Vivax ACP-09CH25AEI, ACP-12CH35AEI, ACP-18CH50AEI, ACP-12CH35AECI, ACP-24CH70AEI Service Manual
ACP-09CH25AEI
ACP-12CH35AEI
ACP-18CH50AEI
ACP-24CH70AEI
ACP-12CH35AECI
Service
manual
ENG
RoHS
NNO-1/09
CONTENTS
1. Precaution..............................................................................................................................................1
1.1 Safety Precaution..........................................................................................................................1
1.2 Warning.........................................................................................................................................1
2. Function..................................................................................................................................................6
3. Dimension...............................................................................................................................................9
3.1 Indoor Units...................................................................................................................................9
3.2 Outdoor Units..............................................................................................................................11
4. Refrigerant Cycle Diagram...................................................................................................................12
5. Wiring Diagram.....................................................................................................................................13
5.1 Indoor Units.................................................................................................................................13
5.2 Outdoor Units..............................................................................................................................14
6. Installation details................................................................................................................................19
6.1 Wrench torque sheet for installation...........................................................................................19
6.2 Connecting the cables.................................................................................................................19
6.3 Pipe length and the elevation......................................................................................................20
6.4 Indoor units installation................................................................................................................21
6.5 Outdoor units installation.............................................................................................................22
6.6 Electrical work.............................................................................................................................23
6.7 Air purging with vacuum pump....................................................................................................24
6.8 Pumping down (Re-installation)..................................................................................................25
6.9 Re-air purging (Re-installation)...................................................................................................26
6.10 Balance refrigerant of the 2-way, 3-way valves........................................................................27
6.11 Evacuation.................................................................................................................................28
6.12 Gas charging.............................................................................................................................29
7. Operation characteristics....................................................................................................................30
8. Electronic function...............................................................................................................................31
8.1 Abbreviation.................................................................................................................................31
8.2 Display function...........................................................................................................................31
8.3 Main Protection...........................................................................................................................31
8.4 Operation Modes and Functions.................................................................................................31
9. Troubleshooting...................................................................................................................................44
9.1 Indoor unit error display..............................................................................................................44
9.2 Diagnosis and Solution..............................................................................................................44
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1
1. Precaution
1.1 Safety Precaution
To prevent injury to the user or other people and property damage, the following instructions
must be followed.
Incorrect operation due to ignoring instruction will cause harm or damage.
Before service unit, be sure to read this service manual at first.
1.2 Warning
Ø Installation
Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit.
There is risk of fire or electric shock.
For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized service
center.
Do not disassemble or repair the product, there is risk of fire or electric shock.
Always ground the product.
There is risk of fire or electric shock.
Install the panel and the cover of control box securely.
There is risk of fire of electric shock.
Always install a dedicated circuit and breaker.
Improper wiring or installation may cause fore or electric shock.
Use the correctly rated breaker of fuse.
There is risk of fire or electric shock.
Do not modify or extend the power cable.
There is risk of fire or electric shock.
Do not install, remove, or reinstall the unit by yourself(customer).
There is risk of fire, electric shock, explosion, or injury.
Be caution when unpacking and installing the product.
Sharp edges could cause injury, be especially careful of the case edges and the fins on the
condenser and evaporator.
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For installation, always contact the dealer or an Authorized service center.
There is risk of fire, electric shock, explosion, or injury.
Do not install the product on a defective installation stand.
It may cause injury, accident, or damage to the product.
Be sure the installation area does not deteriorate with age.
If the base collapses, the air conditioner could fall with it, causing property damage, product failure,
and personal injury.
Do not let the air conditioner run for a long time when the humidity is very high and a door or a
window is left open.
Moisture may condense and wet or damage furniture.
Take care to ensure that power cable could not be pulled out or damaged during operation.
There is risk of fire or electric shock.
Do not place anything on the power cable.
There is risk of fire or electric shock.
Do not plug or unplug the power supply plug during operation.
There is risk of fire or electric shock.
Do not touch (operation) the product with wet hands.
There is risk of fire or electric shock.
Do not place a heater or other appliance near the power cable.
There is risk of fire and electric shock.
Do not allow water to run into electric parts.
It may cause fire, failure of the product, or electric shock.
Do not store or use flammable gas or combustible near the product.
There is risk of fire or failure of product.
Do not use the product in a tightly closed space for a long time.
Oxygen deficiency could occur.
When flammable gas leaks, turn off the gas and open a window for ventilation before turn the
product on.
Do not use the telephone or turn switches on or off.
There is risk of explosion or fire.
If strange sounds, or small or smoke comes from product. Turn the breaker off or disconnect the
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power supply cable.
There is risk of electric shock or fire.
Stop operation and close the window in storm or hurricane. If possible, remove the product from
the window before the hurricane arrives.
There is risk of property damage, failure of product, or electric shock.
Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if
the unit is so equipped.)
There is risk of physical injury, electric shock, or product failure.
When the product is soaked (flooded or submerged), contact an Authorized service center.
There is risk of fire or electric shock.
