Mitsubishi Heavy Industries SRK60ZJX-S страница 180 Скачать руководство пользователя | Manualshive

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'10 • SR-T-091

'09•SRK-DB-087D

2 TROUBLESHOOTING PROCEDURES FOR ELECTRICAL EQUIPMENT

(1) Cautions

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(2) Items to check before troubleshooting

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(3) Troubleshooting procedure (If the air conditioner does not run at all)

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Reference

Reference

'09•SRK-DB-087D

(4) Troubleshooting procedure (If the air conditioner runs)

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Содержание SRK60ZJX-S

Страница 1: ...m air to air heat pump type Wall mounted type SRK20ZJ S SRK25ZJ S SRK35ZJ S SRK50ZJ S SRK20ZJX S SRK25ZJX S SRK35ZJX S SRK50ZJX S SRK60ZJX S Floor standing type SRF25ZJX S SRF35ZJX S SRF50ZJX S Ceiling concealed type SRR25ZJ S SRR35ZJ S Ceiling cassette 4way compact type FDTC25VD FDTC35VD ...

Страница 2: ...unted type SRK 41 2 Floor standing type SRF 50 4 Ceiling cassette 4way compact type FDTC 55 84 3 Ceiling concealed type SRR 53 7 RANGE OF USAGE LIMITATIONS 62 8 CAPACITY TABLES 5 PIPING SYSTEM 57 68 9 APPLICATION DATA 1 Wall mounted type SRK 62 4 Ceiling cassette 4way compact type FDTC 67 2 Floor standing type SRF 65 3 Ceiling concealed type SRR 66 9 1 Installation of indoor unit 68 1 Wall mounted...

Страница 3: ...ction 118 10 2 Models SRK20 60ZJX S 125 2 Unit ON OFF button 126 1 Operation control function by remote controller 125 4 Custom cord switching procedure 3 Auto restart function 126 9 Outline of heating operation 5 Flap and louver control 127 8 Installation location setting 129 6 3D auto operation 128 7 Timer operation 129 139 2 Unit ON OFF button 139 4 Custom cord switching procedure 3 Auto restar...

Страница 4: ...red remote controller 162 4 Operation control function by the outdoor controller 172 4 Troubleshooting procedure If the air conditioner runs 11 1 SRK SRF and SRR series 178 3 Troubleshooting procedure If the air conditioner does not run at all 178 1 Cautions 178 2 Items to check before troubleshooting 178 199 10 How to make sure of wireless remote controller 195 11 2 FDTC series 11 Outdoor unit in...

Страница 5: ...8 2 Troubleshooting 209 1 List of troubles 11 2 2 Troubleshooting flow 209 208 12 3 Simple wired remote controoller FDTC series RCH E3 256 12 4 Interface kit SC BIKN E 262 12 5 Super link E board SC ADNA E 266 12 6 Ducted type SRRM optional parts 268 How to read the model name Example SRK 20 Z Series code Inveter type Product capacity Model name SRK Wall mounted type SRC Outdoor unit SRF Floor sta...

Страница 6: ...rol Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protection High pressure control Cooling overload protection Instal...

Страница 7: ...r Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protection High pressure control Cooling overload p...

Страница 8: ...er Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protection High pressure control Cooling overload ...

Страница 9: ...tric heater Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protection High pressure control Cooling ...

Страница 10: ...tric heater Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protection High pressure contr...

Страница 11: ...lectric heater Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protection High pressure co...

Страница 12: ...Electric heater Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protection High pressure c...

Страница 13: ...ectric heater Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protection High pressure con...

Страница 14: ... Electric heater Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protection High pressure ...

Страница 15: ...for compressor Electric heater Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green AIR OUTLET SELECTION Green ECONO Green Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overlo...

Страница 16: ...r Electric heater Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green AIR OUTLET SELECTION Green ECONO Green Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protection...

Страница 17: ...sor Electric heater Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green AIR OUTLET SELECTION Green ECONO Green Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protecti...

Страница 18: ... Electric heater Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green ECONO Green Safety devices Compressor overheat protection Overcurrent protection Drain error protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload protection High...

Страница 19: ... for compressor Electric heater Operation control Operation switch Wireless Remote control Room temperature control Microcomputer thermostat Operation Display RUN Green TIMER Yellow HI POWER Green ECONO Green Safety devices Compressor overheat protection Overcurrent protection Drain error protection Frost protection Serial signal error protection Indoor fan motor error protection Heating overload ...

Страница 20: ...thane form Electric heater W Remote controller wired RC E4 option wireless RCN TC 24W ER option Room temperature control Thermostat by electronics Safety equipment Overload protection for fan motor Frost protection thermostat Internal thermostat for fan motor Abnormal discharge temperature protection Installation data Refrigerant piping size mm Liquid line I U φ6 35 1 4 Pipe φ6 35 1 4 0 8 O U φ6 3...

Страница 21: ...n noise heat Polyurethane form Electric heater W Remote controller wired RC E4 option wireless RCN TC 24W ER option Room temperature control Thermostat by electronics Safety equipment Overload protection for fan motor Frost protection thermostat Internal thermostat for fan motor Abnormal discharge temperature protection Installation data Refrigerant piping size mm Liquid line I U φ6 35 1 4 Pipe φ6...

Страница 22: ... down piping 㧔Refer to the above view㧕 Hole on wall for right rear piping Hole on wall for left rear piping Gas piping Outlet for wiring Drain hose Liquid piping F E C D B Symbol A 㧔Ǿ65㧕 VP16 Ǿ6 35㧔1㧛4 㧕㧔Flare㧕 Content 㧔Ǿ65㧕 20㨪35 Ǿ9 52㧔3㧛8 㧕㧔Flare㧕 Outlet for piping㧔on both side㧕 G 50 Ǿ12 7㧔1㧛2 㧕㧔Flare㧕 Model Unit mm غ 120 19 60 150 17 3 G 790 60 14 5 45 31 60 45 798 294 229 3 45 60 9 100 106 5 5...

Страница 23: ... D C A E B Wired remote controller 㧔Option㧕 Notes㧔1㧕The model name label is attached ޓޓ ޓ on the underside of the panel Wireless remote controller ޓ 㧔2㧕It takes the interface kit 㧔SC BIKN E㧕 ޓޓ ޓ to connect the wired remote controller Terminal block Ǿ9 52 㧔3㧛8 㧕㧔Flare㧕 Ǿ12 7 㧔1㧛2 㧕㧔Flare㧕 Model 20 25 35 Model 50 60 881 9 59 9 26 20 9 59 9 46 5 61 5 46 5 61 5 890 309 9 61 5 3 220 50 120 650 120 1...

Страница 24: ... 㧔Option㧕 Wired remote controller Wireless remote controller A B C F F F F G Screw point fasten the indoor unit Ǿ5 860 238 15 60 60 100 60 55 157 2 76 3 85 3 22 7 185 25 5 30 5 198 804 65 65 45 585 30 5 103 5 585 45 83 5 620 156 5 5 2 726 Notes 㧔1㧕 The model name label is attached on the rightside of the unit 㧔2㧕 It takes the interface kit 㧔SC BIKN E㧕 to connect the wired remote controller 㧔3㧕 In ...

Страница 25: ...te 1 The model name label is attached on the lid of the control box 120 19 60 150 17 3 2 It takes the interface kit SC BIKN E to connect the wired remote controller 236 30 100 540 100 52 148 30 9 φ2 8 Holes for tapping screws φ4 11 φ2 8 Holes for tapping screws φ4 Holes for tapping screws φ4 6 M4 For hanger plate 710 710 174 4 177 168 168 168 168 694 23 10 10 10 24 168 168 168 168 160 40 190 30 3 ...

Страница 26: ...de If it is installed on a ceiling other than 2x2 grid ceiling Obstacle Remote controller Space for installation and service Option Make a space of 4000 or more between the units when installing more than one Ducting for air outlet 6 φ4 Holes for Hole tapping screws Hanger plate for suspension bolt Drain hose piece Accessory Control box Installed on site Decorative panel Air supply Air return gril...

Страница 27: ... lower right comer of the front panel L4 L3 L1 Intake Service space Intake Outlet Minimum installation space L2 L2 L3 L4 L1 100 100 250 Open 㧵㧵㧵 Open 250 80 280 㧵㧵㧵 280 Open 80 75 Examples of Dimensions installation 㧵㨂 180 Open 80 Open Ǿ9 52㧔3㧛8 㧕㧔Flare㧕 Content C Pipe㧛cable draw out hole D E Anchor bolt hole Drain discharge hole Symbol B A Service valve connection㧔gas side㧕 M10 4places Ǿ20 2...

Страница 28: ... Flare Notes 1 It must not be surrounded by walls on the four sides 2 The unit must be fixed with anchor bolts An anchor bolt must not protrude more the 15mm 3 Where the unit is subject to strong winds lay it in such a direction that the blower outlet faces perpendicularly to the dominant wind direction 4 Leave 1m or more space above the unit 5 A wall in front of the blower outlet must not exceed ...

Страница 29: ...y it in such a direction that the blower outlet faces perpendicularly to the dominant wind direction 4 Leave 1m or more space above the unit 5 A wall in front of the blower outlet must not exceed the units height 6 The model name label is attached on the lower right corner of the front panel φ9 52 3 8 Flare Content C Pipe cable draw out hole E Anchor bolt hole Drain discharge hole Symbol B A Servi...

Страница 30: ...ove the unit 5 A wall in front of the blower outlet must not exceed the units height 6 The model name label is attached on the lower right corner of the front panel A C D B E φ12 7 1 2 Flare Content C Pipe cable draw out hole D E Anchor bolt hole Drain discharge hole Symbol B A Service valve connection gas side M10 4places φ20 5places Service valve connection liquid side φ6 35 1 4 Flare Unit mm 93...

Страница 31: ...R T 091 3 Remote controller a Wireless remote controller Models SRK SRF SRR 60 17 150 Unit mm 60 17 3 150 ٨The wireiess remote controller in the following figure shows for the SRK series Model FDTC Option parts ...

Страница 32: ...kness 100 to 200m 0 5mm2 2 cores 0 75mm2 2 cores 1 25mm2 2 cores 2 0mm2 2 cores Under 300m Under 400m Under 600m Upper part Lower part Lower case Sheath Upper cace Board Wiring Upper Lower X Y Sheath Upper cace Board Wiring Upper Lower Y X Tighten the screws after cutting off the thin part of screw mounting part Embedded mounting The peeling off length of sheath The peeling off length of sheath In...

Страница 33: ...HEAT EXCHANGER 5 FMI SMI LM1 LM2 F Va ThI Th2 Th3 T DS 㨪㨪 Blue Black BK Red BL RD White WH Yellow㧛Green Y㧛G Color Mark Heat exch sensor Fan motor Room temp sensor Flap motor Diode stack DS Fuse F Connector CNE CNY FMI Terminal block T Description Item Varistor Va LM1 2 SMI Louver motor ThI Th2 3 Yellow Y Humidity sensor HD Power Source 1 Phase 220㧛230㧛240V 50Hz RWA000Z226 3 ELECTRICAL WIRING 1 In...

Страница 34: ...L Y Y㧛G BK t Th2 1 Th2 2 Th3 LM1 LM2 SM1 SM2 FMI DS t t TO OUTDOOR UNIT HEAT EXCHANGER 1 2㧛N 3 POWER WIRES SIGNAL WIRE 1 2 N 3 Power source 1 phase 220 240 V 50Hz T Color Marks Blue Black BK Red BL RD White WH Yellow㧛Green Y㧛G Yellow Y Color Mark Heat exch sensor Humidity sensor 㧔50 60 only㧕 Fan motor Room temp sensor Flap motor Th1 Th2 Th3 Diode stack DS Fuse F Connector CNE CNY FMI Terminal bloc...

Страница 35: ... block T Damper motor DM1 SM1 2 1 2 Damper arm motor Description Item Varistor Va DM2 250V F G 3 15A S㧛N Va CNU CNS INTERFACE KIT SC BIKN E CNG CNE DISPLAY WIRELESS RECEIVER J CNF U M HEAT 1 3 4 5 6 BACK UP SW 5 2 10 EXCHANGER L Th1 BOARD CIRCUIT PRINTED CNX2 CNX1 M M M M 5 5 5 5 5 5 5 5 RD WH RD WH BK BL YE Y㧛G BK t Th21 Th22 Th3 DM1 DM2 SM1 SM2 FMI DS t t TO OUTDOOR UNIT HEAT EXCHANGER 1 2㧛N 3 P...

