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Haier AD182AMERA Service Manual

Commercial air conditioning
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Commercial Air Conditioning
Features
High energy efficiency class-A
Newly designed V-appearance for wall mounted unit
Two optional control tpyes for duct type unit
Can be connected with the universal outdoor unit AU182AFERA
Infrared control type or wired control type
Central control and full automation, if connected with a central controller
Low ambient cooling kit (optional) and low ambient heating kit (optional)
New friendly refrigerant R410a, environment protection
Advanced technology, DC inverter control function
Weekly timer (standard)
Group control function
Negative ion function for wall mounted unit
Auto restart function
Room card function for the unit except for wall mounted unit
Manual code: SYJS-010-05REV.1

SERVICE MANUAL

Models
AD182AMERA
AS182AVERA
AU182AFERA
Edition: 2007-02-03

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  Summary of Contents for Haier AD182AMERA

  • Page 1: Service Manual

    Commercial Air Conditioning SERVICE MANUAL Models AD182AMERA AS182AVERA AU182AFERA Features High energy efficiency class-A Newly designed V-appearance for wall mounted unit Two optional control tpyes for duct type unit Can be connected with the universal outdoor unit AU182AFERA Infrared control type or wired control type...
  • Page 2: Table Of Contents

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA CONTENTS Contents………………………………………………………..2 1. Description of products & features………………………...3 2. Specification………………………………………………….7 3. Safety precaution……………………………………………10 4. Net dimension………………………………………………..12 5. Installation instructions………..…………………………….14 6. Parts and functions………………………………………….32 7.1 Infrared controller …………………………………....33 7.2 Wired controller YR-E12..........42 8. Electrical control functions..........56 9.
  • Page 3: Description Of Products & Features

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 1.DESCRIPTION OF PRODUCTS & FEATURES 1.1. Products code explanation S 18 Climate type: T1 (see table 1) Design number (R stands for design sequence, DC inverter frequency type) Product type: A stands for heat pump type, refrigerant is R22...
  • Page 4: Product Features

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 1.4 Product features Newly designed V- appearance indoor unit The wall mounted type indoor unit adopts the newly designed V appearance, more fashion, more beautiful. 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.
  • Page 5 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 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...
  • Page 6 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA ■Piping material 1. Use the correct refrigerant piping and materials for R410A 2. For the pipe wall thickness, see the table below: Pipe diameter Φ6.35 Φ9.52 Φ12.7 Φ15.88 Φ19.1 Pipe wall thickness Note: Always observe and comply with the local regulations when installing the refrigerant piping.
  • Page 7: Specification

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 2. SPECIFICATION item Model AU182AFERA/AS182AVERA Function cooling heating Capacity 5.1(1.8---6.0) 6.0(2.0---7.1) Sensible heat ratio 0.75 Total power input 1580(550---2650) 1650(600---2650) Max. power input 2650 2650 EER or COP 3.23 3.64 Dehumidifying capacity 10‐³×m³/h Power cable 4.0×3...
  • Page 8 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA AD182AMERA item Model cooling heating Function 5.1(1.8---6.0) 6.0(2.0---7.1) Capacity 0.75 Sensible heat ratio 1580(550---2650) 1650(600---2650) Total power input 2650 2650 Max. power input 3.23 3.64 EER or COP Dehumidifying capacity 10‐³×m³/h 4.0×3 Power cable...
  • Page 9 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 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 intensity meter.
  • Page 10: Safety Precaution

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 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. Incorrect operations may result in severe consequences of death or serious injuries.
  • Page 11 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA WARNING! Nothing or nobody is permitted to Installed electrical-leaking circuit placed on or stand on outdoor unit. breaker. It easily cause electrical shock without The falling of goods and people may circuit breaker.
  • Page 12: Net Dimension

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 4. Net dimension Outdoor unit: Wall mounted unit: -12-...
  • Page 13 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA Ceiling concealed unit: -13-...
  • Page 14: Installation Instructions

