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Haier AC142ACBEA Service Manual
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Haier AC142ACBEA Service Manual

Haier AC142ACBEA Service Manual

14 18 universal outdoor fixed frequency series
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14 18 Universal Outdoor Fixed Frequency Series
Features
Fixed frequency
Auto-restart function
Group control(if with a group controller)
Auto-changeover
The Outdoor unit can match with cassette \convertible\duct indoor
Weekly timing(if with a weekly timer)
With new environment friendly refrigerant R407C
MANUAL CODE: SYJS-007 rev.0
Service Manual
Commercial Air Conditioning
AC142ACBEA+AU142AFBEA
AD142AMBEA+AU142AFBEA
AB142ACBEA+AU142AFBEA
AC182ACBEA+AU182AFBEA
AD182AMBEA+AU182AFBEA
AB182ACBEA+AU182AFBEA
Haier Group

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Summary of Contents for Haier AC142ACBEA

  • Page 1 Service Manual Commercial Air Conditioning 14 18 Universal Outdoor Fixed Frequency Series AC142ACBEA+AU142AFBEA AD142AMBEA+AU142AFBEA AB142ACBEA+AU142AFBEA AC182ACBEA+AU182AFBEA AD182AMBEA+AU182AFBEA AB182ACBEA+AU182AFBEA Features Fixed frequency Auto-restart function Group control(if with a group controller) Auto-changeover The Outdoor unit can match with cassette \convertible\duct indoor Weekly timing(if with a weekly timer)

  • Page 2: Table Of Contents

    CONTENTS CONTENTS Contents 1. Description of Products & Features…………...…….1 2. Specifications…………………. ………………...……3 3. Mechnical Data………………..…...………………. 7 4. Electrical Data…… …..…..…..… 5.Performance Curves ………...….…………. ………..45 6. Charts ……………………..……..…… ..………47 7. Electrical Control Functions …..………………56 8.Diagnostic Information (Trouble Shooting) ....62 9. Installation Instructions and Maintenance …..…67 10.

  • Page 3: Description Of Products & Features

    “H” refer to cooling and heating, ”C” refer to cooling only Nominal cooling capacity (BTU/h), 14=14000BTU/h Indoor unit code: "B" Cassette type; "C" convertible "D" Duct type “H” means “Haier” New code A B 14 2 A C B E A Climate type: T1 (see table 1)
  • Page 4 DESCRIPTION OF PRODUCTS & FEATURES 1.4 Products characteristic The outdoor unit can match with different indoor unit The indoor unit can be cassette type\convertible type and duct type. Due to its compact size it neither breaks the harmonization of indoor decoration nor occupies the indoor spaces. The stylish appearance of air conditioner allows it to blend right into ceiling.

