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Haier AU422XIBAA Service Manual

5hp fixed frequency free multi
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AU422XIBAA
AS122XABAA
AS122XCBAA AE122XCBAA AB122XCBAA AF122XCBAA
AS142XCBAA AE142XCBAA AB142XCBAA AF142XCBAA
AE212XCBAA AB212XCBAA
Features
Auto-check function
Auto –restart function (optional )
Group control function
Weekly timer (optional)
Variable Control modes
The total capacity of indoor unit can be more than that of outdoor unit.
With new environment friendly refrigerant R407C
MANUAL CODE: SYJS-023-03

SERVICE MANUAL

Commercial Air Conditioning
5HP fixed frequency free multi
HAIER GROUP
REV: 2
EDITION: 2005.03

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  Summary of Contents for Haier AU422XIBAA

  • Page 1: Service Manual

    SERVICE MANUAL Commercial Air Conditioning 5HP fixed frequency free multi AU422XIBAA AS122XABAA AS122XCBAA AE122XCBAA AB122XCBAA AF122XCBAA AS142XCBAA AE142XCBAA AB142XCBAA AF142XCBAA AE212XCBAA AB212XCBAA Features Auto-check function Auto –restart function (optional ) Group control function Weekly timer (optional) Variable Control modes The total capacity of indoor unit can be more than that of outdoor unit.
  • Page 2: Table Of Contents

    CONTENTS CONTENTS Contents 1. Description of products & features 2. Specification 3. Safety precaution 4. Net dimension of indoor and outdoor 5. Installation instructions 6. Parts and functions 7. Remote controller functions 8. Refrigerant diagram 9. Electrical control functions 10. Diagnostic information (trouble shooting) 11.
  • Page 3: Description Of Products & Features

    1.DESCRIPTION OF PRODUCTS & FEATURES 1.1. Products code explanation U 42 Climate type: T1 (see table 1) Design number (A stands for design sequence,fixed frequency type) Product type: A stands for heat pump type, refrigerant is R22 B stands for heat pump type, refrigerant is R407C M stands for cool only type, refrigerant is R22 N stands for cool only type, refrigerant is R407C Appearance character...
  • Page 4: Product Character

    1.4 Product character 1.4.1 Operating individually and operating simultaneously The unit can realize individual operation which can control one unit running, stop, and adjusting running mode. Also the unit can operate simultaneously which control multi indoor units at the same time. 1.4.2 Variable quantity of indoor unitIf you want to add or reduce the quantity of indoor units (of course the match must correspond with the design), it can meet your need at any time.
  • Page 5: Specification

    2. SPECIFICATIONS Item Model AU422XIBAA Cooling Heating Function —— 42000 48000 Capacity BTU/h 12500 14000 Capacity 5600 5600 Total power input 6300 6300 Max. power input 2.30 2.50 EER or COP Dehumidifying capacity 10 ³×m³/h 3 × 5.0mm Power cable ——...
  • Page 6 Item Model AS122XCBAA AS142XCBAA Function Cooling Heating Cooling Heating —— Capacity 12000 13000 14000 16000 BTU/h Capacity 3500 3900 4100 4600 Dehumidifying capacity 10 ³×m³/h Power cable —— 3 × 0.75mm Communication cable —— 2x(0.75~1.25mm 1, 220~230, 50 Power source N, V, Hz Running current A / A...
  • Page 7 Item Model AS122XABAA Function Cooling Heating —— Capacity 12000 13000 BTU/h Capacity 3500 3900 Dehumidifying capacity 10 ³×m³/h Power cable 3 × 0.75mm2 —— Power source 1, 220~230, 50 N, V, Hz Running current A / A 0.25 0.25 Start current AS122XABAA (white) Unit model (color) ——...
  • Page 8 Item Model AB122XCBAA AB142XCBAA Function —— Cooling Heating Cooling Heating Capacity BTU/h 12000 13000 14000 16000 Capacity 3500 3900 4100 4600 Dehumidifying capacity 10 ³×m³/h Power cable —— 3 × 0.75mm Communication cable —— 2x(0.75~1.25mm Power source 1, 220~230, 50 N, V, Hz Running current 0.20...
  • Page 9 Item Model AE212XCBAA AB212XCBAA Function Cooling Heating Cooling Heating —— Capacity 21000 24000 21000 24000 BTU/h 6150 7000 6150 7000 Capacity Dehumidifying capacity 10 ³×m³/h 3 × 0.75mm Power cable —— 2x(0.75~1.25mm Communication cable —— Power source 1, 220~230, 50 N, V, Hz Running current 1.35...
  • Page 10 B25/80=4450K±3% ambient temp sensor, B R25=5K ±1% 0010451343 system coil temp sensor B25/50=3450K±1% R25=5K ±1% 0010450243 A system coil temp sensor B25/50=3450K±1% AU422XIBAA A system discharging temp R80=50K ±3% 0010450398 sensor B25/80=4450K±3% B system discharging temp R80=50K ±3% 0010451344 sensor B25/80=4450K±3%...
  • Page 11: Net Dimension Of Indoor And Outdoor

