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LOSSNAY
HANDBOOK
Model : VL-100U
VL-100EU
Nameplate
Repair work must be performed by
the manufacturer, its service agent or
a similarly qualified person in order to
avoid hazards.
-E
5
-E
5
July 2013
No. U190

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   Summary of Contents for Mitsubishi Electric Lossnay VL-100U5-E

  • Page 1

    July 2013 No. U190 LOSSNAY HANDBOOK Model : VL-100U VL-100EU Nameplate 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

    Contents 1. Safety precautions ............... 3 2. Names and functions of components .......... 4 3. Specifications ................4 4. Outside dimensions ..............5 5. Electrical wiring diagrams ............6 6. Troubleshooting ................ 7-8 7. How to call ................... 9 8. Service inspection list ..............9 9.

  • Page 3: Safety Precautions

    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 incorrectly are described with the warning symbols shown below.

  • Page 4: Names And Functions Of Components

    2. Names and functions of components Lossnay Core Louver Filter stopper Front panel (Heat exchanger) Core handle Exhaust air filter Filter frame Shutter knob Outside air filter (Replacement filter) Power plug Pull cord (VL-100U -E only) (VL-100U -E only) About the filters Features Exhaust air Exhaust air filter...

  • Page 5: Outside Dimensions

    4. Outside dimensions VL-100U Unit (mm) VL-100EU Unit (mm) ─ 5 ─...

  • Page 6: Electrical Wiring Diagrams

    5. Electrical wiring diagrams VL-100U VL-100EU ─ 6 ─...

  • Page 7: Troubleshooting

    6. Troubleshooting Work precautions • When servicing, be sure to recreate the malfunction two or three times before starting repairs. • When servicing, always keep proper footing. • When servicing, always unplug the power cord from the outlet, or turn off the circuit breaker. Sufficient care must be taken to avoid electric shock or injury.

  • Page 8

    Error Cause Action 3 An unusual Is there something wrong with the motor? Check the basic checklist for the major noise comes components (Table 3). from the fan. Replace the abnormal parts. 4 High/Low lamp Is Lossnay operating at the High or Low If the lamp does not illuminate during the does not illumi- fan speed?

  • Page 9: How To Call

    7. How to call Symptom Remedy The incoming air feels cold. 1 Stop the operation, and close the shutter. 2 Adjust the louver in a horizontal position. 3 Change the fan speed to Low. Unusual noise occurs. 1 Clean the filters. (Noise became louder.) 2 Securely attach the front panel and filters.

  • Page 10: Overhauling Procedures

    9. Overhauling procedures Work precautions • Before replacing parts, follow the instructions described in the troubleshooting. • When servicing, always keep proper footing. • When servicing, always unplug the power cord from the outlet, or turn off the circuit breaker. Sufficient care must be taken to avoid electric shock or injury.

  • Page 11

    3 Unscrew the terminal block (TB) case cover clamping screw (one PT screw 4 × 8, indicated by ), and remove the TB case cover. TB case cover 4 Loosen the screws of the terminal block (three screws, indicated by ) with a screwdriver, and disconnect the power lead wires. (3) Main unit Main unit 1 Unscrew the main unit clamping screws (two black PTT screws...

  • Page 12

    (5) Lossnay core • Hold the core handle, and pull it out in the direction of the arrow while holding down the hook part. Hook part Core handle <Reassembly procedure> • When installing the Lossnay core, first fit the lower part of the core handle (indicated by “a”) into "b" position of the front casing, and then hook the ledge of the core handle to the concave portion of the front casing (indicated by ).

  • Page 13

    3 Remove the neon lamp from the front casing. 4 Pass the neon lamp through the hole of the front casing, and then remove the front casing. Neon lamp Hole of the front casing (7) Air exhaust (EA) fan 1 Remove the special nut (8) and tab washer, and then remove EA fan the EA fan.

  • Page 14

    (8) Air supply (SA) fan Motor fix plate 1 Unscrew the motor fix plate clamping screw (one PTT screw 4 × 14, indicated by ). 2 Turn the motor fix plate upside down, and put it on the main unit. SA fan 3 Remove the special nut (8) and tab washer, and then remove the SA fan.

  • Page 15

    (10) Terminal block case (TB case) 1 Unscrew the TB case clamping screw (one PT screw 4 × 8, indi- cated by ), and remove the TB case. TB case 2 Unscrew the TB fix plate clamping screws (two PTT screws 4 × 8, indicated by ), and remove the TB fix plate.

  • Page 16: Parts Catalog

    10. 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. Parts are not always available, and it may take time for you to receive them. 3.

  • Page 17: Vl-100u -e

    VL-100U ─ 17 ─ VL-100U...

  • Page 18

    VL-100U5-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Front panel Y36 004 721 Lossnay core Y36 004 723 Core handle Y36 004 722 Cover Y36 004 709 Front casing Y36 004 707 PTT screw 4×14 H00 000 333 PTT screw 4×10 M32 013 027 Filter...

  • Page 19

    Optional parts P-100F P-100HF Air supply fan assembly 2 pcs. Air exhaust fan assembly shows accessory parts. ─ 19 ─ VL-100U...

  • Page 20

    VL-100U5-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 41 Wall pipe M36 091 731 42 Pipe fix plate M36 293 707 43 Fix plate M36 100 709 44 Spl scr 3.5×32 M34 863 045 45 PTT screw 4×8 M45 502 095 Black 46 Weather cover...

  • Page 21: Vl-100eu -e

    VL-100EU ─ 21 ─ VL-100EU...

  • Page 22

    VL-100EU5-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Front panel Y36 004 721 Lossnay core Y36 004 723 Core handle Y36 004 722 Cover Y36 004 709 Front casing Y36 004 707 PTT screw 4×14 H00 000 333 PTT screw 4×10 M32 013 027 Filter...

  • Page 23

    Optional parts P-100F P-100HF Air supply fan assembly 2 pcs. Air exhaust fan assembly shows accessory parts. ─ 23 ─ VL-100EU...

  • Page 24

    VL-100EU5-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 41 Wall pipe M36 091 731 42 Pipe fix plate M36 293 707 43 Fix plate M36 100 709 44 Spl scr 3.5×32 M34 863 045 45 PTT screw 4×8 M45 502 095 Black 46 Weather cover...

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Lossnay vl-100eu5-e

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