Haier AB182ACERA Service Manual
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Haier AB182ACERA Service Manual

Haier AB182ACERA Service Manual

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Download this manual See also: Operating Manual, Operation & Installation Manual
Commercial Air Conditioning

SERVICE MANUAL

Features
High energy efficiency class-A
New designed panel 700*700 with 600*600 cassette 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
Built-in high-head water pump for cassette unit
Pre-set fresh air inlet for cassette unit
Left-side and right-side drainage hole for convertible unit
Optional installation types for convertible unit: on the ceiling or on the floor
Weekly timer (standard)
Group control function
Auto check of troubles
Auto restart function
Room card function
Manual code: SYJS-011-05REV.0
Models
AB182ACERA
AC182ACERA
Edition: 2005-10-08

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Summary of Contents for Haier AB182ACERA

  • Page 1: Service Manual

    Commercial Air Conditioning SERVICE MANUAL Models AB182ACERA AC182ACERA Features High energy efficiency class-A New designed panel 700*700 with 600*600 cassette 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...

  • Page 2: Table Of Contents

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA CONTENTS Contents………………………………………………………...2 1. Description of products & features………………………..3 2. Specification…………………………………………………5 3. Safety precaution……………………………………………8 4. Net dimension……………………………………………….10 5. Installation instructions………..……………………………11 6. Parts and functions…………………………………………24 7. Infrared controller functions………………………………..25 8. Electrical control functions…………………………………35 9. Electrical data……………………………………………….50 10.Performance curves............55...

  • Page 3: Description Of Products & Features

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA 1.DESCRIPTION OF PRODUCTS & FEATURES 1.1. Products code explanation B 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: AB182ACERA AC182ACERA 1.4 Product features New designed panel 700*700 with the 600*600 cassette unit New designed swing louver with the non smooth surface, which can hold back the condensant water. New designed filter lock, which will fix the filter more firmly than before.

  • Page 5: Specification

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA 2. Specification Item Model AB182ACERA 2. SPECIFICATION Function cooling heating Capacity 5.0（1.8--5.8） 5.2（2.0---6.2） Sensible heat ratio 0.71 Total power input 1660（550---2400） 1730（600---2300） Max. power input 2650 2650 EER or COP 3.01 3.01 Dehumidifying capacity 10‐³×m³/h...
  • Page 6 Commercial Air Conditioner Model: AB182ACERA AC182ACERA Item Model AC182ACERA Function cooling heating Capacity 5.1(1.8--5.8) 6.0(2.0---7.1) Sensible heat ratio 0.71 Total power input 1690(550---2650) 1650(600---2650) Max. power input 2650 2650 EER or COP 3.01 3.63 Dehumidifying capacity 10‐³×m³/h 4.0×3 Power cable...
  • Page 7 Commercial Air Conditioner Model: AB182ACERA AC182ACERA Installation state: the unit should be placed on the flat floor or be mounted in horizontal direction. Testing method: mounting-on-ceiling unit: built-in-ceiling unit: Note: ⊙ is the real time analyser position...

  • Page 8: Safety Precaution

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA 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 9 Commercial Air Conditioner Model: AB182ACERA AC182ACERA 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 10: Net Dimension

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA 4. Net dimension AB182ACERA: AC182ACERA:...

  • Page 11: Installation Instructions

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA 5. Installation Instructions Cassette unit: Cautions Do not obstruct or cover the ventilation 6. The air breaker should be all-pole switch. And the grille of the air conditioner. Do not put fingers distance between it's two connecters should be no or any other things into the inlet/outlet and less than 3mm.
  • Page 12 Commercial Air Conditioner Model: AB182ACERA AC182ACERA Installation Tools The following parts mentioned in this manual Installation tools are the installation accessories we prepared. The installation tools listed in the following sheet can be used as required. Symbol Parts Name 1. Screw driver 2.
  • Page 13 Commercial Air Conditioner Model: AB182ACERA AC182ACERA 2.Installation Preparation (1) Position of ceiling opening between unit and suspending bolt (front view of unit). Overlap between ceiling and ornament panel shall be 25mm Suspending bolts Ceiling Ornament panel Distance between suspending bolts 535mm...
  • Page 14 Commercial Air Conditioner Model: AB182ACERA AC182ACERA In the case of existing ceiling Nut (Prepare in feild) (1)Install unit temporarily Washer (Prepared in feild) Put suspending bracket on the suspending bolt to hang the unit up.Be sure to use nut and washer at both end of the bracket to secure it firmly.
  • Page 15 Commercial Air Conditioner Model: AB182ACERA AC182ACERA < Note > The slope of water drainage hose shall be within 75mm , make the drainage plug not to bear excessive force. If several water hoses join together, of as per following procedures.
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  • Page 24: Parts And Functions

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA 6. Parts and Functions...

