Chigo ACS-HR12LED R410A User manual

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Service
Service
Service
Service manual
manual
manual
manual for
for
for
for Split
Split
Split
Split Wall-Mounted
Wall-Mounted
Wall-Mounted
Wall-Mounted Type
Type
Type
Type Room
Room
Room
Room air
air
air
air conditioner
conditioner
conditioner
conditioner
Applied
Applied
Applied
Applied to:
to:
to:
to: R410a
R410a
R410a
R410a
ACS-HR12LED
ACS-HR12LED
ACS-HR12LED
ACS-HR12LED R410A
R410A
R410A
R410A
NOTE:
NOTE:
NOTE:
NOTE:
Be sure to read the manual firstly before servicing the units 。Please contacts
with your service center at any time if meet problem 。

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Contents
Contents
Contents
Contents
1、Summary ………………………………………………………………………………………………………… 0 3
2、Model explaining …………………………………………………………………………………………… 0 4
3、Installation ……………………………………………………………………………………………………… 0 5
4、Exploded view and part list ……………………………………………………………………… 20
5、Operation principle ……………………………………………………………………………………… 22
6、Parameter ………………………………………………………………………………………………………… 42
7、PCB function ………………………………………………………………………… ...... 47
8、Troubleshooting …………………………………………………………………………… 58

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1.
1.
1.
1. Summary
Summary
Summary
Summary
1.1
1.1
1.1
1.1
indoor
indoor
indoor
indoor unit
unit
unit
unit
M
M
M
M odel
odel
odel
odel 81
81
81
81
1.2
1.2
1.2
1.2
outdoor
outdoor
outdoor
outdoor unit
unit
unit
unit
ACS-HR12LED R410A
1.3
1.3
1.3
1.3 remote
remote
remote
remote controller
controller
controller
controller

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2
2
2
2、Model
Model
Model
Model explaining
explaining
explaining
explaining
c
Improve an ordinal number
Divide the body outdoors box a body code
External appearance characteristic code
Separately the body indoor machine ( or whole type ) style code
Code of refrigerant type ： no code - R 22 ；C - R 407 c、A - R 410 a
Power type ：1 : 115 v / 60 Hz 2 : 220 V / 60 Hz ；3 : 220 - 240 V /
50 Hz ；4 : 2 4 0 V / 50 Hz ；
Main function code : c - Cold breeze type ; H - Hot pump type ; A - Hot
pump the type take assistance electricity to heat ; E - The electricity
heat
Capacity code : x 1000 W
Separately the body pit code inside the indoor machine ( or whole
type )
Structure form code
Special craft code : Q - Deal with contact quickly ; S - Soft start ; d -
Outside tube in addition to frost
The weather type code ( T 1 type code abridge )
" C " CHIGO brand
M
M
M
M odel
odel
odel
odel ：CS-25C3A-V85AY1
T1 climate type,wall split type air conditioner , cooling capacity is 2500W ，power is 220V ～
/50Hz/1PH ， refrigeration is R410A,the kernel of indoor unit is fresh 98 ， the pattern no. is 85 ， first ti me
design, outdoor unit is 1HP of 2003 year 。
Indoor unit modle is ：CS-25C3A-V85A ，outdoor unit model is ：CS-25C3A-Y1 。
3.
3.
3.
3. Attention
Attention
Attention
Attention of
of
of
of installation
installation
installation
installation
3.1
3.1
3.1
3.1 Safety
Safety
Safety
Safety Precaution
Precaution
Precaution
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.
3.2
3.2
3.2
3.2 Warning
Warning
Warning
Warning
﹥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.

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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.
■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 windows 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 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

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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.
﹥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.
To avoid water leakage from vibration 。
■Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods.
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.
>
>
>
>Operation
Operation
Operation
Operation <
<
<
<
■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 pr put anything on the product. (outdoor units)
There is risk of personal injury and failure of product.

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■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 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.
3.3
3.3
3.3
3.3 Installation
Installation
Installation
Installation details
details
details
details
■Wrench torque sheet for installation
■Connecting the cables
The power cord of connect should be selected according to the following specifications
sheet.
■Pipe length and the elevation
Outside diameter
Torque
mm
inch
Kg.m
φ 6.35
1/4
1.8
φ 9.52
3/8
4.2
φ 12.7
1/2
5.5
φ 15.88
5/8
6.6
φ 19.05
3/4
6.6
Grade
Unit
7K
9K
12K
18K
24K
28K
mm2
1.0
1.0
1.5
2.5
2.5
2.5
Capaci
ty
Pipe size
Standard
length
Max.
Max.
Addition
al
(m)
Elevation
Elevation
refrigera
nt
Btu/h
GAS
LIQUID
B (m)
A (m)
(g/m)
9K-
12K
3/8 ’’
( φ 9.52)
1/4 ’’
( φ 6.35)
3.5
5
1 5
30
18K-
22K
1/2 ’’
( φ 12.7)
1/4 ’’
( φ 6.35)
4
5
1 5
30
24K-
28K
5/8 ’’
( φ 15.88)
3/8 ’’
( φ 9.52)
5
5
1 5
65

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Caution:
Caution:
Caution:
Caution: Capacity is base on standard length and maximum allowance length is base of reliability
.Oil trap should be installed per 5-7 meters.

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Selection
Selection
Selection
Selection of
of
of
of installation
installation
installation
installation positions
positions
positions
positions for
for
for
for outdoor
outdoor
outdoor
outdoor unit
unit
unit
unit
�To install the outdoor unit at the places which can stand the load of the machine weight and will
not cause big vibrations and noises;
�To install the unit at the places not to be exposed to rain or direct sunshine, and the places with
good ventilation;
�The noises generated from the unit will not affect the neighboring places;
�Do not install the unit on non-metal frame;
�Not to install the unit at the places where there might occur the generation, inflow, stay or
leakage of inflammable gases;
�Pay attention to the drainage of the condensed water from the base plate during operations;
�To avoid the air outlet being directly against the wind.
Detailed
Detailed
Detailed
Detailed space
space
space
space requirements
requirements
requirements
requirements around
around
around
around the
the
the
the outdoor
outdoor
outdoor
outdoor unit
unit
unit
unit

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*Installation
*Installation
*Installation
*Installation Guide*
Guide*
Guide*
Guide*

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4
4
4
4、Indoor
Indoor
Indoor
Indoor unit
unit
unit
unit and
and
and
and outdoor
outdoor
outdoor
outdoor unit
unit
unit
unit explosion
explosion
explosion
explosion diagram
diagram
diagram
diagram and
and
and
and spare
spare
spare
spare parts
parts
parts
parts
list(see
list(see
list(see
list(see explosion
explosion
explosion
explosion diagram
diagram
diagram
diagram file)
file)
file)
file)
5.
5.
5.
5. Refrigerant
Refrigerant
Refrigerant
Refrigerant cycle
cycle
cycle
cycle diagram
diagram
diagram
diagram

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5.1 Cooling only
5.2 Heat pump mode
6.
6.
6.
6. Model
Model
Model
Model Parameter.
Parameter.
Parameter.
Parameter.
Note: Net/Gross weigh t（the weight will change according to technology, configuration and customer
requirements. so the data is only for reference. T he actual weight comes from the product nameplate ）.