THORLABS LFE1220-US Installation Manual
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THORLABS LFE1220-US Installation Manual

THORLABS LFE1220-US Installation Manual

Laminar flow enclosures
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LFE1220-US, -EU, and -UK Laminar Flow Enclosures
LFE1220-US,
LFE1220-EU, and
LFE1220-UK
Laminar Flow
Enclosures
Installation Manual
Original Instructions

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  • Page 1 LFE1220-US, -EU, and -UK Laminar Flow Enclosures LFE1220-US, LFE1220-EU, and LFE1220-UK Laminar Flow Enclosures Installation Manual Original Instructions...

  • Page 2: Table Of Contents

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Table of Contents Introduction........................1 Chapter 1 Safety ..........................2 Chapter 2 2.1. General Warnings and Cautions ................2 Installation .......................... 3 Chapter 3 3.1. Installation Requirements ..................3 3.2. Environmental Conditions ................... 3 3.3.
  • Page 3 LFE1220-US, -EU, and -UK Laminar Flow Enclosures 7.1. Declarations of Compliance ................54 7.1.1. For Customers in Europe ..................54 7.1.2. For Customers In The USA ..................55 Thorlabs Worldwide Contacts ..................56 Chapter 8...

  • Page 4: Chapter 1 Introduction

    The LFE1220-US (-EC) is intended to be used as a wrap around enclosure for 1.2 m x 2.0 m (4’ x 6’) Nexus optical tables, enclosing only the table surface to reduce the space required for installation, minimize contamination, and decrease the enclosed air volume to aid in the reduction of airflow turbulence.

  • Page 5: Chapter 2 Safety

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 2: Safety Chapter 2 Safety For the continuing safety of the operators of this equipment, and the protection of the equipment itself, the operator should take note of the Warnings, Cautions and Notes throughout this handbook and, where visible, on the product itself.

  • Page 6: Chapter 3 Installation

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Chapter 3 Installation 3.1. Installation Requirements The Laminar Flow Enclosure is designed to be installed around an optical table. Warning Due to the weight and dimensions of the components, the following procedure must be performed by at least two persons.

  • Page 7: Parts List

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.3. Parts List Note The various supports and uprights look very similar to each other and some differ only in the placement of attachment holes. The different parts can be identified by colored stickers on the packaging as indicated in the table below.
  • Page 8 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Enclosure Frame Continued… Code Description Image Roof Panel – Outer HEPA FFU (Fan Filter Unit) Foam Tape (inside HEPA FFU Box) Curtain Clamp – Short Curtain Clamp – Long Curtain Bar XE25S2 Slot Cover Profile Lifting handle –...
  • Page 9 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Accessories Box Code Description Image M6 x 1.0 Low Profile Channel Screw, 10mm Long ¼"-20 x ¾" Cap Screw M6 x 1.0 Hammerhead Screw, 12.7mm Long (XE25HM6) M6 Square Nut...
  • Page 10 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Lighting Components Tube Code Description Image XE25T1/M Drop-in Nut M6 x 1.0 Button Screw, 6mm Long LED mounting clip LED light strip LED switch extension 12V Power Supply Rev A August 2020...

  • Page 11: Installing The Roof Frame Assembly

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.4. Installing the Roof Frame Assembly 3.4.1. Required Parts: Code Description  Longitudinal Filter Support  Lateral Filter Support  Long Top Cross Member Foam Tape Tools Required 4 mm T-handle hex driver Assembly tool 3.4.2.
  • Page 12 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation The construction rails are assembled by sliding the head of low profile screws into the T-slots of the construction rail. To enable the assembly, the spacing between the end of the construction rail and the underside of the screw head must be set to a specific distance.
  • Page 13 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Fit the end of 1x Longitudinal Filter Support into the T-slot recesses of the Lateral Filter Support and slide across approx. 12.5mm [0.5"] to align the screws with the through holes Figure 4 Assembly of Longitudinal and Lateral Filter Supports –...
  • Page 14 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Fit the second Longitudinal Filter Support: Figure 6 Assembly of Longitudinal and Lateral Filter Supports – Step 6 To assemble construction rails together, the low profile screw heads are tightened inside the T-slots, clamping the parts together.
  • Page 15 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Repeat step 3 to loosen the flange on the other Lateral Filter Support. Move the flange to the left by approx. 12.5 mm [0.5"]. This will allow the screws in the ends of both longitudinal filter supports to be inserted via the T- slot recesses.
  • Page 16 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 11. Stick the lengths of sealing tape to the top of the flanges by removing the adhesive backing strip. Stick the 600 mm lengths first, then the 1180 mm lengths. Set the assembly to one side.

