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Page 29

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Air Evacuation

Preparations and Precautions

Air and foreign matter in the refrigerant circuit

can cause abnormal rises in pressure, which

can damage the air conditioner, reduce its

efficiency, and cause injury. Use a vacuum pump

and manifold gauge to evacuate the refrigerant

circuit, removing any non-condensable gas and

moisture from the system.
Evacuation should be performed upon initial

installation and when unit is relocated.

BEFORE PERFORMING EVACUATION



Check to make sure that both high-

pressure and low-pressure pipes between

the indoor and outdoor units are

connected properly in accordance with the

Refrigerant Piping Connection section of

this manual.



Check to make sure all wiring is connected

properly.

Evacuation Instructions

Before using the manifold gauge and vacuum

pump, read their operation manuals to familiarize

yourself with how to use them properly.

Manifold Gauge

Compound gauge

-76cmHg

Low pressure valve

High pressure
valve

Pressure hose /
Charge hose

Charge hose

Vacuum
pump

Pressure gauge

Low pressure valve

1. Connect the charge hose of the manifold

gauge to service port on the outdoor unit’s

low pressure valve.

2. Connect another charge hose from the

manifold gauge to the vacuum pump.

Fig. 6.1

Air Evacuation

Содержание WAS series

Страница 1: ...ORTANT NOTE Read this manual carefully before installing or operating your new air conditioning unit Make sure to save this manual for future reference SPLIT TYPE ROOM AIR CONDITIONER Installation Manual All Model Numbers ...

Страница 2: ...gerant piping 14 5 Connect drain hose 15 6 Connect signal cable 17 7 Wrap piping and cables 18 8 Connect indoor power wire 18 9 Mount indoor unit 18 Outdoor Unit Installation 20 8 1 Select installation location 20 2 Install drain joint 21 3 Anchor outdoor unit 22 4 Connect signal and power cables 23 Safety Precautions 4 0 1 5 Accessories 6 2 4 Unit Parts 10 3 Installation Summary Indoor Unit ...

Страница 3: ...ructions Refrigerant Piping 25 1 Cut pipe 25 2 Remove burrs 26 3 Flare pipe ends 26 4 Connect pipes 27 Air Evacuation 29 1 Evacuation Instructions 29 2 Note on Adding Refrigerant 30 Electrical and Gas Leak Checks 31 Test Run 32 European Disposal Guidelines 34 6 7 8 9 10 MC MC ...

Страница 4: ...the refrigeration cycle This can cause explosion and injury Do not allow children to play with the air conditioner Children must be supervised around the unit at all times 1 Installation must be performed by an authorized dealer or specialist Defective installation can cause water leakage electrical shock or fire 2 Installation must be performed according to the installation instructions Improper ...

Страница 5: ...xiliary electric heater do not install the unit within 1 meter 3 feet of any combustible materials Do not install the unit in a location that may be exposed to combustible gas leaks If combustible gas accumulates around the unit it may cause fire Do not operate your air conditioner in a wet room such as a bathroom or laundry room Too much exposure to water can cause electrical components to short ...

Страница 6: ...controller holder Dry battery AAA LR03 Air freshening filter Seal Drain joint Mounting plate 1 Accessories The air conditioning system comes with the following accessories Use all of the installation parts and accessories to install the air conditioner Improper installation may result in water leakage electrical shock and fire or cause the equipment to fail 5 5 2 1 Optional Parts 2 Page 6 ...

Страница 7: ...efore installing or operating your new air conditioning unit Make sure to save this manual for future reference Installation Manual Aurora Series All Model Numbers INVERTER SPLIT TYPE ROOM AIR CONDITIONER CS78421 548 754 IMPORTANT NOTE Read this manual carefully before installing or operating your new air conditioning unit Make sure to save this manual for future reference Remote controller illust...

Страница 8: ...tion Location Page 11 Attach Mounting Plate Page 12 Drill Wall Hole Page 12 Installation Summary Indoor Unit 2 Installation Overview Determine Wall Hole Position Page 12 1 2 3 4 12cm 4 75in 2 3m 90 55in 12cm 4 75in 15cm 5 9in ...

Страница 9: ... Page 9 Mount Indoor Unit Page 18 STEP 8 Wrap Piping and Cable Page 18 L N S Connect Piping Page 25 Connect Wiring Page 17 Prepare Drain Hose Page 14 5 6 7 8 9 Installation Overview ...

Страница 10: ...s The actual shape of your indoor unit may be slightly different The actual shape shall prevail Wall Mounting Plate Power Cable Some Units Refrigerant Piping Signal Cable Remote Control Some Units Drainage Pipe Louver Remote Holder Functional Filter On Front of Main Filter Some Units Front Panel Outdoor Unit Power Cable Some Units ...

Страница 11: ...brate Strong enough to support the weight of the unit A location at least one meter from all other electrical devices e g TV radio computer DO NOT install unit in the following locations Near any source of heat steam or combustible gas Near flammable items such as curtains or clothing Near any obstacle that might block air circulation Near the doorway In a location subject to direct sunlight NOTE ...