  • Page 25: Infrared Controller Functions

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA 7. Infrared controller functions- YR-H71...
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  • Page 35: Electrical Control Functions

    Model: AB182ACERA AC182ACERA 9. Electrical Control Functions AB182ACERA electric control function: 1.General features 1.1 The running mode includes AUTO, COOL, DRY, FAN and HEAT; can set the compulsory cooling function; AUTO/HIGH/LOW 3-speed for indoor motor; can set the TIMER ON,TIMER OFF, TIMER ON/OFF and SLEEP function;...
  • Page 36 Commercial Air Conditioner Model: AB182ACERA AC182ACERA the unit will enter HEAT or FAN mode, or the unit will still be in COOL mode; 3.4 For the heat pump unit, if the unit is in HEAT mode at present, when it arrives compressor-stop temperature, the compressor will stop;...
  • Page 37 Commercial Air Conditioner Model: AB182ACERA AC182ACERA The inverter unit DRY operation: Tr-Ts＞2℃, running in COOL mode; Tr-Ts≤2℃, the compressor will run at 34Hz and 60Hz by turns, the duration time is 6 minutes at 34Hz, and the duration time is 10 minutes at 60Hz;...
  • Page 38 Commercial Air Conditioner Model: AB182ACERA AC182ACERA blows remaining heat; “the compressor startup----indoor motor delays to start up” adjust if the pipe is anti-cold air; in other conditions, the compressor and the indoor motor are allowable not to be in company. In cooling mode, the motor will run according to the control, not together with the compressor.
  • Page 39 Commercial Air Conditioner Model: AB182ACERA AC182ACERA The compressor total running time is over 30 minutes, Tp<-6℃, enter defrosting (signal time over 5 minutes); b. Quit condition The defrosting time is over 10 minutes (excluding conversion time for before and after defrosting).
  • Page 40 Commercial Air Conditioner Model: AB182ACERA AC182ACERA TIMER ON: RUN LED is off, compressor LED is off, and TIMER LED is on, the unit is in stop state. When timer is over, the unit begins to run, and the timer LED is off. The unit operation begins from receiving the timer signal for the last time.
  • Page 41 Commercial Air Conditioner Model: AB182ACERA AC182ACERA protection. 5 minutes later, the unit will enter the normal state. In the compulsory cooling state, you can press any button to quit the state. For the unit with outdoor PCB, the compressor and the outdoor motor will be controlled by outdoor PCB.
  • Page 42 Commercial Air Conditioner Model: AB182ACERA AC182ACERA auto-check circuit. Before auto-check, please ensure the input values (sensor, pressure switch) normal, or the buzzer will sound 5 times to show there is abnormal; all the ports will output as the following sequence: run lamp-timer lamp-electric heater-water pump-compressor/compressor lamp-outdoor motor-4-way valve;...
  • Page 43 Commercial Air Conditioner Model: AB182ACERA AC182ACERA disconnected for over Outside alarm signal input Outside signal Resumable disconnected for over Gas pipe temp. sensor Sensor disconnected, Resumable abnormal short circuit for over 2m Solenoid valve abnormal Valve abnormal 3 times Check and reset to resume Discharging temp.
  • Page 44 Commercial Air Conditioner Model: AB182ACERA AC182ACERA Master/slave wired √/× controller 13. Network address selection (√shows jumper connected, ON; ×shows jumper disconnected, OFF) address × × × × × × × ×shows √ × × × × × × network ×...
  • Page 45 Commercial Air Conditioner Model: AB182ACERA AC182ACERA AC182ACERA electric control functions: 1.FAN operation Indoor fan speed can be adjusted by hand. In this case, there is no auto fan function, and the original set is the memorized state. Meantime, you can set the HEALTH function. Outdoor unit will stop.
  • Page 46 Commercial Air Conditioner Model: AB182ACERA AC182ACERA 2.080V≤current<2.332, frequency reduces continuously current>2.332V, unit shutoff Note: The current limitation for different models, you can choose it due to the different distributing voltage of the hardware current detecting circuit. (2) Compressor overheat protection Tc(compressor temperature)<...
  • Page 47 Commercial Air Conditioner Model: AB182ACERA AC182ACERA Outdoor unit: 4-way valve electrified 2-way valve shutoff if the unit shutoff in heating mode or the state changes, the 4-way valve will be not electrified 1 minute and 50 seconds later. (1) Fan motor Ta>16.5℃...
  • Page 48 Commercial Air Conditioner Model: AB182ACERA AC182ACERA (7) Soft Mode operation In heating state of Soft mode, the frequency will depend on the current at the frequency set in the chip, when the current is below half of the rated current at rated condition. The fan speed is Auto Fan until you change the operation mode.
  • Page 49 Commercial Air Conditioner Model: AB182ACERA AC182ACERA off. 7.4 3-minute protection After compressor stops, only 3 minutes later the compressor can re-start up. 7.5 High pressure protection After compressor is running for 5 minutes, the unit will check the pipe pressure, when the pipe pressure is too high, 15 seconds later, compressor and outdoor fan motor will stop, and then 3 minutes later, the unit will be normal.