  • Page 17: Roof Frame Assembly

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.4.3. Roof Frame Assembly 12. Set the spacing of the low profile screws in both ends of each Lateral Filter Support (as per step 2). Figure 11 Roof Frame Assembly – Step 12 13.
  • Page 18 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 14. It is recommended that 2 people perform this step. Insert and slide the inner frame (from step 11) into the Long Top Cross Member. Tighten the screws using the T-handle hex driver (as per step 7), ensuring the upper faces of the construction rails are flush.
  • Page 19 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 15. It is recommended that 2 people perform this step. Repeat step 14 to attach the remaining Long Top Cross Member. Figure 14 Roof Frame Assembly – Step 15 16. Put finished Roof Frame Assembly to one side.

  • Page 20: Upright Frame Assembly

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.5. Upright Frame Assembly 3.5.1. Required Parts: Code Description  Short Top Cross Member  Frame Upright  Long Lower Cross Member G  Short Lower Cross Member Adjustable Foot...
  • Page 21 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation  19. It is recommended that 2 people perform this step. Select two Frame Uprights (E ). Ensure the T-slot recesses are on the 2 inward faces and the positioning screws are facing inwards towards each other, as shown in the picture.
  • Page 22 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 20. It is recommended that 2 people perform this step. Insert and slide one of the Long Lower Cross Members   ) into 2 of the Frame Uprights (E ) using the T-slot recesses and tighten the screws as per step 7.

  • Page 23: St Short Side Assembly

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.5.3. 1 Short Side Assembly  21. It is recommended that 2 people perform this step. Select a Frame Upright (E ) and a Short Lower Cross  Member (G ).

  • Page 24: Nd Long Side Assembly

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.5.4. 2 Long Side Assembly  22. It is recommended that 2 people perform this step. Assemble the remaining Frame Upright (E ) and Long  Lower Cross Member (F ), similarly to step It is recommended that 2 people perform this step.

  • Page 25: Nd Short Side Assembly

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.5.5. 2 Short Side Assembly  23. It is recommended that 2 people perform this step. Fit the remaining Short Lower Cross Member (G ) into the assembly and tighten the screws. The frame will flex sufficiently for the screw heads to be inserted through the T-slot recesses.
  • Page 26 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation  24. It is recommended that 2 people perform this step. Insert the 2x Short Top Cross Members ( ) from the top of the uprights until the screw heads align with the through holes. Tighten the screws.

  • Page 27: Roof Fitting

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.6. Roof Fitting 3.6.1. Required Parts: Code Description Roof Panel - Inner Roof Panel - Outer Barrel Plug Push Rivet Tools Required 4 mm T-handle hex driver 3.6.2. Roof Panel fitting 25.
  • Page 28 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 26. Lay the Roof Panels (I and J) onto the roof frame (from step 16). Note that the panels have 1 glossy and 1 matte side. The panels can be assembled with either finish on the inside of the frame; orientate your parts according to the desired finish.
  • Page 29 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 27. Secure with qty 34 push rivets (AH) through the smaller (7 mm) holes. The alignment mark should be parallel to the edge that the push rivet is located in as indicated in the image below. The push rivets have 2 parts – 1: the lower part inserts into the hole and the 2: the top part is then pushed in which expands the rivet and locks it in place.
  • Page 30 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 28. Fit 6x barrel plugs (AG) – push fit. Figure 25 Fitting the Barrel Plugs Rev A August 2020 Page 27...

