Haier H-MRV Series Service Manual
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Haier H-MRV Series Service Manual

H-mrv series
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Summary of Contents for Haier H-MRV Series

  • Page 2 >`^^WcU[S] <[c >`_V[e[`_Wc >JIN@INM 30 BW_WcS] [_X`c^Se[`_ 303 H`VW] U`VW VWdUc[ae[`_ 304 C/HLP dWc[Wd ][_W fa 305 JaWcSe[`_ eW^aWcSefcW cS_YW 306 Kc`VfUed XWSefcWd 40 MaWU[X[USe[`_d 403 MaWU[X[USe[`_d X`c `feV``c f_[ed 404 MaWU[X[USe[`_d X`c [_V``c f_[ed 50?[^W_d[`_d 60 KSced _S^W 70 >`_ec`]]Wc Xf_Ue[`_d 703 Q[cWV U`_ec`]]Wc RL/@28 704 D_XcScWV U`_ec`]]Wc RL/C93 ,= U`VW- 705 LW^`eW cWUW[gWc L@/23...

  • Page 8: Specifications

    >a__WcU[S^ <[c >a`V[e[a`Wc 2. Specifications 2.1 Specifications for outdoor units Item Model AU242FHBHA Function cooling heating 7.03 7.91 Capacity Capacity BTU/h 24000 27000 Total power input 3200 3100 Max. power input 3800 3800 2.20 2.55 EER or COP Power source N, V, Hz 1PH~,220V,50Hz Running /Max.Running current...
  • Page 9 >a__WcU[S^ <[c >a`V[e[a`Wc Item Model AU482FIBHA cooling heating Function Capacity 48000 61000 Capacity BTU/h Total power input 6500 6000 Max. power input 7500 7500 EER or COP 2.15 Power cable Power source N, V, Hz 1PH~,220V,50Hz Running /Max.Running current cooling: 34A/42A heating: 30A/40A A / A Start Current AU482FIBHA( white)
  • Page 10 >a__WcU[S^ <[c >a`V[e[a`Wc Item Model AU48NFIBIA cooling heating Function Capacity 48000 61000 Capacity BTU/h Total power input 6000 6000 7000 7000 Max. power input EER or COP 2.33 Power cable Power source N, V, Hz 3PH~,380V,50Hz Running /Max.Running current A / A cooling: 10.5A/13 A heating: 10.5/13A Start current Unit model (color)
  • Page 11 >a__WcU[S^ <[c >a`V[e[a`Wc 2.2 Specifications for indoor units AB092FCBHA AB142FCBHA Item Model Cooling capacity 9000 14000 Btu／h Heating capacity 12000 16000 Btu／h Cooling capacity 2600 4100 Heating capacity 3500 4700 Dehumidifying capacity 10‐³×m³/h Power source 1PH 220V-230V 50HZ N，V，Hz Power consumption Running current 0.07 0.07...
  • Page 12 >a__WcU[S^ <[c >a`V[e[a`Wc Item Model AC182FCBHA AP182FABHA Cooling capacity Btu/h 18000 18000 Heating capacity Btu/h 21000 21000 Cooling capacity 5300 5300 Heating capacity 6200 6200 Dehumidifying capacity 10‐³×m³/h 2.1 Power source N,V,Hz 1PH 220V-230V 50HZ Power consumption Running current Starting current Refrigerant R407C R407C...
  • Page 13 >a__WcU[S^ <[c >a`V[e[a`Wc Item Model AS072FCBHA AS092FCBHA Function Cooling Heating Cooling Heating —— Capacity 7000 9500 9000 10000 BTU/h Capacity 2000 2800 2600 3200 Dehumidifying capacity 10‐³×m³/h Power cable —— 3 × (1.0~1.5mm Communication cable —— 2x(0.75~1.25mm Power source N, V, Hz 1, 220~230, 50 Running current A / A...
  • Page 14 >a__WcU[S^ <[c >a`V[e[a`Wc Item Model AS182FCBHA Function Cooling Heating —— Capacity 18000 20000 BTU/h Capacity 5200 5800 Dehumidifying capacity 10‐³×m³/h Power cable 3 × (1.0~1.5mm2 ) —— Communication cable 2x(0.75~1.25mm2 ) —— Power source 1, 220~230, 50 N, V, Hz Running current A / A 0.10...
  • Page 15 >a__WcU[S^ <[c >a`V[e[a`Wc Item model AE072FCBKA AE092FCBKA Cooling capacity 7000 9000 Btu／h Heating capacity 9000 11000 Btu／h Dehumidifying capacity 10‐³×m³/h 1.2 Power source N，V，Hz 1PH 220V-230V 50HZ 1PH 220V-230V 50HZ Refrigerant R407C R407C Noise level(H/M/L) dB(A) 36/32/29 36/32/29 Type × Number centrifugal fan×2 centrifugal fan×2 Air-flow(H-M-L) m³/h...
  • Page 16 >a__WcU[S^ <[c >a`V[e[a`Wc Item model AE182FCBKA AE242FCBKA Cooling capacity 18000 24000 Btu／h Heating capacity 20000 28000 Btu／h Dehumidifying capacity 10‐³×m³/h 2.4 Power source 1PH 220V-230V 50HZ 1PH 220V-230V 50HZ N，V，Hz Refrigerant R407C R407C Noise level(H/M/L) dB(A) 48 / 43 / 36 48 / 43 / 36 Type ×...
  • Page 17 >a__WcU[S^ <[c >a`V[e[a`Wc Installation state: the unit should be placed on the flat floor or be mounted in horizontal direction. Testing method: standing-on-floor unit: If the unit cooling capacity is over 28000W, the noise level should be measured at mounting-on-ceiling unit: the front, left, right directions respectively.
  • Page 18 >a__WcU[S^ <[c >a`V[e[a`Wc outdoor unit: 1.air outlet from side: the noise level is the average sound pressure level measured from front, left, right directions. 2.air outlet from top: the noise level is the average sound pressure level measured from front, back, left, right directions. measured point: H ( height to the ground) = (h (unit height) + 1m) /2 and, it is 1m to each side.
  • Page 19 >a__WcU[S^ <[c >a`V[e[a`Wc 3. Dimensions ■ AU242FHBHA Power wiring terminal ■ AU48 Power wiring Terminal Screw Hole (4xM10) -19-...
  • Page 20 >a__WcU[S^ <[c >a`V[e[a`Wc ■ AB** series (mm) ■ AC** series (mm) -20-...
  • Page 21 >a__WcU[S^ <[c >a`V[e[a`Wc ■ AE** Ceiling concealed unit OVER 250 unit model AE072FCBKA AE092FCBKA AE122FCBKA AE142FCBKA AE182FCBKA 1020 AE242FCBKA 1350 ■ AF** series -21-...
  • Page 22 >a__WcU[S^ <[c >a`V[e[a`Wc ■ AS** series FH@AE > AS072FCBHA AS092FCBHA AS122FCBHA AS142FCBHA AS182FCBHA ■ AP** series 1746 -22-...
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  • Page 24 -24-...
  • Page 25 -25-...

