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Haier 1U12BE2ERA Service manaul

Manual is about: Wall Mounted Type DC Inverter SUPER MATCH

Summary of 1U12BE2ERA

  • Page 1

    Service manaul wall mounted type dc inverter super match 1u12be2era hsu12vhgl-w model no. This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of po...

  • Page 2: Contents

    Contents domestic air conditioner contents 1. Introduction ............................................................................................1 2. Specifications.........................................................................................7 3. Sensors list ..........................

  • Page 3: 1 Introduction

    Introduction domestic air conditioner 1 introduction 1.1 model name explanation 1 u 1 2 b e 2 e a r the maximum combination number type of outdoor unit : u (normal type) nominal cooling capacity (12000btu/h) platform of outdoor units: b (b platform) europe version number heat pump & r410a refrigeran...

  • Page 4

    Introduction domestic air conditioner 1.2 safety cautions be sure to read the following safety cautions before conducting repair work. The caution items are classified into “warning” and “caution”. The “warning” items are especially important since they can lead to death or serious injury if they ar...

  • Page 5

    Introduction domestic air conditioner warning do not repair the electrical components with wet hands . Working on the equipment with wet hands can cause an electrical shock do not clean the air conditioner by splashing water. Washing the unit with water can cause an electrical shock. Be sure to prov...

  • Page 6

    Introduction domestic air conditioner warning be sure to use an exclusive power circuit for the equipment, and follow the technical standards related to the electrical equipment, the internal wiring regulations and the instruction manual for installation when conducting electrical work. Insufficient...

  • Page 7

    Introduction domestic air conditioner do not install the equipment in a place where there is a possibility of combustible gas leaks. If a combustible gas leaks and remains around the unit, it can cause a fire. Be sure to install the packing and seal on the installation frame properly. If the packing...

  • Page 8

    Introduction domestic air conditioner check the grounding, and repair it if the equipment is not properly grounded. Improper grounding can cause an electrical shock. Be sure to measure the insulation resistance after the repair, and make sure that the resistance is 1 m ohm or higher. Faulty insulati...

  • Page 9: 2 Specifications

    Specification domestic air conditioner 2 specifications nominal distribution system voltage 1 / e s a h p 0 6 z h y c n e u q e r f 0 3 2 v e g a tl o v nominal capacity and nominal input g n it a e h g n il o o c capacity rated btu/h 12000(4780-13300) 13500(5120-13990) power consumption(rated) btu ...

  • Page 10: Sensors List

    Specification domestic air conditioner technical specifications-others refrigerant circuit refrigerant type r410a refrigerant charge lb 2.64 maximum allowable distance between indoor an outdoor in 49.2 maximum allowable level difference in 32.8 refrigerant control capillary piping connections (exter...

  • Page 11: Pinping Diagrams

    Pinping diagrams domestic air conditioner 4 ． pinping diagrams 9.

  • Page 12: Operation Range

    Operation range domestic air conditioner 5 ． operation range 10 f f 68 86 104 122 64.4 109.4 114.8 50 68 86 60.8 73.4 89.6 50 68 86 14 19.4 23 32 41 50 59 68 77 75.2 °f °f 16.4in in.

  • Page 13

    Wiring diagrams domestic air conditioner 6. Printed circuit board connector wiring diagram connectors pcb (1) control pcb series pcb connector connect with load 1 cn1 connector for power n and l 2 cn2 3 cn3 connector for ground 4 cn4 connector for communicate between indoor and outdoor unit 5 cn8 co...

  • Page 14

    Wiring diagrams domestic air conditioner pcb (2) module pcb series pcb connector connect with load 1 p (cn1) connector for capacitance board 2 n (cn5) 3 lo (cn6) connector for reactor 4 li (cn7) 5 cn2 connector for the u, v, w wire of the compressor 6 cn3 7 cn4 8 cn10 connector for the dc power 5v a...

  • Page 15

    Wiring diagrams domestic air conditioner pcb (1) cn1 cn2 cn3 cn22 cn8 cn9 cn21 cn10 cn17 cn18 cn19 cn20 cn23 cn24 cn26 cn4 cn16 cn5 cn6 13.

  • Page 16

    Cn1 cn2 cn3 cn4 cn5 cn6 6 cn7 pcb (2) dom wirin mestic air co ng diagrams onditioner cn1 cn1 s 11 10 14.

  • Page 17: Wiring Diagrams

    Functions and control domestic air conditioner wiring diagrams w：white w v u b w r r cn13 cn10 cn16 am bient suction bl bl cn20 cn15cn14 pe cn22 cn1 cn5 cn6 cn7 cn26 cn24 cn10 bl cn19 cn18 cn17 cn1 cn2 cn4 or cn23 cn11 cn4cn3cn2 cn3 cn9 cn8 cn9 cn8 ac-l ac-n ac-l ac-n outdoor wiring diagram warning ...

  • Page 18: 7. Functions And Control

    Functions and control domestic air conditioner 7. Functions and control 7.1 main functions and control specification 7.1.1 the operation frequency of outdoor unit and its control 7.1.1.1 the operation frequency control of compressor the operation frequency scope of compressor ： mode minimun operatio...

