4 3 fan speed 3 fan speed 3 fan speed Temperature Control 16 30 16 30 16 30 Liquid Pipes 09 52 0
34. LL CM 1 Omm RD Z 7 1 Omm BK XTIN a 4 ATI 2 2 Lo M N 1 Omm2RD DZL 1 Hra 2 LA X 2 Smm BR CA SFP 9 m l ZOEN L 1 Omm2BL DZ1 3 77 gt el x C3 ES MODEL pent PEN a 2 1 Omm20R DZ1 2 es E 4 NG A j Compressor frequency CN12 2 1 Omm WH Le 4 N DZ1 5 2 5mm BL No conversion module 2 Smm BR d N MODEL CN12 3 1 Omm BL COMP INV XT4 2 La BG R 6 Omm BL go through pee C MODEL Transformer 3 2 Smm RD OR BL DAL 1 7 woe w P N Module driven board MODEL CN11 Ei T GREEN DU H E n V r L1 L2 L3 RED l enk Jie 3 2 Smh BL OR RD XT4 Cable walking alone A H p 1 5mm RD HT325 P N Ar POS RET Li EN ees f See Fan variable AN ORIGN i CN3 np frequency board PARTE i cime NEUTRAL 5 CONTORL CN13 ZEE FAN INV 1 Smm BK HT325 N GO PN E MODEL ECNI LLL z 2 ped dug LS l TRANS g ef TRANSI o 2 z Z v V 3 2 5mm RD OR BL 1 5mm RD BK Y v j CONTORL CN41 CONTORL CN8 NG amp E 2 z 5 2 m fe o 5 S S B COMM GEES E Gi I F1A I FIB au Cup PS ze E D E EDT Condensing temperature F2 Fl T7 T5 T6 MODLE RS485 Dsp Comm Fan Comm LP Check Check 21 Outdoor environment temperature 372 5mm RD OR BL ATI arn L1 L2 L3 IO ET CET 2 m i i j c HHH TO g High pressure switch L Omm BL 1 Orin BL ATI Lics SW6 SWS CONTORL CPU zel Low pressure switch 1 Omm OR ATI L2 S e e m l 2 FEX d o
35. Nu oe an LL JR OSEE aa and reactor connection in the unit le E e RE No an inverter start up conta ctor gt works well E eod mt C heck whether baen No R th t t d the resistance of the contactor Spa dede eier Sm cul re nodes eeh check the main board Check whether the CPU board Replace it of outdoor units is wrong if so _ Thee k wheth er fe No rc compressor works well Check whether the compressor gt Replace it Been EE Md is short circuit if so pe BE es Check whether tha No inverter module works well Check whether the module gt Replace it M per works well if not ChReck whether th amp _ No three phase rectifier works well gt Ka NE KW BANG Ma UNDE gt Replace it an WR phase rectifier is normal if not L Check whether th8 No filter capacity works well gt Check whether the capacity of gt Replace it cci the capacitor is normal if not Check whether the CPU board gt Replace it of outdoor units is wrong if so Troubleshooting 108 Yes 12 P02 The exhaust temperature of Inverter compressor is too high P19 The exhaust temperature of 1 Fixed frequency compressor is too high P22 The exhaust temperature of 2 Fixed frequency compressor is too high Causes When the exhaust temperature of Inverter compressor gets to 120 during operating the system will clue to the compressor ent
36. T T BR on RD OR BL RD OR BL OR GN D72 N ORBLRDBK era l e gt p d i BR BL Se NERA B C nes N ED Soros CN12 TE NEE E 4 M WH CN3 jd x KAN BOARD z Lightning board N BK 9 o NI ien PROTEC p K kak F transformer M 7 7 A Br CPU an board ayy p LI RD 10 f 1C22 pump V 2 Z 7 ES 3 qh ath 3 L S es Z3 S A e E 3 ibi i Ed GN MN RR 7 CN4 nn e U3 v3 w3 amp U4 v4 wa J SSW o l RD OH BL RD OR BL Compressor frequency gi er RS NIS LUN 3 LP ll conversion module 2 OR v Module driven board lt lt N j N N y N ri Se S D um i 4 C OMP I NV za M ODEL COMP1 m COMP2 KS L mg N N nmn Pan TN Esc Bw s d m o 8 C B mm INV 2HFixed f ay NGA 1 Fixed frequency KH2 Quar KUS C4 C5 NA 5 compressor 8 P H H T 2 Elect i K dia m expansion valves 2 1 Electronic E Eet HI Pa H Module communication port expansion valves g PL K 8PH K i d T d T i H SR Connect to the next module ge UN Pu p HI HL Lu uh EXV2 BXV1 i Sal t HH i 1 tal J S N PA NS x d i i de EE epe S d I F1A I F1B CT2 CTI e o e o e e e e e e BIER eee eee eee eee Condensate temp transformer transformer CN10 T5 CN43 rs MODLE RS485 CN29 CN28 CN7 CN6 E P 3 F2 F1 T7 CN30 Dap Comm Fan Comm LP Check HP Check e is Ces transformer N N e Outdoor environment temp TIN E 6 CPU wee amp o s SS 2
37. Troubleshooting 96 C The wired controller of door units indicates faults and protections with special characters especially for duct type and floor amp ceiling type indoor unit When the system goes wrong or enters to the protection state or other operating states LCD of the wired controller will display the corresponding code and give an alarm and the code display table is as follows Table 3 Code display Table Operating information Digital display tube Instruction codes Defrost cue capitalaremall iae It just displays at starting up E Digital display tube HEN Fault information codes Instruction Communication fault between the ke ot a indoor unit and outdor units a DEEN ein ete erg ena i EE It just displays at shutting down Room temperature sensor fault e It just displays at shutting down Man at shutting Indoor evaporator frosts for protection The temperature sensor fault at outlet of the pipe T2B De Itjust displays at shutting down Indoor fanfault as for PG motor It just displays at shutting down Water pump fault NM It just displays at shutting down Protection from the temperature at the middle point It just displays at shutting of the pipe T2 too high in heating mode down no display The temperature sensor fault at EEn En the middle point of the pipe T2 Itjust displays at shutting down Outdoor units fault Itjust displays at shutting down Troubleshooting 977 D The operation panel of
38. VW 3 BK Jr ORI GN E 5 C c c c c Ere amp o LL n U3 V3 w3 lt U4 V4 w4 eres Robel 8 d H HE UE Do gu HD OR BL RD OR BL SV Compressor freguency ld EI SH N n N dA P4 E conversion module BL OR RD Module driven board Pi lt 2 lt Loren N N MA LZ COMP INV Sd MODEL COMP 1 COMP2 OR GN NP wm gt y i N l N m Fest da NC o E EN K uu P NL FAN B mol INV C esFixed freque Ka g ln aaa 1 Fixed frequency KH2 Ln dd T YKH3 been 4 NA B 5 compressor E Ee Condensing fan Condensing fan Ld prs i PT4 PT3 2 Electronic 2 c 1 1 expansion valves 1 Electronic 2 5g H d H H Module communication port expansion valves 8 PL K 8 PH K p T 4 T H T Connect to the next module E CX we 9 p H H dE Pam Y d E E it in b BXV2 BXV1 E d it id edis 3 I FlA I F1B CT2 CT1 e o e o 6 o e eee DO D ee ee eee eee eee Condensate temp transformer transformer CN10 CN43 MODLE S485 CN29 CN28 CN7 CN6 E T K F2 F1 T7 CN30 Dap Comm Fan Comm LP Check HP Check e i a GES transformer me Outdoor environment temp e X RN 6 CPU 6 Si EE CT3 Es RU BL 2 LED 98 e z Pa OR Se e e ON ON ON d High pressure switch RD s ODU PC board be s S st sw4 SW2 SW3 H Low pressure switch BK E A Adderess Type Prower HXIIII eee ceel z CONTORL m 321 2 e Fan overheating o g f RD 5 m TRANS IN SCH
39. adjust UP DOWN air door wall mounted type with your hand or else once the control angle is changed which leads that the air door can not be closed completely or does damage to parts 3 Set the current time After enclosing battery the current time will set at AM12 00 automatically If the current time is10 30am do as follows D Press please use the pinpoint or other similar object CLK switch A M or P M will be flashing 2 Press the HOUR key continuously adjust the time to A M 10 If the setting hours are more than 12 hours A M ischanged into P M 3 Press the MIN key continuously adjust the time to 30 4 Press CLK key to exit from the setting Theicon A M Or P M On the time indicator is changed from twinkling to the flashing Time set of pre open timing start is supposed to the current time So you should set the accurate current time Notices for using the remote controller D Don tplace the remote controller near the heat resource such as electric carpet and heating furnace 2 Don texpose the remote controller under the sun SSES Seve 3 Not drop it down otherwise it will be damaged 4 Not place the barrier between the signal receiver and remote controller otherwise it will influence the sending and acceptance of the signal 5 Don tspatter the liquid like water to the remote controller Don tlay the heavy thing on the remote controller NOTE If the remote co
40. anan ga Ka Whether the Yes actual ambient temperature Bee The system is normal T s lowerthan 14 C 7 e er ee gf We a ma ga We Dm es Check whether N me Tu aa JO i e the ambient temperature sensor Maintain or replace the works well m s SENSo No Check whether the electric control mainboard works well Troubleshooting 117 2 2 Indoor unit 1 Communication fault between the unit and outdoor unit the troubleshooting is referred to the flow below Communication fault betweem the unit and outdoor unit m Check whether _ the communication wires are Te No Replace the wires stated sheilded wires with two cores e according to ihe reguesi or the diameter of wires is right D pom na NE a Yes Check whether _ the communication wires of indoor No l Connect them well and outdoor units are connected well n n m na ian pam por Yes B oa m tn e een _ Check whether the communication wires are Yes short circuit or open circuit Replace them for new ones T m m Teen nan p udi Check whether _ Connected them firmly the communicatin ports are connected and then check once a pa well with the mainboard more Teen Check the indoor main bo
41. fe TRANS2 o e TRANSI o CE N W LR 3 2 5mm RD OR BL 1 5mm RD BK is n 8 CONTORL CN41 CONTORL CNR NG E s 5 E 5 n SEN E E US NE ev f CNI 5 SEE d 3 S COMM lt om zi e E b D I FIA I FIB S SEI e El El i i Condensing temperature F2 Di i T7 p waz S485 ep Cail Pan Con LP Check Cheek ud Outdoor environment temperature 3 2 5mm RD OR BL ATI gesch e E l l LI L2 s CT3 ce S High pressure switch T Omm BL 1 Mn BE ATI L3 2 SWE SWS CONTONL CPU 7 T Low pressure switch e WEE Sir e EEN SE Whitel Omm XT4 1 FK KMI Al KMI A2 ELS S ES CS NIE i Ry Y S NA T Omm BK XT N sjid a pa Ta zE Whitel Omm XT4 2 FK Ge Al LI L2 L3 A2 14331 S 2 Electronic Q E a XT2 A RD PH N expansion valve expansion valve z E XT2 6 Shielding layer CMC 22 L Y cw A ARAARA HA 5 KML gt BS Juan e an gy4 SVS 4 WAY HEATERI HEATER2HEATER3COMP1 COMP2 AC RELAY s Ut 4 CN41 CN32 CN23 CN31 CN27 C26 CN25 CNS CN37 CN40 CN3 eau CN33 N13 44 32 CN13 2 1 2 4 5 6 7 8 10 Fixed frequency compressor E E E E i z H EE ER 1 0mm BK XT1 N 1 Fixed frequency compressor heating SE AE 53 Pp ER a3 S Transfer to contactor contactor and coil of 2 25 zg mm wire cable walking along on the right 3 E e el Moh 1 2 1 2 NTI L1 L2 L3 N A B G A B G La La FK FK U2 V2 W2 ts de en Y 4 L y gh O NC a 0 C an NE TES Q O EIS BIS JEA N M EE Set SE N LAN Ak LZ i SLA NLANLA 8 NM c o Nal A eol NGAKASA KAKA Le Pu Eu m ABG AB
42. host and slave unit of less runtime by weighted lv Outdoor host capacity capacity of salve unit of less runtime lt sum of indoor unit capacity requirements sum of all outdoor modules capacity then share the total indoor capacity requirements equally among outdoor host and all salve unit by weighted 24H P 36HP Host High priority slave unit Low priority slave unit NO 1 NU 7 NO 3 NU 4 NO 5 NU 6 inverter compressor Fixed frequency inverter compressor Fixed frenquency inverter compressor Fixed frenquency compressor compressor compressor 38HP Host High priority slave unit Low priority slave unit NO 1 NO 2 NO 2 NO 4 NO 5 NO 6 NO 7 inverter compressor Fixed frequency Fixed frequency inverter compressor Fixed frequency inverter compressor Fixed frequency compressor compressor2 compressor compressor Function 72 40HP 42HP 44HP host High priority slave unit Low priority slave unit NO 1 Wi Wi NO 4 NOS N06 NO 7 N08 A Hrs jency Beleen EA See ncy R E inverter urit fixed aie compressor compressor 2 compressor compressor 2 compressor 46HP 48HP host High priority slave unit Low priority slave unit MII N02 N03 MILA N05 Min NO 7 NO8 NOI inverter compressor Hxe
43. in the PC board of ODU 3 the connected line which from Ll of filter HT535 connected to the three phase rectifier bridge DZ1 must go through current transformer I INV in the PC board of ODU 4 the connected line which from the N side of compressor frequency converting module to the negative of electrolytic capacitors C3 must go throngh current transformer C22 which in the module driven board MODEL current direction must follow the mark from N to negative of C3 and the connected line cannot touch the communication terminal should be kept single separated far away from the other lines 9 Two holes in the ODU PC board must have plastic pillars support but does not need to screw fastening all communication lines cannot be bound with the strong current lines 6 Output lines SV1 SV2 SV4 SV5 4 WAY HEATER1 should be respectively cover on marks 1 2 3 4 5 6 and the N lines doesnot need 7 Output lines U V W of frequency conversion compressor go throngh magnetic ring which away 200mm from the compressor terminal and reverse loop around and fixed Refrigerant circuit 61 E 8HP 10HP Electric appliances wiring diagram of Single type
44. indoor units indicates faults and protections with special characters especially for wall mounted unit When the system goes wrong or enters to the protection state or other operating states LED of the display will shows the corresponding code and give an alarm and the code display table is as follows Operation information LED codes Th ing flashi adde ii when start Th ing flashi when start The running lamp flashin Non priority cue Flash three times 9 P d and the unit is shut down Th ing flashi Outdoor units with fault cue Flash four times MM Ede S all the time Fault information LED codes It just displ hutti Communication fault with outdoor unit EEN down It just displays at shuttin Room temp sensor fault EE pala down The middle of indoor coil temp sensor is E3 It just displays at shutting fault T2 down It just displays at shuttin Indoor coil frosting protection M ai GE TS down The outlet of indoor coil temp sensor is E5 It just displays at shutting fault T2B down Indoor fan motor fault only when the EG It just displays at shutting motor is PG motor down E7 It just displays at shutting down It just displays at shuttin Outdoor ambient temp T4 too low pay is down It j ispl hutti Sudan E tjust displays at shutting down E Water pump fault 8 9 It just displays at shuttin Zero passage protection A SSC SE down B C EPROOM fault EBs Power on 20s and display High temp
45. l time control the switch for outdoor liquid bypass and liquid flow switch etc Outdoor electronic expansion The two electronic expansion valves for exactly the same in the system used valve for adjusting the system refrigerant circulation while cooling and heating Module used by electromagnetic valve module make each refrigerant Modular magnetic valves 8 air conditioners can operate independently DEM Liquid side electromagnetic valve is used to prevent compressor exhaust Liquid side magnetic valves temperature of overhigh Inverter compressor unloading l Used for protecting the inverter compressors magnetic valves Oil return magnetic valve Return oil electromagnetic valve is used to control the modular return oil road Oil balance magnetic Electromagnetic valve is used to balance oil system of compressor lubricants valve operation module Exhaust temperature sensor of frequency compressor Compressor exhaust temperature sensor for the check the exhaust Exhaust temperature sensor for temperature of compressor and protect compressors fixed frequency compressor 1and 2 Real time detection of environmental temperature provides the basis for Amibent temp sensor controlling system Real time detection of system condenser temperature provide corresponding Condenser temp sensor protection 43 Refrigerant circuit CMV V DC inverter modular multi unit system diagram 14HP 16HP Filter
46. oil return operation Power off state Cooling ON Cooling ON 1 High temp amp pressure s l gas N N N j Filter Filter Filter High temp amp pressure 2 liquid Electronic NAN Electronic NAN low temp amp pressure expansion viet expansion valve 480P P 480P Filter l Filter Filter Inner fan Inner fan Inner fan Normal operation normal operation Do not operate M e High pressure sensor Outdoor environment ST D t t High pressure emperature sensor switch v e Inverter RSS compressor Filter gr pc Filter z Nah l a A SQ _ 9 Hs GO zi LONG NG igh lt l Oil gas Outdoor condenser v High pressure pressure Filter Separator N ball valve e katik E temperature sensor WA Frequency Low
47. pressure j D NG compressor 1 switch Outdoor E condenser Filter Four way Jr X OW pressure valve L mr Sensor A 1 A DN T low pressure em Filter ball valve Greg j N IN low pressure Air balance valve Ka it ank A ps eS E B Oil balance stop valve Refrigerant circuit 49 Heating operation Heatin e ON Heating ON OFF state x j Filter Filter Filter Electronic i Electronic Electronic expansion vad ve expansion valve expansion valv r Normal s y Normal adjustment Y Often open 40P 7 Oo adjustment d N E a l wu Le Filter uw NONG Filter f Filter NG P NS N PA NG E WA K PA Inner fan Inner fan Inner famn Normal operation normal adjustment do not operate Ha EN m H
