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Haier AD182ALERA Service Manual

Manual is about: DUCT TYPE 20Pa INDOOR UNIT

Summary of AD182ALERA

  • Page 1

    Commercial air conditioning service manual models ad182alera ad362ahera features can be connected with the universal outdoor unit infrared control type or wired control type low ambient cooling kit (optional) and low ambient heating kit (optional) new friendly refrigerant r410a, environment protecti...

  • Page 2: Contents

    2 contents 1. Description of products & features………………………..3 model: ad182alera ad362ahera 3. Safety precaution…………………………………………...9 5. Parts and functions…………………………………………12 4. Net dimension………………………………………………11 2. Specification…………………………………………………7 6. Installation instructions………..……………………………13 7. Cont...

  • Page 3

    3 1.Description of products & features climate type: t1 (see table 1) design number (a-g stands for fixed frequency type, r-z stands for dc inverter frequency type) product type: a stands for heat pump type, refrigerant is r22 b stands for heat pump type, refrigerant is r407c e stands for heat pump ...

  • Page 4

    4 1.4 product features adopt the much friendlier refrigerant r410a the air conditioner system adopts the greatly friendly refrigerant r410a, which is protective for the ozone layer and is good to avoid the earth getting warmer. Benefit for the environment. Universal outdoor unit the outdoor unit has...

  • Page 5

    5 1.5 new friendly refrigerant r410a introduction: ■ r410a the working pressure of r410a is approximately 1.6 times higher than r22. Because the oil in the refrigerant is different, please do not mix them. Refrigerant r22 (single) r410a (mixed) r407c (mixed) oil mineral oil (sontex 200lt) synthetic ...

  • Page 6

    6 ■ piping material 1. Use the correct refrigerant piping and materials for r410a 2. For the pipe wall thickness, see the table below: pipe diameter Φ 6.35 Φ 9.52 Φ12.7 Φ15.88 Φ19.1 pipe wall thickness 0.8 0.8 0.8 1.0 1.2 note: always observe and comply with the local regulations when installing the...

  • Page 7

    7 2. Specification function cooling heating capacity kw 4.8(1.8--5.8) 5.5(2.0---6.8) kw 1.65(0.55---2.65) 1.70(0.60---2.65) w 2650 2650 eer or cop w/w 2.91(c) 3.24(c) dehumidifying capacity 10‐³×m³/h a / a 7.5(3.0---12.0)/12a 7.5(3.0---12.0)/12a start current a class of anti electric shock class 1 m...

  • Page 8

    Norminal condition: indoor temperature (cooling): 27℃db/19℃wb, indoor temperature (heating): 20℃db outdoor temperature(cooling): 35℃db/24℃wb, outdoor temperature(heating): 7℃db/6℃wb the noise level will be measured in the third octave band limited values, using a real time analyser calibrated sound ...

  • Page 9

    3. Safety precaution 3. Safety precaution carefully read the following information in order to operate the airconditioner correctly. Below are listed three kinds of safety cautions and suggestions. Warning! Caution! Incorrect operations may result in injuries or machine damages; in some cases may ca...

  • Page 10

    Air-conditioner can't be installed in the environment with inflammable gases because the inflammable gases near to air-conditioner may cause fire hazard. Connect earthing wire. Use discharge pipe correctly to ensure efficient discharge. Earthing wire should not be con- nected to the gas pipe, water ...

  • Page 11

    4. Net dimension air discharge hole 1 z [ \ ] ^ _ ` a b z [ \ ] ^ _ ` a b 5446 8 575 5549 699 549 =;4 664 ad182alera ad362ahera 800 1320 830 1200 170 270 250 365 185 250 60 45 1105 (mm) model: ad182alera ad362ahera commercial air conditioner 1.

  • Page 12

    5. Parts and functions electrical components case drain pan evaporator air outlet frame ad182alera ad362ahera xzxujsinsl utqj lzfwinsl uqfyj j[futwfytwnnsxnijo izhy iwfns unuj jqjhywnh gt] xytu [fq[j xzxujsinsl gtqy model: ad182alera ad362ahera commercial air conditioner 12.