Страница 36: ... 3 WH BK Y㧛G RD S㧛N J RD BK WH BOX CONTROL U 8 2 2 2 RD CNW M F 250V 0 16A RD OR 5 1㨪 WH WH BK 2 BK 10 BK L CNS FM DM Th1 Th2 Th3 t TO OUTDOOR UNIT POWER WIRES SIGNAL WIRE 1 2 N 3 Power source 1 phase 220 240 V 50Hz BK BL OR RD YE WH Y㧛G White Yellow㧛Green Black Blue Orange Red Yellow Connector CNE CNY FM DM Fuse Fan motor Drain motor Th2 Th3 Room temp sensor Heat exch sensor 1 Heat exch sensor 2 ...

Страница 37: ...N Y GN 6 7 8 9 BK BK BK BK 10 BK 11 BK 12 BK 13 BK 14 BK 15 BK 16 BK 17 BK BK 18 BK 19 BK 20 BK 1 2 3 4 5 BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 I FS LM1 4 DM FM Float switch Drain motor Fan motor Louver motor Indication lamp Red Inspection Indication lamp LED 3 F200 203 Fuse LED 2 Connector CNB Z Green Normal operation Model capacity setting S...

Страница 38: ...le specifications are based on the assumption that a metal or plastic conduit is used with no more than three cables contained in a conduit and a voltage drop is 2 For an installation falling outside of these conditions please follow the internal cabling regulations Adapt it to the regulation in effect in each country 9 2 0 32 1 5mm2 x 3 1 5mm2 25 20 35 MAX running current Power cable size 㧔mm 㧕 2...

Страница 39: ... in each country The cable specifications are based on the assumption that a metal or plastic conduit is used with no more than three cables contained in a conduit and a voltage drop is 2 For an installation falling outside of these conditions please follow the internal cabling regulations Adapt it to the regulation in effect in each country 14 2 0 18 1 5mm2 x 3 1 5mm2 3 1 2 N 50 M T2 T1 S BK WH R...

Страница 40: ...current should be chosen along the regulations in each country The cable specifications are based on the assumption that a metal or plastic conduit is used with no more than three cables contained in a conduit and a voltage drop is 2 For an installation falling outside of these conditions please follow the internal cabling regulations Adapt it to the regulation in effect in each country 25 8 2 0 3...

Страница 41: ...g the regulations in each country The cable specifications are based on the assumption that a metal or plastic conduit is used with no more than three cables contained in a conduit and a voltage drop is 2 For an installation falling outside of these conditions please follow the internal cabling regulations Adapt it to the regulation in effect in each country 40 14 2 0 18 1 5mm2 x 3 1 5mm2 50 3 1 2...

Страница 42: ...12 63 10 20 30 40 50 60 70 125 250 500 1000 2000 4000 8000 1000 2000 4000 8000 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 4 NOISE LEVEL Model SRK20ZJ S 10 20 30 40 50 60 70 63 125 250 500 10 20 30 40 50 60 70 N50 N40 N60 N70 N20 N30 Sound Pressure Level dB standard 2 10 5 Pa Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 P a Mid Octave Band frequency Hz 4 NOISE LEVEL 1 Wall...

Страница 43: ... A Cooling Heating Condition ISO T1 JIS C9612 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 1000 2000 4000 8000 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 63 125 250 500 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Sound Pressure Level dB standard 2 10 5 Pa Sound Pressure Level dB standard 2 10 5 Pa Mid Octave Band frequency Hz Mid Octave Band frequency Hz Model SR...

Страница 44: ... A Cooling Heating Condition ISO T1 JIS C9612 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Sound Pressure Level dB standard 2 10 5 Pa Sound Pressure Level dB standard 2 10 5 Pa Mid Octave Band frequency Hz Mid Octave Band frequency Hz Model SR...

Страница 45: ...50 N30 N40 N60 N70 N20 Sound Pressure Level dB standard 2 10 5 P a Mid Octave Band frequency Hz 10 20 30 40 50 60 70 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Indoor Unit Model SRK50ZJ S Noise Level Cooling 46 dB A Heating 45 dB A Cooling Heating Model SRK50ZJ S Outdoor Unit Model SRC50ZJ S Noise Level Cooling 51 dB A Heating 53 dB A Cooling Heating Condition ISO T1 JIS C9612 ...

Страница 46: ...nd frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Outdoor Unit Model SRC20ZJX S Noise Level Cooling 47 dB A Heating 47 dB A 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Cooling Heating Condition ISO T1 JIS C9612 ...

Страница 47: ...nd frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Outdoor Unit Model SRC25ZJX S Noise Level Cooling 47 dB A Heating 47 dB A 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N40 N60 N70 N20 N30 Cooling Heating Condition ISO T1 JIS C9612 ...

Страница 48: ...dB A Cooling Heating Condition ISO T1 JIS C9612 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 ...

Страница 49: ...dB A Cooling Heating Condition ISO T1 JIS C9612 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 ...

Страница 50: ...dB A Cooling Heating Condition ISO T1 JIS C9612 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 ...

Страница 51: ...ard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N40 N60 N70 N20 N30 Cooling Heating Indoor Unit Model SRF25ZJX S Noise Level Cooling 40 dB A Heating 40 dB A Cooling Heating Condition ISO T1 JIS C9612 10 20 30 40 50 60 70 10 20 30 40 50 60 70 Sound Pressure Level dB standard 2 10 5 Pa 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz N50 N30 N40 N60 N70 N20 2 Floor standing type SRF Model SRF2...

Страница 52: ...door Unit Model SRF35ZJX S Noise Level Cooling 41 dB A Heating 41 dB A Cooling Heating Condition ISO T1 JIS C9612 Model SRF35ZJX S Outdoor Unit Model SRC35ZJX S Noise Level Cooling 50 dB A Heating 50 dB A Cooling Heating 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 ...

Страница 53: ...and frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Indoor Unit Model SRF50ZJX S Noise Level Cooling 47 dB A Heating 47 dB A Cooling Heating Condition ISO T1 JIS C9612 N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 10 20 30 40 50 60 70 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa ...

Страница 54: ...rd 2 10 5 Pa 10 20 30 40 50 60 70 N50 N40 N60 N70 N20 N30 Cooling Heating 3 Ceiling concealed type SRR Model SRR25ZJ S Indoor Unit Model SRR25ZJ S Noise Level Cooling 40 dB A Heating 41 dB A Cooling Heating Condition ISO T1 JIS C9612 10 20 30 40 50 60 70 10 20 30 40 50 60 70 Sound Pressure Level dB standard 2 10 5 Pa 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz N50 N30 N40 N60 N...

Страница 55: ...nd frequency Hz Sound Pressure Level dB standard 2 10 5 P a 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 Indoor Unit Model SRR35ZJ S Noise Level Cooling 42 dB A Heating 43 dB A Cooling Heating Condition ISO T1 JIS C9612 10 20 30 40 50 60 70 10 20 30 40 50 60 70 Sound Pressure Level dB standard 2 10 5 Pa 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz N50 N30 N40 N60 N70 N20 ...

Страница 56: ... 50 60 70 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Outdoor Unit Model SRC25ZJX S Noise Level Cooling 47 dB A Heating 47 dB A 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 N50 N40 N60 N70 N20 N30 Cooling Heating Condition ISO T1 JIS C9612 4 Ceiling cassette 4way compact type FDTC Mo...

Страница 57: ...ng Condition ISO T1 JIS C9612 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid Octave Band frequency Hz Sound Pressure Level dB standard 2 10 5 P a 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 N50 N30 N40 N60 N70 N20 Sound Pressure Level dB standard 2 10 5 Pa 10 20 30 40 50 60 70 10 20 30 40 50 60 70 Mid Octave Band frequency Hz 63 125 250 500 1000 2000 4000 8000 Model FDTC35VD ...

Страница 58: ... 57 10 SR T 091 09 SRK DB 087D 5 PIPING SYSTEM Models SRK20ZJ S 25ZJ S Model SRK35ZJ S Humidity sensor HD 5 PIPING SYSTEM ...

Страница 59: ...EV Capillary tube Heat exchanger Model SRK50ZJ S Indoor unit Outdoor unit Flare connection Flare connection Liquid pipe φ6 35 Gas pipie φ12 7 Service valve Heat exchanger Heat exchanger sensor Electronic expansion valve Liquid Strainer Receiver Muffler Capillary tube Outdoor air temp sensor Muffler Muffler Compressor Discharge pipe temp sensor Cooling cycle Heating cycle Check joint 4way valve Ser...

Страница 60: ... sensor Th3 Heat exchanger sensor Th21 Heat exchanger Flare connection Gas pipie φ12 7 Flare connection Liquid pipe φ6 35 Service valve Liquid Muffler Muffler Compressor Discharge pipe temp sensor TH3 Outdoor air temp sensor TH2 Heat exchanger sensor TH1 Capillary tube Heat exchanger Electronic expansion valve Capillary tube EEV Check joint Strainer Room temp sensor Th1 ...

Страница 61: ... D B Heating operation Approximately 10 to 27 D B Refer to the selection chart Cooling operation Approximately 15 to 46 D B Heating operation Approximately 15 to 21 D B Refer to the selection chart Selection chart Correct the cooling and heating capacity in accordance with the conditions as follows The net cooling and heating capacity can be obtained in the following way Net capacity Capacity show...

Страница 62: ...SDFLW QHHGV WR EH DGMXVWHG DOVR ZLWK UHVSHFW WR WKH IURVWLQJ RQ WKH RXWGRRU KHDW H FKDQJHU How to obtain the cooling and heating capacity DPSOH 7KH QHW FRROLQJ FDSDFLW RI WKH PRGHO 65 6 ZLWK WKH SLSLQJ OHQJWK RI P LQGRRU ZHW EXOE WHPSHUDWXUH DW Û DQG RXWGRRU GU EXOE WHPSHUDWXUH Û LV 1HW FRROLQJ FDSDFLW HQJWK P DFWRU E DLU WHPSHUDWXUHV Piping length m Cooling Heating 7 1 0 1 0 10 0 99 1 0 15 0 975 ...

Страница 63: ...DB 31 CDB 33 CDB 14 CWB 16 CWB 18 CWB 19 CWB 20 CWB 22 CWB 24 CWB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC Hi 10 1 m3 min 10 3 94 3 00 4 13 2 95 4 28 3 04 4 35 3 00 4 43 2 97 4 56 3 04 4 68 2 94 12 3 87 2 97 4 06 2 92 4 22 3 02 4 29 2 98 4 37 2 94 4 51 3 02 4 63 2 93 14 3 80 2 93 3 99 2 88 4 16 2 99 4 24 2 96 4 31 2 91 4 46 3 00 4 59 2 91 16 3 72 2 89 3 91 2 85 4 09 2 96 4 18 2 93 4 25 2 8...

Страница 64: ... 2 11 2 28 2 10 2 38 2 23 2 47 2 18 26 1 90 1 80 2 01 1 91 2 14 2 03 2 20 2 09 2 24 2 08 2 35 2 21 2 43 2 18 28 1 85 1 75 1 96 1 86 2 09 1 99 2 15 2 05 2 20 2 05 2 31 2 19 2 40 2 16 30 1 79 1 70 1 90 1 81 2 05 1 94 2 11 2 01 2 16 2 04 2 27 2 16 2 36 2 15 32 1 74 1 65 1 85 1 76 2 00 1 90 2 07 1 96 2 12 2 01 2 23 2 12 2 32 2 14 34 1 69 1 60 1 80 1 71 1 95 1 85 2 02 1 92 2 07 1 97 2 19 2 08 2 28 2 13...

Страница 65: ... 6 59 4 56 6 73 4 51 7 04 4 65 7 30 4 53 28 5 54 4 33 5 87 4 29 6 27 4 53 6 46 4 51 6 60 4 46 6 93 4 61 7 19 4 50 30 5 38 4 25 5 71 4 22 6 14 4 47 6 33 4 45 6 48 4 40 6 82 4 57 7 08 4 46 32 5 23 4 18 5 55 4 14 6 00 4 41 6 20 4 39 6 35 4 35 6 70 4 53 6 97 4 42 34 5 06 4 09 5 39 4 06 5 85 4 34 6 07 4 34 6 21 4 29 6 57 4 49 6 85 4 39 35 4 98 4 05 5 31 4 03 5 78 4 31 6 00 4 31 6 14 4 27 6 51 4 47 6 79...

Страница 66: ... 13 2 61 2 28 2 72 2 24 Air flow Outdoor air temp Indoor air temp 21 CDB 23 CDB 26 CDB 27 CDB 28 CDB 31 CDB 33 CDB 14 CWB 16 CWB 18 CWB 19 CWB 20 CWB 22 CWB 24 CWB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC Hi 9 2 m3 min 10 3 94 3 01 4 13 2 96 4 28 3 06 4 35 3 01 4 43 2 97 4 56 3 04 4 68 2 95 12 3 87 2 97 4 06 2 92 4 22 3 03 4 29 2 99 4 37 2 95 4 51 3 02 4 63 2 93 14 3 80 2 94 3 99 2 89 4 16...

