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Error Codes: System Malfunctions

ESIE05-04

3–48

Part 3 – Troubleshooting

3

1

3

4

5

3.3

Malfunction of Transmission between Indoor Unit and Remote Controller (

U5

)

Error code

U5

Error generation

The error is generated when the microprocessor detects that the transmission between the indoor unit 
and the remote controller is not normal over a certain amount of time.

Causes

The possible causes are:

Q

Malfunctioning remote controller

Q

Malfunctioning indoor PCB

Q

Outside cause (noise...)

Q

Connection of two master remote controllers (when using two remote controllers).

Troubleshooting

Caution

Be sure to turn off power switch before connect or disconnect connector, or parts damage may be 
occurred.

Содержание FHQ100BUV3B

Страница 1: ...Service Manual ESIE05 04 R 410A Sky Air Indoor...

Страница 2: ......

Страница 3: ...35 50 60B 1 12 1 7 FBQ35 50B 1 14 1 8 FBQ60 71B 1 16 1 9 FBQ100 125B 1 18 1 10 FDQ125B 1 20 1 11 FDQ200 250B 1 22 1 12 FHQ35 50B 1 24 1 13 FHQ60 71B 1 26 1 14 FHQ100B 1 28 1 15 FHQ125B 1 30 1 16 FUQ7...

Страница 4: ...BQ71B 1 72 4 8 FBQ100 125B 1 74 4 9 FDQ125 200 250B 1 76 4 10 FHQ35 50 60B 1 78 4 11 FHQ71 100 125B 1 80 4 12 FUQ71 100 125B 1 82 4 13 FAQ71B 1 84 4 14 FAQ100B 1 86 4 15 FDEQ71B 1 88 4 16 FDEQ100B 1 9...

Страница 5: ...0 60B 1 108 6 3 FCQ71 100 125B 1 109 6 4 FCQ71 100 125 140D 1 110 6 5 FFQ25 35 50 60B 1 112 6 6 FBQ35 50 60 71B FDEQ71B 1 113 6 7 FBQ100 125B FDEQ100 125B 1 114 6 8 FDQ125 200 250B 1 115 6 9 FHQ35 50...

Страница 6: ...Operation Function 2 8 1 6 Restart Standby 2 9 1 7 Automatic Restart 2 10 1 8 Using Conditions for Remote Controller Thermostat 2 11 1 9 Forced Thermostat OFF 2 13 1 10 Freeze Prevention Function 2 1...

Страница 7: ...Chapter 3 31 2 2 Malfunctioning Indoor PCB A1 3 32 2 3 Malfunction of Drain Water Level System A3 3 33 2 4 Malfunctioning Drain System AF 3 35 2 5 Indoor Unit Fan Motor Lock A6 3 36 2 6 Malfunctionin...

Страница 8: ...53 4 2 Indoor Unit Checking the Fan Motor Hall IC 3 54 4 3 Indoor Unit Checking the Power Supply Wave Form 3 55 4 4 Checking the Thermistors 3 56 4 5 Resistance Conversion Table Ambient Coil Fin 3 57...

Страница 9: ...ed Remote Controller 4 10 2 3 How to Change the Field Settings with the Wireless Remote Controller 4 12 2 4 Overview of the Field Settings on the Indoor Units 4 13 2 5 Overview of the Factory Settings...

Страница 10: ...2 FCQ35 50 60 71B 5 4 1 3 FCQ100 125B 5 6 1 4 FFQ25 35 50 60B 5 8 1 5 FBQ35 50B 5 10 1 6 FBQ60 71B 5 12 1 7 FBQ100 125B 5 14 1 8 FDQ125 200 250B 5 16 1 9 FDEQ71 100B 5 18 1 10 FDEQ125B 5 20 1 11 FCQ7...

Страница 11: ...do the necessary repair and maintenance tasks for the R 410A Sky Air Indoor Units Five parts This service manual consists of an introduction five parts and an index Introduction overview The introduct...

Страница 12: ...ssible combinations between indoor units and pair split outdoor units Non Inverter Inverter Cooling Only Cooling Only Heat Pump RS50BVMB RS60BVMB RKS25BVMB RKS35BVMB RKS50BVMB 9 RKS60BVMB 9 RKS25D 2 V...

Страница 13: ...FCQ35B7V1 M M M M M M M M M M M M M M M M FCQ50B7V1 M M M M M M M M M M M M M M M M FCQ60B7V1 M M M M M M M M M M M 600X600 cassette FFQ25B 7 V1B M M M M M M M M M M M M M M M M FFQ35B 7 V1B M M M M M...

Страница 14: ...RZQ200B7W1B RZQ250B7W1B 950x950 cassette standard FCQ35B7V1 T T T T 2 3 4 4 FCQ50B7V1 T T T T 2 3 3 4 FCQ60B7V1 T T T T 2 3 4 FCQ71B7V3B P T T P T T P P 2 3 FCQ100B7V3B P P P P 2 FCQ125B7V3B P P P P 2...

Страница 15: ...2 FUQ100BV3B P P P FUQ125BV3B P P P Wall mounted FAQ71BV3B P T T P T T P 2 FAQ100BV3B P P P Non Inverter Inverter Cooling Only Heat Pump Heat Pump RR71B7V3B RR71B7W1B RR100B7V3B RR100B7W1B RR125B7W1B...

Страница 16: ...nit In note 1 are the indoor units mentioned in order of the possible function most functions are on FCQ less functions are on FAQ 4 Between brackets are the required Refnet kits mentioned that are ne...

Страница 17: ...ontroller that is equipped with the most functions as the main unit In note 1 are the indoor units mentioned in order of the possible function most functions are on FCQ less functions are on FAQ 4 Bet...

Страница 18: ...kits mentioned that are necessary to install the combination 5 For unit specification of the outdoor units and the indoor units refer to the unit specifications mentioned for pair systems 6 Nominal co...

Страница 19: ...1 Part 1 System Outline What is in this part This part contains the following chapters Chapter See page 1 General Outline 1 3 2 Specifications 1 45 3 Functional Diagrams 1 55 4 Wiring Diagrams 1 61 5...

Страница 20: ...ESIE05 04 1 2 Part 1 System Outline 3 1 1 5...

Страница 21: ...ontains the following general outlines General outline See page 1 2 FCQ35 50 60 71B 1 4 1 3 FCQ100 125B 1 6 1 4 FCQ71D 1 8 1 5 FCQ100 125 140D 1 10 1 6 FFQ25 35 50 60B 1 12 1 7 FBQ35 50B 1 14 1 8 FBQ6...

Страница 22: ...direct installation type see note 3 or more VIEW B VIEW D NOTES 1 Location of the nameplates Unit body on the bell mouth at the inside of the suction grill Decoration panel on the panel frame at the...

Страница 23: ...ains the different components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Power supply connection 5 Transmission wiring connection 6 Air outlet 7...

Страница 24: ...e NOTES 1 Location of the nameplates Unit body on the bell mouth at the inside of the suction grill Decoration panel on the panel frame at the inside of the suction grill 2 When installing an optional...

Страница 25: ...the different components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Power supply connection 5 Transmission wiring connection 6 Air discharge outl...

Страница 26: ...equired 4 Though the installation is acceptable up to maximum of 910mm square ceiling opening keep the clearance of 35mm or less between the main unit and the ceiling opening so that the panel overlap...

Страница 27: ...e table below contains the different components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Power supply Wiring Remote controller connection 5 Air...

Страница 28: ...is required 4 Though the installation is acceptable up to maximum of 910mm square ceiling opening keep the clearance of 35mm or less between the main unit and the ceiling opening so that the panel ove...

Страница 29: ...contains the different components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Power supply Wiring Remote controller connection 5 Power supply con...

Страница 30: ...inducted into the ceiling or the unit continues 24 hour operation an additional insulation thickness 10mm or more of glasswool or polyethylene form is required 4 Though the installation is acceptable...

Страница 31: ...e table below contains the different components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Power supply connection 5 Remote control code and cont...

Страница 32: ...on Suspension position VIEW A VIEW B VIEW C P C D NOTES 1 Refer to Outlook drawing for installing optional accessories when installing optional accessories 2 The required ceiling depth varies accordin...

Страница 33: ...e below contains the different components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Remote controller wiring connection 5 Power supply connectio...

Страница 34: ...ling optional accessories 2 The required ceiling depth varies according to the configuration of the specific system 3 For maintenance of the air filter it is necessary to provide a service access pane...

Страница 35: ...e below contains the different components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Remote controller wiring connection 5 Power supply connectio...

Страница 36: ...t hole Fresh air intake position VIEW C VIEW B or more Installation Space NOTES 1 Refer to Outlook drawing for installing optional accessories when installing optional accessories 2 The required ceili...

Страница 37: ...e below contains the different components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Remote controller wiring connection 5 Power supply connectio...

Страница 38: ...eral Outline ESIE05 04 1 20 Part 1 System Outline 3 1 1 4 5 1 10 FDQ125B Outlook and dimensions The illustration below shows the outlook and the dimensions of the unit mm VIEW A VIEW A NOTE SERVICE SP...

Страница 39: ...stem Outline 1 21 3 1 4 5 Components The table below contains the different components of the unit No Component 1 Power supply instake 2 Drain connection 3 Gas pipe connection single union 4 Liquid pi...

Страница 40: ...3 1 1 4 5 1 11 FDQ200 250B Outlook and dimensions The illustration below shows the outlook and the dimensions of the unit mm VIEW A VIEW A NOTES SERVICE SPACE EXTRA SERVICE SPACE FOR OPTIONAL DRAINPU...

Страница 41: ...ine Part 1 System Outline 1 23 3 1 4 5 Components The table below contains the different components of the unit No Component 1 Power supply instake 2 Drain connection 3 Gas pipe connection 4 Liquid pi...

Страница 42: ...de Obstacle Required space or more For height installation From the floor side or more Required space View from the front Hanging position Hanging position Hanging bolt Required space or more Service...

Страница 43: ...erminal Inside the electric components box 8 Suspension bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wiring connection opening lid 11 Right side pipe connection 12...