  • Page 13

    6. Installation instructions 13 q\y ]bxccf ib]h g\u`` vy ]bghu``yx uh `cwuh]cbg k\yfy wc`x ubx \ch u]f wci`x yjyb`m w]fwi`uhyx2 q\y zc``ck]b[ `cwuh]cbg g\ci`x vy ujc]xyx> m`uwyg k]h\ f]w\ gu`h -gyug]xy ufyu.2 m`uwyg k]h\ d`ybhm cz [ug gi`z]xyg -au]b`m ]b kufa gdf]b[ ufyug k\yfy h\y wcddyf hivy ubx v...

  • Page 14

    14 ngl]@ w`]f [gff][laf_ l`] k`gjl \m[lk2 mk] l`] dgo klyla[ l]jeafydk2 o`a[` [gdgj ak o`al]4 t`] \aklyf[] l ^jge l`] yaj gmld]l g^ l`] \m[l lg l`] yaj gmld]l g^ l`] kaj [gf\alagf]j k`ydd z] fg egj] l`yf 7 e4 aaj \akljazmlyjq aaj j]lmjf \m[l aaj j]lmjf zdaf\ smkh]f\af_ `ggc djyaf hah] tjyfkalagf \m[...

  • Page 15

    15 9 t`]jeyd afkmdylagf g^ \m[l aaj3k]f\af_ \m[l yf\ yaj j]lmjf \m[l k`ydd z] l`]jeyddq afkmdyl]\4 fajkl kla[c l`] _dm]q fyad gf l`] \m[l2 l`]f ylly[` l`] `]yl hj]k]jnylagf [gllgf oal` y dyq]j g^ laf^gad hyh]j yf\ mk] l`] _dm]q fyad [yh lg ^ap4 fafyddq mk] l`] laf^gad y\`]kan] lyh] lg k]yd l`] [gff]...

  • Page 16

    1 nyei]fyaybhg p\y ]bxccf xfu]b d]dy g\u`` vy h\yfau` ]bgi`uhyx1 p\y wcbbywh]cb dufh vyhkyyb h\y xfu]b d]dy ubx h\y ]bxccf ib]h g\u`` vy ]bgi`uhyx gc ug hc dfyjybh xyk [ybyfuh]cb1 p\y xfu]b d]dy g\u`` vy g`ubh xckbkufxg -[fyuhyf h\ub 42433.1 p\y a]xx`y dufh g\u`` bch vy cz o hmdy y`vck/ ch\yfk]gy uv...

  • Page 17

    Oidd`yaybhufmfyzf][yfubh p\y fyzf][yfubh gidd`yaybhuh]cb g\u`` vy ug gdyw]z]yx ]b h\y ]bghu``uh]cb ]bghfiwh]cbg uhhuw\yx k]h\ h\y cihxccf ib]h1 p\y uxx]b[ dfcwyxify g\u`` vy u]xyx k]h\ u ayugif]b[ ayhyf zcf u gdyw]z]yx uacibh cz gidd`yaybhyx fyzf][yfubh1 nyei]fyaybh ljyfz]``]b[ cf ibxyfz]``]b[ cz fy...

  • Page 18

    B`ywhf]w k]f]b[ s>nkfkd a>kdbn lc ?Lafit fkgqnt ln ab>pe pqnk lcc bib@pnf@ mlsbn >p @fn@qfp ?Nb>hbn ln mlsbn olqn@b ?Bclnb j>hfkd >kt bib@pnf@ @lkkb@pflko1 dnlqka @lkkb@pflko jqop ?B @ljmibpba ?Bclnb j>hfkd ifkb rlip>db @lkkb@pflko1 -4. Oy`ywh]cb cz g]ny cz dckyf gidd`mubx ]bhyfwcbbywh]b[ k]fyg1 mfy...