  • Page 5: Specifications

    2 SPECIFICATIONS item Model AU142AFBEA/AB142ACBEA cooling heating Function 4.10 4.39 Capacity 14000 15000 Capacity BTU/h 1550 1450 Total power input 1800 1800 Max. power input 2.65 3.03 EER or COP 2.95 Dehumidify capacity 10‐³×m³/h 2X2.0+2X0.75 Power cable 1PH 220V-230V 50HZ Power source N，V，Hz cooling:7.8/8.5 heating:6.8/8.5...
  • Page 6 Dehumidify capacity 10‐³×m³/h Power cable 2X2.0+2X0.75 1PH 220V-230V 50HZ Power source N，V，Hz Running /Max.Running current A / A cooling:7.8/8.5 heating:6.8/8.5 Start current AC142ACBEA (white) Unit model (color) centrifugal×2 type×number speed (H-M-L) r/min 1350±30/1280±30/1210±30 Fan motor output power Air-flow(H-M-L) m³/h 1100/1000/900 9.52...
  • Page 7 item Model AU142AFBEA/AD142AMBEA Function cooling heating Capacity 4.10 4.39 14000 15000 Capacity BTU/h Total power input 1550 1450 Max. power input 1800 1800 2.65 3.03 EER or COP 2.95 Dehumidify capacity 10‐³×m³/h Power cable 2X2.0+2X0.75 1PH 220V-230V 50HZ Power source N，V，Hz Running /Max.Running current A / A...
  • Page 8 item Model AB182ACBEA Function cooling heating 5.27 5.86 Capacity 18000 20000 Capacity BTU/h 2000 1900 Total power input 2400 2800 Max. power input 2.64 3.08 EER or COP Dehumidify capacity 10‐³×m³/h 4X0.75 Power cable 1PH 220V-230V 50HZ Power source N，V，Hz cooling: 10/12 heating: 9.5/14 Running /Max.Running current A / A...
  • Page 9 item Model AC182ACBEA Function cooling heating Capacity 5.27 5.86 18000 20000 Capacity BTU/h 2000 1900 Total power input 2400 2800 Max. power input 2.64 3.08 EER or COP Dehumidify capacity 10‐³×m³/h 4X0.75 Power cable 1PH 220V-230V 50HZ Power source N，V，Hz cooling: 10/12 heating: 9.5/14 Running /Max.Running current A / A...
  • Page 10 AD182AMBEA item Model cooling heating Function Capacity 5.27 5.86 18000 20000 Capacity BTU/h 2000 1900 Total power input 2400 2800 Max. power input 2.64 3.08 EER or COP Dehumidify capacity 10‐³×m³/h 4X0.75 Power cable 1PH 220V-230V 50HZ Power source N，V，Hz cooling: 10/12 heating: 9.5/14 Running /Max.Running current A / A...
  • Page 11 item Model AU182AFBEA Function Cooling Heating Capacity 5.27 5.86 Capacity BTU/h 18000 20000 Total power input 2000 1900 Max. power input 2400 2800 2.64 3.08 EER or COP Dehumidifying capacity 10‐³×m³/h Power cable 4X0.75 1PH 220V-230V 50HZ Power source N，V，Hz Running /Max.Running A / A cooling: 10/12 heating: 9.5/14...
  • Page 12 3 MECHANICAL DATA 3.1 Drawings / Dimensions 3.1.1 Cassette Indoor unit Swing louver (Air flow direction can be adjusted by using the SWING button on the remote controller) Electrical Components Case Air Inlet Grille Air Filter (Inside of the Inlet Grille) 3.1.2 outdoor unit Air inlet Compressor(inside of unit)
  • Page 13 Dimension (Ceiling opening hole) Needed minimum position 100 100...
  • Page 14 Convertible type POWER OPER TIMER COMP EMER Fig.2 Fig.1 Indoor Unit Fig.1 1 Operating Control Panel (Fig.2) 2 Emergency switch 3 Remote Control Signal Receiver 4 Power Indicator Lamp (Red) 5 OPERATION Indicator Lamp (Green) 6 TIMER Indicator Lamp (Yellow) 7 Compressor Run Lamp (Green) 8 Intake Grill (Fig.3) 9 Air Filter...
  • Page 15 ceiling concealed type Indoor unit fan inside motor inside electric control box air duct evaporator 9JLM?HH?MGKJ BGICJLGKJ4 +=JGM4 II, <>;8 12- //2 3- //2 ./0 // .-- 57.1/5:685...
