MSC-18HRIN1
Content
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MSC-18HRIN1; MSH-18HRIN1
MSE-09HRIN2; MSE-12HRIN2
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Content
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Content
1. Precaution...........................................................................................................................1
1.1 Safety Precaution.................................................................................................................................1
1.2 Warning.................................................................................................................................................1
2. Function..............................................................................................................................3
3. Dimension...........................................................................................................................5
3.1 Indoor unit（Alfa） ...............................................................................................................................5
3.2 Outdoor unit（Alfa） ............................................................................................................................5
3.3 Indoor unit（Corona）..........................................................................................................................6
3.4 Outdoor unit（Corona）.......................................................................................................................6
3.5 Indoor unit(Inverter Eco).......................................................................................................................7
3.6 Outdoor unit(Inverter Eco)....................................................................................................................7
3.7 Indoor unit(Inverter Star).......................................................................................................................8
3.8 Outdoor unit(Inverter Star)....................................................................................................................9
4. Specification.....................................................................................................................10
5. Refrigerant cycle diagram...............................................................................................12
6. Operation limits................................................................................................................13
6.1 Cooling operation...............................................................................................................................13
6.2 Heating operation...............................................................................................................................13
7. Schematic diagram and Wiring diagram........................................................................14
7.1. Schematic diagram.............................................................................................................................14
7.2. Wiring diagram....................................................................................................................................18
8. Installation details............................................................................................................23
8.1 Wrench torque sheet for installation...................................................................................................23
8.2 Connecting the cables........................................................................................................................23
8.3 Pipe length and the elevation.............................................................................................................23
8.4 Air purging of the piping and indoor unit............................................................................................24
8.5 Pumping down (Re-installation).........................................................................................................25
8.6 Re-air purging (Re-installation)..........................................................................................................26
8.7 Balance refrigerant of the 2-way, 3-way valves..................................................................................27
8.8 Evacuation..........................................................................................................................................28
8.9 Gas charging......................................................................................................................................29
9. Pressure table...................................................................................................................30
9.1 MSH-18HRIN1....................................................................................................................................30
9.2 MSC-18HRIN1....................................................................................................................................30
10. Capacity table...................................................................................................................31
10.1 MSH-18HRIN1....................................................................................................................................31
10.2 MSC-18HRIN1....................................................................................................................................32
10.3 MSG-09HRI........................................................................................................................................33
10.4 MSG-12HRI........................................................................................................................................33
10.5 MSG-21HRI........................................................................................................................................34
10.6 MSG-24HRI........................................................................................................................................34
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Content
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11. Electronic function...........................................................................................................35
11.1. Display board......................................................................................................................................35
11.2. Protection............................................................................................................................................35
11.3. Fan-only mode....................................................................................................................................35
11.4. Cooling mode......................................................................................................................................35
11.5. Dehumidifying mode...........................................................................................................................36
11.6. Heating mode.....................................................................................................................................36
11.7. Defrosting operation (Available for heating only)...............................................................................38
11.8. Outdoor low temperature protection (optional)...................................................................................38
11.9. Automatic operation mode.................................................................................................................38
11.10. Manual switch.....................................................................................................................................39
11.11. Timer Function....................................................................................................................................39
11.12. Sleep mode.........................................................................................................................................39
11.13. Auto restart function...........................................................................................................................39
11.14. Turbo function.....................................................................................................................................39
11.15. Plasma................................................................................................................................................39
12. Model and Parameters.....................................................................................................40
13. Troubleshooting...............................................................................................................42
13.1 Indoor Unit Error Display....................................................................................................................42
13.2 Diagnostic chart..................................................................................................................................47
13.3 Resetting phenomenon often occurs during operation......................................................................48
13.4 Operation lamp flashes and Timer lamp off.......................................................................................48
13.5 Operation lamp flashes and Timer lamp on.......................................................................................48
13.6 Operation lamp off and Timer lamp flashes.......................................................................................49
13.7 Operation lamp on and Timer lamp flashes.......................................................................................49
13.8 Operation lamp flashes, Timer lamp flashes......................................................................................49
14 Characteristic of temperature sensor.............................................................................50
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Service manual
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1. Precaution
1.1 Safety Precaution
n To prevent injury to the user or other people and property damage, the following instructions must be followed.
n Incorrect operation due to ignoring instruction will cause harm or damage.
n Before service unit, be sure to read this service manual at first.
1.2 Warning
Ø Installation
n Do not use a defective or underrated circuit breaker.
