Mitsubishi Electric LGH-F300RVX-E Handbook
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Mitsubishi Electric LGH-F300RVX-E Handbook

Lossnay energy recovery ventilator
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LOSSNAY ENERGY RECOVERY VENTILATOR
HANDBOOK
MODELS
Filter
(For replacement)
PZ-50RF
-E
8
PZ-80RF
-E
8
PZ-100RF
8
Repair work must be performed by the manufacturer, its service
agent or a similarly qualified person in order to avoid hazards.
(Optional)
-E
December 2019
Nameplate
Nameplate
No. U285

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Summary of Contents for Mitsubishi Electric LGH-F300RVX-E

  • Page 1 December 2019 No. U285 LOSSNAY ENERGY RECOVERY VENTILATOR HANDBOOK MODELS Nameplate LGH-F300RVX-E LGH-F470RVX-E LGH-F600RVX-E LGH-F1200RVX-E Nameplate Remote controller (Optional) PZ-61DR-E PZ-43SMF-E Filter (For replacement) PZ-50RF PZ-80RF PZ-100RF Warning: Repair work must be performed by the manufacturer, its service agent or a similarly qualified person in order to avoid hazards.
  • Page 2 7-1 Service flowchart ..................12 12-13 7-2 Check details ..................13 13-36 8. Overhauling procedures ..............37 37-49 9. Parts catalog ................. 50 50-82 LGH-F300RVX-E ..................51 51-58 LGH-F470RVX-E ..................59 59-66 LGH-F600RVX-E ..................67 67-74 LGH-F1200RVX-E ..................75 75-82...
  • 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 * Temperature Exchange efficiency (%) are average of summer and winter condition. * Mitsubishi Electric measures products according to Japan Industrial Standard (JIS B 8628:2003), therefore characteristic values are measured by chamber method.
  • Page 5 9/16 lb. (0.25 kg) 7/32 lb. (0.10 kg) Color Munsell 1.0Y9.2/0.2 4. Outside dimensions LGH-F300RVX-E, LGH-F470RVX-E, LGH-F600RVX-E Position where duct direction change is possible By-pass damper plate Ceiling suspension fixture Air exhaust fan (4-9/16 X 13/16 (4-15 X 20) oval)
  • Page 6 LGH-F1200RVX-E By-pass damper plate 1 37/64 1 37/64 (40) (40) Ceiling suspension fixture 39 3/4 (1010) Air exhaust fan (4-9/16 X 1 3/16 (4-15 X 30) oval) (return air) (exhaust air outlet) (outside air intake) (supply air) 15 29/32 Core, air filter, Inspection (404) Air supply fan...
  • Page 7 PZ-50RF -E, PZ-80RF -E, PZ-100RF The number of Dimension filters per set Model Applicable model Supply Exhaust 18 1/2 7 13/64 19/32 PZ-50RF LGH-F300RVX-E (470) (183) (15) 21 19/64 9 9/16 19/32 PZ-80RF LGH-F470RVX-E (451) (243) (15) LGH-F600RVX-E 22 1/4...
  • Page 8 5. Electrical wiring diagrams LGH-F300RVX-E, LGH-F470RVX-E, LGH-F600RVX-E (*1) MAX 240 V AC 1 A MIN 208 V AC 100 mA Bypass monitor or 24 V DC 1 A 5 V DC 100 mA Pre-heater signal output (*1) Malfunction monitor output (*1)
  • Page 9 LGH-F1200RVX-E Bypass monitor or (*1) MAX 240 VA C 1 A MIN 208 V AC 100 mA Pre-heater signal 24 V DC 1 A 5 V DC 100 mA output (*1) REACTOR Malfunction monitor output (*1) CN20 (GR) Operation monitor output (*1) CN26 (WH) TAB3, 4 CN32 (WH)
  • Page 10 6. Circuit board diagrams Circuit board diagrams and check points ( 1 ) Control circuit board Malfunction monitor output Bypass monitor output Remote controller (Between [8] and [10] ) Pre-heater output power supply indicator (Between [7] and [10] ) (LED3 Green) Error: 0 Ω...
