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Mitsubishi Electric LGF-100GX-E, Handbook

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Mitsubishi Electric LGF-100GX-E Handbook Download Page 2

Contents

 1. Safety precautions  ....................................................................... 3
 2. Speci

fi

 cations  .............................................................................. 4

 3. Outside dimensions  .................................................................. 5-6
  4.  Electrical wiring diagram  ............................................................. 7
  5.  Basic circuit diagram  ................................................................... 8
  6.  Fundamentals of operation  ..................................................... 9-31
 7. Troubleshooting  .................................................................... 32-52
 8. Overhaul procedure ............................................................... 53-55
 9. Parts catalog  ........................................................................ 56-64
  

LGF-100GX-E ................................................................. 57-64

Summary of Contents for LGF-100GX-E

Page 1: ...acturer its service agent or a similarly qualified person in order to avoid hazards LOSSNAY HANDBOOK MODELS LGF 100GX E April 2019 No U174 C Remote controller Optional PZ 60DR E Filter PZ 100GF E Pre filter PZ 100GFM E High efficiency filter Nameplate ...

Page 2: ...ns 3 2 Specifications 4 3 Outside dimensions 5 6 4 Electrical wiring diagram 7 5 Basic circuit diagram 8 6 Fundamentals of operation 9 31 7 Troubleshooting 32 52 8 Overhaul procedure 53 55 9 Parts catalog 56 64 LGF 100GX E 57 64 ...

Page 3: ...may result in electric shock fire and or bodily injury Be sure to follow this instruction Replace damaged and or degraded parts Be sure to replace the power supply cord and lead wire in the event that they are damaged and or degraded Failure to heed this warning may result in electric shock and or fire Be sure to follow this instruction Check insulation Be sure to measure the insulation resistance...

Page 4: ... 4 2 Specifications ...

Page 5: ... 5 3 Outside dimensions LGF 100GX E Unit mm ...

Page 6: ... 6 PZ 60DR E Unit mm PZ 100GF E PZ 100GFM E Unit mm Unit mm ...

Page 7: ... 7 4 Electrical wiring diagram LGF 100GX E Establish Connection to TM1 TM2 TM3 TM4 and TB5 shown in dotted lines at worksite Do not connect an inverter for power supply ...

Page 8: ... is OFF During bypass ventilation 0Ω During Lossnay ventilation Ω When SW5 6 is ON During operation and when the outdoor air temperature is 5 C to 15 C 0Ω While the unit is stopped or when the outdoor air temperature is 15 C Ω TM3 6 7 Thermistor RA OA CN5 LED 2 Red When it is blinking an M NET communication error is occured The number of blinks indicates the details of the error It will be lit ste...

Page 9: ...te controller PZ 60DR E or PZ 41SLB E One remote controller oper ates one Lossnay unit Two remote controllers oper ate one Lossnay unit Last touch priority operation PZ 60DR E and PZ 41SLB E cannot be used together Lossnay remote controller PZ 60DR E or PZ 41SLB E Lossnay remote controller PZ 60DR E or PZ 41SLB E A maximum of 15 Lossnay units can be operated by a single remote controller Group ope...

Page 10: ...on is permitted from an air conditioner remote control ler Having PZ 60DR E or PZ 52SF E last touch priori ty operation is permitted with the air conditioner remote controller and the Lossnay remote controller 1 PZ 41SLB E cannot be used in this system 2 PZ 60DR E and PZ 52SF E cannot be used together Lossnay batch independent group control permitted by system controller Operation of Lossnay withi...

Page 11: ...troller MA remote controller PAR 20 21MAA Wireless remote controller PAR FA FL 31MA Compact remote controller PAC YT51CRA Compact remote controller PAC SE51CRA ME remote controller PAR F27MEA PAR 21MAA A control remote controller K control remote controller For Lossnay M NET control Model Classification System controller Product Model 2 Start up process When the power is turned on operation will n...

