A
A
A
S
S
S
i
i
i
e
e
e
r
r
r
r
r
r
C
C
C
v
v
v
i
i
i
o
o
o
c
c
c
n
n
n
e
e
e
d
d
d
M
M
M
i
i
i
t
t
t
a
a
a
i
i
i
o
o
o
n
n
n
n
n
n
u
u
u
e
e
e
a
a
a
r
r
r
l
l
l
2
M
M
M
o
o
o
d
d
d
e
e
e
l
l
l
G
G
G
r
r
r
o
o
o
u
u
u
p
p
p
:
:
:
A
A
A
C
C
C
-
-
-
S
S
S
7
7
7
Model :
AC-S7CK
AC-S7HK
Model No: AC-S7CK_S7HK
Version 1.0
3
Content
Feature …………………………………..……………………………………………….. 4
Specifications ……………………………………………………………………………. 5
Operating range …………………………………………………………………………. 5
Remote control …………………………………………………………………………...7
Refrigeration cycle ………………………………………………………………………. 10
Operation details ………………………………………………………………………… 12
Installation ……………………………………………………………………………….. 22
2-way, 3-way valve ……………………………………………………………………… 33
Trouble shooting ………………………………………………………………………… 41
Exploded drawing …………………………………………………………………… …. 49
Part list …………………………………………………………………………………… 52
Model No: AC -S7CK_S7HK
Version 1.0
4
Automatically switches the appliance ON at preset time intervals, ensuring a comfortable
when
t to cool the room as soon as
CHAPTER 1: FEATURES
MODE
COOLING Cools, dehumidifies and filters the room air. Maintains desired room temperature.
HEATING Heats and filters the room air. Maintains desired room temperature.
DESCRIPTION
SMART
DRY
FAN ONLY Re-circulates and filters the room air. Maintains constant air movement in the room.
SLEEP
AUTO FAN
FAN SPEED
HIGH
MEDIUM
LOW
Operates the appliance at COOLING, HEATING or DRY mode, maintaining desired
temperature dependent upon the room temperature.
Dehumidifies and softly cools the room air. This mode is advisable to be used when the
room temperature is rather cool but the humidity is rather high.
The SLEEP mode will be canceled after being set for 8 hours. The set temperature will
be increased 0.5o per hour during the first two hours in COOLING or DRY and
decreased 1 o per hour in the first three hours in HEATING.
The appliance automatically selects the indoor fan speed in accordance to the room
temperature. At the start, the appliance operates at high fan speed. As the room
temperature gets closer to the set temperature, the fan switches to a lower speed for
quieter operation.
1. The appliance can set at different indoor fan motor speed by pressing the FAN
SPEED button on the remote controller.
2. When this symbol is being displayed on the LCD of the remote controller, the signal is
transmitting from the remote controller to the air conditioner.
TEMP. SET
UP
DOWN
TIMER
Auto -restart
SUPER
Press DOWN button once, the set temperature is decreased by 1 o .
Press UP button once, the set temperature is increased by 1 o .
environment before you return home, or switches OFF the appliance automatically
you sleep without wasting electricity.
When the power supply restores after its failure, the machine will start to work
automatically with the previous setting parameters.
Strong cooling when you just come into your room and wan
possible.
Model No: AC -S7CK_S7HK
Version 1.0
5
CHAPTER 2: SPECIFICATIONS
(SEE APPENDIX A)
CHAPTER 3: OPERATING RANGE
1. TEMPERATURE RANGE FOR T1 CLIMATE AIR CONDITIONER
l The preset temperature of the appliance ranges from 18oC to 32oC.
l The ambient temperature of the cooling only air conditioner ranges from 18oC to
43oC.
l The ambient temperature of the heat pump ranges from –7oC to 43oC.
l The rated cooling operation test condition is as following.
Indoor DB/WB temperature: 27oC /19oC
outdoor DB/WB temperature: 35oC /24oC
l The rated heating operation test condition is as following.
l indoor DB/WB temperature: 20oC /Max.15oC
l outdoor DB/WB temperature: 7
2. TEMPERATURE RANGE FOR T3 CLIMATE AIR CONDITIONER
l The preset temperature of the appliance ranges from 18oC to 32oC .
l The ambient temperature of the cooling only air conditioner ranges from 21oC to
52oC.
l The rated cooling operation test condition is as following.
Indoor DB/WB temperature: 27oC /19oC
o
C /6oC
outdoor DB/WB temperature: 35oC /24oC
Model No: AC -S7CK_S7HK
Version 1.0
6
AC -S7CK_S7HK
3. REFRIGERANT PIPING
l The maximum length of the connecting refrigerant piping between indoor unit
and outdoor unit is 15m and the maximum elevation difference between indoor
and outdoor units are 5m.
l If the refrigerant piping is longer than 7m,additional refrigerant charge 20g/m for
below 1/2 inch gas pipe and 30g/m for below 5/8 or 3/4 inch gas pipe is advis-
able.
Indoor unit
e
b
d
l
u
o
h
s
n
o
i
t
a
v
e
l
e
m
5
n
a
h
t
s
s
e
l
Pipe length is
15 meters Max
Indoor unit
Outdoor unit
l Outside diameter of the refrigerant piping is as following.
Models
OD of liquid pipe
(small pipe)
Outdoor unit
e
b
d
l
u
o
h
m
s
5
n
n
o
a
i
h
t
t
a
v
s
e
s
l
e
e
l
Curled tube for
returning water
OD of gas pipe
(large pipe)
7K, 9K (COOLING ONLY & HEAT PUMP 6mm or 1/4 inch 10mm or 3/8 inch
12K, 18K,24K ( COOLING ONLY &
6mm or 1/4 inch 12mm or 1/2 inch
HEAT PUMP)
Model No:
Version 1.0
7
CHAPTER 4: REMOTE CONTROLLER
The remote controller transmits signals to the system.
4
9
5
3
6
2
7
8
1
1. ON/OFF BUTTON
l The appliance will be started when it is energized or will be stopped when it is in
operation, if you press this button.
2. MODE BUTTON
l Used to select the type of operation mode.
COOLING mode
Model No: AC -S7CK_S7HK
Version 1.0
8
DRY mode
FAN ONLY mode
HEATING mode
3. FAN SPEED BUTTON
l Used to select the indoor fan motor speed.
Automatic fan speed
High fan speed
Medium fan speed
Low fan speed
4.TEMPERATURE SETTING BUTTON
l Used to adjust the preset room temperature.
l Used to adjust time in TIMER mode.
5. SWING BUTTON
l Press to adjust airflow direction.
6. SMART BUTTON
l Used to enter fuzzy logic operation directly, regardless of the unit is on or off.
7. TIMER SET/CANCEL BUTTON
l Used to set or cancel the timer operation.
