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Haier AB422XCBAA Service Manual

Manual is about: Service Manual

Summary of AB422XCBAA

  • Page 1

    L@kod>@ g ak@@ gnfmd l@kd@l cs[wc >a__wcu[s^ a`v[e[a`wc 4227028 6/p ?N>m dh?Iik nhdm >@dfdhb >ih>@ >ihlif@ dh?Iik nhdm p inm?Iik nhdm,4:1641:6222=mn1z- ak@@ gnfmd l@kd@l cs[wc >a__wcu[s^ a`v[e[a`wc 4227028 6/p ?N>m dh?Iik nhdm >@dfdhb >ih>@ >ihlif@ dh?Iik nhdm p inm?Iik nhdm,4:1641:6222=mn1z- ?N>m d...

  • Page 2

    -2- >ihm@hml 30 bw`wcs^ [`xac_se[a` 5 303 gavw^ uavw vwduc[be[a` 5 304 acww gf^e[ dwc[wd ^[`w fb 5 305 ibwcse[a` ew_bwcsefcw cs`yw 6 306 jcavfued xwsefcwd 7 40 lbwu[x[use[a`d : 50?[_w`d[a`d 42 503 ifevaac f`[e v[_w`d[a` 42 504 d`vaac f`[e v[_w`d[a` 44 60 jsced `s_w 48 70 >a`eca^^wc xf`ue[a`d 54 703 ...

  • Page 5

    Wtz :vshygx jiexyviw >a__wcu[s^ a`v[e[a`wc et 7ypxm wtpmx w]wxiq mw gsqfmrih [mxl sri syxhssv yrmx erh qypxmtpi mrhssv yrmxwr xli uyerxmx] ger fi x[sr xlvii sv jsyvt alir ]sy stivexi xli w]wxiqr mx ger viepm^i gsspmrk sv liexmrkr sr sv sjj wmqypxerisywp] xs wizivep vssqwr erh qeoi iziv] tpegi sj ]sy...

  • Page 7

    >a__wcu[s^ a`v[e[a`wc it @evmefpi gsrxvsp qshi >li mrhssv yrmx ger fi gsrxvsppih f] viqsxi gsrxvsppiv sv [mvih gsrxvsppivt -fsyx xli gsrrigxmsr qixlsht jt 2vii wixxmrk sj emv hmwglevkmrk hygx >li ryqfiv sj xli emvjps[ syxpix erh mxw mrwxeppexmsr tswmxmsr ger fi jviip] wipigxih eggsvhmrk xs xli irzmv...

  • Page 8

    >a__wcu[s^ a`v[e[a`wc —— cooling heating btu/h 28000 33000 w 8200 9700 w 3300 3200 w 3800 3800 w/w 2.50 3.05 10‐³×m³/h / / —— —— n, v, hz a / a 15.0/17.0 14.0/16.0 a a model / manufacture —— oil charge and type —— type —— number —— type × number —— speed r/min motor output power w air-flows (h/m/l) ...

  • Page 9

    >a__wcu[s^ a`v[e[a`wc —— cooling heating btu/h 42000 48000 w 12500 14000 w 5600 5600 w 6300 6300 w/w 2.23 2.50 10‐³×m³/h / / —— —— n, v, hz a / a 26.0 / 30.0 26.0 / 30.0 a a model / manufacture —— oil charge and type —— type —— number —— type × number —— speed r/min motor output power w air-flows (h...

  • Page 10

    >a__wcu[s^ a`v[e[a`wc —— cooling heating btu/h 88000 100000 w 26000 30000 w 11000 11000 w 13000 13000 w/w 2.36 2.73 —— —— n, v, hz a / a 18.0 / 22.0 18.0 / 22.0 a a model / manufacturer —— oil charge and type —— type —— number —— type × number —— speed r/min motor output power w air-flows (h/m/l) m³...

  • Page 11

    >a__wcu[s^ a`v[e[a`wc —— cooling heating cooling heating btu/h 7000 8000 9000 10000 w 2000 2300 2600 2900 10‐³×m³/h 1.0 / 1.0 / —— —— n, v, hz a / a 0.10 0.10 0.10 0.10 type × number —— speed r/min motor output power w air-flows (h/m/l) m³/h type / diameter mm total area m² temp. Scope ℃ external mm...

  • Page 12

    >a__wcu[s^ a`v[e[a`wc —— cooling heating cooling heating btu/h 7000 8000 9000 10000 w 2000 2300 2600 2900 10‐³×m³/h 1.0 / 1.0 / —— —— n, v, hz a 0.25 0.25 0.25 0.25 type × number —— speed r/min motor output power w air-flows (h/m/l) m³/h type / diameter mm total area m² temp. Scope ℃ external mm pac...

  • Page 13

    >a__wcu[s^ a`v[e[a`wc —— cooling heating cooling heating btu/h 7000 8000 9000 10000 w 2000 2300 2600 2900 10‐³×m³/h 1.0 / 1.0 / —— —— n, v, hz a 0.20 0.20 0.20 0.20 type × number —— speed r/min motor output power w air-flows (h/m/l) m³/h type / diameter mm total area m² temp. Scope ℃ external mm pac...

  • Page 14

    >a__wcu[s^ a`v[e[a`wc —— cooling heating cooling heating btu/h 7000 8000 9000 10000 w 2000 2300 2600 2900 10‐³×m³/h 1.0 / 1.0 / —— —— n, v, hz a 0.23 0.23 0.23 0.23 type × number —— speed (sh/h/m/l*) r/min motor output power w air-flows (sh/h/m/l*) m³/h type / diameter mm total area m² temp. Scope ℃...

  • Page 15

    >a__wcu[s^ a`v[e[a`wc —— cooling heating cooling heating btu/h 21000 24000 21000 24000 w 6150 7000 6150 7000 10‐³×m³/h 2.5 / 2.5 / —— —— n, v, hz a 1.35 1.35 0.80 0.80 type × number —— speed r/min motor output power w air-flows (h/m/l) m³/h type / diameter mm total area m² temp. Scope ℃ external mm ...

  • Page 16

    >a__wcu[s^ a`v[e[a`wc —— cooling heating cooling heating btu/h 28000 31000 42000 48000 w 8200 9100 12000 14000 10‐³×m³/h 3.0 / 5.0 / —— —— n, v, hz a 0.30 0.30 0.30 0.30 type × number —— speed r/min motor output power w air-flows (h/m/l) m³/h type / diameter mm total area m² temp. Scope ℃ external m...

  • Page 17

    >a__wcu[s^ a`v[e[a`wc —— cooling heating cooling heating btu/h 28000 31000 42000 48000 w 8200 9100 12000 14000 10‐³×m³/h 3.0 / 5.0 / —— —— n, v, hz a 1.10 1.10 1.20 1.20 type × number —— speed r/min motor output power w air-flows (h/m/l) m³/h type / diameter mm total area m² temp. Scope ℃ external m...

  • Page 18

    >a__wcu[s^ a`v[e[a`wc duct unit without auxiliary duct: duct unit with auxiliary duct: 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...

  • Page 19

    >a__wcu[s^ a`v[e[a`wc note: ⊙ is the real time analyser position 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...

  • Page 20

    >a__wcu[s^ a`v[e[a`wc 33. Dimensions au282xhbaa au422xibaa 580 185 416 380 950 1024 340 580 185 416 380 950 1024 830 terminal block screw hole (m10) 20 18 380 34 0 >10cm >6 0 cm >15cm >10cm >30cm 185 185 580 380 950 12 50 25 70 3.1 outd oorrunit dimensions -20-.

  • Page 21

    >a__wcu[s^ a`v[e[a`wc au84nxtbaa 66- 33- .1- .23- 4-- 43- 33- 61- .2- 3/ 160 ..2 15 /3 52 ./- ./- -21-.

  • Page 22

    >a__wcu[s^ a`v[e[a`wc model: ab0 72~ab142 model: ab2 1~28 (mm) 950 950 840 295 240 180 50 30 20 135 160 260 860-890 (ceiling hole) 680 (hang position) 860-890 680 (mm) electrical box 630 630 570 700 495 12 40 35 58 52 570 15 315 201 215 20 276 53 260 270 315 140 200 80 30 180 57 155 35 57 85 85 345 ...

  • Page 23

    >a__wcu[s^ a`v[e[a`wc model: ab 42 1340 950 260 315 270 840 295 280 220 50 30 20 135 160 300 535 615 1250~1280 (ceiling hole) 860-890 780 1070 (hanging position) 220 55 1230 55 155 (mm) 90 170 120 * p . / 0 + , - ehdb ?B5;7ga@??4 i j k l m n o p ;;5 779 779 655 :69 :8 897 779 99 779 679 655 ?B677ga@...