  • Page 19

    Functions and control domestic air conditioner cooling/dehumidification mode: serial no. Temperature scope frequency limitation 1 wh_f max_hz1 46hz 2 wh_f max_hz2 72hz 3 wh_f max_hz3 80hz 4 wh_f max_hz4 65hz 5 wh_f ≧ 118.4 max_hz5 46hz remarks: the above are not only the maximum frequency limitation...

  • Page 20

    Functions and control domestic air conditioner 7.1.2 the outdoor fan control (exchange fan) when the fan is changed among every airflow speed (including stop blowing), in order to avoid the airflow speed from skipping frequently, it must be kept under each mode for over 30 seconds, and then it can b...

  • Page 21

    Functions and control domestic air conditioner ttc （°f） abnormal stop 230 decreasing the frequency rapidly （ 1hz/second ） 215.6 decreasing the frequency slowly (1hz/10seconds) 208.4 the frequency doesn’t change. 199.4 increasing the frequency (1hz/10second) 194 increasing the frequency （ 1hz/1second...

  • Page 22

    Functions and control domestic air conditioner during the starting process of the compressor, if the ac current is greater than 7a, the frequency of the compressor increases at the prohibited speed. During the starting process of the compressor, if the ac current is greater than 6.5a, the frequency ...

  • Page 23

    Functions and control domestic air conditioner when ice_temp_3 〈 tpg_indoor 〈 ice_temp_3+37.4°f , the frequency of the compressor increases at the speed of 1hz/10seconds. For example, tpg_indoor ≤ 32°f last for 2 minutes, and then the outdoor unit will stop, and report underload malfunction, but don...

  • Page 24

    Functions and control domestic air conditioner 7.2 value of thermistor ambient sensor, defrosting sensor, pipe sensor r77°f=10k Ω± 3% b77°f/122°f=3700k ± 3% 22 temp.(( °f )) max.(k ) normal(k ) min.(k ) tolerance( °f) -22 165.2170 147.9497 132.3678 28.51 35.15 -20.2 155.5754 139.5600 125.0806 28.53 ...

  • Page 25

    Functions and control domestic air conditioner 35.6 29.2545 27.5519 25.9250 29.68 34.23 37.4 27.8708 26.2858 24.7686 29.71 34.20 39.2 26.5605 25.0851 23.6704 29.75 34.16 41 25.3193 23.9462 22.6273 29.79 34.12 42.8 24.1432 22.8656 21.6361 29.84 34.09 44.6 23.0284 21.8398 20.6939 29.88 34.05 46.4 21.9...

  • Page 26

    Functions and control domestic air conditioner 113 4.8400 4.5905 4.3500 29.32 34.59 114.8 4.6708 4.4252 4.1887 29.25 34.65 116.6 4.5083 4.2666 4.0342 29.17 34.72 118.4 4.3524 4.1145 3.8862 29.10 34.79 120.2 4.2026 3.9686 3.7443 29.03 34.86 122 4.0588 3.8287 3.6084 28.94 34.92 123.8 3.9206 3.6943 3.4...

  • Page 27

    Functions and control domestic air conditioner 190.4 1.2226 1.1113 1.0092 25.74 37.74 192.2 1.1880 1.0789 0.9789 25.65 37.83 194 1.1546 1.0476 0.9497 25.56 37.90 195.8 1.1223 1.0174 0.9215 25.45 37.99 197.6 1.0910 0.9882 0.8942 25.36 38.07 199.4 1.0607 0.9599 0.8679 25.27 38.16 201.2 1.0314 0.9326 0...

  • Page 28

    Functions and control domestic air conditioner discharging sensor r176 f ° =50k Ω± 3% b77/176°f=4450k ± 3% temp.(( °f)) max.(k Ω ) normal(k Ω ) min.(k Ω ) tolerance( ) -22 14646.0505 12061.7438 9924.4999 26.67 36.41 -20.2 13654.1707 11267.8730 9290.2526 26.69 36.39 -18.4 12735.8378 10531.3695 8700.6...

  • Page 29

    Functions and control domestic air conditioner 50 1236.4792 1094.3200 967.6334 27.75 35.80 51.8 1171.0715 1038.0743 919.3533 27.77 35.76 53.6 1109.4661 985.0146 873.7359 27.81 35.74 55.4 1051.4226 934.9440 830.6210 27.84 35.73 57.2 996.7169 887.6792 789.8583 27.88 35.71 59 945.1404 843.0486 751.3077...

  • Page 30

    Functions and control domestic air conditioner 131 140.7403 132.6980 125.0027 29.41 34.48 132.8 134.8559 127.3081 120.0746 29.44 34.45 134.6 129.2457 122.1630 115.3645 29.48 34.41 136.4 123.8956 117.2504 110.8618 29.53 34.38 138.2 118.7926 112.5589 106.5564 29.57 34.34 140 113.9241 108.0776 102.4388...