8. SLEEP BUTTON
l Used to set or cancel SLEEP mode operation during COOLING, HEATING, DRY
or SMART mode operation.
9. SUPER BUTTON
l Used to start or stop the fast cooling.
(Fast cooling operates at high fan speed with 18 oC setting temperature
automatically)
The indication symbols on LCD:
Model No: AC -S7CK_S7HK
Version 1.0
9
Indication symbols on LCD:
Medium fan speed
Signal transmit.
Super indicator
Smart indicator
Sleep indicator
Cooling indicator
Dry indicator
Fan only indicator
Heating indicator
Auto fan speed
High fan speed
Low fan speed
Model No: AC -S7CK_S7HK
Version 1.0
10
2-way valve
CHAPTER 5: REFRIGERATION CYCLE
1. Cooling only appliance
Indoor unit
ЦЖАдПµН³Н¼
evaporator
Outdoor unit
accumulator
compressor
gas side
liquid side
3-way valve
capillary
condenser
Model No: AC -S7CK_S7HK
Version 1.0
11
2. Heat pump
¼¼Êõ²ÎÊý:
Outdoor unit
compressor
defrost
Flow of refrigerant
heating cooling
accumulator
reverse valve
gas side
Indoor unit
3-way valve
evaporator
liquid side
2-way valve
check valve
capillary
condenser
Model No: AC -S7CK_S7HK
Version 1.0
12
AC -S7CK_S7HK
CHAPTER 6: OPERATION DETAILS
1. SAFETY CONTROL
l 3 minutes delay for compressor
The compressor is ceased for 3 minutes to balance the pressure in the refrigeration
cycle in order to protect the compressor.
l 59 seconds delay for reversing valve
The 4-way reversing valve delay for 59 seconds to prevent the refrigerant abnormal
noise when the HEATING operation is OFF or switched to other operation modes.
l Over-current control
The compressor will be switched OFF when it is over-current for 5 seconds, and
when the current is normal and the compressor has been stopped for 3 minutes , the
compressor will be turned ON.
l Freeze preventive control
When the indoor pipe temperature falls below –1oC during COOLING or DRY
operation for 3 minutes, the compressor and outdoor fan motor turn OFF with buzzer
3 beeps . When the indoor pipe temperature recovers to 5oC and the compressor has
been stopped for 3 minutes, the compressor and outdoor fan motor will be turned
ON.
l Overheating protection system
When overloading occurs during the heating operation, this system controls the
outdoor fan motor and compressor according to the indoor pipe temperature to
prevent the overloading of the compressor and restrain the rise in high pressure.
When the indoor pipe temperature exceeds 53oC, the outdoor fan motor will be
turned OFF, and when the indoor pipe temperature falls below 49oC, the outdoor fan
motor recovers to ON. When the indoor pipe temperature exceeds 63oC, the
appliance will be turned OFF with 4 beeps of buzzer and cannot recover
automatically.
Model No:
Version 1.0
13
2. AIR FLOW DIRECTION CONTROL
l This function is to swing the louver up and down automatically and to set it at a
desired position.
l The procedure is as following.
F Press the ON/OFF button to operate the appliance. The louver will swing
automatically to the default position.
F Press the SWING button to swing the louver up and down automatically.
F Repress the SWING button to stop the louver at a desired position.
l The louver is controlled by a step motor. The different default position of different
modes is as following:
F The louver can swing from 0° to 110°.
F The louver closes at 0°.
F The louver swings from 25° to 65° with an automatic setting point of 45° during
COOLING operation.
F The louver swings from 10° to 30° with an automatic setting point of 30° during
DRY operation.
F The louver swings from 45° to 98° with an automatic setting point of 85° during
HEATING operation.
F The louver swings from 45° to 98° with an automatic setting point of 85° during
FAN only operation.
3. COOLING MODE OPERATION
l When the COOLING mode operation is selected without setting temperature, the
appliance will set the preset temperature at 26 oC automatically with the AUTO
FAN speed.
l When selecting the COOLING mode operation, the appliance will operate ac-
cording to the setting by the remote controller and the operation diagram is as
following:
Model No: AC -S7CK_S7HK
Version 1.0
14
ROOM TEMP.
SET TEMP.+1¡æ
(COMP.ON)
SET TEMP.-1¡æ
(COMP. OFF)
More than
3 mins
More than
3 mins
Indoor fan motor
speed
set
speed
set set
low
speed
set
speed
low
speed
set
speed
Compressor
ON OFF ON OFF ON
Outdoor fan motor
ON OFF ON OFF ON
4. DRY MODE OPERATION
l The appliance starts as COOLING operation. If 3 minutes elapses after starting,
the appliance will sense the intake air temperature and minus 1.5oC as the
setting temperature.
l During DRY operation, the compressor ON when temperature is the setting
temperature plus 1oC. The compressor OFF when temperature is the setting
temperature minus 1oC. The setting temperature can only be adjusted by 2oC
up and down.
l When the appliance operates at DRY mode, the indoor motor speed is LOW.
5. HEATING MODE OPERATION (ONLY AVAILABLE FOR HEAT PUMP)
l The appliance will operate at the setting by the remote controller and the opera-
Model No: AC -S7CK_S7HK
Version 1.0
*
*
o
o
tion diagram is shown as following.
SET TEMP.+4.5¡æ
Set Temp +1
(Comp Off)
(COMP. OFF)
SET TEMP.+2.5¡æ
Set Temp -1
(COMP. ON)
(Comp On)
ROOM TEMP.
1o
15
More than
3 mins
B
A
30 secs
A
B
30 secs
Indoor fan motor speed
Compressor ON OFF ON OFF
Outdoor fan motor ON OFF ON OFF
* The indoor fan motor is controlled by Cold Air Preventive System.
set
UL OFF
speed
*
set
UL
speed
*
OFF
l The indoor fan motor is controlled by Cold Air Preventive System.
6. COLD AIR PREVENTIVE SYSTEM (ONLY AVAILABLE FOR HEAT PUMP)
l This system is intended to prevent cold air from being discharged during
HEATING operation.
l The indoor fan motor speed will be controlled as following. (for7K, 9K, 12K, 18K
and 22K heat pump)
Model No: AC -S7CK_S7HK
Version 1.0
16
l The indoor fan motor speed will be controlled as following. (for 24K heat pump)
7. SMART MODE OPERATION
l When SMART air conditioning is selected, the operation mode and preset
temperature are set automatically according to the room temperature at starting
operation.
l The operation procedure of cooling only is as following.
Intake air temperature at
operation start
Preset temperature
Operation mode COOLING DRY
*The initial mode will be continued and independent upon the room temperature
changing.
l The operation procedure of heat pump is as following.