Страница 44: ...Obstacle Required space or more For height installation From the floor side 2500 or more Required space View from the front Hanging position Hanging position Hanging bolt Required space or more Servic...

Страница 45: ...erminal Inside the electric components box 8 Suspension bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wiring connection opening lid 11 Right side pipe connection 12...

Страница 46: ...bstacle Required space or more For height installation From the floor side 2500 or more Required space View from the front Hanging position Hanging position Hanging bolt Required space or more Service...

Страница 47: ...erminal Inside the electric components box 8 Suspension bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wiring connection opening lid 11 Right side pipe connection 12...

Страница 48: ...e Obstacle Required space or more For height installation or more Required space View from the front Hanging position Hanging position Hanging bolt Required space Position of the hole in the wall for...

Страница 49: ...erminal Inside the electric components box 8 Suspension bracket 9 Backward piping and wiring connection opening lid 10 Upward piping and wiring connection opening lid 11 Right side pipe connection 12...

Страница 50: ...grill the required space is 30mm or more Note 3 or more or more or more NOTES 1 Location of unit s name plate on bell mouth 2 In case of using wireless remote controller this is the position for the s...

Страница 51: ...t components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Air outlet 5 Air suction grille 6 Corner decoration cover 7 Right pipe and wiring connect...

Страница 52: ...ge grill the required space is 30mm or more Note 3 or more or more or more NOTES 1 Location of unit s name plate on bell mouth 2 In case of using wireless remote controller this is the position for th...

Страница 53: ...t components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Air outlet 5 Air suction grille 6 Corner decoration cover 7 Right pipe and wiring connect...

Страница 54: ...reless remote controller this position will be a signal receiver Refer to the drawing of wireless remote controller for detail hole Required space 50 or more Approx Name plate Note 2 Piping direction...

Страница 55: ...4 5 Components The table below contains the different components of the unit No Component 1 Front panel 2 Front grille 3 Air outlet 4 Gas pipe 5 Liquid pipe 6 Drain hose 7 Grounding terminal 8 Right s...

Страница 56: ...position will be a signal receiver Refer to the drawing of wireless remote controller for detail Required space 50 or more Brand name plate Note 2 Piping direction Required space or more hole Piping a...

Страница 57: ...contains the different components of the unit No Component 1 Front grille 2 Air filter 3 Discharge outlet 4 Gas piping connection 5 Gas piping connection 6 Drain piping connection 7 Earth terminal 8...

Страница 58: ...960 Suspension Suspension Bolt 668 Suspension position Service space 300 or more 300 or more Installation space NOTES 1 Refer to Outlook drawing for installing optional accessories when installing op...

Страница 59: ...he table below contains the different components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Remote controller wiring connection 4 Power supply connection 5 Drain pipe co...

Страница 60: ...1360 Suspension position Suspension Bolt 300 or more Installation space NOTES 1 Refer to Outlook drawing for installing optional accessories when installing optional accessories 2 For maintenance of t...

Страница 61: ...he table below contains the different components of the unit No Component 1 Liquid pipe connection 2 Gas pipe connection 3 Remote controller wiring connection 4 Power supply connection 5 Drain pipe co...

Страница 62: ...General Outline ESIE05 04 1 44 Part 1 System Outline 3 1 1 4 5...

Страница 63: ...his chapter contains the following information Q Technical specifications Q Electrical specifications Indoor units This chapter contains the following specifications Specifications See page 2 2 FCQ B...

Страница 64: ...in 18 m min 18 m min 28 m min 31 m min Air flow rate heating low 10 m min 11 m min 14 m min 14 m min 21 m min 24 m min Qty x model rotor 1 x QTS46B14M 1 x QTS46A17M Qty x model motor 1 x 19NFB6079 1 x...

Страница 65: ...min 30 m min Air flow rate cooling low 14 m min 21 m min 24 m min 25 m min Air flow rate heating high Air flow rate heating low Qty x model rotor 1 x QTS46F15M 1 x QTS46E17M Qty x model motor 1 x EHDS...

Страница 66: ...min Air flow rate heating high 9 0 m min 10 0 m min 15 0 m min Air flow rate heating low 6 5 m min 6 5 m min 10 0 m min Qty x model rotor 1 x QTS32C15M Qty x model motor 1 x D16P52A23 Fan speed 2 ste...

Страница 67: ...0 m min 27 0 m min 35 0 m min Air flow rate heating low 9 0 m min 10 0 m min 14 0 m min 14 0 m min 20 0 m min 24 0 m min Qty x model rotor 1 x QD18G3BM 2 x QD18G2BM 3 x QD18G2BM Qty x model motor 1 x...

Страница 68: ...43 0 m min 69 m min 89 m min Air flow rate heating 43 0 m min 69 m min 89 m min Qty x model rotor motor 1 x DPA216 178NB 1 x DPC241 241NB Fan speed 1 step direct drive Fan type Sirocco Refrigerant Ty...

Страница 69: ...m min Air flow rate heating high 13 0 m min 16 0 m min 17 0 m min 24 0 m min 30 0 m min Air flow rate heating low 10 0 m min 13 0 m min 14 0 m min 20 0 m min 25 0 m min Qty x model rotor 2 x QD12K1AH...

Страница 70: ...n 21 0 m min 23 0 m min Air flow rate heating high 19 0 m min 29 0 m min 32 0 m min Air flow rate heating low 14 0 m min 21 0 m min 23 0 m min Qty x model rotor 1 x QTS48A10M 1 x QTS50B15M Qty x model...

Страница 71: ...15 0 m min 19 0 m min Air flow rate heating high 19 0 m min 23 0 m min Air flow rate heating low 15 0 m min 19 0 m min Qty x model rotor 1 x QCL9886M 1 x QCL1163MA 1 x QCL1163MB Qty x model motor 1 x...

Страница 72: ...min 20 0 m min Air flow rate heating high 19 0 m min 28 0 m min 35 0 m min Air flow rate heating low 14 0 m min 20 0 m min 24 0 m min Qty x model rotor 2 x QD18G3BM 2 x QD18G2AM 1 x QD18G2BM Qty x mo...

Страница 73: ...is Chapter Introduction This chapter contains the following information Q Functional diagrams Q Pipe connection diameters Functional diagrams This chapter contains the following functional diagrams Fu...

Страница 74: ...ystem Outline 3 1 1 4 5 3 2 Indoor Piping All indoor units Remark R3T only present on following types of indoor units Q FCQ35 60B Q FFQ25 60B Q FBQ35 60B Q FHQ35 60B 2 Indoor unit Liquid piping Gas pi...

Страница 75: ...on See pipe connection diameter 2 Heat exchanger The heat exchanger is of the multi louvre fin type Hi X tubes and coated waffle louvre fins are used 3 Filter The filter is used to collect impurities...

Страница 76: ...50 60B 12 7 mm 6 4 mm FCQ71 100 125B 15 9 mm 9 5 mm FCQ71 100 125D 15 9 mm 9 5 mm FFQ25 35B 9 5 mm 6 4 mm FFQ50 60B 12 7 mm 6 4 mm FBQ35B 9 5 mm 6 4 mm FBQ50 60B 12 7 mm 6 4 mm FBQ71 100 125B 15 9 mm...

Страница 77: ...ection diameter 2 Heat exchanger The heat exchanger is of the multi louvre fin type Hi X tubes and coated waffle louvre fins are used 3 Filter The filter is used to collect impurities which may enter...

Страница 78: ...ESIE05 04 1 60 Part 1 System Outline...

Страница 79: ...er contains the following wiring diagrams Wiring diagram See page 4 2 FCQ35 50 60B 1 62 4 3 FCQ71 100 125B 1 64 4 4 FCQ71 100 125 140D 1 66 4 5 FFQ25 35 50 60B 1 68 4 6 FBQ35 50 60B 1 70 4 7 FBQ71B 1...

Страница 80: ...multaneous Operation System Outdoor unit Remote controller Master Slave Terminals for Operation Indicator Fan Operation Compressor Operation Adaptor for wiring Wired remote controller Norm emerg Switc...

Страница 81: ...switch M2F embedded H3P Light emitting diode filter sign red R1T Thermistor Air H4P Light emitting diode defrost orange R2T Thermistor Liquid SS1 Selector switch Main Sub R3T Thermistor Coil SS2 Selec...

Страница 82: ...peration System Outdoor unit Remote controller Master Slave Terminals for Operation Indicator Fan Operation Compressor Operation Adaptor for wiring Wired Remote Controller Notes 1 Use copper conductor...

Страница 83: ...ode defrost orange Q1F Thermo switch M2F embedded SS1 Selector switch Main Sub R1T Thermistor Air SS2 Selector switch Wireless address set R2T Thermistor Liquid RyP Magnetic relay M3P Adaptor for wiri...

Страница 84: ...n accordance with the attached installation manual 3 Remote controller model varies according to the combination system confirm engineering materials and catalogs etc before connecting 4 Confirm the m...

Страница 85: ...r fan H2P Light emitting diode timer green M1P Motor Drain pump H3P Light emitting diode filter sign red M1S Motor Swing flap H4P Light emitting diode defrost orange R1T Thermistor Air SS1 Selector sw...

Страница 86: ...ed Remote Controller Note 5 Remote Controller to Outdoor Unit Note 3 Notes 1 2 In case using central remote controller connect it to the unit in accordance with the attached installation manual 3 X24A...

Страница 87: ...ch M1F embedded H1P Light emitting diode on red R1T Thermistor Air H2P Light emitting diode timer green R2T Thermistor Coil 1 H3P Light emitting diode filter sign red R3T Thermistor Coil 2 H4P Light e...

Страница 88: ...Terminals for Operation Indicator Fan Operation Compressor Operation Adaptor for wiring Wired Remote Controller Notes 1 When using the central remote controller see manual for connection to the unit 2...

Страница 89: ...hermistor Air BS12 Inspection test operation button R2T Thermistor Liquid BS14 Filter sign reset button R3T Thermistor Coil H1P Light emitting diode Service monitor red RyF1 4 Magnetic relay Fan LCD L...