  • Page 11 (2) Power circuit board Caution: The power circuit board is not insulated from the power line (high voltage part), except for the connection part (CN118, CN119, and CN121) with the control circuit board. Also, even when the power supply is cut off, the capacitor is charged.
  • 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-F300RVX-E, LGH-F470RVX-E, LGH-F600RVX-E, LGH-F1200RVX-E Lossnay Remote Controller PZ-61DR-E, PZ-43SMF-E Preliminary check item Details Product information •...
  • Page 13 Lossnay does not work after installation is (1) Failure mode 1: Lossnay does not work. completed. Lossnay does not work in trial operation after installation is completed, or Lossnay stops working during use. The remote controller does not work after (2) Failure mode 2: The remote controller does not installation is completed.
  • Page 14 [2] Transmission cables (Remote controller transmission cable, M-NET transmission cable, external input/output signal cable) Check Item Corrective action 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.) Are the designated cables used for the external input/ Use the designated cables.
  • Page 15 Table 2-3 External input/output specifications Terminal or connector Signal Total Function name Materials used on the circuit specifications extension board Single-lead 1/32 in. (0.8 mm) to External control input Level/pulse 3/64 in. (1.2 mm) dia. or twisted 547 yd. TM2 [1] [3] (volt-free contact) (Note 1) lead AWG 20 (0.5 mm...
  • Page 16 [3] Monitor output signal cable Check Item Corrective action Is the signal cable wired by multicore cable? Wire the cable using a 2-core cable. Are the signal cables and transmission cables Wire the signal cables away from the transmission wired in the same piping duct? cables.
  • Page 17 [5] LED Indications on the circuit board Contents Check Item Corrective action LED1 Lossnay main Blinking: Starting up, error occurred See Failure Mode 4. (Green) unit error indi- Lit: During delay operation Lossnay operates after the delay time cator has passed. Unlit: Other than above It is normal.
  • Page 18 Problem Factor Corrective action 2 Though the remote The Lossnay unit is operat- When PZ-61DR-E is used, it displays the icon " " controller display ing in the protective mode that indicates the protective operation is in-progress. indicates the fan (intermittent operation).
  • Page 19 Problem Factor Corrective action 7 The damper does The connector between the Check the connection of the connector (CN7) on the not operate even damper motor and circuit power circuit board. though the trial board is disconnected. operation switch Mechanical failure Remove the rod of the damper board and check if the (SW2-1) on the cir- damper board can be moved by hand.
  • Page 20 Problem Factor Corrective action 10 The ventilation Temperature condition for Check the temperature map. mode cannot be Energy recovery mode or For details, see the Lossnay technical manual. switched when Bypass mode is not satisfied. Lossnay is operat- It has not passed 30 minutes Switching of the ventilation mode is controlled in 30 ing in the automatic since the ventilation mode is...
  • Page 21 Problem Factor Corrective action 12 Actual fan speed The signal is input to the fan Check the fan speed input (CN17). of the Lossnay unit speed input (CN17). (See the Lossnay technical manual.) differs from the fan The signal is input to the fan Check the fan speed switching input (CN26 [4] [5]).
  • Page 22 (2) Failure mode 2: The remote controller does not work. If the remote controller does not work after installation is completed, check the following items. [1] PZ-61DR-E Problem Factor Corrective action 1 Nothing is displayed The power of the Lossnay unit is Check the items described in (1) [1].
  • Page 23 Problem Factor Corrective action 3 It takes time for the The Lossnay unit is starting up. The remote controller is not fed with power remote controller to during start-up of the Lossnay unit for a maxi- be fed with power mum of one minute.
  • Page 24 Individual check items If the system cannot be started/stopped using the remote controller after installation is completed, check the following items. [1] PZ-61DR-E or PZ-43SMF-E Problem Factor Corrective action 1 Some Lossnay units in the The power of the Lossnay unit is Check the items described in (1) [1].
  • Page 25 [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 Check the items described in (1) [1]. settings cannot be not ON.
