Mitsubishi Electric Lossnay LGH-F1200RX3-E Page 37 Handbook Download | Manualshive

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Summary of Contents for Lossnay LGH-F1200RX3-E

Page 1: ...must be performed by the manufacturer its service agent or a similarly qualified person in order to avoid hazards LOSSNAY HANDBOOK MODELS LGH F300RX3 E LGH F600RX3 E LGH F1200RX3 E Nameplate Nameplate April 2018 No U112 B ...

Page 2: ...hooting 9 22 4 1 Service Flow 9 10 4 2 Items to Check 11 21 4 3 Circuit Test Point 22 5 Overhaul procedures 23 28 5 1 Blower Parts 23 25 5 2 Damper Movement Motor Part All units available 25 26 5 3 Circuit Board Part 26 28 6 Parts list 29 41 LGH F300RX3 E 30 33 LGH F600RX3 E 34 37 LGH F1200RX3 E 38 41 ...

Page 3: ... instruction Be sure to follow this instruction Safety precautions Please be sure to read the following safety precautions thoroughly before commencing with the maintenance work and conduct the inspection and repair of the product in a safe manner The types and levels of danger that may arise if the product is handled incorrectly are described by using the warning symbols shown below Electric shoc...

Page 4: ... 4 1 Specifications ...

Page 5: ...2 Dimensions Unit inch LGH F300RX3 E LGH F600RX3 E 5 ...

Page 6: ...Unit inch LGH F1200RX3 E 6 ...

Page 7: ... Relay contact For mal function monitor output CN1 Connector Transformer primary CN2 Connector Transformer secondary CN5 Connector Thermistor CN6 Connector Microswitch CN7 Connector Motor for Bypass operation CN8 1 Tab connector Fan motor CN8 2 Tab connector Fan motor CN9 Connector Fan motor CN10 Connector Fan motor CN16 Connector High Low switch CN32 Connector Remote control selection SA1 Address...

Page 8: ...8 Relay contact For malfunc tion monitor output CN1 Connector Transformer primary CN2 Connector Transformer sec ondary CN5 Connector Thermistor CN6 Connector Microswitch CN7 Connector Motor for Bypass operation CN8 1 Tab connector Fan motor CN8 2 Tab connector Fan motor CN9 Connector Fan motor CN10 Connector Fan motor CN16 Connector High Low switch CN32 Connector Remote control selection SA1 Addre...

Page 9: ...regularly The Lossnay does not operate or operates irregularly Trouble Mode 4 Check with the remote controller checklist table 3 Check with the Lossnay checklist table 4 Precautions when diagnosing malfunctions When removing a transistor or printed circuit board make sure the breaker is thrown When removing the circuit board always hold it at both ends and remove carefully so as not to apply force...

Page 10: ...fixed Cancellation Cancellation Fan motor operation device error Damper motor error OA temperature sensor error RA temperature sensor error Test operation Dual address No ACK No response Controller communication error Communication circuit error Polarity not set PZ 41SLB E communica tion error Classification Communication error Measures taken by Lossnay Remote controller display error code LED 1 g...

Page 11: ...t to Sub 11 When using M NET Is the address switch on the Lossnay circuit board SA1 SA2 set to the correct number 12 When using external control input Do the specifications of the external signal match specifications of signals that can be input to the Lossnay 13 When the external input signal is a pulse signal Is the pulse input switch SW2 2 on the Lossnay circuit board set to ON 14 When the exte...

Page 12: ...ransmission cable 3 Interlocked operation with external device does not occur The type of external signal does not match the connected terminal unit charged uncharged Mr Slim signal The type of external signal does not match the pulse input switch SW2 2 setting level signal pulse signal The external device signal is not being input The external device and signal cable wiring is longer than specifi...

Page 13: ...other City Multi unit It has been set for interlocked operation with the City Multi unit Cancel the interlocked operation setting 4 Cannot perform group settings for the Lossnay using MELANS ME remote controller or MA remote controller The remote controller shows 88 at the time of regis tration Power is not supplied to the Lossnay or power outside specifications is connected The M NET transmission...