  • Page 26: Controller Functions

    >a__WcU[S^ <[c >a`V[e[a`Wc 5. Controller functions UNQ q| xw v x slM`PV RRNmx | z u o xw {x | x y | x t w v v~ RSNm xx u hj_` a\i mqdib o xw x m xx \onj n`hk c`\gnc RTNn| x \w}...
  • Page 27 >a__WcU[S^ <[c >a`V[e[a`Wc x wt | o x ^jjg | o x c`\n | | x N o x _ls | | zLt t w | wt v | t xN hj_` mqdib IQJ o | \onj c`\gnc n`hk jiOjaa u k x | x t | ^gj^f...
  • Page 28 >a__WcU[S^ <[c >a`V[e[a`Wc vt x t |vt | z | xZ ]xy x | zL zx utv~ y ty x yt t xx t |z{ N ndh`l jiOjaa hj_` mqdib j x t | wx | ux w| t xw g^_Nk x | w|vt n`hk...
  • Page 29 >a__WcU[S^ <[c >a`V[e[a`Wc hj_` mqdib n`hk c`\gnc ^gj^f ndh`l mg``k adgn`l l`m`n ODPDQ jiOjaa ndh`l jiMjaa j x t | wx | ux w| t xw g^_N k x | w|vt | x {x u x xwL w| t v{t zx t y V`Ub_ mx xv ndh` u...
  • Page 30 >a__WcU[S^ <[c >a`V[e[a`Wc i xZ ]xy x | z {| y v v~L {x xx y | ux w| wx xwN tu x m xx mqdib hj_` |z{ L uxy x z | z n`hk c`\gnc {x mg``k u {x v ^gj^f t w {x t| Mv w| |...
  • Page 31 >a__WcU[S^ <[c >a`V[e[a`Wc \y x {x t M x t y x L |y x yt| x {| x {x t| v w| | ~| zL | x {x ~| z t x {x |xw tzt| N mx | z hx { wZ q{x {x x Ix v w| z | x wx t w yt...
  • Page 32 >a__WcU[S^ <[c >a`V[e[a`Wc x {x {xt { y | { {| y \y x x {x |z{ y {xt { u | x v x w| G GL mqdib hj_` xzt | x | zx x t xzt | x n`hk c`\gnc | N k x...
  • Page 33 >a__WcU[S^ <[c >a`V[e[a`Wc y | x QN lx y | x v y | x v k^] | y | x y | x x L ux vt xy wt tzx | N RN d t {x | xw x k xt x w | {x t tvv w| z utv~ v...
  • Page 34 >a__WcU[S^ <[c >a`V[e[a`Wc VnzopV VmV^ ~ s]x| Vyprl~t p tzyV lww xz y~po nlmtyp~ the following. rpy rpyp|l~tyrV s]x| Z^ ~ Vyprl~t p tzyV rpy rpyp|l~tyrVZ {nmX ag ba cb cc {nmX ag ba cb cc {nmX ag ba cb cc -34-...
  • Page 35 >a__WcU[S^ <[c >a`V[e[a`Wc h^ qtw~p| m i^nzop m a`^|p}p~ m \ ^ ^ aa^wtrs~ m ab^wznv m ~px{ } tyr xzop }wpp{ splw~s q|p}s ac^sz | l nwznv ~txp| strs_}z ad^strs_}z m strs }zq~ qtw~p| ae^}p~ m wtrs~ wznv ~txp| nwznv |p}p~ nzop...
  • Page 36 >a__WcU[S^ <[c >a`V[e[a`Wc cf^~txp| zy o zy_zqq xzop }wpp{ splw~s q|p}s nwznv nwznv V lx V V {x V ~txp| strs_}z qtw~p| wtrs~ wznv |p}p~ nzop V}p~V j lx zy_zqq wno Y ~txp|\ }wpp{ } tyr ~px{ xzop } tyr xzop }wpp{ splw~s...
  • Page 37 >a__WcU[S^ <[c >a`V[e[a`Wc ~px{ strs l ~z zy_zqq nzzw t spl~ [b n [b n\ wnoZ b^~txp| ~txp| ~txp| ~txp| ~px{ } t y r xzop }wpp{ ~txp| zy ~txp| zqq splw~s q|p}s nwznv ~txp| ~txp| s tr strs_}z qtw~p| wtrs~ wznv |p}p~...
  • Page 38 >a__WcU[S^ <[c >a`V[e[a`Wc ~px{ } tyr xzop }wpp{ splw~s q|p}s nwznv ~txp| strs_}z qtw~p| wtrs~ wznv |p}p~ nzop -38-...
  • Page 39 >a__WcU[S^ <[c >a`V[e[a`Wc UNS lx x xvx| x l`MPQ dy {x | xw x t w | | {x x x xvx| x L x {x x x xvx| x l`MPQ t w {x x x slMcWQ xt | x {x x N n{x | t t | x xvx| x t w...
  • Page 40 >a__WcU[S^ <[c >a`V[e[a`Wc **/+00 0+1 .-1/.,,+/ -40-...

  • Page 41: Refrigerant Circuit

    >a__WcU[S^ <[c >a`V[e[a`Wc 6. Refrigerant circuit 1=-/-682810 /,Q>S P>FPA 5FA?NLIG>CHANE? .,Q>S MNIJ P>FPA P>FPA 3>JEFF>LS 4EM?D>LCEHC C>M 9EF MAJ>L>NIL NAGJAL>NOLA <O?NEIH MAHMIL NAGJAL>NOLA :LAMMOLA MQEN?D 3>JEFF>LS MAHMIL 3IGJLAMMIL 7>M +FEKOE@ MAJ>L>NIL ;ABLECAL>HN 9ON@IIL DA>N MNIL>CA AR?D>HCAL @APE?A 6EFNAL 5FA?NLIHE? -,Q>S MNIJ P>FPA ARJ>HMEIH 5P>JIL>NEHC 4ABLIMNEHC...
  • Page 42 >a__WcU[S^ <[c >a`V[e[a`Wc AU48* -42-...

