Service Manual
Page 2
... range 1 2.Description of indoor and outdoor 7 4.1 AU282XHEAA 7 4.2 AU422XIEAA 8 4.3 Cassette type (AB07-14 9 4.4 Wall mounted type 9 4.5 Cassette type (AB21 10 4.6 Duct type 11 4.7 Console type 11 5. Refrigerant diagram 16 6.1 AU282XHEAA 16 6.2 AU422XIEAA 17 7. Wiring diagram, PCB photo and function information 54 9.1 AB07-142XCEAA 54 9.2 AB212XCEAA 58 9.3 AF07-142XCEAA 62 9.4 AS***XCEAA 66...
... range 1 2.Description of indoor and outdoor 7 4.1 AU282XHEAA 7 4.2 AU422XIEAA 8 4.3 Cassette type (AB07-14 9 4.4 Wall mounted type 9 4.5 Cassette type (AB21 10 4.6 Duct type 11 4.7 Console type 11 5. Refrigerant diagram 16 6.1 AU282XHEAA 16 6.2 AU422XIEAA 17 7. Wiring diagram, PCB photo and function information 54 9.1 AB07-142XCEAA 54 9.2 AB212XCEAA 58 9.3 AF07-142XCEAA 62 9.4 AS***XCEAA 66...
Service Manual
Page 4
... (A stands for design sequence, Fixed frequency type) Product type: A stands for heat pump type, refrigerant is R22 B stands for heat pump type, refrigerant is R407C E stands for heat pump type, refrigerant is R410A Q stands for cool only type, refrigerant is multi split ON/OFF type series, developed based on Free Multi (R407C). 2.2.2 Operating individually...
... (A stands for design sequence, Fixed frequency type) Product type: A stands for heat pump type, refrigerant is R22 B stands for heat pump type, refrigerant is R407C E stands for heat pump type, refrigerant is R410A Q stands for cool only type, refrigerant is multi split ON/OFF type series, developed based on Free Multi (R407C). 2.2.2 Operating individually...
Service Manual
Page 5
.../h kw Btu/h kw Ph/V/Hz kw kw m3/h dB(A) mm Shipping dimensions(WxHxD) mm Net weight/Shipping weight kg Compressor type Scroll/Rotary Refrigerant type Refrigerant liquid pipe mm Refrigerant gas pipe mm Max pipe length m Max drop between I.N.&O.U m AU282XHEAA AU422XIEAA 28000 8.2 31000 9.0 42000 12.3 45000 13.0 1PH 2720 2630 3.01/3.42 230VAC...
.../h kw Btu/h kw Ph/V/Hz kw kw m3/h dB(A) mm Shipping dimensions(WxHxD) mm Net weight/Shipping weight kg Compressor type Scroll/Rotary Refrigerant type Refrigerant liquid pipe mm Refrigerant gas pipe mm Max pipe length m Max drop between I.N.&O.U m AU282XHEAA AU422XIEAA 28000 8.2 31000 9.0 42000 12.3 45000 13.0 1PH 2720 2630 3.01/3.42 230VAC...
Service Manual
Page 6
... Cassette Type Capacity Cooling Model Heating Electrical parameters Power supply Performance Air flow Noise Level Installation H/M/L H/M/L External dimensions(WxHxD) Shipping dimensions(WxHxD) AB072XCEAA AB092XCEAA AB122XCEAA AB142XCEAA AB212XCEAA Btu/h kw Btu/h kw 7000 2.05 8000 2.35 9000 2.6 10000 2.9 12000 3.5 13000 3.8 14000 4.1 15500 4.5...930/330 Net weight/Shipping weight kg 17/20 17/20 17/20 19/23.5 27/33 Refrigerant liquid pipe mm Refrigerant gas pipe mm Control Wired /Infrared Static pressure Pa Panel External dimensions mm Shipping dimensions mm Net...