Model No: AC -S7CK_S7HK
Version 1.0
Over 26oC Below 26oC
26oC
Intake air temperature minus
1.5oC
17
Intake air temperature at
Over 26oC 21oC ~ 26oC Below 21oC
operation start
Preset temperature
26oC
Intake air temperature at
22oC
operation start
Operation mode COOLING DRY HEATING
The initial mode will be continued and independent upon the room temperature
changing.
l If initial mode is selected, that mode is continued, independent upon the
temperature changing.
l The indoor fan motor speed is automatically determined by Auto Fan Speed. If
you are not satisfied with the auto fan speed, you can adjust the fan speed by
pressing the FAN BUTTON.
8. AUTO FAN SPEED
l When the Auto Fan Speed is selected in COOLING or HEATING operation, the
indoor fan motor speed is automatically controlled by the intake air temperature
and the preset temperature.
l The operation procedure of COOLING is as following.
Intake air temp.
Set temp.+3¡æ
Set temp.+1¡æ
Set temp.+1¡æ
Intake air temp.
Indoor fan
motor speed
Low
Indoor pipe temperature risesIndoor pipe temperature rises Indoor pipe temperature falls
Medium
High
Set temp.+2¡æ
Set temp.
Indoor fan
motor speed
High
Medium
Low
Model No: AC -S7CK_S7HK
Version 1.0
18
l The operation procedure of HEATING is as following.
Intake air temp.
Set temp.
Set temp.-2¡æ
Intake air temp.
Indoor fan
motor speed
High
Medium Low
Indoor pipe temperature risesIndoor pipe temperature rises Indoor pipe temperature falls
Low
Set temp.-1¡æ
Set temp.-3¡æ
Indoor fan
motor speed
9. INDOOR FAN SPEED CONTROL
l Auto Fan Speed control
When set to Auto Fan Speed, the indoor fan motor speed is controlled by the
difference between the intake air temperature and the preset temperature. The more
the difference, the higher the indoor fan motor speed. Auto Fan Speed is only
HighMedium
available for COOLING and HEATING modes.
l Manual fan speed control
Basic fan motor speed adjustment (3 setting, LOW, MEDIUM and HIGH) can be
conducted by using the Fan Speed Selection button on the remote controller.
l The indoor fan speed in different modes is shown as following.
Fan Speed High(H) Medium(M) Low(L) Stop
COOLING Manual OK OK OK N/A
Automatic OK OK OK N/A
HEATING Manual OK OK OK N/A
Automatic OK OK OK N/A
Cold Air Preventive OK OK OK OK
DRY N/A N/A OK N/A
FAN ONLY OK OK OK N/A
Model No: AC -S7CK_S7HK
Version 1.0
19
10. EMERGENT START
l If you lose the remote controller or it is out of work, you can also operate the
appliance by pressing the EMERGENT BUTTON on the indoor unit for an
emergent start.
l The operation mode is SMART if an emergent start is presented when the
appliance is connected to the power at first time. If the appliance is in stand by,
the operation mode will restore the last time setting when you press the
EMERGENT BUTTON.
11. AUTORESTART FUNCTION
When the unit is connected to power, pressing the EMERGENT BOTTON for over
5 seconds;
if the unit without auto restart function, it will be of the function of auto restart
after the buzzer 1 beeps;
if the unit with auto restart function, it will discharge the auto restart function
after the buzzer 1 beeps.
12. DEFROST
l The defrost timer (integrating the operation time of compressor)counts time by
microprocessor during HEATING operation.
l 50 minutes later after starting HEATING operation or after defrost, when the
outdoor pipe temperature falls to –8oC , the defrosting is started. When the
outdoor pipe temperature exceeds 8oC or the defrosting time reaches 10
minutes, the defrosting is ended.
l During the defrosting operation, the red LED indicator on the indoor unit of the
appliance flickers.
l In the defrost operation, firstly the compressor and the outdoor fan motor are
turned OFF. 59 seconds later the reversing valve is turned OFF. 60 seconds
later the compressor is turned ON.
l The maximum defrost time is 10 minutes.
l In the end of defrosting, the compressor is turned OFF, 59 seconds later the
reversing valve is turned ON. 60 seconds later the compressor and outdoor fan
motor are turned ON and starting HEATING operation.
l During the defrost operation, the indoor fan motor is controlled by Cold Air
Model No: AC -S7CK_S7HK
Version 1.0
20
Preventive System.
l The HEATING and defrosting operation is alternated as following.
Switch ON
Heating
Min 50 mins
l The defrosting procedure is shown as following.
Heating
Min 50 mins
Defrosting
Max 10 mins
Heating
Min 50 mins
Model No: AC -S7CK_S7HK
Version 1.0
21
AC -S7CK_S7HK
13. TIMER MODE OPERATION
l The setting time ranges from 0.5 hour to 24 hours.
l OFF-TIMER can be set when the appliance is in operation, and it will be
switched OFF when the preset time is achieved.
l ON-TIMER can be set when the appliance is in suspension, and it will be
switched ON when the preset time is achieved.
l Pressing TIMER button once, the last setting time display on the LCD of remote
controller. You can adjust the setting time by pressing the TEMPERATURE
SETTING BUTTON. Pressing the TIMER button again, the timer mode is se-
lected and the yellow LED indicator on the indoor unit lights up.
l The TIMER mode can be cancelled by pressing the TIMER button again on the
remote controller.
14. SLEEP MODE OPERATION
l The SLEEP mode can only be set during COOLING,DRY,SMART or HEATING
operation.
l An energy conservation operation will be achieved if selecting SLEEP mode
combined with OFF-TIMER. The operation will be turned OFF after the preset
time. The maximum preset time of SLEEP mode is 8 hours(default time).
l When selecting the COOLING or DRY operation with SLEEP mode, the
operation diagram is as following. The setting temperature will be raised by
0.5oC per hour in the first two hours after the starting. The operation will stop
after 8 hours.
Max 8 hours
2 hours
1 hour
Set temp.
0.5¡æ
0.5¡æ
SLEEP START
SLEEP STOP
l When selecting HEATING operation with SLEEP mode, the setting temperature
will be decreased by 3oC during successive 3 hours later. The operation will
Model No:
Version 1.0
22
stop in 8 hours. The operation diagram is as following.
Max 8 hours
1 hour
2 hours
Sleep start
1¡æ
2¡æ
3¡æ
3 hours
Sleep stop
CHAPTER 7: INSTALLATION
Notice: There is detailed information about installation in the OPERATING AND
INSTALLATION INSTRUCTIONS MANUAL. The same information is not repeated in
this TECHNICIAN SERVICE MANUAL.
1. SELECT THE BEST LOCATION
l Indoor unit
F There should not be any heat source or steam near the unit.