48. section release the refrigerant gas completely at a well ventilated place first If there is a gas remaining inside the compressor the refrigerant gas or refrigerating machine oil discharges when the pipe is disconnected and it can cause injury If the refrigerant gas leaks during the repair work ventilate the area The refrigerant gas can generate toxic gases when it contacts flames The step up capacitor supplies high voltage electricity to the electrical components of the outdoor unit Be sure to discharge the capacitor completely before conducting repair work A charged capacitor can cause an electrical shock Do not start or stop the air conditioner operation by plugging or unplugging the power cable plug Plugging or unplugging the power cable plug to operate the equipment can cause an electrical shock or fire Do not repair the electrical components with wet hands Working on the equipment with wet hands can cause an electrical shock Do not clean the air conditioner by splashing water Washing the unit with water can cause an electrical shock Be sure to provide the grounding when repairing the equipment in a humid or wet place to avoid electrical shocks Be sure to turn off the power switch and unplug the power cable when cleaning the equipment The internal fan rotates at a high speed and cause injury Do not tilt the unit when removing it The water inside the unit can spill and wet the furniture and floor
49. sensor or the main board goes wrong the outdoor system will clue to the corresponding temperature sensor fault Troubleshooting Please carry on the flow below P03 The exhaust temperature sensor of Inverter compressor goes wrong P14 The condensing temperature sensor goes wrong P15 The sensor of outdoor ambient temperature goes wrong P20 The exhaust temperature of 1 Fixed frequency compressor goes wrong P23 The exhaust temperature of 2 Fixed frequency compressor goes wrong L pe ai EE ONE ana l NO Connect them well lt the wiring is right or connectors are lt ee ga LEE according to needs Yes Check whether te en NO Replace the sensor Yes Replace the outdoor mainboard Troubleshooting 110 14 P04 High pressure switch exhaust pressure switch breaks P05 Low pressure switch suction pressure switch breaks P06 Protection from the system exhaust pressure too high pressure sensor P07 Protection from the system suction pressure too low pressure sensor Causes When the system pressure is too high or too low the pressure components go wrong or connectors on the electric control board are not contacted well the system electric control will display the corresponding fault codes Troubleshooting When P04 P05 P06 or PO7 is indicated on the outdoor electric control board please carry on maintaining following the flow below PO4 High pressure switch exhaust pressure switch breaks POS Low pressure swi
50. speed 3 fan speed 3 fan speed 16 30 16 30 16 30 C Air Filter Liquid Pipes mm Pipin M Gas Pipes mm Connections m 3 Drain Pipe Machine Weight Mass x NO Oo NO CO 5 Sound Level H L en UJ EN EN CL Wired controller Wired controller Refrigerant Control EXV Model Standard Accessories Specification 26 Model 1 Cooling Capacity 2 Heating Capacity Casing Color Dimensions WxDxH Packing Dimensions WxDxH Coil Cross Fin Coil FPI Motor Output Air Flow Fan Rate H L External Static Pressure kA Temperature Control Air Filter Liquid Pipes Piping Connection Gas Pipes S Drain Pipe Machine Weight Mass 5 Sound Level H L Refrigerant Control EXV Model Standard Accessories Specification k k sch P NO mm 3 0 m m2 C 3 mm mm x 9 dB A CMV 100F1 O Galvanized steel 1710x 510x245 1715x515x255 3x8x1 8mm 0 2747 YSK110 85 4P 105 Centrifugal rotor 115x2 882 NO 3 fan speed 16 30 09 52 019 05 DN20 CO m CO SP D032 Wired controller CMV 112F1 11 2 12 5 Galvanized steel 1710x510x245 1715x515x255 3x8x1 8mm 0 2747 YSK110 85 4P 105 Centrifugal rotor 115x2 1353 NO 3 fan speed 16 30 09 52 019 05 DN20 CO N A LO EXV SP D032 Wired controller CMV
51. stop the indoor unit running to prevent the indoor unit from frosting During frosting protection when the coil temperature of the evaporator is no lower than the electric control will unlock the protection and restart up the indoor unit The troubleshooting is referred to the flow below Frosting protection of the indoor evaporator NG _ es va KT ma 4 EE Check whether the Nt sensor works well or the pipe temperature buka Maintain the sensor fg Ineasured by the sensor is in line with n on ane ao S VE sg Mo ee n a sr ma 4 ez ma 4 E e ra Wi um enn No EX f Check whether the Maintain the indoor unit indoor fan works well nan m ma 4 ai oe m nang kama M Yes id Check whether the No Maintain the throttling electronic throttling set of indoor gt set and then check it unit it works well a again es Check whether the refrigerating system runs well and the system is blocked or do other disposals Troubleshooting 120 6 Outlet temperature sensor fault of the pipe the troubleshooting is referred to the flow below Outlet temperature sensor fault of the pipe e e 7 Check whether _ he wiring is right or connectors are No connected well Yes _ Check whetherthe No sensor is all right Kaa m Kaa er a m a a P x Yes Check or replace the indoor mainboard Troubleshooting Con
52. they are not followed closely The AN Caution items can also lead to serious accidents under some conditions if they are not followed Therefore be sure to observe all the safety caution items described below About the pictograms A This symbol indicates an item for which caution must be exercised The pictogram shows the item to which attention must be paid o his symbol indicates a prohibited action The prohibited item or action is shown inside or near the symbol e This symbol indicates an action that must be taken or an instruction The instruction is shown inside or near the symbol m After the repair work is complete be sure to conduct a test operation to ensure that the equipment operates normally and explain the cautions for operating the product to the customer Table of Contents II 1 1 1 Caution in Repair AN Warning Be sure to disconneci the power cable plug from the plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the discharging refrigerant gas The refrigerant gas can cause frostbite When disconnecting the suction or discharge pipe of the compressor at the welded
53. 0F1 CMV 90F3 CMV 100F3 CMV 125F1 CMV 120F3 CMV 150F3 CMV 150F1 2 2 Outdoor Units 8HP CMV V252WSA M 10HP CMV V280WSA M 12 HP CMV V335WSA M 14 HP CMV V400WSA M CMV V450WSA M General Information 3 18 HP CMV V532WSAM CMV V615WSAM 20 HP CMV V560 WSAM 24 HP CMV V680WSAM CMV V735WSAM 28 HP CMV V780WSAM 30 HP CMV V850WSAM 32 HP CMV V900WSAM CMV V960WSAM CMV V1010WSAM 38 HP CMV V1065WSAM 40 HP CMV V1130WSAM 42 HP CMV V1180WSAM CMV V1235WSAM 46 HP CMV V1300WSAM CMV V1350WSAM General Information 4 3 Model Selection Connectable Indoor Units Number and Capacity CMV V252WSA M CMV V280WSA M CMV V335WSA M Capacity Outdoor unit 1 master modular CMV V252WM6A M CMV V280WM6A M CMV V330WN6A M Outdoor unit 3 Total number of I indoor units Total Capacity Index of Indoor Units to be 12 6 27 7 14 0 30 8 16 5 36 3 Connected CMV V400WSA M CMV V450WSA M CMV V532WSAM Capacity mp 01 Im J 1 O Outdoor unit 1 master modular CMV V400WN6A M CMV V450WN6A M CMV V280WM6A M Total number of connectable indoor units Total Capacity Index of Indoor Units to be 20 0 44 0 22 5 49 5 26 6 58 5 Connected System name name CMV V560WSAM CMV V615WSAM CMV V680WSAM Capacity 22 24 Outdoor unit 1 master Cm CMV V280WM6A M CMV V330WN6A M CMV V400WN6A M Outdoor unit 2 CMV V280WM6A M CMV V280WM6A M CMV V280
54. 5 2x8x1 5mm 2x8x1 5mm 2x8x1 5mm 0 139 0 159 0 18 YSK110 20 4P YSK110 40 4P YSK110 50 4P Centrifugal rotor Centrifugal rotor Centrifugal rotor 3 fan speed 3 fan speed 16 30 16 30 012 7 012 7 012 7 DN20 DN20 DN20 Wired controller Wired controller 1 Cooling Capacity 5 6 6 3 2 Heating Capacity Casing Color x UO x I Dimensions mm Packing Dimensions WxDxH m Rows x Stages x FPI Coil Cross D Face Area 3 Model Type Motor Output Air Flow Rate H L External Static Pressure 4 Drive Temperature Control Air Filter Liquid Pipes mm Piping Connection Gas Pipes m S Drain Pipe m 3 3 Machine Weight Mass 5 Sound Level H L Refrigerant Control EXV Model Standard Accessories cfm dB A Specification 25 Model CMV 71F1 CMV 90F1 Galvanized steel Galvanized steel 1133x485x234 1710x 510x245 1175x515x245 1175x515x245 1715x515x255 2x8x1 5mm 2x8x1 5mm 3x8x1 8mm 1 0 18 0 2747 YSK110 85 4P 95 YSK110 85 4P 95 YSK110 85 4P 105 1 Cooling Capacity x 2 Heating Capacity Casing Color Dimensions WxDxH mm Packing Dimensions WxDxH 3 m Coil Cross Fin Coil FPI Centrifugal rotor Centrifugal rotor Centrifugal rotor Motor 140 140 115x2 Output Air Flow Fan cim 530 530 882 Rate H L External Static 20 20 20 Pressure 4 Temperature Control 3 fan
55. 6 C to 31 C C In DRY mode the sign of DRY onthe LCD will be lightened and the temperature isn t adjustable D In FAN mode the sign of FAN onthe LCD will be lightened and the temperature isn t adjustable E In HEAT mode the sign of HEAT onthe LCD will be lightened The adjusting range of the set temperature is from 16 C to 31 F AUTO mode is justas the FAN mode Test Operation 86 3 TIMER key A The TIMER key can be used for set the system timer on timer and off timer B When starting the system default timer is 0 00 it will be flashing or be reset if the TIMER key has been pressed for 3s in the working condition C When the system timer is flashing press HOUR key and the system clock will increase in hour while pressing MINUTE key the system clock will increase in minute D Completing the system clock adjusted press TIMER to affirm the timer which will be kept for all timer E When the timer of Timing ON OFF is flashing press HOUR key and the system clock will increase in hour Pressing MINUTE key the system clock will increase in minute The present timer minus the off timer is the system timing timer F Once the TIMER ON and TIMER OFF setatthe same put on effect they will be indicated in turn G Setting the TIMER OFF in the ON state the wire control will be closed and the timing off function will also be cancelled when pressing the ON OFF key H Setting the
56. 9 52 09 52 Piping Gas Pipes 015 88 015 88 019 05 Connections EXV Model an SP D031 SP D031 SP D032 Standard Accessories a Wired controller Wired controller Wired controller Specification 36 Rows x Stages x Coil Cross CMV 100F2 CMV 120F2 CMV 150F2 Galvanized steel Galvanized steel Galvanized steel 1170x600x430 117 0x600x430 1320x600x430 1315x630x545 1315x630x545 1465x630x545 M 3x15x2 0mm 3x15x2 0mm 3x15x2 0mm Face Area ee 0 350625 0 350625 0 406875 wem YSK139 180 4P YSK139 180 4P YSK139 350 4P C Un Centrifugal rotor Centrifugal rotor Centrifugal rotor Fin Coil External Static 2 5 1 5 de Pipin Asi M CC MI c ww w M m m om es mm oem eee masses meme werner a Specification 37 1 2 6 High ESP Duct wa ewa owes an EE NA NA AA AAN NANA ac ang Govan re Fase WP mm pang Ters ers Rows x Stages Coil Cross x Por 2x13x1 5mm 2x13x1 5mm 3x15x2 0mm FaceArea Area 0 350625 350625 Seer YSK139 150 4P YSK139 150 4P YSK139 180 4P mee f Centrifugal rotor Centrifugal rotor Centrifugal rotor Motor Output EN 300x1 300x1 500x1 Fan Air Flow Rate 1330 H L External Static Pressure CEN Die 3 fan speed 3 fan speed 3 fan speed Temperature Control 16 30 16 30 16 30 Ke Liquid Pipes 09 52 09 52 09 52 Piping S EXV Model NE SP D031 SP D031 SP D032 Standard Accessories Wired controller Wired controller Wired controller Fin Coil Specification 38 Ro
57. AA we I XN Number of 30 78 x3 rom x Comp Revolution g Motor Input x 3 88 5 134 5 13 x Number of Units Starting Method I us Setsatup 0000000 start up Motor Output 0 400x6 Air Flow Rate 16000x3 Liquid Pipe 3 p22 2 Brazing Connection Connecting l l Gas Pipe 3 041 3 Brazing Connection Pipes Oil Equalizing Pipe 6 35 Machine Weight Mass 420 420 420 high pressure switch fan drive overload protector Safety Devices Over current relay Inverter overload protector Defrost Method um Automatic intelligent defrosting Capacity Capacity Control Capacity Control 15 110 Refrigerant Name MEM R 410A Refrigerant ome eme AAN eme pee aaee mana Specification 223 1 2 Indoor Unit 1 2 1 Low ESP duct type we NT awan ewm ous eme Gum Gon Gaines e 1 emee mee mess me Senat Ser ae mom fw e 9 Fan Air Flow Rate cfm 230 230 312 H L External Static Pressure a 3 Drive 3 fan Stan speed 3 fan Sfanspeed 3 fan speed Temperature Control v 16 30 16 30 16 30 Liquid Pipes p6 35 p6 35 p6 35 Piping S EXV Model EE SP D029 SP D029 SP D029 Standard Accessories a Wired controller Wired controller Wired controller NO Co CO C1 CO CO Coil Cross Fin Coil M Specification 24 Model CMV 36F1 CMV 56F1 Galvanized steel alvanized steel Galvanized steel 913x485x234 1013x485x234 1133x485x234 950x515x245 1175x515x245 1175x515x24
58. De connected aee Tall oo EE EE ET IDU communication Module communication Se neun t emen Main power to the slaves Main power SE EE dee Refrigerant circuit 58 A Electric appliances wiring diagram B 8HP 10HP Electrical wiring diagrams of modular unit control
59. G La La FK FK 2 U2 V2 W2 rm qu ee CN PS L OON VEN CEN TN VON VEN d n ION VOEN le Tal VOEN VOEN VOEN VEEN ZT NN di lt b d5 ch O Gr AI O O Jt O O ch 6 1 NI NI NA NI LA D INL NLA KEY LA CLARA VILA NLA NILA NLA NIANI IDU communication termina Module communication terminal Reactor condensing fan condensing fan overheating Note 1 the connected line which from Ll of ATI terminal connected to the Ll of the contactor KM1 must go through current transformer I FIA in the PC board of ODU 2 the connected line which from Ll of filter HT535 connected to the three phase rectifier bridge DZ1 must go through current transformer I INV in the PC board of ODU J the connected line which from the N side of compressor frequency converting module to the negative of electrolytic capacitors CJ must go throngh current transformer 1C22 which in the module driven board MODEL current direction must follow the mark from N to negative of C3 and the connected line cannot touch the communication terminal should be kept single separated far away from the other lines 4 Filter HT325 should be installed in the HT535 5 Two holes in the ODU PC board must have plastic pillars support but does not need to screw fastening all communication lines cannot be bound with the strong current lines 6 Output lines SV1 SV2 SV4 SV5 4 WAY HEATER1 should be respectively cover on marks 1 2 3 4 5 6 and the N lines doesnot need 7 Output lines U V W of
60. GREEN CPU d H n en H 7 S LI L L3 AN Ex NUUS 3 2 5mm BL OR RD XT4 Cable walking alone N V aa Connect to ATI L1 1 5mm RD Ss w CSC Connect to NTIN 1 Sum BK f CN3 Sarit Connect to left fan Connect to right fan ZEE MILIN en I CONTORL CN13 SBE e wr c cec c L1 L2 L3 E MODEL ECN 3 U df e TRANSI e TRANS2 Jo A E Es NA M 3 2 5mm RD OR BL p CNS CPU Sach ATLL 12 D 1 Fan PC board 4 CN CONTORL CN8 CONTORL CN41 2 communication P FAN BOARD e idd S z DB Apa nn d E 2 S z e z z 9 SS a 6 ad L o 2 amp SS Ee E Wes E 3 i Z ss zs S8 I FlA I FIB e p ILU rn Emo Eh ma E EE OO DJ condensing tomerature F2 Fl T7 T T6 MODLE RS485 Dsp Comm Fan Comm LP Check HP Check gt Outdoor environment temperature 3 2 5mm RD OR BL XT1 3 2 5mm RD OR BL XT1 x I Don Z High pressure switch CT3 ta E 2 HD ODU PC board 2 LI 12 L3 LI L2 L3 2 Omm BL A L SA S Siet CPU F a Low pressure switch 1 1 A 0m BL IEEE et m Q 1 Omm2RD XTL OTI IE CR o S Mitel Omm XT4 1 FK IN 7 deg BE YHT Y ge aa G Whitel 0mm XT4 24FK KM Al ka KM2 M M l Ng 5 E UU 15 a2 433 AL ID 12 13 AZ 433 1 Electronic 2 Electronic a S ES XT2 A RD PN O Siba expansion valve expansion valve amp XT2 G Shielding layer CMC 22 1 e CMC 22 1 L LN SS 3 O of TS ffe E T ri m 1 ES Nu uw JB HWiHHHHSSHHSIHNH H ee DIR DIE 7 qQ era TRANS INgy sy an om SVS 4 WAY HEATERI HEATER HEATER3 COMP1 COMP2 AC RELA
61. Hz and operating for 5 min after 5 min of operation according to the capacity requirements the compressor is operating with electric control designated frequency After inverter compressor starting the fixed frequency compressor start operating in order by the size of capacity requirements 2 2 2 Heating In heating mode inverter compressor is starting after outdoor unit received boot order the frequency is rise to 38Hz and operating for 5 min after 5 min of operation according to the capacity requirement the compressor is operating with electric control designated frequency After inverter compressor starting the fixed frequency compressor start operating in order by the size of capacity requirements 2 2 3 The priority control of compressor operation As for single module system the compressor carry out the operation is according to the pattern of 1 3 as show below SHP l0HP 12HP 14HP 16HP NO 1 N62 NO 1 Wi Wi inverter nm TM iss N TA T compressor compressor compressor 2 i As for the outdoor system of two parallel modules the compressor carry out the operation is according to the pattern of 1 5 as show below li Sum of indoor capacity requirements lt outdoor unit capacity then operate host only according to the capacity requirements ii Sum of indoor capacity requirements 2 outdoor host capacity then operate the host and slave units and share t