Page 14: ...ntroller and the Lossnay does not operate The remote controller is PZ 41LSB E and con nected to the TB5 A B Change to the PZ 52SF E remote controller PZ 41SLB E can not be used with a M NET system 10 The operation specified by the centralised con troller differs from the operation of the Lossnay The remote controller is PZ 41SLB E and con nected to the TM2 5 6 Change to the PZ 52SF E remote contro...

Page 15: ...snay fan will not stop Replace the table LC 3602 SLC 3602 3 blinks Damper related error Damper board operation is not cor rect Connectors for the damper unit are not correctly connected Remove the load and check or move the damper board by hand Check the connection of the lead wire s connectors and the circuit connector LC 5101 SLC 5101 4 blinks OA thermis tor related error Connectors for the ther...

Page 16: ...and the circuit connector 5102 5 blinks RA thermis tor related error Connectors for the thermistor are not correctly connected Check the connection of the lead wires connectors and the circuit connector 6602 6603 6604 1 5 blinks Communic ation cir cuit section error Error with transmission cable Controller where error originally occurred is defective Lossnay board is defective Check transmission c...

Page 17: ...r LCD are dim The release of the Delay Start button or the Filter Reset button is not good Replace the remote control Replace the remote control 4 Cannot stop the Lossnay with the remote controller display shows Interlocked External priority ON OFF setting is made Check the interlocked operation mode setting 5 Cannot switch fan speed with the remote con troller High Low change input CN16 is ON The...

Page 18: ...ply unit longer than 1640 ft between ends 3 Cannot register the Lossnay from the remote controller or the con troller Power supply to the Lossnay is not turned on Lossnay is connected to a power supply with a rating outside specification Transmission cable to the Lossnay is not con nected Lossnay transmission cable connection termi nal is wrong Lossnay address is wrong The length of wiring of the ...

Page 19: ...t match the connected terminal unit charged uncharged Mr Slim signal The type of external signal does not match the pulse input switch SW2 2 setting level sig nal pulse signal The external device signal is not being input The external device and signal cable wiring is longer than specifications 12V DC 24V DC Longer than limitations of external device Uncharged a contact Longer than 1640 ft Mr Slim...

Page 20: ...d ON When using the remote controller to change ventilation mode there may be a delayed start of up to 30 seconds depending on the timing Check the outdoor air temperature Remove the load and check or move the damper board by hand Check the connections of the lead wire connectors and the cir cuit connectors Check the connections of the lead wire connectors and the control circuit connectors Check ...

Page 21: ...8 8 49 78 8 4 82 105 8 2 86 0 4 29 50 26 6 15 08 53 6 8 17 80 6 4 65 107 6 2 77 1 4 28 14 28 4 14 45 55 4 7 85 82 4 4 49 109 4 2 68 3 2 26 87 30 2 13 86 57 2 7 55 84 2 4 33 111 2 2 59 5 25 65 32 13 29 59 7 27 86 4 18 113 2 51 6 8 24 51 33 8 12 74 60 8 6 99 87 8 4 03 114 8 2 43 8 6 23 42 35 6 12 22 62 6 6 73 89 6 3 89 116 6 2 35 10 4 22 39 37 4 11 72 64 4 6 48 91 4 3 76 118 4 2 28 12 2 21 41 39 2 1...

Page 22: ...08 V 230 V AC 5 V DC 12 V DC Transformer output 11 V to 20 V AC GND LED4 red lit when power is supplied to circuit 12 V DC Thermistor outdoor air Thermistor return air Damper position detector during Lossnay ventilation 12 V DC during by pass ventilation 0 V LED6 red lit when power is supplied to M NET M NET transmission cable shielded M NET transmission cable PZ 52SF E MELANS power supply unit or...