F There should not be any obstacles to prevent the air circulation.
F A place where air circulated in the room will be good.
F A place being drained can be easily obtained.
F A place where noise prevention is taken into consideration.
F Do not install the unit near the door way.
F Ensure the spaces from the wall, ceiling, fence or other obstacles.
l Outdoor unit
F If an awning is built over the unit to prevent direct sunlight or rain exposure, be
careful that heat radiation from the condenser is not restricted.
F There should not be any animals or plants which could be affected by air dis-
charged.
F Ensure the spaces from the wall, ceiling, fence or other obstacles.
F A place where noise does not annoy your neighbors.
Model No: AC -S7CK_S7HK
Version 1.0
23
2. DRILL THE PIPING HOLE WITH 70mm DIAMETER HOLE-CORE DRILL
l Line according to the arrows marked on the lower left and right side of the in-
stallation plate.
l The meeting point of the extended line is the center of the hole.
l Drill the piping hole at either the right or the left and the hole should be slightly
slant to the outdoor side.
3. PIPING AND DRAINAGE OF INDOOR UNIT
l Preparation of piping
1) Cut the pipes and the cable
F Use the accessory piping kit or the pipes purchased locally.
F Measure the distance between the indoor and the outdoor units.
F Cut the pipes a little longer than measured distance.
Model No: AC -S7CK_S7HK
Version 1.0
24
F Cut the cable a 1.5m longer than the pipe length.
Model No: AC -S7CK_S7HK
Version 1.0
25
AC -S7CK_S7HK
2) Remove burrs
F Remove burrs from cut edges of pipes.
F Turn the pipe end down to avoid the metal powder entering the pipe.
F Caution: If the burrs are not removed, they may cause a gas leakage.
Model No:
Version 1.0
26
3) Flaring the pipes
F Insert the flare nuts, mounted on the connection ports of both indoor and outdoor
units, onto the copper pipes. Some refrigerant gas may leak, when the flare nuts
are removed from the indoor unit, as some gas is charged to prevent the inside of
the pipe from rusting.
F Fit the copper pipe end into the bar of flare tool about 0~0.5mm higher .
F Flare the pipe ends.
4) Tape the flaring portion to protect it from the dust or damages.
l Indoor unit installation
F Hook the indoor unit onto the upper portion of installation plate.(Engage the two
hooks of the rear top of the indoor unit with the upper edge of the installation
plate.)
F Ensure the hooks are properly seated on the installation plate by moving it in left
and right.
l Connecting the piping to the indoor unit
F Align the center of the piping and sufficiently tighten flare nut with fingers.
F Finally, tighten the flare nut with torque wrench until the wrench clicks.
F Wrench tightening the flare nut torque wrench, ensure the direction for tightening
follows the arrows on the wrench.
Model No: AC -S7CK_S7HK
Version 1.0
27
Pipe Size Torque
Liquid Side(φ6 or 1/4 inch) 1.8 kg.m
Liquid Side (φ10 or 3/8 inch) 3.5 kg.m
Liquid Side(φ12 or 1/2 inch) 5.5 kg.m
Gas Side (φ10 or 3/8 inch) 3.5 kg.m
Gas Side(φ12 or 1/2 inch) 5.5 kg.m
Gas Side(φ16 or 5/8 inch) 7.5 kg.m
Gas Side(φ19 or 3/4 inch) 10.0 kg.m
l Wrap the insulation material around the connecting portion.
4. CONNECTING PIPINGS AND THE CABLE TO OUTDOOR UNIT
l Connecting the piping to outdoor unit
F Align the center of the piping and sufficiently tighten the flare nut with fingers.
F Finally, tighten the flare nut with torque wrench until the wrench clicks.
Model No: AC -S7CK_S7HK
Version 1.0
28
F When tightening the flare nut with torque wrench, ensure the direction for tight-
ening follows the arrows on the wrench.
Pipe Size Torque
Liquid Side(φ 6 or 1/4 inch) 1.8 kg.m
Liquid Side (φ 10 or 3/8 inch) 3.5 kg.m
Liquid Side(φ 12 or 1/2 inch) 5.5 kg.m
Gas Side (φ 10 or 3/8 inch) 3.5 kg.m
Gas Side(φ 12 or 1/2 inch) 5.5 kg.m
Gas Side(φ 16 or 5/8 inch) 7.5 kg.m
Gas Side(φ 19 or 3/4 inch) 10.0 kg.m
l Connecting the cable to the outdoor unit as shown in OPERATING AND
INSTALLATION INSTRUCTIONS MANUAL.
Model No: AC -S7CK_S7HK
Version 1.0
29
5. CHECKING THE DRAINAGE AND CONNECTING THE CABLE TO INDOOR
UNIT
l Checking the drainage
1) Remove the grille from the cabinet
F Set the up-and-down air direction louver to open position(horizontally) by finger
pressure.
F Remove the screw caps and the securing screws.
F To remove the grille, pull the lower left and right side of the grille toward you
(slightly titled) and lift it straight upward(Two tabs on the top inside edge of the
grille are clear of their slots).
2) Check the drainage
F Pour glass of water on the evaporator.
F Ensure if water flows from drainage hose of indoor unit.
l Form the piping
F Wrap the connecting portion of indoor unit with the insulation material and se-
cure it with two plastic bands (for the right piping).
Model No: AC -S7CK_S7HK
Version 1.0
30
F If you may connect an additional drainage hose, the end of the drainage-outlet
should keep distance from the ground.(Do not dip it into water, and fix it on the
wall to avoid swinging in the wind.)
l In case of the outdoor unit is installed below position of the indoor unit.
F Tape the piping, drainage hose and connecting cable from down to up.
F Form the piping gathered by taping along the exterior wall and fix it onto the wall
by saddle or equivalent.
Model No: AC-S7CK_S7HK
Version 1.0
31
l In case of the outdoor unit is installed upper position of the indoor unit.
F Tape the piping and connecting cable from down to up.
F Form the piping gathered by taping along the exterior wall and the trap is re-
quired to prevent water from entering into the room.
F Fix the piping onto the wall by saddle or equivalent.
l Connecting the cable to the indoor unit as shown in the OPERATING AND
INSTALLATION INSTRUCTIONS MANUAL.
6. AIR PURING OF THE PIPINGS AND INDOOR UNIT
l Air purging preparation
F Remove the caps from the 2-way and 3-way valves.
F Remove the service-port cap from the 3-way valve.
F To open the valve, turn the valve spindle of 2-way valve counter-clockwise ap-
proximate 90°° and hold it there for 5 seconds, then close it.
F Caution: Do not leak the gas in the air during air purging.