Страница 67: ... 97 2 38 1 95 2 56 2 08 2 64 2 08 2 70 2 05 2 84 2 16 2 95 2 10 32 2 18 1 94 2 31 1 92 2 50 2 06 2 58 2 05 2 64 2 03 2 79 2 13 2 90 2 09 34 2 11 1 90 2 25 1 89 2 44 2 03 2 53 2 03 2 59 2 01 2 74 2 11 2 85 2 07 35 2 08 1 89 2 21 1 87 2 41 2 02 2 50 2 02 2 56 2 00 2 71 2 11 2 83 2 07 36 2 04 1 87 2 18 1 86 2 38 2 01 2 47 2 01 2 53 1 99 2 69 2 10 2 80 2 06 38 1 97 1 84 2 11 1 83 2 32 1 98 2 41 1 98 2...

Страница 68: ...2 17 2 61 2 33 2 69 2 32 2 75 2 30 2 90 2 43 3 01 2 39 32 2 22 2 10 2 36 2 14 2 55 2 31 2 64 2 30 2 70 2 28 2 85 2 42 2 96 2 36 34 2 15 2 04 2 29 2 11 2 49 2 28 2 58 2 28 2 64 2 26 2 79 2 39 2 91 2 35 35 2 12 2 01 2 26 2 10 2 46 2 27 2 55 2 27 2 61 2 25 2 77 2 39 2 89 2 34 36 2 08 1 97 2 22 2 08 2 43 2 25 2 52 2 25 2 58 2 24 2 74 2 38 2 86 2 33 38 2 01 1 91 2 15 2 04 2 36 2 23 2 46 2 23 2 52 2 21 ...

Страница 69: ...ident such as personal injury due to falling from the installation place For installation work be careful not to get injured with the heat exchanger piping flare portion or screws etc Be sure to insulate the refrigerant pipes so as not to condense the ambient air moisture on them Insufficient insulation can cause condensation which can lead to moisture damage on the ceiling floor furniture and any...

Страница 70: ...ntral rear of the unit Left hand side piping Right hand side piping Installation of Installation board Drilling of holes and fixture of sleeve Option parts Level position 2 locations Mating mark for level surface Fixing on concrete wall Use of nut anchor Use of bolt anchor Shaping of pipings Taping of the exterior Pipings Drain hose Top Nut M6 Mounting board Mounting board Max 10 Thickness of the ...

Страница 71: ...ntional R22 flare tool ø6 35 ø9 52 ø12 7 0 0 0 5 0 0 0 5 0 0 0 5 1 0 1 5 1 0 1 5 1 0 1 5 1 5 2 0 1 5 2 0 2 0 2 5 Measurement B mm Clutch type Wing nut type CAUTION Do not apply excess torque to the flared nuts Otherwise the flared nuts may check depending ٤ Arrange the drain hose in a downward angle ٤ Avoid the following drain piping ٤ Pour water to the drain pan located under the heat exchanger a...

Страница 72: ...pplied with an optional Interface connection kit SC BIKN E and fasten the connection harness onto the indoor control box with the clamp supplied with the kit For more details please refer to the user s manual of your Interface connection kit SC BIKN E 1 2 3 INSTALLATION TEST CHECK POINTS After installation The power supply voltage is correct as the rating No gas leaks from the joints of the operat...

Страница 73: ...ween setting plate and indoor unit Install at location that meets the following conditions after getting approval from the customer Where there is no obstructions to the air flow and where the cooled and heated air can be evenly distributed A solid place where the unit or the wall will not vibrate A place where there will be enough space for servicing Where space mentioned below can be secured Whe...

Страница 74: ... there is no affected by the TV and radio etc Do not place where exposed to direct sunlight or near heat devices such as a stove Hold the bottom of the piping and fix direction before stretching it and shaping it Drill a hole with whole core drill In case of rear piping draw out cut off the lower and the right side portions of the sleeve collar Tape only the portion that goes through the wall Alwa...

Страница 75: ...o gas leaks from the joints of the operational valve Power cables and crossover wires are securely fixed to the terminal board Operational valve is fully open The pipe joints for indoor and outdoor pipes have been insulated Connection wiring Earth wiring Outer tape Refrigerant piping Drain hose Wood screw Clamp Cover the exterior portion with outer tape and shape the piping so it will match the co...

Страница 76: ...erational valve is fully open The pipe joints for indoor and outdoor pipes have been insulated Connection wiring Earth wiring Outer tape Refrigerant piping Drain hose Wood screw Clamp Cover the exterior portion with outer tape and shape the piping so it will match the contours of the route that the piping to take Also fix the wiring and pipings to the wall with clamps Removing Remove the air inlet...

Страница 77: ...ion or servicing If the power supply is not shut off there is a risk of electric shocks unit failure or personal injury due to the unexpected start of fan CAUTION Use the circuit breaker with sufficient breaking capacity If the breaker does not have sufficient breaking capacity it can cause the unit malfunction and fire Earth leakage breaker must be installed If the earth leakage breaker is not in...

Страница 78: ...st be connected to the dedicated circuit Power supply with insufficient capacity and incorrect function done by improper work can cause electric shocks and fire Be sure to shut off the power before starting electrical work Failure to shut off the power can cause electric shocks unit failure or incorrect function of equipment Be sure to use the cables conformed to safety standard and cable ampacity...

Страница 79: ...wn is the method of recovering refrigerant from the indoor unit to the outdoor unit when the pipes are removed from the unit How to pump down 1 Connect charge hose to service port of outdoor unit 2 Liquid side Close the liquid valve with hexagon wrench key Gas side Fully open the gas valve Carry out cooling operation If indoor temperature is low operate forced cooling operation 3 After low pressur...

Страница 80: ...let panel After installation The power supply voltage is correct as the rating No gas leaks from the joints of the operational valve Power cables and crossover wires are securely fixed to the terminal board Operational valve is fully open The pipe joints for indoor and outdoor pipes have been insulated Finishing work and fixing Connection wiring Earth wiring Outer tape Refrigerant piping Drain hos...

Страница 81: ...Install isolator or disconnect switch on the power supply wiring in accordance with the local codes and regulations Be sure to install indoor unit properly according to the instruction manual in order to run off the drainage smoothly Improper installation of indoor unit can cause dropping water into the room and damaging personal property Install the drainage pipe to run off drainage securely acco...

Страница 82: ...ailure to shut off the power can cause electric shocks unit failure or incorrect function of equipment Be sure to use the cables conformed to safety standard and cable ampacity for power distribution work Unconformable cables can cause electric leak anomalous heat production or fire This appliance must be connected to main power supply by means of a circuit breaker or switch fuse 16A with a contac...

Страница 83: ...onnect the connection wire securely to the terminal block If the wire is not affixed completely contact will be poor and it is dangerous as the terminal block may heat up and catch fire 2 Take care not to confuse the terminal numbers for indoor andoutdoor connections 3 Affix the connection wire using the wiring clamp Attach the control lid Clamp Control lid Use a flare tool designed for R410A or a...

Страница 84: ...lowing the illustrations and other instructions Installing the main unit Attach the washers and nuts to the ceiling hanging bolts Attach the hanging tool to the above nuts and tighten the nuts M8 large washer M8 nut M8 handling bolt M8 nut standard accessory M8 large washer M8 spring lock washer standard accessory Main frame Securing the wireless receiver About the option parts 35 35 740 670 455 5...

Страница 85: ... 84 10 SR T 091 4 Ceiling cassette 4way compact type FDTC ...

Страница 86: ...on bolt becomes longer do reinforcement of earthquake resistant For grid ceiling When suspension bolt length is over 500mm or the gap between the ceiling and roof is over 700mm apply earthquake resistant brace to the bolt In case the unit is hanged directly from the slab and is installed on the ceiling plane which has enough strength When suspension bolt length is over 1000mm apply the earthquake ...

Страница 87: ...he screw within 5mm left to the nut l Do not apply adhesives on this end Drain socket The step part Drain hose No adhesive allowed Drain socket Metal plate 10mm Hose clamp Fasten the screw within 5 mm left to the nut Drain hose 2 Prepare a joint for connecting VP 20 pipe adhere and connect the joint to the drain hose the end made of rigid PVC and adhere and connect VP 20 pipe prepare on site As fo...

Страница 88: ...rovider of the country and be executed according to the technical standards and other regulations applicable to electrical installation in the country Be sure to use an exclusive circuit l Use specified cord fasten the wiring to the terminal securely and hold the cord securely in order not to apply unexpected stress on the terminal l Do not put both power source line and signal line on the same ro...

Страница 89: ... 88 10 SR T 091 a PJA012D783 ...

Страница 90: ...T 091 5 7 9 1 1 This function is not able to be set with wireless remote controls or simple remote control RCH H3 2 For setting the swing range of other louvers return to 1 and proceed same procedure respectively ...

Страница 91: ... failure and serious accidents due to burst of the refrigerant circuit Tighten the flare nut by torque wrench with specified method If the flare nut were tightened with excess torque this may cause burst and refrigerant leakage after a long period Do not open the operation valves for liquid line and gas line until completed refrigerant piping work air tightness test and evacuation If the compresso...

Страница 92: ...here discharged hot air or operating sound of the outdoor unit can bother neighborhood Locations where outlet air of the outdoor unit blows directly to plants Locations where vibration can be amplified and transmitted due to insufficient strength of structure Locations where vibration and operation sound generated by the outdoor unit can affect seriously on the wall or at the place near bed room L...

Страница 93: ...re must be a 1 meter or larger space in the above When more than one unit are installed side by side provide a 250mm or wider interval between them as a service space In order to facilitate servicing of controllers please provide a sufficient space between units so that their top plates can be removed easily Where a danger of short circuiting exists install guide louvers When more than one unit ar...

Страница 94: ...razing When pipe is brazing 3 Refrigerant pipe wall thickness and material Select refrigerant pipes of the table shown on the right wall thickness and material as specified for each pipe size Pipe diameter mm Minimum pipe wall thickness mm Pipe material 6 35 0 8 O type pipe 9 52 0 8 O type pipe NOTE Phosphorus deoxidized seamless copper pipe ICS 23 040 15 ICS 77 150 30 Select pipes having a wall t...

Страница 95: ... Then raise the pressure to 1 5 MPa and stop Leave it for five more minutes to see if the pressure drops c Then raise the pressure to the specified level 4 15 MPa and record the ambient temperature and the pressure d If no pressure drop is observed with an installation pressurized to the specified level and left for about one day it is acceptable When the ambient Temperature fall 1 the pressure al...

Страница 96: ...Electrical installation work must be executed according to the technical standards and other regulations applicable to electrical installations in the country Do not use any supply cord lighter than one specified in parentheses for each type below braided cord code designation 60245 IEC 51 ordinary tough rubber sheathed cord code designation 60245 IEC 53 flat twin tinsel cord code designation 6022...

Страница 97: ...its with heaters refer to the installation instructions or the construction instructions of the indoor unit Switchgear or Circuit breaker capacity which is calculated from MAX over current should be chosen along the regulations in each country The cable specifications are based on the assumption that a metal or plastic conduit is used with no more than three cables contained in a conduit and a vol...

Страница 98: ...t bundling winding or processing for the power cord Or do not deforming the power plug due to tread it This may cause fire or heating Do not run the unit with removed panels or protections Touching rotating equipments hot surfaces or high voltage parts can cause personal injury due to entrapment burn or electric shocks Do not perform any change of protective device itself or its setup condition Th...

Страница 99: ...orhood Locations where outlet air of the outdoor unit blows directly to plants Locations where vibration can be amplified and transmitted due to insufficient strength of structure Locations where vibration and operation sound generated by the outdoor unit can affect seriously on the wall or at the place near bed room Locations where an equipment affected by high harmonics is placed TV set or radio...

Страница 100: ...bove are applicable to the standard pipe size combinations shown in the table below Restrictions Model 20 25 35 Marks appearing in the drawing on the right Main pipe length When the outdoor unit is positioned higher When the outdoor unit is positioned lower Elevation difference between indoor and outdoor units Plug the end of the pipe with tape or other material and fill the pipe with nitrogen gas...

Страница 101: ...d clutch type With an R410A tool With a conventional tool CAUTION Do not apply force beyond proper fastening torque in tightening the flare nut Tightening angle Tightening torque N m ø6 35 1 4 ø9 52 3 8 ø12 7 1 2 Recommended length of a tool handle mm Operation valve size mm 5 Air tightness test Gas side operation valve Check joint Pressurize Close Outdoor unit Indoor unit Work flow 6 Evacuation A...

Страница 102: ...ckness larger than the specified minimum pipe thickness 14 18 34 42 49 61 45 60 30 45 30 45 150 200 250 Use a torque wrench If a torque wrench is not available fasten the flare nut manually first and then tighten it further using the left table as a guide 1 2 Run the vacuum pump for at least one hour after the vacuum gauge shows 0 1MPa or lower 76cmHg or lower When the system has remaining moistur...