  • Page 16 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 17 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 18 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 19 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 20 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 21 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 22 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 23 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 24 Filter Up/Down (Only for AB182ACBEA) 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 25 " 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 26 " 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 27 AIR FLOW DIRECTION ADJUSTMENT PROCEDURE-Cassette type Adjusting up/down air flow direction Up/down direction can be adjusted by using the SWING button on the remote controller. Each time pressing this button, the mode changes in the following sequence. No indication SWING (louver stopped) Change to the AIRFLOW mode.
  • Page 28 AIR FLOW DIRECTION ADJUSTMENT PROCEDURE-Convertible type Adjusting up/down air flow direction Up/down direction can be adjusted by using the SWING button on the remote controller. Each time pressing this button, the mode changes in the following sequence. SWING No indication (louver stopped) Change to the AIRFLOW mode.
  • Page 29 Wired controller 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 30 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. TIMER：used to set timer mode.
  • Page 31 [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] ：...
  • Page 32 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 ONLY].
  • Page 33 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]. Note: 1. If the two times are the same, the unit will adjust the state after set time arrives according to the current state.
  • Page 34 →[ ], please select appropriate ventilation mode. Query indoor malfunction history: In the state of power on or power off, press [CHECK] button, enter the malfunction-querying mode of all indoor units in the group. Then [CHECK] and [UNIT NO.] will display, and the actual indoor numbers will be displayed in some sequence (unit number is in decimals).
  • Page 35 How to change the function switches? Type State of Function description switch Changeover Wired Connected Central controller controller central Cut off Wired controller controller Changeover of type of Connected Set as simple controller wired controller Cut off Set as standard controller Selection of room temp.
  • Page 36 Electrical functions of wired controller: 1.Switch over method: wired control master unit/wired control slave unit/remote control unit Wired control Wired control Remote control unit Control method master unit slave unit Socket /jumper CN23 Short circuit Not short circuit Not short circuit CN30 Short circuit Short circuit...
  • Page 37 3 pieces of polar wire must connect the wired controller and the master unit (the indoor unit connected with wired controller directly), the others connect with the master unit through 2 pieces of polar wire. B. One wired controller controls one indoor unit, and the indoor unit connects with the wired controller through 3 pieces of polar wire.
  • Page 38 3.4 Refrigerant Diagram Piping Systematic Diagram for Cooling/Heating Type Air Conditioner Cooling Operation Outdoor Unit Indoor Unit Heating Operation Stop Valve Filter One-way Valve Capillary Tube Reversing Valve Quieter Stop Valve...