Страница 90: ...tdoor indoor Terminals for Operation Indicator Fan Operation Compressor Operation Adaptor for wiring Wired Remote Controller Notes 1 When using the central remote controller see manual for connection...

Страница 91: ...d control button R2T Thermistor Coil BS12 Inspection test operation button RyF1 4 Magnetic relay Fan BS14 Filter sign reset button RyP Magnetic relay Drain pump H1P Light emitting diode Service monito...

Страница 92: ...wn outdoor indoor Terminals for Operation Indicator Fan Operation Compressor Operation Adaptor for wiring Wired Remote Controller Notes 1 When using the central remote controller see manual for connec...

Страница 93: ...d control button R2T Thermistor Coil BS12 Inspection test operation button RyF1 4 Magnetic relay Fan BS14 Filter sign reset button RyP Magnetic relay Drain pump H1P Light emitting diode Service monito...

Страница 94: ...olors BLK Black BLU Blue RED Red WHT White YLW Yellow outdoor indoor Terminals for Operation Indicator Fan Operation Compressor Operation Adaptor for wiring Wired Remote Controller Notes 1 When using...

Страница 95: ...H1P Light emitting diode Service monitor red R1T Thermistor Air LCD Liquid cristal display R2T Thermistor Coil SS1 Selector switch Main sub RyF1 Magnetic relay Fan SS1 Selector switch Emergency Adapto...

Страница 96: ...ote Controller to Outdoor Unit Note 4 Notes 1 2 3 In case using central remote controller connect it to the unit in accordance with the attached installation manual 4 X24A is connected when the wirele...

Страница 97: ...ing diode on red R1T Thermistor Air H2P Light emitting diode timer green R2T Thermistor Coil 1 H3P Light emitting diode filter sign red R3T Thermistor Coil 2 H4P Light emitting diode defrost orange S1...

Страница 98: ...ing central remote controller connect it to the unit in accordance with the attached installation manual 4 X24A is connected when the wireless remote controller kit is being used 5 Remote controller m...

Страница 99: ...hermo switch M1F embedded H4P Light emitting diode defrost orange R1T Thermistor Air SS1 Selector switch Main Sub R2T Thermistor Coil SS2 Selector switch Wireless address set S1Q Limit switch Swing fl...

Страница 100: ...2 3 In case using central remote controller connect it to the unit in accordance with the attached installation manual 4 X24A is connected when the wireless remote controller kit is being used 5 Remo...

Страница 101: ...ON OFF Q1M Thermo switch M1F embedded H1P Light emitting diode on red R1T Thermistor Air H2P Light emitting diode timer green R2T Thermistor Coil H3P Light emitting diode filter sign red S1L Float sw...

Страница 102: ...3 Remote controller model varies according to the combination system confirm engineering materials and catalogs etc before connecting 4 X24A is connected when the wireless remote controller kit is be...

Страница 103: ...ting diode on red R2T Thermistor Coil H2P Light emitting diode timer green SS1 Selector switch Emergency H3P Light emitting diode filter sign red X1M Terminal block H4P Light emitting diode defrost or...

Страница 104: ...al 4 X24A is connected when the wireless remote controller kit is being used 5 Remote controller model varies according to the combination system confirm engineering materials and catalogs etc before...

Страница 105: ...ht emitting diode filter sign red M1S Motor Swing flap H4P Light emitting diode defrost orange Q1M Thermo switch M1F embedded SS1 Selector switch Main Sub R1T Thermistor Air SS2 Selector switch Wirele...

Страница 106: ...tdoor indoor Terminals for Operation Indicator Fan Operation Compressor Operation Adaptor for wiring Wired Remote Controller Notes 1 When using the central remote controller see manual for connection...

Страница 107: ...tic relay Fan BS11 Fan speed control button RyP Magnetic relay Drain pump BS12 Inspection test operation button SS1 Selector switch Emergency BS14 Filter sign reset button T1R Power supply transformer...

Страница 108: ...wn outdoor indoor Terminals for Operation Indicator Fan Operation Compressor Operation Adaptor for wiring Wired Remote Controller Notes 1 When using the central remote controller see manual for connec...

Страница 109: ...tic relay Fan BS11 Fan speed control button RyP Magnetic relay Drain pump BS12 Inspection test operation button SS1 Selector switch Emergency BS14 Filter sign reset button T1R Power supply transformer...

Страница 110: ...wn outdoor indoor Terminals for Operation Indicator Fan Operation Compressor Operation Adaptor for wiring Wired Remote Controller Notes 1 When using the central remote controller see manual for connec...

Страница 111: ...tic relay Fan BS11 Fan speed control button RyP Magnetic relay Drain pump BS12 Inspection test operation button SS1 Selector switch Emergency BS14 Filter sign reset button T1R Power supply transformer...

Страница 112: ...Wiring Diagrams ESIE05 04 1 94 Part 1 System Outline 3 1 1 4 5...

Страница 113: ...ts Indoor units This chapter contains the following switch box layouts PCB layout See page 5 2 FCQ35 50 60 71B 1 96 5 3 FCQ100 125B 1 97 5 4 FCQ71 100 125 140D 1 98 5 5 FFQ25 35 50 60B 1 99 5 6 FBQ35...

Страница 114: ...5 5 2 FCQ35 50 60 71B The illustration below shows the switch box layout T1R PCB C1R X1M X2M Item Description PCB Printed circuit board T1R Transformer C1R Fan motor capacitor X1M Terminal strip for...

Страница 115: ...4 5 5 3 FCQ100 125B The illustration below shows the switch box layout X2M X1M C1R PCB T1R Item Description PCB Printed circuit board T1R Transformer C1R Fan motor capacitor X1M Terminal strip for rem...

Страница 116: ...e illustration below shows the switch box layout PCB3 X1M X2M PCB2 PCB1 Item Description PCB1 Printed circuit board A1P power circuit PCB2 Printed circuit board A2P control circuit PCB3 Printed circui...

Страница 117: ...5 5 5 FFQ25 35 50 60B The illustration below shows the switch box layout T1R C1R X2M PCB X1M Item Description PCB Printed circuit board T1R Transformer C1R Fan motor capacitor X1M Terminal strip for r...

Страница 118: ...6 FBQ35 50 60 71 100 125B The illustration below shows the switch box layout PCB C1R X2M T1R X1M Item Description PCB Printed circuit board T1R Transformer C1R Fan motor capacitor X1M Terminal strip...

Страница 119: ...5 5 7 FDQ125 200 250B The illustration below shows the switch box layout PCB C1R X1M T1R X2M Item Description PCB Printed circuit board T1R Transformer C1R Fan motor capacitor X1M Terminal strip for r...

Страница 120: ...8 FHQ35 50 60 71 100 125B The illustration below shows the switch box layout C1R PCB X1M X2M T1R Item Description PCB Printed circuit board T1R Transformer C1R Fan motor capacitor X1M Terminal strip...

Страница 121: ...5 5 9 FUQ71 100 125B The illustration below shows the switch box layout C1R PCB T1R X1M X2M Item Description PCB Printed circuit board T1R Transformer C1R Fan motor capacitor X1M Terminal strip for r...

Страница 122: ...System Outline 3 1 1 4 5 5 10 FAQ71B The illustration below shows the switch box layout X2M PCB X1M Item Description PCB Printed circuit board X1M Terminal strip for remote control P1 P2 F1 F2 T1 T2 X...

Страница 123: ...System Outline 1 105 3 1 4 5 5 11 FAQ100B The illustration below shows the switch box layout PCB X1M X2M Item Description PCB Printed circuit board X1M Terminal strip for remote control P1 P2 X2M Ter...

Страница 124: ...utline 3 1 1 4 5 5 12 FDEQ71 100 125B The illustration below shows the switch box layout T1R X2M T1M PCB Item Description PCB Printed circuit board T1R Transformer X1M Terminal strip for remote contro...

Страница 125: ...shows the PCB connectors Indoor units This chapter contains the following PCB layouts PCB layout See page 6 2 FCQ35 50 60B 1 108 6 3 FCQ71 100 125B 1 109 6 4 FCQ71 100 125 140D 1 110 6 5 FFQ25 35 50...

Страница 126: ...ry side X15A 33H Float switch X17A R3T Coil thermistor X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M2F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remot...

Страница 127: ...sformer primary side X15A S1L Float switch X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M2F Fan motor power supply X24A X2A on A3P X24A is connected when the wireless remote control is...

Страница 128: ...nnectors The table below describes the PCB connectors X56A X54A X27A X25A X55A X20A Connector Connected to Description X20A M1F Fan motor Power supply feedback X25A M1P Drain pump motor X27A X2M Power...

Страница 129: ...Not used X15A S1L Float switch X16A A3P Humidity sensor X18A R2T Coil thermistor X24A X2A on A4P X24A is connected when the wireless remote control used X30A X1M Terminal strip for P1 P2 and F1 F2 X3...

Страница 130: ...1L Float switch X17A R3T Coil thermistor gas Not used on 71 125 class X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M1F Fan motor power supply X24A X2A on A3P X24A is connected when the...

Страница 131: ...sformer secondary side X11A T1R Transformer primary side X15A 33H Float switch X17A R3T Coil thermistor X18A R2T Coil thermistor liquid X19A R1T Air thermistor X21A M1F Fan motor power supply X25A M1P...

Страница 132: ...10A T1R Transformer secondary side X11A T1R Transformer primary side X15A S1L Float switch X18A R2T Coil thermistor liquid X19A R1T Air thermistor X21A M1F Fan motor power supply X25A M1P Drain pump m...

Страница 133: ...P2 X10A T1R Transformer secondary side X11A T1R Transformer primary side X18A R2T Coil thermistor liquid X19A R1T Air thermistor X21A K1F Magnetic contactor of fan motor X27A X2M Power supply communi...

Страница 134: ...e jumper connector of X15A and carry out the addi tional wiring for float switch and drain pump X17A R3T Coil thermistor gas Not used on 71 125 class X18A R2T Coil thermistor liquid X19A R1T Air therm...