62. O I E 118 Troubleshooting 91 1 Faults display Number Faults Protection codes and Faults codes of Inverter compressor Inverter module goes wrong fault eui 2 PO1 The A C input of Inverter compressor is so large that the compressor breaks down B Poe The exhaust temperature of Inverter compressor is too high P02 HO The exhaust temperature sensor of Inverter compressor is wrong E02 The D C generatrix sampling voltage of outdoor unit is abnormal fault E03 Communication between outdoor main CMOS chip and Inverter driven CMOS chip goes wrong System Protection codes an d Faults codes P04 The high pressure exhaust pressure switch breaks P05 The low pressure suction pressure switch breaks Protection for the system exhaust pressure is too high P07 Protection for the system suction pressure is too low P08 At capacity reduced protection state for too low suction pressure At capacity reduced protection state for too high exhaust pressure 15 P10 At capacity reduced protection state for too high exhaust temperature P11 The exhaust pressure sensor goes wrong P12 E04 P13 P14 P15 P16 17 The suction pressure sensor goes wrong Lack of Freon or the reversing valve goes wrong 19 20 21 22 The condensing temperature is too high in cooling mode The condenser temperature sensor is wrong The outdoor ambient temperature sensor is wrong At protection state for too low voltage of A C
63. WM6A M Outdoor unit 3 Total number of connectable 30 34 indoor units Total Capacity Index of Indoor Units to be kW 28 0 61 6 30 5 67 1 34 0 74 8 Connected General Information kaa Total number of connectable indoor units Total Capacity Index of Indoor Units to be kW 36 5 80 3 39 0 85 8 42 5 93 5 Connected CMV V900WSAM CMV V960WSAM CMV V1010WSAM Capacity Outdoor unit 1 master modular CMV V450WN6A M CMV V400WN6A M CMV V450WN6A M Outdoor unit 2 CMV V450WN6A M CMV V280WM6A M CMV V280WM6A M Outdoor unit 3 MEE CE CMV V280WM6A M CMV V280WM6A M Total number of connectable imme os ee Total Capacity Index of Indoor Units to be kW 45 0 99 0 48 0 105 6 50 5 111 1 Connected CMV V1065WSAM CMV V1130WSAM CMV V1180WSAM Capacity Outdoor unit 1 master modular CMV V450WN6A M CMV V450WN6A M CMV V450WN6A M Outdoor unit 2 CMV V330WN6A M CMV V400WN6A M CMV V450WN6A M Outdoor unit 3 CMV V280WM6A M CMV V280WM6A M CMV V280WM6A M Total number of connectable l 50 50 50 indoor units Total Capacity Index of Indoor Units to be kW 53 0 116 6 56 5 124 3 59 0 129 8 Connected General Information 6 CMV V1235WSAM CMV V1300WSAM CMV V1350WSAM Capacity Outdoor unit 1 master modular CMV V450WN6A M CMV V450WN6A M CMV V450WN6A M Outdoor unit 2 CMV V450WN6A M CMV V450WN6A M CMV V450WN6A M Outdoor unit3 unit Outdoor unit3 CMV V330WN6A M CMV V400WN6A M CMV V450WN6A M Total number of conne
64. Y OU 44 32 4432 CN41 CN32 CN23 CN31 CN27 CN26 CN25 ONG CN37 CN40 ema cnay cvs AB 7 7 i CN13 1 Fixed frequency compressor 2 Fixed frequency compressor 2 6 7 10 11 12 1 mnnm BK ATIN J 1 Fixea frequency 1 Omm BK XT1 N J 2 Fixea frequency L E NN ea c 9 c cx compressor heating compressor heating E E um gdadeua Transfer to contactor contactor and coil of SSS wire cable walking along on the right BR hd Ke R hd hd l 2 XT1 L1 L2 L3 N A B G La La Lc meam ABG La La a N y TN P d e 4 Se C C m ATY N Pa N e S R H a E ECH E Et e UE 9 X TTE T AR S epo lae PER DU communication terminal Reactor Note 1 the connected line which from L1 of XT1 terminal connected to the Ll of the contactor KM1 must go through current transformer I F1A in the PC board of ODU 2 the connected line which from L1 of XT1 terminal connected to the Ll of the contactor KM2 must go through current transformer I F2A in the PC board of ODU 3 the connected line which from LU of filter HT535 connected to the three phase rectifier bridge DZ1 must go through current transformer I INV in the PC board of ODU 4 the connected line which from the N side of compressor frequency converting module to the negative of electrolytic capacitors C3 must go throngh current transformer 1022 which in the module driven board MODEL current direction must follow the mark from N to negative of C3 and the connected line cannot touch the communication terminal should be kept single
65. agram CNS HEAT lt S ha Aa E CECI A D ENCI GE ee IE A CN14 CN15 CNIA CNT 7 e 79 gt B T A iA A T 9 TA E CPU S elzlelzl el sl ny T a alr Tonmperature M Jv I E ug JS e e T1 CN17 T2 Heat on off T2B SND 100 SNVUL e Transformer 5 5 5 5 2 131 preoq 10311 v USTp PUR 9A19291 Middle sensor ON 01 129Uuo 4 Application unit Floor amp Ceiling Electrical wiring diagram Connect to CN6 CTB A L E A 2 EI p S LOC l pig WHI BK RD at ee me KIK elle TRANS OUT CN3 CN14 CNS CPU MEE JS e e NLMH ee we e e e eu 4 Capacitance Capacitance Indoor electrical wiring diagram O ENCI 20 6 ee CN15 IN CN10 SYN p 999999 PEE HHHH EI ELS is Jel CNIA CN16 A S A Dis lA Liz CN TL A ad T S H t IND D lett ludas PT sensor TRANS_IN CM mgl ga out tet L PT3 sensor l lc Power and Communication Terminal Blocks e LINS A B G Y G P BK RD QI NIL POWER Communication Interface 132
66. an that the amount of outdoor modules is separately one two and three The dialing code of main machine is the same as the dialing code of secondary machines 11 stands for wrong dialing way and the default value before delivery is 00 NOTE a Please set module amount for each outdoor unit in the system Otherwise the system will go wrong b The amount set of modules is just the amount of actual modules Otherwise the system will go wrong C Please dial correct codes of outdoor module amount and outdoor address Otherwise the system will go wrong Test Operation 80 3 2 3 The connection of RS 485 Terminal Resistance The terminal resistance is used for getting rid of the signal reflection which will happen when the impedance is not continuous or not matched during communicating At the end of the cable Install a terminal resistance with the same characteristic impedance as the cable to keep the impedance continuous Since the signal is intercommunicated it needs to install another terminal resistance with the same spec at the other end of the cable that is install one matched resistance at each end of the communication network As for Super DC Inverter Module Unit of our company there are two communication networks a he communication between all indoor units and outdoor main machines b The communication among outdoor units During the project installation it is nard to identify which is the origination or the terminal so
67. ard if itis poor replace it Troubleshooting 118 2 Room temperature sensor fault the troubleshooting is referred to the flow below Room temperature sensor fault Y ee Check whether si No Connect them well the ne is right or connectors are sadi connected well ge according to needs es Check whether the No Replace the sensor TUE sensor is all rig ht pr ai and then check again Yes Check or replace the indoor mainboard 3 Midpoint temperature sensor fault of the pipe the troubleshooting is referred to the flow below Midpoint temperature sensor fault of the pipe Z a an aim Check whether Bes No Connect them well lt i wring is right or connectors ar according to needs _con nected well A Testen ai Ka Leet wn s ER ee da heck whether the ee o No Replace the sensor nn m sensor is all right NT eg and then check again Yes Check or replace the indoor mainboard Troubleshooting 119 4 Outdoor unit fault Troubleshooting When the indoor unit clue that the outdoor unit goes wrong it will stop the outdoor unit running and then inspect and maintain it according to the hint of the outdoor electric control 5 Frosting protection of the indoor evaporator Causes When the indoor electric control inspects that the temperature in the middle of the evaporator keeps lower than 2 for 3 minutes it will clue that the evaporator begins to frost for protection and
68. ass kg 2904290 high pressure switch fan high pressure switch fan drive overload protector drive overload protector Safety Devices Over current relay Over current relay Inverter overload Inverter overload protector protector Automatic intelligent Automatic intelligent defrosting defrosting Capacity Control 15 110 15 110 Refrigerant Name R 410A R 410A Defrost Method Refrigerant Electronic Expansion Electronic Expansion Control Valve Valve Refrigerator sid FVC68D FVC68D Standard Accessories manual EN Specification 15 CMV V560WSAM CMV V280WSAM CMV V2 80WSAM CMV V615WSAM CMV V280WSAM CMV V33 SWSAM Model Name Combination Unit Model Name Independent Unit 1 Cooling Capacity 2 Heating Capacity O C1 Co O ep sch O1 Casing Color camel gray camel gray 1665x930x765 1665x930 1665x930x765 1645x134 Dimensions HxWxD mm x765 0x765 Heat Exchanger Hydrophilic Aluminum Hydrophilic Aluminum Scroll Compressor Scroll Compressor cm3 r Piston Displacement 38 49 x 38 49 38 59 lt CH D x2 ev Number of rpm 30 78 x2 30 78 x2 Comp Revolution Motor Input x 3 88 4 27 x1 kW 3 88 4 27 x2 Number of Units 3 88 5 13 x1 Starting Method MEE Soft start up Soft start up Type Axial flow fan Axial flow fan Motor Output 0 550x2 0 550x1 0 400x2 an Air Flow Rate 110002 11000x1 14000x1 Drive Variable frequency drive Variable freq
69. aust temperature sensor Fixed frequency Compressor 1 exhaust temperature sensor Circumstance temperature sensor Condenser temperature sensor Refrigerant circuit es ple diagram 8HP 10HP 12HP system Variable frequency compressor runs through a variety of frequency converter input speed a fixed frequency compressor only work under the constant rotary speed Oil and gas separation to ensure compressor oil return sufficient and Store excess refrigerant in the system adjust the amount of refrigeration For gas liquid separation to ensure that the compressor normally work to prevent the compressor liquid impact When system is refrigerating and heating for controlling the refrigerant flow direction To provide one way refrigerant flow path while preventing reverse flow of To prevent the compressor discharge pressure is too high damage to Low pressure protection of the compressor action pressure is 0 08MPa Used to real time detect system work pressure adjust fan speed control Used to real time detect system work pressure adjust fan speed control Outdoor unit has two identical parallel electronic expansion valve in the system of cooling and heating adjust refrigerant cycling quantity Magnetic valve module is used to stop module refrigerant Liquid by pass magnetic valve is used to prevent compressor exhaust temperature is too high Used to protect variable frequency compressor Return oil magnetic va
70. ave rd e according 4 WAY Four way valve FIA I FIB S e g teen Bet Factory default for 00 d T 8 ou Module quantity rm Sg E justus ge s one Il SCC DI Three phase bridge rectifiers selection ideen aaa KN E the scene according the actual E Gg 00 A25 B 40 en as the coefficients XT1 4 Terminal Di Single phase Bridge Rectifier SWA EE E A 3 B 30 A for the difference gege c selection 4 i KE et Others are the B is the defrost cycle m l 3 s E AC Capacitor Short circuit i ER Host is set to short circuit Module communication port a terminal resistance _ AC contactor f Padre an terminal resistor choice Disconnect 10 Slaves is set to off MI U1 L Electrolytic capac tor outdoor e drive SE termi nation resistor mu fre nae T SW for tally key press used for various NL Tem a 8 e ermistor ectronic expansion valve j d points of view unit parameters E EE SW for compul refrigeration button Pi M TIG ene sensor Gd pn en NE NEUE a PW E Please do not clicked in the normal operation vite HK Fan overheating ae nn tomo a ER d be S AE YT XT 3 115117 Single phase E SCH ik S KMI KM2 filter ew HOO 0 O60 C t a 9 E XT TE X14 Note unit power set to LE including 14HP above Module communication port Alllalliallio EREN REBT the dashed part is valid DU communication MN LA e e L ABG La La aeaee reen reen pna OENE r LP re must connect to the host cannot
71. cal standards related to the electrical equipment the internal wiring regulations and the instruction manual for installation when conducting electrical work Insufficient power circuit capacity and improper electrical work can cause an electrical shock or fire Be sure to use the specified cable to connect between the indoor and outdoor units Make the connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals Improper connections can cause excessive heat generation or fire When connecting the cable between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the terminal connection section can cause an electrical shock excessive heat generation or fire Do not damage or modify the power cable Damaged or modified power cable can cause an electrical shock or fire Placing heavy items on the power cable and heating or pulling the power cable can damage the cable Do not mix air or gas other than the specified refrigerant R 410A in the refrigerant system If air enters the refrigerating system an excessively high pressure results causing equipment damage and injury If the refrigerant gas leaks be sure to locate the leak and repair it before charging the refrigerant After charging refrigerant make sure that there is no refrigerant leak If the leak cannot be loca
72. ctable mm Ne oe 9 Total Capacity Index of Indoor Units to be kW 61 5 7135 3 65 0 143 0 67 5 148 5 Connected Connectable Indoor Unit Capacity code Ceiling cassette Middle ESP duct Floor ceiling Wall mounted M High ESP g m duct General Information 7 Indoor Unit Capacity ee fs Ps fe ee 15 0 17 0 0 0 25 0 6 7 8 10 1 1 5 3 112 140 2 4 5 5 5 9 W E HD 5 w ee HP 5 Use the above tables to determine the capacities of indoor units to be connected Make sure the total capacity of indoor units connected to each outdoor unit is within the specified value kW B The total capacity of connected indoor units must be within a range of 50 to 120 of the rated capacity of the outdoor unit B In some models it is not possible to connect the maximum number of connectable indoor units Select models so the total capacity of connected indoor units conforms to the specification General Information 8 Part 2 Specification e OC CIC AMOH eege 10 Dole KING OOT MEST cordia Rit e a Na buc GE Aa enden 10 12 INGOGOF WANS sekaa a aa ga ak a Aa Da Sa NG E pa a a ag BA Aa E aa a aa ea GK 24 Specification 1 Specifications 1 1 Outdoor Units Model Name CMV V252WSA CMV V280WSA 1 Cooling Capacity 25 2 28 0 3 2 Heating Capacity 27 4 31 5 i Casing Color camel gray camel gray Dimensions HxWxD 1665x930x 765 1665x930x765 Heat Exchanger Hydrophilic Aluminum Hydrophilic A
73. d frequency Fixed frequency 1 2 compressor conpressar2 inverter compressor Fixed frequency Fixed frequency compressor compressor 2 2 2 4 Inverter compressor control The operating frequency of inverter compressor is calculated by a certain formula which according to the number of unit and the HP then send the capacity to outdoor host and modules share it equally by weighted as for specific data can be checked out in parameters see the appendix two outdoor unit of spot checking sequence list 2 3 Outdoor electronic expansion valves control Two 12VDC and 4 poles of electronic expansion valves are in the control of outdoor controller the biggest opening is 480P the smallest opening is OP A Cooling mode Before the system starting both outdoor electronic expansion valves of opening are 350P after the inverter compressor starting both electronic expansion valve of opening are 480P After modules shutdown the module electronic expansion valves of opening is closed to OP When the system is shutdown all outdoor electronic expansion valves of opening are 350P Function 73 B Heating Before the system starting both outdoor electronic expansion valve of opening are 350P After the compressor operating check each compressor of exhaust temperature and according to the compressor exhaust temperature to regulate with a certain calculation method After shutdown the modular electronic expans
74. d protector Safety Devices Over current relay Over current relay Inverter overload Inverter overload protector protector Automatic intelligent Automatic intelligent Defrost Method defrosting 15 110 defrosting Capacity Control 15 110 Refrigerant Name R 410A R 410A h Refrigerant GE Electronic Expansion Electronic Expansion Control Valve FVC68D Valve Refrigerator FVC68D Oil Charge Volume Standard Accessories manual manual Specification 14 Model Name Combination Unit it Model Name Independent Unit m CMV V450WSAM CMV V532WSAM CMV V252WSAM CMV CMV V450WSAM V280WSAM 58 9 camel gray camel gray 1665x930x765 4 1665x m 1645x1340x765 930x765 Heat Exchanger Hydrophilic Aluminum Hydrophilic Aluminum Scroll Compressor Scroll Compressor Piston Displacement cm3 rev 38459459 38 49 x2 Number of 30 78 30 62 30 78 1 Cooling Capacity 2 Heating Capacity Casing Color Dimensions HxWxD r Comp Revolution pm kW Motor Input x 3 88 5 13 5 13 x1 3 88 4 27 x2 Number of Units Starting Method P Soft start up Soft start up Motor Output 0 400x2 0 550x2 an Air Flow Rate 160001 11000x2 Drive Variable frequency drive Variable frequency drive wee p19 1 Brazing Liquid Pipe 3 mm p15 88 Connection Connecting p34 9 Brazing Pipes Gas Pipe 3 mm p28 6 Connection Oil Equalizing Pipe mm p6 35 p6 35 Machine Weight M