Model No: AC-S7CK_S7HK
Version 1.0
32
AC -S7CK_S7HK
way valve again, turn the
clockwise
until it stops
Re-tighten the connecting portion with
Leakage
Locate a repair leak
Purge the air, push the pin on the service port of the 3-way valve for three
r
l Leakage checking
F Check a gas-leakage of the connection portion of the piping.
F If there is no leakage found, open 2-way again, turn the valve spindle coun-
ter-clockwise until it stops.
F If there is leakage found, re-tighten the connecting portion with wrench. If the
leakage persists, locate a leakage and repair it until leakage ceases.
Open 2valve spindle counter-
No leakage found
Leakage found
wrench
Leakage ceases
seconds with a hexagonal wrench, wait for one minute. Repeat the operation fo
three times.
l Air purging
F To purge the air, push the pin on the service port of 3-way valve for three sec-
onds with a hexagonal wrench, wait for one minute.
F Repeat the operation three times.
Model No:
Version 1.0
33
l Set the both 2-way and 3-way valves to open position with the hexagonal wrench
for the unit operation.
l Checking a gas leakage for the left piping
F connect the manifold gauge to the service port of 3-way valve. Measure the
pressure.
F Keep it for 5~10 minutes. Ensure if the pressure indicated on the gauge is as
same as that of measured at the first time.
l Follow the result of right side piping.
l The additional gas for air purging has been charged in the outdoor unit. However,
if the flare connections have not been done correctly and gas leaks a gas cylinder and the charge set will be needed.
Model No: AC -S7CK_S7HK
Version 1.0
34
CHAPTER 8: 2-WAY, 3-WAY VALVE
2-way Valve(Liquid Side) 3-way Valve(Gas Side)
Works Spindle position Spindle position Service port
Shipping
Air purging
(Installation)
Operation
Pumping down
(Transferring)
Evacuation
(Servicing)
Gas charging
(Servicing)
Pressure check
(Servicing)
Gas releasing
(Servicing)
Closed
(with valve cap)
Open
(counter-clockwise)
Open
(with valve cap)
Closed
(clockwise)
Open Open
Open Open
Open Open
Open Open
Closed
(with valve cap)
Closed
(clockwise)
Open
(with valve cap)
Open
(counter-clockwis
e)
Closed
(with cap)
Open
(push-pin)
Closed
(with cap)
Open
(connected manifold
gauge)
Open
(with charging
cylinder)
Open
(with charging
cylinder)
Open
(with charging
cylinder)
Open
(with charging
cylinder)
Model No: AC -S7CK_S7HK
Version 1.0
35
1. AIR PURGING (INSTALLATION)
l Required tools: hexagonal wrench, adjustable wrench, torque wrenches, wrench
to hold the joints, and gas leak detector.
l The additional gas for air purging has been charged in the outdoor unit. However,
if the flare connections have not been done correctly and gas leaks, a gas cylinder and the charge set will be needed.
l The air in the indoor unit and in the piping must be purged. If air remains in the
refrigerant pipes, it will affect the compressor, reduce the cooling and heating
capacity, and could lead to a malfunction.
l Be sure to use a torque wrench to tighten the service port cap (after using the
service port), so that it prevents the gas leakage from the refrigeration cycle.
l Caution: Do not leak the gas in the air during air purging.
l Air purging procedure
F Recheck the piping connections.
F Open the valve spindle of the 2-way valve counter-clockwise proximately
90°°,wait 10 seconds, and then set it to closed position. Be sure to use a hex-
agonal wrench to operate the spindle.
Model No: AC -S7CK_S7HK
Version 1.0
36
F Check the flare connections for refrigerant gas leakage.
F Purge the air from the system. Set the 2-way valve to the open position and
remove the cap from the 3-way valve’s service port. Using the hexagonal wrench
to press the valve core pin, discharge for three seconds and then wait for one
minute. Repeat this three times.
F Use torque wrench to tighten the service port cap to a torque of 1.8kg.cm.
F Set the 3-way valve to the back seat.
F Mount the valve caps to the 2-way and 3-way valves.
F Check for gas leakage. At this time, especially check for gas leakage from the
2-way and 3-way valve’s caps, and from the service port cap.
l Caution: If gas leakage is discovered, take the following measures.
F If the gas leakage stops when the piping connections are tightened fur-
ther ,continue working.
F If the gas leakage does not stop when the piping connections are tightened,
repair the location of the leakage, discharge all of the gas through the service
port, and then recharge with the specified amount of gas from a gas cylinder.
2. PUMPING DOWN (BEFORE RE-INSTALLATION)
Model No: AC -S7CK_S7HK
Version 1.0
37
AC -S7CK_S7HK
l Confirm that both the 2-way and 3-way valves are set to the open position.
F Remove the valve caps and confirm that the valve spindles are in the open
position.
F Be sure to use a hexagonal wrench to operate the valve spindle.
l Operate the unit for 10~15 minutes.
l Stop operation and wait for 3 minutes, then connect the charge set to the service
port of the3-way valve.
F Connect the charge hose with the push pin to the service port.
l Air purging of the charge hose
F Open the low-pressure valve on the charge set slightly to purge air from the
charge hose.
l Set the 2-way valve to the closed position.
l Operate the air conditioner at the cooling cycle and stop it when the gauge indi-
cates 1kg/cm2.g.
l Immediately set the 3-way valve to the closed position.
F Do this quickly so that the gauge ends up indicating 3 to 5kg/cm2.g.
l Disconnect the charge set, and amount the 2-way and 3-way valve’s caps and
the service port cap.
F Use torque wrench to tighten the service port cap to a torque of 1.8 kg.m.
F Be sure to check for gas leakage.
3. RE-AIR PURGING FOR RE-INSTALLATION
l Confirm that both the 2-way valve and the 3-way valve are set to the closed
position.
l Connect the charge set and a gas cylinder to the service port of the 3-way valve.
F Leave the valve on the gas cylinder closed.
l Air purging
F Open the valves on the gas cylinder and the charge set. Purge the air by loos-
ening the flare nut on the 2-way valve approximately 45°°for 3 seconds, then
Model No:
Version 1.0
38
closing it for 1 minute. Repeat 3 times.
F After purging the air, use a torque wrench to tighten the flare nut on the 2-way
valve.
l Check the flare connections for gas leakage.
l Disconnect the charge set and the gas cylinder, and set the 2-way and 3-way
valves to the open position.
F Be sure to use a hexagonal wrench to operate the valve spindles.
l Mount the valve caps and the service port cap.
F Use torque wrench to tighten the service port cap to a torque of 1.8kg.m.
F Be sure to check for gas leakage.
l Caution: Do not leak the gas in the air during air purging.
