Haier HDU-24H03/H Service Manual
  1. Manuals
  2. Brands
  3. Haier Manuals
  4. Air Conditioner
  5. HDU-24H03/H
  6. Service manual
Haier HDU-24H03/H Service Manual

Haier HDU-24H03/H Service Manual

Commercial air conditioning
Hide thumbs Also See for HDU-24H03/H:
Table of Contents

Advertisement

Quick Links

Download this manual
Features
High static pressure 196Pa
Flexible setting of the air outlet
Super-silence design
Wired Remote Control
HDU-24H03/H
HDU-28H03/H
HDU-42H03/H
2. Products technical parameters
Commercial Air Conditioning
Duct Type
(AD242AHAAA+AU242AOAAA)
(AD282AHAAA+AU282AOAAA)
(AD142AMBHA+AU142ARBHA)
2. Specifications
4. Electrical Data
Haier Group
2002.9.
https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html
,
Service Manual
Contents
,
,
.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the HDU-24H03/H and is the answer not in the manual?

Questions and answers

Related Manuals for Haier HDU-24H03/H

Summary of Contents for Haier HDU-24H03/H

  • Page 1: Table Of Contents

    Service Manual Features High static pressure 196Pa Commercial Air Conditioning Flexible setting of the air outlet Super-silence design Duct Type Wired Remote Control HDU-24H03/H (AD242AHAAA+AU242AOAAA) HDU-28H03/H (AD282AHAAA+AU282AOAAA) HDU-42H03/H (AD142AMBHA+AU142ARBHA) Contents 1. Description of Products & Features 2. Products technical parameters 3.

  • Page 2: Description Of Products & Features

    “H” refer to cooling and heating, ”C” refer to cooling only Nominal cooling capacity (BTU/h), 24=24000BTU/h Indoor and outdoor unit code: "D" Duct type; "U" Outdoor unit “H” means “Haier” New code A D 24 2 A H A A A Climate type: T1 (see table 1) Design number (A.Fix speed, H.inverter)
  • Page 3 1.4 Brief Introduction to Series of Products i) Seriation of products: The following air duct type air conditioners are now available for export: HDU-24H03/H HDU-28H03/H HDU-42H03/H ii) Features of Products: a. Totally concealed machine body All the machine body is to be installed inside the ceiling, having no effect on the beauty of the room and without taking any room space.
  • Page 4 2. SPECIFICATION Item Model HDU-24H03/H Function Cooling Heating 24000 26000 Capacity BTU/h 2800 2700 Total power input EER or COP BTU/W Dehumidifying capacity 10 ‐³×m³/h 1PH,220-230V~,50HZ Power source PH-V-Hz 12.5 Running current 13.0 Power cable AD242AHAAA / WHITE Unit model (color) centrifugal×3...
  • Page 5 Item Model HDU-28H03/H Function Cooling Heating 30000 Capacity BTU/h 28000 3450 3200 Total power input EER or COP BTU/W Dehumidifying capacity 10 ‐³×m³/h 1PH,220-230V~,50HZ Power source PH-V-Hz 12.5 Running current 13.0 Power cable AD282AHAAA / WHITE Unit model (color) centrifugal×3 Type ×...
  • Page 6 Item Model HDU-42H03/H Function Cooling Heating 42000 44000 Capacity BTU/h 4800 4700 Total power input 8.75 9.46 EER or COP BTU/W Dehumidifying capacity 10 ‐³×m³/h Power source PH-V-Hz 3N,380-400V~,50HZ Running current Power cable AD42NAHAAA / WHITE Unit model (color) centrifugal×3 Type ×...

  • Page 7: Mechanical Data

    3. Mechanical data Indoor Unit Air outlet Duct Duct Drainpipe Air inlet Outdoor Unit Connecting piping and electrical wiring Air inlet Air inlet Air outlet Air outlet Compressor (Inside of unit) Drain hose HDU-24H03/H HDU-42H03/H HDU-28H03/H https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 8 HDU-24H03/H HDU-28H03/H HDU-42H03/H https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 9: Operation

    controller introduction Operation Buttons and display of the wire controller. MODE CLOCK Used to select AUTO Used to set correct time. RUN, COOL, DRY, HEAT and FAN operation. TIMER Used to select FAN SPEED TIMER ON, TIMER OFF, TIMER ON/OFF. Used to select fan speed: LO, MED, HI, AUTO...