  • Page 43: Installation Instruction

    >a__WcU[S^ <[c >a`V[e[a`Wc 7. Installation instruction 7.1 Outdoor installation 7.1.1 The combination method will take AU48NFIBIA as an example as below: ADMISSIBLE COMBINATION EXAMPLES OF MULTIFLEX INVERTER REAL COOLING CAPACITY(OF EACH UNIT IN REAL HEATING CAPACITY(OF EACH UNIT IN Type of INDOOR UNITS CIRCUIT TOTAL TOTAL COMBINATION)
  • Page 44 >a__WcU[S^ <[c >a`V[e[a`Wc REAL COOLING CAPACITY(OF EACH UNIT IN REAL HEATING CAPACITY(OF EACH UNIT IN Type of INDOOR UNITS CIRCUIT TOTAL TOTAL COMBINATION) COMBINATION) （e.g:07 stands for 7000BTU/h unit ） COOLING HEATING CAPACITY CAPACITY 07 07 07 24 09 1.78 1.78 1.78 6.33...
  • Page 45 >a__WcU[S^ <[c >a`V[e[a`Wc REAL COOLING CAPACITY(OF EACH UNIT IN REAL HEATING CAPACITY(OF EACH UNIT IN Type of INDOOR UNITS CIRCUIT TOTAL TOTAL COMBINATION) COMBINATION) （e.g:07 stands for 7000BTU/h unit ） COOLING HEATING CAPACITY CAPACITY 07 07 14 12 2.41 2.41 4.95 4.22 2.76...
  • Page 46 >a__WcU[S^ <[c >a`V[e[a`Wc REAL COOLING CAPACITY(OF EACH UNIT IN REAL HEATING CAPACITY(OF EACH UNIT IN Type of INDOOR UNITS CIRCUIT TOTAL TOTAL COMBINATION) COMBINATION) （e.g:07 stands for 7000BTU/h unit ） COOLING HEATING CAPACITY CAPACITY 09 09 09 14 3.06 3.06 3.06 4.82 3.50...
  • Page 47 >a__WcU[S^ <[c >a`V[e[a`Wc REAL COOLING CAPACITY(OF EACH UNIT IN REAL HEATING CAPACITY(OF EACH UNIT IN Type of INDOOR UNITS CIRCUIT TOTAL TOTAL COMBINATION) COMBINATION) （e.g:07 stands for 7000BTU/h unit ） COOLING HEATING CAPACITY CAPACITY 12 12 14 12 3.36 3.36 3.93 3.36 3.84...
  • Page 48 >a__WcU[S^ <[c >a`V[e[a`Wc REAL COOLING CAPACITY(OF EACH UNIT IN REAL HEATING CAPACITY(OF EACH UNIT IN Type of INDOOR UNITS CIRCUIT TOTAL TOTAL COMBINATION) COMBINATION) （e.g:07 stands for 7000BTU/h unit ） COOLING HEATING CAPACITY CAPACITY 14 14 09 5.31 5.31 3.37 6.07 6.07 3.85...
  • Page 49 >a__WcU[S^ <[c >a`V[e[a`Wc REAL COOLING CAPACITY(OF EACH UNIT IN REAL HEATING CAPACITY(OF EACH UNIT IN Type of INDOOR UNITS CIRCUIT TOTAL TOTAL COMBINATION) COMBINATION) （e.g:07 stands for 7000BTU/h unit ） COOLING HEATING CAPACITY CAPACITY 18 14 14 5.50 4.25 4.25 6.28 4.86 4.86...
  • Page 50 >a__WcU[S^ <[c >a`V[e[a`Wc REAL COOLING CAPACITY(OF EACH UNIT IN REAL HEATING CAPACITY(OF EACH UNIT IN Type of INDOOR UNITS CIRCUIT TOTAL TOTAL COMBINATION) COMBINATION) （e.g:07 stands for 7000BTU/h unit ） COOLING HEATING CAPACITY CAPACITY 24 12 07 07 6.81 3.36 1.92 1.92 7.78...
  • Page 51 >a__WcU[S^ <[c >a`V[e[a`Wc 7.1.2 Piping dimension chart liquid pipe gas pipe model inch inch AU48 9.52 3/8" 19.05 3/4" AB09 6.35 1/4" 9.52 3/8" AB14 6.35 1/4" 12.7 1/2" AB18 9.52 3/8" 15.88 5/8" AC14 9.52 3/8" 15.88 5/8" AC18 9.52 3/8"...
  • Page 52 >a__WcU[S^ <[c >a`V[e[a`Wc FQG-B180 gas pipe heat preservation material liquid pipe heat preservation material Refrigerant pipes between manifold pipes Total refrigerating amount of indoor unit Gas side Liquid side group after the manifold pipe Less than 38220Btu/h 15.9 9.52 38220~61157Btu/h 19.05 9.52 61157~126137Btu/h...
  • Page 53 >a__WcU[S^ <[c >a`V[e[a`Wc In the file, the figure marked with "√" is permitted, and the figure marked with "×" is prohibited. You can confirm the position according to the actual condition. The refrigerant flow direction is always from the collective side to the divided side. horizontal horizontal floor surface...
  • Page 54 >a__WcU[S^ <[c >a`V[e[a`Wc Instructions for the Electrical Expansion Valve Boxes The E.E.V.B. general information for H-MRV indoor units. 1. Installation position 0° wiring connector 360° liquid pipe in/out 180° 0° Z: vertical direction X, Y: horizontal direction 2. Installation place The box should be installed where the place: a.
  • Page 55 >a__WcU[S^ <[c >a`V[e[a`Wc MP3、MP2 Electronic Expansion Valve Box figure: Connect with indoor liquid pipe Cover Bottom 80mm Fetch out the power line and the connecting line. Pay attention to fix firmly with wiring clamp. Connect with outdoor liquid pipe MP3、MP2 installation dimension: MP3（MP2）installation procedure：...
  • Page 56 >a__WcU[S^ <[c >a`V[e[a`Wc Inner Outer diameter Note: Cutoff the pipe of standard diameter 6.35mm 6.35mm accessories according indoor distribute pipe diameter, then connect it with MP3 For example: Outer diameter 6.35mm Inner diameter 9.52mm 9.52 Wax sealed Connect with pipe diameter 9.52mm on liquid side B、MP3(MP2) device installation position a、MP3(MP2) device should be counted on the vertical wall, maintenance cover panel...
  • Page 57 >a__WcU[S^ <[c >a`V[e[a`Wc 7.1.4 Piping length and drop between units Haier 1) When connected with 8 units,indoor units refer to <admissible combination examples> 2) Total length=l1+l2*2+l3*4+l4*4+l5*4<=100m 3) Max. piping length =(l1+l2+l3+l5)<=70m 4) Max. piping length between the indoor unit and the first branch pipe<=30m 5) Max.
  • Page 58 >a__WcU[S^ <[c >a`V[e[a`Wc 7.1.5 Combination example: 8 by 1: AS06 Haier AS06 electronic expansion valve AS06 AS06 AS06 AS06 AE07 AE07 NOTE: 1.When AU48 unit is connected with 8 indoor units, pay attention that the total capacity of indoor units must not exceed 130% of outdoor cooling capacity.
  • Page 59 >a__WcU[S^ <[c >a`V[e[a`Wc Combination examples A. 6 by one AS09 (or other 9000BTU units) AS09 (or other 9000BTU units) Haier AS09 (or other 9000BTU units) AU48- AS09 (or other 9000BTU units) AS09 (or other 9000BTU units) Expansion valve AS09 (or other 9000BTU units) B.
  • Page 60 >a__WcU[S^ <[c >a`V[e[a`Wc C. 4 by one AP18(or other 18000BTU,14000BTU units) Haier AB09(or other 9000BTU,12000BTU units) AU48- AS09(or other 9000BTU,12000BTU units) AC18(or other 18000BTU,14000BTU units) D. 3 by one Haier AP18(or other 18000BTU units) AU48- PMV 1 AS09 (or other 9000,12000BTU units)
  • Page 61 >a__WcU[S^ <[c >a`V[e[a`Wc 7.1.6 cqhflen dprm eog aelo bplots lo `ostennetlpo deroloj ,ROFKD FKPQ>II>QFLKn FC OBCOFDBO>KQ ~CQBO CFKFPEFKD FKPQ>II>QFLKn @LKCFOJ IB>H>DB L@@ROPn Q>HB SBKQFI>QFLK QEB OBCOFDBO>KQ D>P ALBP KLQ IB>Hp JB>PROBJBKQ FJJBAF>QBIVp 0C QEB OBCOFDBO>KQ D>P IB>HP FK QEB ~P PLLK >P QEB IB>HBA OBCOFDBO>KQ OLLJn LK@B FQ JBBQP EB>QBOn ?ROKBO D>P JBBQP CFOBn MLFPLKLRP D>P TFII >KA D>P PQLSB BQ@p CFOB PLRO@Bn QEB...
  • Page 62 >a__WcU[S^ <[c >a`V[e[a`Wc ;EBK RPFKD ?O>K@E MFMBn MIB>PB FKPQ>II FQ >P PELTK FK QEB CLIILTFKD .FDp .ILT AFOB@QFLK .ILT AFOB@QFLK LC OBCOFDBO>KQ LC OBCOFDBO>KQ ;OLKD +LOOB@Q ;OLKD +LOOB@Q /LOFWLKQ>I AFOB@QFLK :BOQF@>I AFOB@QFLK +LKKB@QFKD AFOB@QFLK +RQQFKD M>OQ LC ?O>K@E MFMB +RQ QEB @LKKB@QFLK M>OQ LCC @BKQO>IIVn >KA OBJLSB QEB ?ROPp +RQ LCC FK JFAAIB .LO QEB @RQQFKD LC ?O>K@E MFMBPn FQ FP KB@BPP>OV QL RPB JF@OLo@RQQBOp /B>QFKD FKPRI>QFLK LC MFMBP...
  • Page 63 >a__WcU[S^ <[c >a`V[e[a`Wc 7.1._ fkvw sl qkhphmk hlwku youorm ysup ov lorovnkj ~DRCP AMLLCARGML MD RFC PCDPGECP?LR NGNCQn A?PPW MSR JC?I?EC RCQRp 0L RFGQ RCQRn NPCQQSPGXC RM RFC NGNCQ ?Q QFMUL GL RFC @CJMU DGESPC @W SQGLE LGRPMECL R?LIp +JMQC RFC T?JTCQ MD RFC E?Q QGBC ?LB JGOSGB QGBC RMR?JJWp 9FC LGRPMECL K?W CLRCP RFC AWAJC QWQRCK MD RFC MSRBMMP SLGRn QM RF?Rn @CDMPC NPCQQSPGXGLEn RFC T?JTC PMBQ KSQR @C D?QRCLCBp l*MRF RFC E?Q QGBC ?LB JGOSGB QGBCmp .MP C?AF MD RFC PCDPGECP?LR QWQRCKn NPCQQSPGXC DPMK RFC BGQAF?PEC T?JTC MD E?Q QGBC GL NPMACBSPCp...
  • Page 64 >a__WcU[S^ <[c >a`V[e[a`Wc 60>57;5 <4 >34>753>0;@ 091A90@7<; :3@6<2 -64-...
  • Page 65 >a__WcU[S^ <[c >a`V[e[a`Wc 7.1.9 Refrigerant QRU Y[cigWa W_g YdcZ_i_dc[g jh[h g[\g_][gWci :RGCIN:A T^_h g[\g_][gWci _ih[a\ _h _ccdYjdjh?cdc@YdbXjhi_Xa[ hW\[in g[\g_][gWciA Mji i^[c? l^[c WggWc]_c] i^[ W_g YdcZ_i_dc[g [fj_eb[ci? _i _h c[Y[hhWgn id iW`[ hdb[ hi[eh id iW`[ g[YWji_dch W]W_chi _c YWh[ d\ i^[ _cZddgh g[\g_][gWci a[W`W][A SjY^ Wh?i^[ gddb h_o[ h^Waa X[ iW`[c _cid WYYdjci id Wkd_Z bW`_c] i^[ YdcY[cigWi_dc d\ i^[ g[\g_][gWci cdi [mY[[Z i^[ YdcY[cigWi_dc a_b_i WcZ di^[g g[a[kWci hi[ehA T^[ YdcY[cigWi_dc a_b_i _h i^[ YdcY[cigWi_dc i^Wi _h cdi ^Wgb\ja id ^jbWc XdZn WcZ YWc iW`[ [b[g][cYn hi[eh id ig[Wi i^[ YdcY[cigWi_dc d\ Pg[dcA NdcY[cigWi_dc a_b_i d\ RGCINJ CAF`]BbF...

  • Page 66: Electrical Wiring

    >a__WcU[S^ <[c >a`V[e[a`Wc 7.1.10 Electrical wiring 1. The system uses one two-core communication wire, all of the indoor communication wires are connected to this wire in parallel. “C1”, “C2” are non-polar, when wiring, please pay attention that they must be separate with the power wire, in order not to make the interfering signal.
  • Page 67 >a__WcU[S^ <[c >a`V[e[a`Wc 7.2.1 7.2 :;DD=EE= >@<AAC F@>E259I683 *. ,0-/ -67-...
  • Page 68 >a__WcU[S^ <[c >a`V[e[a`Wc -- -68-...
  • Page 69 >a__WcU[S^ <[c >a`V[e[a`Wc -69-...
  • Page 70 >a__WcU[S^ <[c >a`V[e[a`Wc -70-...
  • Page 71 >a__WcU[S^ <[c >a`V[e[a`Wc 7.3 Convertible indoor unit(14~18) Standard accessories: Accessory parts The following installation parts are furnished. Qty. Use them as required. Remote controller Battery Wire clamp Heat insulation sheathing Screw Screw cap Remote controller bracket Pipe connection requirement Please refer to the specification to confirm the stop valve diameter and the permitted pipe drop and pipe length. INSTALLATION PROCEDURE (Fig.
  • Page 72 >a__WcU[S^ <[c >a`V[e[a`Wc (Fig. 4) (Fig. 5) 99cm Wall 50cm 24.5cm Wall bracket 10cm Side of set Indoor unit outdoor unit 6.5cm 7cm hole For series 14,18,24 when installing set to wall, install 3.5cm hole the accessory wall bracket at the position shown in Fig.5,and mount the set to it.
  • Page 73 >a__WcU[S^ <[c >a`V[e[a`Wc 1. DRILLING FOR PIPING Select piping and drain directions. (Fig.11) (Fig. 11) Rear (Install the drain hose in the direction.) Right CAUTION Install the drain hose at the rear; it should not be installed on the top or right side. 2.
  • Page 74 >a__WcU[S^ <[c >a`V[e[a`Wc (Fig. 15) Hex bolt 8 to 13mm Indoor unit (Fig. 16) Apply the indoor unit to the brackets.(Fig.16) Bracket Bolt Indoor unit Now, securely tighten the hex bolts in both sides. 5. INSTALL THE DRAIN HOSE Select whether the drain hose will be connected to the left or right side.(Fig.3) Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener.(Fig.6) Wrap the insulation (drain hose)around the drain hose connection.(Fig.7) Be sure to arrange the drain hose correctly so that it is leveled lower than the drain hose connecting port of the...
  • Page 75 >a__WcU[S^ <[c >a`V[e[a`Wc B. For strand wiring(Fig.19B) (1) Cut the wire with a wire cutter or wire-cutting pliers, then strip the insulation to about 10mm of the exposed strand wiring. (2) Using a screwdriver, remove the terminal screw(s)on the terminal board. (3) Using a round terminal fastener or pliers, securely clamp a round terminal to each stripped wire end.
  • Page 76 >a__WcU[S^ <[c >a`V[e[a`Wc 1. INDOOR UNIT SIDE (1) Remove the electric component box. (Fig. 21) (Fig. 22) Electric component box CAUTION Do not remove the screws. If the screws are removed, the electric component box will fall. Remove the four tapping screws. (2) Pull out the electric component box.