    4. Net dimension of indoor and outdoor 4.1 Outdoor unit: AU422XIBAA screw hole (M10)
  • Page 12 4.2 Indoor units Model: AF122XCBAA AS122XCBAA AS142XCBAA Model: >...
  • Page 13 Model: WALL MOUNTED TYPE model AS122XABAA...
  • Page 14 AE122XCBAA AE142XCBAA AE212XCBAA Model: UPDATED Installation dimension: (Unit: mm) TYPE AE092XCBAA AE072XCBAA, AE122XCBAA, AE142XCBAA AE212XCBAA 1099 1064 AB122XCBAA AB142XCBAA Model:...
  • Page 15 Model: AB212XCBAA (ceiling hole)
  • Page 16 SAFETY PRECAUTIONS 3 SAFETY PRECAUTIONS Please read these "Safety Precautions" first then accurately execute the installation work. Though the precautionary points indicated herein are divided under two headings, WARNING those points which are related to the strong possibility of an installation done in error CAUTION WARNING resulting in death or serious injury are listed in the...
  • Page 17: Safety Precautions

    SAFETY PRECAUTIONS WARNING When setting up or moving the location of the air conditioner, do not mix air etc. or anything other than the designated refrigerant (please see nameplate) within the refrigeration cycle. Rupture and injury caused by abnormal high pressure can result from such mixing. Always use accessory parts and authorized parts for installation construction.
  • Page 18 The unit capacity and performance mode: (A stands for system A, B stands for system B) Performance data of combination “AU422XIBAA+122X*BAA 4” as followings: AF122*1 AF122*1 AF122*2 AF122*2 AF122*2 AF122*2 Performance mode AS122*1 AS122*1 AS122*2 AS122*2 AS122*2 AS122*2 AB122*1 AB122*1...
  • Page 19 Pipe connections: 1 TO 4 Outdoor unit Indoor units 1 TO 3(except for 21000BTU/h units) Outdoor unit Indoor units 1 TO 2(except for 21000BTU/h units) Outdoor unit Indoor units...
  • Page 20 Communication Wire connection: 1. The indoor unit whose liquid pipe is connected to A1 in A system is called unit A1, its communication wire of A1(3) A1(4) should be connected to A1(P) A1(Q) respectively. 2. The indoor unit whose liquid pipe is connected to A2 in A system is called unit A2, its communication wire of A2(3) A2(4) should be connected to A2(P) A2(Q) respectively.
  • Page 21 Special Installation Guide to 21000BTU indoor units on Free Multi system Only for outdoor unit AU422XIBAA working with 21000BTU indoor units 1. Special accessory pipes for 21000BTU indoor units: Changing pipe (1/2-5/8) Collecting pipe (1/4-3/8) 6.35 9.52 12.7 15.88 6.35 2.
  • Page 22: Installation Instructions