Use this appliance on a dedicated circuit.
There is risk of fire or electric shock.
n 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.
n Always ground the product.
There is risk of fire or electric shock.
n Install the panel and the cover of control box
securely.
There is risk of fire of electric shock.
n Always install a dedicated circuit and breaker.
Improper wiring or installation may cause fore or electric
shock.
n Use the correctly rated breaker of fuse.
There is risk of fire or electric shock.
n Do not modify or extend the power cable.
There is risk of fire or electric shock.
n Do not install, remove, or reinstall the unit by
yourself (customer).
There is risk of fire, electric shock, explosion, or injury.
n 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.
n For installation, always contact the dealer or an
Authorized service center.
There is risk of fire, electric shock, explosion, or injury.
n Do not install the product on a defective installation
stand.
It may cause injury, accident, or damage to the product.
n 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.
n 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.
n Take care to ensure that power cable could not be
pulled out or damaged during operation.
There is risk of fire or electric shock.
n Do not place anything on the power cable.
There is risk of fire or electric shock.
n Do not plug or unplug the power supply plug during
operation.
There is risk of fire or electric shock.
n Do not touch (operation) the product with wet hands.
There is risk of fire or electric shock.
n Do not place a heater or other appliance near the
power cable.
There is risk of fire and electric shock.
n Do not allow water to run into electric parts.
It may cause fire, failure of the product, or electric shock.
n Do not store or use flammable gas or combustible
near the product.
There is risk of fire or failure of product.
n Do not use the product in a tightly closed space for a
long time.
Oxygen deficiency could occur.
n 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.
n 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.
n 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.
n 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.
n When the product is soaked (flooded or submerged),
contact an Authorized service center.
There is risk of fire or electric shock.
n Be caution that water could not enter the product.
There is risk of fire, electric shock, or product damage.
n Ventilate the product from time to time when
operating it together with a stove, etc.
There is risk of fire or electric shock.
n Turn the main power off when cleaning or
maintaining the product.
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There is risk of electric shock.
n 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.
n 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
n Always check for gas (refrigerant) leakage after
installation or repair of product.
Low refrigerant levels may cause failure of product.
n Install the drain hose to ensure that water is drained
away properly.
A bad connection may cause water leakage.
n Keep level even when installing the product.
To avoid vibration of water leakage.
n 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.
n Use two or more people to lift and transport the
product.
Avoid personal injury.
n 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
n 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.
n 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.
n Do not block the inlet or outlet of air flow.
It may cause product failure.
n 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.
n Do not touch the metal parts of the product when
removing the air filter. They are very sharp.
There is risk of personal injury.
n Do not step on pr put anything on the product.
(outdoor units)
There is risk of personal injury and failure of product.
n 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.
n 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.
n Do not drink the water drained from the product.
It is not sanitary could cause serious health issues.
n Use a firm stool or ladder when cleaning or
maintaining the product.
Be careful and avoid personal injury.
n 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.
n Do not recharge or disassemble the batteries. Do not
dispose of batteries in a fire.
They may burn of explode.
n 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.
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Service manual
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2. Function
Indoor unit
Operation ON/OFF by remote controller
Room temperature sensor.
Pipe temperature sensor.
Sensing by room temperature
Maintain the room temperature in accordance with the setting temperature.
Room temperature control
Prevent the water being freezed on evaporator by sensing
the evaporator pipe temperature in cooling mode
Anti-freezing control in cooling
Restarting is for approx. 3 minutes..
Time Delay Safety control
Turbo wind, high, med, low, breeze.
Indoor fan speed control
The unit will decide the louver direction according to operation mode.
Two-direction air vane
The fan is turn to low speed (cooling/heating).
The unit will be turn off at the seventh hour.
Sleep mode auto control
The function is usually used in rainy days in
springtime or damp areas.
Independent dehumidification
The louver can be set at the desired position or swing up and
down automatically
Air flow Direction control
The mode can be change by the room temperature.
Auto mode
DSP High-speed Chip
Flexible wiring connection
Auto defrost
Temp. Compensation
Prevent the cold wind at
the beginning of unit start.
Anti-cold function
Self-diag. function
Auto-restart function
When the power supply is interrupted and then
restore, the air conditioners automatically
restore the previous function setting.
Tele Remote control (Optional)
Driving heating at -15℃
High efficiency (30%)
Work voltage (160v-253v)
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The unit has 3 mins delay between continuously ON/OFF operations.
