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Mitsubishi Electric LGH-160RVXT3-E Handbook
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Mitsubishi Electric LGH-160RVXT3-E Handbook

Mitsubishi Electric LGH-160RVXT3-E Handbook

Lossnay energy recovery ventilator
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LOSSNAY ENERGY RECOVERY VENTILATOR
HANDBOOK
MODELS
LGH-160RVXT3-E
LGH-200RVXT3-E
LGH-250RVXT3-E
Remote controller
PZ-62DR-EA
PZ-62DR-EB
PZ-43SMF-E
Filter
(Optional)
PZ-250TRF-E
PZ-250TMFR-E
PZ-250THFR-E
PZ-250TPF-E
Warning:
Repair work must be performed by the manufacturer, its service
agent or a similarly qualified person in order to avoid hazards.
(Optional)
July 2024
No. U324
Nameplate

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Summary of Contents for Mitsubishi Electric LGH-160RVXT3-E

  • Page 1 July 2024 No. U324 LOSSNAY ENERGY RECOVERY VENTILATOR HANDBOOK MODELS Nameplate LGH-160RVXT3-E LGH-200RVXT3-E LGH-250RVXT3-E Remote controller (Optional) PZ-62DR-EA PZ-62DR-EB PZ-43SMF-E Filter (Optional) PZ-250TRF-E PZ-250TMFR-E PZ-250THFR-E PZ-250TPF-E Warning: Repair work must be performed by the manufacturer, its service agent or a similarly qualified person in order to avoid hazards.
  • Page 2 12-41 7-1 Service flowchart ..................12 12-13 7-2 Check details ..................13 13-41 8. Overhauling procedures ..............42 42-55 9. Parts catalog ................. 56 56-80 LGH-160RVXT3-E ..................57 57-64 LGH-200RVXT3-E ..................65 65-72 LGH-250RVXT3-E ..................73 73-80 ─ 2 ─...
  • Page 3 1. Safety precautions 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 improperly are described with the warning symbols shown below.
  • Page 4 The 150 type is changed to the 160 type. (Air volume specification is changed from 1500 m /h to 1600 m /h.) 3. Specifications Model name LGH-160RVXT3-E, LGH-200RVXT3-E, LGH-250RVXT3-E Heat exchange system Energy recovery ventilating system Heat exchanger material Special treated paper plate heat exchanger Cladding...
  • Page 5 (dB) (kg) L1-N L2-N L3-N Σ (L/s) (Pa) LGH-160RVXT3-E 1600 LGH-200RVXT3-E 522 1044 2000 LGH-250RVXT3-E 724 1448 2500 * The above values apply during energy recovery ventilation when the fan speed is set to Fan speed 4 at the rating pressure loss and 400 V / 50 Hz.
  • Page 6 4. Outside dimensions LGH-160RVXT3-E, LGH-200RVXT3-E, LGH-250RVXT3-E Ceiling suspension fixture (6-15 X 30 oval) Lossnay cores Flange Flange ) air filters ) air filters Lossnay core, Filter maintenance cover Outlet shutter Fan 4 Fan 3 Fan 1 Fan 2 Outlet shutter...
  • Page 7 Unit: (mm) Unit: (mm) PZ-250TRF-E The number of filters Applicable per set Lossnay model LGH-160RVXT3-E LGH-200RVXT3-E * The filters are comprised of one set of the same filters LGH-250RVXT3-E as those built in the product. Unit: (mm) PZ-250TMFR-E The number of filters...
  • Page 8 PZ-250THFR-E, PZ-250TPF-E Flow Filter 1 (jointed) (black) (white) 1327 Flow Filter 2 (single) (black) (white) The number of filters Applicable Lossnay per set model Filter 1 Filter 2 LGH-160RVXT3-E (jointed) (single) LGH-200RVXT3-E LGH-250RVXT3-E Unit: (mm) ─ 8 ─...
  • Page 9 5. Electrical wiring diagram LGH-160RVXT3-E, LGH-200RVXT3-E, LGH-250RVXT3-E * Wiring for TM1, TM2, TM3, TM4, and TB5 shown in dotted lines are field work. * Be sure to connect the earth wire. * An all pole electric leakage isolator must be installed.