Page 12: ...mote controller PZ 60DR E A control remote controller K control remote controller Remote control ler connection prohibited with Lossnay The A control remote controller Ventilation button permits High Extra High Low fan speed selection High Extra High Low fan speed selection is not available from the K control remote controller System interlocked with Mr Slim None Level signal pulse signal System i...

Page 13: ... with the remote controller or the sys tem controller can be fixed at Low The supply exhaust balance is adjusted to suit the usage environment or the place of instal lation Power supply exhaust when operation starts ON Refer to page 28 During the first 30 minutes of operation operation will be at High Extra High fan speed This is used when rapid ventila tion is desired at the time of starting oper...

Page 14: ...ilation heat exchange ventilation mode Heat exchange ventilation is performed regularly via the Lossnay core Bypass ventilation normal ventilation mode Ventilation is performed regularly without going through the Lossnay core Automatic ventilation mode A temperature sensor built into the unit provides automatic ventilation to a suitable ventilation mode In addition energy saving ventilation is pro...

Page 15: ...tem interlocked with City Multi indoor units Up to two of the Lossnay remote controllers PZ 60DR E PZ 41SLB E and PZ 52SF E can be used in the same group but they cannot be used together with a different remote controller When using two remote controllers be sure to use the same model of the re mote controller PZ 41SLB E cannot be used in M NET control When controlling Lossnay in M NET con trol us...

Page 16: ... map Ventilation mode switching of Lossnay ventilation Bypass ventilation in the automatic ventilation mode is in accordance with the following map a Systems interlocked with Mr Slim and City Multi indoor units The map will differ depending on the operation mode that has been set with the A control remote control ler or the K control remote controller for Mr Slim or the MA remote controller or the...

Page 17: ...tained Lossnay ventilation area Bypass ventilation area Undetermined area Bypass Ventilation Bypass Ventilation Undetermined area b When there is no interlocking with Mr Slim and City Multi indoor units Pattern 1 Normal ventilation mode When PZ 60DR E is used operation will be at the setting of automatic ventilation adjustment pattern 1 of the remote controller function selection When PZ 60DR E is...

Page 18: ...remote controller or ME remote controller and the ventilation setting The City Multi indoor unit operation mode target tempera ture and other internal information can also be brought in Systems interlocked with Mitsubishi City Multi indoor units 5 Interlocking with external devices Input signal The system will interlock with the following input signals from external devices and start stop systems ...

Page 19: ...ill start when the pulse signal is input Stopping is controlled by the remote controller ON interlock Lossnay will start with the start signal of the external device Stopping is controlled by the remote controller Interlock mode setting on SW5 7 OFF SW5 8 ON 3 Lossnay will stop when the pulse signal is input Starting is controlled by the remote controller OFF inter lock Lossnay will stop with the ...

Page 20: ...ture is 15 C or higher 220 V AC 100 mA 5 V DC 100 mA 1 Terminal of TM3 is a common terminal with bypass operation monitor operation monitor with delay function 2 output 2 Terminal of TM3 is a common terminal with malfunction monitor output 3 The operation monitor can also be used as an air supply fan operation monitor with the setting described below When using PZ 60DR E Set 2 for operation monito...

Page 21: ...ensor etc Insert the remote display adaptor PAC SA88HA E into the connector CN16 on the Lossnay circuit board and input the signal uncharged a contact from a CO2 sensor to the brown and orange lines When the contacts in the diagram below are ON closed the system will switch to Low fan speed regardless of the fan speed settings on the remote controller or the system controller CN16 Contact rating 1...

Page 22: ...nits within the same group When PZ 60DR E is not used input bypass ventilation switching into each Lossnay unit The setting is applied only to the Lossnay units that have received input Operation Multiple units A remote display adaptor PAC SA88HA E which is sold separately is required for the connections Insert the remote display adaptor PAC SA88HA E into the connector CN16 on the Lossnay circuit ...