  • Page 31

    Functions and control domestic air conditioner 212 26.1569 24.8685 23.6222 29.17 34.74 213.8 25.3290 24.0574 22.8291 29.10 34.79 215.6 24.5311 23.2765 22.0662 29.03 34.86 217.4 23.7620 22.5245 21.3323 28.96 34.93 219.2 23.0205 21.8002 20.6261 28.89 34.99 221 22.3055 21.1025 19.9465 28.81 35.06 222.8...

  • Page 32: 8.Dimensional Drawings

    Dimensinal drawings domestic air conditioner 8.Dimensional drawings 9.Center of gravity 30 0.24 0.18 0.22 2.57 0.84 1.78 2.76 2.57 0.84 0.84 0.84 0.39 2.57 1 1.78.

  • Page 33

    Drawing for the installation of indoor and outdoor units necessary tools for installation ● torque wrench ● (0.67 in,0.87in ,1.02in) nipper ● reamer ● hacksaw ● pipe cutter ● gas leakage detector or ● soap-and-water solution hole core drill ● flaring tool ● spanner(0.67,0.75 and 1.02in ) ● knife ● m...

  • Page 34

    Indoor unit make a hole of b mm / inches in diameter, slightly descending to outside the wall. ● install piping hole cover and seal it off with putty after installation ● when the mounting plate is fi rst fi xed 1. Carry out, based on the wall studs or lintels, a to be fi xed against the wall, then tem...

  • Page 35

    Outdoor unit indoor unit a b outdoor unit indoor unit a b a b outdoor unit indoor unit oil trap outdoor unit install according to the instructions on the 1st page of this manual when bending the interconnect tubing, ensure the radius is at least 1 1/4" to 1 3/4", 30mm to 40mm to ensure against crush...

  • Page 36

    Detach the service port’s cap of 1. 3-way valve, and the valve cap for 2-way valve and 3-way valve. Connect the service port to the low side of the gauge manifold open the handle on the low side of the gauge manifold and operate vacuum pump. 2. Vacuum the tubing for at least 15 minutes. The vacuum l...

  • Page 37: 11 Service Diagnosis

    Installations domestic air conditioner 11 service diagnosis 11.1 caution for diagnosis the operation lamp flashes when any of the following errors is detected. 1. When a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions, disabling equipment operation. 2...

  • Page 38

    Installations domestic air conditioner 11.3 problem symptoms and measures symptom check item details of measure none of the units operates check the power supply. Check to make sure that the rated voltage is supplied. Check the indoor pcb check to make sure that the indoor pcb is broken operation so...

  • Page 39

    Service diagnosis 11 domestic air conditioner code indication fault description reference page indoor displaying panel code indication outdoor (led1 flash times) indoor and outdoor e7 15 communication fault between indoor and outdoor units page48 indoor malfunction e1 -- room temperature sensor fail...

  • Page 40

    Installations domestic air conditioner 11.4.1 thermistor or related abnormality the temperatures detected by the thermistors are used to determine thermistor errors when the thermistor input is more than 4.92v or less than 0.08v during compressor operation. Note: the values vary slightly in some mod...

  • Page 41

    Installations domestic air conditioner 11.4.2 eeprom abnormal indoor display e4: indoor eeprom error outdoor display f12: outdoor eeprom error; outdoor led1 flash 1 times the data detected by the eeprom are used to determine mcu when the data of eeprom is error or the eeprom is damaged ■ faulty eepr...

  • Page 42

    Installations domestic air conditioner 11.4.3 indoor ac fan motor malfunction indoor display e14 check whether terminals on indoor pcb is well? Electrify the machine again and turn it on in the cooling operation, measure voltage between the positions 1and 3 of terminal cn5 on the indoor pcb the volt...

  • Page 43

    Installations domestic air conditioner 11.4.4 outdoor dc fan motor fault dc fan motor is detected by checking the fan running condition and so on when the data of eeprom is error or the eeprom is damaged ■ dc fan motor protection dues to the dc fan motor faulty ■ dc fan motor protection dues to faul...

  • Page 44

    Installations domestic air conditioner check whether terminal on the outdoor mainboard is well inserted. Is it normal? Y es no reinsert the terminals electrify the machine again and turn it on in the cool state with the remote controller. Check whether motor can run ？ y es measure the voltage betwee...

  • Page 45

    Installations domestic air conditioner 11.4.5 ipm protection electrify the machine again and turn it on with the remote controller,if malfunctions are reported before or upon the compressor being started up, ipm module is damaged and needs replacing. 1 、 the system may have been over or under charge...

  • Page 46

    Installations domestic air conditioner 11.4.6 over-current of the compressor electrify the machine again and turn it on with the remote controller, if malfunctions are reported before or upon the compressor being started up, ipm module is damaged and needs replacing. Repair the power supply the syst...

  • Page 47

    Installations domestic air conditioner 11.4.7 the communication fault between ipm and outdoor pcb 1) check whether terminal cn23 and cn24 on the outdoor mainboard cn10 and cn11 on ipm module 2) check whether the connected wire between ipm and outdoor are they good? Electrify the machine again and tu...