  • Page 24

    >a__wcu[s^ a`v[e[a`wc model: ad28 model: ad42 800 960 60 250 750 30 840 170 205 130 120 365 185 800 1320 830 1200 170 270 250 365 185 250 60 45 1105 830 (mm) (mm) -24-.

  • Page 25

    >a__wcu[s^ a`v[e[a`wc /+* .,* +*- model: af07~14 model: as07~14 * + , :=baf de@ac = > ? 7;.40 7;/00 462 032 /50 -25-.

  • Page 26

    >a__wcu[s^ a`v[e[a`wc 60jsced `s_w -.Xwxb/.--r-.X~xb/.-- w[mrk psyziv ipigxvmg gsrxvsp ewwiqfp] emv mrpix kvmppi emv jmpxiv omrwmhi sj xli mrpix kvmppip viqsxi vigimziv kyevhmrk tpexi ewwiqfp] -.V}xb/.--r-.V*xb/.--r-.Wzxb/.-- hvemr 4swi w[mrk psyziv vijvmkiverx tmti gefpi pmri ievxlmrk pmri emv jmpx...

  • Page 27

    >a__wcu[s^ a`v[e[a`wc -1v}xb/.--r-1v*xb/.--r-1wzxb/.--r-1xwxb/.-- qsxsvomrwmhip jeromrwmhip emv syxpix kmppi izetsvexsv kew tmti pmuymh tmti hvemreki tmti -0x~xb4.--r-0zxxb4.-- emv mrpix kvmppi 4emiv emv jmpxivomrwmhip wmkrep vigimziv [mrhs[ psyziv emv syxpix kvmppi -=v}xb/.--r-=v*xb/.--r-=wzxb/.-- ...

  • Page 28

    >a__wcu[s^ a`v[e[a`wc w y z { x wt9?>61> xt/98> yt5861> zt256>1 {t9?>61> -2v}xb/.--r-2v*xb/.--r-2wzxb/.-- -28-.

  • Page 29

    >a__wcu[s^ a`v[e[a`wc -?Zxxb5.-- -?X~xb4.-- zepziwomrwmhip lerhpi ipigxvmg fs\ emv mrpix emv syxpix zepzi kyevhmrk tpexi emv syxpix kvmppi emv mrpix qemrxirergi tpexi zepzi xivqmrep fpsgo gsrrigxmsr lspi -29-.

  • Page 30

    >a__wcu[s^ a`v[e[a`wc emv syxpix kvmpp wmhi tpexi qemrxirergi tpexi tmtmrk lspi gsrhirwiv omrwmhip gsqtviwwsv omrwmhip ipigxvmg gsrxvsp ewwiqfp] omrwmhip fsxxsq tpexi -?~z8b>.-- -30-.

  • Page 31

    >a__wcu[s^ a`v[e[a`wc panel model function description applicable unit pb-630ia with elevating function, for 630*630 panel r407c&r22 unitary free fixed frequency&inverter ab09~18, r407c&r22 free multi 07~18 pb-630ib without elevating function, for 630*630 panel r407c&r22 unitary freefixed frequency&...

  • Page 32

    Buttons function： mode：used for select indoor operation mode. Fan：used for select indoor air flow. Swing：used for setting indoor swing mode. Health：used for setting indoor health function. Temp + -：used for changing set temperature. Clock：used to adjust time. +、-：stands for time plus/minus, used to ...

  • Page 33

    [fan] [high]：high fan speed [fan] [med]： medium fan speed [fan] [low]： low fan speed [fan] [fix]： fixed fan speed, it will display only when fixed fan speed is requested to main indoor unit. [central]： central control mode [operation] ：running mode [stand by] ： waiting mode [pre-heat] ： pre-heating ...

  • Page 34

    Auto operation, cooling, heating and dehumidification operation 1) start up operation: press the button of on/off, the system will start up, and will display [mode][auto]；[fan][auto]；[room temp.]+“24℃”；[clock]+”12：00”. 2) select mode: press the mode button, then you will see in the display section [...

  • Page 35

    Timer on, press [timer]. [timer][on] will be constant on. Then [timer] [off] flashes, press the clock +/- button to adjust the time of timer off, press [set]. The time sequence of timer on and timer off will determine the mode is [timer] [on] →[off] or [timer] [off] → [on]. If you want the current t...

  • Page 36

    Central control function when the central controller selects [central] mode, the buttons in the wired controller except for [check] will be invalid. Ventilation mode (only for the unit with fresh air function or heat recovery function) press [recovery] button, then the unit will switch over the vent...

  • Page 37

    G preset ――― h outdoor total capacity actual value, decimal in check mode, press [check] to quit the check mode, and go into normal running mode. How to change the function switches? No. Type state of switch function description connected central controller j01 changeover of wired controller and cen...

  • Page 38

    >a__wcu[s^ a`v[e[a`wc -38- there is no lock function only in the wired controller. But when it is connected with a central controller, if the central controller is set to “central”, the buttons in the wired controller will be invalid, or the buttons will be valid. Failure code: for remote type, flas...

  • Page 39

    >a__wcu[s^ a`v[e[a`wc -39- sensor abnormal short circuit for more than 2m continuously 13 0d 31d solenoid valve abnormal solenoid valve act incorrectly 3 times continuously ○ 14 4c 15d discharging temp. Sensor abnormal sensor broken down or short circuit for more than 2m continuously ○ 15 05 17d eep...

  • Page 40

    3 off off on off 4 off off on on 5 off on off off 6 off on off on 7 off on on off 8 off on on on 9 on off off off 10 on off off on 11 on off on off 12 on off on on 13 on on off off 14 on on off on 15 on on on off 16 on on on on if you use central control type, sw1, sw2 will be used simultaneously. W...

  • Page 41

    21 21 off off on off on off off 22 22 off off on off on off on 23 23 off off on off on on off 24 24 off off on off on on on 25 25 off off on on off off off 26 26 off off on on off off on 27 27 off off on on off on off 28 28 off off on on off on on 29 29 off off on on on off off 30 30 off off on on o...

  • Page 42

    64 64 off on on on on on on 65 65 on off off off off off off 66 66 on off off off off off on 67 67 on off off off off on off 68 68 on off off off off on on 69 69 on off off off on off off 70 70 on off off off on off on 71 71 on off off off on on off 72 72 on off off off on on on 73 73 on off off on ...

  • Page 43

    107 107 on on off on off on off 108 108 on on off on off on on 109 109 on on off on on off off 110 110 on on off on on off on 111 111 on on off on on on off 112 112 on on off on on on on 113 113 on on on off off off off 114 114 on on on off off off on 115 115 on on on off off on off 116 116 on on on...

  • Page 44

    Electrical functions of wired controller: 1.Function difference between master wired controller and slave one: contrastive items master wired controller slave wired controller function all of functions only with below functions: on/off, mode, fan speed, set temp., swing 2. Function difference betwee...

  • Page 45

    Connected with indoor unit is called master one, the other is called slave one. Master wired controller and indoor unit; master and slave wired controllers are all connected through 3 pieces of polar wire. 3. Communication wiring: the wired controller is equipped with special communication wiring in...

  • Page 47

    Igj^f v`n d`jgcxpj n_\e _\xck_p ile ]lezk`fe `j j\k3 773sempeqastqe d`jgcxp 893lock rkxk\ d`jgcxp 883basseqw ee\i^p d`jgcxp nfk`]p k_\ lj\i n_\e `k `j k`d\ kf z_xe^\ k_\ yxkk\i`\j3 793high4ro d`jgcxp 7:3rignal rending d`jgcxp 7;3fqerh aiq d`jgcxp 7 7>3healsh d`jgcxp 873rleep rkxk\ d`jgcxp 863og\ixk`...

  • Page 48

    L\i sk`ldji 63te`k jkxik pi\jj on4off ylkkfe kf jkxik pfli x`i zfe[`k`fe\i3 pi\m`flj fg\ixk`fe jkxklj xgg\xij fe lcd -\oz\gk ]fi simeq1 rleep1 xe[ ruing j\kk`e^.3 73r\c\zk fg\ixk`e^ df[\ pi\jj modeylkkfe3 ak \xz_ gi\jj1 fg\ixk`fe df[\ z_xe^\j xj ]fccfnj? 83 a[aljk ]xe jg\\[ pi\jj fan ylkkfe3 ak \x...