Page 23: ...harge accumulated heat and reduce the air conditioning load the next morning If Night purge is enabled per the Installation Manual for PZ 60DR E 5 Function Selection 5 8 night purge operation will be performed based on the flowchart shown in the next page From 1 00 A M to 6 00 A M Night Purge indicator is shown on the screen at 1 The fan speed will revert to the last setting before the Lossnay uni...

Page 24: ...n satisfied Night Purge mode is active no operation 1 00 A M Outdoor temperature 17 C 28 C or more within 24 hours Temperature monitoring operation 5 minutes Night Purge operation Bypass ventilation 55 minute stop Night Purge operating Finish Night Purge operation Stop No Yes 6 00 A M No No No No Yes Yes Yes Yes The outdoor temperature OA setting can be selected either 17 C or 28 C with the DIP sw...

Page 25: ...of the filter cleaning dis play ON 3 000 hours OFF No filter maintenance display Factory setting 5 TM3 output setting ON Operation monitor output with delay functions 2 Refer to 3 Fan speed control by function setting page 13 and 6 Output terminals page 20 OFF Bypass ventilation operation monitor output Factory setting 6 Interlock mode setting Note 1 Effective only at the time of external control ...

Page 26: ...is set to Main and that all the others are set to Sub When interlocked with an external device be sure to connect the external device to the Lossnay that is set to Main 11 Function selection with PZ 60DR E When PZ 60DR E is used function selection can be made from the remote controller Functions can be switched from PZ 60DR E even after the function selection switches have been set on the Lossnay ...

Page 27: ...ed Factory setting Weekly timer is used Factory setting This cannot be selected unless the clock function is used Simple timer is used Clock time day of the week is not displayed Timer is not used Clock use set ting Timer function setting Contact number setting Display contact information when there is a fault Contact information is not displayed when there is a fault Factory setting Filter mainte...

Page 28: ...ust when operation starts is executed 30 minutes on Intermediate items Names Dot matrix display Selection display Function Notes Function settings from the remote controller to the Sub Lossnay is enabled Factory setting RC Function settings from the remote controller to the Sub Lossnay is disabled dIP Lossnay remains stopped when the power supply is turned on Factory setting oFF Lossnay resumes th...

Page 29: ...on Bypass ventilation fixed 9 Refer to 4 Automatic ventilation algorithm temperature map 10 External input priority will not be possible when the pulse input setting is ON 11 Delayed operation will not be possible when the pulse input setting is ON Total operation hours display Total operation hours of Lossnay ventilation display Lossnay address switch condition Self diagnosis Error history Error ...

Page 30: ... switch condition of the Main Lossnay Example 001 will be displayed when the address is number 01 Lossnay address switch condition Self diagnosis Error history Error history clear Returns all of the remote controller settings and stored content to the factory setting Hold down the Clear button of the remote controller A change of the display from rdy to End will indicate the completion of memory c...

Page 31: ...tion instruction by the Lossnay remote controller or the external device High Extra High fan speed Low fan speed High Extra High fan speed Are the PAC MA remote controller or the A control remote controller used Selection by the PAC remote controller Low fan speed Start instruction by external control input The system without the Lossnay remote controller Heat exchange ventilation fixed Bypass ven...

Page 32: ...lar Troubleshooting 4 Check the checklist for the remote controllers Table 3 1 to 3 2 Check the Lossnay checklist Table 4 Yes No No This is normal No No Yes Yes Yes 7 Troubleshooting Work precautions When removing or touching a transformer printed circuit board or other parts make sure to turn off the earth leakage breaker When removing the circuit board always hold it at both ends and remove care...

Page 33: ...d terminal blocks Basic system PZ 60DR E PZ 41SLB E TM4 M NET control TAB5 A B 7 Is the wiring length of the transmission cable within the regulations Basic system PZ 60DR E PZ 41SLB E Total extension within 500 m M NET control Maximum extension within 200 m total extension within 500 m Action Use specified cables Wire the transmission cable at least 5 cm away from the power supply cable Wire the ...