  • Page 77: Test Running

    >a__WcU[S^ <[c >a`V[e[a`Wc (4) Wiring (1) Remove the cord clamp. (2) Process the end of the connection cords to the dimensions shown in Fig.25. (3) Connect the end of the connection cord fully into theterminal block. (4) Fasten the connection cord with a cord clamp. (5) Fasten the end of the connection cord with the screw.
  • Page 78 >a__WcU[S^ <[c >a`V[e[a`Wc (Fig. 26) Cover plate (Right) (2) Join the cover plates (right) and mount with screws. (Fig. 27) Cover plate (Left) 2. Mount the cover plate.(Left) (1) Join the cover plate (left) and mount with screws. (Fig. 28) 3.
  • Page 79 >a__WcU[S^ <[c >a`V[e[a`Wc . - 5QAP GKBLLN QKGP (AE072FCBKA~AE242FCBKA) 9KOP?II?PGLK OM?AC <FC DLIILRGKE MLGKPO OFLQIB @C P?HCK A?NC LD1 2DPCN OCICAPGKE PFC GKOP?II?PGLK OM?AC MNLACCB PFC DLIILRGKE OPCMO1 -79-...
  • Page 80 >a__WcU[S^ <[c >a`V[e[a`Wc -80-...
  • Page 81 >a__WcU[S^ <[c >a`V[e[a`Wc 4?QPGLK -81-...
  • Page 82 >a__WcU[S^ <[c >a`V[e[a`Wc -82-...
  • Page 83 >a__WcU[S^ <[c >a`V[e[a`Wc 2AACOOLNS ?O DLIILR1 -83-...

  • Page 84: Selection Of Installation Place

    >a__WcU[S^ <[c >a`V[e[a`Wc 7.5 Installation of indoor unit (AF07/09) Selection of installation place Place where it is easy to route drainage pipe and outdoor piping. Place ,away from heat source and with less direct sunlight. Place where cool and warm air could be delivered evently to every corner of the room.
  • Page 85 >a__WcU[S^ <[c >a`V[e[a`Wc Outdoor side Indoor side Wall hole Thickness of wall 70mm (Cross section of wall hole) (1)Schematic diagram for unit connection Flared pipe connection 3-way Valve Indoor unit Outdoor uint Indoor unit 2-way Valve (2) Connection pipe dimensions: Pipe Value Torque 18 N .

  • Page 86: Electric Wiring

    >a__WcU[S^ <[c >a`V[e[a`Wc According to the piping method, connect the piping on indoor unit with union of connection pipe. Arrange the piping as per the wall hole and bind drain hose connecting electric cable and piping together with polyethylene tape. Insert the bound piping connecting electric cable and drain hoes through wall hole to connect with outdoor unit.
  • Page 87 >a__WcU[S^ <[c >a`V[e[a`Wc Others 1.Power supply requirements: Voltage: single-phase1PH,220-230V~,50Hz Dedicated electrical cable should be installed by a qualified technician in accordance with the state regulation for electrical engineering. The power source must be grounded. A circuit breaker must be installed Electrical cables should be connected by “Y”...
  • Page 88 >a__WcU[S^ <[c >a`V[e[a`Wc 7.6 Installation for AS07~18 Please read these "Safety Precautions" first then accurately execute the installation work. The precautionary points indicated herein are divided under two headings: WARNING and CAUTION those points which are related to the strong possibility of an installation done in error resulting in death or serious injury are listed in the WARNING section.
  • Page 89 >a__WcU[S^ <[c >a`V[e[a`Wc PRECAUTION Execute proper grounding. Do not connect the earth wire to a gas pipe, water pipe, lightening rod, or a telephone ground wire. Improper placement of earth wires can result in electric shock. An electric leakage breaker must be installed, otherwise electric shock or other accidents would occur.
  • Page 90 >a__WcU[S^ <[c >a`V[e[a`Wc 1.Accessories Confirm accessories shown below are attached in the bag with this Installation manual. Accessories Delivered with Your Air Conditioner Please check if your unit is delivered with the following accessories. Cement Expansion Piping hole Screw Plastic Remote Batteries Mounting plate...
  • Page 91 >a__WcU[S^ <[c >a`V[e[a`Wc When the mounting plate is firstly fixed 1. Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be fixed against the wall, then temporarily fasten the plate with one steel nail. 2.
  • Page 92 >a__WcU[S^ <[c >a`V[e[a`Wc Other direction piping Cut away, with a nipper, the lid for piping according to the piping direction and then bend the pipe according to the position of wall hole. When bending, be careful not to crash pipes. Connect beforehand the indoor/outdoor electric cable, and then pull out the connected to the heat insulation of connecting part specially.
  • Page 93 >a__WcU[S^ <[c >a`V[e[a`Wc Fig. 18 Screw with special washer Insulation tube Screw with Cord clamp special washer Round terminal Round Terminal terminal board Wire Wire Use VW-1, 0.5 to 1.0 mm thick, PVC tube as the insulation tube. Check the Layout of the Drain Pipe and Connection Wires The drain pipe should be placed underneath, and the connection wires should be placed upside;...
  • Page 94 >a__WcU[S^ <[c >a`V[e[a`Wc -.581= 58099; >85= -94-...
  • Page 95 >a__WcU[S^ <[c >a`V[e[a`Wc *8<=-66-=598 92 -8=5 2-66 :6-=1 *8<=-66-=598 92 + <4-:10 71=-6 ,5:583 /9881/=598 -95-...
  • Page 96 >a__WcU[S^ <[c >a`V[e[a`Wc ,5:583 /9881/=598 92 9>=099; >85= ,>;3583 71=490 @=;- /4-;3583 -79>8= 92 =41 ;12;531;-8= -96-...
  • Page 97 >a__WcU[S^ <[c >a`V[e[a`Wc 61/=;5/ ?5;583 -97-...
  • Page 98 >a__WcU[S^ <[c >a`V[e[a`Wc 8. Electric control functions 8.1 Electric control functions of AU242FHBHA and AU482FIBHA 1. Startup control of compressor 1) Protection at startup In order to prevent the constant startup of compressor, and keep the pressure balance of the system, within 3 minutes after compressor shuts off, please do not enter the thermostat OFF state, 3 minutes later, if the unit is at thermostat ON state, the compressor can re-start up.
  • Page 99 >a__WcU[S^ <[c >a`V[e[a`Wc 9. Heat exchanger temperature sensor TE, which will work in defrosting 1) According to temp. measured by TE, make the defrosting operation. 2) According to temp. measured by TE, make the fan speed control in heating. 10. Oil return operation in cooling When indoor unit receives oil return signal, oil return operation will begin.
  • Page 100 >a__WcU[S^ <[c >a`V[e[a`Wc 8.2 Electric control functions of AU48NFIBIA 1. Capacity control of compressor Operation mode: entering earlier in prior, cooling and heating can not operate simultaneously. In cooling, the output frequency of the transducer depends on the indoor capacity request and the outdoor ambient temperature;...
  • Page 101 >a__WcU[S^ <[c >a`V[e[a`Wc Changing speed of overheat value（K/10sec） ≤-2 ≥2 ≤-5 tolerance ≥5 3.3 Adjust valve speed X: according to the last open angle, calculation interval is 10 seconds. 4. Outdoor fan motor control 4.1 Compressor shutoff, after the outdoor motor blow the remaining heat at low speed, the unit will shut off.
  • Page 102 >a__WcU[S^ <[c >a`V[e[a`Wc If Ta ≤27℃, when compressor stops, electric heater is electrified on. When Ta ≥32℃, or compressor starts up, electric heater is not electrified. 6. Defrost control In heating mode, the defrosting sensor Te will check the frost state of outdoor heat exchanger, to control defrosting function.
  • Page 103 >a__WcU[S^ <[c >a`V[e[a`Wc 9.1 According to the temperature measured by Td, the unit will adjust compressor frequency when discharging temperature is overheat. When spraying refrigerant cannot efficiently decrease discharging temperature, the system will make decrease-frequency protection. 9.2 When Td is over 110℃, the frequency will reduce 10Hz for every 120 seconds. When the output frequency has become the low limit, Td is still over 110℃, the unit will stop.
  • Page 104 >a__WcU[S^ <[c >a`V[e[a`Wc will resume, but in 3 minutes of compressor standby, alarm will exist. 13. Jumping frequency point design Avoiding the frequency point of pipe vibration, we design the jumping frequency function. 13.1 4 jumping frequency points F0; 1 jumping frequency range ∆F. 13.2 The point value and the jump rang will be saved in EEPROM.
  • Page 105 >a__WcU[S^ <[c >a`V[e[a`Wc 8.3 Indoor unit electric control functions 1. Cooling mode 1.1 Temperature control range: 16℃~30℃, and the precision is ±1℃ 1.2 Characteristic of electronic expansion valve (EEV) After EEV opens (base angle is 200), in 5 minutes, it will not be controlled by thermostat OFF, but controlled by the overheat value.
  • Page 106 >a__WcU[S^ <[c >a`V[e[a`Wc Closing the cycle can avoid indoor freezing. When the temperature measured by the indoor coil temperature coil is too low, the unit will enter anti-freezed operation and be set under the below conditions. Anti-freezed operation start condition: If accumulative operation time is over 10 minutes at one temperature, the system will make the thermostat OFF compulsorily until the anti-freezed function can reach stop condition.
  • Page 107 >a__WcU[S^ <[c >a`V[e[a`Wc Fan speed adjustment by hand: when unit is running, you can set High/Med/Low/Auto speed due to request. 3.4 Temperature compensation In 5 minutes of first startup(or cancel temp. compensation for the first time), 4℃ temp. compensation is cancelled.
  • Page 108 >a__WcU[S^ <[c >a`V[e[a`Wc Timer OFF: When startup, timer LED is on, when timer is over, the timer LED is off and meanwhile, the unit stops. Timer ON/OFF: When both of TIMER ON/OFF be set, timer LED is on. 5.3 Emergent switch For some remote control type unit, there is an emergent switch.
  • Page 109 >a__WcU[S^ <[c >a`V[e[a`Wc 5.8 Indoor communication abnormal In the following cases, indoor unit will alarm: 1) indoor unit can not communicate with the exterior in 3 minutes 2) If indoor unit can not communicate with EEV in 30 seconds 3) If two indoor units have the same unit numbers, both of them will alarm 5.9 Time-shorting function After being powered on, make a jumper for the port “TEST PROGRAM”...
  • Page 110 OUTDOOR WIRING DIAGRAM FOR AU242FHBHA 0010570134 FAN MOTOR COMPRESSOR SOLENOID VALVE M M M M M M M M 4-WAY WALVE CAPACITOR N N N N CN10 L L L L 1PH 220V ~/50Hz CURRENT TEST CN21 POWER RELAY FUSE CN11 CN12 B B B B...