... Cassette Type Capacity Cooling Model Heating Electrical parameters Power supply Performance Air flow Noise Level Installation H/M/L H/M/L External dimensions(WxHxD) Shipping dimensions(WxHxD) AB072XCEAA AB092XCEAA AB122XCEAA AB142XCEAA AB212XCEAA Btu/h kw Btu/h kw 7000 2.05 8000 2.35 9000 2.6 10000 2.9 12000 3.5 13000 3.8 14000 4.1 15500 4.5...930/330 Net weight/Shipping weight kg 17/20 17/20 17/20 19/23.5 27/33 Refrigerant liquid pipe mm Refrigerant gas pipe mm Control Wired /Infrared Static pressure Pa Panel External dimensions mm Shipping dimensions mm Net...
Service Manual
Page 7
... 816/288/526 976/288/526 1272/288/526 Net weight /Shipping weight kg 18/20 18/20 20/22 20/22 28/32 Refrigerant liquid pipe mm Refrigerant gas pipe mm Control Wired /Infrared Static pressure Pa 6.35 9.52 Wired 30 6.35 9.52 Wired 30 6.35 9.52 Wired 30 6.35 9.52...
... 816/288/526 976/288/526 1272/288/526 Net weight /Shipping weight kg 18/20 18/20 20/22 20/22 28/32 Refrigerant liquid pipe mm Refrigerant gas pipe mm Control Wired /Infrared Static pressure Pa 6.35 9.52 Wired 30 6.35 9.52 Wired 30 6.35 9.52 Wired 30 6.35 9.52...
Service Manual
Page 8
... AF142XCEAA 14000 4.0 15500 4.5 700/650/600 45/40/37 Net weight/Shipping weight kg 15.5/19 15.5/19 17/20.7 17/20.7 Refrigerant liquid pipe mm 6.35 6.35 6.35 6.35 Refrigerant gas pipe mm 9.52 9.52 9.52 9.52 Control Wired /Infrared Static pressure Pa Infrared 0 Infrared 0 Infrared 0 Infrared 0 Console type units can...
... AF142XCEAA 14000 4.0 15500 4.5 700/650/600 45/40/37 Net weight/Shipping weight kg 15.5/19 15.5/19 17/20.7 17/20.7 Refrigerant liquid pipe mm 6.35 6.35 6.35 6.35 Refrigerant gas pipe mm 9.52 9.52 9.52 9.52 Control Wired /Infrared Static pressure Pa Infrared 0 Infrared 0 Infrared 0 Infrared 0 Console type units can...
Service Manual
Page 9
... H/M/L Noise Level l H/M/L Installation External dimensions(WxHxD) Shipping dimensions(WxHxD) Btu/h kw Btu/h kw Ph/V/Hz m3/h dB(A) mm mm Net weight/Shipping weight kg Refrigerant liquid pipe mm Refrigerant gas pipe mm Control Wired /Infrared Static pressure Pa AS072XCEAA AS092XCEAA AS122XCEAA AS142XCEAA 7000 2.05 7350 2.15 9000 2.6 9500 2.8 12000 3.5 13000 3.8 13000 3.8 14500...
... H/M/L Noise Level l H/M/L Installation External dimensions(WxHxD) Shipping dimensions(WxHxD) Btu/h kw Btu/h kw Ph/V/Hz m3/h dB(A) mm mm Net weight/Shipping weight kg Refrigerant liquid pipe mm Refrigerant gas pipe mm Control Wired /Infrared Static pressure Pa AS072XCEAA AS092XCEAA AS122XCEAA AS142XCEAA 7000 2.05 7350 2.15 9000 2.6 9500 2.8 12000 3.5 13000 3.8 13000 3.8 14500...
Service Manual
Page 14
... POWER 1 Remote receiver 2 Compressor Lamp 3 TIMER Lamp 4 OPERATION Lamp 5 Power Lamp 6 Emergency switch 5.2. Cassette Type AB212XCEAA Discharge unit (built in the suction grill) Suction grill Refrigerant pipe Cable line Earthing line z 12 z Drain Hose Swing fender (located in the outlet) Outlet Air filter (located in ) In cooling operation, to discharge the...