  • Page 31: Roof Fitting

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.6.3. Roof Fitting 29. Lift the roof frame (from step 28) onto the upright frame completed in step 24, and slide down until the roof is seated on the positioning screws; these will hold the roof in place. Then tighten the screws as per step 7.
  • Page 32 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 30. Fit the remaining 4x barrel plugs and 6x push rivets in the roof panels. Figure 27 Fitting the Barrel Plugs and Push Rivets Rev A August 2020 Page 29...
  • Page 33 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 31. Fit qty 10 (AG) barrel plugs into the corresponding holes on the underside of the top cross members. Figure 28 Fitting the Barrel Plugs to the Underside of the Top Cross Members...

  • Page 34: Fitting The Hepa Fan Filter Unit (Ffu)

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.7. Fitting the HEPA Fan Filter Unit (FFU) 3.7.1. Required Parts: Code Description HEPA FFU (Fan Filter Unit) Lifting handle – LH Lifting handle – RH ¼"-20 x ¾" Cap Screw...
  • Page 35 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 33. Attach the lifting handles (Q and R) to the HEPA FFU using qty 1 ¼"-20 x ¾" Cap Screw (AB) and qty 1 M6 Washer (AF) per handle. A 3/16" hex key (AN) is provided to tighten the Cap Screws.
  • Page 36 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 35. Using the handles, lift the HEPA FFU into the aperture in the centre of the roof where it will be supported by the flanges assembled in step 3.4.2. Avoid sliding it into place to prevent damage to the foam tape.

  • Page 37: Lighting

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.8. Lighting 3.8.1. Required Parts: Code Description XE25T1/M Drop-in Nut M6 x 1.0 Button Screw, 6mm Long LED mounting clip LED light strip LED switch extension 12V Power Supply XE25S2 Slot Cover Profile...
  • Page 38 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation The cable routing will be determined by the chosen light position. An example of the light strip position, and corresponding routing of cable is shown below. Figure 33 Cable Routing Example...

  • Page 39: Led Light Strip Attachment

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation LED Light Strip Attachment 3.8.2. 36. Insert qty 3 XE25T1/M Drop-in Nuts (BA) in the slot that corresponds to your chosen position: The nuts should be spaced approx. 350 mm [13.8"] apart.
  • Page 40 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 38. Fit the LED light strip (BD) by pressing into the 3 clips. Figure 36 Fitting the Light Strip 39. The LED switch extension (BE) has been provided to enable the switching of the lights from a more accessible position.
  • Page 41 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 40. The cable can be routed inside the T-slots of the construction rail. The provided XE25S2 Slot Cover Profiles (P) can be used to hide and secure the cables once routed. The Slot Cover can be easily cut to the desired length, and pushed into place, as shown in the example image below.

  • Page 42: Fitting Curtains

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.9. Fitting Curtains 3.9.1. Required Parts: Code Description Curtain Strip Curtain Clamp – Short Curtain Clamp – Long Hammer Head Screw M6 Domed Nut M6 Washer 3.9.2. Long Side Curtain Assembly 41.
  • Page 43 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 42. Insert a second Hammer Heads Screw, approx. 150mm [5.9"] from the first. Place one Curtain Strip (H) onto these two Hammer Head Screws. Figure 40 Inserting a Second Hammer Head Screw and Hanging a Curtain Strip 43.
  • Page 44 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 44. Add a third Curtain Strip on top of the first two assembled to cover the gap. Figure 42 Hanging the Next Curtain Strip 45. Repeat steps 43 and 44 until the whole side is covered with curtains (14 strips in total). This overlapping pattern is important to help with access through the curtains.
  • Page 45 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Figure 44 Completed Curtain Assembly On One Long Side Page 42 ETN055682-D02...
  • Page 46 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 46. Fit the Curtain Clamp – Long (N) over the protruding Hammer Head Screws, and on each Hammer Head Screw fit an M6 Washer (AF) and M6 Domed Nut (AE). The 2 end-most Hammer Head Screws will require 2x M6 Washers.