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.
Anti-rust cabinet
Valve protection cover
4 way valve control
Made from electrolytic zinc steel sheet and anti-rust coated components.
It protects the valves and prevents water from dripping.
Low noise air flow system
Bird tail propeller fan makes the outdoor unit run more quietly.
Discharge pipe temperature protect
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3. Dimension
3.1 Indoor unit（Alfa）
Outdoor unit（Alfa）
Dimension
Mode
W H D
18K 920 293 224
Dimension
Mode
W H D L1 L2 L3
18K 845 695 335 560 360 735
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3.2 Indoor unit（Corona）
Outdoor unit（Corona）
Dimension
Mode
W H D
18K 920 292 225
Dimension
Mode
W H D L1 L2 L3
18K 845 695 335 560 360 735
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3.3 Indoor unit(Inverter Eco)
Dimension
Mode
W H L
7K 750 250 188
9K 750 250 188
12K 750 250 188
Outdoor unit(Inverter Eco)
Dimension
Mode
W H D L1 L2 L3
7K 780 540 250 530 315 590
9K 780 540 250 530 315 590
12K 780 540 250 530 315 590
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3.4 Indoor unit(Inverter Elite)
Outdoor unit(Inverter Elite)
Dimension
Mode
W H D
7K 710 250 190
9K 710 250 190
12K 790 265 195
Dimension
Mode
W H D L1 L2 L3
7K 780 540 250 530 315 590
9K 780 540 250 530 315 590
12K 780 540 250 530 315 590
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3.5 Indoor unit(Inverter Star)
Outdoor unit(Inverter Star)
Dimension
Mode
W H D
9K 750 250 205
12K 815 280 215
21K 1080 330 222
24K 815 280 215
Dimension
Mode
W H D L1 L2 L3
9K 780 540 250 530 315 590
12K 780 540 250 530 315 590
21K 845 695 335 560 360 735
24K 845 695 335 560 360 735
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Service manual
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4. Specification
Ac Alfa，Ac Corona, Inverter Elite
Model MSH-18HRIN1 MSC-18HRIN1 MSE-09HRIN2 MSE-12HRIN2
Power supply Ph-V-Hz
1, 220-240V~, 50Hz 1, 220-240V~,50Hz 1, 220-240V~, 50Hz
1, 220-240V~, 50Hz
Capacity Btu/h 18000 18000 9000 12000
Input W 1670 1720 1100 1400
Rated current A 9.0 7.5 5.1 6.4
Cooling
EER Btu/w.h
10.8 10.5, 8.2 8.6
Capacity Btu/h 20000 19000 12000 15000
Input W 1830 1790 1400 1700
Rated current A 9.9 7.7 6.3 7.5
Heating
COP W/W 3.2 3.11 8.6 8.8
Max. current A 15.5 18 12 18
Starting current A 9.0 9.0
Model BA160X2CS-20KU
BA160X2CS-20KU
BG130X1C-20FZ
BG130X1C-20FZ
Type Rotary Rotary Rotary Inverter Rotary Inverter
Brand TOSHIBA TOSHIBA TOSHIBA TOSHIBA
Capacity Btu/h 16140 16140 9468 9468
Input W 1630 1630 890 890
Rated current(RLA) A 10.95 10.95 5.7 5.7
Locked rotor Amp(LRA)
A 55 55
Thermal protector CS-74 CS-74 CS-74 CS-74
Capacitor uF No No No No
Compressor
Refrigerant oil ml 750 750 370 370
Model RPG28C RPG28C RPG13H RPG13D
Brand Welling Welling Welling Welling
Input W 45 55 39.5 44
Capacitor uF 1.5 1.5 1.2 1.5
Indoor \fan motor
Speed(hi/mi/lo) r/min 1200/1150/1000 1140/1060/980 1250/1100/850 1180/1000/850
Indoor air flow (Hi/Mi/Lo) m3/h 800/700/600 800/700/600 520/460/410 580/500/420
Indoor noise level (Hi/Mi/Lo) dB(A) 44/40/37 44/40/37 40/38/35 40/38/35
Model YDK53-6K YDK53-6C YDK24-6F YDK25-6-3
Brand Welling Welling Welling Welling
Input W 130 125 56 75
Capacitor uF 3.0 3.0 2.5 2.0
Outdoor fan motor
Speed r/min 750 800 800 900
Outdoor air flow m3/h 2500 2500 1600 1700
Outdoor noise level dB(A) 58 58 58 58
Refrigerant type R410A g 1650 1770 840 1200
Liquid side/ Gas side mm Ф6.35/Ф12.7 Ф6.35/Ф12.7 Ф6.35/Ф9.53 Ф6.35/Ф12.7
Max. pipe length m 10 15 10 10
Refrigerant piping
Max. in level m 5 8 5 5
Operation temp ℃ 17-30 17-30 17-30 17-30
Ambient temp ℃ -15-43 -15-43 -15-50 -15-50
Application area m2 28-45 28-45
Note:
The noise date is base on hemi-anechoic chamber, during actual operation; these values are normally somewhat different
as a result of ambient condition.