  • Page 26 [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 27 (4) Failure mode 4: Error code and LED display An error code displayed on the remote controller (PZ-61DR-E, 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 28 Error LED1 LED2 Symptom Cause Corrective action code (Green) (Red) 4101 Overcurrent Shorting between remote controller Check the remote controller wiring. blinks error of the terminals remote con- In one group, two or more Lossnay Only one Lossnay unit can be set troller termi- units are set as the main Lossnay as the main Lossnay in one group.
  • Page 29 Error LED1 LED2 Symptom Cause Corrective action code (Green) (Red) 4116 Abnormal Faulty connection of the exhaust fan Check the connector (CN9) connec- blinks rotation of the motor connector (CN9) on the power tion. exhaust fan circuit board motor Faulty connection of the connectors Check the connector connections (in the lower (CN18 - CN118 and CN19 - CN119)
  • Page 30 Error LED1 LED2 Symptom Cause Corrective action code (Green) (Red) 4116 ( Only for LGH- Faulty connection of the supply fan Check the connector (CN10) con- blinks F1200RVX-E) motor connector (CN10) on the pow- nection on the power circuit board Abnormal er circuit board (upper) (upper).
  • Page 31 Error LED1 LED2 Symptom Cause Corrective action code (Green) (Red) 4116 ( Only for LGH- Faulty connection of the exhaust fan Check the connector (CN9) con- blinks F1200RVX-E) motor connector (CN9) on the power nection on the power circuit board Abnormal circuit board (upper) (upper).
  • Page 32 Error LED1 LED2 Symptom Cause Corrective action code (Green) (Red) 5102 Indoor air Faulty connection of the thermistor Check the connector (CN5) connec- blinks (RA) therm- connector (CN5) on the control circuit tion. istor related board error Thermistor failure Disconnect the connector (CN5), and check the resistance of the thermistor.
  • Page 33 Error LED1 LED2 Symptom Cause Corrective action code (Green) (Red) 6603 Transmission Faulty connection of the M-NET Check the items described in (1) [2]. blinks error transmission cable (transmission Wiring was performed with power Restart the system after completing • bus busy) still supplied to the M-NET transmis- wiring.
  • Page 34 Error LED1 LED2 Symptom Cause Corrective action code (Green) (Red) 6801 PZ-43SMF-E Multiple PZ-43SMF-E transmission Using the applicable cable, wire the blinks communica- cables are wired using multicore transmission cable away from one tion error cables. another. The power supply cable is too close Wire the power supply cable at to the PZ-43SMF-E transmission least 2 inch (5 cm) away from the...
  • Page 35 Error LED1 LED2 Symptom Cause Corrective action code (Green) (Red) 6833 PZ-61DR-E Faulty connection of the PZ-61DR-E Check the items described in (1) [2]. blinks communi- transmission cable If the error re-occurs, check for cation error noise on the transmission cable. (hardware If the above does not correct the error)
  • Page 36 [1] If it is hard to rotate the motor shaft by hand [2] If the resistance between the motor leads is significantly different from the values specified in the table below *Before measuring the resistance, the motor connectors must be disconnected from the circuit board. <LGH-F300RVX-E> Lead color Black-Red...
  • Page 37 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 on the circuit board is lit, do not touch the electric components.
  • Page 38 (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 Control box cover [1] Unscrew the black screws (three special screws 4×8, indicated by...
  • Page 39 [4] Slide the fix piece to the left side. Fix piece [5] Pull out the hinge, and open the maintenance cover. Hinge Maintenance cover [6] Draw the Lossnay cores (with filters) from the main unit. Filter Lossnay core [7] Unscrew the screws (one special screw M4 for each core guide, indicated by ), and remove the core guides (left (L) and right (R)).
  • Page 40 [8] Take off the separators. Separator [9] Unscrew the screws ( ), and remove the motor fix plate. Six PTT screws 5×10, indicated by For LGH-F300RVX-E For LGH-F470RVX-E to LGH-F1200RVX-E Motor Motor fix plate Motor Motor fix plate ( 3 ) Terminal block parts Power circuit board [1] Remove the control box cover.