Страница 103: ...e is f No gas leaks from mm l tool then ner nd it and Clearance 3 DRAIN PIPING WORK RWC012A032 Execute drain piping by using a drain elbow and drain grommets supplied separately as optional parts where water drained from the outdoor unit is a problem Water may drip where there is a larger amount of drain water Seal around the drain elbow and drain grommets with putty or adequate caulking material ...

Страница 104: ...r supply cords of parts of appliances for outdoor use Ground the unit Do not connect the grounding wire to a gas pipe water pipe lightning rod or telephone grounding wire If improperly grounded an electric shock or malfunction may result A grounding wire must be connected before connecting the power cable Provide a grounding wire longer than the power cable The installation of an impulse withstand...

Страница 105: ...igh voltage parts can cause personal injury due to entrapment burn or electric shocks Do not perform any change of protective device itself or its setup condition The forced operation by short circuiting protective device of pressure switch and temperature controller or the use of non specified component can cause fire or burst Use the circuit breaker with sufficient breaking capacity If the break...

Страница 106: ... outdoor unit can bother neighborhood Locations where outlet air of the outdoor unit blows directly to plants Locations where vibration can be amplified and transmitted due to insufficient strength of structure Locations where vibration and operation sound generated by the outdoor unit can affect seriously on the wall or at the place near bed room Locations where an equipment affected by high harm...

Страница 107: ...dio receiver in order to avoid any radio or TV interference 〇 A place where good air circulation can be secured and enough service space can be secured for maintenance and service of the unit safely 〇 A place where the unit will not be affected by electromagnetic waves and or high harmonic waves generated by other equipment 〇 A place where chemical substances like sulfuric gas chloric gas acid and...

Страница 108: ...service port with the operation valve shut When you find it Pay attention to the following points in addition to the above for the R410A and compatible machines To prevent a different oil from entering assign dedicated tools etc to each refrigerant type Under no circumstances must a gauge manifold and a charge hose in particular be shared with other refrigerant types R22 R407C etc Use a counterflo...

Страница 109: ... pressurized to the specified level and left for about one day it is acceptable When the ambient Temperature fall 1 the pressure also fall approximately 0 01 MPa The pressure if changed should be compensated for e If a pressure drop is observed in checking e and a d a leak exists somewhere Find a leak by applying bubble test liquid to welded parts and flare joints and repair it After repair conduc...

Страница 110: ...Length covered without additional charge 15 15 Usability Maximum one way pipe length 30 10 Length covered without additional charge 15 5 Additional charge volume per meter of pipe 0 02kg m 0 06kg m Formula to calculate additional charge volume If you obtain a negative figure as a result of calculation no additional refrigerant needs to be charged Example When an 60 is installed in a 10m long exist...

Страница 111: ... contact our distributor in the area In cabling fasten cables securely with cable clamps so that no external force may work on terminal connections Grounding terminals are prorided in the control box Always perform grounding system installation work with the power cord unplugged Connect a pair bearing a common terminal number with an indoor outdoor connecting wire Aren t there any loose pipe suppo...

Страница 112: ...n ACL switch This switch is for resetting microcomputer and setting time OFF TIMER button This button selects OFF TIMER operation TEMPERATURE button These buttons sets the indoor temperature These buttons are used for setting the current time and timer function as well This button cancels the ON timer OFF timer and SLEEP operation CANCEL button The above illustration shows all controls but in prac...

Страница 113: ...peration b Details of operation 3 ޓ Auto restart function a b 1 2 4 ޓ Custom cord switching procedure a Modifying the indoor printed circuit board b Modifying the wireless remote controller 1 2 Cut Function operation mode Indoor temperature setting Fan speed Flap Louver Timer Switch Cooling Thermal dry Heating ...

Страница 114: ...ox 50 Approx 60 Approx 60 Angle of Flap from Horizontal Center installation Remote controller display Right end installation Left end installation Angle of Louver Left Approx 50 Left Approx 50 Left Approx 20 Left Approx 45 Center Left Approx 30 Right Approx 20 Center Right Approx 50 Right Approx 20 Left Approx 20 Center Right Approx 30 Right Approx 45 Right Approx 50 Louver stopped Swing Spot Wide...

Страница 115: ...p down Swing Heating Center Fixed Wide Fixed Flap Louver Cooling Heating Horizontal blowing Fixed Slant forwardl blowing Fixed Operation mode Indoor temp Setting temp 2 C Setting temp Indoor temp 2 C At heating At cooling Air flow direction contorol 2 C Setting temp Indoor temp 5 C 2 C Indoor temp Setting temp 5 C Indoor temp Setting temp 5 C Setting temp Indoor temp 5 C The control in 4 continues...

Страница 116: ...ng unit is running press the ON OFF button to stop 2 Press the AIR FLOW UP DOWN button and the AIR FLOW LEFT RIGHT button together for 5 seconds or more 3 Setting the air conditioning installation location 4 Press the ON OFF button Airflow range Airflow range Airflow range Left End Installation Center Installation Right End Installation Center Installation Right End Installation Left End Installat...

Страница 117: ... 115rps 30 76rps 30 46rps SRK35ZJ S 23 106rps 23 106rps 23 78rps 23 50rps SRK50ZJ S 30 115rps 30 115rps 30 72rps 30 42rps SRK25ZJ S 30 115rps 30 115rps 30 66rps 30 40rps SRK20ZJ S Model Fan speed Auto MED HI LO model 50 35 model 50 35 model 50 2 ޓ model 50 2 ޓ a b c e model 50 10 16 minutes and 50 seconds model 50 18 minutes 20 20 15 10 5 0 5 10 15 10 5 0 Outdoor air temperature Outdoor heat excha...

Страница 118: ...0 74rps 20 74rps 20 55rps 20 34rps SRK25ZJ S 20 66rps 20 66rps 20 44rps 20 30rps SRK20ZJ S Model Fan speed Auto MED HI LO 11 ޓ Outline of automatic operation a Determination of operation mode Heating Dehumidifying Cooling Indoor air temperature C Outdoor air temperature C A When both the indoor and the outdoor air temperatures are in the range A cooling or heating is switched depending on d e a b ...

Страница 119: ...pressor running the lower limit 41 C or more 29 rps The lower limit of compressor command speed is set to 30 or 40 model 50 29 rps and even if the calculated result becomes lower than that after fuzzy calculation the speed is kept to 30 or 40 model 50 29 rps However when the thermo becomes OFF the speed is reduced to 0 rps b 1 2 3 c d 18 0 18 30 Heating Dehumidifying Indoor air temperature C Outdo...

Страница 120: ...30 rps the speed is kept to 50 44 30 rps However when the thermo becomes OFF the speed is Models 20 35 First time Since the second times Outdoor air temperature C A B C D Model 50 model 50 9ºC or 10ºC 9 16 19 10 Note 1 Value in are for the model 50 2 Detail of operation 3 Reset conditions c Cooling high pressure control 1 Purpose 2 Detector 3 Detail of operation 53 58 63 Outdoor heat exchanger tem...

Страница 121: ...the output speed obtained with the fuzzy calculation exceeds the upper limit the upper limit value is maintained The lower limit of compressor command speed is set to 40 rps and even if the calculated result becomes lower than that after fuzzy calculation the speed is kept to 40 rps However when the thermo becomes OFF the speed is reduced to 0 prs rps 3 Reset conditions e Heating high pressure con...

Страница 122: ...tion iii iv that after fuzzy calculation the speed is kept to 40 rps However when the thermo becomes OFF the speed is reduced to 0 prs rps a Operating conditions b Detail of operation When the outdoor air temperature TH2 is 11ºC or higher continues for 30 seconds while the compressor command speed other than 0 rps i ii iii iv Taking the upper limit of compressor command speed range at 78 rps if th...

Страница 123: ...ir temperature C a b 09 SRK DB 087D h Compressor overheat protection 1 Purpose 2 Detail of operation a Discharge pipe temperature C Example Fuzzy 90 100 110 b i Current safe 1 Purpose 2 Detail of operation j Current cut 1 Purpose 2 Detail of operation k Outdoor unit failure Cooling Heating Lower limit speed Item Model 3 ޓ Reset conditions When either of the following condition is satisfied a ޓ The...

Страница 124: ...Serial signal transmission error protection 1 Purpose 2 Detail of operation n Rotor lock o Outdoor fan motor protection p Outdoor fan control at low outdoor temperature Cooling 1 Operating conditions 2 Detail of operation 3 Reset conditions Heating 1 Operating conditions 2 Detail of operation 3 Reset conditions Outdoor temperature 10 C Outdoor temperature 10 C Outdoor fan a b a b a c model 50 0ºC ...

Страница 125: ...ion When the compressor has been turned OFF b When the conditions of 1 above are met the compressor stops Error stop occurs when the compressor has stopped 3 times within 60 minutes c When after meeting the conditions of a and b above the compressor speed indoor air temperature Th1 and indoor heat exchanger temperature Th2 have met the conditions in the following table for 5 minutes Compressor spe...

Страница 126: ...EAR button ACL switch This switch is for resetting microcomputer and setting time OFF TIMER button This button selects OFF TIMER operation TEMPERATURE button These buttons sets the indoor temperature These buttons are used for setting the current time and timer function as well This button cancels the ON timer OFF timer and SLEEP operation CANCEL button The above illustration shows all controls bu...

Страница 127: ...function needs to be switched off 2 When power failure ocurrs the timer setting is cancelled Once power is resumed reset the timer 3 If the jumper wire J170 AUTO RESTART is cut auto restart is disabled See the diagram at right 4 Custom cord switching procedure If two wireless remote controller are installed in one room in order to prevent wrong opera tion due to mixed signals please modify the pri...

Страница 128: ...gle is memorized in the microcomputer the flap or louver will automatically be set at this angle when the next operation is started e When not operating The flap returns to the position of air flow directly below when operation has stopped COOL DRY FAN Remote controller display HEAT Approx 5 Approx 20 Approx 20 Approx 35 Approx 35 Approx 45 Approx 75 Swing Flap stopped Approx 45 Approx 60 Approx 6...

Страница 129: ... is determined according to the indoor temperature and setting temperature b During DRY Operation including auto DRY operation At cooling Air flow selection Operation mode AUTO HI MED LO At heating Indoor temp Setting temp 5 C Indoor temp Setting temp 5 C Setting temp Indoor temp 5 C Setting temp Indoor temp 5 C HIGH POWER AUTO HI MED LO HIGH POWER AUTO Flap Louver Cooling Up down Swing Heating Wi...

Страница 130: ...not toward the side walls If you set the remote controller installation position keep it so that the air flow is within the range shown in the following figure a Setting 1 If the air conditioning unit is running press the ON OFF button to stop The installation location setting cannot be made while the unit is running 2 Press the AIR FLOW UP DOWN button and the AIRFLOW LEFT RIGHT button together fo...

Страница 131: ...s 30 94rps 30 66rps 30 40rps SRK20ZJX S Model Fan speed 12 120rps 12 120rps 12 90rps 12 58rps SRK60ZJX S Auto MED HI LO c Defrosting operation 1 Starting conditions Defrosting operation can be started only when all of the following conditions are met a After start of heating operation When it elapsed 45 model 50 60 35 minutes Accumulated compressor operation time b After end of defrosting operatio...

Страница 132: ...indoor air temperature and the outdoor air temperature determines the operation mode and then begins in the automatic operation Heating Dehumidifying Cooling Indoor air temperature C Outdoor air temperature C Max 16 minutes and 50 seconds Heating operation Defrast operation Mode 50 60 Nax 18 minutes Depends on an operation condition the time can be longer than 7 minutes 2 7 minutes Hot keep operat...

Страница 133: ... 1 When the indoor heat exchanger temperature is in the range of 2 5 5ºC the speed is reduced by 4 rps at each 20 seconds 2 When the temperature is lower than 2 5ºC the compressor is stopped 3 When the indoor heat exchanger temperature is in the range of 5 8ºC the compressor command speed is been maintained Indoor heat exchanger temperature Item 5 C or lower 2 5 C or lower Lower limit of compresso...

Страница 134: ...ure protective control 1 Operating conditions When the outdoor air temperature TH2 is 22ºC or lower continues for 20 seconds while the compressor command speed is other than 0 rps 2 Detail of operation a The lower limit of the compressor command speed is set to 44 30 rps and even if the speed becomes lower than 44 30 rps the speed is kept to 44 30 rps However when the thermo becomes OFF the speed ...

Страница 135: ...heat exchanger temperature C 4rps 1 8rps 2 8rps 2 4rps 1 0rps After lapse of 20 sec or over 3 After lapse of 20 sec or over 3 After lapse of 20 sec or over 3 lower limit speed 30 model 50 60 35 rps Example Fuzzy Notes 1 When the indoor heat exchanger temperature is in the range of B C ºC the speed is reduced by 4 rps at each 20 seconds 2 When the indoor heat exchanger temperature is in the range o...