  • Page 48

    Installations domestic air conditioner 11.4.8 power supply over or under voltage fault electrify the machine again and turn it on with the remote controller. Check whether the compressor is started normally is it ok? Y es maybe there is some disturbance no n o ~230 is ok? Y es y es this question may...

  • Page 49

    Installations domestic air conditioner 11.4.9 overheat protection for discharge temperature electrify the machine again and turn it on with the remote controller, then measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit the temperature exceeds 230°f shortl...

  • Page 50

    Installations domestic air conditioner 11.4.10 the communication fault between indoor and outdoor no （ a ） yes no yes restart the a/c and it becomes normally. If starting up normally, but malfunction occurs again after a while check whether the linking cable between the indoor and outdoor is well co...

  • Page 51

    Installations domestic air conditioner （ a ） no yes check the indoor mainboard. No if the voltage is of a constant value of 0v dcto5v dc measure the voltage between jumpers 3 and 4 of ic1 on the indoor mainboard with a multimeter. No the outdoor mainboard is damaged; replace them with a new one. Mea...

  • Page 52

    Table of contents domestic air conditioner 11.4.11 loss of synchronism detection inverter side current detection is abnormal within 3 minutes after the machine is supplied with power and turned on with the remote controller, check whether the compressor can start up 1. The wiring of compressor is in...

  • Page 53

    Table of contents domestic air conditioner 11.4.12 high work-intense protection electrify the machine again and turn it on with the remote controller, check whether the wind temperature is below 149°f the malfunction is reported after the machine has run for some time? 1 、 check room temperature and...

  • Page 54

    Sound level domestic air conditioner 12.Performence and cerves diagrams 12.1 cooling capacity-temperature curves cooling value-temerature table ) % 6 4 y ti d i m u h (. P m e t r o o d t u o . P m e t r o o d n i db/wb 64.4 °f 68 °f 77 °f 89.6 °f 95 °f 104 °f 109.4 °f 114.8 °f 64.4/53.6 °f 2443 241...

  • Page 55

    Sound level domestic air conditioner 12.2 cooling power consumption value- temperature curves power consumption value-temp.Table ) % 6 4 y ti d i m u h (. P m e t r o o d t u o . P m e t r o o d n i db/wb 64.4°f 68°f 77°f 89.6°f 95°f 104°f 109.4°f 114.8°f 64.4/53.6°f 429 432 1138 1186 1220 1301 1227...

  • Page 56

    Sound level domestic air conditioner 12.3 cooling discharge pressure curves cooling discharge pressure.Table outdoor temp. (humidity 46%) indoor temp. Db/wb 60.8°f 66.2°f 71.6°f 59°f 2421 2504 2588 77°f 3239 3273 3339 86°f 3239 3306 3339 95°f 3273 3339 3439 104°f 3306 3473 3473 113°f 2554 2554 2652 ...

  • Page 57

    Sound level domestic air conditioner 12.4 cooling suction pressure curves cooling suction pressure.Table outdoor temp. (humidity 46%) indoor temp. Db/wb 60.8°f 66.2°f 71.6°f 59°f 660 683 706 77°f 883 893 911 86°f 883 902 911 95°f 893 911 938 104°f 902 947 947 113°f 696 696 723 350 450 550 650 750 85...

  • Page 58

    Sound level domestic air conditioner 12.5 heating capacity-temperature curves heating capacity and indoor/outdoor temp.Table ) % 6 4 y ti d i m u h (. P m e t r o o d n i . P m e t r o o d t u o db/wb 59°f 68°f 77°f 5°f 2338 1776 1905 23°f 3594 3286 3031 41°f 4676 4240 3940 44.6/42.8°f 4473 4167 377...

  • Page 59

    Sound level domestic air conditioner 12.6 heating power consumption value- temperature curves power consumption value-temp.Table ) % 6 4 y ti d i m u h (. P m e t r o o d n i . P m e t r o o d t u o db/wb 59°f 68°f 77°f 5°f 881 949 1037 23°f 1057 1044 1261 41°f 1193 1356 1437 44.6/42.8°f 1094 1204 1...

  • Page 60

    Sound level domestic air conditioner 12.7 heating discharge pressure curves heating discharge pressure.Table outdoor temp. (humidity 46%) indoor temp. Db/wb 59°f 68°f 77°f 5°f 2941 3069 3165 14°f 3005 3101 3197 23°f 3053 3133 3229 32°f 3101 3165 3261 41°f 3165 3197 3293 50°f 3062 3154 3200 59°f 2567...

  • Page 61

    Sound level domestic air conditioner 12.8 heating suction pressure curves heating suction pressure.Table outdoor temp. (humidity 46%) indoor temp. Db/wb 59°f 68°f 77°f 5°f 743 775 799 14°f 759 783 808 23°f 771 791 816 50°f 783 799 824 41°f 799 808 832 50°f 774 797 808 59°f 649 668 674 68°f 621 633 6...