  • Page 111: Control Board

    OUTDOOR WIRING DIAGRAM FOR AU48NFIBIA 0010574131 4-WAY HEAT OX-P CN209 CN205 CN210 CN208 CN207 CN206 2 3 4 CN303 CN308 CN307 JP301 RY206 RY205 RY204 RY203 RY202 Tsink CN301 CN311 RY201 CN202 CN312 CN313 RY209 CN302 CN314 RY208 FAN1 Control Board Power Supply Board...
  • Page 112 OUTDOOR WIRING DIAGRAM FOR AU482FIBHA 0010573535 Filter CN18 Board CT1 Power Module Break SW06 SW07 Compressor SW05 SW04 Filter Capacitor SW01 SW02 CN14 CN12 Compressor Overheat SW03 Protection CN13 CN16 CN10 RL10 CN15 CN11 CN14 Fuse Motor Motor 1 2 3 CN6 CN5 CN4 CN3 Pressure...

  • Page 113: Indoor Pcb

    9.2 Indoor unit AB092/142/182FCBHA INDOOR WIRING DIAGRAM 0010570136 ELECTRO-EXPANSION VALVE CN16 CN18 INDOOR PCB ROOM TEMP.SENSOR TEST CN17 GAS PIPING SENSOR serial LIQUID PIPING SENSOR FUSE T3.15A/250V FLOAT SWITCH CN15 CN13 CN14 CN10 CN12 CN11 SIGNAL RECEIVER BOARD CAPACITOR W: WHITE B: BLAK R: RED BL:BLUE...
  • Page 114 AC142/182FCBHA INDOOR WIRING DIAGRAM 0010570137 GAS PIPING TEMP.SENSOR LIQUID PIPING TEMP.SENSOR ROOM TEMP.SENSOR SIGNAL RECEIVER BOARD LOUVER MOTOR INDOOR PCB CN10 LOUVER MOTOR TEST CN12 TEMP.COMPENSATION 250VAC,3.15A ELECTRO-EXPANSION VALVE CAPACITOR FAN MOTOR NOTE: WHEN INSTALLATION IN UNDER CEILING ,DIAL SWITCH SW2 IN PC BOARD TO OFF POSITION.WHEN INSTALLATION IN FLOOR R: RED W: WHITE...
  • Page 115 AE07/09/12/14/18/242FCBKA 0010573324 Indoor unit wiring diagram NOTE:The dashed " －－－ "in indoor controll board is electronic expansion valve PCB inner wiring. for built-in EEV type About control board outer connector: In the diagram,gas pipe temp. sensor,liquid pipe temp. sensor,indoor fan motor,transformer are necessary parts Wired controller,receive 1 2 3...
  • Page 116 >a__WcU[S^ <[c >a`V[e[a`Wc Electronic expansion valve wiring diagram FUSE T3.15A/250VAC CN1 live wire 1 CN2 neutral wire 1 control board CN3 COM1 electronic live wire 2 CN4 expansion CN7 live wire 3 neutral wire 2 valve 3 CN8 neutral wire 3 COM2 CN6 CN9 COM3 CN15 valve 3...
  • Page 117 INDOOR WIRING DIAGRAM FOR AF092/122FCBHA ELECTRONIC EXPANSION VALVE 0010571510 TOP LOUVER MOTOR SPACING SWITCH AMBIENT TEMP. SENSOR CN16 CN14 CN11 CN15 GAS PIPING TEMP. SENS0R BOTTOM LOUVER MOTOR CN12 CN13 LIQIUD PIPING TEMP. SENS0R OPTIONAL BOARD BOTTOM FAN MOTOR CN17 RECEIVING TOP FAN MOTOR BOARD...
  • Page 118 >a__WcU[S^ <[c >a`V[e[a`Wc AS07/09/12/14/182FCBHA INDOOR WIRING DIAGRAM 0010573625 VIEW A TRANSFORMER Display Bar FAN MOTOR VIEW A ELECTROMAGNETIC VALVE BOX CN11 CN13 CN10 CN12 EMERGENCY SWITCH Control Board CN14 LIQUID PIPE TEMP. SENSOR SW01 ROOM TEMP. SENSOR GAS PIPE TEMP. SENSOR STEPPING MOTOR EARTHING...
  • Page 119 >a__WcU[S^ <[c >a`V[e[a`Wc INDOOR WIRING DIAGRAM FOR AP182FABHA 0010540813 GAS PIPE TEMP. SENSOR ROOR TEMP. SENSOR LIQUID PIPE TEMP. SENSOR CONTROL PANEL TERMINAL BLOCK SS/TEST CONNECTED WITH OUTDOOR 250V /3.15A UNIT SERIAL FUSE POWER SUPPLY HEALTH1 1PH.220-230V~.50Hz HEALTH2 ELECTRONIC EXPANSION VALVE COLOR DESCRIPTION BLACK ORANGE...
  • Page 120 AU242FHBHA PCB circuit diagram -120-...
  • Page 121 AU242FHBHA PCB top layer printed diagram -121-...
  • Page 122 AU242FHBHA PCB bottom layer printed diagram -122-...
  • Page 123 Main parts of AU242FHBHA PCB: part name specs position carbon-film resistance RT14-1Ω±5% carbon-film resistance RT14-10Ω±5% carbon-film resistance RT14-100Ω±5% carbon-film resistance RT14-330Ω±5% R8,R9,R10,R11, carbon-film resistance RT14-680Ω±5% R12,R14~R16,R20,R21 carbon-film resistance RT14-1KΩ±5% ,R23,R26,R31,R32,R33 ,R39~R43, carbon-film resistance RT14-2KΩ±5% R50, R56, R57, R58 carbon-film resistance RT14-3KΩ±5% R24,R34,R35, carbon-film resistance...
  • Page 124 radiator 4F25(including screws) porcelain crystal oscillator CST10.00MTW-TF01 porcelain crystal oscillator CSA4.00MG touch switch JTP1230A,6*6*5,H=5 OJE-SH-112DM/OJE-SH-112LM/JQ1a- relay DC12V relay PCH-112D2H/G5S-1/JQ1-DC12V discharging tube RA362M-V7-Y current mutual inductance 0057W round rectifier 2W04,1A-50V fuse 250VAC3.15A fuse holder fuse sleeve fuse 30A-250V switch transformer BCK-20-1N EMI filter T38001 power relay...
  • Page 125 AU242FHBHA PCB ports name and functions: Port name Functions IPM-OUT IPM output control wire IPM-POWER To 4-way 15V power supply +310V ,GND To 310V DC power supply Fan motor port To fan motor heater To heater connector 4-way valve port To 4-way valve Power supply live wire To live wire...
  • Page 126 AU482FIBHA high voltage PCB circuit diagram -126-...
  • Page 127 AU482FIBHA high voltage PCB printed diagram -127-...
  • Page 128 Main parts of AU482FIBHA high voltage PCB: part name specs position jumper 5×0.6 jumper 10×0.6 W4~W8,W11~W14 jumper 15×0.6 W1,W3,W9 carbon-film resistance RT14-1Ω±5% R25,R26 carbon-film resistance RT14-1KΩ±5% R19,R20 carbon-film resistance RT14-2KΩ±5% R4,R7,R10,R13,R16,R30 carbon-film resistance RT14-20Ω carbon-film resistance RT14-4.7KΩ R5,R6,R8,R9,R11,R12,R14,R metal-film resistance RT14-560Ω-1/4W 15,R17,R18，R21 carbon-film resistance...
  • Page 129 constant voltage chip MC78L15/ST78L15 socket B2P2-VH（white） socket B2P3-VH(white) socket B2P3-VH（green） socket B2P3-VH（blue） socket CN5,CN14 B2P3-VH（yellow） socket B2P3-VH（red） socket B2P3-VH(black) CN18 socket B2P4-VH(black) CN9,CN10 socket B10B-XH-A(white) CN12 socket SV40-05WS(grey) CN13 -129-...
  • Page 130 AU482FIBHA low voltage PCB circuit diagram CN20 CN18 CD10 CD11 CD12 XC25-02WS 100UF/25V 100UF/25V 100UF/25V 100UF/25V B2P3-VH 5.1V 5.1V 100K 100K 5.1V 5.1V SW02 DTD123 IC11 MM1007 +12v SW01 100U/25V 10K*8 10K*6 TMP87P846N DIP-2 100UF/25V BR93LC46 8MHz S8550 RFLED IC10 1N4148 S8550 RFLED...
  • Page 131 AU482FIBHA low voltage PCB printed diagram -131-...
  • Page 132 Main parts of AU482FIBHA low voltage PCB: part name specs position carbon-film resistance RT14-10Ω±5% R11,R13 carbon-film resistance RT14-100Ω±5% R5,R6,R7,R8,R9,R10,R39,R46,R48,R49,R5 carbon-film resistance 0,R51,R52,R53,R54,R60,R61,R62,R63,R64, RT14-330Ω±5% carbon-film resistance RT14-1KΩ±5% R20,R21,R22,R23,R24,R25,R28,R32 R1,R2,R3,R4,R26,R29,R30,R31,R33,R34,R carbon-film resistance 35,R36,R37,R38,R40,R41,R42,R43,R44,R4 RT14-10KΩ±5% 5,R47,R55,R56,R57 carbon-film resistance RT14-100KΩ±5% R12,R14,R58,R59 exact resistance RJ14-20KΩ±1% R15,R17,R18,R19 exact resistance RJ14-47KΩ±1%...
  • Page 133 driving chip TD62083AP/ULN2083 NAND gate HD14011BP/TC4011BP power supply monitor PST600D IC3,IC10 constant voltage board MC7805 6F25 single hole, two feet (with 973 radiator screw) matched with IC5 2-pin socket TJC8-2A straight pin CJ1,CJ2 10-pin socket B10B-XH-A(white) CN18 2-pin socket B2B-XH-A(white) 2-pin socket B2B-XH-A(black) 2-pin socket...
  • Page 134 AU482FIBHA PCB ports name and functions: Ports name Functions Low voltage board To indoor communication (forbidden to high voltage Communication port electricity) EEV1 To EEV To CN1 of filter board, used to detect the current To middle of condenser temperature sensor Port of suction temperature sensor TS To suction temp.
  • Page 135 >a__WcU[S^ <[c >a`V[e[a`Wc AU482FIBHA: function specification of SW01, SW02, SW04, SW05, SW06, SW07 Table 1 SW01 SW02 Display of 7 segments LED (LD1,LD2,LD3) FFF shows capability overloading (if capability overloading function is chose) Outdoor diagnosis code when without diagnosis code, display: - - Outdoor running mode cooling: C heating: H...
  • Page 136 >a__WcU[S^ <[c >a`V[e[a`Wc Outdoor fan mode :_1（low speed）,_2（med speed）,_3（high speed） Temperature sensor ON display ON： 1，OFF：-- Four-way valve switched on: ON： 1 Four-way valve not switched on: OFF： _ _ Running mode selection cooling： C, heating: H Dispatch line check cooling ：...
  • Page 137 >a__WcU[S^ <[c >a`V[e[a`Wc temperature, and send it to SW05 outdoor, the other control is similar with normal. Swing trial run Indoor trial swing [set] mode,the control is the same SW01“02”, SW02“05”, press SW04 for more than as swing trial run with remote 2 seconds, after set of trial run success, LD will controller.
  • Page 138 >a__WcU[S^ <[c >a`V[e[a`Wc Outdoor PMV2 Outdoor PMV2 compelled fully [set] fully open, open or close in 2 minutes SW01“3”, SW02“10”, press SW04 for more than closed function 2 seconds [confirmation] in 2 minutes, 7-segment LED of base board I/F will display “FF” all the time [cancel] the control software will recover PMV to normal open degree after 2 minutes （...
  • Page 139 >a__WcU[S^ <[c >a`V[e[a`Wc AU48NFIBIA power module board circuit diagram CN306 CN105 XH9-9°× R108 R1 0 9 R110 R111 R112 R113 C122 PC107 CN103 GNDU GNDU CN201 C110 C111 C112 C113 C114 C115 GNDV TLP521 GNDV 10uF 10uF 10uF 10uF 10uF 10uF R102 20k R103 20k...