  • Page 39: Electrical Data

    4 ELECTRICAL DATA 2HP cassette type wiring diagram...
  • Page 40 2HP convertible type wiring diagram...
  • Page 41 14000BTU/h mid ESP duct type wiring diagram Note: 1.Dashed parts are not available 2.Central controller is optional 3.P16 and P17 are used for room card function...
  • Page 42 18000BTU/h mid ESP duct wiring diagram Note: 1.Dashed parts are not available in duct type 2.Central controller is optional 3. P16 and P17 are used for room card function...
  • Page 43 Outdoor wiring diagram 2HP OUTDOOR UNIT WIRING DIRGRAM RELAY TRANS. FAN MOTOR SPEED CONTROLLER CIRCUIT FAN MOTOR CAP. DETECTOR FAN MOTOR HIGH PRESSURE SWITCH 4-WAY VAVLE CN10 WIND LOW PRESSURE SWITCH CRANK HEATER OUTDOOR AMBINENT SENSOR CN12 OUTDOOR PIPING SENSOR CN11 COMPRESSOR VENT SENSOR COMPRESSOR...
  • Page 44 Circuit for 14000BTU/h, 18000BTU/h outdoor unit: 22uF/250V 200K TLP371 4007 62K/3W 4007 TLP521-1 2.2K 62K/3W 62K/3W 4007 C4 103 4004 JQ1A 10K/0.5W 4004 MC68HC908JL3ECP 4007 10K/0.5W CN10 PTA0 PTA5 TEST ULN2003A VHB2B R9 1M PTD4 OSC1 PTD5 JTN1S-TMP-F-DC12V VHB2B OSC2/PTA6 PTD2 4MHz OSC1...
  • Page 45 0010451167 PCB information – circuit diagram D1-D4 100uF 0.1UF/275V 0.1UF/275V 470uF/16V 10K/0.5W P2-P6 LED3 TLP371 7805 7812 R3 10K/0.5W 2200uF C34 104 4.7K CN23 CN22 CN10 T3.15A/250V R41 10K 1N4007 TRAN1-2 FUSE1 4148 N1 9013 LED2 4.7K 4148 2.2K TLP521 JQ1AP-A IC10 JQ1P-A...
  • Page 46 0010451167 PCB information – characters on board（horizontal）...
  • Page 47 0010451167 characters on board（vertical）...
  • Page 48 0010451167 PCB information – port and definition P1——connect to external power supply, live line: L (220VAC) P2——connect to external power supply, neutral line: N (0VAC) P3、4、5、6——control external load, neutral line: N1、N2、N3、N4(0VAC) P7——control external load, electrical heat: HEAT (control output 220VAC) P8——control external load, health function: OXYGEN (control output 220VAC) P9——control external load, humidification: HUMI (control output 220VAC) P10——control external load, SWING(control output 220VAC)
  • Page 49 CN4——input port 3 of transformer (1-2、14VAC，3-4、12VAC) CN5——input control, connecting port to wired controller: CONTROLLER（1. power supply: 12VAC, 2. power supply: 0VAC, 3. communication: COMM.） CN6 — — input control, ambient temp.-coil temp. sensor connecting port: ROOM/PIPE（1-2、ROOM，3-4、PIPE。 ） CN7——control external load, fresh air control: FRESH（1. blank, 2. power supply 0VDC, 3.
  • Page 50 off shows that level exceeds the limitation） CN16——input control, wiring port of central controller: REMOTE （1、 RS485-B， 2、RS485-A。 ） CN17——output signal, output signal of failure alarm, control external load, 12V/ALM（1. control output 0VDC, 2. power supply 12VDC） CN18——output signal (no use) CN19——control external load, swing 1（1、16VDC，2、0VDC，3、0VDC，4、...
  • Page 51 0010451167 PCB information – function selection （ON is 1, OFF is 0） The standard condition for PCB in factory SW1：4 bits are OFF SW2：4 bits are OFF SW3：4 bits are ON SW4：2 bits are ON SW5：4 bits are ON SW1-1——address selection of central controller 0, address selection of wired controller 0 SW1-2——address selection of central controller 1，address selection of wired controller 1...
  • Page 52 wired control. J2，SW3-2——function selection-temperature compensation in heating mode: 1means “yes”, 0means “no”. J3，SW3-3——function selection-outdoor communication: 1means “yes”, 0means “no”. This PCB must be 1. J4，SW3-4——function selection-heat pump unit: 1means “heat pump”, 0means “cooling only”. 1/60——test in short circuit, but in operation short circuit mustn’t be permitted. CHECK —...
  • Page 53 0010451167 PCB information- control type Control type selection between remote and wired: select by dip switch J1, SW3-1 （1 means remote control；0means wired control）. For remote control type, please use remote controller YR-H71, and a remote receiver is equipped with indoor unit. For wired control type, wired controller YR-E12 will be used, 3-core shied wire is equipped with indoor unit.
  • Page 54 Dip switch position in central control type: the addresses （SW1:1~4；SW2:1~4） of indoor units connected with central controller can not repeat. In principle, they should be in the order from small to big. Wiring request in central control type: port A-B is connected with indoor port CN16（A-B）through 2-core shield wire.
  • Page 55 4.4 Thermostat chart (Sensor resistance-temperature graph) Ambient temperature sensor Coil temperature sensor Indoor Ambient temperature sensor Coil temperature sensor Compressor temperature sensor Outdoor 46.5K R(25℃)=10K (Indoor unit Piping sensor) Therameter Sensor temperature（℃） resistance（KΩ） temperature（℃） resistance（KΩ） 116.0 4.549 87.42 3.788 3.170 66.53 51.8 2.660...

  • Page 56: Performance Curves

    5 PERFORMANCE CURVES 5.1 PERFORMANCE CURVES Cool capacity graph 7.00 6.50 6.00 5.50 5.00 4.50 4.00 Indoor DB( ) Outdoor temperature( ) EER graph 5.00 4.00 3.00 2.00 Indoor DB( ) 1.00 Outdoor DB( )
  • Page 57 Heat capacity graph (only heat type available) 8.00 7.50 7.00 6.50 6.00 5.50 5.00 4.50 4.00 3.50 3.00 Indoor DB( ) Outdoor DB( ) COP graph (only heat type available) 4.00 3.50 3.00 2.50 Indoor 2.00 DB( ) Outdoor DB( )
  • Page 58 5.2PERFORMANCE CURVE F-C curve-COOLING 6000 5000 4000 3000 2000 1000 100 110 120 Frequency(Hz) F-C curve –HEATING 6000 5000 4000 3000 2000 1000 Frequency(Hz)
  • Page 59 5.3Air-pressure curve Standard static pressure middle speed low speed super-low speed 50Pa 40Pa 30Pa 20Pa 10Pa Static pressure 50Pa static pressure 1000 High Speed middle speed low speed 50Pa 40Pa 30Pa 20Pa 10Pa static pressure...