  • Page 49

    83s\dg\ixkli\ j\kk`e^ s_\e j\c\zk atso ile fi j\c\zk cool fg\ixk`fe fi j\c\zk dqw fg\ixk`fe fi j\c\zk heas fg\ixk`fe pi\jj semp ylkkfe3 em\ip k`d\ k_\ ylkkfe `j gi\jj\[1 k\dg3 j\kk`e^ `ezi\xj\j 6 c@ `] k_\ ylkkfe `j b\gk gi\jj\[1 k\dg3 j\kk`e^ n`cc `ezi\xj\ hl`zbcp3 em\ip k`d\ k_\ ylkkfe `j gi\jj\[1...

  • Page 50

    D`jgcxpj fe k_\ lcd [`jxgg\xi3 acc `e[`zxkfij fe k_\ `e[ffi le`k ^f flk3 rn`e^ cflm\i xlkfdxk`zxccp zcfj\ k_\ x`i flkc\k3 gan`l oidn mnjkme pc\xj\ zxi\]lccp j\k k\dg\ixkli\ n_\e z_`c[i\e1 fc[ fi n\xb g\fgc\ lj\ k_\ x`i zfe[`k`fe\i3 ie zxj\ f] ^i\xk _ld`[`kp1 i] k_\ m\ik`zxc ]cxgj xi\ zfdgc\k\cp klie...

  • Page 51

    Rleep qtn beginr rleep qtn rsopr ressing semp rhts doun xyflk ; _ij 6 _ij ie cool1dqw df[\ `ezi\xj\ 6 c `ezi\xj\ 6 c rleep qtn beginr rleep qtn rsopr ressing semp rhts doun 6 _ij 6 _ij 8 _ij xyflk ; _ij `ezi\xj\ 6c [\zi\xj\ 7 c [\zi\xj\ 7 c ie heas df[\ rjn`me a]k\i j\kk`e^ rleep ]lezk`fe1 `k `j efk...

  • Page 52

    H`ekj? A]k\i i\gcxz`e^ yxkk\i`\j fi `] x gfn\i ]x`cli\ fzzlij1 simeq j\kk`e^ dljk y\ i\j\k3 q\dfk\ zfekifcc\i _xj d\dfip ]lezk`fe3 u_\e pfl lj\ simeq df[\ e\ok k`d\1 aljk gi\jj res ylkkfe x]k\i df[\ j\c\zk`fe `] k`d\i j\kk`e^ `j k_\ jxd\ xj k_\ gi\m`flj fe\3 nfk\? A]k\i j\kk`e^ simeq ]lezk`fe1 k_\ i...

  • Page 53

    Jljk gi\jj simeq ylkkfe j\m\ixc k`d\j lek`c simeq df[\ [`jxgg\xij3 azzfi[`e^ kf k_\ k`d\ j\kk`e^ j\hl\ez\ f] simeq on xe[ simeq off1 \`k_\i jkxik2jkfgj fi jkfgj2jkxik zxe y\ i\xc`q\[3 i] k_\ k`d\ j\kk`e^ f] simeq on `j k_\ jxd\ xj simeq off1 simeq on2off ]lezk`fe zxeefk y\ j\k3 a]k\i k_\ x`i zfe[`k`...

  • Page 54

    Tl`mm nc` nomn?Vs ]onnji nqd^` i] k_\ ylkkfe `j gi\jj\[ fez\1 k_\ `e[`zxk`fe `j [`jgcxp\[ fe k_\ i\dfk\ zfekifcc\i3 i] pfl gi\jj k_\ ylkkfe fez\ x^x`e1 k_\ `e[`zxk`fe [`jxgg\xij1 i\^lcxi fg\ixk`fe `j i\jkfi\[ xe[ ]xe jg\\[ ^f\j yxzb kf k_\ df[\ j\k y\]fi\ +h`^_ mf[\+ fg\ixk`fe3 tl`mm nc` nomn?Vs ]on...

  • Page 55

    Gonj l`mn\ln aoi^ndji m`nndib v`nndib q`ncj_e u_\e k_\ i\dfk\ zfekifcc\i `j fe -\ozcl[`e^ k`d\i df[\ xe[ ]xe df[\.1gi\jj k_\ +rc\\g+ ylkkfe fe k_\ i\dfk\ zfekifcc\i 65 k`d\j n`k_`e :j\zfe[j1 xe[ x]k\i k_\ ylqq\i i`e^j 9 k`d\j1 k_\ x`i zfe[`k`fe\i n`cc \ek\i k_\ jkxk\ f] xlkf i\jkxik3 i\i^`g q`ncj_e ...

  • Page 56

    S_\ i`^_k ]`^li\ `j x i\dfk\ zfekifcc\i1 n_`z_ zxe y\ lj\[ fe j\i`\j i\dfk\ zfekifc le`kj xe[ k_\ dxkz_`e^ i\dfk\ zfekifc i\z\`m\i 63q\dfk\ zfekifc i\z\`m\i lj`e^ d\k_f[ ? Tj\ i\dfk\ zfekifcc\i zfekifc k_\ i\dfk\ zfekifc n`e[fn f] k_\ i\dfk\ zfekifc i\z\`m\i3 b>kik whcm[kq kk__ [h^ kk__ pnfmc nhcml ...

  • Page 57

    5 - time display area-including display the weekday, hour and minute; before setting timing function, please calibrate the current clock. 6 - unit number trouble code display area-when the air conditioner in the control network has trouble, the corresponding unit number and the trouble code will dis...

  • Page 58

    1. Use group controller and weekly timer to realize the group control function + weekly timing function, applicable for the units except for the unit which needs detector to realize the weekly timer function, such as wall mounted type, console type. Connecting method c health f mode fan swing temp c...

  • Page 59

    Installation dimensions off off off off off off off 1 2 3 4 5 6 7 mon tue wed thu fri sat sun on on on on on on on mon tue wed thu fri sat sun on. 1 2 3 4 week time min. Holiday program hour cancel confirm number program no. 1 2 3 4 5 6 7 set 1 on off set 2 on off no. B a 12vdc o rs-485 week time mi...

  • Page 60

    Function description: 5.5 central controller ycz-a001: >a__wcu[s^ a`v[e[a`wc -60- moniter set unit auto temp room temp central remote timer on every day select on off mode fan temp. Time time timer central remote confirm lock timer off display of operation mode and signal emitting lock display displ...

  • Page 61

    6. Central control system + group control system(max.128 x16 indoor units can be connected),this type is applicable for the unitary free indoor units except for console type and wall mounted type. 1. Communication function communicate with the indoor pcb in the group control network to communicate w...

  • Page 62

    7. Use central controller + weekly timer to realize the group control function + weekly timing function, this type is applicable for the unitary free indoor units except for console type and wall mounted type. Off off off off off off off mon tue wed thu fri sat sun on on on on on on on mon tue wed t...

  • Page 63

    (fig.1) 180mm 120mm moniter set unit auto temp room temp central remote timer on every day select on off mode fan temp. Time time timer central remote confirm lock timer off total on/total off exterior dimension 1ph , 220-240v~, 50hz installation procedure 1. Wire connecting rs - 232 a b power suppl...

  • Page 64

    (fig.2) as illustrated: (figure 1 is the front view and figure 2 is the side view) the central controller is 180mm long, 120mm wide and 64.4 mm thick. 64.4mm >a__wcu[s^ a`v[e[a`wc -64-.

  • Page 65

    >a__wcu[s^ a`v[e[a`wc 6. Refrigerant circuit au282xhbaa: h ea tin g o p er at io n co ol in g op er at io n h ea t e x ch a ng er o ut d oo r un it i n d o o r u n it vo ic e in su la to r st o p v a lv e c om p re s so r a ir- liq ui d se p ar at o r fo u r- w a y va lv e o il se p ar at o r ca p i...

  • Page 66

    >a__wcu[s^ a`v[e[a`wc au422xibaa: he at in g op er at io n co ol in g o pe ra tio n he a t e xc h an ge r o ut do or u ni t in do or u ni t o il se p ar at or st op v a lv e c om pr es so r a ir- liq ui d se p ar at or fo u r- w ay v a lv e liq u id re ce iv er ca pi lla ry ca pi lla ry so le n oi d...

  • Page 67

    >a__wcu[s^ a`v[e[a`wc au84nxtbaa: ch eck va lv e b h eat exc hange r b2 h ea t exc hang er b1 liqui d st op v al ve b2 g as st op val ve b liqu id stop va lv e b1 h ea t exc hang er b h eat exc hange r a2 liqui d st op v al ve a2 g as st op val ve a compr es sor a st rai ner st ra in e r so le n oid...