Page 23: ...d clip 2Open the door and lift off of the hinge brackets 3Take hold of the handle and draw the Lossnay cores out from the unit LGH F300RX3 E LGH F600RX3 E Hinge Maintenance Cover LGH F300RX3 E LGH F600RX3 E Core Screw Screw Filter Filter LGH F1200RX3 E Hinge Maintenance Cover LGH F1200RX3 E Core ...

Page 24: ...lters located at the bottom left and right of the Lossnay cores off the velcro that holds them in place Air filters Lossnay core Velcro 5Remove screw from the core guide Remove core guide 6Remove separator from the blower portion Core Guide Separator 24 ...

Page 25: ...crews from the motor base 8Remove the pre assembled blower Motor Base Motor Pre assembled Blower 5 2 Damper Movement Motor Part All units available 1Remove 2 screws out from the damper motor cover Damper Motor Cover ...

Page 26: ...ut of the cover Damper Movement Motor 1Remove 2 screws from the control cover and open the control cover Control Cover 5 3 Circuit Board Part 1 LGH F300RX3 E LGH F600RX3 E 26 Caution When assembling again should clamp same as right fig ...

Page 27: ...om capacitors 3Remove all harnesses connected to the circuit board 4Take the circuit board out Capacitors Circuit Board 1Remove 2 screws from the control cover and open the control cover 2 LGH F1200RX3 E 27 Control Cover ...

Page 28: ...2Remove all harnesses connected to the circuit board 3Take the circuit board out 28 Circuit Board ...

Page 29: ... screw PPT screw PCT screw PTT screw PT screw SET screw SQ SET screw P SET screw PMT screw HS SET screw P R W screw P C W screw P R C W screw R W screw PW PP screw SW PW PP screw Description Cross recess flat head machine screw Cross recess oval head machine screw Cross recess pan head machine screw Cross recess pan head screw with spring washer Cross recess tapping screw Cross recess flat head ta...

Page 30: ...er Y50 061 704 4 6 Maint cover Y50 062 707 1 7 Core guide R50 216 381 1 8 Filter R50 521 717 4 9 Lossnay core R50 478 713 2 10 Core guide R50 478 382 1 11 Cover R50 351 708 2 12 Spl screw 4x11 M34 074 017 1 13 Hinge R50 466 344 1 14 PTT screw 4x8 H00 000 487 39 15 Fix piece Y50 029 712 1 16 Flange R50 429 609 2 17 Filter stopper R50 521 710 8 18 PTT screw 4x12 H00 000 488 2 Remarks No Name of part...

Page 31: ...Left handed 32 Tab washer M34 398 077 2 33 Centrifugal fan R50 351 480 2 φ 220 34 Fan base R50 478 707 2 35 Spl washer 10 M34 706 465 2 φ40 Outer dia 36 Motor Y50 113 453 2 37 Motor fix plate R50 351 713 2 38 PTT screw 5x10 H00 189 007 16 No Name of part Parts No Q ty pcs unit Critical for safety Remarks ...

Page 32: ...over Y55 001 280 2 68 Fuse Y50 113 280 2 6 3A AC250V 69 PPT screw 3x10 H00 000 676 2 70 Fuse holder Y55 001 281 2 71 PT screw 4x8 BS H00 011 008 2 72 Lock washer 4 H00 013 076 4 73 Support piece H00 605 095 4 74 Support piece H00 605 096 3 75 Control base Y50 113 708 1 76 Side cover Y50 113 707 1 77 Bush K82 163 225 3 78 Control cover Y50 113 706 1 79 Wiring diagram Y50 114 361 1 80 Hinge R50 155 ...

Page 33: ... 33 51 52 53 54 55 56 57 58 59 60 61 62 52 58 62 61 65 83 81 66 67 68 69 70 86 72 71 63 64 73 74 75 76 77 78 79 80 82 84 85 87 52 52 73 74 52 52 77 82 72 63 14 14 ...