    5. Installation instructions 5.1 Installation of outdoor unit 5.1.1 Connection of pipes Coat the flaring seal face with refrigerant oil. To bend a pipe, give the roundness as large as possible not to crash the pipe. To connect a pipe, fit the centers and tighten the nut hand tight, then use spanner of torque wrench to tighten it.
  • Page 24: Standard Accessories

    5.2 Installation of indoor unit for console type Installation of indoor unit selection of installation place Place where it is easy to route drainage pipe and outdoor piping. Place ,away from heat source and with less direct sunlight. Place where cool and warm air could be delivered evently to every corner of the room.
  • Page 25 Fixing of the unit Outdoor side Indoor side 1.Position of the wall hole Wall hole should be decided according to installation Wall hole Thickness of wall place and piping direction.(refer to installation drawings). 70mm 2. Making a wall hole Drill a hole of 120X70mm dia. with a little slope towards outside.
  • Page 26: Electric Wiring

    Piping connection of the indoor unit 1. Arrangement of piping and drainage pipe After opening inlet grill,you will see a control box. Remove the cover before working. Cut away, with a hammer or a saw, the lid for piping according to piping direction. Insulation material Drain hose Copper tube...
  • Page 27 Wiring diagram: Block terminals C1 C2 for indoor unit W B Y/G NOTE: W:WHITE B:BLACK Block terminals Y/G:YELLOW/GREEN for outdoor unit R:RED (different outdoor unit have different block terminals) Note: When connecting indoor and outdoor wire, check the number on indoor and outdoor terminal blocks.
  • Page 28 Installation Instructions of wall mounted type Installation Tools 1) Screw Driver 2) Hacksaw 3) Hole core drill 4) Hexagon wrench (5mm) 5) Spanner (14,17,19 and 24mm) 6) Torque wrench (17,22,24mm) 7) Pipe cutter 8) Flaring tool Standard Accessories The standard accessories includes: 1) Measuring type 2) Reamer 3) Refrigerant oil 4) Gas leakage detector or soap-and-water solution 5) Knife 6) Nipper Number of articles Accessory Parts...
  • Page 29 Number of articles Accessory Parts 3 by 1 4 by 1...
  • Page 30 The installation of wall mounted type Indoor Unit 1 Fitting of the Mounting plate and Positioning of the Wall Hole 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 31 3 lnstallation of the lndoor Unit Drawing of pipe [Rear piping] Draw pipes and the drain hose, then fasten them and connecting electric cable for indoor and outdoor with the adhesive tape. Drain hose should be placed under. Piping Heat insulation material Pipe supporting plate...
  • Page 32: Installation Of Indoor Unit

    5.4 Installation of ceiling concealed type Installation of indoor unit When installing the ceiling concealed type indoor unit, a specially designed return air bellows shall be installed, as shown in Figure 3, Figure 4. Figure 3 Installing building roof *0.5m or*5m Ceiling Unit Return air bellows...
  • Page 33 transitive air duct flexible joint Indoor unit or static pressure box circular air duct joint of air diffuser air diffuser Fig1: Duct connected 2. Installation for air return duct Use rivets to connect the air return duct to the air return inlet of the indoor unit. The other end connects to the air return shutter.
  • Page 34 Iron reinforcement Foundation bolt Knife embedded part Guide plate embedded part Pipe suspension foundation bolt Original concrete slab Use hole hinge, hole plunger or hole bolt. Steel reinforcement structure Use steel angle or new support steel angle directly. Hanging bolt Support steel angle Suspension screw Hanging of the indoor unit...
  • Page 35 Installation of remote controller Upper cover of wire 1. Remove upper cover of wire controller controller Remove upper part of wire controller by press. Lower cover of wire PCB is mounted on lower part of wire controller controller, be careful not to damage it. 2.
  • Page 36: Drain Pipe

    Drain pipe ! Caution In order to drain water normally, the drain pipe shall be processed as specified in the installation manual and shall be thermal insulated to avoid dew generation. Improper hose connection may cause indoor water leakage. Requirements The indoor drain pipe shall be thermal insulated.
  • Page 37: Installation Procedure