  • Page 68

    >a__wcu[s^ a`v[e[a`wc kino\gg\odji ojjgn to\i_\m_ \^^`nnjmd`n 63 t^m`r _mdq`m 73 j\^fn\r 83 fmdgg rdoc \ _d\h`o`m ja ;5hh 93 kii`m c`s\bji nk\ii`m1ncdaodib nk\ii`m :3 tk\ii`m .691617917 ;3 qdk` ^poo`m =3 lida` >3 qdi^`mn 653 m`\f\b` _`o`^ojm jm nj\kt r\o`m 663 d\i_ o\k` 673 t^m\k`m 683 s`amdb`m\io j...

  • Page 69

    .8/ kino\gg \ npnk`i_dib ]jgo uj npkkjmo oc` pido r`dbco 1\i^cjm ]jgo ncjpg_ ]` pn`_ di oc` ^` ja \gm`\_t `sdnon ^`dgdib3 hjr i`r ^`dgdib1 pn` agpnc2di otk` ]jgo1]pdgo2di otk` ]jgo jm k\mon km`o\m`_ di oc` ad`g_3 d`ajm` bjdib ji dino\ggdib1\_epno nk\^` oj ^`dgdib3 kino\gg\odji ja di_jjm pido ki ^\...

  • Page 70

    Ngjk` jq`m 64655 m\mb` ndu` n`\g k\_ 9hh ]`gjr egdk vn` oc` _m\di\b` cjn` \i_ ^gdk kmjqd_`_ rdoc pido3 kin`mo r\o`m kdk` dioj r\o`m kgpb piodg do m`\^c`n oc` rcdo` o\k`3 udbco`i oc` ^gdk piodg c`\_ ja oc` n^m`r dn g`nn oc\i 9hh amjh cjn`3 xdi_ oc` __m\di\b` cjn` oj oc` ^gdk pndib n`\g k\_ ajm c`\o d...

  • Page 71

    6/ cqjd_ \_epnodib oc` ag\k ]t c\i_3 7/ hjm oc` hj_`gn rdocjpo `g`q\odib api^odji? Fdnkg\t rdi_jr fm\di cjn` qdk` qdk` mjpq`m hjojm mdlpd_ dig`o kdk` i jpog`o kdk` fm\di cjn` 6 7 9 8 pqgo emptg xc`i do-n i`^`nn\mt oj jk`i oc` \dm dig`o bmdgg`1kg`` kpgg \r\t oc` ads`_ ]jgo \^^jm_dib oj oc` ]`gjr ...

  • Page 72

    ;3 xdmdib _d\bm\h ]`or``i k3v3,p3v3 cd5 di_jjm jpo_jjm q r q r o q r q r q r m o oj kjr`m npkkgt oj kjr`m npkkgt m -72- di_jjm jpo_jjm q r q r o q r q r q r m o oj kjr`m npkkgt oj kjr`m npkkgt m -72-.

  • Page 73

    Kjop]hh]pekj pkkho tp]j`]n` ]__aookneao 63 t_nas `neran 73 j]_go]s 83 fnehh sepd ] `e]iapan kb ;5ii 93 kjjan dat]ckj ol]jjan1odebpejc ol]jjan :3 tl]jjan .691617917 ;3 qela _qppan =3 ljeba >3 qej_ano 653 ma]g]ca `apa_pkn kn ok]lu s]pan 663 d]j` p]la 673 t_n]lan 683 sabnecan]jp keh uda ejop]hh]pekj pk...

  • Page 74

    .8/ kjop]hh ] oqolaj`ejc ^khp uk oqllknp pda qjep saecdp 1]j_dkn ^khp odkqh` ^a qoa` ej pda _]oa kb ]hna]`u ateopo _aehejc3 hks jas _aehejc1 qoa bhqod2ej pula ^khp1^qehp2ej pula ^khp kn l]npo lnap]na` ej pda beah`3 dabkna ckejc kj ejop]hhejc1]`fqop ol]_a pk _aehejc3 kj _]oa kb jk _aehejc kjop]hh qje...

  • Page 75

    1+-+0+:nrsbllbsjon og vbsfq eqbjnbhf pjpf .6/ kjop]hh s]pan `n]ej]ca lela qela `e]iapan od]hh ^a amq]h kn h]ncan pd]j pd]p kb _kjja_pejc lela .Qela kb lkhupdaja@ oeva?7:ii@ p3f3? 87ii / fn]ejlela odkqh` ^a odknp1sepd ] `ksjs]n` ohkla ]p ha]op 64655 pk lnarajp ]en ^]c bnki bkniejc3 kb `ksjs]n` ohkla ...

  • Page 76

    A okpa b uda ohkla kb s]pan `n]ej]ca dkoa od]hh ^a sepdej kb oaran]h s]pan dkoao fkej pkcapdan1kb ]o lan bkhhksejc lnk_a`qnao3 tla_ebe_]pekjo kb pda oaha_pa` `n]ej]ca dkoao od]hh iaap pda namqenaiajpo bkn pda qjep nqjjejc thkla ^ahks 64655 ekjja_pekj `n]ej]ca dkoa sepd ] u2fkejp kjop]hh knj]iajp l]j...

  • Page 77

    Uaniej]h ^hk_g ekran kb _kjpnkh ^kt.6/ sq^^an pq^a c inkqj`ejc ha]` ekran kb _kjpnkh ^kt.7/ iwv hr heah` senejc cpp]_d oa]h l]` fkj-p b]eh pk oa]h ep1kn s]pan i]u _kia ej3 sq^^an pq^a okpa? J]ra ep oa]ha`1ha]rejc jk ol]_a3 ta]h l]` .Oi]hh oeva / .Xej` ]nkqj` sena/ ]^ 1+-+3 :nrsbllbsjon og oqnbmfns p...

  • Page 78

    .8/xenejc kj knj]iajp l]jah ekjja_pejc kb senejc kb pda osejc bh]l ikpkn kj knj]iajp l]jah3 .7 lh]_ao/ .Saban pk hep 3 65/ :g donnfdsjnh jr nos mbef* fqqoq doef }41~ bppfbqr on qfmosf donsqollfq+ ?O* mbkf pqopfq donnfdsjnh+ te`a kb knj]iajp l]jah hec3 65 xenejc `e]cn]i te`a kb ej`kkn qjep q]np ] kb ...

  • Page 79

    Hkn cd767yedcc1pda ^ahks ]__aookneao ]na oqllhea` sepd pda qjep ]o op]j`]n`1sdaj ejop]hh]pekj1 lha]oa l]u ]ppajpekj3 _d]jcejc lela.6472:4=/ atpanekn _khha_pejc lela.649284=/ hkn cd7=7yedcc1pda ^ahks ]__aooknu eo oqllhea` sepd pda qjep ]o op]j`]n`1sdaj ejop]hh]pekj1pda c]o lela sehh jaa` ep3 i]jebkh`...

  • Page 81

    Mfk\@ v_\e zfee\zk`e^ k_\ j_fik [lzkj2 lj\ k_\ cfn jkxk`z k\id`excj2 n_`z_ zfcfi `j n_`k\4 s_\ [`jkxez\ k ]ifd k_\ x`i flkc\k f] k_\ [lzk kf k_\ x`i flkc\k f] k_\ j`i zfe[`k`fe\i j_xcc y\ ef dfi\ k_xe 7 d4 a`i [`jki`ylkxip a`i i\klie [lzk a`i i\klie yc`e[ rljg\e[`e^ _ffb dix`e g`g\ sixej`k`fe [lzk a...

  • Page 82

    9 s_\idxc `ejlcxk`fe f] [lzk a`i3j\e[`e^ [lzk xe[ x`i i\klie [lzk j_xcc y\ k_\idxccp `ejlcxk\[4 f`ijk jk`zb k_\ ^cl\p ex`c fe k_\ [lzk2 k_\e xkkxz_ k_\ _\xk gi\j\imxk`fe zfkkfe n`k_ x cxp\i f] k`e]f`c gxg\i xe[ lj\ k_\ ^cl\p ex`c zxg kf ]`o4 f`exccp lj\ k_\ k`e]f`c x[_\j`m\ kxg\ kf j\xc k_\ zfee\zk\...