Страница 135: ...e drain pump remove the jumper connector of X15A and carry out the addi tional wiring for float switch and drain pump X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M1F Fan motor power s...

Страница 136: ...secondary side X11A T1R Transformer primary side X14A S1Q Limit switch swing flap X15A S1L Float switch X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M1F Fan motor power supply X24A X2A...

Страница 137: ...15A X35A X24A Connector Connected to Description X15A Connector float switch X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M1F Fan motor power supply X24A X2A on A2P Wireless remote con...

Страница 138: ...sformer PCB primary side X14A S1Q Limit switch swing flap X15A Connector float switch X18A R2T Coil thermistor liquid X19A R1T Air thermistor X20A M1F Fan motor power supply X24A X2A on A3P X24A is co...

Страница 139: ...in this part This part contains information on the functions used to control the system Understanding these functions is vital when diagnosing a malfunction that is related to the functional control O...

Страница 140: ...ESIE05 04 2 2 Part 2 Functional Description 3 1 2 5...

Страница 141: ...Forced Operating Mode Emergency Operation 2 5 1 4 Outdoor Unit Identification Function 2 7 1 5 Simulated Operation Function 2 8 1 6 Restart Standby 2 9 1 7 Automatic Restart 2 10 1 8 Using Conditions...

Страница 142: ...R2T R3T Ther mistor Location Wiring symbol Mode Function 1 Indoor air return R1T Cooling Q Thermostat control Q PMV control Q General frequency control Heating Q Thermostat control Q PMV control Q Gen...

Страница 143: ...ion by changing the emergency switch back to normal while the power is OFF Emergency operation Below table explains what will happen when the switch is set to emergency How to set Emergency Operation...

Страница 144: ...once every hour Q Emergency operation can not be carried out when the PCB board itself is defective Q Be sure to set the emergency switch on both the outdoor and indoor unit Q The unit will not regul...

Страница 145: ...ng mode has to be set in function of the type of connected outdoor unit c o or h p Operating modes The possible operating modes are Used input The outdoor unit identification function uses the followi...

Страница 146: ...remote controller Fin thermistor malfunction is only displayed when pressing the Inspection button on the remote controller Sensors Q Outside temperature thermistor Q Outdoor heat exchanger thermisto...

Страница 147: ...FF and allow pressure equalization forced thermostat OFF will be conducted for 3 minutes after compressor stopping compressor guard timer Graph Thermostat OFF Compressor Electronic expansion valve Oud...

Страница 148: ...FF the power supply while the remote control s ON OFF switch is still ON the automatic restart function automatically starts the indoor fan immediately and the outdoor unit fan starts automatically 3...

Страница 149: ...the suction temperature has changed from 18 C to 30 C A F This example also assumes there are several other air conditioners the VRV system is off and that temperature changes even when the thermostat...

Страница 150: ...to 28 C A F This example also assumes there are several other air conditioners the VRV system is off and that temperature changes even when the thermostat sensor is off Body thermostat sensor is used...

Страница 151: ...nger from freezing in cooling operation when one of the below conditions is applicable Q Indoor unit heat exchanger temperature 5 C for 1 minute continuously Q Indoor unit heat exchanger temperature 1...

Страница 152: ...ze Prevention start conditions Freeze prevention start decided by the indoor unit factory setting Freeze Prevention stop conditions Freeze prevention stop decided by the indoor unit factory setting Q...

Страница 153: ...d average comfort level Refer to ISO 7730 for details Function An optimized indoor temperature will be calculated using the following inputs Q Outdoor air temperature Q Indoor air temperature Q Remote...

Страница 154: ...t OFF conditions The thermostat control prevents the thermostat from turning OFF in the following conditions Q For the 2 5 minutes after operations starts or Q Defrosting or Q Forced operating mode or...

Страница 155: ...nd turned OFF 5 minutes after the compressor has stopped residual operation Float switch activation during thermostat OFF When an abnormal drain level is detected in the drain pan the float switch ope...

Страница 156: ...mum 10 minutes even if abnormality is solved within the 10 minutes 3 If the float switch closes again within 80 seconds cooling operation can restart within the 10 minutes recovery period Used inputs...

Страница 157: ...following operating modes Q Cooling automatic Q Dry keep Method To avoid condensation on the swing flap the condensation avoidance control is activated Stage Description 1 The fan operates in cooling...

Страница 158: ...1 uses the following inputs When the flap starts to move there can be a draft The fan speed decreases to LL speed but it takes some time because of its inertia Fan Flap Thermostat Setting LL Setting P...

Страница 159: ...dance control 2 is activated when Q Hot start is finished or Q Cold air prevention control is finished Time chart If the fan speed is set to H the fan turns at low speed for a certain amount of time U...

Страница 160: ...tion setting Set position Set position Set position Stop Error Swing operation OFF Horizontal Downward Airflow direction setting Set position Downward Freeze preven tion Swing operation OFF Horizontal...

Страница 161: ...ration During this pump down operation the indoor fan will keep on operating Purpose Q Cooling Minimize the remaining refrigerant amount in indoor unit heat exchanger Q Heating Lower the high pressure...

Страница 162: ...ating operation is turend on with remote controller Indoor unit fan LL tap Condition A is met Indoor unit fan L tap Condition B is met Indoor unit fan M tap Continuing L tap on indoor unit without M t...

Страница 163: ...4 3 4 5 3 Part 3 Troubleshooting What is in this part This part contains the following chapters Chapter See page 1 Troubleshooting 3 3 2 Error Codes 3 31 3 Error Codes System Malfunctions 3 45 4 Addit...

Страница 164: ...ESIE05 04 3 2 Part 3 Troubleshooting 3 1 3 5...

Страница 165: ...ommon practice Overview This chapter contains the following topics Topic See page 1 2 General Troubleshooting Flowchart 3 4 1 3 Overview of General Problems 3 5 1 4 Procedure of Self Diagnosis by Remo...

Страница 166: ...Units equipped with liquid crystal remote controllers only Operation is normal Temperature differential is 8 18 C The units runs but doesn t heat the room Measure the suction discharge temperature Is...

Страница 167: ...mal It is caused by the activation of the overload control airflow shift control 16 Flap automatically moves during cooling It is normal It is caused by the activation of the dew prevention function o...

Страница 168: ...ation switch or contact point Q Faulty high pressure switch Q Faulty magnetic switch for fan motor Q Activation or fault of overcurrent relay for fan motor Q Faulty overcurrent relay for compressor Q...

Страница 169: ...rmal Equipment starts operation 3 minutes later 3 min standby Diagnose based on error code on remote controller Normal Equipment starts operation 3 minutes later 3 min standby Diagnose based on error...

Страница 170: ...perates but compressor does not Applicable Model All models of SkyAir series Method of Malfunction Detection Malfunction Decision Conditions Possible Causes Q Faulty thermistor Q Faulty indoor outdoor...

Страница 171: ...rd Input to PC board Output from PC board e Output from relay or microcomputer d Output from magnetic switch or SW circuit of power transistor c Output from magnetic switch or U V W of power transisto...

Страница 172: ...nt Q Air intrudes into refrigerant system Q Faulty pressure switch Q Faulty magnetic switch for outdoor unit fan motor Q Faulty aux relay for outdoor unit fan motor Q Soiled heat exchanger of outdoor...

Страница 173: ...exchanger After vacuum drying charge correct amount of refrigerant Check the pressure switch Possible causes as follows Refrigerant overcharge Mixing of air in refrigerant system Faulty pressure swit...

Страница 174: ...Air intrudes into refrigerant system Q Faulty pressure switch Q Faulty magnetic switch for outdoor unit fan motor Q Faulty aux relay for outdoor unit fan motor Q Soiled heat exchanger of outdoor unit...

Страница 175: ...the unit in defrost mode Is the operation current less than specified level Does the heat load increase after installation of the unit YES YES YES YES YES YES Incorrect selection of model Affection o...

Страница 176: ...leaning of heat exchanger is necessary Remove the source of oil mist or dust Cleaning of air filter Check fan motor Refer error code A6 Normal Fog is generated due to defrosting operation Is white fog...

Страница 177: ...nd remove parts contact Normal Operation sound of draining device Correct piping manually or attach a dead weight to pipe Normal Creak generates by shrinkage of resin parts due to temperature change N...

Страница 178: ...Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Dust collected inside the indoor unit are blown out Cleaning for inside of indoor unit i...

Страница 179: ...e to turn off power switch before connect or disconnect connector or parts damage may be occurred The unit is checking to confirm that remote controller is normal Indication appears for short time Tur...

Страница 180: ...conds Remark Some functions can force the swing flap into a fixed position altough swing mode is selected on the remote controller This is not an unit error but a control function to prevent draft to...

Страница 181: ...y NO 220 240 VAC NO YES NO S2577 Is the limit switch s transfer connector correctly connected Turn the power supply off once and back on and check whether the swing flap motor swings when the power su...

Страница 182: ...rvice settings can be made Q Forced fan ON Q Air flow direction volume setting Depress Inspection Test Operation button for more than 4 seconds Following codes can be checked Q Malfunction codes Q Ind...

Страница 183: ...nd malfunction code is displayed Even if stop operation is carried out malfunction contents are displayed when inspection mode is entered The malfunction code enables you to tell what kind of malfunct...

Страница 184: ...te controller the wireless remote controller does not display the error code Instead the operation LED on the light reception section flashes Checking To find the error code proceed as follows Step Ac...

Страница 185: ...Press the MODE selector button The left 0 upper digit indication of the error code flashes Step Action If you hear Then 3 short beeps Follow all steps below 1 short beep Follow steps 3 and 4 Continue...

Страница 186: ...igit until the receiver of the remote controller starts to beep 5 Press the MODE selector button The right 0 lower digit indication of the error code flashes Step Action If you hear Then 2 short beeps...

Страница 187: ...hange the error code lower digit until the receiver of the remote controller generates a continuous beep 7 Press the MODE button to return to normal status If you do not press any button for at least...

Страница 188: ...heat exchanger temperature sensor system C5 Malfunction of gas piping temperature sensor system C9 Malfunction of suction air temperature sensor system CC Malfunction of humidity sensor system FCQ D...

