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Haier HDU-24H03/H - page 1
INSTRUCTION MANUAL No. 0010571721 DUCT TYPE AIR CONDITIONER HDU-24H03/H HDU-28H03/H HDU-42H03/H Please read this manual carefully before using ...
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Haier HDU-24H03/H - page 2
1 T ABLE OF CONTENTS OPERA TION 9-14 MALFUNCTION 15-16 CARE AND MAINTENANCE 17 FOR PREP ARA TION OF HEA TING 18 IS THE UNIT INST ALLED CORRECTL Y 19 INST ALLA TION MANUAL FOR WIRE CONTROLLER 20-21 INST ALLA TION MANUAL FOR OUTDOOR UNIT 22-26 INST ALLA TION MANUAL FOR INDOOR UNIT 27-35 SAFETY PRECAUTIONS 3-5 P AR TS AND FUNCTIONS 6-8 CAUTIONS 2 OTHE ...
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Haier HDU-24H03/H - page 3
CAUTIONS 2 All electrical ropairs must be carried out by qualified electricians. Inadequate repairs may result in a major source of danger for the user of the air conditoiner . Do not damage any parts of the air conditioner that carry refrigerant by piercing or perforating the air conditioner's tubes with sharp or pointed items, crushing or tw ...
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Haier HDU-24H03/H - page 4
SAFETY PRECA TIONS Before starting to use the system, read carefully this"SAFETY PRECAUTIONS" to ensure a proper operation of the system. Safety precautions described here are classified to " W ARNING" and " CAUTION". Precautions which are shown in the column of " W ANING" means that an improper handing could ...
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Haier HDU-24H03/H - page 5
SAFETY PRECAUTIONS 4 CAUTION Do not wash the air conditioner with water . Do not install the system where the air outlet reaches directly the flora and fauna. Make sure to use a fuse of proper electric rating. Do not operate the system while the air outlet grill is removed. It is strictly prohibited to place a container of combustible gas or liquid ...
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Haier HDU-24H03/H - page 6
SAFETY PRECAUTION 5 2. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similar qualified person. 3. If the fuse on PC board is broken please change it with the type of T . 3.15A /250V . 4. The wiring method should be in line with the local wiring standard. 1. Applicable ambient temperature range: The ...
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Haier HDU-24H03/H - page 7
P AR TS AND FUNCTIONS 6 Indoor Unit Outdoor Unit Air inlet Air outlet Compressor (Inside of unit) Connecting piping and electrical wiring Air inlet Air outlet Drain hose HDU-24H03/H HDU-28H03/H Air outlet Air inlet Duct Duct Drainpipe HDU-42H03/H ...
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Haier HDU-24H03/H - page 8
Buttons and display of the wire controller . Cautions: On cooling only unit, heating mode is not available. Note: The above information is the explanation of the displayed information therefore varies with those displayed in actual operation. 7 CLOCK Used to set correct time. TIMER Used to select TIMER ON, TIMER OFF , TIMER ON/OFF . TIME Used to se ...
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Haier HDU-24H03/H - page 9
OPERA TING LAMP P AR TS AND FUNCTIONS 8 Buttons and display of the wire controller . F AN SPEED TIMER ON Clock set When unit is started for the first time, clock should be adjusted as follows: Press CLOCK button, "AM"or "PM" flashes. Press or to set correct time. Each press will increase or decrease 1min. If the button is kept d ...
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Haier HDU-24H03/H - page 10
MODE F AN SWING TEMP CLOCK SET TIMER SLEEP RESET FIL TER RESET ON/OFF 1 4 3 2 AM ROOM OPERA TION 9 Fan operation Enjoy yourself by just a gentle press. (1) Unit start (2) Select operation mode (3) Fan Press ON/OFF button, unit starts. Previous operation status appears on display . (Not T imer setting) Power indicator lights up. Press MODE button. F ...
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Haier HDU-24H03/H - page 11
AUTO RUN, COOL,HEA T and DR Y operation Use COOL in summer . Use HEA T in winter . Use DR Y in spring,autumn and in damp climate. (1) Unit start (2) Select operation mode (3) Select temp. setting Press ON/OFF button, unit starts. Previous operation status appears on display (Not T imer setting). Power indicator lights up. Press MODE button. For eac ...