Страница 12: ... the wall by tightening the screws directly into the clip anchors Step 3 Drill wall hole for connective piping You must drill a hole in the wall for refrigerant piping the drainage pipe and the signal cable that will connect the indoor and outdoor units 1 Determine the location of the wall hole based on the position of the mounting plate Refer to Mounting Plate Dimensions on the next page to help ...

Страница 13: ...m 2 1in 47mm 1 85in 76mm 3in 53 5mm 2 1in 47mm 1 85in 148 7mm 5 85in 151mm 5 95in 174 3mm 6 85in Indoor unit outline 172mm 6 8in 362mm 14 25in Left rear wall hole 65mm 2 5in Right rear wall hole 65mm 2 5in Model E 1259mm 49 55in Indoor unit outline 52mm 2 05in 389mm 15 3in 332mm 13 05in 257mm 10 1in 52mm 2 05in Wall Indoor Outdoor m m 7 5 0 2 0 3in Fig 3 2 MOUNTING PLATE DIMENSIONS Different model...

Страница 14: ...is too difficult to remove by hand Knock out Panel 3 Use scissors to cut down the length of the insulating sleeve to reveal about 15cm 6in of the refrigerant piping This serves two purposes To facilitate the Refrigerant Piping Connection process To facilitate Gas Leak Checks and enable you to check for dents 4 If existing connective piping is already embedded in the wall proceed directly to the Co...

Страница 15: ...ur a small amount of water into the drain pan to make sure that water flows from the unit smoothly NOTE ON DRAIN HOSE PLACEMENT Make sure to arrange the drain hose according to Fig 3 5 DO NOT kink the drain hose DO NOT create a water trap DO NOT put the end of drain hose in water or a container that will collect water PLUG THE UNUSED DRAIN HOLE To prevent unwanted leaks you must plug the unused dr...

Страница 16: ...f 1 5 times the maximum current of the unit 6 If connecting power to fixed wiring a switch or circuit breaker that disconnects all poles and has a contact separation of at least 1 8in 3mm must be incorporated in the fixed wiring The qualified technician must use an approved circuit breaker or 7 Only connect the unit to an individual branch circuit outlet Do not connect another appliance to that ou...

Страница 17: ...e specifications of the fuse are printed on the circuit board such as T3 15A 250VAC T5A 250VAC etc 1 Prepare the cable for connection a Using wire strippers strip the rubber jacket from both ends of signal cable to reveal about 15cm 6in of the wires inside b Strip the insulation from the ends of the wires c Using wire crimper crimp u type lugs on the ends of the wires PAY ATTENTION TO LIVE WIRE Wh...

Страница 18: ...g 2 Using adhesive vinyl tape attach the drain hose to the underside of the refrigerant pipes 3 Using insulation tape wrap the signal wire refrigerant pipes and drain hose tightly together Double check that all items are bundled in accordance with Fig 3 12 DO NOT WRAP ENDS OF PIPING When wrapping the bundle keep the ends of the piping unwrapped You need to access them to test for leaks at the end ...

Страница 19: ...nstructions 4 Keep pipe connection point exposed to perform the leak test refer to Electrical Checks and Leak Checks section of this manual 5 After the leak test wrap the connection point with insulation tape 6 Remove the bracket or wedge that is propping up the unit 7 Using even pressure push down on the bottom half of the unit Keep pushing down until the unit snaps onto the hooks along the botto...

Страница 20: ...n support the unit and will not vibrate Noise from the unit will not disturb others Protected from prolonged periods of direct sunlight or rain DO NOT install unit in the following locations Near an obstacle that will block air inlets and outlets Near a public street crowded areas or where noise from the unit will disturb others Near animals or plants that will be harmed by hot air discharge Near ...

Страница 21: ...pe of outdoor unit If the drain joint comes with a rubber seal see Fig 4 4 A do the following 1 Fit the rubber seal on the end of the drain joint that will connect to the outdoor unit 2 Insert the drain joint into the hole in the base pan of the unit 3 Rotate the drain joint 90 until it clicks in place facing the front of the unit 4 Connect a drain hose extension not included to the drain joint to...

Страница 22: ...pansion bolt 5 Hammer expansion bolts into the pre drilled holes 6 Remove the nuts from expansion bolts and place outdoor unit on bolts 7 Put washer on each expansion bolt then replace the nuts 8 Using a wrench tighten each nut until snug WARNING Step 3 Anchor outdoor unit The outdoor unit can be anchored to the ground or to a wall mounted bracket UNIT MOUNTING DIMENSIONS The following is a list o...

Страница 23: ...cal codes and must be installed by a licensed electrician 2 All electrical connections must be made according to the Electrical Connection Diagram located on the side panels of the indoor and outdoor units 3 If there is a serious safety issue with the power supply stop work immediately Explain your reasoning to the client and refuse to install the unit until the safety issue is properly resolved 4...