  • Page 60: Charts

    6 Charts 6.1NOISE LEVEL CHARTS 6.1.1 Cassette type AB142ACBIA COOLING High 125 250 500 1/2 OCT BAND CENTER FREQUENCY（Hz） HEATING High 125 250 500 1/2 OCT。BAND CENTER FREQUENCY （Hz）...
  • Page 61 6.1.2Convertible type COOLING outdoor High 1/2 OCT BAND CENTER FREQUENCY（Hz） HEATING 60.0 50.0 Outdoor 40.0 High 30.0 20.0 10.0 1/2 OCT BAND CENTER FREQUENCY （Hz）...
  • Page 62 6.2.Air Velocity distribution +Temperature 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 63 c. Heating / Air Velocity Distribution Heating Blowy angle:70 Air velocity Distribution d. Heating / Temperature Distribution Heating Blowy angle:70 Temperature Distribution...
  • Page 64 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 65 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 66 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 67 c. Heating / Air Velocity Distribution Heating Blowy angle:65 Air velocity Distribution d. Heating / Temperature Distribution Heating Blowy angle:65 Temperature Distribution...
  • Page 68 3)Duct type cooling air discharge angle 5 Air Velocity distribution cooling air discharge angle 5 Temperature distribution heating air discharge angle 45 Air Velocity distribution...
  • Page 69 heating air discharge angle 45 Temperature distribution...

  • Page 70: Electrical Control Functions

    7 ELECTRICAL CONTROL FUNCTIONS 7.1 Control Features The brief introduction includes those for each item of various types of air conditioners and The brief introduction includes those for each item of various types of air conditioners and their electric control functions. their electric control functions.
  • Page 71 (2) Auto Selection of Wind Speed In the following, Tr means room temperature while Ts means setting temperature. a. During cooling program conversion of wind speed from the low to high won’t work until the present speed has continued for 3 minutes while conversion from the high to low needs no time delay.
  • Page 72 blowing fan runs at setting wind speed. This working area is defined as area A. (2) Ts Tr Ts + 2 , the compressor and outdoor blowing fan run for 10 minutes then pause for 6 minutes, while indoor blowing fan runs at low wind speed. This working area is defined as area B.
  • Page 73 setting wind speed. (6) Afterheat blowing during heating program During heating program, the compressor will stop running (except overheat protection or frost removal) while the indoor blowing fan will firstly run for 50 seconds at low speed then stop. (7) Frost removal control (applicable for cooling-heating type) Starting conditions for frost removal: The indoor unit is in overload protection and outdoor blowing fan stops.
  • Page 74 (12) Monitoring of remote network Through preset interface, the air conditioner is connected to remote control detector (made by Haier) with 2-core cables for wire communication, to execute instructions sent from computer or centralized controller via remote control detector and meanwhile send present running status and trouble information of the machine to remote control detector.
  • Page 75 7.2 Defrost operation Flow Chart 1. Indoor unit: when defrosting, while the coil temperature<23 , the indoor fan motor stops. 2. Defrosting condition: (Th= ambient temperature, Tp= coil temperature) Th<-10 , Tp -18 Th<-5 , Tp -15 Th<0 Tp -12 Th<6 Tp -8 Th>6...
  • Page 76 10. Diagnostic information 10.1 Failure code remote control type unit: indoor running failure description lamp flash times indoor ambient temp. sensor failure indoor coil temp.sensor failure outdoor ambient temp. sensor failure or 4-way valve broken down in heating mode outdoor coil temp. sensor failure over-current protection failure or phase sequence fault refrigerant system pressure too high or low communication between indoor PCB and receiver panel failure...
  • Page 77 Failure code with wired controller YR-E12: Failure central Failure description Reason remote code control, type, flash wired failure code times controller Drainage system failure Float switch broken down for more than 25m continuously Indoor ambient temp. sensor sensor broken down or short circuit for failure more than 2m continuously Indoor coil temp.
  • Page 78 8.2 Trouble Shooting - Detailed for engineer...