4. BALANCE REFRIGERANT OF THE 2-WAY, 3-WAY VALVES (GAS LEAKED)
l Confirm that both the 2-way and 3-way valves are set to the back seat.
l Connect the charge set to the 3-way valve’s service port.
Model No: AC -S7CK_S7HK
Version 1.0
39
F Leave the valve on the charge set closed.
F Connect the charge hose with the push pin to the service port.
l Open the valve (Low side)on the charge set and discharged the refrigerant until
the gauge indicates 0kg/cm2.g.
F If there is no air in the refrigerant cycle (the pressure when the air conditioner is
not running is higher than 1 kg/cm2.g),discharge the refrigerant until the gauge
indicates 0.5 to 1 kg/cm2.g.If this is the case, it will not be necessary to apply an
evacuation.
F Discharge the refrigerant gradually. If it is discharged too suddenly, the refrigera-
tion oil will also be discharged.
5. EVACUATION (ALL AMOUNT OF REFRIGERANT LEAKED)
l Connect the vacuum pump to the charge set’s center hose.
l Evacuating for approximately one hour.
F Confirm that the gauge needle has moved toward -76cmHg (vacuum of 4
mmHg or less)
Model No: AC -S7CK_S7HK
Version 1.0
40
l Close the valve (Low side) on the charge set, turn off the vacuum pump, and
confirm that the gauge needle does not move (approximately 5 minutes after
turning off the vacuum pump).
l Disconnect the charge hose from the vacuum pump.
F If the vacuum pump oil becomes dirty or depleted, replenish as needed.
6. GAS CHARGING (AFTER EVACUATION)
l Connect the charge hose to the charging cylinder.
F Connect the charge hose which you disconnected from the vacuum pump to the
valve at the bottom of the cylinder.
F If you are using a gas cylinder ,also use a scale and level the cylinder so that the
system can be charged with liquid.
l Purge the air from the charge hose.
F Open the valve at the bottom of the cylinder and press the check valve on the
charge set to purge the air.(Be careful of the liquid refrigerant).The procedure is
the same if using a gas cylinder.
l Open the valve (Low side on the charge set) and charge the system with liquid
Model No: AC -S7CK_S7HK
Version 1.0
41
refrigerant.
F If the system can not be charged with the specified amount of refrigerant, it can
be charged with a little at a time (approximately 150g each time) while operating
the air conditioner in the cooling cycle. However, one time is not sufficient, wait
approximately 1 minute and then repeat the procedure (pumping down pin).
F This is different from previous procedures. Because you are charging with liquid
refrigerant from the gas side, absolutely do not attempt to charge with larger
amounts of liquid refrigerant while operating the air conditioner.
l Immediately disconnect the charge hose from the 3-way valve’s service port.
F Stopping partway will allow the gas to be discharged.
F If the system has been charged with liquid refrigerant while operating the air
conditioner before disconnecting the hose.
l Mount the valve caps and service port cap.
F Use torque wrench to tighten the service port cap to a torque of 1.8kg.m.
F Be sure to check for gas leakage.
Model No: AC -S7CK_S7HK
Version 1.0
42
AC -S7CK_S7HK
Dusty condenser
Excessive amount of
Inefficient
Clogged strainer or
Gas side
Measure gas side
CHAPTER 9: TROUBLESHOOTING
1. REFRIGERATION CYCLE SYSTEM
l In order to diagnose malfunctions, make sure that there is no electrical problems
before inspecting the refrigeration cycle. Such problems include insufficient
thermal insulation, problem with the power supply, malfunction of a compressor
and indoor or outdoor fan motor.
l The normal indoor outlet air temperature and pressure of the refrigeration cycle
depends upon various conditions. The standard values for them are shown in the
following table.
Normal Pressure and Outlet Air Temperature
Gas Pressure
MPa(kg/cm2.g)
Cooling Mode 0.4~0.6(4~6) 12~16
*Condition: Indoor fan speed: High ; Outdoor DB temperature:35
l Checking procedure
Difference in the intake
And outlet air temperature
Less than 8oC at the cooling operation
Value of electric current
during operation
Normal
Preventing heat
radiation
refrigerant
Insufficient refrigerant
pressure
Outlet Air Temperature
l Measure the air temp.
difference (oC)
l Measure
electric
current
during
operation
l
pressure from the
service port of
the
3-way valve
capillary tube
Model No:
Version 1.0
43
Heat radiation deficiency of the
2. RELATION BETWEEN THE CONDITION OF THE AIR CONDITIONER AND
PRESSURE AND ELECTRIC CURRENT IN COOLING OPERATION
l Carry out the measurements of pressure, electric current and temperature fifteen
minutes after an operation is started.
Condition of the air conditioner Lower pressure High pressure
Insufficient refrigerant
(gas leakage)
Clogged capillary tube or
strainer
Short circuit in the indoor unit Decreased Decreased Decreased
Nature of fault Symptom
Inefficient compressing of
a compressor
outdoor unit
Inefficient compression Increased Decreased Decreased
3. DIAGNOSIS METHODS OF A MALFUNCTION OF A COMPRESSOR
Electric current during
operation
Decreased Decreased Decreased
Decreased Decreased Decreased
Increased Increased Increased
F Electric current during operation becomes approximately
20% lower than the normal value.
F The discharge tube of the compressor becomes abnormally
hot (normally 70 to 90)
F The difference between high pressure and low pressure
becomes almost zero.
Locked compressor F Electric current reaches a high level abnormally, and the
value exceeds the limit of an ammeter . In some cases, a
breaker turns OFF.
F The compressor has a humming sound.
