Comfort Star BAR4 User manual

SPLIT AIR CONDITIONERS
Seice Manual
Comfo Sta 恁）
BAR4&LUC4
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CONTENT
Part 1. G eneral Inform ation .......................................................................................................... 1
1. Nomenclature ...................................................................................................................2
2. Model Names of Indoor/Outdoor Units ........................................................................ 2
4. Features ............................................................................................................................ 4
P art 2. Indoor U nit .............................................................................................................................1
1. Features.........................................................................................................................2
2. Dimension......................................................................................................................4
3.Service Space ..............................................................................................................5
4.Wiring Diagrams......................................................................................................... .7
5.Electric Characteristics................................................................................................ ..8
6.Electrical Wiring.............................................................................................................. 8
7.Field Wiring..................................................................................................................... .8
P art 3 O utdoor U nit ..........................................................................................................................1
2.Service Space ......................................................................................................................3
3.Wiring Diagrams..............................................................................................................4
4.Electric Characteristics.................................................................................................. 5
5.Operation Limits.............................................................................................................. 6
6.Sound Levels...................................................................................................................6
7.Refrigerate diagram........................................................................................................7
P art 4 Installation ..............................................................................................................................1
1. Precaution on Installation............................................................................................ .2
2. Emptying...........................................................................................................................4
3. Additional Refrigerant Charge .......................................................................................4
4. Insulation Work................................................................................................................5
P art 5 U nit m aintenance .................................................................................................................1
1. Fault indicator of indoor unit...........................................................................................2
2. Fault indicator of outdoor unit.........................................................................................2
3. Troubleshooting of Fault Codes....................................................................................3
3.External Appearance........................................................................................3
1.Dimension...... .....................................................................................................................2

Part 1. General Information
1.Nomenclature..........................................................................2
2.Model names of Indoor/Outdoor unit............................. 2
3.External Appearance....................................................3
4.Features......................................................................4

eGeneral Information 2f
1. Nomenclature
1.1 Indoor unit
1.2 Outdoor unit
2. Model Names of Indoor/Outdoor Units
2.1 Indoor Units
Model name Dimension(W×H×D)(inch) Power supply
15 SEER Cooling Only & Heat Pump
LUC4-18-15 19-2/3×45-3/4×22 208/230V-1Ph-60Hz
LUC4-24-15 19-2/3×45-3/4×22 208/230V-1Ph-60Hz
LUC4-30-15 19-2/3×45-3/4×22 208/230V-1Ph-60Hz
LUC4-36-15 19-2/3×45-3/4×22 208/230V-1Ph-60Hz
LUC4-42-15 19-2/3×45-3/4×22 208/230V-1Ph-60Hz
LUC4-48-15 22×53-1/8×24-1/2 208/230V-1Ph-60Hz
LUC4-60-15 22×53-1/8×24-1/2 208/230V-1Ph-60Hz
2.2 Outdoor Units
Scroll Compressor Series
Model name Dimension (W×H×D) (inch) Power supply
15 SEER Cooling Only & Heat Pum p
BAR4-18-15 21-4/5x25x21-4/5 208/230V-1Ph-60Hz
BAR4-24-15 21-4/5x25x21-4/5 208/230V-1Ph-60Hz
BAR4-30-15 29-1/7x25x29-1/7 208/230V-1Ph-60Hz
BAR4-36-15 29-1/7x25x29-1/7 208/230V-1Ph-60Hz
BAR4-42-15 29-1/7x32-7/8x29-1/7 208/230V-1Ph-60Hz
BAR4-48-15 29-1/7x32-7/8x29-1/7 208/230V-1Ph-60Hz
BAR4-60-15 29-1/7x32-7/8x29-1/7 208/230V-1Ph-60Hz

eGeneral Information 3f
3. External Appearance
3.1 Indoor unit
3.2 Outdoor unit
Note: Standard outdoor unit is using plastic grill. Metal grill can be customized.

eGeneral Information 4f
4. Features
4.1 Operation features
Long Piping & Cost Effective
Low noise operation, as low as 42dB(A)
24V control, time delay relay, fan relay and transformer included.
4.2 Performance features
AHRI Certified & ETL listed.
R410A environment friendly refrigerant.
Wide operation temperature range：Cooling: 65⁰F-115⁰F; Heating: 5⁰F-86⁰F
Continuous Cooling Transformation Inner-grooved tube has high thermometric
conductivity.
4.3 Reliability features
Painted galvanized steel cabinet.
Well-known brand scroll & rotary compressor, reliable quality.
Condenser coils constructed with copper tubing and enhanced aluminum fins.
3-speed DC motors, provide selections of air flow to meet desired applications.
Intelligent defrost programs, unit will choose different defrost program according to real
condition.