  • Page 83

    * q\hl`i\d\ekj s_\ `e[ffi [ix`e g`g\ j_xcc y\ k_\idxc `ejlcxk\[4 s_\ zfee\zk`fe gxik y\kn\\e k_\ [ix`e g`g\ xe[ k_\ `e[ffi le`k j_xcc y\ `ejlcxk\[ jf xj kf gi\m\ek [ ^\e\ixk`fe4 s_\ [ix`e g`g\ j_xcc y\ jcxek [fnenxi[j /^i\xk\i k_xe 7576604 s_\ d`[[c\ gxik j_xcc efk y\ f] r kpg\ \cyfn2 fk_\in`j\ xy...

  • Page 84

    Cfee\zk`fe f] i\]i`^\ixek g`g\ cfe[lzk ]cxi\[ zfee\zk`fe nfib kf zfee\zk xcc i\]i`^\ixek g`g\j4 s_\ zfee\zk`fe f] `e[ffi le`k g`g\j dljk lj\ [flyc\ jgxee\ij4 s_\ `ejkxcc`e^ kfihl\ j_xcc y\ xj ^`m\e `e k_\ ]fccfn`e^ kxyc\4 dflyc\3jgxee\i fg\ixk`fe cfee\zk`e^ g`g\ n4d4/dd0 s s784=6 iejkxcc`e^ kfihl\ /...

  • Page 86

    Safety precautions please read these "safety precautions" first then accurately execute the installation work. Though the precautionary points indicated herein are divided under two headings, and , those points which are related to the strong possibility of an installation done in error resulting in...

  • Page 87

    1. Before installation [before finishing installation, do not throw the attached parts installation needs] 2. Choose installation place (1) the chosen installation place should meet the following requirements and get the user’s consent. Place ensures ideal airflow distribution. The passage of airflo...

  • Page 88

    (3) hanger bolts installation use care of the piping direction when the unit is installed. Hanging bolt m10 hole-in anchor hole-in plug insert concrete (2) if necessary, cut the opening installation and checking needed on the ceiling. (if has ceiling) before installation, finish the preparation work...

  • Page 89

    6. Wiring diagram between i.U.&o.U. 7. Refrigerant connection caution for ad282xhbaa, the below accessory is supplied with the unit as standard, when installation, the gas pipe will need it. Ad282xhbaa,ad422xhbaa and au84nxtbaa: indoor outdoor p q p q p q p q l3 n to power supply l2 l1 p q n to powe...

  • Page 90

    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. Place near power supply socket.Leave enough space around the unit. Place ,robust not cau...

  • Page 91

    Threads on the pipes may be damaged when tightening if the pipes are not well aligned. (1)schematic diagram for unit connection (4) pipe connection process torque 18 n.M pipe value 6.35mm 50 n.M (2) connection pipe dimensions: 12.7mm outdoor uint 3-way valve 2-way valve indoor unit indoor unit apply...

  • Page 92

    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 ...

  • Page 93

    2.Piping cutting and flaring be sure to carry out deburring after cutting with a pipe cutter. Insert flaring tool to make a flare. Installation inspection and test run: please operate unit according to this manual. Items to be checked during test run. Please made a '' '' in '' '' are there any gas l...

  • Page 94

    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 se...

  • Page 95

    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 o...

  • Page 96

    Hose expander a expansion size hose dia. Size (mm)a 0.8-1.5 1.0-2.0 6.35 mm(1/4) 12.7 mm(1/2) 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...

  • Page 97

    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. Make sure once more the proper level of the plate, by hanging a thread with a we...

  • Page 98

    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 th...

  • Page 99

    Screw with special washer screw with special washer round terminal round terminal terminal board wire wire fig. 18 insulation tube cord clamp 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 undern...

  • Page 100

    Wiring connection between i.U&o.U. 1 2 3 4 p q p q p q p q l n to power supply to power supply outdoor indoor >a__wcu[s^ a`v[e[a`wc -100-.

  • Page 101

    7.7 installation of outdoor 7.7.1 capacity combination and outdoor installation ■ au282xhbaa capacity combination the unit capacity and performance mode: (a stands for a system, b stands for b system . For testing result, we will not recommend 12000btu/h unit to you) au282xhbaa+072xcbaa*4 as followi...

  • Page 102

    Au282xhbaa+09xcbaa*2+14xcbaa*1 performance mode a: af092*1 as092*1 ab092*1 ae092*1 b: af142*1 as142*1 ab142*1 ae142*1 a: af092*2 as092*2 ab092*2 ae092*2 a: af092*2 as092*2 ab092*2 ae092*2 b: af142*1 as142*1 ab142*1 ae142*1 nominal capacity（btu/h） 12000 14000 14000 28000 rated power input（w）： 1550 15...

  • Page 103

    1 to 3 a1 a2 b1 b2 a1 a2 b1 outdoor unit indoor units 1 to 2 a1 a2 b1 b2 a1 b1 outdoor unit indoor units admissible pipe length and drop between the units: a. Max. Single distance piping length of unit a 1、unit a2 、unit ab1、unit b2: 25m; b. Max. Drop between a1 unit and a2 unit、b1unit and b2 unit:5m...

  • Page 105

    97.2-118.6n.M connecting method (indoor unit) apply refrigerant oil at half union as large and flare nut. To bend a pipe, give the roundness as possible not to crush the pipe. When connecting pipe, hold the pipe centre to centre then screw nut on by hand, refer to fig. Be careful not to let foreign ...

  • Page 106

    It shall use the vacuum pump of (lower than -755mmhg)high vacuum degree and large air discharging (over 40l/min). The vacuumizing time depends on the length of the connecting pipe, generally is 1~2 hours. When vacuumizing, it shall be confirmed both gas and liquid side valves are closed. If after 2 ...

  • Page 107

    When the total length (l) of the two indoor units' connecting pipe is less than 5m, it is unnecessary to charge additional refrigerant. If the connecting pipe (l) exceeds 5m, it shall charge mg additional refrigerant per meter. That is: refrigerant charging amount = (l-5) x m (g) for the unit with l...

  • Page 108

    ■ au422xibaa capacity combination the unit capacity and performance mode: (a stands for system a, b stands for system b) performance data of combination “au422xibaa+122x*baa × 4” as followings: performance mode a: af122*1 as122*1 ab122*1 ae122*1 b: af122*1 as122*1 ab122*1 ae122*1 a: af122*2 as122*2 ...

  • Page 109

    Pipe connections: 1 to 4 a1 a2 b1 b2 b2 a1 a2 b1 outdoor unit indoor units 1 to 3 (except for 21000btu/h units) a1 a2 b1 b2 outdoor unit indoor units a2 b1 b2 1 to 2 (except for 21000btu/h units) a1 a2 b1 b2 outdoor unit indoor units a2 b2 >a__wcu[s^ a`v[e[a`wc -109-.

  • Page 110

    Communication wire connection: 1. The indoor unit whose liquid pipe is connected to a1 in a system is called unit a1, its communication wire of a1(3)、 a1(4) should be connected to a1(p)、a1(q) respectively. 2. The indoor unit whose liquid pipe is connected to a2 in a system is called unit a2, its com...

  • Page 111

    Special installation guide to 21000btu indoor units on free multi system only for outdoor unit au422xibaa working with 21000btu indoor units 1. Special accessory pipes for 21000btu indoor units: a b changing pipe (1/2-5/8) collecting pipe (1/4-3/8) φ 12.7 φ 15.88 φ 6.35 φ 9.52 φ 6.35 2. Pipe install...

  • Page 112

    ■ au84nxtbaa the following performance data are based on the nominal cooling or heating conditions. (a stands for a system, b stands for b system) au84nxtbaa+282*4: performance mode a: ab282*1 ad282*1 b: ab282*1 ad282*1 a: ab282*2 ad282*2 ab282+ad 282 b: ab282*2 ad282*2 ab282+ad 282 a: ab282*2 ad282...

  • Page 115

    @ioigwmrq rj mqvweooewmrq vmwi /r qfmsjb @c glqr?Jjcb ?R nj?Acq ufcpc gr gq dgpk clmsef rm ugrfqr?Lb rfc ucgefr md rfc ?Gp amlbgrgmlcp rm npctclr d?Jjglek 9wnfmml ?Lb c?Prfos?Ic npctclrgmlk /r qfmsjb @c glqr?Jjcb ?Aampbgle rm qncagdga pcosgpckclrqk /l?Qnnpmnpg?Rc glqr?Jj?Rgml k?W jc?B rm ?Aagbclrqk ...

