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Mitsubishi Electric LGF-100GX-E Handbook
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Mitsubishi Electric LGF-100GX-E Handbook

Remote controller optional, pre-filter, high efficiency filter
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LOSSNAY
HANDBOOK
MODELS
LGF-100GX-E
Remote controller
PZ-60DR-E
Filter
PZ-100GF-E
PZ-100GFM-E
Warning:
Repair work must be performed by the manufacturer, its service
agent or a similarly qualified person in order to avoid hazards.
(Optional)
(Pre-filter)
(High efficiency filter)
April 2019
Nameplate
No. U174-C

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Summary of Contents for Mitsubishi Electric LGF-100GX-E

  • Page 1 April 2019 No. U174-C LOSSNAY HANDBOOK MODELS LGF-100GX-E Nameplate Remote controller (Optional) PZ-60DR-E Filter PZ-100GF-E (Pre-filter) PZ-100GFM-E (High efficiency filter) Warning: Repair work must be performed by the manufacturer, its service agent or a similarly qualified person in order to avoid hazards.

  • Page 2: Table Of Contents

    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: Safety Precautions

    1. Safety precautions Be sure to read the following precautions thoroughly before the maintenance, and then inspect and repair the product in a safe manner. The types and levels of danger that may arise if the product is handled incorrectly are described with the warning symbols shown below.

  • Page 4: Specifi Cations

    2. Specifi cations ─ 4 ─...

  • Page 5: Outside Dimensions

    3. Outside dimensions LGF-100GX-E Unit ( mm ) ─ 5 ─...
  • Page 6 PZ-60DR-E Unit ( mm ) PZ-100GF-E PZ-100GFM-E Unit ( mm ) Unit ( mm ) ─ 6 ─...

  • Page 7: Electrical Wiring Diagram

    4. Electrical wiring diagram LGF-100GX-E E s t a b l i s h   C o n n e c t i o n   t o   T M 1 , T M 2 , T M 3 , T M 4 , a n d   T B 5   s h o w n   i n   d o t t e d   l i n e s a t  ...

  • Page 8: Basic Circuit Diagram

    5. Basic circuit diagram Circuit board diagram and check points Common for SA * Fan drive output voltage: Each 220 to 240 V AC fan drive (TAB5) EA fan drive SA fan drive Transformer (CN9) (CN10) primary (input) Power supply Common for EA (CN1) 230 V AC...