  • Page 62: 13.Sound Level

    Sound level domestic air conditioner 13.Sound level model sound power level(indoor unit) sound power level (outdoor unit) (cooling/heating) 230v,60hz measuring location of microphone cooling/heating 1u12be2era 62 / 60 68 86 104 122 140 158 176 68 86 104 122 140 158 176.

  • Page 63: 14 Circuit Diagrams

    Circuit diagrams domestic air conditioner 14 circuit diagrams 14.1 outdoor unit control board circuit diagrams 13 gn d 4 gn d 3 gn d 2 gn d 1 vc c 8 gn d 7 scl 6 sd a 5 ic 6 a t24c02b 1 cn 2 ac -l 1 cn 1 ac -n bl ac k w h ite fu s e 1 t 25a 250v ac rv 1 s 14k 350 r1 1m r12 100/1w cx 1 225/275v l1 8m...

  • Page 64

    Circuit diagrams domestic air conditioner vin 1 gnd 2 vout 3 ic 4 l 7805cv c9 104/ 50v e8 com m ent: 100u/16 v r29 47 r19 47 c6 104/ 50v ic 3 tl 431c c3 102/ 100v l3 20uh/1a zd1 in 59 48b e5 470u/25 v e6 100u/16v e7 470u/25 v e3 22u/2 5v cy9 222 /250vac d7 m br1100\sb11 00 c2 102/1 00v r1 8 4 7 c7 1...

  • Page 65

    Circuit diagrams domestic air conditioner 14.2 module board circuit diagram c009 471 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75...

  • Page 66: Sincere Forever

    Circuit diagrams domestic air conditioner sincere forever haier group haier industrial park, no.1, haier road 266101, qingdao, china_ http ： //www.Haier.Com edited by : signed by : approved by: zou na liu xiang he s hiquan wu hongjin.

  • Page 67: Wall Mounted Type

    Service manaul wall mounted type dc inverter super match as12nb1hra hsu12vhgl-g model no. This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of po...

  • Page 68: Contents

    Table fo contents domestic air conditioner contents 1. Introduction ............................................................................................ 1 2. Features ................................................................................................ 7 3. Specifications ...........

  • Page 69: 1 Introduction

    Int r oduction domestic air conditioner 1 introduction 1.1 model name explanation a s 1 2 n b 1 h r a indoor unit type of indoor unit: s (wall-mounted) nominal cooling capacity (12000btu/h) platform of indoor units: n (n platform) 35n platform version number indoor units dc inverter apply tot1; 208~...

  • Page 70

    Int r oduction domestic air conditioner 1.2 safety cautions be sure to read the following safety cautions before conducting repair work. The caution items are classified into “warning” and “caution”. The “warning” items are especially important since they can lead to death or serious injury if they ...

  • Page 71

    Int r oduction domestic air conditioner warning do not repair the electrical components with wet hands . Working on the equipment with wet hands can cause an electrical shock do not clean the air conditioner by splashing water. Washing the unit with water can cause an electrical shock. Be sure to pr...

  • Page 72

    Int r oduction domestic air conditioner warning be sure to use an exclusive power circuit for the equipment, and follow the technical standards related to the electrical equipment, the internal wiring regulations and the instruction manual for installation when conducting electrical work. Insufficie...

  • Page 73

    Int r oduction domestic air conditioner caution installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site, to prevent electrical shocks. Do not install the equipment in a place where there is a possibility of combustible gas leaks. If a combust...

  • Page 74

    Int r oduction domestic air conditioner caution check to see if the parts and wires are mounted and connected properly, and if the connections at the soldered or crimped terminals are secure. Improper installation and connections can cause excessive heat generation, fire or an electrical shock. If t...

  • Page 75: 2.Features

    Specifications domestic air conditioner 2.Features super quiet: lower noise operation condition a-pam dc inverter:with adoption of s-type,s-pam and phase control technology to works more stably at low-frequency,and is more energy-saving,mor powerful at high frequency. Long distance air supplying: 5 ...

  • Page 76: 3 Specifications

    Specifications domestic air conditioner 3 specifications nominal distribution system voltage 1 / e s a h p 0 6 z h y c n e u q e r f 0 3 2 v e g a tl o v nominal capacity and nominal input g n it a e h g n il o o c capacity rated btu 12000 13500 btu ) d e t a r ( n o it p m u s n o c r e w o p 37.5 ...

  • Page 77: 4 Sensors List

    Specifications domestic air conditioner technical specifications-parts cooling heating fan n a f w o lf s s o r c e p y t 136 btu t u p t u o r o t o m air flow rate(high) inch /h 17655 17655 speed(super/high/low) rpm 1000/900/800 1000/900/800 heat exchanger type ml fin- 7hi-hx tube 4 . 1 * 4 1 * 3 ...

  • Page 78: Pinping Diagrams

    Piping diagrams domestic air conditioner 5 ˊ pinping diagrams 10

  • Page 79

    Connector wiring diagrams domestic air conditioner 6. Printed circuit board connector wiring diagram connectors series pcb connector connect with load 1 cn9 connector for fan motor 2 cn6 connector for heat exchanger thermistor and room temperature thermistor 3 cn5 connector for up&down step motor 4 ...