75. e for 3 min Oil return in cooling mode operation of indoor unit all indoor electronic expansion valve of largest opening is 480 indoor fan speed keep the original values unchanged Operation of outdoor unit all outdoor module electronic expansion valve of largest opening is 480P and stating fixed frequency compressor to return oil see the diagram as below oil return control h ling Heating start up Heating start up OFF High temperature and pressure gas EN J Filter Filter J Filter High temperature and pressure liquid a L P4 4 KN K T N LL asi n Kg 5 fe Senger de x Hectronic rp 2 lowtempand pressure uf S PA if E ff a fa Z HR d SS LY wars Tor owe cum d qe Ux rur COR AH Filter k do T X uh Filte LX T XJ Falter lt N E S KR inner fai 4 g inner fan g 8 7 inn do not operate UR ant ooo i OFF anti cold air E E q l gt
76. ectrolytic capacitors C3 must go throngh current transformer 1C22 which in the module driven board MODEL current direction must follow the mark from N to negative of C3 and the connected line cannot touch the communication terminal should be kept single separated far away from the other lines 4 Filter HT325 should be installed in the HT535 9 Two holes in the ODU PC board must have plastic pillars support but does not need to screw fastening all communication lines cannot be bound with the strong current lines 6 Output lines SV1 SV2 SV4 SV5 4 WAY HEATERI should be respectively cover on marks 1 2 3 4 5 6 and the N lines doesnot need 7 Output lines U V W of frequency conversion compressor go throngh magnetic ring which away 200mm from the compressor terminal and reverse loop around and fixed Refrigerant circuit 62 F 12HP Electric appliances wiring diagram of Single type
77. ectronic 2 Electronic Q g ES XT2 A RD H H A expansion valve expansion valve me XT2 G Shielding layer GMC 22 Me Ze GMC 22 VR d TRANS IN c t b eoe 3 o NN A EI L3 L3 T 3 I 13 oo W Jof eg on wel HU 3 H B JU H HH M M L5 ee KMI7 KMI 7 zal 9 SVI ai m au SVS 4 WAY HEATERIHEATER2HEATER3 COMP1 COMP2 AC RELAY 4432 4432 CN l CN32 CM23 CN31 CN27 C26 CN25 CNS CN37 CMO cN3 Nad oan OI 7 7 CN13 l Fixed frequency compressor 2 Fixed frequency compressor ui E 1 2 4 3 U 7 10 11 12 1 gen BK ATIN 1 rixed frequency Il gen BK ATIN 2 rixed frequency 2 E E E 3 amp 2b CH cl ed ed ei ca compressor heating compressor heating uu m EN Di Ze S e Transfer to contactor contactor and coil of 2 E SSS wire cable walking along on the right 3 3 e dd adad e e TN ZIN Pa N ZIN GT C Tse NI OTN ZN IA HN CN VI NY ID cia cia ma 5P L L 3 O O L i i Q O O NA NGGI RA V NGA KEAKRLAKLY NLANKLANLZ E NEARLY Mee ke es KEN A B C A BG La La EC EN ER M D H m C O iki 9 GR lE O Nay NS WA NA NG RA Ns E Neul Ne La T A 2 NE JL RE DU communication terminal Module communication terminal Reactor Main Power terminal Note 1 the connected line which from L1 of ATI terminal connected to the L1 of the contactor KM1 must go through current transformer I FIA in the PC board of ODU 2 the connected line which from L1 of ATI terminal connected to the L1 of the contactor KM2 must go through current transformer I F2A
78. election Ge Se B is the defrost cycle KHI 3 heating bend AC Capacitor same as 00 T3 and B meet to enter defrosting Short circuit MC 8 AC con r l J5 Module communication port a terminal resistance ost is set to short dr AMI l P Eun U L Electrolytic capacitor terminal resistor choice E Slaves is set to off TRANS1 Transformer reactor SW for tal y key p used for various PTC1 2 ee EXV1 2 Electronic expansion valve Hi gh press Fan driver wei points of view unit parameters PH e PT1 5 Temperature sensor Low pressure A OW for compulsory refrigeration button PL H Fan overheating S a Please do not clicked in the normal operation Single phase B HT325 N HTS 35 Three phase filter E CPU de ez m XT3 e NDA DSH noon Dy 9 Note unit Hut T HP i d P above FEL Ril ue C Dr edt vi T cami ili Module communication port elllelelllsl r Wr r w i connect te host cannot be connected EE Ee ABG ABC La La FK RK NNM a Al CIT prp IT IDU communication Module communication reactor Condensing fan Condensing fan SES E T me Main power DRE Main power IDU communication Module communication overheating Refrigerant circuit 56 12HP 14HP 16HP System diagram
79. en the system displays P13 please carry on maintaining by following the flow below P13 The condensing temperature is too high in cooling mode Y pum E pam re Check whether Me the sensor works well Yes 7 Checkwhetherthe No Maintain the condensing condensing system is normal system and then check again Yes 1 Check whether the NO Improve the heat sink or refrigerating system is normal do other disposal Yes Troubleshooting 113 18 P16 At protection state for too low or too high AC voltage input Causes When the external AC voltage input is lower than 190V or higher than 270V the normal voltage is 220V the system will clue to entering the protection state for too low or too high AC voltage input Troubleshooting Please carry on maintaining by following the flow below P16 At protection state for too low or too high AC voltage input we be BW ei s A Check whether EIL No the power voltage is in the stated gt eee LAN A DON kaa aa NM rang ai Kea um o Mu e a m E M we m Yes ee 1 Check whether No the phase sequence of input power Connect the wires again wire is right or firm in right phase sequence we ar m T W Ka ba aa Yes mg reen we m Kaa a we us be sec Check whether Ves Connect them again and connectors on the main board are t
80. er of personal injury A reference guides the reader to other places in this binder or in this manual where he she will find additional information on a specific topic Thank you for your continued patronage of Chigo products We are confident that customers will be able to find the models that best suit their needs This service manual contains information regarding the servicing of VRV series Heat Pump S Table of Contents VII Part 1 General Information 1 Model Names of Indoor Outdoor Units sese eee eee eee 2 2 Extemal ele ue 3 2a NACO E EE 3 20 ON door ai E 3 a ers 7 nee EE 5 General Information 1 1 Model Names of Indoor Outdoor Units Indoor unit Power T a 220V 1Ph 50Hz M Type Capacity code Kl Kl Outdoor unit Power supply 380V 3Ph 50Hz system Model type Model A Single unit type TN so o o General Information 2 2 External Appearance 2 1 Indoor Units Compact type Ceiling cassette CMV 22Q CMV 28Q CMV 36Q CMV 45Q CMV 56Q CMV 22F1 CMV 32F 1 CMV 45F 1 CMV 71F 1 CMV 90F 1 CMV 112F 1 CMV 140F 1 CMV 45LD CMV 56LD CMV 71LD CMV 80LD CMV 112LD Low ESP duct Ceiling cassette CMV 71Q CMV 80Q CMV 100Q CMV 112Q CMV 125Q CMV 140Q CMV 70F2 CMV 80F2 CMV 90F2 CMV 100F2 CMV 120F2 CMV 150F2 2 A a j Jee pa CMV 70F3 CMV 80F3 ES CMV 28F 1 CMV 36F 1 CMV 56F1 CMV 80F 1 CMV 10
81. ering to the protection from the exhaust temperature too high and the system electric control will display the corresponding protection code Troubleshooting When the compressor enters to the protection from the exhaust temperature too high please carry on maintaining following the flow below P02 The exhaust temperature of Inverter compressor is too high P19 The exhaust temperature of 1 Fixed frequency compressor is too high P22 The exhaust temperature of 2 Fixed frequency compressor is too high Y P td M Check whether the following valves work well Electronie _ _ expansion valve module electromagnetic valen No Check the wrong electro didi liquid pass by electromagnetic valve gas pass by We electromagnetic valve and returnoil magnetic valve electromagnetic valve Yes Check whether the No Condensing EE is s good 7 Wie Check the cooling system Yes m Check whether the _ No oen exhaust temperature sensor De Replace the sensor 4d elas ga Yes Check the refrigerating system Troubleshooting 109 13 P03 The exhaust temperature sensor of Inverter compressor goes wrong P14 The condensing temperature sensor goes wrong P15 The sensor of outdoor ambient temperature goes wrong P20 The exhaust temperature of 1 Fixed frequency compressor goes wrong P23 The exhaust temperature of 2 Fixed frequency compressor goes wrong Causes When the temperature
82. est it again NO Check other parts and external electromagnetic environment Troubleshooting 100 4 E04 Lack of refrigerant Causes When the high pressure pressure is less than 0 35MPa for the system at off state or the system trips four times within 45 minutes for low pressure the system electric control will display E04 Troubleshooting Please carry on maintaining following the flow below E04 Lack of refrigerant n Check daher S the pressure value of the wa system high pressure sensor is in line with the reading of the pressure gauge raa ew ge saih Ee st Tm Check whether the pressure of refngerating system fg ee is normal M a n M Lu en mm Ex Konan oan mr mm Yes Check the mainboard if it is in poor state replace it Troubleshooting No Connect the sensor again or replace it and then check and compare them again Check the system and have the gas leakage test recharge or charge more the refrigerant 101 5 E05 Three phase AC power is lack of phase or the sequence is wrong Causes When three phase AC power is lack of phase or the sequence is wrong the system electric control will display E05 Troubleshooting Please carry on maintaining following the flow below E05 Three phase AC power is lack of phase or the sequence is wrong a Ta a we Check whether __ No the phase sequence of input powe
83. frequency conversion compressor go throngh magnetic ring which away 200mm from the compressor terminal and reverse loop around and fixed Refrigerant circuit 59 C 12HP Electrical wiring diagram of modular unit control
84. g Please carry on maintaining following the flow below E08 Communication fault between outdoor units and indoor units x 2 7 Check whethet Replace them for the the communication wires of indo r m stated ones and then and outdoor units are the stated 7 check again sheilded wires with two A E LH der a Yes Check whether _ _ the communication wires of indoor Connect them well and and outdoor units are connected then check once more wel Y es __ The ck whethe Do the communication ports on the Connect them well and outdoor mainboard are loose HEERE NE an E ef t m i ome ge am No Ee 4 e 7 Check whether the main electric control board of s and en check once outdoor units is all right 7 RH Replace the main board Check the relative parts on the indoor main board Troubleshooting 104 8 E09 Module capacity dialing goes wrong Causes When module capacity dialing goes wrong and the system electric control will display E09 Besides the capacity dialing has been set before delivery and it cannot be modified at will otherwise it will cause a bad incident Troubleshooting When E09 is indicated on the outdoor electric control board please consult with the salesmen or the technical department of our company and then carry on maintaining followin
85. g Connect to XT1 L1 1 5mm RD TA CN3 gv eH d TU Connect to ATI 1 5mm BK f CN3 FO Connect to left fan Connect to right fan 3 See B LM BT NTL N JE I CONTORL CN13 SES e MFI jececece MF RL SS T N DU D MODE LAN NN E l ep EF e E JS dS GI JS D2 TRANSI e e TRANS2 le Se j WEA E 3 2 5mm RD OR BL ONE CPU IN o XI L1 L2 L3 1 Fan PC board a CNI S tion CONTORL CN41 CONTORL CN8 S P FAN BOARD p i3 S s 5 Kc S 8 5 E lt S o lt gt 5 a 5 o oO 5 S a ad 8 ese 56 2 3 a ES 8 lt om d ki gt Su ES S amp Si m 2 lt rare rea gt lt paga 5 S e I FIA I FIB 9 EE ME RE fee BER e Se ro i af Condens wie d t CNIO WY N30 CN29 CN28 CN CNG u aa OE F2 Fl T TS T6 MODLE RS485 Dsp Comm Fan Comm LP Check HP Check R Outdoor environment temperature 3 2 Smm RD OR BL ATI 20 I INV 000 2 gt cn HDD TAN Pc High pressure switch Und Oar fi I Umm BL XT1 L3 pz SW6 SWS CONTORL CPU 7 eli Low pressure switch 1 0mm B 1 Omm4OR ATI L2 gt e s 2 i 3 JIN 9 Zr Whitel 0mm XT4 1 FK 1 Omm RD XTI Ll a S Ee Whitel 0mm XT4 2 EK mu mu Z 1 Omm BK ATIN o e Vus q g 9 E a z AL LI L7 13 A2 14531 d 2iElectronic e E ES XT2 RD NC expansion valve expansion valve XT2 G Shielding layer om m Y TRANS_IN S E PT i f j lt SES Ki us Se B BHBHBOHSWHSNSHHHHHIHE NE Nm vu AR ING sv aus an SVS 4 VAY HEATERI HEATER2 HEATER3COMPI COMP2
86. g the flow after affirming the fault E09 Module capacity dialing goes wrong _ Check whether the outdoor capacity dialing is e right or is in line with the actual we i Dial it again according the actual need capacity of outdoor units Mu na vi Check the mainboard if it is in poor state replace it Troubleshooting 105 9 E10 Module amount dialing goes wrong E11 Module amount is reduced E12 Module amount is increased Causes The main machine of DC Inverter Module Unit can automatically inspect the actual amount of operating outdoor units and the amount set of outdoor units so that when the former is not in line with the latter the system electric control will display the corresponding fault codes Troubleshooting When E10 E11 or E12 is indicated on the outdoor electric control board please carry on maintaining following the flow below ae W 7 Check whether P e the outdoor amount dialing is Mo inline with the actual amount of 7 actual need liac DM outdoor units aa e a Wa Dag E x A Ll ang i Yes Dial it again according the anan m pr nd Check whether No the power of other outdoor units Connect them well and is in good condition then check once more ai er pi pam an ml an i Yes Check whether No lt the communication among outdoor Co
87. ghten when the air conditioner enters to the timing state 4 Protection lamp Red it will lighten when the air conditioner enters to the protection state 5 Emergency button It will display the power of indoor unit in horsepower As for DC Inverter VRF system if the system goes wrong or enters to the protection state during operating indicating lamps on the lamp board of indoor units flash in special order and the table below will list flashing ways and their meanings Table 2 Indicating codes table of the indoor lamp board Troubleshooting 95 Light emitting diode It just displays at starting up and the run lamp flashes Anti cold air cue rlash twice It just displays at starting up and the run lamp flashes OMAP TONY cue Flash three times It just displays at shutting down and the run lamp flashes Outdoor units with fault cue Flash four times Itis kept displaying and the run lamp flashes codes Communication fault among the indoor Flash once Itjust displays at shutting down the protection lampe is kept unit and outdor units lightening and the run lamp flashes It just displays at shutting down the protection lampe is kept Room temperature sensor fault Flash twice lightening and the run lamp flashes The temperature sensor fault at It just displays at shutting down the protection lampe is kept the middle point of the pipe T2 Flash three times lighteningand the run lamp flashes i Itjust displays at shutting down the
88. he indoor total capacity requirements equally among outdoor unit and slave unit by weighted Function 70 Function hones ZIP ZAP 24HP NO 1 NO 2 inverter compressor Fixed frequency compressor A NO 3 NO 4 p N E N N pA NG i inverter compressor Fixed frequency compressor 26HP NO 1 NO 2 NO 3 N inverter compressor Fixed frequency Fixed frequency compressor 1 compressor 2 NO 4 NO gt NC inverter compressor Fixed frequency compressor 2 28HP 30HP 32HP N01 N02 M3 inverter compressor Fixed frequency Fixed frequency inverter compressor Fixed frequency Fixed frequency compressor compressar2 71 As for the outdoor system of three parallel modules the compressor carry out the operation is according to the pattern of 1 9 as show below i Sum of indoor capacity requirements lt outdoor host capacity then according to capacity requirements operate the host only ii Sum of indoor capacity requirements 2 sum of all outdoor modules capacity then according to the capacity requirements start all outdoor modules iii Outdoor host capacity sum of total indoor capacity requirements lt outdoor host capacity capacity of slave unit of less runtime then share the total indoor capacity requirements equally among outdoor