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Haier HDU-24H03/H - page 12
ON MODE F AN SWING TEMP CLOCK SET TIMER SLEEP RESET FIL TER RESET ON/OFF AM AM 1 2 4 3 SET OPERA TION 1 1 TIMER operation Hints Set Clock correctly before starting T imer operation. Y ou 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. Operatio ...
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Haier HDU-24H03/H - page 13
ON OFF MODE F AN SWING TEMP CLOCK SET TIMER SLEEP RESET FIL TER RESET ON/OFF PM AM 1 5 6 4 2 3 SET blank ON OFF ON OFF OPERA TION 12 TIMER ON-OFF Operation mode will be displayed on LCD. Power indicator lights up. Every time the button is pressed, display changes as follows: Select . (3)T ime setting for TIMER ON Press TIME button. (5)T ime setting ...
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Haier HDU-24H03/H - page 14
OPERA TION about 6 hrs 1 hr 1 hr increase 1 C increase 1 C 13 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. One hour after sleeping operation start, the temp. is 1 C higher than the setting one. After another ...
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Haier HDU-24H03/H - page 15
14 OPERA TION Power Failure Compensation (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. Setting Method: When the wire controller is on (excluding timer mode and fa ...
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Haier HDU-24H03/H - page 16
15 please check the following things about your air conditioner before making a servie call. Unit fails to start MALFUNCTION ON OFF Is the power source switch adjust cut in? Is city supply power in normal? Power stoppage? Isn't the signal receiving section exposed to the direct sunlight or str ong illumination? Isn't the earth leakage bre ...
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Haier HDU-24H03/H - page 17
16 MALFUNCTION The followings are not malfunction Shuru Shuru When the air conditioner is started, when the compressor starts or stops during operation or when the air conditioner is stopped, it sometimes sounds "shuru shuru" or "gobo gobo". It is the flowing sound of the refrigerant, and it is not a trouble. W ater flowing soun ...
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Haier HDU-24H03/H - page 18
17 CARE AND MAINTENANCE Points to observe T urn off the power supply switch. Do not touch with wet hand. Do not use hot water or volatileliquid. ON OFF Thinner Do not use! Benzine T ooth powder Cleaning 1. Clean the air filter by lightly tapping it or with the cleaner . It is more effective to clean the air filter with water . If the air filter is ...
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Haier HDU-24H03/H - page 19
18 FOR PREP ARA TION OF HEA TING("HOT KEEP") "HOT KEEP"is operated in the following cases. When heating is started: In order to prevent blowing out of cool wind, the indoor unit fan stopped according to the room temperature which heating operation is started. W ait for approx. 2 to 3 minute, and the operation will be automatical ...
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Haier HDU-24H03/H - page 20
19 IS THE UNIT INST ALLED CORRECTL Y For inspection and maintenance When you change your addr ess or the installation place Electric 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 A void installing th ...
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Haier HDU-24H03/H - page 21
INST ALLA TION MANUAL FOR WIRE CONTROLLER 20 1. Remove upper part of wir e controller Remove upper part of wire controller by press. 2. Install wire contr oller (1) For exposed installation, use 2 wood screws (accessory). (2) For recessed installation, use 2 wood screws (accessory). Note T ry as far as possible a flat surface for installation. Don& ...
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Haier HDU-24H03/H - page 22
INST ALLA TION MANUAL FOR WIRE CONTROLLER 21 3. Indoor unit wiring Connect terminals (A,B,C,D) on lower part of wire controller to terminals (A,B,C,D) on PCB of indoor unit. Hint When make wiring, please keep a distance between wires and power supply cord. Hint T read surface of the terminal well so that shielding may not contact other part. Cord k ...
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Haier HDU-24H03/H - page 23
INST ALLA TION MANUAL FOR OUTDOOR UNIT 22 Edging (2) Installation where the ar ea with strong winds. Install the unit so that the air outlet section of the unit must NOT be faced toward wind direction. (1) Open space requir ement around the unit 2. Selection of the place of installation 1. Accessories "Edging" for protection of electric w ...
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Haier HDU-24H03/H - page 24
INST ALLA TION MANUAL FOR OUTDOOR UNIT 23 Open Hexagon wrench (attachment) (1) Outline piping 4. Refrigerant piping (2) Piping size (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 ). V ertical height difference: Less than 15m ...