  • Page 82: Installation Instructions And Maintenance

    9 INSTALLATION INSTRUCTIONS AND MAINTENANCE 9.1.cassette type 9.1.1 Installation tools...
  • Page 92 Preparation before installing convertible type unit Before installation of convertible type unit, please confirm which type will be selected: in the ceiling or on the floor. There is a dial switch K1 on the PCB, if you select D, that means the installation is in the ceiling.
  • Page 93 9.2 convertible type 9.2.1 Installation tools 1. Cross screwdriver 2 .Metal saw 3 .70mm drill 4. Spanner(17,27mm diameter) 5 .Spanner(14,17,19,27mm diameter) 6. Pipe cutter 7. Pipe expander 8. Knife 9 .Pliers 10. Leak detector or soap liquor 11. Measuring tape 12 .Scraper 13.
  • Page 94 9.2.3 Selection of mounting position WARNING Under ceiling Install at a place that can withstand the weight of the indoor and outdoor units and install positively so that the units will not topple or fall. Right Indoor unit Left CAUTION 30 cm 1.5m or more...
  • Page 95 2. OUTDOOR UNIT Fig.B WARNING (1) Install the unit where it will not be tilted by more 30 cm than 5 . or more (2) When installing the outdoor unit where it may be exposed to the strong wind, fasten it securely.
  • Page 96 9.2.4 Indoor unit installation PREPARING INDOOR UNIT INSTALLATION 1. REMOVE THE INTAKE GRILL Open the intake grill and remove the three or four or six screws.(Fig. 1) Fig. 1 Machine screw Tapping screw Tapping screw Remark: The main unit can be wired before the indoor unit is installed.
  • Page 97 2. INSTALLING DRAIN HOSE Wrap the insulation (drain hose) around the drain Select whether the drain hose will be connected hose connection. (Fig.7) to the left or right side.(Fig.3) Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener.
  • Page 98 1. DRILLING FOR PIPING 3. INSTALLING BRACKETS Select piping and drain directions. Install the brackets with nuts, washers and spring (Fig.11) washers.(Fig. 15) Rear (Install the drain Fig. 15 hose in the direction.) Right Spring washer Bracket Special nut Fig. 11 CAUTION Bracket (Left) Bracket (Right)
  • Page 99 5. INSTALL THE DRAIN HOSE Fig. 18 Select whether the drain hose will be connected to the left or right side.(Fig.3) Remove the hole cover. Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener.(Fig.6) Wrap the insulation (drain hose)around the drain hose connection.(Fig.7) Be sure to arrange the drain hose correctly so that...
  • Page 100 9.2.5 Outdoor unit installation CONNECTING THE PIPING 1. FLARE PROCESSING Fig. 20 (1) Cut the connection pipe with pipe cutters so Width across flats that the pipe is not deformed. L dimension Liquid pipe (2) Holding the pipe downward so that cuttings 1.6 to 1.8mm(6.35mm dia) cannot enter the pipe, remove the burrs.
  • Page 101 2. Installation of outdoor unit Fix the unit in a proper way according to the condition of a place where it is installed by referring to the following. (b) Foundation anchor Fig. 22 (a) Concrete foundation(Fig. 22) Unit Unit Anchor bolt Concrete foundation Concrete foundation Anchor bolt...
  • Page 102 4. Air purging method (TO USE VACUUM PUMP) For these models , the refrigerant is R407C. Liquid pipe To use vacuum pump 9.52mm(3/8'') Gas pipe 2-way valve 15.88mm(5/8'') Detach the service port's cap of 3-way valve, the 3-way valve valve rod's cap for 2-way valve and 3-way's, connect the service port into the projection of charge hose Gaugemanifold (low) for gaugemanifold.
  • Page 103 5. How to connect wiring to the terminals A. For solid core wiring (or F-cable)(Fig.24A) (1) Cut the wire with a wire cutter or wire-cutting pliers, then strip the insulation to about 25mm of the exposed solid wire. (2) Using a screwdriver, remove the terminal screw(s) on the terminal board. (3) Using pliers, bend the solid wire to form a loop suitable for the terminal screw.