Model No: AC -S7CK_S7HK
Version 1.0
44
AC -S7CK_S7HK
4. TROUBLE SUSPENSION TABLE
SYMPTON PROBABLE CAUSE CORRECTIVE ACTION
The RUN indicator
(green)does not light up
The indoor fan does not
function correctly
The outdoor fan does not
function correctly
The power source voltage is
lower than 198V
No voltage Repair general wiring
Correct voltage
The remote controller
batteries are used up
No voltage between indoor
fan motor terminals
Indoor fan motor is broken Replace indoor fan motor
No voltage between outdoor
fan motor terminals on the
indoor power P.C.B
No voltage between outdoor
fan motor terminals on the
outdoor unit
Outdoor fan is blocked Remove obstructions
Repair the power supply
Replace control P.C.B or
display P.C.B
Reload new batteries
Replace the control P.C.B
Replace the control P.C.B
Check and repair electrical
wiring between indoor and
outdoor units
The compressor does not
start up
Outdoor fan motor is broken Replace outdoor fan motor
Outdoor fan motor capacitor
is broken
No voltage between
compressor terminals on the
indoor unit
Low voltage between
compressor terminals on the
indoor unit
No voltage between
compressor terminals on the
outdoor unit
The running capacitor is
broken
OLP of compressor trips Wait for one hour or so
Compressor winding shorted
or broken
Replace capacitor
Repair control P.C.B
Repair control P.C.B
Repair electrical wiring
between indoor and outdoor
units
Replace running capacitor
Replace compressor
Model No:
Version 1.0
45
AC -S7CK_S7HK
SYMPTON PROBABLE CAUSE CORRECTIVE ACTION
The refrigeration
system does not
function correctly
No cooling or
heating, only
indoor fan
operates
No cooling or
heating, indoor and
outdoor fan
operate
Water accumulates
and overflows from
indoor unit
Check for leakage or restriction
with ammeter, pressure gauge
or surface thermometer
something wrong with power
P.C.B
Outdoor fan motor faulty or other
fault caused compressor OLP
trips
Compressor OLP trips because
of low voltage, high
temperature,R22 leakage, little
outdoor air circulation and etc
Running capacitor faulty Replace running capacitor
Compressor is broken Replace compressor
Drainage hose or port of
drainage pan clogged
Repair refrigeration system and
charge refrigerant if necessary
Replace control P.C.B
Remove obstruction or other fault
Check the problems and try
again one hour later
Remove clogged dirt
Power supply failure Repair power supply
The air conditioner
does not function
at all with remote
controller or AUX
switch button on
the indoor unit
The secondary voltage of
transformer is approximately
17VAC
The secondary voltage of
transformer is not approximately
17VAC
Replace control P.C.B
Replace transformer
5. Checking procedure of control circuit
Note: Do not check indoor and outdoor units at the same time. Be sure to check them
one by one.
Model No:
Version 1.0
46
AC -S7CK_S7HK
Is the measured
Use a tester to measure
outdoor unit
between “L” and “N”
The machine does not function
at all with remote controller and
EMERGENCY button on the
indoor unit.
Replace the transformer
with a new one.
Model No:
Version 1.0
Correct
power supply
of terminal board?
None of the three
LEDs is ON
Yes
Measure the secondary
voltage of transformer
Is the connecting
cord correctly
connected?
value approx.
17.0 V AC?
Yes
Replace the control P.C.B.
with a new one.
Is the fuse
down?
Replace the fuse and
varister with new ones
Correct the
connecting
cord correctly
the voltage between “L”
and “N” of terminal
board on the
Check the electric
circuit on the outdoor
unit
47
signal of the remote
one.
Table.
Model No: AC -S7CK_S7HK
Version 1.0
The machine does not function
with the remote controller.
Push the ON/OFF button on the
wireless remote controller.
Is transmitting
controller active?
YES
Does beep sound
from the indoor
unit?
NO
Does connector of
display P.C.B.
connect in place?
YES
Using a tester, measure the
voltage of the receiver on
display P.C.B.assembly.
Push the ON/OFF button
on the remote controller.
When the signal is
received, does the
voltage change?
Replace the control P.C.B.
assembly with a new one
NO
Are batteries of
remote controller
proper?
Replace the wireless
remote controller.
YES
Is indicator lamp
of indoor unit
proper?
Is timer lamp
of indoor unit
flashing?
Replace the control
P.C.B.assembly
YES
YES
NO
NO
NO
Replace the batteries
with new ones.
YES
Indoor unit is normal.
Inspect the outdoor
Unit or refer to
trouble
Suspension Table.
Refer to
Trouble
Suspension
NO
Replace the display
P.C.B.
assembly with a new
YES
48
The room is not cooled at all or not cooled enough
in cooling operation.
The room is not heated at all or not heated enough
in heating operation.
The compressor does not operate.
Push the buttons EMERGENCY
on the indoor unit.
Refer to Trouble Suspension Table
Measure the resistances of room temperature
and indoor pipe temperature thermisters.
Some of the three indicator LEDs are lit.
Measure the secondary voltage of transformer.
Replace the control P.C.B. with a new one.
Is the measured
value approximately
17.0 V AC?
YES
NO
Replace the transformer
with a new one.
NO
Is the fuse
breakdown?
YES
Replace the fuse and varister
with a new one.
Model No: AC -S7CK_S7HK
Version 1.0
49
AC -S7CK_S7HK
CHAPTER 10: EXPLODED DRAWINGS
1. Exploded view of indoor unit for model: AC-S7CK, AC-7SHK
Model No:
Version 1.0
50
AC -S7CK_S7HK
2. Exploded view of outdoor unit for model: AC-S7CK
Model No:
Version 1.0
51
AC -S7CK_S7HK
3. Exploded view of outdoor unit for model: AC-S7HK
Model No:
Version 1.0
52
CHAPTER 11: PART LIST
1. Part List of Indoor Unit for AC-S7CK
No. DESCRIPTION Part No. Q’ty
1 Installation Plate 1101297 1
2 Chassis 1002110 1
3 Indoor Fan 1402283 1
4 Bearing 120268 1
5 Evaporator Assembly 8130118 1