  • Page 116

    7cdcp rm rfc dmjjmugle dgespc dmp rfc bgqr?Lac @cruccl rfc dmslb?Rgml @mjrqk eof rfc slgrirfc slgr qfmsjb @c p?Gqcb ?R jc?Qr rmmkkeqcc rfc dgespc @cjmuf epf/l qlmuw pcegmlqiqlmujnpmmd d?Agjgrgcq qfmsjb @c sqcbeqcc rfc dgespc @cjmufk e5mmp qlmujnpmmd d?Agjgrgcq k?W jc?B rm b?Keck9m ?Tmgb glamltclgcla...

  • Page 118

    6xumqk ziohmqk rj wli peqmjroh smsi nk /l a?Qc md @p?Xgle ucjb md hmglri lgrpmecl ksqr @c dgjjcb gl rfc ngnc rm npctclr mvgbgx?Rgmlk ok 9fc pcdpgecp?Lr ngnc qfmsjb @c lcujwjk?Bc ?Lb ajc?Lk *spgle glqr?Jj?Rgmli bm lmr jcr u?Rcp ?Lb mrfcp qs@qr?Lac glrm rfc ngnck pk :qc rum qn?Llcpq rm rgefrcl rfc aml...

  • Page 119

    9gefrjw ajmqcb ,gcjb rs@c glqr?Jj?Rgml ,gcjb rs@c glqr?Jj?Rgml 9m rfc slgr 9m rfc slgr e-?Q qgbcfrfpccju?W t?Jtc e-?Q qgbc f?Aacqq fmjc *cr?Gjcb bg?Ep?K md rfc rfpccju?W t?Jtc 9m rfc e?Sec bgqrpg@srmp e1gosgb qgbcf?Aacqq fmjc 9fpccju?W t?Jtc dsjjw ajmqcb jgosgb qgbc skq skq ~mnncp ngnc 7cjgcd t?Jtc ...

  • Page 120

    9gefrjw ajmqcb 9m rfc slgr 9m rfc slgr e-?Q qgbcfrfpccju?W t?Jtc e-?Q qgbc f?Aacqq fmjc *cr?Gjcb bg?Ep?K md rfc rfpccju?W t?Jtc 9m rfc e?Sec bgqrpg@srmp e1gosgb qgbcf?Aacqq fmjc 9fpccju?W t?Jtc dsjjw ajmqcb jgosgb qgbc skq ~mnncp ngnc ;?Assk nskn -?Sec bgqrpg@srmp .Gefjnpcqqspc e?Sec 1mujnpcqqspc e?...

  • Page 121

    :qc ? T?Assk nskn ugrf fgef bcepcc md t?Asske@cjmujtrrkk.Ef ?Lb j?Pec tmjskc bgqnj?Ackclr e?@mtc qm1lkglf 9fc nskngle rgkc bcnclbq ml rfc jclerf md rfc amllcargle ngnck-clcp?Jjwigr r?Icq ?@msr ojp fmspqk2?Ic qspc rf?R rfc >jqf?Ncb t?Jtcq ml @mrf rfc e?Q ?Lb jgosgb qgbcq ?Pc ajmqcb @cdmpc nsknglek /d...

  • Page 122

    7cdpgecp?Lr bclqgrwwmkpeielk p f -+5eogxoewmrq rj uijumkiueqw hiqvmw\ ~?Jasj?Rgml ugjj @c k?Bc ?Aampbgle rm rfc dmjjmugle kcrfmbqw nf 9mr?J pcdpgecp?Lr amlrclr md c?Af qwqrck eief yamlrclr md n msrbmmp qwqrck h pcdgjjcb pcdpgecp?Lr ~mlrclr md n msrbmmp qwqrckw,?Armpw dgjjcb pcdpgecp?Lr 7cdgjjcb pcdp...

  • Page 123

    3mrcw 9fc ?Gp amlbgrgmlcp ksqr sqc qncag?J agpasgri ?Lb ugpgle @w rfc os?Jgdgcb cjcarpgag?L ?Aampbgle rm rfc ugpgle psjcq qncagdgcb gl l?Rgml?J qr?Lb?Pbk 9fc epmslbgle ugpc ?Lb rfc lcsrp?J ugpc qf?Jj @c qrpgarjw qcn?P?Rcbk ~mllcar rfc lcsrp?J ugpc ugrf epmslbgle ugpc gq glamppcark 9fc cjcarpga jc?I?...

  • Page 127

    8. Electric control function: 8.1 indoor unit 8.1.1 cooling operation 8.1.1.1 anti-freezed function of evaporator a. Be valid in cooling or defrost mode; be invalid in trial or heating mode. B. If the evaporator temperature is below -1 ℃ for 5 minutes, ourdoor fan and compressor will stop; if the ev...

  • Page 128

    Compensation of 5℃ will be valid. When tr＞ts+4℃，the compressor and outdoor motor will be off, indoor motor will run at anti-cold air mode. When tr will run at anti-cold air mode. *control of indoor motor: manual control:set high/med/low/auto speed due to the actual request. *flap position control: s...

  • Page 129

    8.2 electric funtions of outdoor 8.2.1 control of the compressor, outdoor motor and 4-way valve 8.2.1.1 outdoor fan motor control a. When system do not have overheating or over current protection, outdoor fan speed will vary with outdoor ambient temperature, as follows: a. In cooling mode te mp era ...

  • Page 130

    Changing from heating mode to cooling mode, 3 minutes later, it is shut off. E. In heating mode, when indoor temperature has arrived the set one (sensor is off), 4-way valve will be shut off 3 minutes later. 8.2.1.4 solenoid valve control cooling mode: after the outdoor unit receives the startup sig...

  • Page 131

    Communication resumes normal, it can enter normal operation and cancel the failure. When all indoor units can not communicate normally, it shows communciation malfunction. 8.2.2.4 solenoid valve control with single unit in cooling mode if indoor unit sends the “start-compressor” signal, the correspo...

  • Page 132

    ;0@^wuec[us^ h[c[`y v[sycs_ *tw 9yxhssv yrmx >a__wcu[s^ a`v[e[a`wc au282xhbaa: au422xibaa: valve a2 0010451214 5.Led3 flashing shows that failure occurs. On 3p side,led6 will be on,the cooling capacity is 24000-30000btu/h. 6.Cn19 is used to select outdooor capacity:on 5p side,led6 will be off,and th...

  • Page 133

    >a__wcu[s^ a`v[e[a`wc au84nxtbaa: 0010575119 transformer 3 valve b cn12 1 2 3 2 valve b outdoor wiring diagram cn17 2 cta note: 1.Communicaton terminal block connected to indoor can not be high voltage, or the pcb will be burned. 2.After powered on,the communication lamp on the pcb can not flash nor...

  • Page 134

    >a__wcu[s^ a`v[e[a`wc ab212xcbaa, ab282xcbaa, ab422xcbaa: 1 2 note: 1. Parts in dashed frames are factory optional . 3. P16 and p17 are used for room card function 2. Central controller and fresh air are optional. 4 3 power supply to outdoor unit circuit diagram of indoor unit 0010574152 4 (h ) (m )...

  • Page 135

    Ad282xhbaa, ad422xhbaa: power supply to outdoor unit 2 1 1. Central controller and fresh air are optional. 2. Dashed part is fan motor speed controller module 3. P16 and p17 are used for room card function 3 p17 sw3 (h) (m ) (co m m ) (l) (n') (h um i) (he a t ) (p um p) t3 .1 5a/2 50vac w y:yellow ...

  • Page 136

    As072xcbaa, as092xcbaa, as122xcbaa, as142xcbaa: wiring diagram indoor cn4 cn2 cn18 cn11 cn10 y/g w b 2(l) b 1(n) w y/g cn1 bl bl transformer r cn12 cn14 piping temp. Room temp. Cn5 r br r br gnd up swing motor emergency switch sw2 receiver display 0010573506 fan motor negative ion generator earth te...

  • Page 137

    320 @^wuec[u vses 10.1 pcb circuit diagram, printed diagram and ports functions >a__wcu[s^ a`v[e[a`wc au282xhbaa , au422xibaa pcb circuit diagram: -137-.

  • Page 138

    >a__wcu[s^ a`v[e[a`wc au282xhbaa , au422xibaa pcb printed diagram: -138-.

  • Page 139

    >a__wcu[s^ a`v[e[a`wc ports functions: cn1: communication port between indoor and outdoor of system b cn2: connection port of ambient temp. And system b coil temp. Sensor cn3: connection port of system a coil temp. Sensor cn4: connection port of system b discharging temp. Sensor cn5: connection port...