    Installation Procedure efrigerant piping Allowable pipe length and drop These parameters differ according to the outdoor unit. See the instruction manual attached with the outdoor unit for details. Pipe material and size Pipe material Phosphorus deoxidized copper seamless pipe (TP M) for air conditioner Model AE142XCBAA...
  • Page 38 Installation Procedure efrigerant piping Vacuum pumping With a vacuum pump, create vacuum from the stop valve of the outdoor unit. l Emptying with refrigerant sealed in the outdoor unit is absolutely forbidden. Open all valves Open all the valves on the outdoor unit. Gas leakage detection Check with a leakage detector or soap water that if there is gas leakage at the pipe connections and bonnets.
  • Page 39 Installation Procedure Electric wiring ! Warning The electric wiring work shall be conducted by qualified electricians according to the installation instructions. A separate power circuit shall be used. Insufficient power cord amperage or improper wiring will cause danger of electric shock or fire. During wiring connection, the power cord shall be of the specified cable and reliably fastened so that external forces applied to the cable wouldnt transfer to the terminals.
  • Page 40 Wire connection for built-in indoor unit Insert from outside the connection wire and signal transmission wire through the wall hole with pipeline already arranged. Pull out the front ends of connection wire and signal wire and make a circle on the signal wire.
  • Page 41 5.5 Installation of cassette type (AB122~AB142XCBAA)
  • Page 46: Before Installation

    5.6 Installation of cassette type (AB212XCBAA) 1.BEFORE INSTALLATION Do not discard any accessories until installation completed ● Determine the best way to carry the unit to its installation place. ● Do not remove the packing until the unit reaches the installation place. 2.SELECTION OF INSTALLATION POSITION (1) Installation place shall meet the following and be agreed with the customers/user: ●...
  • Page 47 (2) Cut an opening in the ceiling for installation if necessary. (when ceiling already exists.) ● Refer to paper pattern for dimension of ceiling hole. (3) Install suspention bolts. (Use M10 bolt) To support the unit weight, anchor bolts shall be used in the case of already existing ceiling. For new ceiling, use built-in type bolt or parts available on the market.
  • Page 48: Refrigerant Piping

    5. REFRIGERANT PIPING ● The Outdoor unit is precharged with R407c refrigerant. ● Refer to Fig.1, when connecting and removing piping from unit. ● For the size of the flare nut, please refer to Table 1. ● Apply refrigerant oil at both inside and outside of flare nut. Tighten by hand 3-4 turns then tighten as specified. ●...
  • Page 49 (2) Check if water drainage is smooth after installation. ● Charge, through air outlet or inspecting hole, 1200ccl water to see water drainage. When wiring is not complete ● Remove cover of control box, make a short connection on "CHECK" terminal of the indoor unit, which is on the upper part of indoor unit PCB.
  • Page 50: Parts And Functions

    6. Parts and functions 6.1 Outdoor unit air inlet air outlet terminal block maintenance plate valve plate 6.2 Indoor unit /-=A@;8@ 0-7=<@?=; >6<8; 1-:<;8@ 2-9:;@8? + DEFDBC , 3-=A@;8@...
  • Page 51 wall mounted type Indoor unit:AS122XCBAA, AS142XCBAA signal receiver window air inlet grille air filter(inside) air outlet grille louver ceiling concealed type Indoor unit fan inside motor inside electric control box air duct evaporator AS092XABAA, AS122XABAA Test running switch (manual) Used only for test running in cooling Inlet grill when room temp.
  • Page 52 Cassette type Indoor unit AB212XCBAA Pump unit (built in) In cooling operation,to Drain discharge the water from inside the room. Swing louvre (located in the outlet) Refrigerant pipes Outlet Air filter (located in the suction grille) Suction grille AB122\AB142XCBAA Swing louver (Air flow direction can be adjusted by using the SWING button on the remote controller) Electrical control box...
  • Page 53: Remote Controller Functions

    7.Remote controller functions 4.Operation MODE Remote controller Used to select operation mode. Every time you press MODE button, operation mode changes according to following sequence: AUTO HEAT COOL 5.HEALTH Button Used to set health mode, if the unit has the negative ion function and oxygen bar function.
  • Page 54: Fan Button