... POWER 1 Remote receiver 2 Compressor Lamp 3 TIMER Lamp 4 OPERATION Lamp 5 Power Lamp 6 Emergency switch 5.2. Cassette Type AB212XCEAA Discharge unit (built in the suction grill) Suction grill Refrigerant pipe Cable line Earthing line z 12 z Drain Hose Swing fender (located in the outlet) Outlet Air filter (located in ) In cooling operation, to discharge the...
Service Manual
Page 18
Chff^j\bZe Abj Chg]blbhg^j 6. Refrigeration diagram for AU282XHEAA z 16 z outdoor unit Compressor A liquid receiver four-way valve Compressor B four-way valve indoor unit heat exchanger solenoid valve capillary solenoid valve solenoid valve capillary solenoid valve stop valve stop valve stop valve stop valve stop valve stop valve stop valve stop valve heat exchanger heat exchanger heat exchanger heat exchanger liquid receiver cooling operation heating operation Refrigerant Diagram 6.1.
Chff^j\bZe Abj Chg]blbhg^j 6. Refrigeration diagram for AU282XHEAA z 16 z outdoor unit Compressor A liquid receiver four-way valve Compressor B four-way valve indoor unit heat exchanger solenoid valve capillary solenoid valve solenoid valve capillary solenoid valve stop valve stop valve stop valve stop valve stop valve stop valve stop valve stop valve heat exchanger heat exchanger heat exchanger heat exchanger liquid receiver cooling operation heating operation Refrigerant Diagram 6.1.
Service Manual
Page 29
... 1 m iskept, noise can still appear if radio wave is strong enough to prevent vibration. Place strong enough to indoor unit, before installation. Connect all pipings (refrigerant, water drainage), wirings (inter unit cable) to support unit weight. For new ceiling, use built-in type bolt or parts prepared in the case of...
... 1 m iskept, noise can still appear if radio wave is strong enough to prevent vibration. Place strong enough to indoor unit, before installation. Connect all pipings (refrigerant, water drainage), wirings (inter unit cable) to support unit weight. For new ceiling, use built-in type bolt or parts prepared in the case of...
Service Manual
Page 31
... refer to see the Fig.1, when connecting and removing piping from hose. size: 25mm; Chff^j\bZe Abj Chg]blbhg^j )5. Use torque specified in Fig. REFRIGERANT PIPING (As for gas leakage. Outdoor is less than that of unit piping.(pipe of the screw is precharged with... refrigerant. For the size of outdoor unit. Apply refrigerant oil at least 1/100 to the clip using seal pad 9 . If downward slope can't be equal or larger than 4mm from unit. Insert...
... refer to see the Fig.1, when connecting and removing piping from hose. size: 25mm; Chff^j\bZe Abj Chg]blbhg^j )5. Use torque specified in Fig. REFRIGERANT PIPING (As for gas leakage. Outdoor is less than that of unit piping.(pipe of the screw is precharged with... refrigerant. For the size of outdoor unit. Apply refrigerant oil at least 1/100 to the clip using seal pad 9 . If downward slope can't be equal or larger than 4mm from unit. Insert...
Service Manual
Page 35
... Unit might be adjusted as per customers request. Problem may occur. Is gas leakage check performed? Is record made for piping length and refrigerant charging amount? This may lead to twist wiring of "Prepare ornament pandl". Is unit properly insulated? Is unit safely grounded? Is wire size...rings to let them drop in holes on ornament plate, Fig. 12 Pay special care to the following and check after installation Item to control refrigerant charging amount. - 33 z Chff^j\bZe Abj Chg]blbhg^j 4. Inlet grill can be a danger of indoor and outdoor unit? Check It is...
... Unit might be adjusted as per customers request. Problem may occur. Is gas leakage check performed? Is record made for piping length and refrigerant charging amount? This may lead to twist wiring of "Prepare ornament pandl". Is unit properly insulated? Is unit safely grounded? Is wire size...rings to let them drop in holes on ornament plate, Fig. 12 Pay special care to the following and check after installation Item to control refrigerant charging amount. - 33 z Chff^j\bZe Abj Chg]blbhg^j 4. Inlet grill can be a danger of indoor and outdoor unit? Check It is...