  • Page 80

    Connector wiring diagrams domestic air conditioner pcb sw2 cn10 cn6 cn7 cn36 cn34 cn51 cn11 cn5 sw1 cn23 con2 cn21 cn9 con3 cn52 con1 12.

  • Page 81

    Connector wiring diagrams domestic air conditioner up-down stepmoter ,2 1 *( 1(5 $7, 25 * &1 &1 dc fan motor 0 )8 6( sw1 emergency switch receiver display &1 7 $ 9 $& 80 1 & / : % *1' &1 ambient temp sensor piping temp sensor &1 &1 right stepmoter left stepmoter &1 &1 &1&1 5 &1 bl fresh air / &1 1 6...

  • Page 82: 7.Funcitions And Control

    Functions and control domestic air conditioner 7.Funcitions and control 7.1 main functions and control specification 7.1.1 automatic operation when the running mode is turned to automation after starting the system, the system will first determine the running mode according to the current room tempe...

  • Page 83

    Functions and control domestic air conditioner 7.1.3 dehumidifying mode. * temperature control range: 60.8---86 f * temperature difference: 30.2/33.8°f control feature: send the dehumidifying signal to the outdoor system. When tr>ts+35.6°f , the compressor will be turned on, the indoor fan will oper...

  • Page 84

    Functions and control domestic air conditioner *indoor fan control manual control: you can choose high, medium, low and automatic speed control. Automatic: when tr when ts tr ts+35.6°f, medium speed. When tr> ts+35.6°f, low speed. When the airflow speed has no delay from the high to low switching, t...

  • Page 85

    Functions and control domestic air conditioner mode, the cooling strength/ mute function will be offered; if the system enters the heating mode, then the heating strength/ mute function will be offered; if the system enters the airflow mode, there will be no strength/ mute function. 7.1.6 mute opera...

  • Page 86

    Functions and control domestic air conditioner keys, the timing of the 8 hours dormancy will take the first timing as the start time, any presses on other keys will not affect the original timing. 2.4 indoor fan control under the dormant operation. If the indoor fan is at the high speed before the d...

  • Page 87

    Functions and control domestic air conditioner and will not be revealed. 7.1.13 abnormal operation of indoor system when the outdoor system operates, if the indoor system operation differs from the outdoor system, the abnormal operation malfunction will be reported. 10s after the report, the indoor ...

  • Page 88

    Functions and control domestic air conditioner according to the set mode and neglect the communication signals of the outdoor system. However, it has to send signals to the outdoor system. * quitting condition: this mode can be quitted after receiving the quitting signal from the remote control or u...

  • Page 89

    Functions and control domestic air conditioner 7.1.20 time cutting function: connect the test program terminal on the mainboard after connecting the system to the power circuit. The cpu of the main control will be 60 times faster. 7.2 value of thermistor room sensor and pipe sensor r25 =10k 3% b25 /...

  • Page 90

    Functions and control domestic air conditioner 35.6 29.2545 27.5519 25.9250 29.68 34.23 37.4 27.8708 26.2858 24.7686 29.71 34.20 39.2 26.5605 25.0851 23.6704 29.75 34.16 41 25.3193 23.9462 22.6273 29.79 34.12 42.8 24.1432 22.8656 21.6361 29.84 34.09 44.6 23.0284 21.8398 20.6939 29.88 34.05 46.4 21.9...

  • Page 91

    Functions and control domestic air conditioner 113 4.8400 4.5905 4.3500 29.32 34.59 114.8 4.6708 4.4252 4.1887 29.25 34.65 116.6 4.5083 4.2666 4.0342 29.17 34.72 118.4 4.3524 4.1145 3.8862 29.10 34.79 120.2 4.2026 3.9686 3.7443 29.03 34.86 122 4.0588 3.8287 3.6084 28.94 34.92 123.8 3.9206 3.6943 3.4...

  • Page 92

    Functions and control domestic air conditioner 190.4 1.2226 1.1113 1.0092 25.74 37.74 192.2 1.1880 1.0789 0.9789 25.65 37.83 194 1.1546 1.0476 0.9497 25.56 37.90 195.8 1.1223 1.0174 0.9215 25.45 37.99 197.6 1.0910 0.9882 0.8942 25.36 38.07 199.4 1.0607 0.9599 0.8679 25.27 38.16 201.2 1.0314 0.9326 0...

  • Page 93: 8 System Configuration

    System configuration domestic air conditioner 8 system configuration 8.1system configuration after the installation and test operation of the room air conditioner have been completed, it should be operated and handled as described below. Every user would like to know the correct method of operation ...

  • Page 94

    Display board signal receiver hole cool display health display 4 2 3 1 5 dry display 6 ambient temp.Display when receiving the remote control signal, display the set temperature. 2 3 5 6 4 heat display 1 parts and functions indoor unit outdoor unit remote controller outer side of the controller outl...