Страница 136: ... rps 8 6 Lower limit 45 rps Lower limit 32 rps Normal operation 4 6 11 13 Outdoor air temperature C h Compressor overheat protection 1 Purpose It is designed to prevent deterioration of oil burnout of motor coil and other trouble resulting from the compressor overheat 2 Detail of operation a Speeds are controlled with temperature detected by the sensor mounted on the discharge pipe Discharge pipe ...

Страница 137: ...t to the converter is monitored with the current sensor fixed on the printed circuit board of the outdoor unit and if the operation current value reaches the limiting current value the compressor command speed is reduced If the mechanism is actuated when the compressor command speed is less than 30 rps the compres sor is stopped immediately Operation starts again after a delay time of 3 minutes j ...

Страница 138: ...or command speed is 0 rps Heating 1 Operating conditions When the outdoor air temperature TH2 is 4ºC or lower continues for 30 seconds while the compressor command speed is other than 0 rps 2 Detail of operation The outdoor fan is stepped up by 2 speed step at each 20 seconds Upper limit 8th speed 3 Reset conditions When either of the following conditions is satisfied a The outdoor air temperature...

Страница 139: ...ir outlet The above illustration shows all controls but in practice only the relevant parts are shown Each time the button is pressed the display is switched over in turn FAN SPEED button This button changes the HIGH POWER ECONOMY mode HI POWER ECONO button These buttons set the indoor temperature These buttons are used for setting the current time and timer function as well TEMPERATURE button Thi...

Страница 140: ...e switched off 2 When power failure ocurrs the timer setting is cancelled Once power is resumed reset the timer 3 If the jumper wire J170 AUTO RESTART is cut auto restart is disabled See the diagram at right 4 Custom cord switching procedure If two wireless remote controller are installed in one room in order to prevent wrong opera tion due to mixed signals please modify the printed circuit board ...

Страница 141: ... selection a AIR SELECTION button can switch between the combination of upper and lower air outlets and upper air outlet Not operable while the air conditioner is OFF 1 Each time the AIR SELECTION button is pressed The combination of the upper and lower air outlets and the upper air outlet can be switched 2 When the upper air outlet is selected AIR OUTLET SELECTION light on the unit display area w...

Страница 142: ...ge to the upper outlet That state will be maintained until switch is turned off b In case both outlets operation with Auto fan speed mode is selected the upper outlet will be kept for ten minutes after the start or until indoor temperature is close to reaching the setting point And then the air outlet will change to both outlets in order to spread comfort air to every corner b Sleep timer operatio...

Страница 143: ...heating operation has counted 0 rps 10 times or more and all conditions of a b c and e above and the outdoor air temperature is 3 C or less are satisfied note that when the temperature for outdoor heat exchanger sensor TH1 is 5 C or less 62 rps or more 4 C or less less than 62 rps defrost operation is started 2 Ending conditions Operation returns to the heating cycle when either one of the followi...

Страница 144: ...r temperature and the outdoor air temperature determines the operation mode and then begins in the automatic operation Heating Dehumidifying Cooling Indoor air temperature C Outdoor air temperature C b The unit checks the temperature every hour after the start of operation and if the result of check is not same as the previous operation mode changes the operation mode c When the unit is started ag...

Страница 145: ...igher the compressor is stopped 3 When the outdoor heat exchanger temperature is in the range of 53 58 ºC if the compressor command speed is been maintained and the operation has continued for more than 30 seconds at the same speed it returns to the normal cooling operation Model Item SRF25 35ZJX S SRF50ZJX S Outdoor air temperature 41 C or more 47 C or more 41 C or more Lower limit speed 30 rps 4...

Страница 146: ... pressure operation during heating 2 Detector Indoor heat exchanger sensor Th2 3 Detail of operation Notes 1 When the indoor heat exchanger temperature is in the range of B C ºC the speed is reduced by 4 rps at each 20 seconds 2 When the indoor heat exchanger temperature is in the range of C D ºC the speed is reduced by 8 rps at each 20 seconds When the temperature is D ºC or higher continues for ...

Страница 147: ... operation 4 6 11 13 Outdoor air temperature C Unit ºC Note 1 RPSmin The lower one between the outdoor speed and the compressor command speed A B C D RPSmin 88 48 5 56 58 61 88 RPSmin 108 44 51 5 53 5 56 5 108 RPSmin 39 46 5 48 5 51 5 Model 50 f Heating overload protective control 1 Operating conditions When the outdoor air temperature TH2 is 22ºC model 50 17ºC or higher continues for 30 seconds w...

Страница 148: ...ver the unit starts again within 1 hour but there is no start at the third time i Current safe 1 Purpose Current is controlled not to exceed the upper limit of the setting operation current 2 Detail of operation Input current to the converter is monitored with the current sensor fixed on the printed circuit board of the outdoor unit and if the operation current value reaches the limiting current v...

Страница 149: ... The compressor command speed is 0 rps Heating 1 Operating conditions When the outdoor air temperature TH2 is 4ºC or lower continues for 30 seconds while the compressor command speed is other than 0 rps 2 Detail of operation The outdoor fan is stepped up by 2 speed step at each 20 seconds Upper limit 8th speed 3 Reset conditions When either of the following conditions is satisfied a The outdoor ai...

Страница 150: ... temperature Th2 have met the conditions in the following table for 5 minutes Compressor speed N Operation mode Cooling Heating Indoor air temperature Th1 Th1 4 Th2 Indoor air temperature Th1 Indoor heat exchanger temperature Th2 Th2 Th1 6 10 Th1 40 0 Th1 40 50 40 N 50 40 N Note 1 Value in are for the model 50 2 Contents of control a When the conditions of 1 above are met the compressor stops b Er...

Страница 151: ...resetting microcomputer and setting time ACL switch ON OFF luminous button Operation section Model All models Unit display section Model All models The above illustration shows all controls but in practice only the relevant parts are shown Each time the button is pressed the display is switched over in turn FAN SPEED button This button changes the HIGH POWER ECONOMY mode HI POWER ECONO button Thes...

Страница 152: ...mer setting is cancelled Once power is resumed reset the timer 3 If the jumper wire J170 AUTO RESTART is cut auto restart is disabled See the diagram at right 4 Custom cord switching procedure If two wireless remote controller are installed in one room in order to prevent wrong opera tion due to mixed signals please modify the printed circuit board in the indoor unit s control box and the remote c...

Страница 153: ... set temperature 5 Timer operation a Comfortable timer setting ON timer c OFF timer operation The Off timer can be set at a specific time in 10 minute units within a 24 hour period If the timer is set at ON when the operation select switch is set at the cooling or heating or the cooling or heating in auto mode operation is selected the comfortable timer starts and determines the starting time of n...

Страница 154: ...Pattern 1 Fuzzy operation During the fuzzy operation the air flow and the compressor speed are controlled by calculating the difference between the indoor temperature setting correction temperature and the retum air temperature ON OFF OFF OFF OFF OFF ON OFF few minutes ON OFF few minutes ON ON ON OFF Thermostat ON Thermostat OFF Failure Cooling Compressor Indoor fan motor Outdoor fan motor 4 way v...

Страница 155: ...fore frost prevention control Outdoor fan Depends on command speed Depends on stop mode 4 way valve OFF Signals of wireless remote controller Display 6 5 4 3 2 1 0 1 2 3 4 5 6 Setting temperature Cooling 18 19 20 21 22 23 24 25 26 27 28 29 30 Dehumidifying 19 20 21 22 23 24 25 26 27 28 29 30 31 Heating 20 21 22 23 24 25 26 27 28 29 30 31 32 Unit ºC 27 5 25 5 19 5 18 30 8 Outline of automatic opera...

Страница 156: ...r over 3 lower limit speed 30 rps Example Fuzzy Notes 1 When the outdoor heat exchanger temperature is in the range of 58 63 ºC the speed is reduced by 6 rps at each 30 seconds 2 When the temperature is 63 ºC or higher the compressor is stopped 3 When the outdoor heat exchanger temperature is in the range of 53 58 ºC if the compressor command speed is been maintained and the operation has continue...

Страница 157: ...the outdoor speed and the compressor command speed f Heating overload protective control 1 Operating conditions When the outdoor air temperature TH2 is 22ºC or higher continues for 30 seconds while the compressor command speed other than 0 rps 2 Detail of operation a Taking the upper limit of compressor command speed range at 60 rps if the output speed obtained with the fuzzy calculation exceeds t...

Страница 158: ...ed is raised by 1 rps and kept at that speed for 3 minutes This process is repeated until the command speed is reached 4 Lower limit speed Discharge pipe temperature C Lower limit 4 After lapse of 3 min or over 3 After lapse of 3 min or over 3 After lapse of 3 min or over 3 4 rps 4 rps 1 0 rps 100 110 Example Fuzzy 90 Cooling Heating Lower limit speed 20 rps 30 rps Item Model b If the temperature ...

Страница 159: ...outdoor heat exchanger temperature is lower than 21ºC gradually reduce the outdoor fan speed by 1 speed Lower limit 1st speed b 21ºC Outdoor heat exchanger temperature 38ºC After the outdoor fan speed maintains at A speed for 20 seconds if the outdoor heat exchanger temperature is 21ºC 38ºC maintain outdoor fan speed c Outdoor heat exchanger tempeature 38ºC After the outdoor fan speed rises up to ...

Страница 160: ...e is any anomalous condition displayed by the flashing of display lights and the drain motor is turned ON The ON condition is maintained during the drain detection r Refrigeration cycle system protection 1 Starting conditions a b When 5 minutes have elapsed after the compressor ON or the completion of the defrost control Other than the defrost control 2 Contents of control a 3 Resetting condition ...

Страница 161: ...d Invalid Operation is displayed but it does not mean a failure Cover AIR CON No button Display the indoor unit number connected to this remote controller CHECK button This button is used at servicing TEST button This button is used during test operation Weekly timer display Displays the settings of the weekly timer Operation setting display area Displays setting temperature airflow volume operati...

Страница 162: ...when this is pressed once again it stops operating Used to swing the louver Every time this button is pressed displays switch as below Sets room temperature by pressing or button Sets time when setting the time Used to cancel the TIMER SETTINGS Used to reset the microcomputer Indicates the selected airflow volume Indicates when ON TIMER is set Indicates the ON TIMER setting time Nothing displayed ...

Страница 163: ...peration mode Airflow volume mode Room temperature setting Louver auto swing stop However the stop position 4 position is cancelled so that it returns to Position 1 Remote controller function items which have been set with the remote controller function setting Indoor function items are saved in the memory of indoor unit Upper limit value and lower limit value which have been set with the temperat...

Страница 164: ... Outdoor unit fan Indoor unit fan Louver motor Drain pump 3 2 2 Thermostat ON Thermostat OFF 2 2 Note 1 Operation Stop Turned ON OFF by the control other than the room temperature control 2 ON during the drain motor delay control 3 Drain pump ON setting may be selected with the indoor unit function setting of the wired remote controller c Dehumidifying operation 1 When the humidity sensor is not p...

Страница 165: ...ower ON This is not displayed under the Remote mode 2 If this display is not shown under the Center Remote mode check if the indoor unit power switch is turned on or not f Hot start Cold draft prevention at heating At the startup of heating operation at resetting of the thermostat during defrost operation and at returning to heating the indoor fan is controlled by the indoor heat exchanger tempera...

Страница 166: ...sensor is effective i Filter sign As the operation time Total ON time of ON OFF switch accumulates to 180 hours 1 FILTER CLEANING is displayed on the remote controller This is displayed when the unit is in trouble and under the centralized control regardless of ON OFF Note 1 Time setting for the filter sign can be made as shown below using the indoor function of wired remote controller FILTER SIGN...

Страница 167: ...nge of operation mode If the thermostat is turned OFF during the forced operation control of heating compressor the louver position with the auto swing is returned to the level position Note 1 The compressor stops when it has entered the protective control l Drain motor 1 Drain motor DM is operated during the cooling or dehumidifying mode operations and simultaneously with the compressor ON The DM...

Страница 168: ... selection of indoor fan speed refer to item 2 10 1 0 Indoor heat exchanger temperature C Fan operation Cooling operation SRC40 60 FDC100 140 Model Symbol A 4 4 1 1 1 0 1 0 2 5 2 5 B C D 2 Selection of indoor fan speed If it enters the frost prevention control during cooling operation excluding dehumidifying the indoor unit fan speed is switched a When the indoor return air detection temperature d...

Страница 169: ...hat unit stops with the anomalous stop but any other normal units continue to run as they are ii Signal wiring procedure Signal wiring between indoor and outdoor units should be made on each unit same as the normal wiring For the group control lay connect with sires wiring between rooms using terminal blocks X Y of remote controller Connect the remote controller communication wire separately from ...

