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Name of Parts

8

1  Operating Control Panel

2  Emergency switch

3  Power Indicator Lamp

4  OPERATION Indicator Lamp

5  TIMER Indicator Lamp

6  Compressor Lamp

7  Remote receiver

8  Inlet Grill ( Filter inside )

9  Front panel

4

5

6

1

POWER

OPER

TIMER

EMER

2

COMP

3

for series 28,36,42,52

8

9

1

7

Summary of Contents for AC28NAFBEA

Page 1: ...AFBEA AC36NAFBEA AC42NAFBEA AC52NAFBEA EXPOSED CEILING FLOOR MOUNTING AIR CONDITIONER CONVERTIBLE CEILING FLOOR MOUNTING Please read this operation manual before using the air conditioner Please keep this manual carefully and safely 05 10 20 15 051123 2 ...

Page 2: ...Contents Cautions Safety Precautions Features and Functions Name of Parts Cleaning and Care Operation Tips Installation of Indoor Unit Trouble Shooting 1 2 3 4 5 7 8 9 10 11 25 26 27 ...

Page 3: ...o the environment The cardboard box may be broken or cut into smaller pieces and given to a waste paper disposal service The wrapping bag made of polyethylene and the polyethylene foam pads contain no fluorochloric hydrocarbon All these valuable materials may be taken to a waste collecting center and used again after adequate recycling Consult your local authorities for the name and address of the...

Page 4: ...ner s tubes with sharp or pointed items crushing or twisting any tubes or scraping the coatings off the surfaces If the refrigerant spurts out and gets into eyes it may result in serious eye injuries Do not obstruct or cover the ventilation grille of the air conditioner Do not put fingers or any other things into the inlet outlet and swing louver Do not allow children to play with the air conditio...

Page 5: ...n immediately turn off the circuit breaker and consult authorized service personnel For series 28 36 42 52 the breaker of the air conditioner should be all pole switch and the distance between its two contacts should be no less 3mm Such means for disconnection must be incorporation in the fixed wiring Use copper wire only All the cables shall have got the European authentication certificate For se...

Page 6: ...nstallation stand for damage Do not place animals or plants in the direct path of the air flow Do not drink the water drained from the air conditioner Do not use in applications involving the storage of foods plants or animals precision equipment or art works Do not apply any heavy pressure to radiator fins Operate only with air filters installed Do not block or cover the intake grill and outlet p...

Page 7: ... SLEEP button is pressed during Heating mode the air conditioner s thermostat setting gradually lowers during the period of operation When the set time is reached the unit automatically turns off WIRELESS REMOTE CONTROL UNIT The WIRELESS REMOTE CONTROL UNIT allows convenient control of air conditioner operation For this type unit the wireless remote controllor type is YR H50 MILDEW RESISTANT FILTE...

Page 8: ...the air direction range will change as follows Press the AIR FLOW DIRECTION VERTICAL SET button The vertical airflow direction is set automatically as shown in accordance with the type of operation selected Press the AIR FLOW DIRECTION HORIZONTAL SET button 1 2 3 4 5 5 4 3 2 1 Cool Dehumidification Fan Heat 1 2 3 4 5 1 2 3 4 5 Use the air direction adjustments within the ranges shown above ...

Page 9: ...rection louvers RIGHT LEFT 1 2 3 4 5 3 2 1 2 4 1 5 4 5 1 2 3 4 5 Air flow direction set Range of swing 1 2 3 4 5 1 1 2 3 1 to 3 to 3 to 4 to 5 to 5 all range Note When being switched on firstly the up down flap will be at the position of max angle In cooling the up down louver is not good to stay at position 4 5 for along time otherwise the dew will occur ...

Page 10: ...l 2 Emergency switch 3 Power Indicator Lamp 4 OPERATION Indicator Lamp 5 TIMER Indicator Lamp 6 Compressor Lamp 7 Remote receiver 8 Inlet Grill Filter inside 9 Front panel 4 5 6 1 POWER OPER TIMER EMER 2 COMP 3 for series 28 36 42 52 8 9 1 7 ...

Page 11: ...n used for extended periods the unit may accumulate dirt inside which reduces its performance We recommend that the unit is inspected regularly in addition to your own cleaning and care For more information consult authorized service personnel When cleaning the unit s body do not use water hotter than 40 C harsh abrasive cleansers or volatile agents like benzene or thinner Do not expose the unit b...

Page 12: ...l temporarily stop and the defrosting circuit will operate briefly for about 7 to 12 minutes During Automatic Defrosting operation the OPERATION Indicator Lamp will flash Trouble alarming performance During operation when there is any trouble the operation indicator lamp will flash with different times Operation Tips Temperature and Humidity Range If the air conditioner is used under higher temper...

Page 13: ... high salt content in the air c Near to hot spring with high content of sulfide gases d Area with frequent fluctuation of voltage e g factory etc e In vehicles or ships f Kitchen with heavy oil vapour or humidity g Near to the machine emitting electric magnetic waves h Places with acid alkali vapuor TV radio acoustic appliances etc are at least 1 m far away to the indoor unit outdoor unit power Ea...

Page 14: ...escribes for the correct connections so that the installation set available from our standard parts should be used 3 Installation work must be performed in accordance with national wiring standards by authorized personnel only 4 Never cut the power cord lengthen or shorten the cord or change the plug 5 Also do not use an extension cord 6 Plug in the power cord plug firmly If the receptacle is loos...

Page 15: ... the unit where it will be exposed to direct sunlight 6 Take servicing etc into consideration and leave the spaces shown in Fig 1 or 2 Also install the unit where the filter can be removed 4 Install the unit where connection to the outdoor unit is easy 5 Install the unit where the drain pipe can be easily installed Ceiling INDOOR UNIT 3 80mm over 6 150mm over 0 4 10mm over Ceiling panel INDOOR UNI...