89. hed in order among cooling dehumidifying ventilating and heating SWING button Press the button once the grille will begin to swing or stop swinging Once the button is pressed the state of the grille must be changed MIN setting button Set what minutes it is at the present Aim the remote controller at the air condition and press the button the signal will be sent to the air conditioner If the air conditioner receives the signal it will make a sound of di Test Operation 84 Set theremote controller 1 Operation method under cooling heating ventilating dehumidifying mode 1 Aim the remote controller at the air conditioner press MODE key make WV pointed to the mode you want cooling heating ventilating dehumidifying Press TEMPA or V key to set the temperature you want the temperature range 17 C 31 C In cooling heating mode the difference is 5 C between the temperature set and environment temperature which is good for your health 3 Press WIND SPEED key to select the speed you want 2 Wind direction adjustment FAN SPEED D Up down adjustment Press wind direction to adjust up or downwind direction T 2 LEFT RIGHT adjustment Move left right wind direction regulating vane to adjust the wind direction manually Applicable for wall mounted NOTE 1 Please adjust left right direction in the standby state 2 Keep your body from directly blowing for a long time 3 Not
90. hen check them ir m loose s Check the mainboard If itis in poor state replace it Troubleshooting 114 P17 Communication fault among outdoor units Causes When the communication wires among outdoor units are connected wrong or some wires are not connected well it will lead the communication among them go wrong and the system electric control will display P17 to clue to users Troubleshooting Please carry on maintaining following the flow below P1 Communication fault among outdoor units Y ms mm Be Check whether _ No Replace them for the a _ the communication wires among stated ones and then check again PEL outdoor units are the stated Wu sheilded wires with two 7 cores aa P Yes aem reen Check whether _ the communication wires among No Connect them well and outdoor units are connected _ then check once more wel Yes gam T n m 7 Check whether the communication ports on the Yes Connect them well and L outdoor mainboard are loose m a then check once more um Check the related parts on the outdoor main board if it is poor replace it Troubleshooting 115 19 P18 The current input of 1 Fixed frequency compressor is so large that the compressor breaks down P21 The current input of Z2 Fixed frequency compressor is so large that the compressor breaks down Ca
91. hod Soft start up Soft start up Type Axial flow fan Axial flow fan Motor Output kW 0 550x1 0 400x2 0 550x1 0 400x2 Fan Air Flow Rate m3 h 11000x1 16000x1 11000x1 16000x1 Drive Variable frequency drive Variable frequency drive Liquid Pipe 3 mm p19 1 Brazing Connection p22 2 Brazing Connection Connecting Gas Pipe 3 mm p34 9 Brazing Connection p38 1 Brazing Connection Pipes Oil Equalizing Pipe m 6 35 6 35 lt Machine Weight Mass 2904420 2904420 x high pressure switch fan drive high pressure switch fan drive Safety Devices overload protector Over current overload protector Over current relay Inverter overload protector relay Inverter overload protector Automatic intelligent Automatic intelligent Defrost Method defrosting Capacity Control 15 110 Refrigerant Name NE R 410A Control Electronic Expansion Valve defrosting 15 110 R 410A 12 5418 2 Electronic Expansion Valve FVC68D FVC68D Refrigerator Specification 17 Model Name Combination Unit Model Name Independent Unit 1 Cooling Capacity 1645x1340x765 1645x13 1645x1340x765 1645x13 Dimensions HxWxD mm 40x765 40x765 Heat Exchanger Hydrophilic Aluminum Hydrophilic Aluminum Scroll Compressor Scroll Compressor cm3 r Piston Displacement 38 59 38 59 59 38 49 49 38 59 59 ev Number of Comp rom 30 78 x2 30 78 x2 Revolution Motor Input x G 3 88 45 13 x1 3 884 4 2744 27
92. iable compr esso terminal for r contac communicati tor ng with indoor Reactor P r EE outdoor terminal iur uud terminal S etc terminal for communicati ng with outdoor Refrigerant circuit 53 Note The outdoor electric control system of 12HP 14HP 16HP are same with 8HP 10HP only the fan driven system is different as show below Note 12Hp only with one frequency compressor contactor 14HP 16HP with two From left to right the contactor of frequency compressor F1 and F2 is putted in proper order m ed amp K ke J OI jn Filter only one pol l v ce T lt a P d Yi H NS U U Fo wm fer H LS d i Fan driver Fan capacitance invariable compressor contactor Reactor terminals Refrigerant circuit 54 2 2 Electric appliances diagram 8HP 10HP System diagram Note Before maintenance comfirm that the power XT1 than 10 minutes and C2 and C3 have discharge over PTC PIC RD RD is blackouts more DZI
93. ication terminal should be kept single separated far away from the other lines 4 Two holes in the ODU PC board must have plastic pillars support but does not need to screw fastening all communication lines cannot be bound with the strong current lines 5 Output lines SV1 8V2 SV4 SV5 4 WAY HEATERI should be respectively cover on marks 1 2 3 4 5 6 and the N lines doesnot need 6 Output lines U V W of frequency conversion compressor go throngh magnetic ring which away 200mm from the compressor terminal and reverse loop around and fixed Refrigerant circuit 63 G 14HP 16HP Electric appliances wiring diagram of Single type
94. ifugal rotor Centrifugal rotor Centrifugal rotor Motor Output 170x1 170x1 170x1 Fan Air Flow Rate H L on 1000 1000 1000 External Static Pressure l Dive oo 3 fan Sfanspeed 3 fan Sfanspeed 3 fan Sfanspeed Temperature Control B 16 30 16 30 16 30 Liquid Pipes p9 52 p9 52 p9 52 Piping Connections We osesou ot season Gaor o Camel Grey Camel Grey Camel Grey Dimensions mm 950x950x50 950x950x50 950x950x50 HxWxD Decoration Packing Panels Dimensions 1030x1030x105 1030x1030x105 1030x1030x105 HxWxD Mme ome posee poe we wp o 15 3 mvwa wem seme Gam snr 1 senge Leen emee Specification 231 1 2 3 Floor Ceiling ee Dimensions WxDxH mm 880x208x635 Rows x Stages x Coil Cross FPI 3x10x1 8mm 3x10x1 8mm 2x10x1 6mm Fin Coil Face Area m2 0 1525 0 1525 0 24875 YSK110 45LD 4P YSK110 65LD 4P YSK110 65LD 4P 3H90 Packing Dimensions WxDxH mm Model 3H85 3H85 YSK110 22LD 4P 3H90L Centrifugal rotor Centrifugal rotor Centrifugal rotor Air Flow Rate H L cfm 465 465 647 Machine Weight Mass kg Type Fan Motor Output External Static Pressure 4 Drive Temperature Control Liquid Pipes Piping Gas Pipes Connections Drain Pipe CO CO u A CO NW sch sch 5 Sound Level H L dB A Refrigerant Control EXV Model Standard Accessories EXV EXV EXV SP D030 SP D030 SP DO031 Wired controller Wired cont
95. igh pressure sensor Outdoor environment High pressure tem perature sensor switch Inverter ge 2 x com pressor id 7 Filter TA Filter Ne P 4 LI High re Oil gas gt re E separator D x High pressure au Outdoor condens le j Filter Frequency ball valve temperature sensor compressor 1 low pressure switch Outdoor N 2 condenser indi N WA Filter Four K r Low pressure sensor way J 4 Low pressure ball valve m E ni Filter B m m ye NG low p SS pressure Air balance valve tank Oil balance stop valve Ki S Refrigerant circuit 50 Heating oil returned operation Heating ON OFF state S N x Filter Filter Filter Electronic SA A Electronic Electronic l expansion valve d expansion valve expansion valw s y Normal 7 Pa Normal adjustment y Often ope
96. ing High pressure protection Low High pressure protection pressure protection exhaust low pressure protection exhausted temperature control over current temperature control and protection etc over current protection etc Outdoor fan According to the pressure to control According to the pressure to control FF Outdoor electronic 480P Regulating according to the expansion valves compressor exhaust temperature Modular electromagnetic ON ON valve Liquid bypass electromagnetic The exhaust temperature control The exhaust temperature control valve Compressor Inverter compressor of unloading solenoid valves oil balance electromagnetic valve Oil return electromagnetic valve Operation of indoor unit action Normal cooling Normal heating Operate according to the Operate accordin to the Starting indoor unit i j P Fan specified wind speed specified wind speed The indoor unit not Not start Not start yet been started TE Indoor unit been Regulate according to the Regulate according to the started evaporator temperatures evaporator temperatures The indoor unit not valve OFF Open the normally open step yet been started Function 69 Start by taking turns between Start by taking turns between modules modules 2 2 Compressor Control 2 2 1 Cooling In cooling mode inverter compressor is starting after outdoor unit received boot order the frequency is rise to 38
97. ion valves of opening is closed to zero When the system is shutdown all outdoor electronic expansion valve of opening is 350P 2 4 Outdoor condensate fan control CMV V DC inverter module multi unit of outdoor condensate fan using inverter fan the highest fan speed control can be achieved to seven gear precisely control the system heat exchange so that the system can be operated best in any different conditions CMV V DC inverter module multi unit control is operated by pressure According to system of suction pressure to regulate outdoor fan s speed thus to achieve the purpose of precisely control system pressure That make system running in the best working condition 2 5 Electronic Expansion Valve Control Two 12VDC and 4 poles of electronic expansion valves are in the control of outdoor controller the biggest opening is 480P the smallest opening is OP A Cooling mode Before the system starting both outdoor electronic expansion valves of opening are 350P after the inverter compressor starting both electronic expansion valve of opening are 480P After modules shutdown the module electronic expansion valves of opening is closed to OP When the system is shutdown all outdoor electronic expansion valves of opening are 350P B Heating Before the system starting both outdoor electronic expansion valve of opening are 350P After the compressor operating check each compressor of exhaust temperature and according to the compresso
98. its EXV of opening for 300P indoor fan is operating by high speed B In the forced cooling mode push the forced cooling button again the system exit compulsory cooling operation and shutdown according to the normal procedure C In the forced cooling conditions if there is no any operation then the system will automatically exit forced cooling after an hour and shutdown Function 79 Part 5 Test Operation 1e VST COS AE OM zeten eenen eeen edet heten ended 81 Ba Procedure and UNING aset bep Sunt a Ta ANAA Aan ga kaa addere up de tuns 81 2 Outdoor unit PC Board Layout EE 82 Ole id OLIE MEM Mm 84 3 1 Field Setting from Remote Controller ennen err ennen 84 3 2 Field Setting from Outdoor Un 88 Test Operation 80 1 Test Operation 1 1 Procedure and Outline The system test run CMV V DC inverter module multi line test run the basis having two modes of cooling and heating test run and must choose a combination of several typical test specifically a all terminal equipment must be up and running b the system s most distant end of the device a separate test run C the system minimum operating capacity of the terminal equipment alone d selected 2 3 center combination free commissioning Note The running time for each test less than 2 hours and fill out the commissioning record sheets such as by the combination of tests the indicators have reached HVAC Specifications GB50243 97 in the request to determine
99. ll stop to work in order to protect compressor from damaged which caused by high temperature 4 4 STD Compressor Overload Protection Each compressor has been set a over current protection value and carry out the detection to each compressor of running current once the running current exceeds the protection value then system will immediately close compressor to ensure that it is not burned The current protection values is related to compressor o 5 Other Control 5 1 Outdoor unit operating time control For maximum possible of using outdoor unit to extend the system service life The operating time control has been set to outdoor unit to ensure that the same operating time among each outdoor unit Indoor unit of operating control as follows The system will automatically record the total running time of each module whenever stating system the startup sequence will be put in chronological order namely preferentially start the module of less running time 5 2 Demand Operation Forced cooling control For convenience of maintenance debugging and refilling refrigerant etc operation the forced cooling button has been set to system Forced cooling function as follows A Outdoor unit has been set a forced cooling button if press the forced cooling button for 5S under the standby mode running state is invalid then the system will send the forced cooling signal to all indoor unit to force it operating by cooling mode all indoor un
100. luminum Type Scroll Compressor Scroll Compressor Piston Displacement cm3 rev 38449 38449 Number of Revolutions 30 62 30 78 Comp Motor Input x Number 3 88 4 27 x1 3 88 4 27 x1 of Units Starting Method soft start soft start Type Axial fan Axial fan Motor Output Fan Air Flow Rate Drive 0 550x1 0 550x1 m3 h 11000 11000 Variable frequency drive Variable frequency drive Connecting Liquid Pipe mm 12 7 012 7 Pipes Gas Pipe p22 p22 Machine Weight Mass 290 290 en UJ Co Co 3 Sound Level Reference Value high pressure switch fan high pressure switch fan drive overload protector drive overload protector Safety Devices Over current relay Over current relay Inverter overload Inverter overload protector protector 15 110 15 110 Capacity Control x x S x x Refrigerant Name R 410A R 410A Charge 12 5 12 5 Refrigerant Electronic Expansion Electronic Expansion Control Valve FVC68D Valve Refrigerator FVC68D Oil Charge Volume Standard Accessories Instruction Instruction Specification 10 Model Name CMV V335WSA CMV V400WSA d EN O x 3 x x O 3 1 Cooling Capacity W 3 5 KW oo N C1 A C1 2 Heating Capacity Casing Color camel gray camel gray Dimensions HxWxD 16451340765 1645x1340x765 3 Heat Exchanger Type Piston Displacement Number of Comp Revolutions Motor Input x Number of Units Starting Method Type Hyd
101. lve High pressure Sensor Low pressure High pressure switch ball valve Refrigerant circuit High pressure Liquid side Modular Low High tank solenoid solenoid pressure pressure valves valves sensor sensor M o N NI an EG jl M 4 Gas liquid Inverter High pressure separator switch compressor 46 12HP 14HP 16Hp system 12 HP system with two compressors Four way valve High pressure Sensor High pressure switch Return capillary Inverter compressor a Wl en r m KIT d m Ed invariable compressor F1 Return oil invariable il balancing Air balance solenoid compressor F2 valve Refrigerant circuit Oil balance solenoid High pressur e ball valve Low pressur e ball valve 1 3 Refrigerant flow chart of operation mode Take 8HP 10HP 12HP for example refrigerant flow under each working condition as show in diagram Compare 14HP 16HP system with 14HP 16HP more than a compressor but the refrigerant flow is same with 8HP 10HP 12HP Therefore no longer detail Cooling operation 8HP 10HP 12HP
102. lve is used to control the return oil path of module Average oil magnetic valve is used to balance compressor lubricants of every working module in the system Compressor exhaust temperature sensor is used for real time detection on the compressor exhaust temperature to protect the compressor For real time to detect circumstance temperature provide evidence for system control For real time to detect system condenser temperature and provide relative protection 4 High pressure ball valve low pressure ball valve Air balance valve oil balance stop valve CMV V DC inverter modular multi unit system diagram 14HP 16HP Filter outdoor temp sensor Filter nO outdoorcondensef A dl N L temp sensor j N outdoor conder Four way Filter G switch Inverter co temperature pressor ensor Gas oil separator A IN Inverter compressor A Ar NG E KA v IS r Frequency Ej N compressor 1 7 S Z N M temperature b Ee Frequency compressor X d P Frequency compressor 2 temp sensor p f inverter com
103. minal Test Operation 83 3 Field Setting 3 1 Field Setting from Remote Controller Allocation ofremote controller Introduction of remote controller of Invert wall mounted Standard Collocated Ceiling Cassette Standard Collocated Floor ceiling Standard Collocated Fan coil Alternative Collocated and Ducting Alternative Collocated Specification LING TONG 20 The usage is as follows Indicate the operating mode Indicate the wind speed Indicate the present time TEMP button The temperature will be reduced 1 C by pressing the key once The highest temp is 31 C in cooling heating or dehumidifying mode TEMP button The temperature will be reduced 1 C by pressing the key once The lowest temp is 17 C in cooling heating or dehumidifying mode WIND SPEED button The air flow will be changed by pressing the key and can be switched circularly from high speed to middle speed to low speed TIMER button Pressing the key can set the timing ON or timing OFF LOCK UNLOCK button Pressing the key can lock or unlock the controller HOUR setting button Set the present time and the hours oftiming time Transmission method Indicate the Setting temp It doesn tindicate the temperature in the automatic mode Indicate LOCK UNLOCK Indicate the grille is swinging Indicate the timing time ON OFF button MODE button Press the button the operation mode will be switc