Page 34: ...ble 1 1 3 Check the following checkpoints when connecting with level signal pulse signal output devices and Mr Slim units 8 Input a signal that suits the speci fications Do the external signals meet specifications Level signal Charged 12 V DC 24 V DC uncharged a contact Pulse signal Charged 12 V DC 24 V DC uncharged a contact A pulse width of 200 ms or greater is required 9 When using PZ 60DR E Ch...

Page 35: ...tor air supply fan operation monitor mal function monitor bypass operation monitor and operation monitor with delay function When the operation monitor is used is the setting of the output signal correct When using PZ 60DR E Check the operation monitor set ting from the function selection Refer to page 28 When not using PZ 60DR E Check the setting of the operation monitor SW5 2 on the Lossnay circ...

Page 36: ...ngth of the trans mission cable wiring Using suitable cables wire the transmission cables so that they are separated from one another Use the same type of the re mote controller Interlock operation with external devices does not occur Is the specified power being supplied to the Lossnay unit Are the signal cables from the external devices wired according to regulations The type of external signal ...

Page 37: ... set it for an address corre sponding to interlock operation Check the length of the trans mission cable wiring See the technical manual for details about the regulations Change it to the PZ 60DR E or PZ 52SF E remote controller PZ 41SLB E cannot be used with the M NET 1 No Lossnay does not in terlock with City Multi indoor units Lossnay cannot be operated with the ventilation button on the ME rem...

Page 38: ... play of PZ 52SF E goes blank and the system does not start The restricted number of connected PZ 52SF E units have been exceeded The length of the transmission cable wiring is longer than specified longer than maxi mum 200 m from the power supply unit longer than 500 m between ends Check the restricted number of remote controller units when us ing the power supply unit See the technical manual fo...

Page 39: ...t been performed by PZ 52SF E Lossnay address setting SA1 SA2 is wrong Lossnay address setting SA1 SA2 was changed The transmission cable power supply re strictions have been exceeded Group setting has not been performed after replacement of the circuit board 9 LC 6608 appears on the remote controller and the Lossnay does not operate PZ 60DR E is connected to the terminal block TB5 A B for the M N...

Page 40: ...y from the power supply cable Check the transmission cable con nection Check the length of the transmis sion cable wiring Error Cause Action RC6608 SRC 6608 Communication error between remote control lers when two remote controllers are connected Multiple transmission cables are wired using multi core cables Transmission cable and power supply cable are too close Transmission cable is not securely...

Page 41: ...s longer than specified longer than 500 m Turn off the main power and set the Main Sub selection switch SW1 Set the first unit to Main and the second and following units to Sub Using suitable cables wire the transmission cables so that they are separated from one another Wire the transmission cable at least 5 cm away from the power supply cable Check the transmission cable con nection Check the le...

Page 42: ...When external devices are con nected check the external devices When external devices are not connected check the TM3 output setting switch SW5 6 Refer to page 25 3602 3 blinks Damper re lated error Damper board operation is not correct Connectors for the damper unit are not correctly connected The switch SW5 10 setting is incorrect Remove the rod and check whether the dampers can be moved manuall...

Page 43: ...ing suitable cables wire the transmission cables so that they are separated from one another Wire the transmission cable at least 5 cm away from the power supply cable Check the transmission cable con nection Check the length of the transmis sion cable wiring Filter clean ing warning according to total hours of operation It is time to clean the Filters After cleaning the filters press the FILTER b...

Page 44: ...displayed Operation of the remote controller has been prohibited by MELANS INTERLOCK MODE is set to oUT exter nal input given priority Remote local switching CN32 is set to Remote Check the setting of the MELANS Check the interlock mode set ting Refer to page 19 Check the remote local switch ing CN32 Refer to page 22 5 Cannot switch fan speed with the remote control ler High Low fan speed switchin...

Page 45: ...The fan does not stop even though the remote controller is set to stop Operation monitor with delay function is set to ON Function selection switch SW2 8 or SW5 6 is set to ON Check the function selection switch SW2 8 or SW5 6 Refer to page 25 Note When two remote controllers are used the combination of the PZ 60DR E and PZ 41SLB E cannot be used 12 CLEANING FILTER CLEANING CORE PZ 60DR E or FILTE...