  • Page 140 >a__WcU[S^ <[c >a`V[e[a`Wc AU48NFIBIA low voltage board circuit diagram R301 R302 R303 D301 D302 D303 6 - 1N4148 4.7k 4.7k 4.7k R334 CN302 R304 P3.2 R328 R329 R331 10k¦¸ 100k¦¸ 4.7k 10k¦¸ 100¦¸ IC303E IC303D IC303F R305 TXD1 D311 Z301 QP301 R332 R333...
  • Page 141 >a__WcU[S^ <[c >a`V[e[a`Wc AU48NFIBIA filter board circuit diagram -141-...
  • Page 142 >a__WcU[S^ <[c >a`V[e[a`Wc AU48NFIBIA driving board circuit diagram CN201 F202 CN301 3.15A250VAC +12V D212 TR201 CN202 VccU D205 GNDU R209 R210 R207 R208 +12V +5VA +15V +15V 100k/0.5W 100k/0.5W +5VA VccV GNDV GNDA IC201 R246 R247 COMP 4.7k 1.5k +15V R243 XH5-5°×...
  • Page 143 >a__WcU[S^ <[c >a`V[e[a`Wc AU48NFIBIA power module board parts list name specs position part number control PCB101 board A00000011 TLP521 OPTO-4 PC107 PC101 PC102 PC103 PC104 PC105 resistance TLP559 OPTO-8 PC106 diode 1N4148 LL-34 D101 5W47KJ R101 R114 concrete resistance 15W15RJ R115 R116 R117...
  • Page 144 >a__WcU[S^ <[c >a`V[e[a`Wc AU48NFIBIA driving board parts list name specs position part number PCB201 control board A00000012 UC3844 SO-8 IC201 TL431 SO-8 IC202 LM331 DIP-8 IC203 LM358 SO-8 IC204 KST3906 (PNP) SOT-23 QP201 QP202 triode 2222A (NPN) SOT-23 QN201 constant voltage tube 18V ZD201 MOSFET...
  • Page 145 >a__WcU[S^ <[c >a`V[e[a`Wc 100mF/25Vdc C212 C221 C222 C223 C224 Alu electrolytic capacitor 470mF/25Vdc C216 C218 C219 473/25Vdc C207 C208 C211 C215 C217 C227 104/25Vdc C228 C229 C230 222/25Vdc C209 472/25Vdc C210 102/25Vdc C213 C225 chip capacitor 103/25Vdc C226 XH20-10 white CN201 XH5-5 white CN202...
  • Page 146 >a__WcU[S^ <[c >a`V[e[a`Wc AU48NFIBIA power module board parts list part number name specs position control PCB301 A00000013 board chip holder N87C196MH IC301 N87C196MH PLCC IC301 AT93C66 DIP-8 IC302 74HC14 SO-14 IC303 IC304 IC305 LM324 SO-14 IC306 ULN2803A DIP-18 IC307 IC308 MM1007 DIP16 IC309...
  • Page 147 >a__WcU[S^ <[c >a`V[e[a`Wc C313 C314 C315 C316 C317 472/25Vdc C318 C328 chip capacitor C319 C320 C324 C325 C331 104/25Vdc C332 C333 C334 C335 30p/25Vdc C321 C322 103/25Vdc C327 105/25Vdc C329 47µF/25Vdc C301 electrolytic 100µF/25Vdc C307 C308 C309 C310 capacitor 22µF/25Vdc C326 XH5-5 white CN301...
  • Page 148 >a__WcU[S^ <[c >a`V[e[a`Wc AU48NFIBIA PCB ports name and functions Ports Ports name Wiring method R, S, T Power supply ports To power of 3 PH, 380V, 50Hz U, V, W Compressor ports To motor (pay attention to phase sequence) Grounded port Grounding (less than 10Ω;more thanφ1.6mm) If 3 phase, it is connected to neutral wire;...
  • Page 149 >a__WcU[S^ <[c >a`V[e[a`Wc Below we will comment for the functions of some ports and some changes of PCB 0010451530 and 0010451531: 1. Control Board 0010451530 Herein, the control board we are concerned is the board without CPU. Functions for every port are as follows: CN301: port for power supply, connected with CN202 of the power board.
  • Page 150 >a__WcU[S^ <[c >a`V[e[a`Wc hard to be installed, we designed the Control board 3. Now the part number of control PCB is 0010451971 the current edition. Contro l boa rd 3: instead of 0010451530. The new control board(0010451971) also can be used as 0010451530,but the connector "OH"...
  • Page 151 >a__WcU[S^ <[c >a`V[e[a`Wc AB092~182FCBHA PCB circuit diagram: R38 2K 270/2W +5VA 11V-0.5W FR106 9013 CD17 +5V2 18V-0.5W 5.1V-0.5W 5.1V-0.5W SGND 275V-0.01µF R44 100K SGND 5.1V-0.5W 5.1V-0.5W +12V 9013 82K/2W FR106 +5V2 220µF/25V +5V1 +5V2 CD18 +5V2 560K/2W ICE2A265 SGND SGND 100µF/16V CD16 CD15...
  • Page 152 >a__WcU[S^ <[c >a`V[e[a`Wc AB092~182FCBHA PCB printed diagram: -152-...
  • Page 153 >a__WcU[S^ <[c >a`V[e[a`Wc Main parts of AB092,142,182FCBHA PCB: part name specs position carbon film resistance RT14-2Ω R49, R50 carbon film resistance RT14-10Ω R10, R11, R12, R13, R27 carbon film resistance RT14-27Ω carbon film resistance RT14-100Ω R36, R47 carbon film resistance RT14-330Ω...
  • Page 154 >a__WcU[S^ <[c >a`V[e[a`Wc integrated chip TMP87P809N integrated chip 24C02 reverser TD62003AP/ULN2003 IC1, IC8 voltage stabilizing board 7805 power monitor PST600D IC9, IC10 chip MM1007 chip ICE2A265/ 2A165 resistance TLP521 IC11 switch transformer BCK-6-FE-1901 filter LX102 delay type fuse 250VAC/3.15A FUSE1 fuse holder fuse sleeve buzzer...
  • Page 155 >a__WcU[S^ <[c >a`V[e[a`Wc AE**FCBKA PCB circuit diagram: -155-...
  • Page 156 >a__WcU[S^ <[c >a`V[e[a`Wc AE**FCBKA PCB printed diagram: -156-...
  • Page 157 >a__WcU[S^ <[c >a`V[e[a`Wc Main parts of AE072~242FCBKA PCB: part name specs position carbon film resistance RT14-100Ω±5% carbon film resistance RT14-560Ω±5% R9,R35 carbon film resistance RT14-1KΩ±5% R12,R21, carbon film resistance RT14-1.5kΩ±5% R22,R23,R24 carbon film resistance RT14-2kΩ±5% R15,R28,R45 carbon film resistance RT14-4.7kΩ±5% R7,R8,R37,R39,R46,R47 R10,R11,R14,R17,R20,R26,R27,R29,R30,R carbon film resistance...
  • Page 158 >a__WcU[S^ <[c >a`V[e[a`Wc IC chip TD62003AP or ULN2003 IC5,IC6 EEPROM 24C02 IC12 IC chip TLP371 IC chip TLP521-G IC chip LM358N/P/HA17358 IC chip MM1007 power monitor PST600D IC11 IC chip TMP87P809N（OTP） IC chip TMP87PH46N（OTP） socket TJC8-02A straight pin CN21 KET6.3 CN18,CN19,CN20,CN22,CN25 SB20-10WS (white) socket...
  • Page 159 >a__WcU[S^ <[c >a`V[e[a`Wc Ports function of AE*FCBKA functions to outdoor communication terminal block to primary side of transformer to negative ion generator or high-voltage dust collector gas/liquid temp. sensor port electronic expansion valve port pump motor port secondary side of transformer water temp.
  • Page 160 >a__WcU[S^ <[c >a`V[e[a`Wc 10.2 Sensor characteristic model sensor number sensor name sub-sensor number characteristic R25=10KΩ±3% 0010450192 outdoor ambient temp. sensor 001A3800082 B25/50=3700K±3% R25=10KΩ±3% 0010450193 suction temp. sensor 001A3800093 B25/50=3700K±3% R25=10KΩ±3% AU482FIBHA 0010450194 defrosting temp. sensor 001A3800093 B25/50=3700K±3% R25=10KΩ±3% 0010450195 mid-condenser temp. sensor 001A3800093 B25/50=3700K±3% R80=50KΩ±3%...
  • Page 161 >a__WcU[S^ <[c >a`V[e[a`Wc R80=50KΩ±3% R80=50KΩ±3% R25=10KΩ±3% R25=10KΩ±3% B25/80=4450K±3% B25/80=4450K±3% B25/50=3700K±3% B25/50=3700K±3% T(℃) Rnom(KΩ) T(℃) Rnom(KΩ) T(℃) Rnom(KΩ) T(℃) Rnom(KΩ) 11600 536.6 90.79 6.95 -20℃ 10860 511.1 85.72 6.68 10170 486.9 80.96 5.43 9529 76.51 8932 442.3 72.33 5.59 8375 421.7 68.41 5.73 7856...
  • Page 162 >a__WcU[S^ <[c >a`V[e[a`Wc R25=23KΩ±2.5% R25=23KΩ±2.5% B25/50=4200K±3% B25/50=4200K±3% T(℃) Rnom(KΩ) T(℃) Rnom(KΩ) 281.34 24.12 -20℃ 24℃ -19℃ 263.56 25℃ 247.04 21.94 -18℃ 26℃ 231.66 20.94 -17℃ 27℃ -16℃ 217.35 28℃ 19.99 204.02 19.09 -15℃ 29℃ -14℃ 191.61 30℃ 18.23 180.04 17.42 -13℃...
  • Page 163 >a__WcU[S^ <[c >a`V[e[a`Wc 11. Failure code and troubleshooting AU242FHBHA Fault Code List Number of flashes by Is it Location Description fault fixable indicator TE circuit of defrost The detected sensor value is below 20H temperature sensor, (open-circuit) or above 1000H (short-circuit) for outdoor unit 60 seconds.
  • Page 164 >a__WcU[S^ <[c >a`V[e[a`Wc AU242FHBHA troubleshooting: 1.Communication failure between indoor and outdoor units Wired controller: E9; 4 flashes of TIMER lamp Is indoor unit address properly set? Without Reset address repetition? Are communication terminals of Reconnect indoor and outdoor units securely connected? Use shielded wire.
  • Page 165 >a__WcU[S^ <[c >a`V[e[a`Wc 2. Sensor failure reconnect Is sensor properly connected? Are resistance and change sensor temperature characteristics of sensor normal? check if PCB is defective, if yes,replace 3.EEPROM failure start Is EEPROM in mainboard inversely connected or in poor contact? re-set replace PCB 4.
  • Page 166 >a__WcU[S^ <[c >a`V[e[a`Wc 5. IPM power module protection 9 flashes of outdoor ALARM light. Possible causes: 1. Short-circuit or overcurrent 1.Four-way control supply (15VDC) is less than 13.5V. 2.Module is hot with a temperature higher than 145° C. Are CN1 and CN2 in Check and reconnect mainboard in poor contact? Is 10-pin connector between IPM...
  • Page 167 >a__WcU[S^ <[c >a`V[e[a`Wc 6. Discharging temperature protection 11 flashes of outdoor ALARM light; fault readout: 11 When is temperature protection activated: Temperature of discharge line is above 115° C. Are stop valves in gas pipe and liquid Open the stop valve pipe of outdoor unit open totally? Does EEV work properly during heating cycle? Repair outdoor EEV...
  • Page 168 >a__WcU[S^ <[c >a`V[e[a`Wc 7. High pressure overhigh protection: 13 flashes of outdoor alarm lamp. When high pressure switch is activated: Pressure is above 3.0 MPa. Are connectors of CN16 pressure switch Check and reconnect in good condition? Firstly, check if high pressure switch circuit has a problem, such as short-circuit, Is high pressure switch activated? damaged component.