  • Page 140

    >a__wcu[s^ a`v[e[a`wc d c b a pb 4 (h s ) 1 an 0 /p d 0 2 an 1 /p d 1 3 an 2 /p d 2 4 an 3 /p d 3 5 an 4 /p d 4 6 an 5 /p d 5 7 va r e f 8 vs s a 9 an 8 /p f 0 10 be e p /p f1 11 pf 2 (h s) 12 an 1 0/ p f 4 13 ic ap 1 _ a/ p f 6 (hs ) 14 ex tc l k _a /p f 7 (h s) 15 a n 1 2/ o cm p2 b/ pc0 16 a n 1 ...

  • Page 141

    >a__wcu[s^ a`v[e[a`wc au 84nxtbaa pcb printed diagram: -141-.

  • Page 142

    >a__wcu[s^ a`v[e[a`wc ports functions: cn1: communication port between indoor and outdoor of system b cn2: connection port of ambient temp. Sensor cn3: connection port of system b coil temp.Sensor and discharging temp. Sensor cn4: connection port of system a coil temp.Sensor and discharging temp. Se...

  • Page 143

    >a__wcu[s^ a`v[e[a`wc 1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 9 ic 1 2003 c3 2 104 1 p2 -p 6 187 e6 4.7uf in out w1 7812 rl 1 jq 1 a p- 1 rl 3 jq 1 a p- a rl 6 jq 1 a p- a ab, ae, ad units pcb circuit diagram: -143-.

  • Page 144

    >a__wcu[s^ a`v[e[a`wc ab, ae, ad units pcb printed diagram: -144-.

  • Page 145

    >a__wcu[s^ a`v[e[a`wc condition for the pcb data: 1.Working ambient temperature:－10℃～70℃, relative humidity:30%～95% 2.Preserved ambient temperature:－20℃～80℃，relative humidity：30%～95% 3.Power supply:220vac、50/60hz，voltage range:160v～250v 4.Precise of temperature control: ±1℃ p ort and definition p1——...

  • Page 146

    >a__wcu[s^ a`v[e[a`wc lamp 0vdc,6. Signal output of power lamp 0vdc, 7. Signal output of water pump running lamp 0vdc） cn14——control external load, auto elevating function （1. Signal of door switch close, 2. Output of elevating direction control 0vdc, 3. Output of elevating power control 0vdc, 4. Po...

  • Page 147

    >a__wcu[s^ a`v[e[a`wc af07~142xcbaa main control pcb circuit diagram: p7 7 1 p7 6 2 p7 5 3 p7 4 4 p7 3 5 p7 2 6 p7 1 7 p7 0 8 p0 7 9 p0 6 10 p0 5 11 p0 4 12 p0 3 13 p0 2 14 p0 1 15 p0 0 16 tes t 17 re se t 18 xin 19 xout 20 vs s 21 var ef 22 p6 0 23 p6 1 24 p6 2 25 p6 3 26 p6 4 27 p6 5 28 p6 6 29 p6...

  • Page 148

    >a__wcu[s^ a`v[e[a`wc 1 2 3 4 56 a b c d 6 5 4 3 2 1 d c b a +12v vi n 1 gnd 2 v out 3 ic 3 7805 c1 1 100uf /16v +5 le d 1 g r een ic 4 p 521 gn d c3 2. 2nf /1k v c4 0. 1uf /50v c5 2. 2nf y 1 d5 u f 4005 d6 m u r 410 100v 4a 1 2 3 4 t 135-265v a c c2 22uf 400v c6 1000uf 25v c8 470uf /25v l2 3. 3uh 2...

  • Page 149

    >a__wcu[s^ a`v[e[a`wc af07~142xcbaa pcb printed diagram: -149-.

  • Page 150

    >a__wcu[s^ a`v[e[a`wc ports functions of main control board: cn1: power supply neutral wire input port cn2: power supply live wire input port cn3, cn4: power supply live wire and neutral wire input of filter board cn5: upper motor control port cn6: lower motor control port cn7: lower motor feedback ...

  • Page 151

    >a__wcu[s^ a`v[e[a`wc c2 1 1 02 c9 10 4 c2 0 10 2 c1 7 10 2 r3 6 10 k 1 22 0v l 1 22 0v n fu se 1 t3 .1 5a c2 0. 1uf /2 75v e1 22 00u /25v e8 22 0u /1 6v +5 vin 1 gnd 2 vo ut 3 w1 78 05 c7 10 4 rv 1 s 14k 350 pt c4 1 ir q 2 rst 3 p tf 0 /tac h2 4 p tf 1 /tac h3 5 p tf 2 /tac h2 6 p tf 3 /tac h3 7 p ...

  • Page 152

    >a__wcu[s^ a`v[e[a`wc as07~142xcbaa pcb printed diagram: ports functions: cn1: to remote receive board cn19, cn20: fresh air function control port cn2: to outdoor communication port sw2: emergency switch cn3: swing motor control port sw1: used to select room card function cn4: fan motor feedback sig...

  • Page 153

    >a__wcu[s^ a`v[e[a`wc model part no. Sub-part no. Part name characteristic 001a3900153 001a3800090 001a3800091 ambient temp sensor 1.R25=5kΩ±1% b25/50=3450k±1% 2.R25=5kΩ±1% b25/50=3450k±1% 0010450243 001a3800091 a system coil temp sensor r25=5kΩ±1% b25/50=3450k±1% 0010450398 001a3800096 a system dis...

  • Page 154

    >a__wcu[s^ a`v[e[a`wc t(℃) rnom(kΩ) t(℃) rnom(kΩ) t(℃) rnom(kΩ) t(℃) rnom(kΩ) -20℃ 47.12 24℃ 5.235 -20℃ 281.34 24℃ 24.12 -19℃ 45.17 25℃ 5 -19℃ 263.56 25℃ 23 -18℃ 43.24 26℃ 4.778 -18℃ 247.04 26℃ 21.94 -17℃ 41.35 27℃ 4.567 -17℃ 231.66 27℃ 20.94 -16℃ 39.49 28℃ 4.36 -16℃ 217.35 28℃ 19.99 -15℃ 37.68 29℃ ...

  • Page 155

    >a__wcu[s^ a`v[e[a`wc t(℃) rnom(kΩ) t(℃) rnom(kΩ) t(℃) rnom(kΩ) t(℃) rnom(kΩ) -30 11600 24 536.6 -20℃ 90.79 34 6.95 -29 10860 25 511.1 -19 85.72 35 6.68 -28 10170 26 486.9 -18 80.96 36 5.43 -27 9529 27 464 -17 76.51 37 5.6 -26 8932 28 442.3 -16 72.33 38 5.59 -25 8375 29 421.7 -15 68.41 39 5.73 -24 7...

  • Page 156

    >a__wcu[s^ a`v[e[a`wc 11. Failure code and troubleshooting 11.1 free multi outdoor unit fault code: outdoor lamp flash times fault code 1 discharging a pipe temp. Too high 2 outdoor coil a temp. Sensor failure 3 outdoor ambient temp. Sensor failure 4 air outlet a temp. Sensor failure 5 outdoor coil ...

  • Page 157

    >a__wcu[s^ a`v[e[a`wc 11.2 for wall mounted type and the console type unit, their failure code is below: failure description code on wired controller (yr-e06) flash times of indoor receiver board room temp. Sensor abnormal ⊙ f1 power led flashes 1 time indoor coil temp. Sensor abnormal (liquid pipe)...

  • Page 158

    >a__wcu[s^ a`v[e[a`wc 11.3 for cassette unit and duct unit, the f ailure code as follow: for remote type, flash times failure code on wired controller for central control, failure code failure description reason remarks 10 08(08h) 21d drainage system abnormal float switch broken down for more than 2...

  • Page 159

    >a__wcu[s^ a`v[e[a`wc 2m continuously 13 13(0dh) 31d solenoid valve abnormal solenoid valve act incorrectly 3 times continuously ○ 14 76(4ch) 15d discharging temp. Sensor abnormal sensor broken down or short circuit for more than 2m continuously ○ 15 05(05h) 17d eeprom abnormal eeprom data missing r...

  • Page 160

    >a__wcu[s^ a`v[e[a`wc 11.4 troubleshooting confirm operating conditions no yes yes no no need to replace mainboard. The fault may be caused by power supply yes no does the same fault occur before? Yes no no need to replace mainboard. Contactor wasn't in good contact no need to replace mainboard. (ch...