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 5. Installation Instructions -14-...
  • Page 15 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -15-...
  • Page 16 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -16-...
  • Page 17 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -17-...
  • Page 18 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -18-...
  • Page 19 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 182AMERA) -19-...
  • Page 20 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -20-...
  • Page 21 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -21-...
  • Page 22 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -22-...
  • Page 23 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -23-...
  • Page 24 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA INSTRUCTIONS TO INSTALLATION 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...
  • Page 25 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA INSTRUCTIONS TO INSTALLATION 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.
  • Page 26 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA INSTRUCTIONS TO INSTALLATION WARNING BE SURE TO READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING INSTALLATION. FAILURE TO FOLLOW THESE INSTRUCTIONS COULD CAUSE SERIOUS INJURY OR DEATH, EQUIPMENT MALFUNCTION AND/OR PROPERTY DAMAGE. BE SURE TO READ INSTALLATION MANUAL FOR INDOOR UNIT WITH THIS MANUAL.
  • Page 27 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA INSTALLATION PROCEDURE When the mounting plate is first 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.
  • Page 28 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA INSTALLATION PROCEDURE 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.
  • Page 29 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA INSTALLATION PROCEDURE ELECTRICAL WIRING When connecting the cord before installing the indoor unit Insert the cord from the back side of the unit, then pull it out on the front side. Loosen the screws and insert the cord ends fully into terminal block, then tighten the screws.
  • Page 30 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA INSTALLATION CHECK AND TRIAL OPERATION Check the Layout of the Drain Pipe and Connection Wires The drain pipe should be placed underneath, and the connection wires should be placed upside; and the drain pipe especially the section inside the machine and indoors must be wound up with insulating material to preserve heat.
  • Page 31 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -31-...
  • Page 32: Parts And Functions

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 6. Parts and Functions AD182AMERA AS182AVERA Air inlet grille Front panel Air inlet grille Louver Display board -32-...
  • Page 33 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 7. Controller functions -33-...
  • Page 34 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -34-...
  • Page 35 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -35-...
  • Page 36 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -36-...
  • Page 37 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -37-...
  • Page 38 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -38-...
  • Page 39 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -39-...
  • Page 40 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -40-...
  • Page 41 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA LIGHT operation: The remote receiver of wall mounted unit is with the background lamp, press LIGHT button, according to the buzzer state, there are four modes of background lamp as follows: 1. Buzzer works, 5 seconds later, background lamp is off;...
  • Page 42: Wired Controller Yr-E12

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 7.2 Wired controller YR-E12 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.
  • Page 43 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA [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.
  • Page 44 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 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 [MODE] switch over in below sequence:[FAN ONLY]→[COOL]→[DRY]→[HEAT]→[AUTO]→[FAN...
  • Page 45 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 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].
  • Page 46 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 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...
  • Page 47 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA Preset ――― 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? Type State of...
  • Page 48 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 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.
  • Page 49 sensor abnormal short circuit for more than 2m continuously Solenoid valve Solenoid valve ○ abnormal incorrectly times continuously Discharging temp. Sensor broken down or ○ sensor abnormal short circuit for more than 2m continuously EEPROM abnormal EEPROM data missing Run as the default value Pressure...
  • Page 50 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA If you use central control type, SW1, SW2 will be used simultaneously. Wiring request in central control type: port A-B is connected with indoor port CN16(A-B) through 2-core shield wire. Requirements: 1. Port A connects with port CN16(A)of all indoor units.
  • Page 51 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -51-...
  • Page 52 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -52-...
  • Page 53 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA -53-...
  • Page 54 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 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...
  • Page 55 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 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.
  • Page 56: Electrical Control Functions

