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Haier AD182ALERA Service Manual
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Haier AD182ALERA Service Manual

Haier AD182ALERA Service Manual

Commercial air conditioning
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See also: Operation Manual and Installation Manual
Commercial Air Conditioning
AD182ALERA
Features
High energy efficiency
PAM control
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 protection
Weekly timer (standard)
Group control function
Auto restart function
Manual code: SYJS-032-07REV.0

SERVICE MANUAL

Models
AD362AHERA
Edition: 2007-12-17

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Summary of Contents for Haier AD182ALERA

  • Page 1: Service Manual

    Commercial Air Conditioning SERVICE MANUAL Models AD182ALERA AD362AHERA Features High energy efficiency PAM control 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)

  • Page 2: Table Of Contents

    Commercial Air Conditioner Model: AD182ALERA AD362AHERA CONTENTS Contents………………………………………………………..2 1. Description of products & features………………………..3 2. Specification…………………………………………………7 3. Safety precaution…………………………………………...9 4. Net dimension………………………………………………11 5. Parts and functions…………………………………………12 6. Installation instructions………..……………………………13 7. Controller functions…………………………………………25 8. Electrical control functions………………………………… 9. Electrical data………………………………………………..34 10. Troubleshooting………………………………………..37...

  • Page 3: Description Of Products & Features

    Commercial Air Conditioner Model: AD182ALERA AD362AHERA 1.DESCRIPTION OF PRODUCTS & FEATURES 1.1 Products code explanation D 18 E R A Climate type: T1 (see table 1) Design number (A-G stands for fixed frequency type, R-Z stands for DC inverter frequency type)

  • Page 4: Product Features

    Commercial Air Conditioner Model: AD182ALERA AD362AHERA 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.
  • Page 5 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 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)
  • Page 6 Commercial Air Conditioner Model: AD182ALERA AD362AHERA ■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: AD182ALERA AD362AHERA 2. SPECIFICATION item Model AD182ALERA Function cooling heating Capacity 4.8(1.8--5.8) 5.5(2.0---6.8) Total power input 1.65(0.55---2.65) 1.70(0.60---2.65) Max. power input 2650 2650 EER or COP 2.91(C) 3.24(C) Dehumidifying capacity 10‐³×m³/h Running /Max.Running current A / A 7.5(3.0---12.0)/12A 7.5(3.0---12.0)/12A...
  • Page 8 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 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 9: Safety Precaution

    Commercial Air Conditioner Model: AD182ALERA AD362AHERA 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! Incorrect operations may result in severe consequences of death or serious injuries.
  • Page 10 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 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. cause accidents.

  • Page 11: Net Dimension

    Commercial Air Conditioner Model: AD182ALERA AD362AHERA 4. Net dimension AD182ALERA AD362AHERA 1105 1200 1320 (mm)

  • Page 12: Parts And Functions

    Commercial Air Conditioner Model: 5. Parts and Functions AD182ALERA AD362AHERA...

  • Page 13: Installation Instructions

    Commercial Air Conditioner Model: AD182ALERA AD362AHERA 6. Installation Instructions 6.1 Installation for AD182ALERA...
  • Page 14 Commercial Air Conditioner Model: AD182ALERA AD362AHERA...
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  • Page 16 Commercial Air Conditioner Model: AD182ALERA AD362AHERA /.*,+...
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  • Page 18 Commercial Air Conditioner Model: AD182ALERA AD362AHERA *-*+ .*,+...
  • Page 19 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 6. Installation for 2A ERA...
  • Page 20 Commercial Air Conditioner Model: AD182ALERA AD362AHERA Improper piping...
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  • Page 26: Controller Functions

    Commercial Air Conditioner Model: AD182ALERA AD362AHERA 7. Controller functions For duct type, the indoor unit can be controlled by wired controller YR-E12 as standard control or by remote controller YR-H71 and remote receiver RE-01 as optional control. As for the connection method, please refer to below figures:...
  • Page 27 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 8. Electrical Control Functions 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 when in FAN mode);...
  • Page 28 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 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...
  • Page 29 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 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;...
  • Page 30 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 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 set speed;...
  • Page 31 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 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 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 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.
  • Page 33 Commercial Air Conditioner Model: AD182ALERA AD362AHERA temp. sensor-multi) 20(32D) Module failure Module overheat, overcurrent, due to the signal, short-circuit resumable 36(54D) Fault in zero-load Current sensor failure or due to the signal, resumable compressor is not started 14 Jumper selection (√shows jumper connected, ON; ×shows jumper disconnected, OFF; *...