    18.FAN Button The distance between the remote controller and the receiver should be max 7m and there should be no obstacle between them. Used to select fan speed:LOW,MID,HIGH,AUTO. Do not throw the remote controller; prevent it from being 19.TIMER OFF Display damaged.
  • Page 55 Fan Operation 1.Unit start Press ON/OFF button to start your air conditioner. Previous operation status appears on LCD (except for TIMER, SLEEP, and SWING setting). 2.Select operating mode Press MODE button. At each press, operation mode changes as follows: COOL HEAT AUTO Then select FAN...
  • Page 56: Temperature Setting

    AUTO, COOL , HEAT and DRY Operation 1. Unit start Press ON/OFF button,unit starts. Previous operation status appears on LCD (except for TIMER, SLEEP and SWING setting) 2.Select operation mode Press MODE button. At each press, operation mode changes as follows: TEMP AUTO COOL...
  • Page 57: Adjusting Air Flow Direction

    Adjusting air flow direction AUTO SWING AUTO SWING Press SWING button. Up and down airflow varies upwards When the automatic swing louver moves to the proper and downwards. Left and right airflow angle, press SWING button can fix the airflow direction. varies left and right sides.
  • Page 58: Sleep Function

    Sleep Function Before going to bed you can press down the SLEEP button and the air conditioner will run so as to make you sleep more comfortably. Before using this function, the clock must be set. Use of SLEEP function After the unit's start, set running mode and then press SLEEP button once to make the air conditioner have the previous-set sleep time (first power-on is "1h").
  • Page 59: Timer On/Off Function

    Timer ON/OFF Function Set clock correctly before starting TIMER operation 1.Unit start After unit start, select your desired operation mode (operation mode will be displayed on LCD) 2.TIMER mode selection Press TIMER button on the remote controller to change TIMER mode.
  • Page 60 Timer ON-OFF Function Set clock correctly before starting TIMER operation 1.Unit start After unit start, select your desired operation mode (operation mode will be displayed on LCD) 2.TIMER mode selection Press TIMER button on the remote controller to change TIMER mode.
  • Page 61 Filter Up/Down (Only for 600*600panel) After the air conditioner has operated for a certain period, dust has accumulated on the filter, and the filter up/down function can be used to clean it. 1.Whether unit starts or stops, continuously press FILTER button for 3 seconds, and enter the filter up/down waiting status (when unit stops, the yellow TIMER indicator flashes, and filter and clock indication are displayed on the remote...
  • Page 62 " High mode " Operation Outline of operation in "High Mode" This function is suitable when the set temperature must be reached in the shortest delay. The button "HIGH/SO", referred to this function, is effective in Cooling/Heating mode (not in Auto/Dry/Fan modes). TEMP Press the HIGH/SO button noce The indication...
  • Page 63 " Soft mode " Operation Outline of operation in "Soft Mode" Operation in "Soft Mode", more silent, is suitable when noises should be reduced, e.g.. for reading or sleeping. The button "HIGH/SO", referred to this operation, is effective in Cooling/Heating mode (not in Auto/Dry/Fan modes). TEMP SWING MODE...
  • Page 64 Auto restart function setting TEMP SWING MODE SLEEP HEALTH FRESH CLOCK TIMER HIGH/SO FILTER LIGHT LOCK RESET CODE Setting method (to be applied for a necessary situation) : After the power failure compensation is set, if power failure suddenly occurs while the air conditioner is working, it will resume the previous working state when the power is supplied again.
  • Page 65 Wired controller YR-E12 functions: Buttons and functions of the wired controller MODE CLOCK Used to adjust time. Used for select indoor operation TIMER mode. Used to set timer mode. FAN SPEED CHECK Used for select indoor air flow. Auto-diagnostic button. SWING Used for setting indoor swing mode.
  • Page 66 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. CLOCK used to adjust time. + - stands for time plus/minus, used to adjust time.
  • Page 67 [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. [CENTRAL] central control mode [OPERATION] running mode [STAND BY] waiting mode [PRE-HEAT]...
  • Page 68 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]...
  • Page 69 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 70 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 function) Press [RECOVERY] button, then the unit will switch over the ventilation mode: [VENTILATION][AUTO] [VENTILATION][RECOVERY] [VENTALATION][NORMAL]...
  • Page 71 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 Function description switch Changeover Wired Connected Central controller controller central Cut off...
  • Page 72 controller, if the central controller is set to “central”, the buttons in the wired controller will be invalid, or the buttons will be valid. Failure code: Failure remote central code on type, control, Failure description Reason Remarks wired flash failure controller times code...
  • Page 73 2m continuously 13(0DH) Solenoid valve Solenoid valve abnormal incorrectly times continuously 76(4CH) Discharging temp. Sensor broken down or sensor abnormal short circuit for more than 2m continuously 05(05H) EEPROM abnormal EEPROM data missing Run as the default value 84(54H) Pressure Low pressure switch acts in abnormal(low normal running...
  • Page 74 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. 2.
  • Page 75 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- --------...
  • Page 76 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- --------...
  • Page 77 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- --------...
  • Page 78 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 2. Wiring connections of wired controller: indoor 1 indoor 2 indoor N...
  • Page 79 terminal A B C of wired controller respectively. The communication wiring is 4 meter long; if the actual length is more than it, please distribute wiring according to below table: Communication wiring length m Dimensions of wiring <100 0.3mm X3-core shielded wire 100 and <200 0.5mm X3-core shielded wire...
  • Page 80: Refrigerant Diagram