104. n Connected to the electrical heating box Connect to the power T L Relay Connector Temperature switch Syoo g PUIUIO JOM Og Temperature switch Indoor electrical wiring diagram 126 Low ESP duct electrical components layout TRANS IN CN10 SYN d CN6 Blecttic heating LINIS D of AJB G Communication Power Terminal Blocks e lines buckle Terminal Blocks Middle amp high ESP duct electrical components layout HCO AS KKK ENC1 en TRANS OUT we N14 CN15 CN5 B JS TRANS IN CN10 SYN B ai CN 6 Electric heating E Relay DD _ Ci wm CO E LA JB GG L NIOD cov Communication Power Terminal Terminal Blocks B1 ocks lines buckle Indoor electrical wiring diagram 127 2 Application unit Wall mounted 2 1 Application unit CMV 22G V84 CMV 28G V84 CMV 36G M84 Electrical wiring diagram TOP LLL 15 sw NS a L l 66666 SWI N CN7 EV CN6 STEP CNIA CN9 O O ET CN5 Le 6 6 AA 6 6 AAA AAT ENCI COM 30A RL2 NO n Om V LZ Lm aa Unit Terminal Blocks LINIe ADBIG POWER Communication Interface Y G Remark 1 About the use of the SW2 switch The 1 key stoke must be set ON station the 2 key stoke must be set OFF station Indoor electrical wiring diagram 128 2 2 Application unit CMV 45G P84 CMV 51G P84 CMV 70G W84 Electrical wiring diagram ee qa rm m g
105. n 40P x i d adjustment 4 S J Filter d l Filter ua c 3 Filter Kee Inner fan e Inner fan Inner fam Normal operation normal adjustment do not operate a Bs at ET Z H R l High pressure sensor Outdoor environment High pressure tem perature sensor switch r lt E get Te d nverter Lc compressor v M Filter N Filter NG PA m M pm Decr igh res Oil gas RS i PM f separator e c High pressure SE i Outdoor condensate j Filter Frequency ball valve temperature sensor compr ssor low pressure switch Outdoor condenser S Filter Ea N ee Pour N N Low pressure sensor Way 3 gt Gi Low pressure ball valve c Filter P m De b low Lo pressure Air balance valve tank N F Oil balance stop valve Refrigerant circuit 51 Defrosting operation while heating Heating ON c Heating ON OFF Filter
106. nect them well according to needs Replace the sensor and then check again 121 7 Indoor fan fault the troubleshooting is referred to the flow below it is applicable for the case that the indoor motor is PG motor Indoo fan fault Y e Whether th e N 7 m 0 indoor fan can run after powering again T S rt a Ka n rs Dm i Whether the connector Yes f are not connected well Enc a ect wn Dm nan mg ze jut we mg a No we ie _ Check whether A lt lt the plug of the fanisnot Check whether connected well m Check and modify the wiring connection lt lt connectors output of the motor ke N output voltage m rt _ Whether the fan No capacitor works well gt Replace the fan capacitor No ef una Whether the Ian Yes motor is locked mechanically gt No ei en p fe zd s a gum a 7 Check whether 7 Control Silicon works well 7 em we e Ka pert Tenan Ten a anan Qum 7 Whether the winding of fan motor works wel Replace the fan motor Yes E er Check whether the circuit board work ill or replace it Troubleshooting 122 8 Protection from too high the midpoint temperature of the pipe in heating mode Causes When the indoor electric control inspects that the temperat
107. neen eenen ennen 78 4 4 STD Compressor Overload Protection aanne eneen 79 sme uME EC m 79 5 1 Outdoor unit operating time Control 79 5 2 Demand eleve 79 Function 67 1 Operation Mode A CMV V DC inverter module multi unit can be supported with multi indoor unit the operation mode in system is confirmed by which indoor unit start at first if the requirement of later applying is not conform with current operation mode Patterns conflict then indoor unit will prompt non prior and stop operation the system operation mode conflict see the table as below System operating mode conflict Application mode Cooling Heating Current mode X pe pe e Dehumidification oe Fe B When receiving heating operation signal in cooling fan and dehumidification mode the indoor controller displaying non prior after 3 minutes of clearing cooling fan and dehumidification mode outdoor unit may carry out the heating mode C When receiving cooling fan and dehumidification operation signal in heating mode the indoor controller displaying non prior after 3 minutes of clearing heating mode outdoor unit may carry out the cooling fan and dehumidification mode D The preferred display method when the conflict in mode the indoor displaying panel shows that running indicator is flashing for 3 times and stop for every five seconds Function 68 2 Basic Control 2 1 Normal Operation Part name Normal cooling Normal heat
108. nnect them well and units is in good condition then check once more Yes Check the mainboard if it is in poor state replace it Troubleshooting 106 10 E13 Module condenser fan drive goes wrong Causes Chigo DC Inverter VRF unit adopts AC inverter fan When the fan goes wrong or the overheating protection switch of the fan breaks the system electric control will display E13 Troubleshooting Please carry on maintaining following the flow below E13 Module condenser fan drive goes wrong a e a Check whether _ the communication wires between the mainboard and the Connect them well and then check the control board of the fan is_ again a v connected well a K a bond uu ba ur Yes Check whether _ the temperature protection V switch of the condenser fan breaks gt Check the condenser fan if it is damaged replace it Troubleshooting 107 11 PO1 AC current input of Inverter compressor is so large that the compressor breaks down Causes When AC current input of Inverter compressor is more than 16A result from the large loads or other factors the system electric control will display P1 and stop the compressor Troubleshooting Please carry on maintaining following the flow below P01 AC current input of Inverter compressor is too large Whether the power voltage is normal Ne Improve the power and wires Te
109. ntroller is disable please repeat the operation once after changing new batteries and if itis also disable please contact the salesman or special maintenance service department Test Operation 85 Low ESP duct middle ESP duct high ESP duct UNIT NO 45678910111213141516 SET C CLOCK i SEE qum HEAT FAN SLEEP SYSTEM k VN HENIN 8WING INDOOR C IMERON S AUTO HIGH MED LOW TEMP n Timer orr 4 HIH Ka HEATER TIMER HOUR MINUTE FAN OPERATION and INDICATION 1 ON OFF key A Press the ON OFF key in the idle state the wire controller will begin to run and the operation lamp is on Besides the LCD will indicate the present setting mode B Press the ON OFF key on running the wire control will enter the standby state and the operation lamp is off Besides except system clock the LCD won tindicate other latent function C Pressing the ON OFF key the initial state will change from off to on and the wire controller delays sending the starting sign the delay time is 5s D Ifthe running wire controller is cut off the default state is off and will send off sign when the control is powered on again 2 MODE key A When in the on state pressing the MODE key on the wire controller or the MODE key of remote controller once the mode will be changed in the following order COOL DRY FAN HEAT AUTO B In COOL mode the sign of COOL on the LCD will be lightened The adjusting range of the set temperature is from 1
110. on the screen of LCD and kept for two seconds B Under the open state the wire controller will automatically identify which model it is Double temperature type or cold only type according to the setting of the indoor unit Test Operation 67 3 2 Field Setting from Outdoor Unit 3 2 1 Outdoor units address setting As for DC Inverter VRF system the maximum amount of the outdoor units running in parallel is three and it needs to set the correct address of outdoor units The address dialing switch with two numbers of outdoor units is located on the main electric control board of outdoor units the position is referred to Fig Three digit Forced cooling Check digital display button button Capacity setting dialing knob of outdoor unit Defrosting parameter Address setting dialing Amount setting dialing setting dialing switch of switch of outdoor unit switch of outdoor unit outdoor unit Fig Import parts position sketch map of outdoor units Outdoor address dialing switch adopts the up down dialing type dialing switch with two numbers O means the dialing switch at the position below and 1 means the dialing switch at the upper position Combining O and 1 can make four states the detail can refer to the following table Test Operation 88 Table Outdoor address dialing position UN UN UN UN Dialing position diagramatic sketch Number 00 01 10 11 l l 1 Outdoor secondary 2 Outdo
111. or secondary Wrong dialing code Meaning Outdoor main machine machine machine it is not allowed Setting method of outdoor address dialing codes 00 means that the outdoor unit is regareded as the main machine 01 and 02 mean that the outdoor unit is separately regarded as Instruction N 10 secondary machine and 2 secondary machine 11 stands for wrong dialing way and the default value before delivery is 00 3 2 2 Outdoor units number of modules setting As for Super Direct Current Converting Module Unit several outdoor units can run at the same time in parallel However the amount of those machines running in parallel should be set before running otherwise the system will break down The electronic controller of each outdoor unit has an outdoor module amount switch the position can refer to the following drawing which adopts the up down dialing switch with two numbers 0 means the dialing switch at the position below and 1 means the dialing switch at the upper position Combining 0 and 1 can make four states the detail can refer to the following table Table The dialing switch position of outdoor module amount ON UN ON ON Dialing position diagramatic sketch Number 00 01 10 11 geg One outdoor unit Two outdoor unitsin Three outdoor unitsin Wrong dialing codes earn parallel parallel it is not allowed Setting method of outdoor module amount dialing codes Instruction 00 01 and 10 me
112. otection Control CMV V DC inverter module multi unit has been set a low pressure protection control to protect system from low pressure when operating which caused by refrigerant leaking etc Low pressure protection control as follows A Checking system low pressure with low pressure sensor B When low pressure is lower than set value the system will reduce compressor output to maintain the low pressure C When low pressure is lower than a certain value the compressor will stop operating to protect the compressor from damaged D When low pressure switch is tripping off the compressor will stop running to protect the compressor from damaged 4 3 Discharge Pipe Protection Control In order to protect compressor from damaged which caused by the system refrigerant leaking that may lead to high exhausted temperature so the compressor exhaust temperature protection control has been set to CMV V DC inverter module multi unit The exhaust temperature protection as follows A Check every exhausted temp with exhaust temperature sensor Function 78 B When exhausted temperature reaches to a set value the system will reduce compressor output in order to prevent exhaust temperature rising or compressor be damaged when the exhaust temperature continues to rise the system will start liquid bypass to carry out the forced cooling to compressor to protect it C When the exhaust temperature reaches to a certain value the compressor wi
113. peration ee eee ee 77 Miu elsi ut d EE 78 4 1 High Pressure Protection Control 78 4 2 Low Pressure Protection Control 78 4 3 Discharge Pipe Protection Control 78 4 4 Inverter Protection Control 79 RR aen DEE 79 5 1 Outdoor unit operating time control 79 5 2 Demand Operation 79 Part 5 Test Operaton NENNEN 80 Lh Tesi Opera EE 81 1 1 Procedure and Ouilme nennen eenen 81 2 Outdoor Unit PC Board Layout esse 82 3 Field Setting nanne sne enenenennen enen eneen 84 3 1 Field Setting from Remote Controller 84 3 2 Field Setting from Outdoor Uhit 88 Part 6 _IFOUDIGSNOOUNG irit reto gaku unas awi ban eee rient 91 EE IUE ci MM MM 92 Ee t eiB cT Le MER 99 2 1 Outdoor unit sse 99 22 Te eeler db Dir DEE 118 Part 7 Indoor Electrical Wiring Diagram 125 1 Low ESP middle ESP high ESP duct 126 CER NG eE MT E 126 CTT nn NAN MAN EEN 130 MEC XE RNg E 132 Table of Contents II 1 Introduction 1 1 Safety Cautions Cautions and Warnings m Be sure to read the following safety cautions before conducting repair work The caution items are classified into Warning ang f Caution The Waring items are especially important since they can lead to death or serious injury if
114. pressor 2 X y low pressure switch Ow pressure Sensor 42 CUI Refrigerant c 14 HP 16 Hp system Inverter compressor Invariable frequency Through inverter variable frequency compressor input various of frequency to compressor 1 adjust the speed fixed frequency compressor only fixed operated under fixed power Invariable frequency compressor 2 Oil gas separator For oil and gas separation ensure the compressor return oil normal High pressure tank For storaging excess of refrigerant adjust the refrigerant circulation n Gas liquid separation guarantee for the normal work prevent compressor Gas liquid separator E liquid hammer Four way valve While heating or cooling for shifting refrigerant flow Check valve Providing the single flow path for refrigerant and stop the reverse flow To prevent the damage caused by compressor exhaust overhigh pressure High pressure switch operating pressure is 4 2 Mpa recovered pressure is 3 0 MPa Protect the compressor from low pressure operating pressure is 0 08 MPa Low pressure switch recovered pressure is 0 15 MPa Used for checking system working pressure adjust the fan speed the same High pressure sensor n mE l time control the switch for outdoor liquid bypass and liquid flow switch etc Used for checking system working pressure adjust the fan speed the same Low pressure sensor MP mE
115. protection lampe is kept Outdoor units fault Flash four times denken the run Ve fishes j TP It just displays at shutting down the protection lampe is kept Indoor evaporator frosts for protection Flash five times lightening and the run lamp flashes The temperature sensor fault at outlet It just displays atshutting down the protection lampe is kep of the pipe T2B Flash six times lightening and the run lamp flashes It just displays at shutting down the protection lampe is kept Indoor fan fault as for PG motor Flash seven times lightening and the run Eos flashes E r E Protection from the temperature at the It just displays at shutting down the protection lampe is kept middle point of the pipe too high in Flash eight times lightening and the run lamp flashes heating mode It just displays at shutting down the protection lampe is kept Water pump fault Flash nine times lightening and the run lamp flashes Remark 1 Flashing ways above are It keeps flash for one second every other second lashes N times continually with 5 seconds idle Remark 2 Outdoor units with fault cue means that outdoor units are operating with the fault that is when the outdoor sensor goes wrong or the module is shielded outdoor units are kept operating However Outdoor unit fault means that outdoor units go wrong and the system is shut down Besides the indoor unit will not display the corresponding code when outdoor units enter to the protection state
116. protection of the middle of E It just displays at shutting indoor coil T2 in heating mode down Troubleshooting 98 2 Troubleshooting The followings will give an introduction for protection and faults codes separately and then explain how to deal with them 2 1 Outdoor unit 1 E01 Inverter module fault Cause During operating when Inverter module goes wrong result from the external electromagnetism interruption or the poor power or the fault itself E01 will be indicated on the outdoor electronic control board Troubleshooting Please carry on maintaining following the flow below E01 Inverter module fault Y Ee LL m Wm Check whether the driving board and the driving T Connect them firmly l Y p loose v No E we nn Wen line of the moduleis mo Check whether the compressor is blocked up _ Check the system eana I 7 Check whether lt the heat radiation of the module is poor e ec Wi e a ee m P M Kaan a es es Yes Q0 heck whether the power wires of the inverter compressor are loose __ Kana Le we tt Kaa ect we ep Ka ec eer No Connect power wires firmly a ain DZ we Check whether e D voltage among module PIN ofihie Check every component of the inverter compressor is between generatri