  • Page 10: Timer Off

    Operation Buttons and display of the wire controller. HEAT AUTO COOL Remote control SLEEP MODE SWING AUTO TEMP CLOCK TIMER SLEEP ROOM FILTER RESET RESET ON/OFF FAN SPEED OPERATING LAMP TIMER ON FAN OPERATION TIMER OFF TEMP. CLOCK Clock When unit is started for the first time, clock should be adjusted as follows: Press CLOCK button, "AM"or "PM"...

  • Page 11: Fan Operation

    OPERATION The air conditioner has the function of POWER FAILURE RESUME. Fan operation Enjoy yourself by just a gentle press. (1) Unit start (3) Fan Press ON/OFF button, unit starts. Press FAN button. For each press, fan speed Previous operation status appears on display. changes as follows: (Not Timer setting) Power indicator lights up.
  • Page 12 OPERATION AUTO RUN, COOL,HEAT and DRY operation Recommendations Use COOL in summer. Use HEAT in winter. Use DRY in spring,autumn and in damp climate. F A N S W I N M O D E T E M P C L O C K S E T T I M E R S L E E P...

  • Page 13: Timer Operation

    OPERATION TIMER operation Set Clock correctly before starting Timer operation. You can let unit start or stop automatically at following time: Before you wake up in the morning, or get back from outside or after you fall asleep at night. TIMER ON/OFF (3)Timer setting (1)After unit start, select your desired...

  • Page 14: Timer On/Off

    OPERATION TIMER ON-OFF (1)After unit start, select your desired (4) Time confirming for TIMER ON operation mode After time setting, press TIMER button to confirm. Operation mode will be displayed on LCD. "ON" stops blinking, While "OFF" starts blinking. Power indicator lights up. Time displayed: Unit starts at Xhour X min.
  • Page 15 OPERATION Comfortable Sleep At night, before going to bed you can press down the SLEEP button on the controller and the air- conditioner will run by the comfortable sleeping mode to make you sleep more comfortable. Press SLEEP button once to make the air conditioner have the previous-set sleep time (first power- on is "1h"), the sleep symbol will appear.
  • Page 16 INSTALLATION MANUAL FOR WIRE CONTROLLER 1. Remove upper part of wire controller Remove upper part of wire controller by press. PCB is mounted on lower part of wire controller, be careful not to damage it. Upper part of wire controller Lower part of wire controller 2.

  • Page 17: Indoor Unit Wiring

    INSTALLATION MANUAL FOR WIRE CONTROLLER 3. Indoor unit wiring Hint Connect terminals (A,B,C,D) on lower part of When make wiring, please keep a distance between wires and wire controller to terminals (A,B,C,D) on PCB power supply cord. of indoor unit. wiring from here Wire size Lower part of...
  • Page 18 4. Mechanical data model: HDU-24H03/H HDU-28H03/H HDU-42H03/H https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 19 HDU-24H03/H HDU-28H03/H model: HDU-42H03/H https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 20 PCB of HDU-24H03/H HDU-28H03/H HDU-42H03/H SN: 0010400132 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 21 PCB of HDU-24H03/H HDU-28H03/H SN: 0010400212 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 22 outdoor PCB of HDU-42H03/H SN: 0010400214 The PCB 0010400212 and 0010400214 are different from the risistance R7, for 0010400212 the resistance value is 560ohm, for 0010400214 the value is 840ohm. https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 23: Electrical Control Functions