  • Page 104 ELECTRICAL REQUIREMENT (2) Pull out the electric component box. Electric wire size and fuse capacity: Fig.28 Table 5 Connection cord Fuse capacity(A) Electric component box ELECTRICAL WIRING (3) Remove the electric component box cover. CAUTION Fig. 29 (1) Match the terminal block numbers and connection cord colors with those of the outdoor unit.
  • Page 105 ELECTRICAL WIRING (2) Air filter removal and cleaning, and how to use air louvers. WARNING (3) Give the operating and installation manuals to (1) Always use a special branch circuit and install a special the customer. receptacle to supply power to the room air conditioner. MOUNT THE COVER PLATE AND (2) Use a circuit breaker and receptacle matched to the capacity of the room air conditioner.
  • Page 106 3. Mount the intake grill. (1) Cut the right side of the intake grill. This is only when the pipe exits from the right side Fig. 34 (2) Insert the hinges on the bottom of the intake grill into the holes in the base assembly. Then mount the arms to the three areas on the top of the intake grill.
  • Page 107 9 .3Duct type 9.3.1 Installation tools 1 Cross screwdriver 2 Metal saw 3 70mm drill 4 Spanner(17,27mm diameter) 5 Spanner(14,17,19,27mm diameter) 6 Pipe cutter 7 Pipe expander 8 Knife 9 Pliers 10 Leak detector or soap liquor 11 Measuring tape 12 Scraper 13 Refrigeration oil 14 Vacuum pump...
  • Page 108 9.3.3 Installation work Confirm the following items for safe and comfortable use of air conditioner. The installation work is to be burden on the sales dealer, and do not conduct it by yourself. Installation place Avoid installing the air conditioner Install the unit at well ventilated Install the air conditioner firmly on near the place where possibility of...
  • Page 109 9.3.1 Installation of outdoor unit Heat Pump model/Cooling Only model 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 110 4. Refrigerant piping (1) Outline piping Flare connection 3-way valve Gas pipe Outdoor Indoor unit unit Liquid 2-way valve pipe Flare connection (2) Piping Gas piping 15.88(5/8")x1.0mm Liquid piping 9.52(3/8")x0.8mm Install the removed flared nuts to the pipes to be connected, then flare the pipes.
  • Page 111 (5) Purging method ( the refrigerant is R407C) Liquid pipe 9.52mm(3/8'') To use vacuum pump Gas pipe 2-way valve 15.88mm(5/8'') Detach the service port's cap of 3-way valve, the 3-way valve valve rod's cap for 2-way valve and 3-way's, connect Gaugemanifold the service port into the projection of charge hose (low) for gaugemanifold.
  • Page 112 5. Electric wiring WARNING DANGER OF BODILY INJURY OR DEATH TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS. (1) Selection of size of power supply and interconnecting wires. Precautions for Electric wiring Electric wiring work should be conducted only by authorized personnel.
  • Page 113 9.3.2 Installation of indoor unit 1. 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 CAUTION error resulting in death or serious injury are listed in the section.
  • Page 114 NOTICE All Wiring of this installation must comply with NATIONAL, STATE AND LOCAL REGULATIONS. These instructions do not cover all variations for every kind of installation circumstance. Should further information be desired or should particular problems occur, the matter should be referred to your local distributor.
  • Page 115 (4) Preparation for suspending the unit (a) Size of hole at ceiling and position of hanging bolts <Combination with silent panel> (Hanging bolt position) 1180 (Ceiling hole size) 1240 (Panel dimensions) (Ceiling ~ panel wrap dimensions) (b) Hanger bolts installation Use care of the piping direction when the unit is installed.
  • Page 116 (5) Installation of indoor unit Hanging bolt M10 nut M10 washer Fix the indoor unit to the hanger bolts. If required, it is possible to suspend the unit to the beam, etc. Directly by use of the bolts without using the hanger bolts. M10 spring washer Main unit Note...