Страница 170: ...l and start stop operation of the unit from the wired remote controller becomes not available 2 In case that Operation permission prohibition mode setting is Valid and External input setting is Pulse input Local setting When card key switch is ON Operation permission the unit starts operation in conjunction with ON signal and also start stop operation of the unit from the wired remote controller b...

Страница 171: ... input Unit A Unit B Note The latest operation has priority It is available to operate stop by remote controller or center controller b In case of Pulse input setting Local setting It is effective only when the input signal to CnT 6 is changed OFF ON and at that time unit operation ON OFF is inverted ON ON OFF OFF OFF OFF ON ON ON OFF OFF CnT 6 input Unit A Unit B 3 Remote operation a In case of m...

Страница 172: ...ext sampling present number of revolutions of indoor unit fan speed is reduced by 10min 1 3 End conditions Indoor fan speed is reduced to the setting airflow volume when the compressor OFF is established and at 30 minutes after the start of heating operation w Room temperature detection temperature compensation during heating With the standard specification the compressor is turned ON OFF with the...

Страница 173: ...ture 20 20 15 10 5 0 5 10 15 10 5 0 Outdoor air temperature Outdoor heat exchanger temperature Defrost operation start Defrost operation start D efrost operation start tem perature D efrost operation start tem perature Models 20 35 Model 50 e During continuous compressor operation In addition when the speed command from the indoor controller of the indoor unit during heating operation has counted ...

Страница 174: ...the range of 58 63 ºC the speed is reduced by 6 rps at each 30 seconds 2 When the temperature is 63 ºC or higher the compressor is stopped 3 When the outdoor heat exchanger temperature is in the range of 53 58 ºC if the compressor command speed is been maintained and the operation has continued for more than 30 seconds at the same speed it returns to the normal cooling operation Model Item FDTC25 ...

Страница 175: ...malous high pressure operation during heating 2 Detector Indoor heat exchanger sensor THI R 3 Detail of operation Notes 1 When the indoor heat exchanger temperature is in the range of B C ºC the speed is reduced by 4 rps at each 20 seconds 2 When the indoor heat exchanger temperature is in the range of C D ºC the speed is reduced by 8 rps at each 20 seconds When the temperature is D ºC or higher c...

Страница 176: ...he discharge pipe temperature is in the range of 90 100ºC even when the compressor command speed is maintained for 3 minutes when the temperature is in the range of 90 100ºC the speed is raised by 1 rps and kept at that speed for 3 minutes This process is repeated until the command speed is reached 4 Lower limit speed Cooling Heating Lower limit speed 20 rps 30 rps Item Model b If the temperature ...

Страница 177: ...e following controls Outdoor temperature 10 C Outdoor temperature 10 C 2nd speed Outdoor fan 1st speed Value of A a Outdoor heat exchanger temperature 21ºC After the outdoor fan speed drops down to 1 speed for 60 seconds if the outdoor heat exchanger temperature is lower than 21ºC gradually reduce the outdoor fan speed by 1 speed Lower limit 1st speed b 21ºC Outdoor heat exchanger temperature 38ºC...

Страница 178: ...in door heat exchanger temperature Th2 have met the conditions in the following table for 5 minutes Compressor speed N Operation mode Cooling Heating Indoor air temperature Th1 Th1 4 Th2 Indoor air temperature Th1 Indoor heat exchanger temperature Th2 Th2 Th1 6 50 N 10 Th1 40 0 Th1 40 50 N 2 Contents of control a When the conditions of 1 above are met the compressor stops b Error stop occurs when ...

Страница 179: ... XQLW V VHUYLFH YDOYH RSHQ 3 Troubleshooting procedure If the air conditioner does not run at all I WKH DLU FRQGLWLRQHU GRHV QRW UXQ DW DOO GLDJQRVH WKH WURXEOH XVLQJ WKH IROORZLQJ WURXEOHVKRRWLQJ SURFHGXUH I WKH DLU FRQGLWLRQHU LV UXQQLQJ EXW EUHDNV GRZQ SURFHHG WR WURXEOHVKRRWLQJ VWHS Important KHQ DOO WKH IROORZLQJ FRQGLWLRQV DUH PHW ZH VD WKDW WKH DLU FRQGLWLRQHU ZLOO QRW UXQ DW DOO D 7KH 581 ...

Страница 180: ... 179 10 SR T 091 09 SRK DB 087D 4 Troubleshooting procedure If the air conditioner runs NO NO NO NO YES YES YES YES 180 181 187 181 187 ...

Страница 181: ...gnal wire defective indoor outdoor PCB Error of signal transmission If the compressor motor s magnetic pole positions cannot be correctly detected when the compressor starts The air conditioner stops Defective compressor Open phase on compressor Defective outdoor PCB Service valve is closed Refrigerant is insufficient Rotor lock When the outdoor unit s fan motor speed continues for 30 seconds or l...

Страница 182: ...indoor unit Data are recorded for up to 5 previous occurrences Data which are older than the 5th previous occurrence are erased In addition data on the temperature of each sensor room temperature indoor heat exchanger outdoor heat exchanger outdoor air temperature discharge pipe remote controller information operation switching fan speed switching are recorded when trouble occurs so more detailed ...

Страница 183: ...VZLWFKLQJ 0 872 2 0 872 LVSOD V WKH UHDVRQ IRU VWRSSLQJ GLVSOD LQ WKH SDVW HUURU FRGH LVSOD V WKH URRP WHPSHUDWXUH VHQVRU WHPSHUDWXUH DW WKH WLPH WKH HUURU FRGH ZDV GLVSOD HG LQ WKH SDVW LVSOD V WKH LQGRRU KHDW H FKDQJHU VHQVRU WHPSHUDWXUH DW WKH WLPH WKH HUURU FRGH ZDV GLVSOD HG LQ WKH SDVW LVSOD V WKH UHPRWH FRQWUROOHU LQIRUPDWLRQ DW WKH WLPH WKH HUURU FRGH ZDV GLVSOD HG LQ WKH SDVW LVSOD V WKH ...

Страница 184: ...on for the stop stop code 2 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 3 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 4 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 5 ...

Страница 185: ...rature sensor is abnormal 38 8 time flash Outdoor unit s fan motor is abnormal 48 8 time flash Current safe 58 8 time flash Connection lines between the indoor and outdoor units are faulty 61 1 time flash Serial transmission error 62 2 time flash Discharge pipe sensor is abnormal anomalous stop 39 9 time flash Rotor lock 60 OFF 5 times 3 times 3 times 3 times 2 times Number of flashes when in serv...

Страница 186: ... controller information tables 2SHUDWLRQ VZLWFKLQJ RUN light Operation switching Display pattern when in service mode Operation switching when there is an abnormal stop 0 1 2 4 3 AUTO DRY COOL FAN HEAT DQ VSHHG VZLWFKLQJ TIMER light Fan speed switching Display pattern when in service mode Fan speed switching when there is an abnormal stop 0 2 3 4 6 7 AUTO HI MED LO HI POWER ECONO I QR GDWD DUH UHF...

Страница 187: ...26 16 6 6 16 26 36 46 56 66 76 86 96 57 47 37 27 17 7 7 17 27 37 47 57 67 77 87 97 58 48 38 28 18 8 8 18 28 38 48 58 68 78 88 98 59 49 39 29 19 9 9 19 29 39 49 59 69 79 89 99 No does not sound I QR GDWD DUH UHFRUGHG HUURU FRGH LV QRUPDO WKH GLVSOD IRU HDFK VHQVRU EHFRPHV DV VKRZQ EHORZ Sensor name Room temperature sensor Indoor heat exchanger sensor Outdoor air temperature sensor Outdoor heat exch...

Страница 188: ...32 12 12 32 52 72 92 112 132 54 34 14 14 34 54 74 94 114 134 56 36 16 16 36 56 76 96 116 136 58 38 18 18 38 58 78 98 118 138 No does not sound I QR GDWD DUH UHFRUGHG HUURU FRGH LV QRUPDO WKH GLVSOD IRU HDFK VHQVRU EHFRPHV DV VKRZQ EHORZ Sensor value displayed when the error code is normal 64ºC DPSOH LVFKDUJH SLSH WHPSHUDWXUH Q WKH FDVH RI GLVFKDUJH SLSH GDWD PXOWLSO WKH UHDGLQJ YDOXH E HORZ 0 5 se...

Страница 189: ... 188 10 SR T 091 09 SRK DB 087D Service data record form 182 ...

Страница 190: ...70 0 10 Discharge pipe sensor temperature characteristics Indoor fan motor error Broken sensor wire connector poor connection 0 0 20 40 60 80 100 120 135 20 40 60 80 100 120 140 160 180 Temperature C Resistance k Defective fan motor connector poor connection defective indoor PCB 194 for the fan motor and indoor PCB check pro Power supply reset Is it normalized Malfunction by temporary noise Replac...

Страница 191: ... open phase Outdoor PCB is faulty Service valve is closed EEV is faulty Compressor faulty Current safe stop Overload operation compressor lock overcharge 198 195 SRC20 35 1 703Ω U V V W U W or more at 20ºC SRC50ZJ S 1 417Ω U V 1 392Ω V W 1 435Ω U W or more at 20ºC SRC50 60ZIX S 0 953Ω U V V W U W or more at 20ºC ...

Страница 192: ... 191 10 SR T 091 09 SRK DB 087D Over heat of compressor Gas shortage defective discharge pipe sensor Error of signal transmission Wiring error including power cable defective indoor outdoor PCB 189 ...

Страница 193: ...page 190 Outdoor fan motor error Defective fan motor connector poor connection defective outdoor PCB See pages 198 for the fan motor and outdoor PCB check pro After making sure the fan motor and outdoor PCB are nor Power supply reset Is it normalized Malfunction by temporary noise Replace fan motor If the error persists after replacing the fan motor replace the outdoor PCB the fan motor and outdoo...

Страница 194: ...or unit Defective compressor defective outdoor PCB Sensor Operation mode Phenomenon Shortcircuit Disconnected wire Room temperature sensor Cooling Heating Heat exchanger sensor Cooling Heating Humidity sensor 1 Cooling Heating Humidity sensor operation Failure mode Control input circuit resding Air conditioning system operation See page 190 Note 1 SRK35 50ZJ S 50 60ZJX S SRF25 35 50ZJX S only Has ...

Страница 195: ...YES NO NO NO b Indoor unit fan motor check procedure 1 Indoor PCB output check 2 Fan motor resistance check FMI DC15V Indoor PCB DC 308 336V DC several V 4 6 V CNU GND Blue Yellow White Black Red Sensor Operation mode Phenomenon Shortcircuit Disconnected wire Heat exchanger sensor Cooling Heating Ourdoor air temperature sensor Cooling Heating Discharge pipe sensor All modes Measuring point Resista...

Страница 196: ...m burns wiring mistakes etc If no problems are found check the output of the power transistor 2 Output inspection procedure Disconnect the terminals for the compresseor If an output such as the one shown in the figure on the below can be measured the power transistor and the circuit board for the outdoor unit are normal Example RUN light ON TIMER light 2 time flash Measure in this section Operatio...

Страница 197: ... 196 10 SR T 091 09 SRK DB 087D 11 Outdoor unit inspection points 20ZJX S 25ZJX S 35ZJX S 198 198 189 ...

Страница 198: ...ion 1 to 2 AC 220 230 240V 2 to 3 Normal if the voltage oscillates between DC 0 and approx 20V CAUTION HIGH VOLTAGE High voltage is produced in the control box Don t touch electrical parts in the control box for 5 minutes after the unit is stopped Color symbol L to N AC 220 230 240V Models SRC50ZJ S 50ZIX S 60ZIX S Outdoor unit M T2 T1 S BK WH RD V W U PCB ASSY MAIN M M R TRANSISTOR POWER CIRCUIT ...

Страница 199: ...DQ PRWRU HUURU LV GHWHFWHG GLDJQRVH ZKLFK RI WKH RXWGRRU XQLW IDQ PRWRU RU RXWGRRU 3 LV GHIHFWLYH LDJQRVH WKLV RQO DIWHU FRQ UPLQJ WKDW WKH LQGRRU XQLW LV QRUPDO 2XWGRRU 3 RXWSXW FKHFN 7XUQ RII WKH SRZHU LVFRQQHFW WKH RXWGRRU XQLW IDQ PRWRU FRQQHFWRU 1 1 KHQ WKH LQGRRU XQLW LV RSHUDWHG E LQVHUWLQJ WKH SRZHU VXSSO SOXJ DQG SUHVVLQJ 21 WKH EDFNXS VZLWFK IRU PRUH WKDQ VHFRQGV LI WKH YROWDJH RI SLQ 1R...