  • Page 10 6. Circuit board diagrams Circuit board diagrams and check points (1) Control circuit board Caution: Before servicing (including replacing the circuit boards), be sure to turn off the power supply isolator and check that all the LEDs on the control circuit board and power circuit board are not lit. A large- capacity electrolytic capacitor on the circuit board may carry voltage for several minutes after the iso- lator is turned off.
  • Page 11 (2) Power circuit board The Lossnay units (LGH-160RVXT3-E, LGH-200RVXT3-E, and LGH-250RVXT3-E) are equipped with two types of the power circuit board (LG-X08DC-P7 and LG-X08DC-P8). Caution: The power circuit consists of live parts. The power circuit board is not insulated from the power line, except for the connection part with the control circuit board.
  • Page 12 • When carrying out wiring, power supply to M-NET must be turned off, otherwise it will cause a malfunction. 7-1 Service flowchart After checking the check items below, follow the troubleshooting for servicing. Applicable Device Applicable Model Lossnay Energy Recovery Ventilator LGH-160RVXT3-E, LGH-200RVXT3-E, LGH-250RVXT3-E Lossnay Remote Controller PZ-62DR-EA, PZ-62DR-EB, PZ-43SMF-E Preliminary check item Details 1 Product information •...
  • Page 13 Lossnay does not start properly. (1) Failure mode 1: Lossnay does not work. Lossnay does not work in trial operation, or Lossnay stops working during use. (2) Failure mode 2: The remote controller does not The remote controller does not work. work.
  • Page 14 [2] Transmission cables (remote controller transmission cable, M-NET transmission cable, external input/output signal cable, and connection cable for IT communication appliances) Check Item Corrective action 1 Are the designated cables used for the remote control- Use the designated transmission cables. ler transmission cable and M-NET transmission cable? (See Table 2-1 and Table 2-2.) 2 Are the designated cables used for the external input/...
  • Page 15 Table 2-3 External input/output specifications Terminal or Signal Total Function Name connector on Materials Used specifications extension the circuit board External control input Level/pulse Twisted lead 0.5 mm (AWG TM2 [Y] [Z] 500 m (volt-free contact) (Note 4) (Note 1) 20) to 1.5 mm (AWG 15) External control input...
  • Page 16 [3] Monitor output signal cable Check Item Corrective action 1 Is the signal cable wired by multicore cable? Wire the cable using a 2-core cable. 2 Are the signal cables and transmission cables wired Wire the signal cables away from the transmission in the same piping duct? cables.
  • Page 17 [5] LED Indications on the circuit boards Contents Check Item Corrective action LED1 Lossnay unit error Blinking: Starting up, error occurred In the case of an error, see Failure (green) indicator Mode 4. Lit: During delay operation Lossnay operates after the delay time has passed.
  • Page 18 Individual function check items [6] If Lossnay does not work in the trial operation, or if Lossnay stops working during use, check the following items. Problem Factor Corrective action 1 The fan does not The connectors between the Check the connector (CN9) for the fan motor 2 or 4 operate even though fan motor and circuit board are and the connector (CN10) for the fan motor 1 or 3 .
  • Page 19 Problem Factor Corrective action 2 Though the remote Wiring for the three-phase Check the power wires for the three-phase power controller display power supply is incorrect, or supply. indicates the fan the power wires are discon- is running, the fan nected.
  • Page 20 Problem Factor Corrective action 4 [When wall-mounted Ventilation air volume by the In this case, CO concentration displayed value type CO sensor Lossnay unit is large enough may be always low or high. PZ-70CSW-E is or too small against the used] change in the number of per- concentra-...
  • Page 21 Problem Factor Corrective action 8 Air volume is abnor- The model selection switch Make the SW6 setting appropriate for the model. mally large or small. (SW6) is not set correctly after ( See Chapter 8. (14) Setting status record (page the circuit board is replaced.
  • Page 22 Problem Factor Corrective action 11 Air volume is too Is the air filter clogged? Clean the air filter. small. Pressure loss in the duct is too Set the supply/exhaust fan power up setting. high. (See the Lossnay Operating/Installation Instructions or PZ-62DR series Instruction Book.) The model selection switch Make the SW6 setting appropriate for the model.
  • Page 23 Problem Factor Corrective action 15 Even though the Conditions of the Night-purge When the Night-purge conditions such as the Night-purge is set, are not satisfied. indoor/outdoor temperature are not satisfied, Lossnay does not Lossnay does not perform the Night-purge perform the Night- operation.