  • Page 117 Secure the elevation as high as possible When constructing drain piping for several units, position the (approx. 100 mm) common pipe about 100 mm below the drain outlet of each unit as shown in the sketch. Use VP-30(11/4") or thicker pipe for this purpose.
  • Page 118 (7) Installation work for air outlet ducts Air conditioner main unit Heat inlet duct insulation (optional or Suction panel Ceiling surface marketat item) (Silent panel) A Blowout duct B Special blowout special inlet (option) (Optional or marketed item) (Option) (with air filter) Hole for check Calculate the draft and external static pressure and select the length, shape and blowout.
  • Page 119 9.3.4 Check after installation: a. If the indoor unit is installed reliably b. If the gas leakage test is performed c. If the thermal insulation of the unit is complete d. If the drainage is smooth e. If the voltage of the power supply is in accordance with the nameplate of the product f.
  • Page 120 10 EXPLODED VIEWS & PART LISTS 10.1cassette type Indoor unit 47 48 49 50...
  • Page 121 Parts list the proportion Spare parts description in of the spare- No. Spare parts number english Qty. Model Failure rate part stock Remark 1 0010851179 Guard assembly AB142ACBEA 0.00% 0.000% × 2 0010400705 Indoor fan motor AB142ACBEA 0.02% 0.024% 3 0010100531 Motor fix plate AB142ACBEA 0.00%...
  • Page 122 Parts list the proportion Spare parts description in of the spare- Spare parts number english Qty. Model Failure rate part stock Remark 0010851179 Guard assembly AB182ACBEA 0.00% 0.000% × 0010450713 Indoor fan motor AB182ACBEA 0.02% 0.024% 0010100531 Motor fix plate AB182ACBEA 0.00% 0.000%...
  • Page 123 10.2 Convertible Indoor Units...
  • Page 124 Spare parts description in Failure of the spare- No. Spare parts number english Qty. Model rate part stock Remark 1 001A2400087 air filter AC142ACBEA 0.00% 0.000% × 2 001A0100330 inlet grill assy AC142ACBEA 0.00% 0.000% × 3 001A1301398 fixing plate AC142ACBEA 0.00%...
  • Page 125 Parts list the proportion of Spare parts Spare parts description in Failure the spare-part number english Qty. Model rate stock Remark 001A2400087 air filter AC182ACBEA 0.00% 0.000% × 001A0100330 inlet grill assy AC182ACBEA 0.00% 0.000% × 001A1301398 fixing plate AC182ACBEA 0.00% 0.000% ×...
  • Page 126 10.3 Duct type Indoor Units Parts list the proportion Spare parts Failure of the spare- number Spare parts description in english Qty. Model rate part stock Remark 0010851278*1 AD142AMBEA 0.02% 0.024% worm wheel × 0010851278*2 AD142AMBEA 0.00% 0.000% fan motor 0010851278*3 AD142AMBEA 0.02%...
  • Page 127 AD182AMBEA:...
  • Page 128 Parts list Spare parts description in the proportion of the Spare parts number English Qty. Model Failure rate spare-part stock Remark 0010800086 Guard plate 1 AD182AMBEA 0.000% 0.000% 0010100228 Guard plate 2 AD182AMBEA 0.000% 0.000% 0010752674 Evaporator assembly AD182AMBEA 0.010% 0.012% 0010800106 Right fixing plate assembly...
  • Page 129 10.2 Outdoor Units...
  • Page 130 Parts list Failure the proportion of Parts number Description in English Qty. Model rate the spare-part stock Remark 001A1436043A front grille AU142AFBEA 0.0000% 0.0000% 001A1436182 handle AU142AFBEA 0.0000% 0.0000% 001A1101039 left side panel AU142AFBEA 0.0100% 0.0120% 001A1101040 top panel AU142AFBEA 0.0000% 0.0000% AU142AFBEA...
  • Page 131 Parts list Description in Failure the proportion of the Parts number English Qty. Model rate spare-part stock Remark 001A1303126A front grille AU182AFBEA 0.0000% 0.0000% 001A1436182 handle AU182AFBEA 0.0000% 0.0000% 001A1101039 left side panel AU182AFBEA 0.0100% 0.0120% 001A1101040 top panel AU182AFBEA 0.0000% 0.0000% 001A1101038...
  • Page 132 Sincere Forever Haier Group...

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