The above design and specifications are subject to change without prior notice for product improvement.
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Service manual
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Model MSG-07HRIN2 MSG-09HRIN2 MSG-12HRIN2
Power source 220-240V~ 50Hz 220-240V~ 50Hz 220-240V~ 50Hz
Capacity BTU/H
7000(2700~9000)
9000(2730~10600)
12000(3070~13300)
Input W 780(305~990) 990(305~1180) 1340(334~1494)
Running current A 4.8(1.35~6.2) 4.5(1.2~6.6) 5.8(1.60~7.60)
Cooling
EER BTU/W.H,W/W
9.0, 2.62 9.0, 2.62 9.0, 2.61
Capacity BTU/H 9000(2700~11000)
12000(2730~14000)
15000(3070~17060)
Input W
940(280~1140) 1240(283~1450) 1560(320~1773)
Running current A 4.4(1.35~6.7) 5.5(1.45~9.3) 6.8(1.6~10.6)
Heating
COP W/W 2.81 2.82 2.82
Moisture r
emoval
L/h 1.0 1.0 1.2
Max. input consumption W
2300 2300 2600
Model BG130X1C-20FZ
BG130X1C-20FZ BG130X1C-20FZ
Type Rotary Inverter Rotary Inverter Rotary Inverter
Brand TOSHIBA TOSHIBA TOSHIBA
Refrigerant oil ml 370 370 370
Refrigerant oil type POE POE POE
Compressor
Capacitor uF \ \ \
Refrigerant R407C g
800 800 1200
Input W RPG13H RPG13H RPG13C
Brand Welling Welling Welling
Capacitor uF 1.2uF/≥450VAC 1.2uF/≥450VAC 1.5uF/≥450VAC
Speed level 3 3 3
Indoor fan motor
Hi/Mid/Lo speed ( rpm) 1050/950/750 1100/1000/800 1060/900/800
Air flow(indoor) Hi/Mid/Lo m3/h 500/410/320 520/430/330 560/460/380
Noise level (indoor) Hi/Mid/Lo dB(A) 35/32/26 36/32/26 36/32/26
Input W YDK25-6-3 YDK25-6-3 YDK25-6-3
Capacitor uF 2.5uF/≥450VAC 2.5uF/≥450VAC 2.5uF/≥450VAC
Outdoor fan motor
Brand Welling Welling Welling
Noise lever (outdoor)
dB(A) 51 51 53
dimension (W*H*D) 750*250*188 750*250*188 815*280*195
Packing (W*H*D) 830*336*280 830*336*280 915*360*275
Indoor unit
Net/Gross weight kg 8.5/11 8.5/11 11/14
dimension (W*H*D) 780*540*250 780*540*250 780*540*250
Packing (W*H*D) 910*575*335 910*575*335 910*575*335
Outdoor unit
Net/Gross weight kg 37/40 37/40 40/43
Liquid side mm φ6.35 φ6.35 φ6.35
Gas side mm φ9.53 φ9.53 φ12.7
Max. refrigerant pipe le
ngth
10 10 10
Refrigerant piping
Max. difference in level
5 5 5
Operation temp
17℃~30℃ 17℃~30℃ 17℃~30℃
Ambient temp
-15℃~45℃ -15℃~45℃ -15℃~45℃
Application area
M2
14-18 18-24 20-30
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5. Refrigerant cycle diagram
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6. Operation limits
6.1 Cooling operation
Outdoor unit air temp.℃ DB
Indoor air temp. ℃ DB
Note: The chart is the result from the continuous operation under constant air temperature conditions.
However, excludes the initial pull-down stage.
6.2 Heating operation
Indoor air temp. ℃ DB
Outdoor unit air temp.℃ DB
Note: The chart is the result from the continuous operation under constant air temperature conditions.
However, excludes the initial pull-down stage.
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