  • Page 50: Electric Data

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA 10. Electric data 10.1 Wiring diagram Cassette unit: 0010576971 CIRCUIT DIAGRAM OF INDOOR UNIT PIPING TEMP. SENSOR TRANSFORMER ROOM WIRED PUMP TEMP. CONTROLLER MOTOR STEPMOTOR SENSOR CN13 CN14 CN12 1234 1234 1234 CN18 TRANS.-II...
  • Page 51 Commercial Air Conditioner Model: AB182ACERA AC182ACERA 10.2 Electric part specifications model name code characteristic R25=23KΩ±2.5% AC182ACERA coil temperature sensor 001A3900005 B25/50=4200K±3% R25=23KΩ±2.5% ambient temperature sensor 001A3900005 B25/50=4200K±3% AB182ACERA R25=10KΩ±3% coil temperature sensor 001A3900006 B25/50=3700K±3%...
  • Page 52 Commercial Air Conditioner Model: AB182ACERA AC182ACERA R25=23KΩ±2.5% R25=23KΩ±2.5% R25=10KΩ±3% R25=10KΩ±3% R25=10KΩ±3% B25/50=4200K±3% B25/50=4200K±3% B25/50=3700K±3% B25/50=3700K±3% B25/50=3700K±3% Rnom(KΩ) Rnom(KΩ) Rnom(KΩ) Rnom(KΩ) Rnom(KΩ) T(℃) T(℃) T(℃) T(℃) T(℃) 281.34 24.12 90.79 10.43 2.09 -20℃ 24℃ -20℃ 263.56 85.72 2.03 -19℃ 25℃ 247.04 21.94...
  • Page 53 Commercial Air Conditioner Model: AB182ACERA AC182ACERA 10.3 PCB circuit diagram: AB182ACERA:...
  • Page 54 Commercial Air Conditioner Model: AB182ACERA AC182ACERA AC182ACERA:...

  • Page 55: Performance Curves

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA 12. Performance curves Heating performance curves-AB182ACERA 7000 6500 6000 -10/-11 heating capacity 5500 -10/-11 power input 5000 -5/-6 heating capacity 4500 -5/-6 power input 4000 1/0 heating capacity 1/0 power input 3500 6/5 heating capacity...
  • Page 56 Commercial Air Conditioner Model: AB182ACERA AC182ACERA Heating performance curves-AC182ACERA 15 heating capacity 8700 15 power input 8200 -7 heating capacity 7700 -7 power input 7200 -5 heating capacity 6700 -5 power input 6200 0 heating capacity 5700 5200 0 power input...

  • Page 57: Noise Level Charts

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA 13. Noise level level pressure Sound level pressure Sound...

  • Page 58: Air Velocity Distribution

    Commercial Air Conditioner Model: AB182ACERA AC182ACERA 14. Air velocity distribution 1) Cassette type a. Cooling / Air Velocity Distribution Cooling Blowy angle:40 Air Velocity Distribution b. Cooling / Temperature Distribution Cooling Blowy angle:40 Temperature Distribution...
  • Page 59 Commercial Air Conditioner Model: AB182ACERA AC182ACERA c. Heating / Air Velocity Distribution Heating Blowy angle:70 Air velocity Distribution d. Heating / Temperature Distribution Heating Blowy angle:70 Temperature Distribution...
  • Page 60 Commercial Air Conditioner Model: AB182ACERA AC182ACERA 2)Convertible type a) Grounding a. Cooling / Air Velocity Distribution Cooling Blowy angle:25 Air Velocity Distribution 0.5m/s 1.0m/s 1.5m/s b. Cooling / Temperature Distribution Cooling Blowy angle:25 Temperature Distribution...
  • Page 61 Commercial Air Conditioner Model: AB182ACERA AC182ACERA c. Heating / Air Velocity Distribution Heating Blowy angle:5 Air velocity Distribution 0.5m/s 1.0m/s d. Heating / Temperature Distribution Heating Blowy angle:5 Temperature Distribution...
  • Page 62 Commercial Air Conditioner Model: AB182ACERA AC182ACERA b) Ceiling a. Cooling / Air Velocity Distribution Cooling Blowy angle:25 Air Velocity Distribution 1.0m/s 0.5m/s b. Cooling / Temperature Distribution Cooling Blowy angle:25 Temperature Distribution...
  • Page 63 Commercial Air Conditioner Model: AB182ACERA AC182ACERA c. Heating / Air Velocity Distribution Heating Blowy angle:65 Air velocity Distribution d. Heating / Temperature Distribution Heating Blowy angle:65 Temperature Distribution...
  • Page 64 Commercial Air Conditioner Model: AB182ACERA AC182ACERA Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...

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