  • Page 95

    English operation loading of the battery clock set load the batteries as illustrated. 2 r-03 batteries, resetting key (cylinder); be sure that the loading is in line with the “+”/“-”; load the battery, then put on the cover again. Press clock button, press “+” or “-” to set correct time. Each press ...

  • Page 96

    Quiet operation cool,heat and dry operation quiet operation unit start. Select operation mode. Press the cool button on the remote control. When cool appears on the remote control, the display board will turn blue. Press the heat button on the remote control. When heat appears on the remote control,...

  • Page 97

    Unit will start running to reach the temp. Setting on lcd. Cool/dry: for each press of “ ” button, air displays as follows according to different operation modes: fan operation low med hi auto press fan speed button. For each press, fan speed changes as follows: unit will run at selected fan speed. ...

  • Page 98

    The water-ion generator in the airconditioner can generate a lot of anion effectively balance the quantity of position and anion in the air and also to kill bacteria and speed up the dust sediment air in the room. And outlet grills of the air conditioner are opened, and the unit goes on working unde...

  • Page 99

    Set clock correctly before starting timer operation. You can let unit start or stop automatically a following times: before you wake up in the morning, or get back from outside or after you fall asleep at night. Power operation when you need rapid cooling, you can use this function. Select your desi...

  • Page 100

    Before going to bed, you can simply press the sleep button and unit will operate in sleep mode and bring you a sound sleep. 3 hours then stops. Temp. Is lower than temp. Setting so that room temperature won’t be too high for your sleep. Approx. 6hrs temp. Setting decreases 35.6 ºf decreases35.6 ºf u...

  • Page 101

    (this function is unavailable on some models) one key can give you a comfortable room! The air conditioning unit can judge the indoor temperature and humidity, and make the adjustment accordingly. Smart start aureol: “ white” or smart stops press on/off button, unit starts. Press smart button “ ” is...

  • Page 102

    Exhaust the vitiated air from the room, and inhale fresh air. (this function is unavailable on some models.) press fresh button “ is displayed on the remote controller and now, the display board of the air conditioning unit will turn green, and the change- for-fresh-air function operation begins. No...

  • Page 103

    Ce all the products are in conformity with the following european provision: - low voltage directive 2006/95/ec -electomagnetic compatibility 2004/108/ec rohs the products are fulfilled with the requirements in the directive 2011/65/eu of the european parliament and of council on the restriction of ...

  • Page 104

    Drawing for the installation of indoor and outdoor units necessary tools for installation ● torque wrench ● (0.67 in,0.87in ,1.02in) nipper ● reamer ● hacksaw ● pipe cutter ● gas leakage detector or ● soap-and-water solution hole core drill ● flaring tool ● spanner(0.67,0.75 and 1.02in ) ● knife ● m...

  • Page 105

    Indoor unit make a hole of b mm / inches in diameter, slightly descending to outside the wall. ● install piping hole cover and seal it off with putty after installation ● when the mounting plate is fi rst fi xed 1. Carry out, based on the wall studs or lintels, a to be fi xed against the wall, then tem...

  • Page 106

    Outdoor unit indoor unit a b outdoor unit indoor unit a b a b outdoor unit indoor unit oil trap outdoor unit install according to the instructions on the 1st page of this manual when bending the interconnect tubing, ensure the radius is at least 1 1/4" to 1 3/4", 30mm to 40mm to ensure against crush...

  • Page 107

    Detach the service port’s cap of 1. 3-way valve, and the valve cap for 2-way valve and 3-way valve. Connect the service port to the low side of the gauge manifold open the handle on the low side of the gauge manifold and operate vacuum pump. 2. Vacuum the tubing for at least 15 minutes. The vacuum l...

  • Page 108

    Maintenance setting of proper room temperature close doors and windows during operation if the unit is not to be used for a long time, turn off the power supply main switch. Use the timer effectively use the louvers effectively do not block the air inlet or outlet proper temperature during cooling o...

  • Page 109

    The power supply cord and so on. 2. Do not install in the place where there is any possibility of inflammable gas leakage around the unit. 3.Do not get the unit exposed to vapor or oil steam. Cautions please call sales/service shop for the installation. Do not attempt to install the air conditioner ...

  • Page 110

    Trouble shooting normal performance inspection noise is heard phenomenon cause or check points the system immediately. Smells are generated. Mist or steam are multiple check poor cooling when unit is stopped, it won't restart elapsed to protect the system. When the electric plug is pulled out and re...

  • Page 111: 9.Dimensional Drawings

    Seivice diagnosis domestic air conditioner 9.Dimensional drawings 10.Center of gravity 43.

  • Page 112: 11 Service Diagnosis

    Seivice diagnosis domestic air conditioner 11 service diagnosis 11.1 caution for diagnosis the operation lamp flashes when any of the following errors is detected. 1. When a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions, disabling equipment operatio...

