aircon ABSCI4H4S09 User manual

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Service Manual

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This service manual contains information for the following models:
Outdoor Units: Indoor Units:
ABSCI4H4S09 ABSEM4H4S09
ABSCI4H4S12 ABSEM4H4S12
ABSCI4H4S18 ABSEM4H4S18
ABSCI4H4S24 ABSEM4H4S24
ASRCI4H4S09 ASREM4H4S09
ASRCI4H4S12 ASREM4H4S12
ASRCI4H4S18 ASREM4H4S18
ASRCI4H4S24 ASREM4H4S24
ASPCI4H4S30 ASPEM4H4S30

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Contents
1. Safety Considerations ......................................................................................................................... 4
2. Product Specifications......................................................................................................................... 6
3. Product Picture and Drawing............................................................................................................. 14
3-1. Product Pictures ...................................................................................................................... 14
3-2. Product dimensions................................................................................................................. 21
4. Installation Instruction...................................................................................................................... 23
4-1. Installation Place and Condition .............................................................................................. 23
4-2. Electric Wiring Diagram ........................................................................................................... 26
4-3. Refrigerant Flow System.......................................................................................................... 30
4-4. Air Purging and Leakage Test ................................................................................................... 31
4-5. Test Running ........................................................................................................................... 32
5. Function Operation........................................................................................................................... 34
5-1. Operation Range (cooling and heating）.................................................................................. 34
5-2. Remote Controller Operation & Function................................................................................. 34
5-3. Special Function Fnstruction.................................................................................................... 28
6. Electrical Characteristics.................................................................................................................... 35
6-1. Print Circuit Board (Indoor & Outdoor) .................................................................................... 35
6-2. Fan Motor ............................................................................................................................... 40
6-3. Temperature Sensor................................................................................................................ 42
6-4. Compressor............................................................................................................................. 45
6-5. Electric Reactor ....................................................................................................................... 45
7.Trouble Shooting................................................................................................................................ 46

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7-1. Error Code Table...................................................................................................................... 46
7-2. Test the jumper terminals ....................................................................................................... 54
7-3. Trouble Diagnosis of Protection............................................................................................... 54
7-4. Trouble Diagnosis of Compressor............................................................................................. 56
7-5. Trouble Diagnosis of Electric Filter Board................................................................................. 56
7-6. Trouble Diagnosis of Electric Communication .......................................................................... 56
1. Safety Considerations
IMPORTANT!
Please Read Before Starting
This air conditioning system meets strict safety and operating standards. As the installer or service
person, it is an important part of your job to install or service the system, so it operates safely and
efficiently.
For safe installation and trouble-free operation, you must:
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Carefully read this instruction booklet before beginning.
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Follow each installation or repair step exactly as shown.
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Observe all local, state, and national electrical codes.
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Pay close attention to all warning and caution notices given in this manual.
This symbol refers to a hazard or unsafe practice which can result in severe
personal injury or death.
This symbol refers to a hazard or unsafe practice which can result in personal
injury or product or property damage.

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If Necessary, Get Help
These instructions are all you need for most installation sites and maintenance conditions. If you
require help for a special problem, contact our sales/service outlet or your certified dealer for
additional instructions.
In Case of Improper Installation
The manufacturer shall in no way be responsible for improper installation or maintenance service,
including failure to follow the instructions in this document.
SPECIAL PRECAUTIONS
When Wiring
ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. ONLY A
QUALIFIED, EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM.
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Do not supply power to the unit until all wiring and tubing are completed or reconnected and
checked.
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Highly dangerous electrical voltages are used in this system. Carefully refer to the wiring diagram
and these instructions when wiring. Improper connections and inadequate grounding can cause
accidental injury or death.
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Ground the unit following local electrical codes.
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Connect all wiring tightly. Loose wiring may cause overheating at connection points and a possible
fire hazard.
When Transporting
Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend
your knees when lifting to reduce strain on your back. Sharp edges or thin aluminum fins on the air
conditioner can cut your fingers.
When Installing
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In a Ceiling or Wall
Make sure the ceiling/wall is strong enough to hold the unit’s weight. It may be necessary to
construct a strong wood or metal frame to provide added support.
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In a Room