    5 ELECTRICAL CONTROL FUNCTIONS This section includes introduction of items and electrical functions of serial machines 5.1 Introduction of electrical control functions 5.1.1 Auto-running After system is on and turned to auto-running mode, the system shall first choose a suitable operation mode according to present indoor temperature.
  • Page 24 5.1.2 Auto wind speed choice Tr herein after refers to indoor temperature and Ts refers to set temperature. a. When machine is for cold producing and wind speed is switched from low speed to high speed, switching shall not be enabled until operation under present wind speed exceeds 3 minutes.
  • Page 25 5.1.3.2 Ts≤Tt≤Ts+2 C, air compressor and outdoor fan runs for 10 minutes with a 6 minutes’ break, and indoor fan runs in low speed. Working section under such status is section B. 5.1.3.3 Tr<Ts, air compressor and outdoor fan stops running, indoor air fan runs in low speed.
  • Page 26 5.1.5 Cold wind preventing in heat producing (suitable for heat and cold producing machine) For the first time the machine enters heat-producing mode or when the last defrosting completes, if indoor vent pipe temperature equals to or above 28 C and lower than 38 indoor air fan shall run in low speed.
  • Page 27 5.1.7.2 Conditions for defrosting stops 5.1.7.2.1 Defrosting is over 9 minutes 5.1.7.2.2 CT current value is over I4(12A) 5.1.7.3 After defrosting starts, elements shall carry out the following actions: Air compressor and outdoor air fan stops running, meanwhile indoor air fan stops running. After 55 seconds, switch valve closes.
  • Page 28 5.1.12 Remote network monitoring and controlling function Air conditioner is connected to remote controlling detector (manufactured by Haier) for tele-communication through prefabricated orifice on main board by two-core wire, and it shall carry out orders form the computer or centralized controller through remote-control detector.
  • Page 29 5.2 Defrost operation Flow Chart 5.2.1 Model: HDU-24CA03/M(R1) HDU-28CA03/M(R1) HDU-36CA03/M(R1) HDU-42CA03/M(R1) Come to defrost Compressor Open outdoor fun Compressor Condition off or 55s? E-Heat off for 30s? compress Return Operation indoor fun motor Return 4-way value Turn off compressor Return outdoor fun compressor Compressor...

  • Page 30: Diagnostic Information

    6 DIAGNOSTIC INFORMATION (TROUBLE SHOOTING) 6.1 Fault Codes HDU-24CA03/M(R1) HDU-28CA03/M(R1) HDU-36CA03/M(R1) HDU-42CA03/M(R1) Flash time of compressor Code Trouble contents (old) Trouble contents (new) running indicate lamp drainage system trouble drainage system trouble indoor temperature sensor indoor temperature sensor broken broken indoor coil temperature sensor indoor coil temperature sensor broken...
  • Page 31 6.2 Trouble Shooting - Detailed for engineer https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 32 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 33 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 34 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 35: Installation Instruction

    7. Installtation instruction 7.1 Installation for 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 36: Refrigerant Piping

    Install the removed flared nuts to the pipes to be connected, then flare the pipes. (3) Limitations for one way piping length and vertical height difference. One way piping length: less than 30m ( HDU-24H03/H , HDU-28H03/H less than 50m (for HDU-42H03/H Vertical height difference: Less than 15m (for...
  • Page 37 HDU-42H03/H 3.44 3.52 0.06 (viii) Heat pump HDU-24H03/H (vii) 0.06 2.32 2.40 (viii) HDU-28H03/H Notes (i) Basic refrigerant charge amount means refrigerant amount when refrigerant piping length is 5m. (ii) When the refrigerant piping length exceeds the length that additional refrigerant charge is not required, charge additional refrigerant based on to the calculated amount of refrigerant per unit piping length.

  • Page 38: Electric Wiring

    Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with less than 2% voltage drop.) Circuit breaker Earth leakage breaker Item Power source wire size Switch breaker Overcurrent protector Switch Leak Phase (minimum) Model breaker current rated capacity (A) 2.5mm 30mA HDU-42H03/H HDU-24H03/H 4.0mm 30mA HDU-28H03/H https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 39 (2) Wiring connection Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by • and •terminals. HDU-24H03/H HDU-42H03/H HDU-28H03/H Interconnecting Interconnecting wires wires WARNING DO NOT CONNECT THE NEUTRAL WIRE PHASE.