    Refrigerant Diagram...
  • Page 81: Electrical Control Functions

    Electrical Control Functions Function Description of function Auto Over 23 cooling and set 26 less 23 Cooling Set temperature between 16 and 30 Drying Set temperature between 16 and 30 Temperature can not be adjusted Emergence run Over 23 cooling and set 26 less 23 Test run Set force cooling...
  • Page 82 Haier 2) Cooling operation cooling operation indoor fan runs does the room temp.exceed the temp. setting auto manual LED of power goes on compressor and outdoor fans run loide valve energized frost prevent LED of operation goes on compressor and...
  • Page 83 Haier 3) Dehumidifying operation Dehumidifying Swing flap in the cooling Swing standard position Swing action Adjust speed according to temperature If enter cooling operation Determine dehumidify according temperature Solenoid valves open, Solenoid valves open, indoor unit fan motor weak indoor unit fan motor weak...
  • Page 84: Diagnostic Information (Trouble Shooting)

    10. Diagnostic information (trouble shooting) 10.1 Failure code Resumable failures are marked with “ ”, the others are not resumable failures. Resumable failure will disappear when the failure is eliminated and its failure code will disappear automatically within 30 seconds. But the other failure code will disappear only after the unit starts up once again.
  • Page 85 Only for AS**XABAA: Failure code of wall mounted units Flash times of timer Failure contents lamp on indoor unit Room temperature sensor problem Pipe temperature sensor problem of indoor unit Fan motor problem of indoor unit High pressure problem of the system Communication problem between indoor and outdoor unit (Alarmed by indoor unit) Low pressure problem of the system...
  • Page 86 Trouble Shooting - Detailed for engineer Malfunction flow chart: analyze and diagnose If the air-condition fails to cooling or heating function and other functions, please check the system as follows: 1. Cooling begining fails in cooling change the designed the enactment TEMP. TEMP.
  • Page 87 2. Malfunction of air-conditioner units 1) Fan of indoor unit faulty on abnormal functioning begining if the power indicator light of indoor unit is illuminates output signal of fan motor fan-out is normal if power supply is normal if capacitator of fan if the CMOS chip of control panel has signal output motor is normal...
  • Page 88 3) There is nothing on display of remote control organ, and the air-conditioner failure to operate begining if the diode on indoor unit is lumines if there s voltage on the primary side of tranaformer if there's AC 220V if power supply and check the port row of of power suplay on communication line are...
  • Page 89: Electrical Data