Part 2. Indoor Unit
1.Features ..............................................................................................2
2.Dimension......................................................................................... ..4
3.Service Space .....................................................................................5
4.Wiring Diagrams ..................................................................................7
5.Electric Characteristics ........................................................................8
6.The Specification of Wiring ..................................................................8
7.Field Wiring....................................................................................... ..8

eIndoor Unit 2f
1. Features
(1) “A” shape coils, constructed with copper tubing and enhanced aluminum fins.
(2) ECM motors, the air handler has multiple fan modes to choose from, which can flexibly
respond to various environments.
(3) φ12″large fan blade that has powerful fan speed, and the motor is covered with insulation
material, which can ensure that the motor runs in a safe state.
(4) Use Piston as throttle device
(5) Optional air filter (Optional)
Detachable air filter for cleaning or renewal, designed to provide fresh and healthy air
indoors.

eIndoor Unit 3f
(6) Electric Heating with Different Power (Optional)
SPEC. For 15 SEER AHU Electrical Heater
SPEC. Part No. Model
5kw 8024325A0001
18/24/30/36/42/48/60 K7.5 kw 8024325A0002
10 kw 8024325A0003
15 kw 8024325A0004 36/42/48/60 K
20 kw 8024325A0005 48/60 K
(7) Multi-position installation (Optional)
Versatile 4-way convertible design for vertical up airflow, vertical down airflow*, horizontal left
airflow* and horizontal right airflow.
*: Vertical down airflow and Horizontal left airflow are optional.

eIndoor Unit 4f
2.Dimension

eIndoor Unit 5f
3.Service Space
The indoor unit should be installed in a location that meets the following requirements:
INSTALLATION NOTES:
1. For vertical upward airflow (Standard), the position and dimension of rubber plugs and traps
of drain pipes are as follows:
2. The vertical upward airflow position can be converted into the vertical downward airflow
position(Optional). Remove the coil (evaporator) access panel and coil, and reinstall it by
rotating 180 ° from the original position. The position and dimension of seal plugs of drain
pipes are as follows:

eIndoor Unit 6 f
3. For horizontal right airflow (Standard), the position and dimension of seal plugs of drain
pipes are as follows:
4. For horizontal left airflow (Optional), the position and dimension of seal plugs of drain pipes
are as follows:
# Remark: Please refer to the installation manual for more installation information.
5. The seal-plugs are supplied as accessories and be screwed tightly only with hand.

eIndoor Unit 7f
4.W iring Diagram s
18K /24K /30K /36K /42K /48K /60K

eIndoor Unit 8f
5.Electric Characteristics
6.Electrical W iring
Note:
The diameters of wires or lines should not be less than the corresponding ones listed in the
table below; Besides, if the power wires is quite long from the unit, please choose the winding
with larger cross-section area to guarantee the normal power supply.
7.Field W iring
1. To avoid the electrical shock, please connect the air conditioner with the ground lug.
The main power plug in the unit has been joined with the ground wiring, please don't change it
freely.
2. The power socket is used as the air conditioner specially.
3. Don't pull the power wiring hard.
4. When connecting the air conditioner with the ground, observe the local codes.
5. If necessary, use the power fuse or the circuit, breaker or the corresponding scale
ampere.
# Remark: Please refer to the installation manual for more different kinds of wiring information.

Part 3 Outdoor Unit
1.Dimensions ...................................................................................... 2
2.Service Space .................................................................................. 3
3.Wiring Diagrams ...............................................................................4
4.Electric Characteristics .....................................................................5
5.Operation Limits ............................................................................... 6
6.Sound Levels ................................................................................... 6
7.Refrigerate diagram ......................................................................... 7

eOutdoor Unit 2f
1.Dimension
When installing the outdoor unit on the roof, make sure that the roof can support the weight of
the outdoor unit. It is recommended to choose appropriate isolation to prevent sound or
vibration from being transmitted to the building structure.

eOutdoor Unit 3f
2. Service Space
1. Make sure that the discharge area at least 60 inches above the top of the unit is
unrestricted.
2. The clearance from one side of the access panel to the wall should be at least 24 inches.
3. Except for access panel, please leave a min 12” from shrubbery around other side panels.

eOutdoor Unit 4f
3. W iring Diagram s
Cooling only

eOutdoor Unit 5f
4.Electric Characteristics
Model
Outdoor Unit (Scroll)
Hz Voltage Min. Max. MIN. Circuit
Ampacity Maxi Fuse
BAR4-18-15
60 208/230V 187V 253V
13 20
BAR4-24-15 13 20
BAR4-30-15 15 25
BAR4-36-15 20 30
BAR4-42-15 25 40
BAR4-48-15 30 45
BAR4-60-15 33 50