  • Page 113

    Service diagnosis 11 domestic air conditioner code indication fault description reference page indoor displaying panel code indication outdoor (led1 flash times) indoor and outdoor e7 15 communication fault between indoor and outdoor units page. 56 indoor malfunction e1 -- room temperature sensor fa...

  • Page 114

    Seivice diagnosis domestic air conditioner 11.4.1 thermistor or related abnormality the temperatures detected by the thermistors are used to determine thermistor errors when the thermistor input is more than 4.92v or less than 0.08v during compressor operation. Note: the values vary slightly in some...

  • Page 115

    Seivice diagnosis domestic air conditioner 11.4.2 eeprom abnormal indoor display e4: indoor eeprom error outdoor display f12: outdoor eeprom error; outdoor led1 flash 1 times the data detected by the eeprom are used to determine mcu when the data of eeprom is error or the eeprom is damaged Ŷ faulty ...

  • Page 116

    Seivice diagnosis domestic air conditioner 11.4.3 indoor ac fan motor malfunction indoor display e14 check whether terminals on indoor pcb is well? Electrify the machine again and turn it on in the cooling operation, measure voltage between the positions 1and 3 of terminal cn5 on the indoor pcb the ...

  • Page 117

    Seivice diagnosis domestic air conditioner 11.4.4 outdoor dc fan motor fault dc fan motor is detected by checking the fan running condition and so on when the data of eeprom is error or the eeprom is damaged Ŷ dc fan motor protection dues to the dc fan motor faulty Ŷ dc fan motor protection dues to ...

  • Page 118

    Seivice diagnosis domestic air conditioner check whether terminal on the outdoor mainboard is well inserted. Is it normal? No reinsert the terminals electrify the machine again and turn it on in the cool state with the remote controller. Check whether motor can run measure the voltage between 3 and ...

  • Page 119

    Seivice diagnosis domestic air conditioner 11.4.5 ipm protection electrify the machine again and turn it on with the remote controller,if malfunctions are reported before or upon the compressor being started up, ipm module is damaged and needs replacing. 1 ǃ the system may have been over or under ch...

  • Page 120

    Seivice diagnosis domestic air conditioner 11.4.6 over-current of the compressor electrify the machine again and turn it on with the remote controller, if malfunctions are reported before or upon the compressor being started up, ipm module is damaged and needs replacing. Repair the power supply the ...

  • Page 121

    Seivice diagnosis domestic air conditioner 11.4.7 the communication fault between ipm and outdoor pcb 1) check whether terminal cn23 and cn24 on the outdoor mainboard cn10 and cn11 on ipm module 2) check whether the connected wire between ipm and outdoor are they good? Electrify the machine again an...

  • Page 122

    Seivice diagnosis domestic air conditioner 11.4.6 over-current of the compressor electrify the machine again and turn it on with the remote controller, if malfunctions are reported before or upon the compressor being started up, ipm module is damaged and needs replacing. Repair the power supply the ...

  • Page 123

    Seivice diagnosis domestic air conditioner 11.4.9 overheat protection for discharge temperature electrify the machine again and turn it on with the remote controller, then measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit the temperature exceeds 110 shor...

  • Page 124

    Seivice diagnosis domestic air conditioner 11.4.10 the communication fault between indoor and outdoor no ˄ a ˅ y es no y es n o yes restart the a/c and it becomes normally. If starting up normally, but malfunction occurs again after a while check whether the linking cable between the indoor and outd...

  • Page 125

    Seivice diagnosis domestic air conditioner ˄ a ˅ no yes y es check the indoor mainboard. N o if the voltage is of a constant value of 0v dcto5v dc yes measure the voltage between jumpers 3 and 4 of ic1 on the indoor mainboard with a multimeter. No the outdoor mainboard is damaged; replace them with ...

  • Page 126

    Circuit diagrams domestic air conditioner 11.4.11 loss of synchronism detection inverter side current detection is abnormal within 3 minutes after the machine is supplied with power and turned on with the remote controller, check whether the compressor can start up 1. The wiring of compressor is inc...

  • Page 127

    Circuit diagrams domestic air conditioner 11.4.12 high work-intense protection electrify the machine again and turn it on with the remote controller, check whether the wind temperature is below 65 the malfunction is reported after the machine has run for some time? 1 check room temperature and pipe ...

  • Page 128: 12. Circuit Diagrams

    Circuit diagrams domestic air conditioner 12. Circuit diagrams c8 100nf-50v r22 2k-1/4w r26 2k-2w r12 100k-1/4w e4 100uf-50v-105 cy3 2.2nf-250vac 220v_l n r14 47k-3w r15 47k-3w comm 220v_l fuse1 t3.15a-250vac 1 cn22 1 1 2 4 3 2 4 3 lx1 lb2271(32mh-0.35a) l ~220vac cy4 2.2nf-250vac cy5 2.2nf-250vac 1...

  • Page 129: Sincere Forever

    Circuit diagrams domestic air conditioner sincere forever haier group haier industrial park, no.1, haier road 266101, qingdao, china_ http //www.Haier.Com edited by : signed by : approved by: zou na yang xiaodong he shiquan wu hongjin.