  • Page 24 (2) Failure mode 2: The remote controller does not work. If the remote controller does not work, check the following items. [1] PZ-62DR series Problem Factor Corrective action 1 Nothing is displayed The power of the Lossnay unit is Check the items described in (1) [1]. on the remote not ON.
  • Page 25 [2] PZ-43SMF-E Problem Factor Corrective action 1 The power indicator The power of the Lossnay unit is not Check the items described in (1) [1]. “ ” is not displayed. Faulty connection of the remote con- Check the items described in (1) [2]. troller transmission cable In one group, three or more Only up to two PZ-43SMF-E controllers can...
  • Page 26 (3) Failure mode 3: Operations on the remote controller are not possible. Initial Check Items If the system cannot be operated with the remote controller, check the following items. Check item Notes 1 Are the function selection switches Depending on the settings of the function selection switches, (SW2, SW5) and model selection Lossnay may automatically operate or stop, or specific operation switch (SW6) on the Lossnay cir-...
  • Page 27 Individual check items If the system cannot be started/stopped using the remote controller, check the following items. [1] PZ-62DR series Problem Factor Corrective action 1 Some Lossnay units in The power of the Lossnay unit Check the items described in (1) [1]. the group do not operate.
  • Page 28 Problem Factor Corrective action 6 Even though the function The indoor, outdoor, and/or • Outdoor temperature display range: 2°C to settings (No. 36, 37 and/ supply air temperature are out- 36°C or 39) of the PZ-62DR side the display range. •...
  • Page 29 [2] Interlocking with air conditioners (Mr. Slim indoor unit or City Multi indoor unit) or external devices Problem Factor Corrective action 1 Lossnay interlock The power of the Lossnay unit is not Check the items described in (1) [1]. settings cannot be performed Faulty connection of the remote con- Check the items described in (1) [2].
  • Page 30 [3] System controller Problem Factor Corrective action 1 The group of The power of the Lossnay unit is Check the items described in (1) [1]. Lossnay cannot be not ON. set with the system M-NET transmission cable is Connect the M-NET transmission cable to the controller.
  • Page 31 [4] When the Wi-Fi interface is connected to the Lossnay unit Problem Factor Corrective action 1 The Lossnay unit The connection cable for the Wire the connection cable for the Wi-Fi interface does not operate Wi-Fi interface is too close to the at least 5 cm away from the power supply cable with the MELCloud power supply cable or the other...
  • Page 32 (4) Failure mode 4: Error code and LED display An error code displayed on the remote controller (PZ-62DR series, PZ-43SMF-E) or the M-NET controller, and blinking or illumination of LED1 (green) or LED2 (red) on the circuit board show the type of an error. The LED blink interval is 0.25 seconds for both on and off.
  • Page 33 Error LED1 LED2 Symptom Cause Corrective action Code (green) (red) 3126 External device The output capacity of the pre- Adjust the output capacity of the blinks error heater is too small with respect to pre-heater. When the pre-heater is the air volume of the Lossnay unit. used, run the Lossnay at a lower fan speed.
  • Page 34 Error LED1 LED2 Symptom Cause Corrective action Code (green) (red) 4116 Abnormal rota- Faulty connection of the exhaust Check the connector (CN9) con- blinks tion of the fan fan motor connector (CN9) on the nection on the power circuit board. motor 2 power circuit board (Lower side: LG-X08DC-P8)
  • Page 35 Error LED1 LED2 Symptom Cause Corrective action Code (green) (red) 4116 Abnormal rota- Faulty connection of the supply Check the connector (CN10) con- blinks tion of the fan fan motor connector (CN10) on the nection on the power circuit board. motor 3 power circuit board (Upper side: LG-X08DC-P7)
  • Page 36 Error LED1 LED2 Symptom Cause Corrective action Code (green) (red) 4116 Abnormal rota- Faulty connection of the exhaust Check the connector (CN9) con- blinks tion of the fan fan motor connector (CN9) on the nection on the power circuit board. motor 4 power circuit board (Upper side: LG-X08DC-P7)
  • Page 37 Error LED1 LED2 Symptom Cause Corrective action Code (green) (red) 5102 Return air (RA) Faulty connection of the thermis- Check the connector connection. blinks thermistor tor connector on the control circuit • If the function selection switch related error board (SW2-10) is ON, check the con- nector (CN5).