  • Page 41 (4) Control parts (For LGH-F300RVX-E to LGH-F600RVX-E) Precaution Before replacing the circuit boards, see (6) Procedures for replacing the circuit boards (on pages 45 to 47). [1] Remove the control box cover. → See (2) [1] . [2] Check that LED4 on the circuit board is OFF, and then...
  • Page 42 [5] Unscrew the earth fixing screw (one PT screw 4×8 BS, indicated by ) and the lock washer (4). [6] Unscrew the screw (one PT screw 4×8, indicated by and remove the power circuit board. Control circuit board (LG-X07DC-E . P) [7] Unscrew the screws (four PTT screws 4×8, indicated by ), and remove the control unit from the main unit.
  • Page 43 [9] Unscrew the screws (two PT screws 4×8, indicated by ), and remove the reactor. Reactor (5) Control parts (For LGH-F1200RVX-E) Precaution Before replacing the circuit boards, see (6) Procedures for replacing the circuit boards (on pages 45 to 47). When removing only the control circuit board Control cover [1] Unscrew the black screws (three special screws 4×8,...
  • Page 44 When removing the power circuit boards or reactors [1] Unscrew the screws (eight PT screws 4×8, Control box cover indicated by ) to remove the control box cover. [2] Remove the circuit boards and reactors. Power circuit board (upper) Reactor (LG-X07DC-E1) [Upper unit] a.
  • Page 45 (6) 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-61DR-E is connected, make sure to replace the circuit boards as described in the Steps.
  • Page 46 Removing the circuit boards • For the working precautions, see page 37. • For removing the circuit boards, see (4) Control parts (For LGH-F300RVX-E to LGH-F600RVX-E) (page 41) or (5) Control parts (For LGH-F1200RVX-E) (page 43). Attaching the circuit boards...
  • Page 47 Step Details Check item Function setting with PZ-61DR-E When PZ-61DR-E is connected, according to the function status record data pre- Address pared in Step 2, set the function settings with PZ-61DR-E. setting If PZ-61DR-E is not connected, skip this step and proceed to Step 7. Function To perform function settings with PZ-61DR-E, see the Lossnay technical manual or setting...
  • Page 48 □ □ □ □ □ □ □ □ : Factory setting Note: SW6 setting differs according to the model. Model SW6-1 SW6-2 SW6-3 SW6-4 SW7-8 □ □ LGH-F300RVX-E □ □ LGH-F470RVX-E □ □ LGH-F600RVX-E □ □ LGH-F1200RVX-E ─ 48 ─...
  • Page 49 [3] Function settings Enter the setting data of the functions set with PZ-61DR-E. Function No. Setting Data Function No. Setting Data Function No. Setting Data Function No. Setting Data ( ) : Factory setting [4] External input Enter the usage of the external input/output on the control circuit board. Terminal or connector Function Name Used...
  • Page 50 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 51 LGH-F300RVX-E 4 pcs. 4 pcs. 2 pcs. 4 pcs. 4 pcs. 4 pcs. 2 pcs. 4 pcs. 4 pcs. Screw cap 16 pcs. 4 pcs. 6 pcs. <Standard screws> Symbol Screw name PT screw 6x12 PTT screw 4x8 PT screw 5x10 PTT screw 4x6 shows accessory parts.
  • Page 52 LGH-F300RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Maintenance cover W50 013 709 Special screw M4 W00 000 101 Core guide L W50 013 382 Lossnay core W50 004 719 With the filter stoppers  Filter W50 004 723 ...
  • Page 53 Air exhaust fan assembly 2 pcs. 2 pcs. 4 pcs. 4 pcs. 4 pcs. 4 pcs. 32 31 Air supply fan assembly <Standard screws> Symbol Screw name PTT screw 4x8 PTT screw 5x10 ─ 53 ─ LGH-F300RVX-E...
  • Page 54 LGH-F300RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (M8) W00 000 121 Left-handed 32 Tab washer W00 000 134 φ 220 33 Centrifugal fan W50 013 481  φ 40 (Outer dia.) 34 Special washer (10)
  • Page 55 <Standard screws> Symbol Screw name PTT screw 4x8 PPT screw 3x8 PT screw 4x8 PPT screw 4x20 ─ 55 ─ LGH-F300RVX-E...