117. r wire is right or firm a Taa un we m Weg d Deg e Le e Connect the wires again in righ phase sequence ie a Yes ect Ba Te ec x m ad Check whether Yes Connect them again and then connectors on the main board are check them loose m d m m Troubleshooting 102 6 E07 Addresses of outdoor units are wrong Causes When the address of outdoor unit is dialed to the wrong position the system electric control will display EO7 Troubleshooting Please carry on maintaining following the flow below E07 Addresses of outdoor units are wrong te a han Check whether i No the dialing address is right E x E Check the mainboard if it is in poor state replace it NOTE In System Installation section it give a detailed instruction for how to dial the address Instruction for dialing outdoor address The dialing address of main machine is 00 and that of 1 Secondary unit and 2 Secondary units are 01 and 10 separately otherwise it means the dialing address is wrong and the system will display EO7 Troubleshooting 103 7 E08 Communication fault between outdoor units and indoor units Causes When the communication wires between outdoor units and indoor units are connected wrong or some wires are not connected well it will lead the communication between them go wrong and the system electric control will display E08 Troubleshootin
118. r for example h05 means that there are 5 sets of indoor units connected to the system When the compressor begins to run however the three bit digital display tube will indicate the current operating frequency of the inverter compressor and the code display begins with F letter for example F62 means that the current operating frequency of the inverter compressor is 62Hz Once the system goes wrong the three bit digital display tube will indicate the protection code or fault code and the code display begins with E or P letter If there are several protections or faults it will indicate those codes circularly and if the system are operating the current operating frequency Will be indicated Troubleshooting 94 B Indicating lamps on the lamp board of indoor units flash in special order especially for ceiling cassette type indoor unit The conventional diagram of the lamp board is as follows Receiving window Emergency button u CS 09 o B Power Run Timer Protection Fig 2 The conventional diagram of the lamp board Indicating lamps on the lamp board It includes Power lamp run lamp timer lamp protection lamp receiving window and emergency button The details are as follows 1 Power lamp Red it will lighten when the air conditioner is supplied with the power 2 Run lamp Green it will lighten when the air conditioner runs and be off when the air conditioner stops 3 Timer lamp Yellow it will li
119. r exhaust temperature to regulate with a certain calculation method After shutdown the modular electronic expansion valves of opening is closed to zero When the system is shutdown all outdoor electronic expansion valve of opening is 350P 2 6 Cooling Operation Fan Control CMV V DC inverter module multi unit of outdoor condensate fan using inverter fan the highest fan speed control can be achieved to seven gear precisely control the system heat exchange so that the system can be operated best in any different conditions CMV V DC inverter module multi unit control is operated by pressure According to system of suction pressure to regulate outdoor fan s speed thus to achieve the purpose of precisely control system pressure That make system running in the best working condition Function 74 3 Special Control 3 1 Oil Return Operation CMV V DC inverter module multi unit with it s feature of long pipe and with multi indoor unit in order to ensure the normal operation it has been set a oil return program so that system could promptly recovery the dispersive oil to outdoor unit thus to ensure normal operation of compressor When the system executing oil return program outdoor 3 digital tube displaying dO to prompt user 3 1 1 Oil Return Operation in Cooling Operation The oil recovery control is a fixed program in cooling mode start the oil recovery control after system operating for 4 hours the oil recovering tim
120. roller Wired controller Ke Ke Specification 32 Model 1 Cooling Capacity 2 Heating Capacity Casing Color Dimensions WxDxH Packing Dimensions WxDxH Rows x Stages x Coil Cross FPI Fin Coil Face Area Model Type Motor Output BE D 2 Air Flow Rate H L External Static Pressure 4 Drive Temperature Control Liquid Pipes Pipin iis Gas Pipes Connections Drain Pipe Machine Weight Mass 5 Sound Level H L Refrigerant Control EXV Model Standard Accessories Specification x 3 3 mm NO cfm 3 ES ee XK o ES 3 3 3 CMV 80LD Co Co Galvanized steel 1270x230x635 1340x301x721 2x10x1 6mm 0 24875 YSK110 45LD 4P3H90 YSK110 22LD 4P3H90L Centrifugal rotor 100x1 60x1 647 3 fan speed 16 30 09 52 015 88 DN20 sch SP D031 Wired controller A A A lt CMV 112LD 11 2 12 5 Galvanized steel 1660x230x635 1 30x301x721 2x10x1 6mm 0 34625 YSK110 85LD 4P3H90 Centrifugal rotor 125x2 1059 3 fan speed 16 30 09 52 019 05 DN20 D CO D CLO EXV SP D032 Wired controller 33 1 2 4 Wall mounted CMV 22G M84 CMV 28G M84 CMV 36G M84 800x280x185 800x280x185 800x280x185 880x360x250 880x360x250 880x360x250 Rows x Stages x Coil Cross FPI 2x14x1 4mm 2x14x1 4mm 2x14x1 4mm Fin Coil Face Area 0 18081 0 18081 0 18081 L EMEN Cross flow fan Cross flow fan
121. rom the other lines 4 Two holes in the ODU PC board must have plastic pillars support but does not need to screw fastening all communication lines cannot be bound with the strong current lines 5 Output lines SV1 SV2 SV4 SV5 4 WAY HEATER1 should be respectively cover on marks 1 2 3 4 5 6 and the N lines doesnot need 6 Output lines U V W of frequency conversion compressor go throngh magnetic ring which away 200mm from the compressor terminal and reverse loop around and fixed Refrigerant circuit 60 D 14HP 16HP Electrical wiring diagram of modular unit control
122. rophilic Aluminum Hydrophilic Aluminum Scroll Compressor Scroll Compressor cm3 rev 38459 38449449 30 78 30 78 3 88 4 5 13 x1 3 88 4 27 3 4 27 x1 soft start soft start Axial fan Axial fan Motor Output 0 400x2 0 400x2 Fan Air Flow Rate m3 h 14000 16000 Drive Variable frequency drive Variable frequency drive Liquid Pipe 012 7 015 88 Connecting Pipes Gas Pipe 3 bi N 028 6 Machine Weight Mass 4 NO 3 Sound Level Reference Value o UJ Qi Oo ep O1 high pressure switch fan high pressure switch fan drive overload protector drive overload protector Safety Devices Over current relay Over current relay Inverter overload Inverter overload protector protector Capacity Control 157 110 15 110 A Oo I l sch m EM N Refrigerant Name R 410A R 410A Refrigerant SRE Electronic Expansion Electronic Expansion Control Valve Valve FVC68D FVC68D Refrigerator Oil Charge Volume Standard Accessories Instruction Instruction Specification raies OO mme S ae tama ara OO OOO oea wo o O iae Number of rom 30 78 Comp Revolutions Motor Input x 3 88 5 13 5 13 x Number of Units Starting Method ema soft start ml Man Motor Output 0 40072 Fan Ai Flow Rate 16000 Connecting Liquid Pipe E O15 88 3 Sound Level Reference Value Sound 8 Sound Level Reference Value Reference Value c c pressure s
123. separated far away from the other lines 5 Two holes in the ODU PC board must have plastic pillars support but does not need to screw fastening all communication lines cannot be bound with the strong current lines 6 Output lines SV1 SV2 SV4 SV5 4 WAY HEATER1 should be respectively cover on marks 1 2 3 4 5 6 and the N lines doesnot need 7 Output lines U V W of frequency conversion compressor go throngh magnetic ring which away 200mm from the compressor terminal and reverse loop around and fixed Refrigerant circuit 64 2 3 The control board interface diagram Refrigerant circuit ak ess E Krek aera rA E xau TWO YN a HIT 4 E Kaz RR BI ac enter el Eier 111181 EUI SSC 185 Gol 33900374 d n uros4s ZHIGO VD ODU A A que I aca Let n been CN38 mi mm m L Ln oe K E n L pa L za LS E lt ka EN T aa pd bei E c ONO GQ E GO M Interface specifications as below Variable frequency compressor current transformer Fixed frequency compressor 1 current transformer Fixed frequency compressor 2 current transformer Exhaust temperature sensors socket Communication interface of outdoor moduler Socket for communicating with driver board Socket for communicating with external fan driver board Low pressure sensors socket High pressure sensors socket Room tube temperature sensors socket High pressure switch socket low pressure s
124. st the connection ec im f Ent Dm Te eM Rana P P c Deg Te Dt e un ka P kaa n E gem s m we Check whether the indoor 7 Whether the float switch works circuit board works ill Replace we 7 re Te a e me Que Te P _ Kaa in d n No Whether the condensate pump works 7 e Kaan n a ez mt BW Check and modify the circuitry ti et pump Is electrified 7 a Ra wn m Check the pump Heplace the pump Troubleshooting 124 Part 7 Indoor Electrical Wiring Diagram 1 Application unit Low ESP middle ESP high ESP duct 126 2 Application unit Wall mounted na aaa ak ajan eaaa gk ad akale a aka ga lekan 128 3 Application unit EEN e F DEE 130 4 Application unit Floor amp Geiling un ansnnn ren eennren vennen ee ennenr vens 132 Indoor electrical wiring diagram 125 1 Application unit Low ESP middle ESP high ESP duct Electrical wiring diagram Communication Terminal Blocks Connect to CN6 F a DL TTT 6 II E WAHAN B D e 3 wees SO on e D Aet TRANS QUT CN3 CN14 0 CN15 OMA N16 eH 9 S NS l dk A Wei T A amp tD CH T Ael z CPU z E HEAT JS 6 0 v air temperature H al CN17 PTI LK NEI up T IN CM men PT3 sensor NL i s BK d i Wij Capacitance 5 BK
125. t e ge e Q e lt c E 5 c e yae Ce EH Ee e U IND VIND CPU Unit Terminal Blocks POWER Communication Interface Remark About the use of the SW2 switch The 1 key stoke must be set ON station The 2 key stoke must be set OFF station Indoor electrical wiring diagram 129 3 Application unit Wall mounted 3 1 Application unit CMV 22Q CMV 28Q CMV 36Q CMV 45Q CMV 56Q Electrical wiring diagram Communication Terminal Blocks GBA y sf FTXYYY 25 LL cl Rp IT 43 3 mi Title p 2 2 z deo pci PL Festes ov J 5 CN14 CN15 CN1A CN16 Az 5 CN3 795 Hl kli Ag 8 ily ble Electrical lid plate gt H D I 1 0 INO CU IND LU IND FU IND IND e Za E eleele els f Unit Terminal Blocks CN u E Tl a un NEUE HEAT KEY ahi CN17 s AL sidie temperature C ee Cp mmm tensor outlet temperature i PT2 T2B ef S sensor PT3 ek L F TE ag Ri CN7 2 TRANS IN i lr di POWER Communication Interface Transformer 2 5 5 5 5 5 Indoor electrical wiring diagram 130 3 2 Application unit CMV 71Q CMV 80Q CMV 100Q CMV 112Q CMV 125Q CMV 140Q Electrical wiring diagram Communication Terminal Blocks GIB A pl CN 2 h PTA GE d CN2 BK rx NI lL SU Capacitance 3 je e d o HN T N LAN CN10 IN CN P UMP TRANS IN SYN 2 Indoor electrical wiring di
126. t relay Inverter overload protector Inverter overload protector Automatic intelligent Automatic intelligent Electronic Expansion Electronic Expansion Valve Valve FVC68D FVC68D Defrost Method Capacity Control Refrigerant Name Refrigerant ae Control Refrigerator Oil Charge Volume M 3 13 sch N O1 Standard Accessories XN CO Specification Model Name Combination Unit CMV V335WSAM CMV V400WSAM Model Name Independent Unit CMV V335WSAM CMV V400WSAM 33 5 D 1 Cooling Capacity 37 5 A 2 Heating Capacity Casing Color camel gray camel gray Dimensions HxWxD mm 16451340765 1645 1340x765 Heat Exchanger Hydrophilic Aluminum Hydrophilic Aluminum Type Scroll Compressor Scroll Compressor Piston Displacement cm3 rev 38459 38449449 Number of rpm 30 78 30 78 Comp Revolution Motor Input x 3 88 5 13 1 3 88 4 27 4 27 x1 Number of Units Starting Method Soft start up Soft start up Type Axial flow fan Axial flow fan Motor Output 0 400x2 0 400x2 Fan Air Flow Rate m3 h 14000x1 16000x1 Drive Variable frequency drive Variable frequency drive Liquid Pipe 3 3 3 A sch NJ 12 7 15 88 Connecting Gas Pipe 3 NO NO 028 6 Pipes m Oil Equalizing Pipe p6 35 p6 35 Machine Weight Mass 365 420 x high pressure switch fan high pressure switch fan drive overload protector drive overloa
127. tch suction pressure switch breaks POG Protection from the system exhaust pressure too high pressure sensor PO Protection from the system suction pressure too low pressure sensor x M 77 Check v whether the _ following Valves work well Electrontc _ Tai expansion v valve module electromagnetic valve Maintain the corresponding parts liquid pass by electromagnetic v alve gas pass M Slectromagnetir valve and retumoil 7 electromagnetic Valve d e e e Ie M gar Check whether the Maintain the condensing condensing system is normal system ail pe Check whether the m ee capacity output air flow adjustment Se Check the mainboard if it is a ae _and system pressure control are i poor replace it normal me iii ls m 7 Che ck whether the xac Yes aai ee pressure sensor and pressure Maintain or replace the sensor or the switch and then check it again Seen ECH are all ngi ge ud er Ze me RELY whether ihe D oe N e pressure sensor or pressure switch G Connect them well and then check ge is well connected to the connector pd once more e on ids mainboard No Check the refrigerating system Troubleshooting 111 15 P08 At capacity reduced protection state for too low suction pressure P09 At capacity reduced protection state for too high exhaust pressure P10 At capacity reduced pro
128. tection state for too high exhaust temperature DC Inverter VRF system can control and adjust the operation by itself to make sure the system running in the best state and avoid of the danger according to the ambient condition and use condition for user When those codes are displayed that means that the system is at adjustment state and if those faults cause the system out of work please check whether the refrigerant system is normal 16 P11 The exhaust pressure sensor goes wrong P12 The suction pressure sensor goes wrong Causes When the pressure sensor is damaged or connectors on the main board are loose the system will clue to the corresponding pressure sensor fault Troubleshooting When the system clues to the corresponding pressure sensor fault please carry on maintaining the sensor by following the flow below P11 The exhaust pressure sensor goes wrong P12 The suction pressure sensor goes wrong Check whether Bn md ag No Connect them well the wiring is right or connectors are T inh according to needs connected well s E es E Ch eck whether the No Replace the sensor sensor is all right eg and then check again Yes Check or replace the outdoor mainboard Troubleshooting 112 17 P13 The condensing temperature is too high in cooling mode Causes When the condensing humidity surpasses 62 C the system will clue to the condensing temperature too high Troubleshooting Wh
129. ted and the repair work must be stopped be sure to perform pump down and close the service valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it can generate toxic gases when it contacts flames such as fan and other heaters stoves and ranges When replacing the coin battery in the remote controller be sure to disposed of the old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor immediately Table of Contents V gas leaks If a combustible gas leaks and remains around the unit it can cause a fire Be sure to install the packing and seal on the installation frame properly If the packing and seal are not installed properly water can enter the room and wet integral the furniture and floor units only 1 1 3 Inspection after Repair S k Warning Check to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet all the way If the plug has dust or loose connection it can cause an electrical shock or fire If the power cable and lead wires have scratches or deteriorated be sure to replace them Damaged cable and wires can cause an electrical shock excessive heat generation or fire Do not use a joined power cable or extension cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire
130. that we join a 100 2 parallel resistance on the outdoor main board with the communication interface of the indoor unit and no need to install a matched resistance for the communication network between indoor units and outdoor main machines In the communication network among outdoor units the communication interface of each outdoor main board locates a 10012 terminal resistance which is controlled by a short film J5 located below the interface refer to Fig After installing the system the main machine is connected with J5 it is set before delivery and the secondary machines are disconnected with J5 e e e o D CN43 MODLE RS485 ien eg CN30 ON ON ON 12 12 12 em SWA SW swa AdderessType Prower EE EE EH L Outdoor Main Board CONTORL SV3 SV4 SV5 CN31 CN27 CN26 4 mil CN29 Dan Comm CPU LED3 e4 EXV2 CN36 EXV1 CN35 66060606 66060606 2 p S HEATER1 HEATER2 CN5 CN37 DO Fig J5 jumper position sketch map NOTE It is no need to pull out J5 jumper of the main machine As for J5 jumper of secondary machines pull out them and then insert them into one jumper for next using Test Operation 90 Part 6 Troubleshooting BE E E ONS AV Laban eten ante etend 92 Ze Rei Blue er na EE 99 2 lie MOU OO MUM nn 99 2e WAG O