  • Page 169 >a__WcU[S^ <[c >a`V[e[a`Wc AU482FIBHA Fault Code List Digital Is it Location Description readout fixable TE circuit of defrost The detected sensor value is below 20H temperature sensor, (open-circuit) or above 1000H (short-circuit) outdoor unit for 60 seconds. The fault is fixable. TA circuit of ambient The detected sensor value is below 20H temperature sensor...
  • Page 170 >a__WcU[S^ <[c >a`V[e[a`Wc are 3 alarms within 30 minutes, the fault code 11 is displayed. The fault is not fixable. Pressure switch circuit Pressure switch is activated. The fault is corrected after the normal pressure is restored for 2 minutes. Suction line After the compressor has operated for 10...
  • Page 171 >a__WcU[S^ <[c >a`V[e[a`Wc AU482FIBHA troubleshooting: 1.Communication failure between indoor and outdoor units Wired controller: E9; 4 flashes of TIMER lamp Is indoor unit address properly set? Without Reset address repetition? Are communication terminals of Reconnect indoor and outdoor units securely connected? Use shielded wire.
  • Page 172 >a__WcU[S^ <[c >a`V[e[a`Wc 2. Sensor failure reconnect Is sensor properly connected? Are resistance and change sensor temperature characteristics of sensor normal? check if PCB is defective, if yes,replace 3.EEPROM failure: outdoor displays 10 start Is EEPROM in mainboard inversely connected or in poor contact? re-set replace PCB...
  • Page 173 >a__WcU[S^ <[c >a`V[e[a`Wc 5. IPM power module protection 9 flashes of outdoor ALARM light, fault readout:9 Possible causes: 1. Short-circuit or overcurrent 2.Four-way control supply (15VDC) is less than 13.5V. 3.Module is hot with a temperature higher than 145° C. Are connectors in low Check and reconnect voltage PCB in poor...
  • Page 174 >a__WcU[S^ <[c >a`V[e[a`Wc 6. Discharging temperature protection 11 flashes of outdoor ALARM light; fault readout: 11 When is temperature protection activated: Temperature of discharge line is above 115° C. Are stop valves in gas pipe and liquid Open the stop valve pipe of outdoor unit open totally? Does EEV work properly during heating cycle? Repair outdoor EEV...
  • Page 175 >a__WcU[S^ <[c >a`V[e[a`Wc 7. High pressure overhigh protection: 13 flashes of outdoor alarm lamp. When high pressure switch is activated: Pressure is above 3.0 MPa. Are connectors of CN16 pressure switch Check and reconnect in good condition? replace PCB Is high pressure switch activated? Is pressure value detected by Replace high side pressure switch pressure gage above 3MPa?
  • Page 176 >a__WcU[S^ <[c >a`V[e[a`Wc 8. Low pressure too low protection Low pressure is lower than 0.05MPa for 3 minutes; or lower than 0.05MPa for 30 seconds during halt time Are connectors of pressure switch in good Check and reconnect condition? Is low side pressure switch activated? Replace PCB Is pressure valve detected by pressure gauge lower than...
  • Page 177 >a__WcU[S^ <[c >a`V[e[a`Wc 9. Fault in built-in overload protection of compressor Normally closed; open in the event of a fault. Fault readout: 8; 8 flashes of ALARM light Is CN14 in power supply reconnect drive properly connected? Check power power source board to see if Is overload protector the 10th pin of CN13...
  • Page 178 >a__WcU[S^ <[c >a`V[e[a`Wc AU48NFIBIA malfunction code: LED display on sent Malfunction description Code regulating Remarks indoor unit? board Normal Normal Defrosting temperature E.4. Resumable sensor abnormal Ambient temperature sensor Resumable E.1. abnormal Suction temperature sensor Resumable E.3. abnormal Discharging temperature Resumable E.2.
  • Page 179 >a__WcU[S^ <[c >a`V[e[a`Wc AU48NFIBIA troubleshooting: 1.Communication failure Note: For outdoor units before December 2004, in the event of 3 IPM or high current faults, outdoor unit will stop signal transmission to indoor unit. Indoor unit will display communication fault. Normally, testing board will indicate number of indoor units. The number is fixed. Wired controller display: E9;...
  • Page 180 >a__WcU[S^ <[c >a`V[e[a`Wc 2.Sensor failure Are connectors of sensor properly Reconnect connected? Are resistance and temperature Replace sensor characteristics of sensor acceptable? Check PCB and replace 3.EEPROM failure Reinstall in right direction Is CPU chip installed firmly? Is fault corrected after Normal JP301 is reset? If chip is broken?
  • Page 181 >a__WcU[S^ <[c >a`V[e[a`Wc 4. Over current protection: outdoor LED302 flashes 6 times Is supply voltage good? Modify power supply circuit Lack of phase? Are connectors in Check and reconnect good condition? Is actual compressor current detected Wrong report. Replace by ammeter or test board (0010451601) 0010451971 or 0010451530 above protection limit 16.9A? 1.
  • Page 182 >a__WcU[S^ <[c >a`V[e[a`Wc 5. IPM power module protection 9 flashes of outdoor LED302 light. Possible causes: 1. Short-circuit or overcurrent 2. Control supply is less than 13.5V. 3.Module is hot with a temperature higher than 145° C Are connectors in light current board in poor Check and reconnect contact?
  • Page 183 >a__WcU[S^ <[c >a`V[e[a`Wc 6. Discharging temperature protection 11 flashes of outdoor LED302 When is temperature protection activated: Temperature of discharge line is above 115° C Are stop valves in gas pipe and liquid Open the stop valve pipe of outdoor unit open totally? Does EEV work properly during heating cycle? Check 1) Connector 2) Winding resistance 3) Repair outdoor EEV...
  • Page 184 >a__WcU[S^ <[c >a`V[e[a`Wc 7. High pressure overhigh protection: 12 flashes of outdoor LED302 When is high pressure switch activated: Pressure is above 3.0 MPa. Are connectors of CN318 pressure Check and reconnect switch in good condition? replace PCB Is high pressure switch activated? Is pressure value detected by Replace high pressure switch pressure gage above 3MPa?
  • Page 185 >a__WcU[S^ <[c >a`V[e[a`Wc 8. Low pressure too low protection Outdoor LED flashes 15 times. Low pressure is lower than 0.05MPa for 3 minutes; or lower than 0.05MPa for 30 seconds during halt time Are connectors of CN317pressure switch Check and reconnect in good condition? Is low side pressure switch activated? Replace PCB...
  • Page 186 >a__WcU[S^ <[c >a`V[e[a`Wc Testing board for AU48NFIBIA: Press button “mode”, the display will change over in the following sequence: State Display Frequency Fxx.xx Current output A xx.x Stop Defr. Cool Heat Voltage on DC side U xxx Ambient temp 1 xx Discharging temp 2 xx Suction temp...
  • Page 187 >a__WcU[S^ <[c >a`V[e[a`Wc Fault Code List for H-MRV Indoor Unit Models with Models with remote Fault description wired Remarks controller controller Fault in liquid pipe temp. sensor 1 flash of Timer indicator Fault in suction pipe temp. sensor 2 flashes of Timer indicator Fault in room temperature sensor 3 flashes of Timer indicator Communication error between indoor...
  • Page 188 >a__WcU[S^ <[c >a`V[e[a`Wc H-MRV indoor unit troubleshooting: Models with wired controller Models with wireless remote controller Fault code readout: E0 11 flashes of Timer light. Fault description: The float switch or pump motor is broken. Check if the switch and Repair pump connector are in good condition?
  • Page 189 >a__WcU[S^ <[c >a`V[e[a`Wc Check the sensor resistance Check if the sensor is properly with a multimeter: connected to the mainboard. Replace the mainboard. R25 =10KΩ+3% ℃ ； B(25/50)=3741K+70K Reconnect Replace the sensor Models with wired controller Models with wireless remote controller Readout: E5 6 flashes of Timer light.
  • Page 190 >a__WcU[S^ <[c >a`V[e[a`Wc Models with wired controller Models with wireless remote controller Readout: E8 Description: Transmission error between wire controller and indoor unit mainboard Check if the wire controller is Reconnect properly connected to A, B and C of indoor unit. Replace indoor Check if the voltage between A and B is Note: CN15 and CN17 of AE series should be...
  • Page 191 >a__WcU[S^ <[c >a`V[e[a`Wc Models with wired controller Models with wireless remote controller Readout: E9 4 flashes of Timer light Description: Transmission error with outdoor unit (an alarm will be given 4 minutes after the appliance is started.) Check if there is repetition in the indoor unit address IDs.
  • Page 192 >a__WcU[S^ <[c >a`V[e[a`Wc Models with wired controller Models with wireless remote controller 8 flashes of Timer light Description: Fault with 12V supply of heavy current board in expansion valve Check if there are noticeable burns or hot components in the mainboard. Use a multimeter to check if the 12V supply in 7805 chip of mainboard is in good condition.