Страница 24: ...elow the terminal block and place it to the side 4 Match the wire colors labels with the labels on the terminal block and firmly screw the u lug of each wire to its corresponding terminal 5 After checking to make sure every connection is secure loop the wires around to prevent rain water from flowing into the terminal 6 Using the cable clamp fasten the cable to the unit Screw the cable clamp down ...

Страница 25: ...it Air Conditioner 15 000 25 82ft 10 33ft 15 000 and 24 000 30 98 5ft 20 66ft 24 000 and 36 000 50 164ft 25 82ft 36 000 and 60 000 65 213ft 30 98 5ft Connection Instructions Refrigerant Piping Step 1 Cut pipes When preparing refrigerant pipes take extra care to cut and flare them properly This will ensure efficient operation and minimize the need for future maintenance 1 Measure the distance betwe...

Страница 26: ...PVC tape to prevent foreign materials from entering the pipe 2 Sheath the pipe with insulating material 3 Place flare nuts on both ends of pipe Make sure they are facing in the right direction because you can t put them on or change their direction after flaring See Fig 5 3 Flare nut Copper pipe 4 Remove PVC tape from ends of pipe when ready to perform flaring work 5 Clamp flare form on the end of...

Страница 27: ...25 1 500 11lb ft 1 600 11 8lb ft Ø 9 52 Ø 0 375 2 500 18 4lb ft 2 600 19 18lb ft Ø 12 7 Ø 0 5 3 500 25 8lb ft 3 600 26 55lb ft Ø 16 Ø 0 63 4 500 33 19lb ft 4 700 34 67lb ft DO NOT USE EXCESSIVE TORQUE Excessive force can break the nut or damage the refrigerant piping You must not exceed torque requirements shown in the table above Instructions for Connecting Piping to Indoor Unit 1 Align the cente...

Страница 28: ...and 4 Using a spanner grip the body of the valve Do not grip the nut that seals the service valve See Fig 5 10 USE SPANNE R TO GRIP MAIN BOD Y OF VALVE Torque from tightening the flare nut can snap off other parts of valve 5 While firmly gripping the body of the valve use a torque wrench to tighten the flare nut according to the correct torque values 6 Loosen the flaring nut slightly then tighten ...

Страница 29: ...controller holder Dry battery AAA LR03 Air freshening filter Seal Drain joint Mounting plate 1 Accessories The air conditioning system comes with the following accessories Use all of the installation parts and accessories to install the air conditioner Improper installation may result in water leakage electrical shock and fire or cause the equipment to fail 5 5 2 1 Optional Parts 2 Page 6 ...

Страница 30: ...ssure pipes between the indoor and outdoor units are connected properly in accordance with the Refrigerant Piping Connection section of this manual Check to make sure all wiring is connected properly Evacuation Instructions Before using the manifold gauge and vacuum pump read their operation manuals to familiarize yourself with how to use them properly Manifold Gauge Compound gauge 76cmHg Low pres...

Страница 31: ...ow pressure by hand You may tighten it further using a torque wrench if needed OPEN VALVE STEMS GENTLY When opening valve stems turn the hexagonal wrench until it hits against the stopper Do not try to force the valve to open further Note on Adding Refrigerant ADDITIONAL REFRIGERANT PER PIPE LENGTH Connective Pipe Length m Air Purging Method Additional Refrigerant Standard pipe length Vacuum Pump ...

Страница 32: ... the unit immediately and call a licensed electrician to find and resolve the cause of the leakage Note This may not be required for some locations in the US Gas Leak Checks There are two different methods to check for gas leaks Soap and Water Method Using a soft brush apply soapy water or liquid detergent to all pipe connection points on the indoor unit and outdoor unit The presence of bubbles in...

Страница 33: ...roller to turn it on 3 Press the MODE button to scroll through the following functions one at a time COOL Select lowest possible temperature HEAT Select highest possible temperature 4 Let each function run for 5 minutes and perform the following checks List of Checks to Perform PASS FAIL No electrical leakage Unit is properly grounded All electrical terminals properly covered Indoor and outdoor un...

Страница 34: ...e control return unit to normal operating temperature b Using insulation tape wrap the indoor refrigerant pipe connections that you left uncovered during the indoor unit installation process IF AMBIENT TEMPERATURE IS BELOW 17 C 63 F You can t use the remote controller to turn on the COOL function when the ambient temperature is below 17 C In this instance you can use the MANUAL CONTROL button to t...

Страница 35: ...options Dispose of the appliance at designated municipal electronic waste collection facility When buying a new appliance the retailer will take back the old appliance free of charge The manufacturer will take back the old appliance free of charge Sell the appliance to certified scrap metal dealers Special notice Disposing of this appliance in the forest or other natural surroundings endangers you...

Страница 36: ...CS368I AB 16122000002333 20150820 The design and specifications are subject to change without prior notice for product improvement Consult with the sales agency or manufacturer for details ...

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