  • Page 38 Error LED1 LED2 Symptom Cause Corrective action Code (green) (red) 6602 Transmission Faulty connection of the M-NET Check the items described in (1) blinks error transmission cable [2]. (transmission Wiring was performed with power Restart the system after completing • processor still supplied to the M-NET trans- wiring.
  • Page 39 Error LED1 LED2 Symptom Cause Corrective action Code (green) (red) 6606 Transmission/ Faulty connection of the M-NET Check the items described in (1) blinks reception error transmission cable [2]. (communica- Wiring was performed with power Restart the system after completing •...
  • Page 40 Error LED1 LED2 Symptom Cause Corrective action Code (green) (red) 6831 PZ-62DR series Faulty connection of the PZ-62DR Check the items described in (1) [2]. blinks communica- series transmission cable If the error re-occurs, check for tion error (no noise on the transmission cable. reception) If the above does not correct the problem, replace the Lossnay con-...
  • Page 41 (5) 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) 64.2 to ∞ 19.4 18.5 37.2 17.7 35.3 16.9 33.5 16.1 31.8...
  • Page 42 8. Overhauling procedures 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. If LED4 or LED6 on the circuit board is lit, do not touch the electric components.
  • Page 43 (1) Turning power off [1] Shut down the unit. [2] Turn off the power supply isolator. Precaution When servicing, power supply to M-NET must be turned off. Live-line working may cause a circuit board failure. ( 2 ) Fan parts [1] Remove the screws (two PTT screws 4×8, indicated Motor maintenance cover [2] Loosen the screws (four PTT screws 4×8, indicated...
  • Page 44 [7] Disconnect the connectors. Precaution When disconnecting the motor connectors, make sure that the power supply is turned off. Even when the fan motor is stopped, discon- necting the live-line connectors will cause a motor malfunction. Connector [8] Remove the screws (eight PTT screws 5×10, indi- DC Motor Motor leg cated by...
  • Page 45 [3] Remove the screws (two PTT screws 4×12, indicated ), and remove the terminal block with the lead wires. Terminal block Assembly precaution Number indications are attached on the lead wires. When replacing the terminal block parts, reconnect the lead wires according to the numbers shown in the right picture.
  • Page 46 Assembly precaution Reactor (White) Reactor (Orange) Number indications are attached on the lead wires. When replacing the reactors, install them to the cor- rect positions, and reconnect the lead wires accord- ing to the numbers shown in the right picture. (5) Control circuit board Precaution Before replacing the circuit boards, see (12) Procedures for replacing the circuit boards (page 51).
  • Page 47 [3] Remove the screws (one PT screw 4×8 BS for each, Power circuit board (LG-X08DC-P7: Upper side) indicated by [4] Remove the screws (two PT screws 4×8 for each, indicated by ), and remove each power circuit board. Assembly precaution Be aware of the difference between the power cir- cuit boards.
  • Page 48 [4] Hold the handle, and draw the Lossnay cores out from the main unit. [5] Use the maintenance rod to remove the second and third Lossnay cores. Handle Maintenance rod (8) Filter curtains [1] Remove the maintenance cover. → See (7) [1]. [2] Remove the filters and Lossnay cores from the main unit.
  • Page 49 (9) Lossnay core holders [1] Remove the maintenance cover. → See (7) [1]. [2] Remove the filters and Lossnay cores from the main unit. → See (7) [2] to [5]. [3] Remove the screws (special screws 4×8*, indicated by ) to remove the Lossnay core holders. *Three screws for each front (shorter) holder *Five screws for each back (longer) holder Assembly precaution...
  • Page 50 [5] Open the cord clips (indicated by ), and remove the thermistor leads. Assembly precaution When wiring the thermistor leads, run the thermistor 1 lead through the bush. Bush Thermistor 1 Thermistor 2 Thermistor leads (11) Shutters [1] Disconnect the SA (EA) duct from the Lossnay unit. [2] Remove the screws (three PTT screws 4×8 for each, indicated by ), and remove the shutter.