  • Page 56 LGH-F300RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Control box cover W50 019 707 52 Circuit board W50 004 174 LG-X07DC-E･C  53 PCB fix plate W50 004 381 54 Sub control base W50 019 705...
  • Page 57 (Control circuit board) Thermistor (OA) (Control circuit board) Thermistor (RA) Slim-Lossnay connection cable CN10 Control circuit board (LG-X07DC-E . C) Power circuit board (LG-X07DC-E . P) CN119 CN21 CN118 CN19 CN18 CN5 CN22 shows accessory parts. ─ 57 ─ LGH-F300RVX-E...
  • Page 58 LGH-F300RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 81 Lead wire W36 002 214 CN19-CN119  82 Lead wire W36 002 215 CN18-CN118  83 Thermistor W50 013 170 OA･RA set  84 Lead wire W50 004 231 100mm ...
  • Page 59 LGH-F470RVX-E 4 pcs. 4 pcs. 2 pcs. 4 pcs. 4 pcs. 4 pcs. 2 pcs. 2 pcs. 4 pcs. 2 pcs. Screw cap 16 pcs. 4 pcs. 6 pcs. <Standard screws> Symbol Screw name PT screw 6x12 PTT screw 4x8 PT screw 5x10 shows accessory parts.
  • Page 60 LGH-F470RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Maintenance cover W50 013 711 Special screw M4 W00 000 101 Core guide L W50 013 384 Lossnay core W50 004 720 With the filter stoppers  Filter W50 003 738 ...
  • Page 61 Air exhaust fan assembly e (6 pcs.) e (6 pcs.) 4 pcs. 4 pcs. Air supply fan assembly <Standard screws> Symbol Screw name PTT screw 4x25 PTT screw 5x10 ─ 61 ─ LGH-F470RVX-E...
  • Page 62 LGH-F470RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (M12) W00 000 117 Left-handed 32 Tab washer W50 004 730 φ 245 33 Centrifugal fan W50 004 482  34 Washer (12) W00 000 123 35 Inlet ring W50 004 725 36 DC motor (EA)
  • Page 63 <Standard screws> Symbol Screw name PTT screw 4x8 PPT screw 3x8 PT screw 4x8 PPT screw 4x20 ─ 63 ─ LGH-F470RVX-E...
  • Page 64 LGH-F470RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Control box cover W50 019 707 52 Circuit board W50 004 174 LG-X07DC-E･C  53 PCB fix plate W50 004 381 54 Sub control base W50 019 705 55 Circuit board W50 004 173 ...
  • Page 65 CN19 CN119 (Control circuit board) (Power circuit board) CN18 CN118 (Control circuit board) (Power circuit board) CN22 (Control circuit board) Thermistor (OA) (Control circuit board) Thermistor (RA) Slim-Lossnay connection cable CN10 Control circuit board (LG-X07DC-E . C) Power circuit board (LG-X07DC-E .
  • Page 66 LGH-F470RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 81 Lead wire W36 002 214 CN19-CN119  82 Lead wire W36 002 215 CN18-CN118  83 Thermistor W50 013 170 OA･RA set  84 Lead wire W50 004 231 100mm ...
  • Page 67 LGH-F600RVX-E 4 pcs. 4 pcs. 2 pcs. 4 pcs. 4 pcs. 4 pcs. 2 pcs. 2 pcs. 4 pcs. 2 pcs. Screw cap 16 pcs. 4 pcs. 6 pcs. <Standard screws> Symbol Screw name PT screw 6x12 PTT screw 4x8 PT screw 5x10 shows accessory parts.
  • Page 68 LGH-F600RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Maintenance cover W50 013 711 Special screw M4 W00 000 101 Core guide L W50 013 385 Lossnay core W50 004 721 With the filter stoppers  Filter W50 004 724 ...