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 8. Electrical Control Functions 8.1. Outdoor electric control functions 8.1.1 Outdoor running frequency and the control procedure 8.1.1.1 Compressor startup Every time compressor is from OFF to ON, no matter how is the indoor target frequency, compressor running frequency must be stay at 40Hz and 60Hz for 1 minutes (At outdoor discharging temp.
  • Page 57 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA Below 28℃ Class-1 Class-3 Class-5 Compressor frequency F<25Hz 25Hz≤F<45Hz 45≤F in heating Over 15℃ Class-2 Class-4 Class-5 Below 15℃ Class-3 Class-5 Class-7 8.1.2.4 Outdoor fan speed control when selecting AC motor Selecting AC motor or DC motor depends on EEPROM.
  • Page 58 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA B. Defrost interval time When the value of C×TA-α is in the range of -15℃≤C×TA-α, two defrosting interval is 45 minutes. When the value of C×TA-α is in the range of C×TA-α<-15℃, two defrosting interval is 65 minutes.
  • Page 59 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 8.2. Additional functions 8.2.1 The interval between compressor stop to startup again is 3 minutes, which can protection compressor. If being electrified for the first time, compressor will start up only when the valve opens to the normal operation angle.
  • Page 60 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA R: rise at the speed of 1Hz/10s 8.2.4 Overcurrent protection(realised by power module) ●In the course of compressor startup, if current is over 21A and keeps for 4 seconds, compressor will stop and the unit alarms. 3 minutes later, compressor will re-start up, if in 10 minutes, it occurs for 3 times, the unit will stop and alarm.
  • Page 61 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA Put the first bit of dip switch on the indicator board at ON, the unit will enter compulsory cooling operation, as follow: Compressor Current, discharging Operation before minutes later after Manual adjustment startup...
  • Page 62 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA electrified after being powered off. Failure Emission Outdoor Failure description Corresponding outdoor CBD failure code code indicator display 00001 Power module IPM protection 00010 DC fan motor failure DC fan motor failure Communication Outodor alarms, not sends to indoor.
  • Page 63 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA Low pressure switch Low pressure switch acts for 30 seconds 11000 failure contineously Temperature cutoff protection 1)Indoor pipe temp. is abnormal, outdoor default cooling temp. : 5℃, heating temp.: 40℃. The above temperatures are normal.
  • Page 64 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA Wall mounted unit electric functions: 1. Temperature adjustment function 1.1 In this function, outdoor running frequency depends on the indoor temperature and the set temperature. 1.2 In auto mode, indoor fan speed will be changed according to the request of temperature adjustment.
  • Page 65 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA electrified for the first time, enter heating mode or defrosting is over, if heat exchanger temp. is below 25.2℃ and over 16℃, fan speed is ultra low; if heat exchanger temp. reduces below 23 ℃, fan motor speeds.).
  • Page 66 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 3.2 Power cooling operation 1) Modulate the set temperature. 2) Air flow is Manual High speed. 3) After compressor is running, in 3 minutes, the unit will not make low load protection. 3.3 Not available for Fan, Dry mode.
  • Page 67 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA Ts-2 Ts-3 Ts-4 7.3 Non-standard SLEEP function: the sleep function can realize 1~8 hours sleep mode when being combined with the TIMER function. 1) When in Auto mode, the unit will make SLEEP operation due to the setting.
  • Page 68 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA heat exchanger temp. THLHEATBL3 THLHEATBL2 THLHEATBL1 THLHEATBL0 Indication area normal area 2 area 1 stop area 1 area 2 normal In trial running, the low load protection is ignored. After compulsory cooling begins for 1 minute, for 3 minutes, the low load protection is cancelled temporarily.
  • Page 69 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 12. Temperature cutoff protection In cooling mode, every time compressor runs for 1 minute after startup, the unit will check the indoor coil temperature, when Tg>Tr+5, the unit will shut off for 3 minutes, and then re-start up;...
  • Page 70 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 15.2.2 Rated heating a. High speed at heating, the set temperature is 30℃, press temp. “+” and SET button simultaneously, after the buzzer sounds 2 times, enter the condition. b. In this condition, the unit will execute as follow: entering the rated frequency operation;...
  • Page 71 emergency operation as Auto mode. 17.2 In OFF state, press emergency switch for over 5 seconds and below 10 seconds contineously, the unit will begin trial running in cooling mode (30 minutes later quit the trial running). 17.3 In OFF state, press emergency switch for over 10 seconds and below 15 seconds contineously, the unit will show the previous failure.
  • Page 72: Electric Wiring Diagram

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 10. Electric Wiring diagram T3.15A - 250VAC -72-...
  • Page 73 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA New PCB 0010452040 CN27 CN26 CN25 CN10 CN19 CN11 CN12 CN13 CN14 CN16 CN15 CN17 CN21 New filter board 0010403645 -73-...
  • Page 74 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA AS182AVERA: WIRING DIAGRAM OF WALL MOUNTED UNIT 0010576611 SWING SWING SWING SWING MOTOR 1 MOTOR 2 MOTOR 3 MOTOR 4 RECEIVER PIPING TEMP. SENSOR NEGATIVE ION GENERATOR R-MOTOR L-MOTOR UP DOWN CON3 ROOM TEMP.
  • Page 75 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA AD182AMERA: CIRCUIT DIAGRAM OF INDOOR UNIT 0010576546 FUSE T2.0A/250VAC REMOTE REMOTE W:WHITE B:BLACK CENTRALIZED RECEIVER R:RED Y:YELLOW CONTROLLER OR:ORANGE BL:BLUE TRANS. BR:BROWN FG L Y/G:YELLOW/GREEN TRANS.:TRANSFORMER FILTER MOTOR CN12 (ALARM) CN14 CN16 CN17...
  • Page 76 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 0010451690E CN11 CN21 CN15 CN12 CN16 CN13 LED1 CN14 CN17 CN20 CN19 LED5 LED4 -76-...
  • Page 77 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 11.2 Sensor characteristic model name code sub-part code characteristic outdoor ambient Ω±3% R25=10K 0010450192 001A3800082 temperature sensor B25/50=3700K±3% Ω±3% mid-condenser R25=10K 0010450195 001A3800093 temperature sensor B25/50=3700K±3% AU182AFERA oil temperature Ω±3% R25=10K 0010451305 001A3800093 sensor B25/50=3700K±3%...
  • Page 78 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA R80=50KΩ±3% R80=50KΩ±3% R25=10KΩ±3% R25=10KΩ±3% B25/80=4450K±3% B25/80=4450K±3% B25/50=3700K±3% B25/50=3700K±3% T(℃) Rnom(KΩ) T(℃) Rnom(KΩ) T(℃) Rnom(KΩ) T(℃) Rnom(KΩ) 11600 536.6 -20℃ 90.79 6.95 10860 511.1 85.72 6.68 10170 486.9 80.96 5.43 9529 76.51 8932 442.3 72.33...
  • Page 79 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA R25=23KΩ±2.5% R25=23KΩ±2.5% B25/50=4200K±3% B25/50=4200K±3% T(℃) Rnom(KΩ) T(℃) Rnom(KΩ) 281.34 26.54 -20℃ 22℃ 263.56 25.3 -19℃ 23℃ 247.04 24.12 -18℃ 24℃ -17℃ 231.66 25℃ 217.35 21.94 -16℃ 26℃ 204.02 20.94 -15℃ 27℃ 191.61 19.99 -14℃...
  • Page 80: Troubleshooting