  • Page 51 (12) Procedures for replacing the circuit boards Notes • Before removing the circuit boards for replacement, check the following Steps 1 and 2. • When the Lossnay remote controller PZ-62DR series is connected, be sure to replace the circuit boards as described in the Steps.
  • Page 52 Step Details Check item Removing the circuit boards • For the working precautions, see page 42. • For removing the circuit boards, see (5) Control circuit board (page 46) and (6) Power circuit boards (page 46). Attaching the circuit boards [1] According to the function status record data prepared in Step 3, set the address Address setting...
  • Page 53 Step Details Check item Function setting with the PZ-62DR series When the PZ-62DR series is connected, according to the function status record data Address prepared in Step 2, set the function settings with the PZ-62DR series. setting If the PZ-62DR series is not connected, skip this step and proceed to Step 7. Function To perform function settings with the PZ-62DR series, see the Lossnay Operating/ setting...
  • Page 54 □ : Factory setting Model selection switch Note: SW6 setting differs according to the model. □ □ Model SW6-1 SW6-2 SW6-3 SW6-4 SW6-5 SW6-6 □ □ LGH-160RVXT3-E OFF □ □ LGH-200RVXT3-E □ □ LGH-250RVXT3-E OFF □ □ : Factory setting □...
  • Page 55 [3] Function settings Enter the setting data of the functions set with the PZ-62DR series. Function No. Setting Data Function No. Setting Data Function No. Setting Data Function No. Setting Data (10) (10) (15) (10) (10) (15) ( ) : Factory setting [4] External input/output Enter the usage of the external input/output on the control circuit board.
  • Page 56 9. Parts catalog Please note the following when using the parts catalog. 1. When ordering parts, the part number, part name, and the number of parts are required. 2. It may take time for you to receive the parts. Make an inquiry about a rush order. 3.
  • Page 57 LGH-160RVXT3-E Structural parts 6 pcs. 2 pcs. 2 pcs. 2 pcs. 6 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 6 pcs. 2 pcs. 2 pcs. 6 pcs. 2 pcs. 6 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs.
  • Page 58 Structural parts LGH-160RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Special screw 4x12 W00 000 249 Maintenance cover W50 025 833 Flange SA/EA W50 025 709 Shutter W50 025 834 Fix piece W50 013 722 Lock piece...
  • Page 59 Fan parts FAN3 FAN1 FAN4 2 pcs. 2 pcs. 8 pcs. 4 pcs. FAN2 <Standard screws> Symbol Screw name PTT screw 4x8 PTT screw 5x10 ─ 59 ─ LGH-160RVXT3-E...
  • Page 60 Fan parts LGH-160RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Filter curtain W50 025 715 Special nut (M10) W00 000 195 Left-handed Spring washer (10) W00 000 301 Tab washer W50 013 712 Centrifugal fan W50 025 480 Dia.
  • Page 61 Control parts 5 pcs. 4 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. <Standard screws> Symbol Screw name PTT screw 4x12 PPT screw 3x8 PT screw 4x8 ─ 61 ─ LGH-160RVXT3-E...
  • Page 62 Control parts LGH-160RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Cord band W00 000 258 Bush W00 000 289 Fix plate W50 025 704 Earth fix plate W82 001 706 PT screw 4x8 BS W00 000 011...
  • Page 63 REACTOR 1 (ORANGE) REACTOR 3 (WHITE) CN121 L1 L2 L3 N CN10 Isolator (Field supply) LED6 POWER SUPLY 380-415 V 3 N 50 Hz Power circuit board 380 V 3 N 60 Hz (Lower side: LG-X08DC-P8) ─ 63 ─ LGH-160RVXT3-E...
  • Page 64 Wiring parts LGH-160RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Thermistor W50 025 217  Lead wire W50 025 213 CN14-114, CN19-119  Lead wire W50 025 216  Short Lead wire W50 025 214 CN21-121 ...
  • Page 65 LGH-200RVXT3-E Structural parts 6 pcs. 2 pcs. 2 pcs. 2 pcs. 6 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 6 pcs. 2 pcs. 2 pcs. 6 pcs. 2 pcs. 6 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 6 pcs.
  • Page 66 Structural parts LGH-200RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Special screw 4x12 W00 000 249 Maintenance cover W50 025 833 Flange SA/EA W50 025 709 Shutter W50 025 834 Fix piece W50 013 722 Lock piece W50 025 713 Flange OA/RA W50 025 708...