    11. Electrical Data: Outdoor unit: Outdoor wiring diagram Note: 1.The communication terminal block to indoor cannot be connected to HT eletricity, or PCB will be damaged. 2.Heater is optional according to different outdoor unit. 3.Oxygen pump is optional.
  • Page 90: Console Type

    Console type: INDOOR WIRING DIAGRAM BOTTOM LOUVER TOP LOUVER MOTOR MOTOR AMBIENT TEMP. SENSOR PIPING TEMP. OPTIONAL BOARD SENS0R BOTTOM FAN MOTOR TOP FAN MOTOR RECEIVING BOARD REMOTE CONTROL DETECTOR POWER SUPPLY BOARD TERMINAL BLOCK NOTE PART IN DASH FRAME ARE To Power Supply Connect To Outdoor Unit (1PH,220-230V~,50Hz)
  • Page 91 Wall mounted type: AS122XCBAA, AS142XCBAA SW1 and SW3 are used to choose the working state of the wire controller. The detailed information see the following: Working state of the wire controller if the controller power on, the indoor unit run according to the state on the controller; if the controller power off, the indoor unit run in the auto mode Ignore the state on the controller and power off Ignore the state on the controller and power off...
  • Page 92 Model: AS122XABAA Wiring diagram of indoor unit Signal receiver Transformer display motor Emergency S901 switch Room temp. sensor Heat exch. sensor CN16 Louver motor Terminal Grouding 1(L) 2(N) Remote block control detector Grouding:To Singnal Power:1PH, grouding 220-230 wire:To R: RED B: BLACK of power ,50Hz...
  • Page 93 ceiling concealed type CIRCUIT DIAGRAM OF INDOOR UNIT 0010573647 W:WHITE B:BLACK R:RED Y:YELLOW OR:ORANGE BL:BLUE BR:BROWN Y/G:YELLOW/GREEN NOTE: 1. Parts in dashed frame are optional. POWER SUPPLY: 2. Central controller and fresh air are optional. OUTDOOR 1PH,220-230V~,50Hz UNIT 3. P16 and P17 are used for room card function...
  • Page 94: Cassette Type

    cassette type CIRCUIT DIAGRAM OF INDOOR UNIT remote controller filter central controller receiver wired controller transformer motor receive board float switch fan motor pump motor swing motor piping temp. room temp. sensor sensor fan capacitor W:WHITE B:BLACK R:RED Y:YELLOW OR:ORANGE BL:BLUE BR:BROWN Y/G:YELLOW/GREEN NOTE: 1.
  • Page 96 BLUE GREEN GREEN BLUE TIME POWER HEALTH...
  • Page 102 Exploded views: Outdoor unit:...
  • Page 103: Parts List