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 12. Troubleshooting Outdoor troubleshooting: B elow the indication on indicator board sequence is LE D 5-LE D 4-LE D 3-LE D 2-LE D 1, 0: O FF; 1: O N 1 ) S ensor failure A larm condition: am bient tem perature sen sor is in short circuit or open circuit for 3 seconds con tinously.
  • Page 81 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 3) Outdoor DC motor abnormal Outdoor indicator displays 00010. Alarm condition:outdoor DC motor is blocked rotor or broken, abnormal. This fault is only used when indoor unit is with DC fan motor. outdoor indicator shows 00010...
  • Page 82 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA For convertible unit and ceiling concealed unit: compressor can not startup after unit is switched on for 4 minutes if indoor unit alarms other eliminate other failure codes faults check if wiring between indoor...
  • Page 83 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 6) Outdoor SPDU module over current protection Outdoor indicator shows 00101. Alarm condition: When compressor running, the module current is over 21A. outdoor failure indicator shows 00101 check if the refrigerant is adjust refrigerant...
  • Page 84 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 9) EEPROM is abnormal Outdoor indicator shows 01110. Alarm condition: EEPROM is fault or data is missing. outdoor indicator shows 01110 check if EEPROM welded points adjust EEPROM on outdoor PCB is in good...
  • Page 85 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 12) Outdoor low pressure abnormal Outdoor indicator shows 11000. Alarm condition: outdoor system pressure is lower than 0.05MPa. outdoor indicator shows 11000 measure actual pressure by a replace pressure pressure gauge to adjust the...
  • Page 86 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 2) EEPROM failure Alarm condition: before being electrified, EEPROM is faulty or the data is missing. outdoor failure indicator shows 01110 check the EEPROM modify the welded point on outdoor welded point PCB is normal...
  • Page 87 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 4) Indoor DC motor abnormal Alarm condition:outdoor DC motor is blocked rotor or broken, abnormal. This fault is only used when indoor unit is with DC fan motor. LCD of wall mounted unit display F2...
  • Page 88: Performance Curves

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 13. Performance curves AU182AFERA+AS182AVERA: performance curves in cooling mode 6800 6600 6400 6200 6000 5800 5600 5400 5200 20 cooling capacity 5000 4800 20 power input 4600 25 cooling capacity 4400 4200 25 power input...
  • Page 89: Performance Curves

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA performance curves in heating mode 9900 9600 9300 9000 8700 8400 8100 7800 -15/-16 heating capacity 7500 -15/-16 power input 7200 -6/-7 heating capacity 6900 -6/-7 power input 6600 6300 -4/-5 heating capacity...
  • Page 90 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA AU182AFERA+AD182AMERA: performance curves in cooling mode 7600 7400 7200 7000 6800 6600 6400 6200 6000 5800 5600 20 cooling capacity 5400 5200 20 power input 5000 25 cooling capacity 4800 4600 25 power input...
  • Page 91 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA performance curves in heating mode 10800 10500 10200 9900 9600 9300 9000 8700 -6/-7 heating capacity 8400 8100 -6/-7 power input 7800 -4/-5 heating capacity 7500 -4/-5 power input 7200 6900 -1/-2 heating capacity...
  • Page 92 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA value performance -93-...
  • Page 93: Noise Level

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 14. Noise level level pressure sound level pressure sound -94-...
  • Page 94 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA level pressure Sound level pressure sound -95-...
  • Page 95: Air Velocity Distribution

    Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA 15. Air velocity distribution AD182AMERA: cooling air discharge angle 5 Air Velocity distribution cooling air discharge angle 5 Temperature distribution heating air discharge angle 45 Air Velocity distribution -96-...
  • Page 96 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA heating air discharge angle 45 Temperature distribution -97-...
  • Page 97 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA AS182AVERA air velocity distribution: unit m/s Fig 1 top view flow control panel horizal 0.25 lourer:center unit m/s 0.5 0.25 Fig 2 top view flow control panel horizontal lourer:right and left 0.25 unit m/s...
  • Page 98 Commercial Air Conditioner Model: AU182AFERA AD182AMERA, AS182AVERA Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com -99-...

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