  • Page 47: Short Side Curtain Assembly

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.9.3. Short Side Curtain Assembly 48. Insert the first Hammer Head Screw (AC), as per step 42, but with a gap of approx. 17.5mm [0.69"]. Figure 46 Inserting a Hammer Head Screw on the Short Side of the Frame 49.

  • Page 48: Attach Curtain Bar

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.10. Attach Curtain Bar The curtain bar has been provided to be attached to the primary side of access, to allow the user to lift strip curtains out of the way during periods of access. It attaches to one long side of the Laminar Flow Enclosure.
  • Page 49 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 53. Slide the square nuts on the assembled brackets into the outermost T-slots. Set the bracket to the required height, and then tighten using the T-handle hex driver (AL). Figure 49 Fitting the Curtain Bar Brackets to the Frame...
  • Page 50 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 54. Attach the Curtain Bar (O) to the brackets using 2x M8 x 1.25 Cap Screw, 14mm Long (AK), and tighten with 6mm hex key (AM). Figure 50 Fitting the Curtain Bar to the Brackets...

  • Page 51: Chapter 4 Air Quality Monitor

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 4: Air Quality Monitor Chapter 4 Air Quality Monitor 4.1. Box Contents Figure 51 AQM Box Contents 4.2. Installation Loosen the mounting plate T-nuts by a couple of turns and align them to the slots in the extrusion. Note below the different arrangement for fixing to vertical and horizontal extrusion, shown in Figure 52 and Figure 53.
  • Page 52 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 4: Air Quality Monitor Figure 53 Fixing to Horizontal Extrusion Place the mounting plate onto the extrusion, inserting the T-nuts into the slots, and tighten the two M4 screws using the supplied 3 mm hex key.
  • Page 53 LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 4: Air Quality Monitor Plug the lockable USB cable head into the USB port of the AQM and fully tighten the thumbscrew. Figure 55 Fitting the USB Cable Head Line up two of the key holes on the back of the AQM with the two protruding screws on the mounting plate. Move the AQM onto the mounting plate so that the two protruding screws enter the key slots, then push down on the AQM to lock the unit to the mounting plate.

  • Page 54: Function Description

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 4: Air Quality Monitor The mounting plate screws will click into the key holes, indicating that the unit is secure. Figure 57 Securing the AQM Unit to the Mounting Plate Plug the free end of the USB cable into the included USB power supply or a computer USB port. The unit will turn on and remain on when plugged in.

  • Page 55: Chapter 5 Servicing Instructions

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 5: Servicing Instructions Chapter 5 Servicing Instructions 5.1. HEPA FFU Servicing Please refer to the MAC 10 Original VE5 FAN FILTER MODULE INSTALLATION AND SERVICE MANUAL for more detailed instructions. 5.1.1. Removing the HEPA FFU from the Roof To remove the HEPA FFU from the top of the enclosure, follow the same process as in step 35, but in reverse.

  • Page 56: Chapter 6 Specifications

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 6: Specifications Chapter 6 Specifications General Specifications 1, 2 Maximum Additonal Load 400 kg Maximum Load per Construction Rail 100 kg Total Weight 150 kg Foot Height Adjustment +/- 11.5 mm HEPA Filter Efficiency 99.95%...

  • Page 57: Chapter 7 Regulatory

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 7: Regulatory Chapter 7 Regulatory 7.1. Declarations of Compliance 7.1.1. For Customers in Europe Page 54 ETN055682-D02...

  • Page 58: For Customers In The Usa

    LFE1220-US, -EU, and -UK Laminar Flow Enclosures Chapter 7: Regulatory 7.1.2. For Customers In The USA This equipment has been tested and found to comply with the limits for a Class A digital device, persuant to part 15 of the FCC rules.

  • Page 59: Chapter 8 Thorlabs Worldwide Contacts

    Contact Thorlabs for more information. Waste treatment is your own responsibility. “End of life” units must be returned to Thorlabs or handed to a company specializing in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site.
  • Page 60 www.thorlabs.com...

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