Instrukcja obsługi Akira AC-S7 (56 stron)

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Model No: AC-S7CK_S7HK

Version 1.0

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Model :

AC-S7CK

AC-S7HK

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Model No: AC -S7CK_S7HK

Version 1.0

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

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Model No: AC -S7CK_S7HK

Version 1.0

CHAPTER 1: FEATURES

MODE DESCRIPTION

COOLING Cools, dehumidifies and filters the room air. Maintains desired room temperature.

HEATING Heats and filters the room air. Maintains desired room temperature.

SMART Operates the appliance at COOLING, HEATING or DRY mode, maintaining desired

temperature dependent upon the room temperature.

DRY 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.

FAN ONLY Re-circulates and filters the room air. Maintains constant air movement in the room.

SLEEP 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.

AUTO FAN

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.

FAN SPEED

HIGH

MEDIUM

LOW

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

Press DOWN button once, the set temperature is decreased by 1 o .

Press UP button once, the set temperature is increased by 1 o .

TIMER

Automatically switches the appliance ON at preset time intervals, ensuring a comfortable

environment before you return home, or switches OFF the appliance automatically

when

you sleep without wasting electricity.

Auto -restart When the power supply restores after its failure, the machine will start to work

automatically with the previous setting parameters.

SUPER Strong cooling when you just come into your room and wan

t to cool the room as soon as

possible.

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Model No: AC -S7CK_S7HK

Version 1.0

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

oC /6oC

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

outdoor DB/WB temperature: 35oC /24oC

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Model No:

AC -S7CK_S7HK

Version 1.0

Indoor unit

Pipe length is

15 meters Max

Outdoor unit

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Indoor unit

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5

m

Curled tube for

returning water

Outdoor unit

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.

l Outside diameter of the refrigerant piping is as following.

Models OD of liquid pipe

(small pipe)

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 &

HEAT PUMP)

6mm or 1/4 inch 12mm or 1/2 inch

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CHAPTER 4: REMOTE CONTROLLER

The remote controller transmits signals to the system.

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

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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:

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Version 1.0

Indication symbols on LCD:

Signal transmit.

Smart indicator Dry indicator

Fan only indicator

Sleep indicator Heating indicator

Cooling indicator

Super indicator High fan speed

Medium fan speed

Low fan speed

Auto fan speed

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Version 1.0

CHAPTER 5: REFRIGERATION CYCLE

1. Cooling only appliance

ÖÆÀäÏµÍ³Í¼

Indoor unit

evaporator

liquid side

gas side

3-way valve

2-way valve

Outdoor unit

accumulator

compressor

condenser

capillary

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2. Heat pump

¼¼Êõ²ÎÊý:

Indoor unit

evaporator

liquid side

gas side

3-way valve 2-way valve

check valve

Outdoor unit

accumulator

compressor

condenser

reverse valve capillary

heating cooling

defrost

Flow of refrigerant

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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.

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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 o

C 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:

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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 1

oC. 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-

ROOM TEMP.

SET TEMP.+1¡æ

(COMP.ON)

SET TEMP.-1¡æ

(COMP. OFF)

Indoor fan motor

speed

Compressor

Outdoor fan motor

set

speed

low

speed

set

speed

low

speed

set

speed

ON OFF ON OFF ON

More than

3 mins

More than

3 mins

set set

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Version 1.0

SET TEMP.+4.5¡æ

(COMP. OFF)

SET TEMP.+2.5¡æ

(COMP. ON)

ROOM TEMP.

More than

3 mins

30 secs 30 secs

Indoor fan motor speed

**

set

speed

UL OFF

set

speed

OFF

UL

Compressor ON OFF ON OFF

Outdoor fan motor ON OFF ON OFF

* The indoor fan motor is controlled by Cold Air Preventive System.

A

BAB

*

1

o

tion diagram is shown as following.

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)

Set Temp +1

o

(Comp Off)

Set Temp -1

o

(Comp On)

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Version 1.0

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 Over 26oC Below 26oC

Preset temperature 26oC Intake air temperature minus

1.5oC

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.

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Version 1.0

Intake air temperature at

operation start Over 26oC 21oC ~ 26oC Below 21oC

Preset temperature 26oC Intake air temperature at

operation start 22oC

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.

Set temp.+3¡æ

Intake air temp.

Indoor fan

motor speed

Low High

Indoor pipe temperature risesIndoor pipe temperature rises Indoor pipe temperature falls

Set temp.+1¡æ

Intake air temp.

Set temp.

Set temp.+2¡æ

High Medium

Indoor fan

motor speed

Set temp.+1¡æ

Medium Low

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Version 1.0

l The operation procedure of HEATING is as following.

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

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

Indoor pipe temperature risesIndoor pipe temperature rises Indoor pipe temperature falls

Medium Low

Indoor fan

motor speed

Intake air temp.

Set temp.-2¡æ

Set temp.

Intake air temp.

Set temp.-1¡æ

Set temp.-3¡æ

Low

High

HighMedium

Indoor fan

motor speed

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Version 1.0

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

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Version 1.0

Preventive System.

l The HEATING and defrosting operation is alternated as following.

l The defrosting procedure is shown as following.

Switch ON

Heating

Min 50 mins

Heating

Min 50 mins

Heating

Min 50 mins

Defrosting

Max 10 mins

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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.

l When selecting HEATING operation with SLEEP mode, the setting temperature

will be decreased by 3oC during successive 3 hours later. The operation will

Set temp.

Max 8 hours

2 hours

1 hour

0.5¡æ

SLEEP START SLEEP STOP

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Version 1.0

stop in 8 hours. The operation diagram is as following.

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.

Max 8 hours

1 hour

2 hours

3 hours

1¡æ

2¡æ

3¡æ

Sleep start Sleep stop

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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.

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F Cut the cable a 1.5m longer than the pipe length.

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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.

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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.

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Version 1.0

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.

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Version 1.0

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(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 Connecting the cable to the outdoor unit as shown in OPERATING AND

INSTALLATION INSTRUCTIONS MANUAL.

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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).

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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.

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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.

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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.

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.

No leakage found

Leakage found

Open 2-

way valve again, turn the

valve spindle counter-

clockwise

until it stops

Re-tighten the connecting portion with

wrench

Leakage ceases

Leakage

persists

Locate a repair leak

Purge the air, push the pin on the service port of the 3-way valve for three

seconds with a hexagonal wrench, wait for one minute. Repeat the operation fo

r

three times.

33

Model No: AC -S7CK_S7HK

Version 1.0

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 cylin-

der and the charge set will be needed.

34

Model No: AC -S7CK_S7HK

Version 1.0

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 Closed

(with valve cap) Closed

(with cap)

Air purging

(Installation) Open

(counter-clockwise) Closed

(clockwise) Open

(push-pin)

Operation Open

(with valve cap) Open

(with valve cap) Closed

(with cap)

Pumping down

(Transferring) Closed

(clockwise)

Open

(counter-clockwis

e)

Open

(connected manifold

gauge)

Evacuation

(Servicing) Open Open Open

(with charging

cylinder)

Gas charging

(Servicing) Open Open Open

(with charging

cylinder)

Pressure check

(Servicing) Open Open Open

(with charging

cylinder)

Gas releasing

(Servicing) Open Open Open

(with charging

cylinder)

Marka:	Akira
Kategoria:	Klimatyzator
Model:	AC-S7

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