Service Manual
Page 36
... shall comply with wire clip. After connected on them to U form and then fastened with the local regulations. The control wiring and refrigerant piping may be used. The connection of the piping so as specified. z 34 z Caution ! The electric wiring shall avoid contacting ... power cord is finished, the connection wire must be fitted with wire clips, which shall apply to the operational instruction manual of the refrigerant pipe system, do electric leakage test. The power supply wiring connection should meet the local regulation. Chff^j\bZe Abj Chg]blbhg^j !...
... shall comply with wire clip. After connected on them to U form and then fastened with the local regulations. The control wiring and refrigerant piping may be used. The connection of the piping so as specified. z 34 z Caution ! The electric wiring shall avoid contacting ... power cord is finished, the connection wire must be fitted with wire clips, which shall apply to the operational instruction manual of the refrigerant pipe system, do electric leakage test. The power supply wiring connection should meet the local regulation. Chff^j\bZe Abj Chg]blbhg^j !...
Service Manual
Page 38
... the drilling position. The indoor unit have 2 drainage outlet, one outlet be provided by the user himself. 7. Change the form of the refrigerant, please refer to connect between the indoor and outdoor units as well as the drain pipe shall be strong enough to prevent the water dropping... of the connection pipe, connection wire and drain pipe so that there is not firm, it will cause noise, vibration or pipe broken and refrigerant leakage (see Figure 6). 4. The connecting pipe, drain pipe and connection wire shall be sent to the entire room, and convenient to lay ...
... the drilling position. The indoor unit have 2 drainage outlet, one outlet be provided by the user himself. 7. Change the form of the refrigerant, please refer to connect between the indoor and outdoor units as well as the drain pipe shall be strong enough to prevent the water dropping... of the connection pipe, connection wire and drain pipe so that there is not firm, it will cause noise, vibration or pipe broken and refrigerant leakage (see Figure 6). 4. The connecting pipe, drain pipe and connection wire shall be sent to the entire room, and convenient to lay ...
Service Manual
Page 43
... Double-spanner operation z 41 z The installing torque shall be aided with the outdoor unit for a specified amount of supplemented refrigerant A Requirement Overfilling or underfilling of indoor unit pipes must use double spanners. Pipe cutting 2. The adding procedure shall be as ...9.52 mm (3/8 ) 1.0 ~ 1.8 " 12.7 mm (1/2 ) 1.2 ~ 2.0 " 15.88 mm (5/8 ) 1.4 ~ 2.2 Correct Incorrect Slope Damage Bur Partial Overlong The connection of refrigerant will cause compressor fault. Pipe cutting and expanding If the pipe is too long or the flare is damaged, it needs to be R22. Chff...
... Double-spanner operation z 41 z The installing torque shall be aided with the outdoor unit for a specified amount of supplemented refrigerant A Requirement Overfilling or underfilling of indoor unit pipes must use double spanners. Pipe cutting 2. The adding procedure shall be as ...9.52 mm (3/8 ) 1.0 ~ 1.8 " 12.7 mm (1/2 ) 1.2 ~ 2.0 " 15.88 mm (5/8 ) 1.4 ~ 2.2 Correct Incorrect Slope Damage Bur Partial Overlong The connection of refrigerant will cause compressor fault. Pipe cutting and expanding If the pipe is too long or the flare is damaged, it needs to be R22. Chff...
Service Manual
Page 44
Insulation treatment Conduct insulation treatment on the outdoor unit. Gas leakage detection Check with refrigerant sealed in the outdoor unit is gas leakage at gas side shall be resistant to avoid dew generation. The indoor unit pipe connection part shall ...
Insulation treatment Conduct insulation treatment on the outdoor unit. Gas leakage detection Check with refrigerant sealed in the outdoor unit is gas leakage at gas side shall be resistant to avoid dew generation. The indoor unit pipe connection part shall ...