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Haier HDU-24H03/H - page 25
INST ALLA TION MANUAL FOR OUTDOOR UNIT 24 (6) Additional charge of refrigerant Outdoor unit is precharged at a factory for the piping length up to 5m. Additional char ge is not required up to 5m. Notes (i) Basic refrigerant charge amount means refrigerant amount when refrigerant piping length is 5m. (ii) When the refrigerant piping length exceeds t ...
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Haier HDU-24H03/H - page 26
30mA INST ALLA TION MANUAL FOR OUTDOOR UNIT 25 5. Electric wiring W ARNING DANGER OF BODIL Y INJUR Y OR DEA TH TURN OFF ELECTRIC POWER A T CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING LINE VOL T AGE CONNECTIONS. (1) Selection of size of power supply and interconnecting wi ...
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Haier HDU-24H03/H - page 27
INST ALLA TION MANUAL FOR OUTDOOR UNIT 26 (2) Wiring connection 6. T est run W ARNING Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by * and * terminals. DO NOT CONNECT THE NEUTRAL WIRE TO , OR PHASE. INTERCONNECT- ING WIRES MUST BE WIRED WITH SAME SYMBOLS ON THE TERMINALS OF BOTH INDOOR AND OUTD ...
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Haier HDU-24H03/H - page 28
INST ALLA TION MANUAL FOR INDOOR UNIT 26 Safety precautions W ARNING Please read these "Safety Precautions" first then accurately execute the installation work. Though the precautionary points indicated herein are divided under two headings, and , those points which are related to the strong possibility of an installation done in error re ...
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Haier HDU-24H03/H - page 29
INST ALLA TION MANUAL FOR INDOOR UNIT 28 1. Before installation [Befor e finishing installation, do not thr ow the attached parts installation needs] NOTICE All Wiring of this installation must comply with NA TIONAL, ST A TE AND LOCAL REGULA TIONS . These instructions do not cover all variations for every kind of installation circumstance. Should f ...
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Haier HDU-24H03/H - page 30
INST ALLA TION MANUAL FOR INDOOR UNIT 29 (1) The position r elation among hoisting screw (unit: mm) (3) Hanger bolts installation Use care of the piping direction when the unit is installed. Hanging bolt M10 Hole-in anchor Hole-in plug Insert Concrete HDU-24H03/H HDU-28H03/H 360 890 250 794 600 750 Down side Up side HDU-42H03/H 360 1270 250 794 853 ...
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Haier HDU-24H03/H - page 31
INST ALLA TION MANUAL FOR INDOOR UNIT 30 4. Installation of indoor unit 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. When the dimensions of main unit and ceiling holes does not match, it can be adjusted with the slot holes of h ...
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Haier HDU-24H03/H - page 32
31 Drainage T est Conduct a drainage test after completion of the electrical work. During the trial, make sure that drain flows properly through the piping and that no water leaks from connections. In case of a new building, conduct the test before it is furnished with the ceiling. Be sure to conduct this test even when the unit is installed in the ...
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Haier HDU-24H03/H - page 33
32 INST ALLA TION MANUAL FOR INDOOR UNIT The calculation of duct resistance (the simple calculation is as follow table) Straight part Bend part Air out part Static pressure box Air inlet grille (with air filter) Calculate as per 1m length 1Pa, 1Pa/m Each bend takes as a3~4m long straight duct Calculate as 25Pa Calculate as 50Pa/each Calculate as 40 ...
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Haier HDU-24H03/H - page 34
INST ALLA TION MANUAL FOR INDOOR UNIT 33 8. The attentive matters in installation of air suction and discharging duct Recommend to use anti-frost and sound-absorbing duct. (locally bought) The duct installation work should be finished before the fitment of ceiling. The duct must be heat insulated. The specific air-dischar ging outlet should be inst ...
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Haier HDU-24H03/H - page 35
10. The operation method of fan contr oller 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. Figure I shows the posi ...
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Haier HDU-24H03/H - page 36
INST ALLA TION MANUAL FOR INDOOR UNIT 1 1. 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 spann ...
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Haier HDU-24H03/H - page 37
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