  • Page 19

    19 ad 2a era 6. Installation for 2 36 h 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 airflow has no obstacles. When importing outside air, it should be...

  • Page 20

    (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 (use m10 screw bolt) in order to bear the weight of the unit, for existed ceiling, using foundation screw bolt, for new ceiling, using burying embed...

  • Page 21

    Drainage test conduct a drainage test after completion of the electrical work. During the trial, make sure that drain flows properly through the piping and that no water leaks from connections. In case of a new building, conduct the test before it is furnished with the ceiling. Be sure to conduct th...

  • Page 22

    The calculation of duct resistance (the simple calculation is as follow table) straight part bend part air out part static pressure box air inlet grille (with air filter) calculate as per 1m length 1pa, 1pa/m each bend takes as a3~4m long straight duct calculate as 25pa calculate as 50pa/each calcul...

  • Page 23

    Air discharging fan improper example 10. The operation method of fan controller through the fan controller switch in the electric box, the air volume of this unit can be continuously adjusted. It is unnecessary to adjust air volume through the duct side wind level (unit outside static adjustment). T...

  • Page 24

    24 5. Electric wiring (1) selection of size of power supply and interconnecting wires. Precautions for electric wiring electric wiring work should be conducted only by authorized personnel. Do not connect more than three wires to the terminal block. Always use round type crimped terminal lugs with i...

  • Page 25

    25 (2) wiring connection make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by terminals. Item model phase 3 switch breaker (a) circuit breaker overcurrent protector rated capacity (a) power source wire size (minimum) (mm 2 ) 30 20 2.5 switch breaker(a...

  • Page 26

    * 740:a7 + ;=34 50 @d8 a4;> 2:=29 a8;4? @4a ?42=c4?F 27429 58:a4? ?4@4a ;=34 50 0ba= 0ba= 50 2==: 3?F 740a a4@ 7867 ;43 :=d 58e 24 =>4?0a8= @a0 >?4-740a 345?=@a 58:a4? 740:a7 27429 @d8 b 34;0 ;0 24 @f@.033. ?==; a4;>. @4a a4;>. A8;4? 2:=29 b> 3=d = =55 308:f 0ba= ?42=c4?F ==55 7. Controller function...

  • Page 27

    High mid 3 1 mid low low high 2 0 Δt Δt 1.General features 1.1 control mode: remotr or wired control + connecting port of long-distance control + passive port control. 1.2 temperature control: 16-30℃ ; 1.3 precise of temperature control: ±1℃ ; 1.4 indoor fan speed: auto, high, middle, low (no auto w...

  • Page 28

    Conditions, then perform the selected mode. Tr≥ts-3℃ select cool mode (includes fan mode) tr＜ts-3℃ select heat or fan mode 4.2 after entering the auto mode, the mode can change over among cool, heat or fan modes according to the indoor ambient temperature (conversion temperature difference is ±3℃). ...

  • Page 29

    Speed, this area is defined as area a; 0≤Δt≤2, the compressor and the outdoor motor will always run for 10 minutes and then stop for 6 minutes, indoor motor will be low speed, this area is defined as area b; Δ t＜0, the compressor and the outdoor motor will stop, indoor motor will run at low speed, t...

  • Page 30

    7.6 anti-cold air function in heating mode after entering heating mode, or last defrosting is over, the compressor will start up, if tg＜28℃, indoor motor will stop; if 38℃>tg≥28℃, indoor motor will run at low speed; if tg≥38℃ or the compressor has run for over 4 minutes, indoor motor will run at the...

  • Page 31

    Receiving the timer signal for the last time. The sleep function only can be set before the timer on begins. Timer off: the unit running, the timer led on, while the timer is over, timer led off, the unit will stop, the sleep can be set, the sleep time will replace the original time of timer on/off....

  • Page 32

    Pressure is too low and low pressure switch is running for 30 senconds, compressor and outdoor fan motor will stop and will send failure 13. Trouble code the remote receiver, wired controller and indoor pcb indicator all can indicate the failure code. Remote control indoor pcb flash times wired cont...