  • Page 34: Electric Data

    Commercial Air Conditioner Model: AD182ALERA AD362AHERA 9. Electric data 9.1 Wiring diagram AD182ALERA 0010576547 CIRCUIT DIAGRAM OF INDOOR UNIT W:WHITE B:BLACK R:RED Y:YELLOW TRANS. REMOTE REMOTE OR:ORANGE BL:BLUE CONTROLLER RECEIVER BR:BROWN CENTRALIZED Y/G:YELLOW/GREEN CAP.:FAN MOTOR CAPACITOR CN12 TRANS.:TRANSFORMER CN13 (ALARM)
  • Page 35 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 0010451 690 E for AD182ALERA and AD362AHERA CN11 CN21 CN15 CN12 CN16 CN13 LED1 CN14 CN17 CN20 CN19 LED5 LED4...
  • Page 36 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 9.2 Sensor characteristic name code sub-part code model characteristic R25=23KΩ±2.5% ambient temperature sensor 0010451323 001A3900003 B25/50=4200K±3% AD182AL L ERA R25=10KΩ±3% coil temperature sensor 001A3900006 001A3900004 B25/50=3700K±3% R25=23KΩ±2.5% ambient temperature sensor 001A3900005 001A3900003 B25/50=4200K±3% AD362AHERA R25=10KΩ±3%...

  • Page 37: Troubleshooting

    Commercial Air Conditioner Model: AD182ALERA AD362AHERA 10. Troubleshooting 1) Pressure protection Confirm the fault according to the fault code list Does system have Are CN17 and CN18 Replace PCB pressure switch? in PCB cut off? Make them in short circuit...
  • Page 38 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 3) Low pressure protection Confirm the fault according to the fault code list Are connectors of pressure switch in good Check and reconnect condition? Is low side pressure switch Replace PCB activated? (If not, DC voltage is 0V.)
  • Page 39 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 4) High pressure protection Confirm the fault according to the fault code list Are connectors of pressure switch in good Check and reconnect condition? Is high side pressure switch Replace PCB activated? (If not, DC voltage is 0V.)
  • Page 40 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 5) Communication error between indoor and outdoor units Confirm commumication failure according to the fault code list Confirm the fault indicator is communication failure Are communication wire Does indoor communication S and supply wires L and...
  • Page 41 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 7) High current protection in 3-phase fixed frequency models Is three-phase circuit not balanced? Is supply voltage too Modify power supply circuit low? Is supply voltage too low at compressor start-up? Is power cable or compressor wire...
  • Page 42 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 9) Overcurrent protection for single-phase fixed frequency models Is supply voltage too low? Especially modify power supply circuit when compressor starts up? Is supply wire securely re-wiring connected? Is compressor current more than overcurrent...
  • Page 43 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 10) Temperature cutoff protection confirm the malfunction according to the fault code list Does small relay coil Is outdoor four-way valve Relay is broken. of four-way valve have in good condition during Replace PCB...
  • Page 44 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 11) Fault in drain system confirm the malfunction according to the fault code list Unclog pipe and Is drain pipe clogged? water pump Is pump motor in Replace water good condition? pump Is drain pan dirty and...
  • Page 45 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 13) Fault in indoor fan motor confirm the malfunction according to the fault code list Is indoor status Is output voltage of indication good? fan motor good? Is power supply good? Is fan capacitor...
  • Page 46 Commercial Air Conditioner Model: AD182ALERA AD362AHERA 14) Troubleshooting (before replacement of PCB) Service call Fault confirmation For example: no cooling, etc. 1.Is supply voltage acceptable? Confirm operating 2.Is temperature setting correct? (e.g. too high) conditions 3.Is system in TIMER mode? 4.Is user aware of product features, etc.

  • Page 47: Noise Level Charts

    Commercial Air Conditioner Model: AD182ALERA AD362AHERA 11. Noise level charts Sound pressure level DB Sound pressure level DB...
  • Page 48 Commercial Air Conditioner Model: AD182ALERA AD362AHERA Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...

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