Page 46: ...with PZ 52SF E or MELANS Power is not supplied to Lossnay Power that does not follow specifications is used Transmission cable to the Lossnay is not connected Transmission cable is connected to the wrong terminal of the Lossnay unit Lossnay address was changed The length of the transmission cable wiring is longer than specified longer than maximum extension 200 m longer than 500 m between ends Che...

Page 47: ...tations of the external device Uncharged a contact Longer than 500 m Mr Slim signal Longer than 500 m The Delay operation is set with the function selection of PZ 60DR E or PZ 41SLB E or the function selection switch SW5 1 on the Lossnay circuit board The ON Interlocked or OFF Interlocked is set with the function selection of PZ 60DR E or PZ 41SLB E or the function selection switches SW5 7 SW5 8 o...

Page 48: ...n switch SW5 3 on the Lossnay circuit board is ON the fans will stop during air conditioner defrost ing Check the exhaust operation setting for air conditioner de frosting with the PZ 60DR E function selection or the func tion selection switch SW5 3 Refer to page 25 and 29 Fan speed will not change High Low fan speed switching external input CN16 is ON When PZ 60DR E is used POWER VENT START is se...

Page 49: ...or output will turn OFF when the outdoor temperature is 10 C or less or at the time of air conditioner defrosting Check the operation monitor output setting with the PZ 60DR E function selection or the function selection switch SW5 2 on the Lossnay circuit board Refer to page 25 and 28 11 Night purge operation does not work even though Night purge operation is set The night purge conditions have n...

Page 50: ...th the LOCKING FUNCTION is set to oFF 6 Button operations are not accepted immediately when the function selection mode or the maintenance mode is entered from the normal display of PZ 60DR E or when the normal display is returned from the function selection mode or the main tenance mode Button operations may not be accepted immediately depending on communication processing When an operation has n...

Page 51: ...night purge conditions have not been satisfied Lossnay has been started or stopped during the display of Night purge Night purge operation will not be performed when CENTRAL is displayed Page 23 24 17 Damper board does not operate When the ventilation mode is switched with the remote controller a maximum delay of 30 seconds will be generated depending on the timing Page 16 18 Delay operation does ...

Page 52: ...5 1 39 3 1 20 32 8 5 16 5 10 8 8 25 5 0 40 3 0 19 31 2 4 15 7 11 8 5 26 4 8 41 2 8 18 29 8 3 15 1 12 8 1 27 4 7 42 2 7 17 28 4 2 14 5 13 7 8 28 4 5 43 2 7 16 27 1 1 13 8 14 7 6 29 4 3 44 2 6 15 25 8 0 13 3 15 7 3 30 4 2 45 2 5 14 24 7 1 12 8 16 7 0 31 4 0 46 2 4 13 23 6 2 12 2 17 6 7 32 3 9 47 2 3 12 22 5 3 11 7 18 6 5 33 3 7 48 2 2 11 21 5 4 11 2 19 6 3 34 3 6 49 2 2 10 20 6 5 10 7 20 6 0 35 3 5 ...

Page 53: ... repair troubled sections according to the instructions described in the troubleshooting When servicing always keep proper footing When servicing make sure that the power cord is pulled out of the outlet or the earth leakage breaker is off if no mains connector is built in the product so as no electrical shock or injury to occur Pay sufficient atten tion when working on the product Always connect ...

Page 54: ...ull out the control box to remove it Control box Connector for the motor SA Connector for the motor EA Connector for the damper motor GM Connector for the thermistor Unscrew the screws four PTT screws 4 x 8 black indicated by Air supply fan assembly Unscrew the screws four PTT screws 5 x 10 two for each side indicated by and pull out the air supply fan assembly to remove it Remove the air exhaust ...