  • Page 33

    Temp. Sensor-multi) 21 20(32d) 07d module failure module overheat, overcurrent, short-circuit due to the signal, resumable 22 36(54d) 08d fault in zero-load current sensor failure or compressor is not started due to the signal, resumable 14 jumper selection (√shows jumper connected, on; ×shows jumpe...

  • Page 34

    9. Electric data 9.1 wiring diagram ad182alera circuit diagram of indoor unit 0010576547 (freeze) cn8 sw2 bl p13 (humi) (pump) (heat) y (l) (fresh) p8 p9 p7 p12 p10 p11 (comm) w (n') (m) (h) sw3 p17 (l') p14 p15 sw5 sw4 p16 cn4 cn5 cn1 trans. Switch (door) (controller) wired controller (float) cn15 ...

  • Page 35

    0010451 cn12 cn15 cn16 cn11 cn17 led1 cn14 cn13 cn20 sw3 sw2 cn21 sw5 sw4 cn19 cn7 led4 led5 cn5 cn4 p5 p7 p9 p6 p8 p10 p12 p11 p15 p14 p13 p17 cn1 p4 p3 p2 p1 p16 cn8 cn6 sw1 690 e for ad182alera and ad362ahera model: ad182alera ad362ahera commercial air conditioner 35.

  • Page 36

    T(℃) rnom(kΩ) t(℃) rnom(kΩ) t(℃) rnom(kΩ) t(℃) rnom(kΩ) t(℃) rnom(kΩ) -20℃ 281.34 24℃ 24.12 -20℃ 90.79 24 10.43 68 2.09 -19℃ 263.56 25℃ 23 -19 85.72 25 10 69 2.03 -18℃ 247.04 26℃ 21.94 -18 80.96 26 9.59 70 1.96 -17℃ 231.66 27℃ 20.94 -17 76.51 27 9.21 71 1.9 -16℃ 217.35 28℃ 19.99 -16 72.33 28 8.84 72...

  • Page 37

    Is actual pressure detected by pressure gage acceptable? Yes no low pressure failure no high pressure failure yes yes is high pressure too low? No is pipe blocked? Yes refrigerant charge is needed. Check if there is refrigerant leak. If yes, replace pipe. Yes dredge piping change pressure switch no ...

  • Page 38

    3 ) 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 the gage lower than th...

  • Page 39

    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 cooling cycle? Does ou...

  • Page 40

    Check if indoor/outdoor pcb fuse and transformer are normal if failure is eliminated replace outdoor pcb replace indoor pcb if communication wire is broken are communication wire s and supply wires l and n properly connected? Grounded well? Is communication wire too close to power cable, which cause...

  • Page 41

    7) high current protection in 3-phase fixed frequency models is three-phase circuit not balanced? Is supply voltage too low? Is supply voltage too low at compressor start-up? Yes no re-wiring yes is compressor current more than overcurrent protection limit? Is current detecting circuit in good condi...

  • Page 42

    9) overcurrent protection for single-phase fixed frequency models is supply voltage too low? Especially when compressor starts up? Modify power supply circuit no no re-wiring yes is compressor current more than overcurrent protection limit? Is current detecting circuit in good condition? No confirm ...

  • Page 43

    10) 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? Does four-way valve wo...

  • Page 44

    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 float switch no replace i...

  • Page 45

    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 condition? Replace fuse when...

  • Page 46

    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. (check operating status in details, e.G. Timer...

  • Page 47

    11. Noise level charts model: ad182alera ad362ahera commercial air conditioner noise level-ad182alera 6 10 14 18 22 26 30 34 38 42 46 50 25 31. 5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 6300 8000 10000 12500 160000 20000 third octave band frequency...

  • Page 48: Sincere Forever

    Sincere forever haier group haier industrial park, no.1, haier road 266101, qingdao, china http://www.Haier.Com model: ad182alera ad362ahera commercial air conditioner.