  • Page 161

    >a__wcu[s^ a`v[e[a`wc if sensor is fixed well relocate reconnect no 2) sensor failure check if the wiring is correct according to wiring diagram is sensor short-circuit or open-circuit? Replace sensor is sensor resistance acceptable? Replace sensor is dc voltage between both ends of sensor near 5v o...

  • Page 162

    >a__wcu[s^ a`v[e[a`wc replace outdoor pcb check if indoor/outdoor pcb fuse and transformer are normal if failure is eliminated replace indoor pcb if communication wire is broken are communication wire p, q connected contrarily and supply wires l and n properly connected? Is communication wire too cl...

  • Page 163

    >a__wcu[s^ a`v[e[a`wc an external alarm is identified according to the list of fault codes no 6) external alarm is an external alarm connected to the system? Is alarm terminal in mainboard disconnected? Yes short connect that terminal solve problem accordingly yes if failure disappear after pcb is c...

  • Page 164

    >a__wcu[s^ a`v[e[a`wc check fan motor and capacitor note: this protection feature is not available with all models. In the event that compressor is on and off frequently for no reason, check if the compressor is provided with discharging temperature protection. The protection is activated when tempe...

  • Page 165

    >a__wcu[s^ a`v[e[a`wc 9) low pressure protection confirm the fault according to the fault code list are connectors of pressure switch in good condition? No check and reconnect yes is low side pressure switch activated? (if not, dc voltage is 0v.) no replace pcb is the low side pressure detected by t...

  • Page 166

    >a__wcu[s^ a`v[e[a`wc yes if outdoor stop valves of gas pipe and liquid pipe are open totally open the valves no is indoor filter or heat exchanger dirty? Cleaning yes yes repair fan motor or fan capacitor no no repair pipe yes is piping twisted or deformed? Yes does indoor fan work properly during ...

  • Page 167

    >a__wcu[s^ a`v[e[a`wc 11) fault in drain system confirm the malfunction according to the fault code list no yes replace water pump yes yes clean drain pan no is float switch holder tinted that float can't move, or too close to pump motor that interference arises? Yes adjust holder no yes replace flo...

  • Page 168

    >a__wcu[s^ a`v[e[a`wc 1 2) temperature cutoff protection confirm the malfunction according to the fault code list yes yes no yes no yes no yes no yes no replace sensor yes replace indoor pcb are indoor sensors for ambient temperature and coil properly located? Is resistance of indoor sensor correct?...

  • Page 169

    >a__wcu[s^ a`v[e[a`wc 13) fault in indoor fan motor confirm the malfunction according to the fault code list no no yes no yes yes no no yes yes yes no no no no yes yes yes yes yes no no replace fan motor no no yes yes is power supply good? Yes is indoor status indication good? Is fuse in good condit...

  • Page 170

    >a__wcu[s^ a`v[e[a`wc 12. Performance curves indoor temp. D.B. / w.B. 18℃ 20℃ 25℃ 32℃ 35℃/24℃ 40℃ 43℃ 46℃ 18/14℃ 7.6 7.5 7.2 6.8 6.4 6.1 5.8 5.5 20/15℃ 7.9 7.7 7.5 7.2 6.7 6.4 6.1 5.8 22/16℃ 8.1 7.9 7.7 7.5 7.2 6.6 6.4 6.1 25/18℃ 8.7 8.5 8.3 8.1 7.7 7.2 7.0 6.7 27/19℃ 9.0 8.8 8.7 8.5 8.2 7.5 7.3 7.0...

  • Page 171

    >a__wcu[s^ a`v[e[a`wc indoor temp. Db/wb 18℃ 20℃ 25℃ 32℃ 35℃ 40℃ 43℃ 46℃ 18/12℃ 7147 7013 6864 6382 6067 5848 5523 5199 18/14℃ 7581 7455 7322 6903 6908 6070 5796 5490 20/15℃ 7835 7688 7600 6970 7109 6411 6048 5769 22/16℃ 8092 7909 7919 7514 7338 6604 6420 6067 25/18℃ 8684 8425 8558 8111 7776 7192 69...

  • Page 172

    >a__wcu[s^ a`v[e[a`wc indoor temp. Db/wb 18℃ 20℃ 25℃ 32℃ 35℃ 40℃ 43℃ 46℃ 18/12℃ 2629 2703 2754 2996 3237 3370 3540 3702 18/14℃ 2674 2754 2796 3049 3170 3415 3573 3731 20/15℃ 2702 2783 2822 3165 3179 3456 3607 3777 22/16℃ 2733 2816 2851 3113 3247 3490 3644 3824 25/18℃ 2801 2893 2918 3188 3329 3582 37...

  • Page 173

    >a__wcu[s^ a`v[e[a`wc indoor temp. Db/wb 18℃ 20℃ 25℃ 32℃ 35℃ 40℃ 43℃ 46℃ 18/12℃ 7.82 7.77 8.02 7.93 8.86 9.37 9.55 9.97 18/14℃ 9.32 9.34 9.46 9.83 9.88 10.43 10.74 10.87 20/15℃ 10.42 10.46 10.53 11.07 10.35 11.59 11.9 12.08 22/16℃ 11.57 11.65 11.64 11.95 12.24 12.81 13.02 13.19 25/18℃ 13.65 13.79 13...

  • Page 174

    >a__wcu[s^ a`v[e[a`wc indoor temp. Db/wb 18℃ 20℃ 25℃ 32℃ 35℃ 40℃ 43℃ 46℃ 18/12℃ 6100 6064 5920 5843 5472 5160 4983 4837 18/14℃ 5191 5126 5059 4884 4859 4451 4322 4205 20/15℃ 5678 5631 5581 5301 5147 4908 4808 4651 22/16℃ 6152 6100 6088 5915 5810 5454 5319 5167 25/18℃ 6651 6552 6591 6432 6246 5992 58...

  • Page 175

    >a__wcu[s^ a`v[e[a`wc 12.2 au422xibaa cooling capacity (kw) changing with indoor/outdoor temperature 8.0 10.0 12.0 14.0 16.0 18/14℃ 20/15℃ 22/16℃ 25/18℃ 27/19℃ 30/22℃ 32/23℃ indoor d.B./w.B. Cooling capacity 18℃ 20℃ 25℃ 32℃ 35℃/24℃ 40℃ 43℃ 46℃ power comsumption changing with indoor/outdoor temperatu...

  • Page 176

    >a__wcu[s^ a`v[e[a`wc heating capacity and indoor/outdoor temp. Curves-au28 6000 7000 8000 9000 10000 11000 12000 13000 —5 ℃ 0 ℃ 5 ℃ 7 ℃ /6 ℃ 10 ℃ 15 ℃ 24 ℃ outdoor temp. Heat ing c apac ity ( w ) 20/15℃ 20/12℃ 20/14.5℃ 27/18℃ heating capacity and indoor/outdoor temp. Curves-au42 9000 11000 13000 15...

  • Page 177

    >a__wcu[s^ a`v[e[a`wc heating power input-indoor/outdoor temp curves --au282xhbaa 2500 2700 2900 3100 3300 3500 3700 3900 4100 15/10℃ 18/13℃ 20/14.5℃ 27/18℃ indoor temperature(db/wb) pow er input ( w ) —5℃ 0℃ 5℃ 7℃/6℃ 10℃ 15℃ 24℃ heating power input-indoor/outdoor temp. Curves-- au422xibaa 2500 3500...

  • Page 178

    >a__wcu[s^ a`v[e[a`wc 13. Air volume and external static pressure curves air volume and external static pressure curves --ae072xcbaa, ae092xcbaa 0 100 200 300 400 500 600 700 800 30 pa 25 pa 20 pa 15 pa 10 pa 5p a 0p a external static pressure（pa) ai r v o lu me （ m3 /h ) super high high med low air...

  • Page 179

    0.. +0., /3. +/3, /.. +/., 3. +3, . +.,/3 /4 /5 ts 7fm cgjq +h -hfi, 1 no?Of@ kmbnnpmb =? +hh7l, >o?Ia?Ma 9r?Hkgb jc ap@o :fde ;jq 8jiafofji jc no?Ia?Ma m?Ofid +7fm cgjq 6 /.. +/., =? +hh7l, 00 02 03 8 7 6 5 4 2 3 2 3 4 5 6 7 8 gjqbm gfhfo pkkbm gfhfo >a__wcu[s^ a`v[e[a`wc ad282xhbaa: 0.. +0., /3. +...

  • Page 180

    Memo commercial air conditioner.

  • Page 181

    >a__wcu[s^ 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 t...