Page 55: ...two PTT screws 4 x 8 black indicated by and remove the maintenance plate small Maintenance plate small Unscrew the fixing screws two PTT screws 4 x 8 indi cated by and remove the damper motor cover Damper motor cover Assemble the unit in the reverse order of disassembly When reassembled always perform a trial operation and make sure that the unit works properly When assembling ...

Page 56: ...lat wood screw R W screw Slotted round wood screw PW PP screw Cross recess pan head screw with small washer SW PW PP screw Cross recess pan head machine screw with spring washer and flat washer Description of screw abbreviations Screw 4 16 Screw diameter Length Please note the following when using the parts catalog 1 When ordering parts always indicate the part number part name and the number of p...

Page 57: ... 57 LGF 100GX E shows accessory parts LGF 100GX E 1 2 4 5 2 10 11 6 7 8 9 12 2 2 2 4 12 10 7 7 10 13 14 15 3 3 14 3 3 ...

Page 58: ...263 2 7 Fix plate W50 007 713 4 8 Maintenance plate L W50 007 830 1 9 PTT screw 4x8 W00 000 036 16 Black 10 Cord bush W00 000 277 6 11 Cord clip W00 000 262 2 12 Lossnay core W50 007 710 2 13 PTT screw 5x10 W00 000 044 24 14 Maintenance panel S W50 007 832 2 15 Maintenance panel L W50 007 833 1 Remarks 58 No Name of part Parts No Q ty pcs unit Critical for safety ...

Page 59: ... 59 LGF 100GX E 26 27 23 24 28 21 22 29 30 25 31 32 33 35 38 40 36 37 39 41 34 30 9 9 9 9 13 34 33 32 30 30 31 29 28 21 22 23 24 25 26 40 39 35 Air exhaust fan assembly Air supply fan assembly 13 40 40 ...

Page 60: ...00 000 107 8 30 PTT screw 4x10 W00 000 037 40 31 Inlet ring W50 001 625 2 32 Centrifugal fan W50 007 480 2 φ 280 33 Washer 12 W00 000 123 2 34 Special nut M12 W00 000 110 2 35 Fan fix plate W50 007 834 2 36 Connector cover W50 004 726 1 37 PTT screw 4x8 W00 000 009 20 38 Connector plate W50 004 727 1 39 Cord bush W00 000 225 6 40 Cord clamper W00 000 287 6 41 Motor W50 007 454 1 No Name of part Pa...

Page 61: ... 61 LGF 100GX E 51 52 53 64 54 55 65 56 57 58 59 60 61 62 9 53 9 56 56 56 57 56 56 52 52 52 1 1 1 1 1 10 PZ 100GFM E PZ 100GF E 63 ...

Page 62: ...20 240V 56 Special bush W50 001 228 6 57 Rod W50 007 707 2 179mm 58 Damper W50 007 720 1 With a fix piece 59 Rod W50 007 708 1 132mm 60 Crank W50 007 718 1 61 PPT screw 3x6 W00 000 026 1 62 Crank fix piece W50 007 717 1 63 Bush W00 000 290 1 64 Fix plate W50 007 716 1 65 Fix piece W50 007 693 1 No Name of part Parts No Q ty pcs unit Critical for safety Remarks 62 ...

Page 63: ... 63 LGF 100GX E 37 73 74 71 72 75 76 77 78 79 80 86 87 83 84 88 81 82 85 39 6 3 4 5 4 77 78 37 37 75 37 1 89 90 91 1 13 24 pcs 16 pcs shows accessory parts ...

Page 64: ...04 217 1 AC230V 80 PT screw 4x8 BS W00 000 011 1 81 PCB fix plate W50 003 706 1 82 Cord band W00 000 281 2 Black 83 PPT screw 3x8 W00 000 012 1 84 Circuit board W50 004 171 1 LG X03 G 85 Lead wire W50 004 231 1 100mm 86 PPT screw 4x12 W00 000 032 1 87 Terminal block W50 007 242 1 3P 88 TB fix plate W50 003 710 1 89 Control base W50 007 706 1 90 Lead wire W50 007 213 1 Motor EA 91 Lead wire W50 007...

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