  • Page 40: Safety Precautions

    7.2 Installation for indoor unit 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 resulting in death or serious injury are listed in the section.
  • Page 41 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. WARNING BE SURE TO READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING INSTALLATION.
  • Page 42 3. Preparation before installation (1) The position relation among hoisting screw (unit: mm) 2 5 0 HDU-24H03/H HDU-28H03/H Down side Up side 1270 HDU-42H03/H Down side Up side 1103 (2) If necessary, cut the opening installation and checking needed on the ceiling. (If has ceiling)
  • Page 43 Hanging bolt 4. Installation of indoor unit 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 44 Air suction grille with air filter Checking meatus Please consult the after-sales service worker of Haier Air Conditioner for the choosing and installation of suction inlet, suction duct, discharging outlet and discharging duct. Calculating the design drawing and outer static pressure, and choose the discharging duct with proper length and shape.
  • Page 45 600m 250x190 250x120 /mi n ) (10m /mi n ) HDU-42H03/H HDU-24H03/H Equipped with HDU-28H03/H Static pressure box air filter (bought) The calculation of duct resistance (the simple calculation is as follow table) Straight part Calculate as per 1m length 1Pa, 1Pa/m...
  • Page 46 8. The attentive matters in installation of air suction and discharging duct Recommend to use anti-frost and sound-absorbing Special air discharging outlet duct. (locally bought) The duct installation work should be finished Use screw bolt to fix before the fitment of ceiling. The duct must be heat insulated.
  • Page 47 10. The operation method of fan controller Through the fan controller switch in the electric box, the air volume of this unit can be continuously adjusted. It is unnecessary to adjust air volume through the duct side wind level (unit outside static adjustment). The air volume set should be in the operation air volume range.
  • Page 48 11. Refrigerant pipe [The air side pipe, liquid side pipe must be faithfully heat insulated, if no heat insulation, it may cause water leakage.] The outdoor unit has been charged with refrigerant. When connect the pipe to the unit or dismantling the pipe from the unit, please follow the figure shown, use spanner and torque spanner together.
  • Page 49 Other instruction 1. Power supply The air conditioner must use a special power circuit. The user should provide by himself with special switch (25A~30A), grounding wire. The wiring should be done by a qualified electrician according to the wiring rules specified by national standard An creepage breaker should be installed.

  • Page 50: Exploded Views & Part Lists

    8. Exploded Views & Part Lists model: indoor unit of HDU-24H03/H HDU-28H03/H https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 51 INDOOR UNIT PART LIST OF HDU-24H03/H HDU-28H03/H Name of parts Part specialized code QTY. connection frame of inlet air 0010100506 hanging 001A13011049 boarding assy. Of liquid pipe 0010800288 evaporator brackt 1 001A13011068 bottom plate assy. 0010100502 fix slot assy. 0010100511...
  • Page 52 HDU-24H03/H HDU-28H03/H https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 53 OUTDOOR UNIT PART LIST OF HDU-24H03/H HDU-28H03/H Name of parts Part specialized code QTY. Front grille 001A1236028 handle 001A1436160 Front panel 001A0100261 Axial fan 001A5402022 Fan motor 001A3000082 Bracket for fan motor 001A0100266 Condenser assy. 001A0400119 Electric box 001A1301453 cable clamp...
  • Page 54 model: indoor unit for HDU-42H03/H https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 55 INDOOR UNIT PART LIST OF HDU-42H03/H Name of parts Part specialized code QTY. air inlet frame assy. 001A01001000 hanging 001A13011049 boarding assy. Of liquid pipe 0010800288 fix slot assy. 001A0100999 bottom plate assy. 001A01001002 air discharge framework 001A1301205 wiring clap cover plate assy.
  • Page 56 model: outdoor unit for HDU-42H03/H https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 57 OUTDOOR UNIT PART LIST OF HDU-42H03/H Name of parts Part specialized code QTY. Front grille 001A0100122 service panel assy 001A1301707 Front panel 001A1301640 Axial fan 001A5402022 Fan motor 001A3000244 Bracket for fan motor 001A0100740 Condenser assy. 001A0400173 AC contactor 001A3900161 Capacitor for fan motor 002A3600018 connection block...

This manual is also suitable for:

Hdu-28h03/hHdu-42h03/hAd242ahaaaAu242aoaaaAd282ahaaaAu282aoaaa ... Show all

Table of Contents