Page 34: ...000 244 16 6 Maint cover Y50 039 707 1 7 Core guide R50 219 381 1 8 Filter R50 522 717 4 9 Lossnay core R50 524 712 2 With filter stoppers 10 Core guide R50 481 381 1 11 Cover R50 358 704 2 12 Hinge R50 466 344 1 13 Spl screw 4x11 M34 074 017 1 14 Fix piece Y50 029 712 2 15 Sound absorber Y50 126 718 1 16 Flange Y50 021 609 2 17 Filter stopper R50 522 710 8 No Name of part Parts No Q ty pcs unit C...

Page 35: ...n R50 479 480 2 φ 245 34 PT screw 6x20 H00 157 008 8 35 Spl washer 6 M34 043 080 8 36 Spacer R50 000 095 8 37 Bush R50 217 225 8 38 Fan base R50 480 707 2 39 Key Y50 033 104 2 5x5x11 5 40 Inlet ring R50 264 711 2 41 Motor fix plate R50 218 712 2 42 PTT screw 5x10 H00 189 007 16 43 Motor Y50 114 453 2 44 Nut M6 H00 061 050 8 No Name of part Parts No Q ty pcs unit Critical for safety Remarks ...

Page 36: ...over Y55 001 280 2 68 Fuse Y50 113 280 2 6 3A AC250V 69 PPT screw 3x10 H00 000 676 2 70 Fuse holder Y55 001 281 2 71 PT screw 4x8 BS H00 011 008 2 72 Lock washer 4 H00 013 076 4 73 Support piece H00 605 095 4 74 Support piece H00 605 096 3 75 Control base Y50 113 708 1 76 Side cover Y50 113 707 1 77 Bush K82 163 225 3 78 Control cover Y50 113 706 1 79 Wiring diagram Y50 114 361 1 80 Hinge R50 155 ...

Page 37: ... 37 51 52 53 54 55 3 56 57 58 59 60 61 62 58 61 62 61 61 65 83 81 66 67 68 69 70 86 72 71 63 64 73 74 75 76 77 78 79 80 82 84 85 87 57 57 73 74 57 57 77 82 72 63 14 3 ...

Page 38: ...H00 000 244 40 7 Maint cover Y50 039 707 2 8 Core guide R50 219 381 2 9 Filter R50 522 717 8 10 Lossnay core R50 524 712 4 With filter stoppers 11 Core guide R50 481 381 2 12 Spl screw 4x11 M34 074 017 2 13 PTT screw 4x8 H00 000 487 89 14 Fix piece Y50 029 712 4 15 Sound absorber Y50 126 718 2 16 Special washer 4 2 H00 479 081 32 17 Filter stopper R50 522 710 16 18 PTT screw 4x12 H00 000 488 4 No ...

Page 39: ...R50 479 480 4 φ 245 34 PT screw 6x20 H00 157 008 16 35 Spl washer 6 M34 043 080 16 36 Spacer R50 000 095 16 37 Bush R50 217 225 16 38 Fan base R50 480 707 4 39 Key Y50 033 104 4 5x5x11 5 40 Inlet ring R50 264 711 4 41 Motor fix plate R50 218 712 4 42 PTT screw 5x10 H00 189 007 32 43 Motor Y50 114 453 4 44 Nut M6 H00 061 050 16 No Name of part Parts No Q ty pcs unit Critical for safety Remarks ...

Page 40: ...Support piece H00 605 096 6 69 PP screw 4x8 H00 000 003 4 70 Lock washer 4 H00 013 076 4 71 Transformer Y50 047 216 2 AC230V 72 Fuse Y50 113 280 4 6 3A AC250V 73 Capacitor Y50 114 235 4 7 0μF 440VAC 74 Cord band K83 170 228 2 White 75 Control base Y50 115 704 1 76 Side cover Y50 115 707 1 77 PPT screw 4x12 H00 154 005 4 78 Terminal block K81 432 236 1 3P 79 Insulator plate Y50 110 226 1 80 Cord cl...

Page 41: ... 41 51 52 53 54 55 13 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 73 74 75 76 72 86 87 88 13 13 73 73 73 66 13 13 64 77 78 79 80 81 82 83 84 85 72 86 87 88 58 62 61 61 61 ...

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