Page 16: ... Parts name Adhesive tape Saddle L S with screws Drain hose Heat insulation material Piping hole cover Putty Plastic clamp A B C D E F G 1 2 3 4 5 1 2 4 1 1 2 2 4 No Accessory parts Qty Remote controller Battery Wire clamp Heat insulation sheathing Screw Screw cap Remote controller bracket 6 1 1 1 8 7 8 Flat washer 9 Rubber base foot 4 Small flat washer 10 4 ...

Page 17: ...wn in Fig 4 Ceiling Opening 1530mm 40mm 40mm Ceiling panel Suspension bolt should extend outward 30 to 50mm Ceiling Opening 640mm Ceiling panel 15mm 2 Remove the intake grilles 3 Remove the Side cover A Right and left side 4 This air conditioner can be set up to intake fresh air For information about how to install for fresh air intake refer to page 23 FRESH AIR INTAKE Suspension bolt should exten...

Page 18: ...ift unit so that suspension bolts pass through suspension fittings at the sides four places and slide the unit back See Fig 8 1 Drill 25mm holes at the suspension bolt locations The two special nuts are provided with the unit The M10 nut must be obtained locally Refer to Fig 5 2 Install the bolts then temporarily attach Special nuts A and B and a normal M10 nut to each bolt Ceiling panel 10 to 15 ...

Page 19: ...hen installing the indoor unit in a semi concesled orientation make sure to reinforce the insulation of the unit on all sides Drops of water may fall from the unit if it is not thoroughly insulated Glass wool insulate 10 to 20mm thick INDOOR UNIT Top view Wall Ceiling pannel 2 Fasten the indoor unit into place by tightening up the special B blots and the M10 nuts Make sure that unit is secure and ...

Page 20: ...an auxiliary pipe make sure that the fastener used is insulated in the sane way 18 Installation of Indoor Unit Indoor unit Nylon fastner large Nylon fastner small No gap Coupler heat insulation Coupler heat insulation large Coupler pipe large Coupler pipe small Coupler heat insulation small Indoor unit Fig 10 When installing the unit on the floor fix the four rubber base feet in the accessories on...

Page 21: ...hard polyvinyl chloride pipe VP25 outside diameter 38 mm During installation of the drain pipe be careful to avoid applying pressure to the drain point of the unit When the pipe is long install supporters Fig 11 Do not perform air bleeding Always heat insulate 8mm or over thick the indoor side of the drain pipe BAD GOOD BAD Supporter 5 to 6 5 ft 1 5 to 2m Fig 11 ...

Page 22: ...re it to the pipe Insulation for Drain pipe To be obtained locally Length shoud be at least 8mm Indoor unit drain port Drain pipe insulation accessories Drain pipe Indoor unit No gap 10mm or over Drain pipe Drain pipe insulation 2 If Right rear piping fasten the drain pipe with VT wires so that the pipe slopes correctly within the indoor unit Fig 12 Fig 13 ...

Page 23: ... with a wire cutter or wire cutting pliers then strip the insulation to about 3 8 10mm of expose the solid wire 2 Using a screwdriver remove the terminal screw s on the terminal board A For solid core wiring or F cable Screw with special washer Round terminal Wire Terminal board Screw with special washer Round terminal Wire A Solid wire B Strand wire Round terminal Loop Insulation Strip 15 16 25mm...

Page 24: ...e burning of the electric parts 2 Connect the connection cords firmly to the terminal block Imperfect installation may cause a fire 3 Always fasten the outside covering of the connection cord with the cord clamp If the insulator is chafed electric leakage may occur 4 Always connect the ground wire ELECTRICAL REQUIREMENT Electric wire size and fuse capacity Table 5 Series Connection cord mm2 Fuse c...

Page 25: ...parts and surrounding area outer case 2 When processing the cabinet iron plate be careful not to injury yourself with burrs etc 2 Fasten the round flange optional to the fresh air intake as shown in Fig 17 If using half concealed installation attach to the top After completing INDOOR UNIT INSTALLATION 3 Connect the duct to the round flange 4 Seal with a band and vinyl tape etc so that air does not...

Page 26: ...n the permanent wiring Always use a circuit that can trip all the poles of the wiring and has an isolation distance of at least 3mm between the contacts of each pole 4 Perform wiring work in accordance with standards so that the room air conditioner can be operated safely and positively 5 Install a leakage circuit breaker in accordance with the related laws and regulations and electric company sta...

Page 27: ...r current and the current of other electrical appliances When the current contracted capacity is insufficient change the contracted capacity 2 When the voltage is low and the air conditioner is difficult to start contact the power company the voltage raised CAUTION CUSTOMER GUIDANCE Explain the following to the customer in accordance with the operating manual 1 Starting and stopping method operati...

Page 28: ...d by the casing expanding or shrinking because of temperature changes This is because the system circulates smells from the interior air such as the smell of cigarettes or the painting on the furniture When unit is running at places like restaurant etc where dense edible oil fumes always exist this will happen To prevent frost from accumulating on indoor heat exchanger unit will switch to blowing ...

Page 29: ...e Trouble Shooting Proper temp Power failure Failure description Room temp sensor abnormal Indoor coil temp sensor abnormal Outdoor coil temp sensor abnormal Over current malfunction Communication malfunction between indoor and wired controller Communication malfunction between indoor and outdoor abnormal Code on wired Flash times of indoor controller receiver board 01 Power LED flashes 1 time 02 ...

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