    Spare parts the spare-part number Spare parts description in English Qty. Model Failure rate stock Remark Front guard assy 1 001A0100122 AU422XIBAA 0.0000% 0.0000% Plate for maintain 2 001A1301971 AU422XIBAA 0.0000% 0.0000% Front Panel(left) 3 001A1301640 AU422XIBAA 0.0000%...
  • Page 104 35 001A3900161 AC contactor AU422XIBAA 0.2000% 0.2400% 36 0010150084 electric box (horizontal) AU422XIBAA 0.0000% 0.0000% 37 001A3600018 fan capacitor AU422XIBAA 0.2000% 0.2400% 38 0010150138 electric box (vertical) AU422XIBAA 0.0000% 0.0000% 39 001A4000110 power wiring block AU422XIBAA 0.0000% 0.0000% 40 0010451214 AU422XIBAA 0.2000%...
  • Page 106 Parts list Spare parts description in the proportion of the No. Spare parts number English Qty. Model Failure rate spare-part stock Remark 1 001A0100543 Front grill 1 AS122XABAA 0.00% 0.000% × 2 001A0100943 Front panel 1 AS122XABAA 0.00% 0.000% × 3 001A2400080 Air filter 1 AS122XABAA...
  • Page 108 Parts list Spare parts description in the proportion of the No. Spare parts number English Qty. Model Failure rate spare-part stock Remark 1 0010202192 Front grill 1 AS122XCBAA 0.00% 0.000% × 2 0010802130 Front panel 1 AS122XCBAA 0.00% 0.000% × 3 0010202204 Air filter (left) 1 AS122XCBAA...
  • Page 109 Parts list Spare parts description in the proportion of the No. Spare parts number English Qty. Model Failure rate spare-part stock Remark 1 0010202192 Front grill 1 AS142XCBAA 0.00% 0.000% × 2 0010802130 Front panel 1 AS142XCBAA 0.00% 0.000% × 3 0010202204 Air filter (left) 1 AS142XCBAA...
  • Page 111 AF12 and AF14 are the same: Parts list the proportion of Spare parts Spare parts description in the spare-part number English Qty. Model Failure rate stock Remark 0010800954 front grill AF122XCBAA 0.0000% 0.0000% 0010201169 air filter AF122XCBAA 0.0000% 0.0000% 0010201288 button AF122XCBAA 0.0000%...
  • Page 112 Exploded View...
  • Page 113 Parts list the proportion Spare parts description in Failure of the spare- Spare parts number English Qty. Model rate part stock Remark *0010851501.1 AE122XCBAA 0.0200% 0.0240% scroll case *0010851501.2 AE122XCBAA 0.0000% 0.0000% fan motor *0010851501.3 AE122XCBAA 0.0200% 0.0240% wire remote controller 0010451521 AE122XCBAA 0.0100%...
  • Page 114 Parts list the proportion of Spare parts description in Failure the spare-part Spare parts number English Qty. Model rate stock Remark *0010851502.1 AE142XCBAA 0.0200% 0.0240% scroll case *0010851502.2 AE142XCBAA 0.0000% 0.0000% fan motor *0010851502.3 AE142XCBAA 0.0200% 0.0240% wire remote controller 0010451521 AE142XCBAA 0.0100%...
  • Page 115 Parts list the proportion of the spare- Spare parts number Spare parts description in English Qty. Model Failure rate part stock Remark *0010851572.1 AE212XCBAA 0.0200% 0.0240% scroll case *0010851572.2 AE212XCBAA 0.0000% 0.0000% fan motor *0010851572.3 AE212XCBAA 0.0200% 0.0240% wire remote controller 0010451521 AE212XCBAA 0.0100%...
  • Page 117 Parts list the proportion of the Spare parts number Spare parts description in English Qty. Model Failure rate spare-part stock Remark 0010851179 Guard assembly AB122XCBAA 0.0000% 0.0000% 0010400705 Indoor fan motor AB122XCBAA 0.0200% 0.0240% 0010100531 Motor fix plate AB122XCBAA 0.0000% 0.0000% 0010151123 Swing...
  • Page 118 Parts list the proportion of the Spare parts number Spare parts description in English Qty. Model Failure rate spare-part stock Remark 0010851179 Guard assembly AB142XCBAA 0.0000% 0.0000% 0010400705 Indoor fan motor AB142XCBAA 0.0200% 0.0240% 0010100531 Motor fix plate AB142XCBAA 0.0000% 0.0000% 0010151123 Swing...
  • Page 119 Exploded view Model AB212XCBAA...
  • Page 120 Parts list proportion Spare parts Spare parts description in Failure of the number english Qty. Model rate spare-part Remark 1 001A0100708 Bottom plate assy. AB212XCBAA 0.00% 0.000% 2 001A1301741 Swing AB212XCBAA 0.00% 0.000% 3 001A1301743 Motor holder AB212XCBAA 0.00% 0.000% 4 001A1301668 Motor bracket AB212XCBAA...
  • Page 121: Performance Curves

    PERFORMANCE CURVES Cooling capacity chart (kW) (change with the temperature) AU422XIBAA Outdoor temp. Indoor temp. D.B. / W.B. 35 /24 11.6 11.4 10.9 10.4 18/14 12.0 11.7 11.4 10.9 10.2 20/15 12.4 12.1 11.7 11.5 11.0 10.1 22/16 13.3 12.9 12.7...