131. the commissioning qualified to acceptance Test Operation 81 2 Outdoor Unit PC Board Layout 8HP 10HP outdoor unit control PTC Three phase Single phase converter converter Compressor driven Lightning modu plate The fan driver Filter up and down Transformer Electric control board terminal for communicati Standard ng with i We y C compressor indoor contactor Power terminal terminal G i f 4 A D v S a 8 d V NT w O v T JE A Bd L l L d c a mt mt Em communicating MUT Reactor outdoor fan and terminals etc Test Operation 82 12HP 14HP 16HP outdoor unit electric control Note The outdoor electric control system of 12HP 14HP 16HP are same with BHD 10HP only the fan driven system is different as show below Note 12Hp only with one frequency compressor contactor 14HP 16HP with two From left to right the contactor of frequency compressor F1 and F2 is putted in proper order PTC Three phase l converter Single phase converter contactor Capacitor Compressor driven module Lightning plate Fan driver Driven plate Filter only Fan capacitance Transformer Electric control board Standard compressor contactor Terminal for communicating A SON NC with indoor Reactor terminals Terminal Tor communicating with outdoor Power ter
132. trol which can detect every parameter and the working condition of each functional part and once functional parts go wrong the system will give the clue to user to deal with the fault in time in several ways and carry on some protection actions itself When the unit goes wrong there are several ways to warn of user a Three bit digital display tube on the outdoor main electric control board indicates faults and protections with special characters b Indicating lamps on the lamp board of indoor units flash in special order c The operation panel of indoor units indicates faults and protections with special characters Troubleshooting 93 Now we will introduce them separately A Three bit digital display tube on the outdoor main electric control board indicates faults and protections with special characters The drawing of outdoor digital display tube is as follows three bit digital display tube Fig 1 The drawing of outdoor digital display tube When the system goes wrong or enters to the protection state three bit digital display tube on the outdoor main electric control board indicates faults and protections with special characters and the table below will list all codes and their meanings Table 1 Outdoor protection codes and fault codes table NOTE For a normal case the three bit digital display tube will indicate the amount of indoor units connected to the system before operating and the code display begins with h lette
133. uency drive i Liquid Pipe 3 19 1 Brazing Connection 19 1 Brazing Connection onnectin j Gas Pipe 3 p34 9 Brazing Connection p34 9 Brazing Connection ipes Oil Equalizing Pipe 06 35 06 35 Machine Weight Mass 2904290 2904365 high pressure switch fan high pressure switch fan drive overload protector drive overload protector Safety Devices Over current relay Inverter Over current relay Inverter overload protector overload protector Automatic intelligent Automatic intelligent Defrost Method defrosting defrosting Capacity Control 15 110 15 110 Refrigerant Name mE R 410A R 410A 12 5 12 5 12 5 14 Refrigerant ema Electronic Expansion Valve Electronic Expansion Valve Refrigerator FVC68D FVC68D Specification 16 CMV V680WSAM CMV V280WSAM CMV V4 OOWSAM CMV V730WSAM CMV V280WSAM CMV V4 SOWSAM Model Name Combination Unit Model Name Independent Unit 1 Cooling Capacity 2 Heating Capacity N SL MN cdd ES mle 3 Casing Color camel gray camel gray 1665x930x765 1645x134 1665x930x765 1645x134 Dimensions HxWxD 0x765 0x765 Heat Exchanger Hydrophilic Aluminum Hydrophilic Aluminum Scroll Compressor Scroll Compressor l l cm3 r Piston Displacement 38 49 38 49 49 38 49 38 59 59 ev Number of Comp rom 30 78 x2 30 78 x2 Revolution Motor Input x 3 88 4 27 x1 3 88 4 27 x1 Number of Units 3 88 4 27 4 27 x1 3 88 5 13 15 13 x1 Starting Met
134. ure in the middle of the evaporator keeps no lower than 62 C in heating mode it will clue to entering protection from too high the midpoint temperature of the pipe and when the coil temperature of the evaporator is no higher than 52 C the electric control will unlock the protection The troubleshooting is referred to the flow below Protection from too high the midpoint temperature of the pipe in heating mode Z ve Pu n ui aa Check whether xi T oW kana a N o an the sensor works well Be Maintain the sensor aa T D we em e et viet SE Wee No Check whether the Maintain the indoor unit indoor fan works well im i Qm m mi pm Kane es em T m e 7 Check whether the _ No refrigerating system works well wn E m Maintain the system Check whether the mainboard works well if not replace it Troubleshooting 123 9 Water pump fault Causes In cooling mode when the indoor electric control inspects that the water level switch keeps in off position for 5 minutes the electric control will display the fault and shut down the unit The unit will be restarted up after the fault is eliminated The troubleshooting is referred to the flow below Water pump fault i wa Mu we m Se D eg aa Quum im _ Whether the connectors _ A are connected well a No Adju
135. uses As for DC Inverter VRF system the electric control is kept inspecting the operating current of the compressor when the current surpasses the setting value the system electronic control will display the corresponding code and stop the compressor As for the setting value it is depended on the type of compressor Troubleshooting Please carry on maintaining following the flow below m s m a Wa Dot re 7 Whether the power NG voltageisnormal e Improve the power and wires ur um Quer Dum E m aa ug Yes 7 Check whether each No Check and modify connector is connected well power wires Yes Check whether ME No fixed frequency CO ntactor Replace the contactor x 7 Works well P Check whether he No CI m 3eck whether the compressor iem compressor works well 4 is short circuit if so EE 1 Yes Check the refrigerating system Troubleshooting 116 20 P24 Protection from outdoor ambient temperature too low Causes As for Super DC Inverter Module Unit the electric control system is kept inspecting the outdoor ambient temperature when the temperature is lower than 14 the electric control system will forbid the unit to run and clue the unit enters to the protection state Troubleshooting Please carry on maintaining following the flow below P24 Protection from outdoor ambient temperature too low E Ka am wl ef mn a
136. ut x 3 88 4 27 x2 3 88 5 13 5 13 x Number of Units 3 88 4 27 4 27 x1 Starting Method Soft start up Soft start up ERE Axial flow fan Axial flow fan Motor Output 0 400x4 0 550x2 0 400x2 Air Flow Rate 16000x2 11000x2 16000x1 Dive o Variable frequency drive Variable frequency drive Liquid Pipe 3 mm p22 2 Brazing Connection p22 2 Brazing Connection Connecting B Gas Pipe 3 mm p38 1 Brazing Connection p41 3 Brazing Connection ipes Oil Equalizing Pipe mm 6 35 6 35 Machine Weight Mass 420 420 290 290 420 high pressure switch fan drive high pressure switch fan drive Safety Devices overload protector Over current overload protector Over current relay Inverter overload protector relay Inverter overload protector Automatic intelligent Automatic intelligent Defrost Method a a Capacity Control Capacity Gong ABO 10 ABO 10 Refrigerant Name I R 410A R 410A Refrigerant CE wee NANA AA mm L oespesene Spes vane o anas e mae rawa nawa Specification 19 Model Name Combination Unit CG CMV V1010WSAM CMV V1065WSAM CMV V280WSAM CMV V2 CMV V280WSAM CMV V3 Model Name Independent Unit 80WSAM CMV V450WSA 35WSAM CMV V450WSA M M zapen e es kee 1665x930x765 x2 1645x 1665x930x765 1645x134 Dimensions HxWxD 1 BOUM Fees Heat Heat Exchanger Hydrophilic Aluminum Aluminum Hydrophilic Aluminum Aluminum Scroll Compressor Scroll Compressor mE 38
137. valves keep the original opening and do not adjust Indoor fan control by the operation of anti cold air Indoor electronic expansion valves the largest opening is 480 step When defrosting each functional component of system and refrigerant flow diagram as show below Function 0 Hehtenpaauearipesue gs Filter Filter Filter Hehienpsatueandpresueliqid A san val K ZS 4 TX ad Hecraiceqansan NA Eugen FATA Beraicegansim veh NAN owtenpard pese LUI U Filter CUJ Ritter dE ONE Filter pA iue EN 4 R WAY NU lt E fad 4 inner fan OFF anti cold air FE anti cold air do not operate e high p sense Obr higt switch ammat smr lt N a mete KK anpes lt filter xe mx Let filter o V N el n A tih H d Q WN d pesue geal i Ke Es Owe Speer JN d SE l filter A as n X IB oer NI L ow pre filter w pre NG
138. witch fan drive overload protector Safety Devices Over current MEE ANM Inverter overload protector Capacity Control Capacity Control BABI 10 Refrigerant Name R 410A Refrigerant mw m e ome Rane See mem Notes 1 Indoor temp 80 FDB or 67 FWB outdoor temp 95 FDB Equivalent piping length 25 ft level difference O 2 Indoor temp 70 FDB outdoor temp 47 FDB or 43 FWB Equivalent piping length 25 ft level difference O 3 Anechoic chamber conversion values measured under JISB8616 conditions During actual operation these values are normally somewhat higher as a result of ambient conditions Specification 12 Tahsan ee Wasan Tahseen een oma DICIT ee ear AAN NAN mo Heat Exchanger Hydrophilic Aluminum Uwe ei sce Number of rpm 30 62 30 76 Comp Revolution Motor Input x kW 3 884 4 27 x1 3 884 4 27 x1 Number of Units Starting Method BENE Soft start up Soft start up w Aufer Axial fou far Motor Output kW 0 550x1 0 550x1 Fan m3 h 11000 11000x1 Variable frequency drive Variable frequency drive Liquid Pipe 3 m 12 7 12 7 Air Flow Rate Drive Connecting Gas Pipe 3 22 Pipes Oil Equalizing Pipe p6 35 3j Sis w R O1 d Machine Weight Mass 290 x high pressure switch fan high pressure switch fan drive overload protector drive overload protector Safety Devices Over current relay Over curren
139. witch socket External fan overload protection switch socket Socket for communicating with indoor unit Transformer secondary input port 17 Ac contactor interface Fixed frequency compressor 2 contactor interface Fixed frequency compressor 1 contactor interface Oil and heat interface of variable frequency compressor Four way valve interface Variable frequency unloading electromagnetic valve interface Oil balance electromagnetic valve interface liquid side electromagnetic valve interface Interface for Modular electromagnetic valve and return oil electromaganetic valve The transformer primary socket Three phase power inspection hole Outdoor electronic expansion valve socket Refrigerant circuit 66 Part 4 Function T Operation MONG EE 68 2 Basic Od e diced toni uten ILIA DUE 69 Zev Normal OO STAN enge b aka aaa 69 2 2 Compressor e eines ee rid She EORR EE Phat oid micum a 70 2 3 Outdoor electronic expansion valves control 73 2 4 Outdoor condensate fan control anna eaaa eaaa naen aane naen 74 2 5 Electronic Expansion Valve Control 74 2 6 Cooling Operation Fan Control eee eee e 74 9 EE e elase as sasa aaa a ee a oben ntt ee ee eee 75 Sel Ol HS TOD Ee ME 75 3 2 Detrostind OPENING stegen Beede een date 77 A Protection Conto TTT 78 4 1 High Pressure Protection Control 78 4 2 Low Pressure Protection Control 78 4 3 Discharge Pipe Protection Control aa
140. ws x Stages x Coil Cross CMV 100F3 CMV 120F3 CMV 150F3 Galvanized steel Galvanized steel Galvanized steel 1170x600x430 117 0x600x430 1320x600x430 1315x630x545 1315x630x545 1465x630x545 En En u E E tope mm m neee amer e ze Somes oma ome IINE m m En E E E E En Fin Coil External Static Fi 4 Pipin Asi M om o E ow ww w en m m om es mm oem eee masses meme werner a Specification 39 Part 3 Refrigerant Circuit Tta System IP v Taies E T Mm 41 tel System els ei la dag AIM saa pena a oen ta ad AA Deer ve ddp Need 41 1 2 Functional components Uel vus Ee re al eR a aka aaa Ka 45 1 3 Refrigerant flow chart of operation mode 48 2a EELER PRINCIPE T T tU TT 53 2 1 Electric control parts layout schematiC eee eee eee e eee eee 53 22 EICCINC appliances EIERE 55 2 3 The control board interface dagram sees eee 65 Refrigerant circuit 40 1 System Princip 1 1 System princi Name Variable frequency compressor Fixed frequency compressor 1 Oil air separator High pressure liquid tank Gas liquid separator Four way valve One way valve High pressure switch Low pressure switch High pressure sensor Low pressure sensor Outdoor electronic expansion valve Magnetic valve module Liquid by pass magnetic valve Variable frequency compressor unloading valve Return oil magnetic valve Average oil magnetic valve Variable frequency compressor exh
141. x such as three phase AUV and 580v 7 commutation bridge single phase TRES commutation brige and so on Yes Heplace the madule of the inverter compressor Troubleshooting 99 2 E02 DC generatrix sampling voltage is abnormal Causes When three phase voltage input of outdoor units is too high or too low or when the three phase power is lack of phase it will cause DC generatrix sampling voltage abnormal and the system electric control will display E02 Troubleshooting please check the power 3 E03 Communication fault between the outdoor main chip and inverter drive chip Causes The following factors cause the communication fault and the system electric control will display E03 such as the electric control board faults the driving board fault the communication wire open circuit strong electromagnetism interruption and SO On Troubleshooting Please carry on maintaining following the flow below E03 Communication fault between the outdoor main chip and inverter drive chip Nn aii lt heck whether n a No Replace those wires for cuni the communication wires are connected good ones and then tight and firmly connect them firmly Yes p Check whether Replace the main board e the mainboard is damaged Be for good one and then test it again No Check whether Yes Replace the inverter the inverter driving board i driving board for good n ee is damaged mi one and then t
142. x1 Number of Units 3 88 5 13 5 13 x1 3 88 5 13 5 13 x1 Starting Method Soft start up Soft start up Axial flow fan Axial flow fan Motor Output kW 0 400x4 0 400x4 Fan CMV V785WSAM CMV V850WSAM CMV V335WSAM CMV V4 CMV V400WSAM CMV V4 SOWSAM SOWSAM cO C1 On Air Flow Rate m3 h 14000x1 16000x1 16000x2 Variable frequency drive Variable frequency drive Liquid Pipe 3 mm p22 2 Brazing Connection p22 2 Brazing Connection Connecting B Gas Pipe 3 mm p38 1 Brazing Connection p38 1 Brazing Connection ipes Oil Equalizing Pipe mm 6 35 6 35 Machine Weight Mass kg 365 420 420 420 high pressure switch fan high pressure switch fan drive overload protector drive overload protector Over current relay Inverter Over current relay Inverter Safety Devices overload protector overload protector defrosting defrosting Electronic Expansion Valve aeae mana rena Specification 18 Model Name Combination Unit mE CMV V900WSAM CMV V960WSAM CMV V450WSAM CMV V450WS CMV V280WSAM CMV V280WS Model Name Independent Unit AM CMV V400WSAM 1645x1340x765 1645x13 1665x930x765 x2 1645x Dimensions HxWxD 40x765 1340x765 Heat Exchanger Exchanger nn Hydrophilic Aluminum Hydrophilic Aluminum Type 00 Scroll Compressor Scroll Compressor Scroll Compressor cm3 r Piston Displacement z 38 59 59 38 59 59 38 49 x2 38 49 49 Number of Comp 30 78 x 30 78 x Revolution Motor Inp
143. xWxD 1665x930x765 1645 134 1665x930x765 1645x134 mm 0x765 x2 0x765 x2 Heat Exchanger Hydrophilic Aluminum Hydrophilic Aluminum Type Scroll Compressor Scroll Compressor l l cm3 r 38 49 38 49 49 38 5 Piston Displacement 38 49 38 59 59 x2 ev 9 59 Comp 50WSAM CMV V450WSA Number of rom 30 78 x3 30 78 x3 Revolution 3 88 4 27 x1 3 88 kW 4 274 4 27 x1 3 88 5 13 5 13 1 Starting Method CG Soft start up Soft start up Type Axial flow fan Axial flow fan Fan Motor Input gt lt 3 88 4 27 x1 Number of Units 3 88 5 13 5 13 x2 Variable frequency drive p22 2 Brazing Connection p41 3 Brazing Connection p6 35 6 35 290 420 420 290 420 420 high pressure switch fan high pressure switch fan Air Flow Rate Drive Liquid Pipe 3 Gas Pipe 3 Oil Equalizing Pipe Machine Weight Mass Connecting m m Pipes m m m m kg drive overload protector drive overload protector Safety Devices Over current relay Inverter Over current relay Inverter overload protector overload protector Automatic intelligent Automatic intelligent defrosting defrosting 15 110 15 110 Defrost Method Capacity Control R 410A R 410A 12 5 1 18 2 12 5 18 2 18 2 Electronic Expansion Valve Electronic Expansion Valve FVC68D FVC68D Standard Accessories manual manual Yo Refrigerant Name Refrigerant Charge kg Control Refrigerator Oil Charge Volume

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