Страница 200: ...indoor heat exchanger temperature thermistor defective element broken wire short circuit Poor contact of temperature thermistor connector Replacement repair of temperature thermistor 226 Indoor control PCB Defective indoor control PCB Defective temperature thermistor input circuit Replacement of PCB 1 time flash Keeps flashing Indoor return air temperature thermistor Defective indoor return air te...

Страница 201: ...ve outdoor control PCB Defective temperature sensor input circuit Replacement of PCB Stays OFF Keeps flashing Discharge pipe temperature sensor Defective discharge pipe temperature sensor broken wire or poor connector connection Replacement repair of temperature sensor 238 Outdoor control PCB Defective outdoor control PCB Defective temperature sensor input circuit Replacement of PCB Stays OFF Keep...

Страница 202: ...ntinuously after initial communication was established Excessive number of connected indoor units by controlling with one remote controller Whenever excessively connected indoor units is detected after power ON Return air temperature thermistor anomaly 50 C or lower is detected for 5 seconds continuously within 60 minutes after initial detection of this anomalous temperature Indoor heat exchanger ...

Страница 203: ...h regard to parts of high voltage circuits and refrigeration cycle judge it according to ordinary inspection methods b Instruction of how to replace indoor control PCB Read the SAFETY PRECAUTIONS carefully first of all and then strictly follow it during the replacement in order to protect yourself The precautionary items mentioned below are distinguished into two levels WARNING and CAUTION Both me...

Страница 204: ...PCB Parts mounting are different by the kind of PCB 〇 ON OFF Part number SW2 Blue Address setting SW5 Master Slave setting SW7 Function setting CNT Blue External switch CNJ White Louver motor CNN Yellow Thermistor Heat exchanger CNI Blue Float SW CNH Black Thermistor Return air CNW3 Red Power PCB CNB White Remote controller CNV2 Black Auto lift CNG Blue CNZ White HA CNE White RAM checker CNC Red H...

Страница 205: ...ng connector color should match with the color of connector of the PCB Note 2 6 Let the wiring red and blue pass beneath the yellow green wiring and bind together with band 7 Screw back the terminal of wiring yellow green from PCB T1 T2 T3 that was removed in 1 In that case do not place the crimping part of the wiring under the PCB Note 1 It might not be applicable on some models Note 2 After repl...

Страница 206: ...served Powerful mode Valid Reserved keep OFF Test run Drain motor Normal Test run Valid Invalid Normal Model selection As per model See table 1 Remarks Address No setting at plural indoor units control by 1 R C 0 F Switches Description Default setting Table 1 Indoor unit model selection with SW6 1 SW6 4 0 OFF 1 ON 25VD 35VD 1 0 0 1 0 0 0 0 SW6 4 SW6 1 SW6 2 SW6 3 Default setting ...

Страница 207: ...press the button which allows you to go back to the indoor unit selection screen Pressing the button will stop displaying data Pressing the RESET button during remote control unit operation will undo your last operation and allow you to go back to the previous screen If two 2 remote controllers are connected to one 1 inside unit only the master controller is available for trial operation and confi...

Страница 208: ...spectively b Operation for judgment 1 Power ON and start check operation on cooling or heating mode 2 Check ON OFF status of 6 LED s on the checker 3 Judge the PCB by ON OFF status of 6 LED s on the checker 4 Stop check operation within about 2minutes after starting check operation ON OFF status of LED If all of LED are ON OFF according to following pattern If all of LED stay OFF or some of LED ar...

Страница 209: ...etween phases F3 250V 1A F2 250V 20A F8 250V 20A Power supply check Measure the power supply at L N It is normal if it is AC 220 240V Must be conductive When fuse is blown replace it or check wiring DC Reactor continuity Check 50m or higher less than 100mΩ Power transistor module check Is there a short circuit open circuit or damage See 53 page for the check procedure Fuse check There should be co...

Страница 210: ...g operation 225 15 E6 Indoor heat exchanger temperature thermistor anomaly 226 16 E7 Return air temperature thermistor anomaly 227 17 E8 Heating overload operation 228 18 E9 Drain trouble 229 19 E10 Excessive number of connected indoor units more than 17 units by controlling with one remote controller 230 20 E16 Indoor fan motor anomaly 231 21 E19 Indoor unit operation check drain motor check sett...

Страница 211: ... or other respective parts NO YES YES NO YES YES YES NO NO Is the compressor operating NO YES NO Note 1 Outdoor 35 C Indoor 27 C 1 WAIT It is normal This unit is designed to start in the soft start mode by detecting the under dome temperature of compressor when it restart after power reset It is necessary to replace to higher capacity one or to install additional unit Compressor refrigerant oil pr...

Страница 212: ...ating NO YES NO Note 1 Outdoor 7 C Indoor 20 C 1 WAIT It is normal This unit is designed to start in the soft start mode by detecting the under dome temperature of compressor when it restart after power reset It is necessary to replace to higher capacity one or to install additional unit Compressor refrigerant oil protection control at starting is activated Compressor may be stopped by the error d...

Страница 213: ... of refrigerant migrated in the compressor When the earth breaker is activated at lower insulation resistance check the following points 6 hours after power ON check if the insulation resistance recovers to normal When power ON crankcase heater heat up compressor and evaporate the refrigerant migrated in the compressor Check if the earth leakage breaker is conformed to higher harmonic regulation o...

Страница 214: ...ing to wall and etc by fixing pipes on the wall or wrapping rubber cushion around the pipe which goes through the hole in the wall or applying other appropriate means Strength of ceiling wall floor etc may be insufficient Review the installing position or reinforce it Check for leaning of installed unit or anomalous mounting of fan louver or motor and specify the contacting point and correct it Wh...

Страница 215: ...cularly during cooling or defrosting in the heating mode It is normal The noise vibration occurs when the refrigerant starts or stops flowing It is normal When the defrosting starts or stops during heating the refrigerant flow is reversed due to switching 4 way valve This causes a large change in pressure which produces a blowing sound It may accompany also the hissing sounds as mentioned above Th...

Страница 216: ...over refrigerant vacuum dry and recharge refrigerant Since there could be many causes of noise vibration the above do not cover all In such case check the conditions when where how the noise vibration occurs according to following check point Indoor outdoor unit Cooling heating fan mode Startup stop during operation Operating condition Indoor outdoor temperatures pressure Time it occurred Operatio...

Страница 217: ...operable with the remote controller YES NO Does the louver operate at the power on YES NO YES NO Operate after waiting for more than 1 minute Repair wiring Defective indoor control PCB Replace Replace LM Normal Adjust LM lever and then check again 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Defective LM LM wire breakage Faulty indoor control PCB Note Error code Remot...

Страница 218: ...1 phase unit detected between 1 and 2 on the terminal block of outdoor unit YES YES YES YES Is JX1 open Defective outdoor control PCB Noise filter Misconnection or breakage of connecting wires Defective indoor control or power PCB Replace Replace FM LM etc Replace fuse Defective indoor power PCB Replace Open JX1 Defective indoor control PCB Replace 2 Error detection method 3 Condition of Error dis...

Страница 219: ...ote controller wires NO Is DC15V or higher detected between X Y of indoor unit terminal block YES YES YES YES NO NO NO Correct Replace wires Replace remote controller Defective indoor power PCB Replace Defective indoor control PCB Replace 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Remote controller wire breakage short circuit Defective remote controller Malfunction ...

Страница 220: ... reset NO YES YES NO NO NO NO NO YES YES YES Set one remote controller for Master and the other for Slave Set SW1 on remote controller PCB at Master Set address again SW2 on indoor control PCB Separate remote controller wires from high voltage wires Defective indoor control PCB Replace Defective remote controller Change 2 Error detection method Communication between indoor unit and remote controll...

Страница 221: ...above 4 Presumable cause Improper setting Surrounding environment Defective remote controller communication circuit Faulty indoor control or power PCB Faulty outdoor control PCB Note If any error is detected 30 minutes after displaying WAIT on the remote controller the display changes to INSPECT I U NO NO NO NO NO Are more than 3 units of remote controller connected Does remote controller display ...

Страница 222: ... NO YES WAIT See next page Defective outdoor PCB Replace Defective indoor control PCB Replace Replace indoor control PCB Correct connection wires between indoor and outdoor units Defective outdoor PCB Replace Defective connection wire broken wire Noise Defective indoor control PCB Replace 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Blown fuse Faulty outdoor PCB Conne...

Страница 223: ...PCB YES YES NO YES Replace the outdoor control PCB NO Replace the reactor NO Isn t there a short circuit between phases of outdoor PCB Aren t there cracks or burning on the power ransistor module or diode stack Isn t reactor the anomalous Replace fuse 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Blown fuse Faulty outdoor PCB Faulty reactor Note Error code Remote contr...

Страница 224: ...perly between the indoor and the outdoor units Is approx DC20V detected between on the outdoor unit terminal block NO YES Is approx DC20V detected between on the indoor unit terminal block YES NO NO Replace fuse Short circuit on remote controller wire Defective remote controller Correct wires Defective outdoor PCB Replace Defective connection wire Broken wire Noise Defective indoor control PCB Rep...

Страница 225: ... peripheral environment Defective indoor control PCB Replace Defective remote controller Replace 2 Error detection method When normal communication between the remote controller and the indoor unit is interrupted for more than 2 minutes Detectable only with the remote controller 3 Condition of Error displayed Same as above 4 Presumable cause Defective communication circuit between remote controlle...

Страница 226: ...Note 2 Check for faulty connection or breakage of signal wires between indoor outdoor units YES NO YES NO Repair signal wires Repair signal wires Defective outdoor PCB Defective network communication circuit Replace Unit is normal Malfunction by temporary noise etc 2 Error detection method When normal communication between indoor and outdoor unit is interrupted for more than 2 minutes 3 Condition ...

Страница 227: ...ndoor control PCB Replace Defective indoor unit heat exchanger temperature thermistor input circuit 2 Error detection method Anomalously low temperature or high temperature resistance is detected on the indoor heat exchanger thermistor ThI R1 R2 or R3 3 Condition of Error displayed When the temperature thermistor detects 50 C or lower for 5 seconds continuously the compressor stops After 3 minutes...

Страница 228: ...r Replace Defective indoor control PCB Replace Defective return air temperature thermistor input circuit 2 Error detection method Anomalously low temperature or high temperature resistance is detected by indoor return air temperature thermistor Thi A 3 Condition of Error displayed When the temperature thermistor detects 50 C or lower for 5 seconds continuously the compressor stops After 3 minute d...

Страница 229: ...hermistor see the error display E6 YES NO YES NO Error stop Reset Indoor heat exchanger temperature C 56 63 Wash Defective indoor heat exchanger temperature thermistor connector Correct Defective indoor heat exchanger temperature thermistor Check refrigerant system Adjust 2 Error detection method Indoor heat exchanger temperature thermistor ThI R1 R2 R3 3 Condition of Error displayed When it is de...

Страница 230: ...place Defective indoor control PCB Replace Check optional equipment Correct setting to Humidifier DM interlock Defective indoor power PCB Replace Check wiring of drain motor Correct Check drain motor 2 Error detection method Float switch is activated 3 Condition of Error displayed If the float switch OPEN is detected for 3 seconds continuously or if float switch connector or wire is disconnected 4...

Страница 231: ...ore than 17 indoor units connected to one remote controller NO YES Defective remote controller Replace Reduce to 16 or less units 2 Error detection method When it detects more than 17 of indoor units connected to one remote contorller 3 Condition of Error displayed Same as above 4 Presumable cause Excessive number of indoor units connected Defective remote controller Note Error code Remote control...

Страница 232: ...place fan motor If the error persists after replacing the fan motor replace the indoor control PCB Malfunction by temporary noise 2 Error detection method Detected by rotation speed of indoor fan motor 3 Condition of Error displayed When actual rotation speed of indoor fan motor drops to lower than 200rpm for 30 seconds continuously the compressor and the indoor fan motor stop After 2 seconds it s...

Страница 233: ...ndoor control PCB Defective SW7 Replace Turn SW7 1 on the indoor control PCB OFF and reset the power 2 Error detection method After indoor operation check when the communication between indoor and outdoor unit is established and SW7 1 is still kept ON 3 Condition of Error displayed Same as above 4 Presumable cause Mistake in SW7 1 setting Due to forgetting to turn OFF SW7 1 after indoor operation ...

Страница 234: ...f this error occurs again within 60 minutes after the initial detection 4 Presumable cause Faulty connection of remote controller temperature thermistor Defective remote controller temperature thermistor Defective remote controller PCB Note After 10 seconds has passed since remote controller thermistor was switched from valid to invalid E28 will not be displayed even if the thermistor harness is d...

Страница 235: ...aces adequate Isn t there any fouling or clogging on heater exchanger Control operation check Defective outdoor PCB Replace Excessive refrigerant amount Recharge refrigerant by weighing proper amount on a scale 2 Error detection method Anomalous stop Reset 53 63 Outdoor heat exchanger temperature C 3 Condition of Error displayed When anomalous outdoor heat exchanger temperature occurs 5 times with...