Be caution that water could not enter the product.
There is risk of fire, electric shock, or product damage.
Ventilate the product from time to time when operating it together with a stove, etc.
There is risk of fire or electric shock.
Turn the main power off when cleaning or maintaining the product.
There is risk of electric shock.
When the product is not be used for a long time, disconnect the power supply plug or turn off the
breaker.
There is risk of product damage or failure, or unintended operation.
Take care to ensure that nobody could step on or fall onto the outdoor unit.
This could result in personal injury and product damage.
Ø CAUTION
Always check for gas (refrigerant) leakage after installation or repair of product.
Low refrigerant levels may cause failure of product.
Install the drain hose to ensure that water is drained away properly.
A bad connection may cause water leakage.
Keep level even when installing the product.
It can avoid vibration of water leakage.
Do not install the product where the noise or hot air from the outdoor unit could damage the
neighborhoods.
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It may cause a problem for your neighbors.
Use two or more people to lift and transport the product.
Avoid personal injury.
Do not install the product where it will be exposed to sea wind (salt spray) directly.
It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins,
could cause product malfunction or inefficient operation.
Ø Operational
Do not expose the skin directly to cool air for long periods of time. (Do not sit in the draft).
This could harm to your health.
Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a
consumer air conditioner, not a precision refrigerant system.
There is risk of damage or loss of property.
Do not block the inlet or outlet of air flow.
It may cause product failure.
Use a soft cloth to clean. Do not use harsh detergents, solvents, etc.
There is risk of fire, electric shock, or damage to the plastic parts of the product.
Do not touch the metal parts of the product when removing the air filter. They are very sharp.
There is risk of personal injury.
Do not step on or put anything on the product. (outdoor units)
There is risk of personal injury and failure of product.
Always insert the filter securely. Clean the filter every two weeks or more often if necessary.
A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or
damage.
Do not insert hands or other object through air inlet or outlet while the product is operated.
There are sharp and moving parts that could cause personal injury.
Do not drink the water drained from the product.
It is not sanitary could cause serious health issues.
Use a firm stool or ladder when cleaning or maintaining the product.
Be careful and avoid personal injury.
Replace the all batteries in the remote control with new ones of the same type. Do not mix old
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and mew batteries or different types of batteries.
There is risk of fire or explosion.
Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire.
They may burn of explode.
If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do not
use the remote of the batteries have leaked.
The chemical in batteries could cause burns or other health hazards
The designs, and information in this book are subject to change without notice for product improvement
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2. Function
Model Names of Indoor/Outdoor Units
Series Capacity Indoor units Outdoor units
ACP-09CH25AEI
9k
ACP-12CH35AEI
ACP-12CH35AECI
12k
ACP-18CH50AEI
18k
Inverter
24k
ACP-24CH70AEI
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The function is usually used in rainy
days in springtime or damp areas.
The unit will decide the louver direction
according to operation mode.
Turbo wind, high, med, low, breeze.
Prevent the water being fr
ozen
on evaporator by
checking the evaporator pipe temperature
Indoor unit
Operation by remote controller
Anti-freezing control in cooling mode
Time Delay Safety control
Indoor fan speed control
Two-direction air vane
Sleep mode auto control
Independent dehumidification
Air flow Direction control
Flexible wiring connection
Auto defrost
Anti-cold function
Self-diag. function
Auto-restart
Prevent the cold wind at the
beginning of unit start.
Golden fin (Optional)
Ionizer(Optional)
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It protects the valves and prevents water from dripping.
Outdoor unit
Power relay control
The hydrophilic fin
can improve the heating efficiency at operation mode.
Hydrophilic aluminum fin
It is only operated in the heating operation mode except defrosting operation.
Valve protection cover
4 way valve control
Made from electrolytic zinc steel sheet and anti
-
rust coated components.
Low noise air flow system
Anti-rust cabinet
Driving heating at -15℃
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3. Dimension
3.1 Indoor Units
For ACP-09CH25AEI, ACP-12CH35AEI, ACP-12CH35AECI models
10
For ACP-18CH50AEI model
For ACP-24CH70AEI model
Model W H D
ACP-09CH25AEI
ACP-12CH35AEI
ACP-12CH35AECI
ACP-18CH50AEI
790
275
190
ACP-24CH70AEI
1030 313 221
940
275
198
11
3.2 Outdoor Units
The above outdoor unit dimension sketch is only used for reference.
Model W H D B C F
ACP-09CH25AEI 700 535 235 458 250 60
ACP-09CH25AEI
ACP-12CH35AEI
670 540 250 484 275 45
ACP-09CH25AEI
ACP-12CH35AECI
ACP-18CH50AEI
760 590 285 530 290 63
ACP-24CH70AEI 845 695 335 560 335 73
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4. Refrigerant Cycle Diagram
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5. Wiring Diagram
5.1 Indoor Units
ACP-09CH25AEI
ACP-12CH35AEI, ACP-12CH35AECI
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ACP-18CH50AEI
ACP-24CH70AEI
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