Страница 189: ...peration halts due to malfunction depending on the model or condition 4 If LED B is off the transmission wiring between indoor and outdoor unit may be incorrect or disconnected Before performing the p...

Страница 190: ...Details of Malfunction Reference Page H1P H2P Other than PC Board PC Board Out door Unit Indoor Unit Remote Controller c c Note 1 Normal to outdoor unit c w A1 Malfunction indoor unit PC board For tr...

Страница 191: ...nction Reference Page Other than PC Board PC Board Outdoor Unit Indoor Unit Remote Controller U4 or UF Transmission error between indoor and outdoor unit 3 46 U5 Transmission error between indoor and...

Страница 192: ...FCQ35 50 60 71B 130 C 5 C 83 C 20 C N A FCQ100 125B 140 C 5 C 45 C 15 C N A FCQ71 100 125 140D N A N A N A FFQ25 35 50 60B 130 C 5 C 83 C 20 C N A FBQ35 50 60 71 100 125B N A N A 152 2 C FDQ125 200 2...

Страница 193: ...times This means that you have to wait until the system shuts down to be able to see the flashing LED on the front panel and the error code on the remote controller Overview This chapter contains the...

Страница 194: ...ip that holds its content without power It can be erased either within the computer or externally and usually requires more voltage for erasure than the common 5 volts used in logic circuits It functi...

Страница 195: ...n The error is generated when the water level reaches its upper limit and when the float switch turns OFF Causes The possible causes are Q Malfunctioning drain pump Q Improper drain piping work Q Drai...

Страница 196: ...ppear on the remote controller display 220 240 VAC Is there continuity Is the optional drain raising mechanism connected Is the short circuit connector connected to X15A on the indoor unit PCB Connect...

Страница 197: ...Is water drainage system normal Is drain up kit installed Is drain pump normal Does drain water flow in reverse during non operation Is amount of circulated drain water excessive after pump stops ope...

Страница 198: ...ations Error generation The error is generated when the fan rotations are not detected while the output voltage to the fan is at its maximum Causes The possible causes are Q Malfunctioning indoor unit...

Страница 199: ...ESIE05 04 Error Codes Part 3 Troubleshooting 3 37 4 5 1 3 Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred...

Страница 200: ...ing case In case the indoor PCB installed at the factory is for some reason changed at the installation site the capacity will not be contained in the replacement PCB To set the correct capacity for t...

Страница 201: ...y setting adapter plugged into X23A of the indoor unit PCB Is AJ displayed on the remote controller Plug a capacitor setting adapter that matches the capacity of the unit into X23A The malfunction was...

Страница 202: ...mpressor operation Q Thermistor input 4 96 V or Q Thermistor output 0 04 V Causes The possible causes are Q Malfunctioning connector connection Q Malfunctioning thermistor Q Malfunctioning PCB Q Broke...

Страница 203: ...oting 3 41 4 5 1 3 Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred C4 Indoor liquid pipe thermistor R2T C5 Gaspipe therm...

Страница 204: ...troller thermistor becomes disconnected or shorted while the unit is running Even if the remote controller thermistor is malfunctioning the system can operate with the system thermistor Causes The pos...

Страница 205: ...d by the moisture sensor Malfunction decision conditions When the moisture sensor is disconnected or short circuited Supposed causes Q Faulty sensor Q Disconnection Troubleshooting Caution Be sure to...

Страница 206: ...Error Codes ESIE05 04 3 44 Part 3 Troubleshooting 3 1 3 4 5...

Страница 207: ...ler display The error code helps you to find the cause of the problem Overview This chapter contains the following topics Topic See page 3 2 Malfunction of Transmission between Indoor and Outdoor Unit...

Страница 208: ...Ds on the indoor unit PC board are off it indicates that the transmission wiring between indoor and outdoor units may be incorrect or broken disconnected Caution Be sure to turn off power switch befor...

Страница 209: ...5 04 Error Codes System Malfunctions Part 3 Troubleshooting 3 47 3 3 4 5 1 Troubleshooting 2 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occu...

Страница 210: ...s that the transmission between the indoor unit and the remote controller is not normal over a certain amount of time Causes The possible causes are Q Malfunctioning remote controller Q Malfunctioning...

Страница 211: ...ller and SUB remote controller Q Connection among SUB remote controllers Q Malfunctioning remote controller PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect co...

Страница 212: ...ode UA Error generation The error is generated when incorrect field settings have been set for pair twin triple double twin Causes The possible causes are Q Malfunctioning indoor or outdoor unit PCB Q...

Страница 213: ...y YES YES YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO NO NO NO Is there 220 240 VAC between No 1 and No 3 of X2M indoor Unit Is the power supply PCB correctly connected Is the indoor indoor a...

Страница 214: ...n between indoor units Malfunction Decision Conditions When the microcomputer judges that the centralized address signal is duplicated Supposed Causes Q Faulty centralized address setting Q Faulty ind...

Страница 215: ...e units to carry out troubleshooting correctly Overview This chapter contains the following topics Topic See page 4 2 Indoor Unit Checking the Fan Motor Hall IC 3 54 4 3 Indoor Unit Checking the Power...

Страница 216: ...CB 1 is properly connected 2 Make sure the power is ON and that there is no operation 3 Measure the voltage between pin 1 and 3 of S7 4 Turn the fan one rotation with your hand and measure the generat...

Страница 217: ...eck the power supply wave form proceed as follows Step Action 1 Measure the power supply wave form between pin 1 and 2 of X1M for the outdoor units or between pin 1 and 2 of X2M for the indoor units 2...

Страница 218: ...see Q Wiring Diagrams Q Functions of Thermistors on page 2 4 Overview of thermistors The table below contains an overview of the thermistors Checking To check the thermistors proceed as follows Therm...

Страница 219: ...19 14 18 32 17 54 16 80 61 62 63 64 65 66 67 68 69 4 79 4 62 4 46 4 30 4 16 4 01 3 88 3 75 3 62 10 111 99 30 16 10 70 3 50 9 8 7 6 5 4 3 2 1 106 03 100 41 95 14 90 17 85 49 81 08 76 93 73 01 69 32 31...

Страница 220: ...tion Is the piping length 5 meters or less Visual inspection Does air enter the refrigerant system Conduct refrigerant collection and vacuum dry ing and then add proper amount refrigerant Is the refri...

Страница 221: ...the check valve is caught Is the LPS normal Check continuity using a tester Is the indoor unit installed under such conditions that short circuit easily occurs Visual inspection Is the refrigerant ga...

Страница 222: ...ue to adherent contamination etc Replace the expan sion valve 2 Accumulator Frosting Q Choked moisture Blow a nitrogen gas and then replace the refrigerant 3 Distributor Temperature difference Q Dust...

Страница 223: ...Controlled Motor 1 Turn the power supply off With the relay connector disconnected measure the resistance between UVW phases of the connector 3 cores at the motor side then make sure that the resistan...

Страница 224: ...Additional Checks for Troubleshooting ESIE05 04 3 62 Part 3 Troubleshooting 3 1 3 4 5...

Страница 225: ...ing and Test Run 4 1 4 3 4 5 4 Part 4 Commissioning and Test Run What is in this part This part contains the following chapters Chapter See page 1 Pre Test Run Checks 4 3 2 Field Settings 4 9 3 Test R...

Страница 226: ...ESIE05 04 4 2 Part 4 Commissioning and Test Run 3 1 4 5...

Страница 227: ...hapter contains the following information Q Checks before test run Q Test run checks Q Setting the address for the receiver of the wireless remote controller Q Setting the address for the wireless rem...

Страница 228: ...Are all units securely installed Q Dangerous for turning over during storm Q Possible damage to pipe connections Is the earth wire installed according to the applicable local standard Dangerous if el...

Страница 229: ...ing to the table below You can find the wire less address switch attached on the PCB of the receiver and it is visible through the small opening on the back of the receiver 4 If you use a wired and a...

Страница 230: ...to 1 To change this setting proceed as follows Step Action 1 Hold down the FILTER RESET button and the TEST button for at least 4 s to go to field set mode The display indicates the field set mode 2 P...

Страница 231: ...and Test Run 4 7 3 4 5 1 3 Press the UP and DOWN buttons to set the address Set the same address as the receiver 1 2 or 3 The receiver does not work with addresses 4 5 and 6 4 Press the RESERVE button...

Страница 232: ...e field set mode and return to the normal display Step Action UP FAN RESERVE CANCEL TIMER DOWN TEMP TIME ON OFF MODE SWING TEST C TEST Remote controller Indoor unit Setting Remote controller display C...

Страница 233: ...topics Topic See page 2 2 How to Change the Field Settings with the Wired Remote Controller 4 10 2 3 How to Change the Field Settings with the Wireless Remote Controller 4 12 2 4 Overview of the Fiel...

Страница 234: ...ble 3 Operation mode icon 22 Fan speed icon 4 Ventilation mode icon 23 Defrost hotstart mode icon 5 Ventilation icon 24 Air filter cleaning time icon 6 Air cleaning icon 25 Element cleaning time icon...

Страница 235: ...indoor units are set at the same time Use the codes 10 to 15 to apply this group control and proceed to the next step Q If you want to set the indoor units of one group individually or if you want to...

Страница 236: ...set the field settings you have to change Q Mode No Q First code No Q Second code No To change the field settings proceed as follows RESERVE button INSPECTION TEST button Mode No Field setting mode UP...

Страница 237: ...hermostat ON Option Operation Malfunction 1 EKRORO Forced OFF ON OFF oper ation 3 Fan speed heating thermostat OFF LL speed Set speed Continuously OFF 5 Automatic restart Disabled Enabled 13 or 23 0 C...

Страница 238: ...units Mode No First code No Second code No FCQ FFQ FBQ FAQ FDQ FEDQ FUQ FHQ 10 or 20 0 01 01 01 01 01 01 01 1 01 01 01 02 01 2 02 02 02 02 02 02 3 01 01 01 01 01 01 01 11 or 21 0 01 01 01 01 01 01 01...