  • Page 69 Air exhaust fan assembly e (6 pcs.) e (6 pcs.) 4 pcs. 4 pcs. Air supply fan assembly <Standard screws> Symbol Screw name PTT screw 4x25 PTT screw 5x10 ─ 69 ─ LGH-F600RVX-E...
  • Page 70 LGH-F600RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (M12) W00 000 117 Left-handed 32 Tab washer W50 004 730 φ 245 33 Centrifugal fan W50 004 482  34 Washer (12) W00 000 123 35 Inlet ring W50 004 725 36 DC motor (EA)
  • Page 71 <Standard screws> Symbol Screw name PTT screw 4x8 PPT screw 3x8 PT screw 4x8 PPT screw 4x20 ─ 71 ─ LGH-F600RVX-E...
  • Page 72 LGH-F600RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Control box cover W50 019 707 52 Circuit board W50 004 174 LG-X07DC-E･C  53 PCB fix plate W50 004 381 54 Sub control base W50 019 705 55 Circuit board W50 004 173 ...
  • Page 73 CN19 CN119 (Control circuit board) (Power circuit board) CN18 CN118 (Control circuit board) (Power circuit board) CN22 (Control circuit board) Thermistor (OA) (Control circuit board) Thermistor (RA) Slim-Lossnay connection cable CN10 Control circuit board (LG-X07DC-E . C) Power circuit board (LG-X07DC-E .
  • Page 74 LGH-F600RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 81 Lead wire W36 002 214 CN19-CN119  82 Lead wire W36 002 215 CN18-CN118  83 Thermistor W50 013 171 OA･RA set  84 Lead wire W50 004 231 100mm ...
  • Page 75 LGH-F1200RVX-E <Standard screws> 4 pcs. Symbol Screw name 4 pcs. PT screw 6x12 PTT screw 4x8 4 pcs. 4 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs. 4 pcs. 2 pcs. 4 pcs. 2 pcs. 2 pcs. 2 pcs. 2 pcs.
  • Page 76 LGH-F1200RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Maintenance cover W50 013 711 Special screw M4 W00 000 101 Core guide L W50 013 385 Filter W50 004 724  Filter stopper W50 016 711 Lossnay core W50 004 721 With the filter stoppers ...
  • Page 77 Air exhaust fan assembly Upper unit c (6 pcs.) c (6 pcs.) 4 pcs. Air supply fan assembly 4 pcs. Air exhaust fan assembly Lower unit c (6 pcs.) c (6 pcs.) 4 pcs. Air supply fan assembly 4 pcs. <Standard screws>...
  • Page 78 LGH-F1200RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (M12) W00 000 117 Left-handed 32 Tab washer W50 004 730 φ 245 33 Centrifugal fan W50 004 482  34 Washer (12) W00 000 123 35 Inlet ring W50 004 725 36 DC motor (EA)
  • Page 79 6 pcs. <Standard screws> Symbol Screw name PTT screw 4x8 PPT screw 3x8 PT screw 4x8 PPT screw 4x20 ─ 79 ─ LGH-F1200RVX-E...
  • Page 80 LGH-F1200RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Cord bush W00 000 277 52 Bush W00 000 278 53 Circuit board W50 004 172 LG-X07DC-E1  54 PCB case W50 004 383 55 Reactor W50 004 181 ...
  • Page 81 CN21 CN121 (Control circuit board) (Power circuit board (upper)) CN19 CN119 (Control circuit board) (Power circuit board) CN18 CN118 (Control circuit board) (Power circuit board) CN22 (Control circuit board) Thermistor (OA) (Control circuit board) Thermistor (RA) Slim-Lossnay connection cable CN10 CN121 Power circuit board (upper) (LG-X07DC-E1)
  • Page 82 LGH-F1200RVX-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 81 Lead wire W50 013 213 CN21-CN121  82 Lead wire W36 002 214 CN19-CN119  83 Lead wire W36 002 215 CN18-CN118  84 Thermistor W50 013 171 OA･RA set ...

This manual is also suitable for:

Lgh-f470rvx-eLgh-f600rvx-eLgh-f1200rvx-eLgh-f300rx5-eLgh-f470rx5-eLgh-f600rx5-e ... Show all

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