Страница 236: ...ent refrigerant amount Recharge refrigerant by weighing proper amount on a scale Control operation check Defective outdoor PCB Replace Check unit side Isn t filter clogged Are adequate indoor outdoor unit installation spaces Isn t there any short circuit of air Isn t there any fouling clogging on indoor heat exchanger 2 Error detection method For the error detection method refer to the protective ...

Страница 237: ...ure sensor Replace Defective outdoor PCB Replace Defective outdoor heat exchanger temperature sensor input circuit 2 Error detection method Detection of anomalously low temperature resistance on the outdoor heat exchanger temperature sensor 3 Condition of Error displayed When the temperature sensor detects 55 C or lower for 20 seconds continuously within 2 minutes to 2 minutes 20 seconds after the...

Страница 238: ...efective outdoor PCB Replace Defective outdoor air temperature sensor input circuit 2 Error detection method Detection of anomalously low temperature resistance on outdoor air temperature sensor 3 Condition of Error displayed When the temperature sensor detects 55 C or lower for 5 seconds continuously within 2 minutes to 2 minutes 20 seconds after the compressor ON the compressor stops After 3 min...

Страница 239: ... discharge pipe temperature sensor Replace Defective outdoor PCB Replace Defective temperature sensor input circuit 2 Error detection method Detection of anomalously low temperature resistance on the discharge pipe temperature sensor 3 Condition of Error displayed When the temperature sensor detects 25 C or lower for 5 seconds continuously within 10 minutes to 10 minutes 20 seconds after the compr...

Страница 240: ...supply Open the valves Check refrigerant amount and refregerant circuit In case of transitional increase of high pressure and or test run several times restarting may recover it because liquid refrigerant migrated in the compresser is discharged from the compressor Replace compressor 2 Error detection method In order to prevent from overcurrent of inverter if the current exceeds the specifications...

Страница 241: ...lly opened Is the filter clogged Is there any liquid flooding Is the superheat within normal range Is the low pressure sensor and suction pipe temperature thermistor normal Is there any anoumalous sound on the compressor YES Continue from previous page YES Defective outdoor PCB Replace Defective outdoor PCB Replace 2 Error detection method In order to prevent from overcurrent of inverter if the cu...

Страница 242: ...eign matter like dust fouling etc YES Is voltage within the specified range NO Restore normal condition Restore normal condition Remove foreign matter like dust fouling etc Defective outdoor PCB Replace 2 Error detection method Error is displayed if the converter voltage exceeds DC340V 3 times within 20 minutes Remote controller may be set after 3 minutes delay 3 Condition of Error displayed Same ...

Страница 243: ... motor 3 Condition of Error displayed When actual rotation speed of outdoor fan motor drops to 75min 1 or lower for 30 minutes continuously the compressor and the outdoor fan motor stop After 3 minutes delay it starts again automatically but if this anomaly occurs 3 times within 60 minutes after the initial detection 4 Presumable cause Defective outdoor PCB Foreign material at rotational area of f...

Страница 244: ... cause Note If the power transistor primary current exceeds the setting value for 3 seconds the compressor stops Power transistor primary current Faulty outdoor PCB Dust on control PCB Blown F2 fuse NO NO Check soldered surfaces on the outdoor control PCB for foreign matter like dust fouling etc Isn t F2 fuse 250V 20A blown Remove foreign matter like dust fouling etc Replace fuse Defective outdoor...

Страница 245: ...r return air temperature thermistor input circuits 2 Error detection method Judge insufficient refrigerant amount by detecting the temperature differnce between indoor heat exchanger ThI R and indoor return air ThI A 3 Condition of Error displayed When the insufficient refrigerant amount is detected 3 times within 60 minutes 4 Presumable cause Defective indoor heat exchanger temperature thermistor...

Страница 246: ...ces Faulty compressor Defective outdor air temp sensor Defective outdoor PCB Diagnosis Countermeasure 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Note NO NO NO NO NO YES YES YES Is outdoor ventilation condition good Inspect outdor air temp sensor Is the refrigerant amount nomal Adjust the refrigerant amount properly Secure space for inlet and outlet Replace compresso...

Страница 247: ...ange over to the rotor detection operation of compressor motor 3 Condition of Error displayed If compressor fails to startup for 42 times 4 Presumable cause Faulty outdoor fan motor Faulty outdoor PCB Anomalous power supply voltage Improper refrigerant amount and refrigerant circuit Faulty compressor Motor bearing Note Insulation resistance The unit is left for long period without power supply or ...

Страница 248: ...hifting to the compressor rotor position detection operation the compressor stops 4 Presumable cause Defective outdoor fan motor Defective outdoor PCB Anomalous power supply voltage Improper refrigerant amount and refrigerant circuit Defective compressor motor bearing Note Insulation resistance The unit is left for long period without power supply or soon after installation migrated liquid refrige...

Страница 249: ...a nipper or knife and grind burrs with a file etc Install the lower case to the flat wall with attached two wooden screws Connect the remote controller co terminal block Connect the terminal of remote c with the terminal of indoor unit X X and Y are no polarity Wiring route is as shown in the rig depending on the pulling out dire The wiring inside the remote cont The sheath should be peeled off Th...

Страница 250: ...nnect the remote controller cord to the terminal block Connect the terminal of remote controller X Y with the terminal of indoor unit X Y X and Y are no polarity Wiring route is as shown in the right diagram depending on the pulling out direction The wiring inside the remote controller case should be within 0 3mm2 recommended to 0 5mm2 The sheath should be peeled off inside the remote controller c...

Страница 251: ...er three seconds The indication changes to FUNCTION SET 2 Press button once and change to the TEMP RANGE indication 3 Press SET button and enter the temperature range setting mode 4 Select UPPER LIMIT or LOWER LIMIT by using button 5 Press SET button to fix 6 When UPPER LIMIT is selected valid during heating Press SET button to fix Indication example UPPER 26 C Displayed for two seconds After the ...

Страница 252: ...stop position in the four The louver can stop at any position In normal working indication indoor unit temperature is indicated instead of airflow Only the master remote controller can be indicated Heating preparation indication should not be indicated Temperature indication is by degree C Temperature indication is by degree F ON OFF button finished Start Stop air conditioner and press SET and MOD...

Страница 253: ...crease in return air temperature of indoor unit To be reset producing 1 5 C increase in return air temperature of indoor unit To be reset producing 2 0 C increase in return air temperature of indoor unit When heating thermostat is OFF to be operated with low fan speed or with ultra low fan speed in case of some models When heating thermostat is OFF to be operated with set fan speed When heating th...

Страница 254: ...he FUNCTION SET will be displayed Press SET button Selecct FUNCTION remote controller function or I U FUNCTION indoor unit function Operation message Function description setting description Function No Fixing button Finishing button 7 2 1 6 Starting button Previous screen button Indoor unit selection button Press SET button 6 DATA LOADING Indication with blinking Display is changed to 01 GRILLE S...

Страница 255: ...el located on the refrigerant pipes side 4 Remove two screws and detach the lid from the control box of the air conditioner Setting on site 1 PCB on the receiver has the following switches to set the functions Default setting is shown with mark Customized signal setting to avoid mixed communication Receiver master slave setting Buzzer valid Invalid Auto restart Normal Remote Master Slave Valid Inv...

Страница 256: ... 2 An indication will be displayed for 3 5 seconds after transmitting a STOP command from the wireless remote controller or the operation of the backup button to stop the unit 3 An indication appearing in 1 or 2 above will go off as soon as the unit starts operation 4 When there are no error records to indicate addresses of all the connected units are displayed 5 When there are some error records ...

Страница 257: ...spection lamp During operation Green failure Red Remote controller sensor ON OFF button Button to start stop the air conditioner FAN SPEED button Button to set the fan speed AIR CON No button Indicates the No of air conditioner which is connected MODE button Use to select the mode TEMP button Use to raise the setting temperature TEMP button Use to lower the setting temperature Operation mode displ...

Страница 258: ...n site configuration 2 Maximum prolongation of remote controller wiring is 600m If the prolongation is over 100m change to the size below But the wiring in the remote controller case should be 0 3mm2 recommended to 0 5mm2 Change the wire size outside of the case according to wire connecting Waterproof treatment is necessary at the wire connecting section Be careful about contact failure Thin part ...

Страница 259: ...d The remote controller cord can be extracted from the upper center After the thin part in the upper side of the remote controller upper case is scraped with a nipper or knife remove burr with a file The lower case of the remote controller is mounted to a flat wall with two accessory wood screws Connect the remote controller cord to the terminal block Connect the terminals X and Y of the remote co...

Страница 260: ...nd master slave setting of the remote controller 5 Confirmation method for return air temperature Return air temperature can be confirmed by the remote controller operation Press AIR CON NO button for over 5 seconds 88 blinks on the temperature setting indicator 88 blinks for approximately 2 seconds while data is read Then the return air temperature is displayed Example return air temperature 27 C...

Страница 261: ... case of remote controller thermistor enabled offset temperature at 2 0 C 07 Remote controller thermistor 3 0 C At the time of heating in the case of remote controller thermistor enabled offset temperature at 3 0 C 05 Ventilation setting 01 No ventilator connection 02 Ventilator links air conditioner In case of Single split series by connecting ventilation device to CNT of the indoor printed circu...

Страница 262: ...o the function number blinking indication if the setting is sequentially conducted continue with the same procedures If the setting is finished proceed to Stop air conditioning and simultaneously press AIR CON NO and MODE buttons at the same time for over three seconds The function number 01 blinks in the upper right Press TEMP or TEMP button Select the function number Press MODE button Decide the...

Страница 263: ... an electric shock fire and sersonal injury Warnings Warning Always go along these instruction Safety precautions Before use please read these Safety Precautions thoroughly before installation All the cautionary items mentioned below are important safety related items to be taken into consideration so be sure to observe them at all times Incorrect installation could lead to serious consequences su...

Страница 264: ...ly 1 3m from the indoor unit Be sure not to extend the connection cable on site If the connection cable is extended malfunction may occur Fix the interface on the wall pillar or the like Cut out the punch outs for the connection cables running into the casing with cutter Recess the electrical box locally procured and connection cables in the wall Mount the lower casing of the interface to the elec...

Страница 265: ...re round cable Vinyl insulated wirevinyl sheathed cable for control It is available to operate the air conditioning unit and to monitor the operation status with the external control unit remote display by sending the input output signal through CNT connector on the indoor control PCB Connect a external remote control unit locally procured to CNT terminal In case of the pulse input switch OFF the ...

Страница 266: ...should be used for the wiring of wired remote controller C Maximum length of wiring is 600m If the length of wiring exceeds 100m change the size of cable as mentioned below 100m 200m 0 5mm2 x 2 core 300m or less 0 75mm2 x 2 core 400m or less 1 25mm2 x 2 core 600m or less 2 0mm2 x 2 core However cable size connecting to the terminal of wired remote controller should not exceed 0 5mm2 Accordingly if...

Страница 267: ... 266 10 SR T 091 12 5 Super link E board SC ADNA E F SL2NA E and SL3N AE BE to control ...

Страница 268: ... 267 10 SR T 091 ...

Страница 269: ...the ceiling 2 Remove the center screw for the air inlet grille and open the grille as shown in the illustration Next insert the air inlet grille into the duct for the air inlet grille and secure it with the pan head screws the long screws 3 Use the pan head screws to make the small adjustments in height The height dimension on the installation dia gram allows for adjustment within range of 80 to 1...

Страница 270: ...1 8 60 Duct joint Tapping screws Heat insulation materials 15x15xt3 Duct joint Tapping screws 8 locations Indoor unit Unit mm 2 Rear inlet filter set a Part No RBF12 b Installation Do not use this filter set alone There are two inlet ports lower inlet port normal and rear inlet port 1 Detach the rear panel and the hanger metal screwad onto the rear panel from an indoor unit 2 Attach the removed ha...

Страница 271: ...RRM35ZE S Heating Hi Cooling Hi SRRM25ZE S 10 20 30 40 50 5 6 7 8 9 10 11 External static pressure Pa External static pressure Pa External static pressure Pa External static pressure Pa Heating Hi Cooling Hi Standard Standard Minimum Minimum 10 20 30 40 50 20 30 40 50 60 70 40 50 60 70 80 90 7 8 9 10 11 12 13 14 8 9 10 11 12 13 14 15 16 Minimum Minimum Minimum Minimum Standard Standard Standard St...

Страница 272: ...eration Systems Headquarters 16 5 2 chome Kounan Minato ku Tokyo 108 8215 Japan Fax 03 6716 5926 Copyright MITSUBISHI HEAVY INDUSTRIES LTD Because of our policy of continuous improvement we reserve the right to make changes in all specifications without notice C ...

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