Страница 239: ...23 First code No 0 Set the second code No according to the tables below FHQ FAQ FCQ and FUQ Second code No Ceiling suspended type 01 Height 2 7 m 02 2 7 m height 3 5 m 03 Not used Second code No Wall...

Страница 240: ...tting is called Set Fan Speed Default the fan speed is set LL to prevent cold draft Note That a combination of modes 11 21 and 12 22 is required to enable following settings Unit Mode No First code No...

Страница 241: ...given in the table below This setting is needed when the optional air outlet blocking pad has been installed The Second code No is factory set to 01 OFF OFF ON ON INDOOR FAN LL speed or set speed THER...

Страница 242: ...ting The remote controllers are factory set to MAIN so you only have to change one remote controller from MAIN to SUB To change a remote controller from MAIN to SUB proceed as follows Step Action 1 In...

Страница 243: ...7 Unit N First Code N Second Code N Mode N Field set mode Step Action 1 Switch ON the power supply of the central remote controller the unified ON OFF control ler and the indoor unit s 2 Hold down th...

Страница 244: ...the highest level of the three field setting levels You can change the views in the inspection level by pressing the INSPECTION TEST button The flow chart below explains the different windows of the...

Страница 245: ...00 FBQ JJ 125 125 FUQ 3J 200 200 FDQ FDEQ UJ 250 250 Step Action 1 Hold down the INSPECTION TEST button for at least 4 s to enter the field setting mode 2 Hold down the INSPECTION TEST button for at l...

Страница 246: ...3 Forced fan ON Turns the fan ON for each unit individually 44 Individual setting Sets fan speed and air flow direction for each unit individually when using group control Settings are made using the...

Страница 247: ...oning and Test Run 4 23 3 4 5 1 Part 4 3 Test Run and Operation Data Introduction This chapter contains the following information Q General operation data Overview This chapter contains the following...

Страница 248: ...remote controller are as given in the table below Indoor Unit Fan H Operation Compressor Rated Frequency High Pressure Mpa Low Pressure Mpa Discharge Pipe Temperature C Suction Temperature C Indoor U...

Страница 249: ...aution When perfoming maintenance you should at least perform the following inspections Indoor Unit Conditions Outdoor Unit Conditions Cooling Operation 27 C DB 19 C WB 35 C DB Heating Operation 20 C...

Страница 250: ...r Lower Lower Short Circuit of Indoor Unit Inlet Outlet Air Lower Lower Lower Outdoor Unit Fin Fouling Higher Higher Higher Short Circuit of Outdoor Unit Inlet Outlet Air Higher Higher Higher Air Mixe...

Страница 251: ...05 04 Part 5 Disassembly and Maintenance 5 1 4 3 4 5 5 Part 5 Disassembly and Maintenance What is in this part This part contains the following chapters Chapter See page 1 Disassembly and Maintenance...

Страница 252: ...ESIE05 04 5 2 Part 5 Disassembly and Maintenance 3 1 5...

Страница 253: ...wsand components This chapter contains the following topics Dissassembly procedures This chapter contains the following topics Topic See page 1 2 FCQ35 50 60 71B 5 4 1 3 FCQ100 125B 5 6 1 4 FFQ25 35 5...

Страница 254: ...Disassembly and Maintenance ESIE05 04 5 4 Part 5 Disassembly and Maintenance 3 1 5 5 1 2 FCQ35 50 60 71B Exploded view The illustration below shows the exploded view...

Страница 255: ...h washer F12 Hold plate assy E1 Switch box assy F13 Panel mounting plate E2 Switch box body F14 Drain pump mounting plate E4 Bell mouth F15 Vibration isolator E5 Switch box cover assy 1 F16 Hexagon mo...

Страница 256: ...Disassembly and Maintenance ESIE05 04 5 6 Part 5 Disassembly and Maintenance 3 1 5 5 1 3 FCQ100 125B Exploded view The illustration below shows the exploded view...

Страница 257: ...F12 Hold plate assy E1 Switch box assy F13 Panel mounting plate E2 Switch box body F14 Drain pump mounting plate E4 Bell mouth F15 Vibration isolator E5 Switch box cover assy 1 F16 Hexagon mounting bo...

Страница 258: ...Disassembly and Maintenance ESIE05 04 5 8 Part 5 Disassembly and Maintenance 3 1 5 5 1 4 FFQ25 35 50 60B Exploded view The illustration below shows the exploded view...

Страница 259: ...Electric components assy F3 Localized die rear plate E2 Switch box assy F4 Localized die rear plate E3 Cover switch box F5 Localized die rear plate E4 Power transformer F6 Hanger metal assy E5 Printed...

Страница 260: ...ssembly and Maintenance ESIE05 04 5 10 Part 5 Disassembly and Maintenance 3 1 5 5 1 5 FBQ35 50B Exploded view The illustration below shows the exploded view Switch box Drain pump assy Accessories Fan...

Страница 261: ...over assy 32 2 Switch box fixing plate 15 Drain pan setting plate 32 3 Terminal fixing plate 16 Drain socket cover assy 1 32 4 Option fixing plate left 17 Drain socket cover assy 2 32 5 Option fixing...

Страница 262: ...ssembly and Maintenance ESIE05 04 5 12 Part 5 Disassembly and Maintenance 3 1 5 5 1 6 FBQ60 71B Exploded view The illustration below shows the exploded view Switch box Drain pump assy Accessories Fan...

Страница 263: ...r assy 32 2 Switch box fixing plate 15 Drain pan setting plate 32 3 Terminal fixing plate 16 Drain socket cover assy 1 32 4 Option fixing plate left 17 Drain socket cover assy 2 32 5 Option fixing pla...

Страница 264: ...sembly and Maintenance ESIE05 04 5 14 Part 5 Disassembly and Maintenance 3 1 5 5 1 7 FBQ100 125B Exploded view The illustration below shows the exploded view Switch box Drain pump assy Accessories Fan...

Страница 265: ...setting plate 31 13 Bearing fixing plate 16 Drain socket cover assy 1 32 Switch box assy 17 Drain socket cover assy 2 32 1 Switch box body 18 Hanger bracket 32 2 Switch box fixing plate 19 Drain pan a...

Страница 266: ...Disassembly and Maintenance ESIE05 04 5 16 Part 5 Disassembly and Maintenance 3 1 5 5 1 8 FDQ125 200 250B Exploded view The illustration below shows the exploded view Switch box...

Страница 267: ...1 Switch box fixing plate 6 28 Insulation switch box 6 3 Terminal fixing plate 6 29 Insulation switch box 6 4 Magnetic contacor 7 Hook 6 6 Switch box body 8 Filter cover 6 7 Option fixing plate left...

Страница 268: ...Disassembly and Maintenance ESIE05 04 5 18 Part 5 Disassembly and Maintenance 3 1 5 5 1 9 FDEQ71 100B Exploded view The illustration below shows the exploded view...

Страница 269: ...ch box cover assy 4 5 Fan motor assy 16 2 Switch box mounting plate assy 4 6 Fan motor stand 16 3 Resin case 4 7 Motor fixing plate assy 16 4 PCB assy 4 8 Capacitor 5 microf 16 5 Transformer 4 9 Cable...

Страница 270: ...Disassembly and Maintenance ESIE05 04 5 20 Part 5 Disassembly and Maintenance 3 1 5 5 1 10 FDEQ125B Exploded view The illustration below shows the exploded view...

Страница 271: ...16 Switch box assy 4 5 Fan motor assy 16 1 Switch box cover assy 4 6 Fan motor stand 16 2 Switch box mounting plate assy 4 7 Motor fixing plate assy 16 3 Resin case 4 8 Capacitor 5 microf 16 4 PCB as...

Страница 272: ...Suction Grille 5 23 Removal of Air Filter 5 24 Removal of Decoration Panel 5 26 Removal of Horizontal Blade 5 28 Removal of Swing Motor 5 29 Removal of Switch Box 5 31 Removal of PC Board 5 33 Removal...

Страница 273: ...power supplies before disassembling work Procedure Step Procedure Points 1 Removing the suction grille cPush the buttons and pull down 1 Push the 2 buttons simultaneously and pul the suction grille do...

Страница 274: ...minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the air filter 1 Open the suction grille Refer to the procedure for removing t...

Страница 275: ...sembly and Maintenance 5 25 3 5 1 5 2 Mounting the air filter 1 Hook the air filter on projections at the top of 2 Force the bottom of the air filter into projections at the bottom of the suction gril...

Страница 276: ...e corner from the pin to dismount the decoration cover 1 To remove the decoration covers in the corner pull the inside suction grille side down 2 Remove the one screw to dismount the terminal block bo...

Страница 277: ...en remove the 2 mounting fixtures on the inside Section B 6 Remove the decoration panel Q Mounting the decoration coverin the corner Mount the decoration cover so that 4 hooks on the decoration cover...

Страница 278: ...ts 1 Remove 4 screws each 16 screws in total to dismount the 4 seal materials 2 Remove 2 screws each 16 screws in total to dismount the 8 horizontal blade bearings Reassembling Q Make sure that the ai...

Страница 279: ...l power supplies before disassembling work Procedure Step Procedure Points 1 Remove the decoration cover in the corner located right below the refrigerant piping 2 Remove the 2 swing motor mounting sc...

Страница 280: ...e aluminum tape 1 After installing the swing motor be sure to turn off the power supply for reset for initializing the vane positions 2 Be sure to engage the gears on the motor side and panel side Imp...

Страница 281: ...ting screws on the switch box cover 2 Remove the 1 mounting screw on the terminal block cover 3 Disconnect each connector 7 connectors in total connected to the inside of the switch box Q Transfer con...

Страница 282: ...40D Relay connector 5 Remove the grounding wire mounting screw 6 Remove the switch box fixing screw 7 Tilt the switch box in the direction shown by the arrow then draw the entire switch box out Status...

Страница 283: ...ch box according to the procedure for removing the switch box 1 Remove 2 switch box mounting screws to open the box 1 Disconnect the control PC board 1 Disconnect the 2 connectors between the power su...