6 Cabinet 2107261 1
7 Air Filter 1306145 2
8 Front Cover 8100636 1
9 Safety Cover 2109232 1
10 Bearing Support 100251 1
11 Left Louver Link 1201291 1
12 Vertical Deflector A 1201288 2
13 Pipe Assembly (AC-S7/10CK) 81303151 1
13a Pipe Assembly (AC-S13CK) 81303174 1
14 Draining Pan 210691 1
15 Motor Fixing Ring 1203179 1
16 Display PCB 8140921 1
17 Power Supply Cord Clamp2
Power Supply Cord Clamp1
18 Terminal Board 3PS 150265 1
19 Terminal Fixer 1109245 1
20 Control PCB (AC-S7/10CK) 8140943 1
20a Control PCB (AC-S13CK) 8140928
21 Indoor Fan Motor 1402153 1
22 Transformer 814051 1
23 Electric Box 1005213 1
24 Power Supply Cord 1501185 1
25 Power Supply Cord Clamp 1203185 1
26 Terminal Board 3PU 150264 1
27 Power Supply PCB (AC-S7/10CK) 8140944 1
27a Power Supply PCB (AC-S13CK) 8140926 1
28 Water Preventive Plate 1203393 1
29 Drain Hose 210995 1
30 Support 1201292 1
31 Upper Louver Link 1201290 2
32 Vertical Deflector B 1201289 10
33 Louver Motor 1402136 1
34 Right Louver Link 1201293 1
35 Horizontal Louver 1201381 1
36 Remote Controller 1401394 1
37 Thermistor 1411366 1
Model No: AC -S7CK_S7HK
Version 1.0
110963
1109147
1
1
53
2. Part List of Outdoor Unit for AC-S7CK
No. DESCRIPTION Part No. Q’ty
1 Top Cover 810136 1
2 Condenser 8130226 1
3 Motor Stay Bracket 811022 1
4 Outdoor Fan Motor 1402371 1
5 Outdoor Fan 1402181 1
6 Cabinet 810065 1
7 Fan Guard 821072 1
8 Back Lattice Plate
9 Electrical Assembly 8140117 1
10 Electrical Assembly Plate 821022 1
11 Electrical Assembly Seal 1
12 Power Supply Cord Clamp 1 110963 1
13 Power Supply Cord Clamp 2 1109147 1
14 Terminal Board 2U 150217(A) 2
15 Terminal Board 3PU 150264 1
16 Fan motor Capacitor 141111 1
17 Compressor Capacitor 14111418 1
18 Power Supply Cord 1501545 1
19 Capacitor Fixing Ring 812031 1
20 Bulkhead 811094 1
21 Chassis 810027 1
22 Compressor 1304297 1
23 Right Side Plate 810038 1
24 Valve Fixing Plate 811092 1
25 Terminal Cover 821021 1
26 3 Way Valve Assembly 8130917 1
27 2 Way Valve Assembly 8130916 1
28 Suction Pipe 81303149 1
29 Discharging Pipe 81303150 1
30 Capillary Tube Assembly 81303143 1
Model No: AC -S7CK_S7HK
Version 1.0
60
AC -S7CK_S7HK
3. Part List of Indoor Unit for AC-S7HK
No. DESCRIPTION Part No. Q’ty
1 Installation Plate 1101297 1
2 Chassis 1002110 1
3 Indoor Fan 1402283 1
4 Bearing 120268 1
5 Evaporator Assembly 8130118 1
6 Cabinet 2107261 1
7 Air Filter 1306145 2
8 Front Cover 8100636 1
9 Safety Cover 2109232 1
10 Bearing Support 100251 1
11 Left Louver Link 1201291 1
12 Vertical Deflector A 1201288 2
13 Pipe Assembly 81303151 1
13a Pipe Assembly 81303174 1
14 Draining Pan 210691 1
15 Motor Fixing Ring 1203179 1
16 Display PCB 8140921 1
17 Power Supply Cord Clamp2
Power Supply Cord Clamp1
18 Terminal Board 5PU 150262 1
19 Terminal Fixer 1109245 1
20 Control PCB (AC-S7/10HK) 8140943 1
20a Control PCB (AC-S13HK) 8140976
21 Indoor Fan Motor 1402153 1
22 Transformer 814051 1
23 Electric Box 1005213 1
24 Power Supply Cord 1501185 1
25 Power Supply Cord Clamp 1203185 1
26 Terminal Board 3PS 150265 1
27 Power Supply PCB (AC-S7/10HK) 8140942 1
27a Power Supply PCB (AC-S13HK) 8140975 1
28 Water Preventive Plate 1203393 1
29 Drain Hose 210995 1
30 Support 1201292 1
31 Upper Louver Link 1201290 2
32 Vertical Deflector B 1201289 10
33 Louver Motor 1402136 1
34 Right Louver Link 1201293 1
35 Horizontal Louver 1201381 1
36 Remote Controller 1401394 1
37 Thermistor 1411366 1
110963
1109147
1
1
Model No:
Version 1.0
55
4. Part List of Outdoor Unit for AC-S7HK
No. DESCRIPTION Part No. Q’ty
1 Top Cover 810136 1
2 Condenser 8130226 1
3 Motor Stay Bracket 811022 1
4 Outdoor Fan Motor 1402371 1
5 Outdoor Fan 1402181 1
6 Cabinet 810065 1
7 Fan Guard 821072 1
8 Back Lattice Plate
9 Electrical Assembly 8140117 1
10 Electrical Assembly Plate 821022 1
11 Electrical Assembly Seal 1
12 Power Supply Cord Clamp 1 110963 1
13 Power Supply Cord Clamp 2 1109147 1
14 Terminal Board 2U 150217(A) 2
15 Terminal Board 3PU 150264 1
16 Fan motor Capacitor 141111 1
17 Compressor Capacitor 14111418 1
18 Power Supply Cord 1501545 1
19 Capacitor Fixing Ring 812031 1
20 Bulkhead 811094 1
21 Chassis 810027 1
22 Compressor 1304297 1
23 Right Side Plate 810038 1
24 Valve Fixing Plate 811092 1
25 Terminal Cover 821021 1
26 3 Way Valve Assembly 8130917 1
27 2 Way Valve Assembly 8130916 1
28 4 Way Valve 141187 1
28a 4 Way Valve Coil 1411458 1
29 Capillary Tube Assembly 81303135 1
Model No: AC -S7CK_S7HK
Version 1.0
APPENDIX AAPPENDIX A
Description
Akira Model No. AC-S7CK AC-S7HK AC-S10CK AC-S10HK AC-S13CK AC-S13HK AC-S19CK AC-S19HK AC-S24CK AC-S24HK
Type (Cool only / Heat Pump) C C/H C C/H C C/H C C/H C C/H
Cooling Capacity (Btu)
Heating Capacity (Btu)
Power Input (W)
Current (A)
EER (Btu/Hw)
Indoor Noise (H/L)
Circulation Air Flow(m3/h)
Indoor Unit (WxDxH)mm
Indoor Unit Carton (WxDxH)mm
Outdoor Unit (WxDxH)mm
Outdoor Unit Carton (WxDxH)mm
Indoor N/G Wt (kg) 8.0/10 8.0/10 8.0/10 8.0/10 8.0/10 8.0/10 11.0/14 11.0/14 13.2/21 13.2/21
Outdoor N/G Wt (kg) 26.0/31 30.0/35 28.0/33 30.0/35 28.0/33 34.0/39 50.0/58 53.0/61 55.0/63 56.0/64
Compressor Brand Mitsubishi Toshiba LG Toshiba
Gas Pipe Diameter
Liquid Pipe Diameter
Piping (m)
40HQ CTN Loading
7000
N/V
Mitsubishi LG
7000
730
3.4
9.1
420 420 480 750 780
3/8" (or 10mm)
10000 13000 19000
N/V
770x179x240
830x240x310
755x252x530
890x350x580
10000
800 1425 1590 2700
9.0 8.6
35/30Db 38/33Db 43/37Db35/30Db 40
245 sets 152 sets 123 sets
Singapore / AKIRASingapore / AKIRA
N/V
13000
6.23.7
1/2" (or 12mm)
1/4" (or 6mm)1/4" (or 6mm)
55
N/V
897x179x297
1010x300x410
800x268x637
975x400x755
19000
7.5
10 8.89
24000
N/V
12.5
1025x203x3139
1130x300x395
832x380x702
970x765x410
Hitachi
5/8" (or 16mm)
3/8" (or 10mm)
24000
Indoor Unit Picture
Loading...