  • Page 67 Fan parts FAN3 FAN1 FAN4 2 pcs. 2 pcs. 8 pcs. 4 pcs. FAN2 <Standard screws> Symbol Screw name PTT screw 4x8 PTT screw 5x10 ─ 67 ─ LGH-200RVXT3-E...
  • Page 68 Fan parts LGH-200RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Filter curtain W50 025 715 Special nut (M10) W00 000 195 Left-handed Spring washer (10) W00 000 301 Tab washer W50 013 712 Centrifugal fan W50 025 480 Dia.
  • Page 69 Control parts 5 pcs. 4 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. <Standard screws> Symbol Screw name PTT screw 4x12 PPT screw 3x8 PT screw 4x8 ─ 69 ─ LGH-200RVXT3-E...
  • Page 70 Control parts LGH-200RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Cord band W00 000 258 Bush W00 000 289 Fix plate W50 025 704 Earth fix plate W82 001 706 PT screw 4x8 BS W00 000 011 Terminal block W50 025 215 With the lead...
  • Page 71 Wiring parts Lossnay unit Control circuit board Power circuit board (LG-X08DC-C2) (Upper side: LG-X08DC-P7) SW5 SW6 LED6 CN17 CN32 CN23 CN10 CN50 SW11 LED5 LED4 LED2 CN114 LED1 CN105 CN26 SW12 LED3 CN35 CN34 CN119 CN14 TAB1 TAB2 CN21 CN19 9 10 Volt-free contact 12 V or 24 V DC...
  • Page 72 Wiring parts LGH-200RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Thermistor W50 025 217  Lead wire W50 025 213 CN14-114, CN19-119  Lead wire W50 025 216  Short Lead wire W50 025 214 CN21-121  Lead wire W50 004 231 100mm...
  • Page 73 LGH-250RVXT3-E Structural parts 6 pcs. 2 pcs. 2 pcs. 2 pcs. 6 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 6 pcs. 2 pcs. 2 pcs. 6 pcs. 2 pcs. 6 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 6 pcs.
  • Page 74 Structural parts LGH-250RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Special screw 4x12 W00 000 249 Maintenance cover W50 025 833 Flange SA/EA W50 025 709 Shutter W50 025 834 Fix piece W50 013 722 Lock piece W50 025 713 Flange OA/RA W50 025 708...
  • Page 75 Fan parts FAN3 FAN1 FAN4 2 pcs. 2 pcs. 8 pcs. 4 pcs. FAN2 <Standard screws> Symbol Screw name PTT screw 4x8 PTT screw 5x10 ─ 75 ─ LGH-250RVXT3-E...
  • Page 76 Fan parts LGH-250RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Filter curtain W50 025 715 Special nut (M10) W00 000 195 Left-handed Spring washer (10) W00 000 301 Tab washer W50 013 712 Centrifugal fan W50 025 480 Dia.
  • Page 77 Control parts 5 pcs. 4 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. <Standard screws> Symbol Screw name PTT screw 4x12 PPT screw 3x8 PT screw 4x8 ─ 77 ─ LGH-250RVXT3-E...
  • Page 78 Control parts LGH-250RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Cord band W00 000 258 Bush W00 000 289 Fix plate W50 025 704 Earth fix plate W82 001 706 PT screw 4x8 BS W00 000 011 Terminal block W50 025 215 With the lead...
  • Page 79 Wiring parts Lossnay unit Control circuit board Power circuit board (LG-X08DC-C2) (Upper side: LG-X08DC-P7) SW5 SW6 LED6 CN17 CN32 CN23 CN10 CN50 SW11 LED5 LED4 LED2 CN114 LED1 CN105 CN26 SW12 LED3 CN35 CN34 CN119 CN14 TAB1 TAB2 CN21 CN19 9 10 Volt-free contact 12 V or 24 V DC...
  • Page 80 Wiring parts LGH-250RVXT3-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Thermistor W50 025 217  Lead wire W50 025 213 CN14-114, CN19-119  Lead wire W50 025 216  Short Lead wire W50 025 214 CN21-121  Lead wire W50 004 231 100mm...

This manual is also suitable for:

Lgh-200rvxt3-eLgh-250rvxt3-e