  • Page 9: Fundamentals Of Operation

    6. Fundamentals of operation Description of the circuit operation ( 1 ) System Confi guration Lossnay operates through the following system. System Required System Diagram Features Parts Classification Details Basic 1 Lossnay • One remote controller oper- Lossnay Lossnay System unit ates one Lossnay unit.
  • Page 10 System Required System Diagram Features Parts Classification Details Systems Mitsubishi • Can be interlocked with a When using PZ-60DR-E inter- City Multi maximum of 16 air condition- Lossnay City Multi locked air condi- ing units. Indoor unit Transmission M-NET Remote with tioner •...
  • Page 11 Remote controller list Remote controllers Rough Classification Fine Classification Product Model PZ-60DR-E For Lossnay independent control Lossnay remote controller PZ-41SLB-E For Lossnay M-NET control Lossnay remote controller PZ-52SF-E MA remote controller PAR-20/21MAA MA remote control- Wireless remote controller PAR-FA ( FL ) 31MA M-NET For City Multi air con- Compact remote controller PAC-YT51CRA...
  • Page 12 ( 3 ) Fan control Fan speed control for each system The control indicated below can be performed according to the system that is paired. 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. Caution When using two remote controllers, be sure to use the same model of the remote controller.
  • Page 13 Fan speed control by function setting The following fan speed control can be set with PZ-60DR-E or the function selection switch ( SW2 ) on the Lossnay circuit board. Setting Method PZ-60DR-E PZ-60DR-E Not Used Function Details ( Remote controller ( Function selec- function selection ) tion switch )
  • Page 14 Setting Method PZ-60DR-E PZ-60DR-E Not Used Function Details ( Remote controller ( Function selec- function selection ) tion switch ) Fan motor When TM4 output settings, and TM3 output set- output setting delay stop tings are set to operation monitor with delay function 1 or 2, “Operation monitor with delay ( Operation the fan will stop after 3 minutes have elapsed from the OFF...
  • Page 15 Damper control for each system The control indicated below can be performed according to the system that is paired 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.
  • Page 16 Bypass ventilation prohibited When the conditions described below are applicable, the ventilation mode will be fi xed at Lossnay ventila- tion. When bypass ventilation has been set from the remote controller or the system controller, damper operation will be set to Lossnay ventilation, even though bypass ventilation is displayed on the ventilation mode display.
  • Page 17 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 not used, operation will be at the OFF setting of function selection switch ( SW2-7 ) on the Lossnay circuit board.
  • Page 18 Ventilation mode change recommendation ( RECOMMENDED, VENTILATION MODE ) display When PZ-60DR-E is used and the ventilation mode is set to Lossnay ventilation or bypass ventilation, “RECOMMENDED” and “VENTILATION MODE” may be displayed alternately ( for 10 minutes maximum ) . This function informs the user of the suitable ventilation mode according to the automatic ventilation algo- rithm.
  • Page 19 Interlock mode Lossnay can set the following four types of interlock modes for the start/stop signal from the external device. Setting Method PZ-52SF-E or remote Interlock Other than pulse signal PZ-60DR-E PZ-41SLB-E Pulse signal input controller not used mode input ( Remote controller ( Interlock ( Function selec-...
  • Page 20 ( 6 ) External input/output terminals on the Lossnay circuit board Located on the Lossnay circuit board are terminals for the external output of the Lossnay operating condition, and input terminals for external switching of the Lossnay fan speed and ventilation mode. Output terminals The function and contact rating of each output terminal are described below.
  • Page 21 [1] When operating on High ( Extra High ) fan speed via external input Usually, ventilation is performed at Low fan speed, and there is automatic switching to High ( Extra High ) fan speed when dirty indoor air is detected by a CO sensor, etc.
  • Page 22 b. Bypass ventilation switching input This is used to force a changeover of the ventilation mode to bypass ventilation by means of the input of an external switch etc. During the input of bypass ventilation switching, the ventilation mode display of the remote Operation controller and the system controller will change to bypass ventilation.
  • Page 23 ( 8 ) Trial operation function This function operates Lossnay without the need of a device ( such as a remote controller, or an external de- vice ) to control Lossnay. This function permits verifi cation of the connection condition of the AC line and wiring when Lossnay has been set up.
  • Page 24 Night Purge mode is active; no operation 1:00 A.M. The outdoor temperature (OA) setting can be selected either 17°C or Outdoor 28°C with the DIP switch (SW2-7) in the Lossnay control box. temperature 17°C/28°C Refer to the remote controller installation manual for more information. or more (within 24 hours) Temperature monitoring...
  • Page 25 ( 10 ) Setting of function selection switches ( SW1, 2, 5, and 6 ) The associated switches are as listed below. * This function can also be set from PZ-60DR-E. When the function has been switched from the remote con- troller later on, the system will operate according to the setting of the remote controller.
  • Page 26 Type Name Specification Exhaust fan stop at outdoor air ON : Both Air supply fan and Air exhaust fan stop OFF: Air exhaust fan operation ( Only Air supply fan stopped ) ( Factory temperature of -15 °C or lower * setting ) Not in use Fixed at OFF...
  • Page 27 Function selection mode The following functions can be changed with PZ-60DR-E function selection mode. Please change the set- tings as needed. Intermediate Dot matrix Selection Major items Function Notes items ( Names ) display display Change English display Dot matrix display characters English ( Factory setting ) Language...
  • Page 28 *1: To execute the operation lock, the execution operation ( of holding down the “Filter” button and the “ON/OFF” button simultaneously for 2 seconds ) is required at the normal screen. To cancel, the same operation is also required. *2: When using weekly timer and night purge operation, please set clock use to on. *3: When the simple timer is used, night purge operation will not be possible.
  • Page 29 Intermediate Dot matrix Selection Major items Function Notes items ( Names ) display display ON/OFF interlocked ( Factory setting ) Interlocking Interlock mode onoF item setting selection ON interlocked OFF interlocked External input signal priority Without pulse input ( Factory setting ) Pulse input set- ting With pulse input...
  • Page 30 Total operation hours, Maintenance items display Dot display ON/OFF button button CLEAR button MENU (MONITOR/SET) button Back button Intermediate Dot matrix Major items Function Notes items ( Names ) display Total opera- Total operation Displays the total Lossnay operation hours. ( The 10,000 and 100,000 hours digits are displayed in tion hours hours display...
  • Page 31 ( 12 ) Operation sequence fl owchart Power On The system with the The system without the Selection Lossnay remote controller switch input Lossnay remote controller Is there a Lossnay remote controller? Data input Data input Temperature data Temperature data (Outdoor air temperature/Indoor (Outdoor air temperature/Indoor temperature)