Страница 284: ...Disassembly and Maintenance 3 1 5 5 3 Disconnect the power supply PC board 1 Disengage the 3 tabs on the front by pressing the back of the PC board in the direction shown by the arrow then remove the...

Страница 285: ...e after turning off all power supplies before disassembling work Procedure Step Procedure Points Q Remove the terminal block box cover according to the procedure for removing the switch box 1 Disconne...

Страница 286: ...Transfer connector z Wired remote controller z Swing motor z Humidity sensor Connector built in the switch box z Connector used for power supply cables 1 Removing the bell mouth 1 Disconnect the 2 rem...

Страница 287: ...Remove the resin nut and fan rotor retainer to dismount the fan rotor 3 Remove the fan motor 1 Disconnect the 2 connectors on the fan motor 2 Remove the nut with collar and vibro isolating runner to...

Страница 288: ...ain Pump Float Switch Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the drain pan 1 Remove the dr...

Страница 289: ...wire to the drain pump mounting plate z Clamp material bundling the drain pump lead wire and float switch lead wire 3 Removing the float switch Q When removing the float switch cut the following clam...

Страница 290: ...mp materials screw type fixing to the drain pan with the use of mounting screws Step Procedure Points Mounting screw For float switch Float switch Float switch lead wire Mounting plate Provided clamp...

Страница 291: ...turning off all power supplies before disassembling work Procedure Step Procedure Points Q Remove the drain pan according to the procedure for removing the drain pan 1 Cut the clamp material 2 Draw t...

Страница 292: ...4 Removal of Decoration Panel 5 46 Removal of Horizontal Vane 5 49 Removal of Swing Motor 5 51 Removal of Switch Box 5 53 Removal of Fan Rotor and Fan Motor 5 55 Removal of Drain Pan 5 58 Removal of D...

Страница 293: ...er supplies before disassembling work Procedure Step Procedure Points 1 Removing the suction grille 1 To remove the suction grille slide the two tabs simultaneously and pull the suction grille down sl...

Страница 294: ...sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the air filter 1 Open the suction grille See Removal of Suctio...

Страница 295: ...Installation of the air filter 1 Hook the air filter to the protrusions located at the top of the suction grille 2 Push the lower section of the air filter into the protrusions located at the bottom o...

Страница 296: ...power supplies before disassembling work Procedure Step Procedure Points 1 Removing the decoration panel 1 Remove the switch box cover and disconnect the connector of swing motor from the harness conn...

Страница 297: ...is attached with 4 mounting screws Remove the two fixing screws at the switch box side first 4 Loosen the other two screws by approx 10 mm The decoration panel is hung with these two fixing screws and...

Страница 298: ...04 5 48 Part 5 Disassembly and Maintenance 3 1 5 5 5 Turn the provisional hanger to disengage it from the hook of switch box and slide the decoration panel in the arrow direction to remove the panel...

Страница 299: ...our corners of frame fixed with three screws each At that time peel the end of black sealing material of discharge port in part Q Peel not the anti sweat material but only sealing material of discharg...

Страница 300: ...ESIE05 04 5 50 Part 5 Disassembly and Maintenance 3 1 5 5 3 Remove the two screws for each bearing of horizontal vane 16 screws in total 4 Remove the horizontal vane Step Procedure Points Fixing screw...

Страница 301: ...Procedure Step Procedure Points 1 Removing the decoration panel Q Refer to the Removal of Decoration Panel 2 Pull out the swing motor harness from the wiring groove 3 Remove two mounting screws for sw...

Страница 302: ...ration or abnormal noise may be caused Install the motor after checking of correct gear engagement 2 Install the swing motor in reverse process of removal procedure Q When install the decoration panel...

Страница 303: ...x Two pieces of M4 screws 2 Disconnect the connection wires for outdoor units and earth wire At this time cut the tie wrap fixing the connection wires Disconnect wire of remote controller also At this...

Страница 304: ...ing lead wires of float switch thermistor for heating and liquid pipe thermistor 5 Remove two fixing screws located at both ends of switch box and one screw inside the box 6 Remove the switch box Five...

Страница 305: ...s Q A convex protrusion is provided at the position of bell mouth fixing screw to prevent misjudgment with switch box fixing position 1 Removing the fan rotor 1 Remove the resin nut and rotation stopp...

Страница 306: ...of the fan do not apply excessive torque to the shroud the slash part of Fig 2 Note There is no problem to hold the shroud when carrying or lifting the fan 2 Removing the fan motor 1 Disconnect the h...

Страница 307: ...ESIE05 04 Disassembly and Maintenance Part 5 Disassembly and Maintenance 5 57 3 5 1 5 3 Pull down the fan motor slowly Step Procedure Points S2657...

Страница 308: ...cedure Step Procedure Points 1 Remove the drain socket to drain water from the drain hole 2 Remove the 4 mounting screws to remove the drain pan Q Remove the drain socket to drain water from the drain...

Страница 309: ...or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the drain pump 1 Remove two screws fixing float switch ass y Screwdande 2 Remove the f...

Страница 310: ...5 5 3 Cut the tie wrap fixing the drain hose Remove the screw c Q When pulling out the drain hose be sure to wear safety gloves to prevent your finger from injury with heat exchanger fin 4 Pull out th...

Страница 311: ...n Pump Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Installing the drain pump 1 Put the lead wire in the...

Страница 312: ...rting the drain hose should be executed before installation of float switch in order to prevent the float switch from damage Q Put the tie wrap on the white line on the hose inserted Q When inserting...

Страница 313: ...y 5 Install the drain pump together with the float switch with screw d and e Step Procedure Points S2661 Wiring groove Lead wires Screw Screw S2669 When install the drain pan put the lead wires of flo...

Страница 314: ...ocedure Step Procedure Points 1 Disconnect the grounding terminal from the header 2 Pull apart the thermistor ass y and motor lead wire from the clamps Pull out the thermistor from the slit of heat ex...

Страница 315: ...sure to use a heat resistance tie wrap when installing new thermistor Heat resistance tie wrap Parts No 1278921 Drg No 4SA90202 1 6 Pull out the thermistor from the insertion pipe Thermistor for heat...

Страница 316: ...Procedure Points 1 Removing the heat exchanger 1 Remove the refrigerant pipe after completion of refrigerant collection and pump down operation Q This work should be performed with two personnel inclu...

Страница 317: ...of heat exchanger into intimate contact with the polystyrene partition plate correctly 2 Insert the claw section of pipe fixing plate into the contracted part of the external plate securely Step Proce...

Страница 318: ...Set the lead wire with yellow tape for heating upper side while that with no tape for liquid lower side 5 Reinstall the lead wire of thermistor and anti sweat tube on the original position by using tw...

Страница 319: ...e thermistor ass y through the clamps and the slit of partition plate securely as the original state Pass the lead wire of motor also through the clamp securely 8 Insert the grounding terminal to the...

Страница 320: ...cur due to leakage of cool air 10 Installing the bell mouth When install the bell mouth put the lead wires of fan motor and thermistor into the wiring groove securely as they were taking care that the...

Страница 321: ...71 3 5 1 5 12 Install the switch box with two M4 screws and one M5 screw Q For installation of the switch box refer to the Removal of Switch Box on page 5 53 Q For re wiring inside the switch box ref...

Страница 322: ...p X36A Air temperature thermistor X19A High tension cable of transformer X11A Low tension cable of transformer X10A Outdoor unit connection wire X27A Fan motor lead wire X20A Lead wire of remote contr...

Страница 323: ...o pieces of wire of thermistor to the switch box by using tie wraph Use tie wrap properly to prevent the wire from contact with hot part of the PC board Insert the rubber bushing of air temperature th...

Страница 324: ...itch box with tie wrap j The tie wrap is used for preventing the wire from contact with a hot part on the PC board 3 Installing the decoration panel 1 Put the two holes on the decoration panel to the...

Страница 325: ...y and Maintenance Part 5 Disassembly and Maintenance 5 75 3 5 1 5 2 Insert the lead wires of swing flap to the connector on the PC board 3 Install the cover of switch box and the grille Step Procedure...

Страница 326: ...pplies before disassembling work Procedure Step Procedure Points 1 Removing the receiver section 1 Remove two screws of the transmission parts box to remove the box 2 Cut the tie wrap fixing transmiss...

Страница 327: ...ush three claws on the rear side of panel to remove the corner cover receiver section 2 Installing the receiver section 1 Pass through the lead wire of the receiver section and insert the corner cover...

Страница 328: ...e of the transmission parts box removed For details of setting refer to the instruction manual of wireless remote controller kit 6 Mount the transmission parts box with two screws after checking that...

Страница 329: ...w This part contains the following topics Topic See page Removal of Air Filter and Suction Grille 5 80 Removal of Electrical Parts and PC Boards 5 82 Removal of Horizontal Blade 5 85 Removal of Fan Ro...

Страница 330: ...on Grille Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Push the 2 tabs and open the suction grilles 2 Pus...

Страница 331: ...ESIE05 04 Disassembly and Maintenance Part 5 Disassembly and Maintenance 5 81 3 5 1 5 3 Grip the suction grille hinge strongly and remove the suction grille Step Procedure Points...

Страница 332: ...val of Electrical Parts and PC Boards Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Loosen the 2 screws of...

Страница 333: ...y and Maintenance 5 83 3 5 1 5 3 Pull down the control box and let it hang by the 2 locations in the rear Electrical parts can now be removed 4 Disconnect the connector mounted on the PC board 5 Remov...

Страница 334: ...Disassembly and Maintenance ESIE05 04 5 84 Part 5 Disassembly and Maintenance 3 1 5 5 6 Slide the PC board to the left away from the tabs on the right and remove the PC board Step Procedure Points...

Страница 335: ...orizontal blade and detach the center shaft Two shafts provided on Types 140 and 160 2 Then gently bend the center of the horizontal blade and take both the end shafts out of their bearings Q When rem...

Страница 336: ...5 1 13 4 Removal of Fan Rotor and Fan Motor Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Push the 2 tabs...