Service Manual
Page 45
... supported sufficiently. Position of the room. Chff^j\bZe Abj Chg]blbhg^j 8.4. Hacksaw 3. 70mm dia.hole core drill 4. Pipe cutter 7. Refrigerant oil Standard accessories Following parts shall be delivered evently to every corner of the wall hole Wall hole should be decided according to installation place... installation place Place where it at least 1m away from heat source and with this unit. Knife 9. Reamer 13. Once refrigerant piping and drain piping connections are complete. No. Installation Precedure(For AF***XCEAA) more than more than more than Fig1 330...
... supported sufficiently. Position of the room. Chff^j\bZe Abj Chg]blbhg^j 8.4. Hacksaw 3. 70mm dia.hole core drill 4. Pipe cutter 7. Refrigerant oil Standard accessories Following parts shall be delivered evently to every corner of the wall hole Wall hole should be decided according to installation place... installation place Place where it at least 1m away from heat source and with this unit. Knife 9. Reamer 13. Once refrigerant piping and drain piping connections are complete. No. Installation Precedure(For AF***XCEAA) more than more than more than Fig1 330...
Service Manual
Page 46
... cracks Spanner Spanner Joint Nut Threads on the pipes may be damaged when tightening if the pipes are not well aligned. (4) Pipe connection process Apply refrigeration oil on the end of the pipe to be connected and on the flared section. with a hammer or a saw, the lid for each R407C and...
... cracks Spanner Spanner Joint Nut Threads on the pipes may be damaged when tightening if the pipes are not well aligned. (4) Pipe connection process Apply refrigeration oil on the end of the pipe to be connected and on the flared section. with a hammer or a saw, the lid for each R407C and...
Service Manual
Page 49
... flare is damaged, it needs to be aided with the outdoor unit for a specified amount of supplemented refrigerant A Requirement Overfilling or underfilling of indoor unit pipes must use double spanners. Pipe cutting 2. The installing ...-m) 78.4 (8.0 kgf-m) Increased installing torque (N-m) 13.7 (1.4 kgf-m) 29.4 (3.0 kgf-m) 53.9 (5.5 kgf-m) 98.0 (10.0 kgf-m) Double-spanner operation z 47 z Removing burrs 3.Insertion nut 4. The added refrigerant shall be as follows: * Pipe diameter Size A (mm) " 6.35 mm (1/4 ) 0.8 ~ 1.5 " 9.52 mm (3/8 ) 1.0 ~ 1.8 " 12.7 mm (1/2 ) 1.2 ~ 2.0 " 15.88...
... flare is damaged, it needs to be aided with the outdoor unit for a specified amount of supplemented refrigerant A Requirement Overfilling or underfilling of indoor unit pipes must use double spanners. Pipe cutting 2. The installing ...-m) 78.4 (8.0 kgf-m) Increased installing torque (N-m) 13.7 (1.4 kgf-m) 29.4 (3.0 kgf-m) 53.9 (5.5 kgf-m) 98.0 (10.0 kgf-m) Double-spanner operation z 47 z Removing burrs 3.Insertion nut 4. The added refrigerant shall be as follows: * Pipe diameter Size A (mm) " 6.35 mm (1/4 ) 0.8 ~ 1.5 " 9.52 mm (3/8 ) 1.0 ~ 1.8 " 12.7 mm (1/2 ) 1.2 ~ 2.0 " 15.88...
Service Manual
Page 50
... detail view) Indoor unit Field piping side Subsidiary insulation tube z 48 z The insulating material at the pipe connections and bonnets. Gas leakage detection Check with refrigerant sealed in the outdoor unit is gas leakage at gas side shall be resistant to avoid dew generation. Chff^j\bZe Abj Chg]blbhg^j Vacuum pumping...
... detail view) Indoor unit Field piping side Subsidiary insulation tube z 48 z The insulating material at the pipe connections and bonnets. Gas leakage detection Check with refrigerant sealed in the outdoor unit is gas leakage at gas side shall be resistant to avoid dew generation. Chff^j\bZe Abj Chg]blbhg^j Vacuum pumping...