  • Page 32: Troubleshooting

    • The LED on the Lossnay circuit board is bles, wiring, and settings. blinking or lit up. Applicable models Check the checklist of error codes and Lossnay LED displays (Table 2-1 to 2-2). LGF-100GX-E Troubleshooting 3 The remote controller operation is Remote controller disabled or irregular. PZ-60DR-E PZ-41SLB-E...
  • Page 33 7-2 Checklists ( 1 ) Troubleshooting 1: The system will not start properly. Initialization checklist from installation to operation ( Table 1-1 ) After checking the system, verify the checkpoints listed below. Power supply ( Table 1-1-1 ) Checkpoint Action Is the main power supply on? Turn on the main power supply.
  • Page 34 Signal cables from external devices ( Table 1-1-3 ) Check the following checkpoints when connecting with level signal/pulse signal output devices, and Mr. Slim units. Checkpoint Action Do the transmission cables meet regulations? ( Type, diameter ) Use specifi ed cables. Is the signal cable wired at least 5 cm away from the power supply Wire the signal cable at least 5 cable?
  • Page 35 Signal cables to external devices ( Table 1-1-4 ) Check the following checkpoints when outputting the operation monitor, air supply fan operation monitor, mal- function monitor, bypass operation monitor, and operation monitor with delay function. Checkpoint Action Do the signal cables meet regulations? ( Type, diameter ) Use specifi...
  • Page 36 System checklist ( Table 1-2 ) When using PZ-60DR-E, PZ-41SLB-E, or interlocking with external devices ( Table 1-2-1 ) Error Cause Action • Remote controller Power is not supplied to the Lossnay, or power Check the power supply to the Lossnay.
  • Page 37 Error Cause Action The interlock mode is set to “ ON Interlocked ” Interlock operation Check the Interlock mode set- with external device or “ OFF Interlocked ” with the remote controller ting with the remote controller ( PZ-60DR-E ) . ( PZ-60DR-E ) .
  • Page 38 Error Cause Action Cannot perform group Power is not supplied to Lossnay, or power Check the power supply to Lossnay settings for the Lossnay that does not follow specifi cations is used. and perform the registration again. using MELANS, ME The M-NET transmission cable is connected Connect the transmission cable remote controller, or MA...
  • Page 39 Error Cause Action The remote controller The specifi ed power is not supplied to Lossnay. Check the power to Lossnay. PZ-52SF-E continues Group setting of the PZ-52SF-E address Check the address registration to blink “ HO ” when the has not been performed with MELANS. of PZ-52SF-E with MELANS ( “...
  • Page 40 ( 2 ) Troubleshooting 2 An error code displays on the remote controller. The LED on the Lossnay circuit board is blinking or lit up. An error code displayed on the remote controller ( PZ-60DR-E, PZ-41SLB-E, PZ-52SF-E ) or the M-NET control- ler, and blinking or illumination of LED1 ( green ) or LED2 ( red ) on the circuit board shows the type of an error.
  • Page 41 Error code LED1 LED2 Error Cause Action ( green ) ( red ) LC 3602 Damper re- Damper board operation is not Remove the rod, and check SLC 3602 blinks lated error correct. whether the dampers can be moved manually. Connectors for the damper unit Check the connection of the lead are not correctly connected.
  • Page 42 Checklist of error codes displayed on PZ-60DR-E ( when using M-NET ) , PZ-52SF-E or M-NET controllers, and LED displays (Table2-2 ) Error code LED1 LED2 Error Cause Action ( green ) ( red ) 6600 Multiple There is another unit with the same Check the addresses of devices in blinks address error...
  • Page 43 LED1 LED2 Error code Error Cause Action ( green ) ( red ) 6801 PZ-60DR-E When multiple Lossnay units are Turn off the main power supply and blinks communi- used, the Main/Sub setting has not set the Main/Sub selection switch cation error ( SW1 ) ( fi...
  • Page 44 ( 3 ) Troubleshooting 3: The remote controller operation is disabled or irregular. Checklist for PZ-60DR-E or PZ-41SLB-E ( Table 3-1 ) Error Cause Action Nothing displays on the Transmission cable is connected to the Check the transmission cable con- nection.
  • Page 45 Error Cause Action When PZ-60DR-E is used, “ RECOVERY When the main power Check the power supply ON/ supply is turned on, SETTING ” is set to “ on ” or “ AUTo ” with the OFF/AUTO setting with the the remote controller function selection of the remote controller.
  • Page 46 Error Cause Action Continues to display It is less than 10 minutes since the power After supplying power to the “ HO ” and does not start. system, “ HO ” blinks for a maxi- was supplied to the system. mum of about 10 minutes.
  • Page 47 ( 4 ) Troubleshooting 4: The Lossnay operation is disabled or irregular. Lossnay checklist ( Table 4 ) Error Cause Action The fan does not oper- Connectors for the fan or connectors for the Check the lead wire connectors ate. Lossnay circuit board section are not cor- and the Lossnay circuit board The fan does not operate...
  • Page 48 Error Cause Action When PZ-60DR-E is used, “ RECOVERY Lossnay operates when Check the power supply ON/ the main power is turned SETTING ” is set to “ on ” or “ AUTo ” with the OFF/AUTO setting with the function selection of the remote controller.
  • Page 49 Error Cause Action The damper board does The outdoor air temperature is 8 °C or lower. Check the outdoor air temperature. not operate. The bypass ventilation switching external Check the bypass ventilation input ( CN16 ) is set to ON. switching input ( CN16 ) .
  • Page 50 “ 24 HR VENTILATION ” is not This is not displayed because the model LGF-100GX-E does not displayed on the PZ-60DR-E have a 24 hour ventilation function. function selection.
  • Page 51 Error Cause Reference The settings will be disabled for switches ( SW2-6, SW5-1, SW5-4, When PZ-41SLB-E is used, Page SW5-5, SW5-7, and SW5-8 ) . the operation will not be in accordance with the set- ting of the function selection switch on the Lossnay circuit board.
  • Page 52 Temperatures and thermistor resistance table Temperature Resistance Temperature Resistance Temperature Resistance Temperature Resistance Temperature Resistance ( °C ) value ( kΩ ) ( °C ) value ( kΩ ) ( °C ) value ( kΩ ) ( °C ) value ( kΩ ) ( °C ) value ( kΩ...