Страница 337: ...nd Maintenance Part 5 Disassembly and Maintenance 5 87 3 5 1 5 2 Loosen the 2 hexagon set screws of the intermediate bearing 3 Slide the intermediate bearing to the right and remove the fan rotor ass...

Страница 338: ...and get the connector exposed Q Aconnectors Connector 1 handles high voltage 220 240 V so be sure to turn of the power supply before disconnecting 5 Disconnect the 2 fan motor connecting connectors 6...

Страница 339: ...val of Fan Bearing Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points Q Remove the fan rotor according to the pro...

Страница 340: ...enance ESIE05 04 5 90 Part 5 Disassembly and Maintenance 3 1 5 5 2 Slide the left side panel toward the front of the unit and remove 3 Remove the 2 bearing installation screws and remove the bearing S...

Страница 341: ...e disassembling work Procedure Step Procedure Points 1 Remove the 7 bottom panel installation screws 2 each on the left and right 3 in the rear and remove the bottom panel Remove the rear surface scre...

Страница 342: ...Disassembly and Maintenance ESIE05 04 5 92 Part 5 Disassembly and Maintenance 3 1 5 5 3 Remove the drain pan retainer 2 screw...

Страница 343: ...he screw from the right side panel Slide the right side panel toward the front and detach it 2 Cut off the tie wrap of the swing motor connector 3 Disconnect the connector from the swing motor connect...

Страница 344: ...0 125B Overview This part contains the following topics Topic See page Removal of Air Filter 5 95 Removal of Suction Grille 5 96 Removal of Fan 5 98 Removal of Fan Motor 5 100 Removal of Drain Pan 5 1...

Страница 345: ...ter turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Opening suction grille Push two tabs on suction grille toward the center of grille at the same time 2 Pul...

Страница 346: ...Removal of Suction Grille Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Unhook two drop prevention strings...

Страница 347: ...ESIE05 04 Disassembly and Maintenance Part 5 Disassembly and Maintenance 5 97 3 5 1 5 3 Disengage three hooks located at rear side of the grille to remove suction grille Step Procedure Points...

Страница 348: ...wer supplies before disassembling work Procedure Step Procedure Points 1 Remove two mounting screws to dismount switch box cover 2 Remove suction air temperature thermistor attached to bell mouth 3 Be...

Страница 349: ...intenance Part 5 Disassembly and Maintenance 5 99 3 5 1 5 4 Remove bell mouth by sliding to piping direction 5 To dismount fan remove washer based nut using double ended wrench 6 Remove fan by pulling...

Страница 350: ...disassembling work Procedure Step Procedure Points 1 Removing fan motor a Disconnect connector b Remove lead wire retaining plate Caution Fan motor can be removed without removing the lead wire retai...

Страница 351: ...ESIE05 04 Disassembly and Maintenance Part 5 Disassembly and Maintenance 5 101 3 5 1 5 3 Remove motor by pulling down Step Procedure Points...

Страница 352: ...ait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points Q Remove suction grille according to the Removal of air filter and that of suction...

Страница 353: ...ce with next process Caution This work should be done by two personnel If drain water remain in the pan it may drop and stain on the floor Make sure to check if no drain water remain in the pan or cov...

Страница 354: ...Disassembly and Maintenance ESIE05 04 5 104 Part 5 Disassembly and Maintenance 3 1 5 5 6 Remove drain pan by pulling it down Step Procedure Points...

Страница 355: ...isassembling work Procedure Step Procedure Points 1 Drain pump is located at piping side Cut clamp material of hose and disconnect hose from pump Caution When reconnect drain hose with the pump secure...

Страница 356: ...5 Disassembly and Maintenance 3 1 5 5 4 Removing float switch a Loosen three mounting screws to remove drain pump mounting base b Remove two screws located at opposite side of drain pump mounting bas...

Страница 357: ...minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points Q Remove suction grille according to Removal of Suction Grille 1 Swing motor is located a...

Страница 358: ...Disassembly and Maintenance ESIE05 04 5 108 Part 5 Disassembly and Maintenance 3 1 5 5 4 Remove two screws to dismount swing motor Step Procedure Points...

Страница 359: ...5 1 5 1 14 8 Removal of Air Flow Control Blade Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 To remove hor...

Страница 360: ...Disassembly and Maintenance ESIE05 04 5 110 Part 5 Disassembly and Maintenance 3 1 5 5 2 Remove horizontal blade Step Procedure Points...

Страница 361: ...lowing topics Topic See page Removal of Air Filter and Front Panel 5 112 Removal of Front Grille 5 112 Removal of the horizontal blade and vertical blade 5 115 Removal of Electrical Box 5 117 Removal...

Страница 362: ...more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Put your fingers on protrusions at left and right side of the unit to open the front panel 2 To re...

Страница 363: ...and Maintenance Part 5 Disassembly and Maintenance 5 113 3 5 1 5 3 Disengage the holding section on upper right of the panel by pushing toward left then slide toward right to remove the front panel S...

Страница 364: ...panel in accordance with Removal of Front Panel 1 Remove three pieces of front grille fixing screws 2 Remove the front grille by pulling forward while pushing three hooks located at upper part of the...

Страница 365: ...ng Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Removing the horizontal blade 1 Open the horizontal blade 2 Bend...

Страница 366: ...ving the vertical blade 1 Disengage the protrusion on upper side of blade from holder plate Three locations 2 Push the vertical blade backward and pull the lower side forward to disengage the blade fr...

Страница 367: ...dure Points Q Removing the front grille in accordance with Removal of Front Grille 1 Remove the screw on the service cover 2 Remove the screw on the drip proof plate 3 Remove the screw for the groundi...

Страница 368: ...rming vacuum dehydration Caution Don t mix air or the like other than the specified refrigerant into a refrigeration circle Mixing of air or other gas causes abnormal high pressure in the refrigeratin...

Страница 369: ...electrical box in accordance with Removal of Electrical Box 1 Removing the fan motor 1 Insert a Phillips tip screwdriver into the air outlet and remove the screws fixing the fan motor and fan rotor Th...

Страница 370: ...r more after turning off all power supplies before disassembling work Procedure Step Procedure Points Q Removing the front grille in accordance with Removal of Front Grille 1 Disconnect the air swing...

Страница 371: ...Removal of Front Grille Q The drain pan and bottom frame are designed as an integral type Q Insert the drain hose to the hose plug securely as far as it will go 1 Pull out the drain hose attached on...

Страница 372: ...wing topics Topic See page Removal of Air Filter 5 123 Removal of Slide Panel Operation Display Cover and Front Grille 5 124 Removal of Electrical Parts Box 5 125 Removal of PC Board 5 126 Removal of...

Страница 373: ...ance 5 123 3 5 1 5 1 16 1 Removal of Air Filter Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points 1 Hold the air...

Страница 374: ...rk Procedure Step Procedure Points 1 Remove the left and right side panels 1 white screw each on left and right The wiring diagram is applied to the right side panel and troubleshooting list is applie...

Страница 375: ...re Points Q Remove the left and right side panels operation display cover and front grille according to the procedures for their removal The left and right side panels have to be taken off in order to...

Страница 376: ...re Points Q Remove the outer panels according to the procedure for Removal of Electrical Parts Box 1 Disconnect the front side wiring connector connected to the PC board 2 Disconnect the PC board from...

Страница 377: ...Swing Louvre Unit Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Procedure Step Procedure Points Q Remove the electrical parts box according...

Страница 378: ...Maintenance ESIE05 04 5 128 Part 5 Disassembly and Maintenance 3 1 5 5 3 Remove the swing motor from the swing Louvre unit You can replace the swing motor without removing the swing Louvre unit Step P...

Страница 379: ...turning off all power supplies before disassembling work Procedure Step Procedure Points Q Remove side panels and other external casing and electrical parts box according to their removal procedures...

Страница 380: ...disassembling work Procedure Step Procedure Points Q If removing the drain pan Carry out pump down disconnect the transmission piping and wiring and remove the main unit The bottom panel is fastened t...

Страница 381: ...and Maintenance 5 131 3 5 1 5 3 Remove the air discharge unit 7 screws Center of air discharge section also screw fastened 4 Remove the drain pan 1 Pull left side toward yourself 2 Move the drain hos...

Страница 382: ...ore disassembling work Procedure Step Procedure Points Q Before dismounting a heat exchanger make sure to proceed pump down refrigerant to outdoor unit and disconnect the connection pipe and wiring th...

Страница 383: ...ep Procedure Points Q Remove the heat exchanger according to Removal of Heat Exchanger You can also remove the auxiliary electric heater without removing the heat exchanger 1 Remove the 2 screws of th...

Страница 384: ...Disassembly and Maintenance ESIE05 04 5 134 Part 5 Disassembly and Maintenance 3 1 5 5...

Страница 385: ...hanging Field settings wired remote controller k 4 11 Field settings wireless remote controller k 4 12 Maintenance mode settings k 4 21 Checking Clogged points k 3 60 Fan motor k 3 61 PCB s Hall IC k...

Страница 386: ...3 59 Exploded views Indoor units k 5 3 F Factory settings Indoor units k 4 14 Fan and flap operations k 2 22 Fan Bearing k 5 89 Fan Motor k 5 55 5 86 5 100 5 119 5 129 Fan Rotor k 5 55 5 86 5 119 5 1...

Страница 387: ...mistor k 5 64 Replacement of heat exchanger k 5 66 Replacement of PC board k 5 72 Replacement of receiver of wireless remote controller k 5 76 FHQ35 125B Removal of air filter and suction grille k 5 8...

Страница 388: ...n between indoor and outdoor unit k 3 46 Transmission between indoor unit and remote controller k 3 48 Transmission between MAIN and SUB remote controller k 3 49 Motor lock Indoor unit fan k 3 36 O Op...

Страница 389: ...3 5 43 5 80 5 96 Swing Motor 5 51 5 93 5 107 5 120 Switch box Layout 1 95 Removal 5 53 T Technical specifications k 1 45 Test run Checks k 4 4 Thermistor Indoor Heat Exchanger k 5 64 Thermistors Check...

Страница 390: ...ESIE05 04 vi Index 3 1 4 5 W Wiring diagrams Indoor units k 1 61...

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