  • Page 193: Performance Curves

    >a__WcU[S^ <[c >a`V[e[a`Wc 12. Performance curves ■AU242FHBHA 11.00 10.00 9.00 8.00 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 -15 -13 -11 -9 outdoor temp. 10.00 9.00 8.00 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 outdoor temp. -193-...
  • Page 194 >a__WcU[S^ <[c >a`V[e[a`Wc ■ AU48** 1) Calculation method Calculation method of refrigerating capacity-Refrigerating capacity to be known = Refrigerating capacity x (1) x (2) x (3) x (4) x (5) W (3) Capacity modification value (1) Capacity compensation value of indoor Capacity compensation value of outdoor air dry-bulb under airflow variation rate of air wet-bulb temperature condition...
  • Page 195 >a__WcU[S^ <[c >a`V[e[a`Wc 13. Noise curves -195-...
  • Page 196 >a__WcU[S^ <[c >a`V[e[a`Wc -196-...
  • Page 197 >a__WcU[S^ <[c >a`V[e[a`Wc -197-...
  • Page 198 >a__WcU[S^ <[c >a`V[e[a`Wc -198-...
  • Page 199 Commercial Air Conditioner MEMO...
  • Page 200 >a__WcU[S^ <[c >a`V[e[a`Wc Haier Group Haier Industrial Park, No. 1 Haier Road 266001, Qingdao, China Tel: +86-532-8939486/9711 Fax: +86-532-8939715 E-mail: cactech@haier.com Http://www.haier.com All rights reserved and the information in this manual is subject to change without notice in order to make the...

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