  • Page 53: Overhaul Procedure

    8. Overhaul procedure Work precautions • When touching the electric components such as circuit boards and fan motors, do not touch the components for more than 5 minutes after power-off, and then start working. • Before replacing parts, repair troubled sections according to the instructions described in the troubleshooting. •...
  • Page 54 Disconnect the connectors (for the motors (SA and Connector for Connector for Control EA), the damper motor (GM), and the thermistor) from the motor (SA) the motor (EA) the circuit board. Unscrew the screws (two PTT screws 4 x 8, indicated Loosen the screws (two PTT screws 4 x 8, indicated ), and pull out the control box to remove it.
  • Page 55 ( 3 ) Damper motor ( GM ) parts Unscrew the fi xing screws (four PT screws 4 x 8, in- dicated by ), and remove the maintenance panel (large). Maintenance panel (large) Unscrew the fi xing screws (two PTT screws 4 x 8 (black), indicated by ), and remove the maintenance plate (small).

  • Page 56: Parts Catalog

    9. Parts catalog Please note the following when using the parts catalog. 1. When ordering parts, always indicate the part number, part name, and the number of parts required. 2. It may take time for you to receive the parts. Make an inquiry about a rush order. 3.

  • Page 57: Lgf-100Gx-E

    LGF-100GX-E shows accessory parts. ─ 57 ─ LGF-100GX-E...
  • Page 58 LGF-100GX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety PTT screw 4x6 W00 000 035 Flange W50 007 624 PT screw 4x8 W00 000 050 Bush W00 000 289 Cord bush W00 000 270 Cord clip W00 000 263...
  • Page 59 Air supply fan assembly Air exhaust fan assembly ─ 59 ─ LGF-100GX-E...
  • Page 60 LGF-100GX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 21 PT screw 6x20 W00 000 063 22 Special washer (6) W00 000 162 23 Spacer W50 001 095 24 Bush W00 000 274 25 PT screw 6x16 W00 000 062...
  • Page 61 PZ-100GFM-E PZ-100GF-E ─ 61 ─ LGF-100GX-E...
  • Page 62 LGF-100GX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Damper W50 007 719 52 Special bush W00 000 268 53 Maintenance plate S W50 007 831 54 Motor cover W50 007 715 55 GM assembly W50 009 260 AC220･240V...
  • Page 63 24 pcs. 16 pcs. shows accessory parts. ─ 63 ─ LGF-100GX-E...
  • Page 64 LGF-100GX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 71 Wiring diagram W50 007 368 72 Control cover W50 007 705 73 Cord band W00 000 231 White 74 Control frame W50 007 704 75 Capacitor W50 007 287 21μF･440VAC...

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