THORLABS LFE1220W-US Installation Manual
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THORLABS LFE1220W-US Installation Manual

THORLABS LFE1220W-US Installation Manual

Laminar flow enclosure
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LFE1220W-US, -EU, and -UK Laminar Flow Enclosures
LFE1220W-US,
LFE1220W-EU, and
LFE1220W-UK
Laminar Flow
Enclosure
Installation Manual
Original Instructions

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  • Page 1 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures LFE1220W-US, LFE1220W-EU, and LFE1220W-UK Laminar Flow Enclosure Installation Manual Original Instructions...

  • Page 2: Table Of Contents

    LFE1220W-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: Chapter 1 Introduction

    The LFE1220W-US (-EU and -UK) 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 4: Chapter 2 Safety

    LFE1220W-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 5: Chapter 3 Installation

    LFE1220W-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 6: Parts List

    LFE1220W-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 7 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Enclosure Frame Continued… Code Description Image Corner Gusset RH Corner Gusset LH Roof Panel – Inner Roof Panel – Outer Curtain Strip HEPA FFU (Fan Filter Unit) Foam Tape (inside HEPA FFU Box) Curtain Clamp –...
  • Page 8 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Accessories Box Code Description Image M6 Square Nut M6 Washer 142* M6 x 1.0 Low Profile Channel Screw, 16 mm Long M6 x 1.0 Hammerhead Screw, 12.7mm Long 118* (XE25HM6)
  • Page 9 LFE1220W-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 2:1 Splitter Cable LED switch extension 12V Power Supply...

  • Page 10: Installing The Roof Frame Assembly

    LFE1220W-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 RH  Longitudinal Filter Support LH  Outer Lateral Filter Support  Long Top Cross Member ...
  • Page 11 LFE1220W-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 12 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation   Fit the end of Longitudinal Filter Support LH (B ) into the T-slot recesses of the Lateral Filter Support (C and slide across approx. 12.5mm [0.5"] to align the screws with the through holes.
  • Page 13 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation  Fit the end of Longitudinal Filter Support RH Supports (A ) 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.
  • Page 14 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Re-tighten the filter flanges on the lateral support, making sure the flange faces are all flush and parallel to each other. Figure 8 Assembly of Longitudinal and Lateral Filter Supports – Step 8 Repeat steps 1 to 8 to produce a second inner frame sub assembly with Longitudinal Supports attached to a Lateral Support.

  • Page 15: Roof Frame Assembly

    LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.4.3. Roof Frame Assembly 10. Take one of the inner frame sub-assemblies from step 9, and insert an assembly block (AF) under each of the Longitudinal Supports to lift them 25 mm as shown below, so that the whole of the assembly sits horizontally. Take the ...
  • Page 16 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation  11. Insert eight M6 Square Nuts (AA) into the Central Lateral Filter Support (E ); two into the top and middle slot of each end, on the side with the angle brackets in contact. Slide these nuts down until they are in position behind the angle bracket (the T-handle hex driver can be used to position the nuts in place behind the angle bracket slot).
  • Page 17 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 12. Insert the two assembly tools (AK) as spacers between the ends of the fixed flange on the central lateral support and the flanges on the longitudinal supports. This will position the longitudinal supports correctly. While in this position, use four M6 Washers (AB) and four M6 x 16 Low Profile Screws (AC) to screw into the square nuts inserted in step 11 to fix the bracket to the central lateral support, making sure that the top surfaces are flush.
  • Page 18 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 13. Repeat steps 10 to 12 to attach the remaining sub assembly from step 9 to the other side of the central lateral support member, forming an inner roof frame.
  • Page 19 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation  15. It is recommended that 2 people perform this step. Fit one of the Long Top Cross Members (D ) to the inner frame assembled in the previous steps as shown below. Insert the screw heads on the lateral supports into T-slot recesses and slide along approx.
  • Page 20 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 16. It is recommended that 2 people perform this step. Fit the assembly blocks (AF) underneath the Long Top Cross  Member (D ) as shown below, to lift it by 50mm and make it easier to access the lower 2 screws. Using the T-handle hex driver supplied, tighten the lower 2 screws for each of the 3 lateral supports.
  • Page 21 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 17. It is recommended that 2 people perform this step. Repeat steps 15 and 16 to attach the remaining Long Top Cross  Member (D Figure 17 Roof Frame Assembly – Step 17...
  • Page 22 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 18. Two reels of foam tape (P) are provided (one per HEPA FFU). Cut each reel into two 600mm [23.6”] lengths and two 1180mm [46.5”] lengths, giving a total of four of each length.

  • Page 23: Inner Roof Panel Fitting

    LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.5. Inner Roof Panel Fitting 3.5.1. Required Parts: Code Description Roof Panel - Inner Push Rivet Barrel Plug 3.5.2. Roof Panel Fitting 21. Peel back the protective plastic film from both faces of Inner Roof Panels (K) by about 50 mm (2 in.) so that the fixing holes can be accessed.
  • Page 24 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 22. Lay the 4x Inner Roof Panels (K) onto the roof frame assembly (from step 20). Note that the panels have 1 glossy and 1 matt side. The panels can be assembled with either finish on the inside of the frame; orientate your parts according to the desired finish.
  • Page 25 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Note The push rivets have 2 parts: the lower part (1) inserts into the hole and then the top part (2) is pushed in which expands the rivet and locks it in place. In order to ensure that the panel is aligned properly before being fixed, place the push rivets into all the holes in a panel before securing by pushing the top down.
  • Page 26 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 24. Insert 10x Barrel plugs (AG) into the corresponding holes. Figure 23 Inserting the Barrel Plugs 25. Put the finished Roof Frame Assembly to one side. Page 24 ETN056370-D02...

  • Page 27: Upright Frame Assembly

    LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.6. Upright Frame Assembly 3.6.1. Required Parts: Code Description  Short Top Cross Member G  Frame Upright RH  Frame Upright LH Corner Gusset RH Corner Gusset LH M6 Washer...
  • Page 28 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 27. It is recommended that 2 people perform this step. Lay the parts flat on the floor.   Take a Frame Upright RH (G ) and a Frame Upright LH (H ).
  • Page 29 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 28. It is recommended that 2 people perform this step. Use the assembly blocks (AF) as shown below to raise the ends of the frame uprights by 50 mm. Using the T-handle driver supplied, tighten the assembly screws on ...
  • Page 30 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 29. It is recommended that 2 people perform this step. Repeat step 27 and 28 to create a second set of uprights. Figure 27 Two Upright Assemblies Page 28 ETN056370-D02...

  • Page 31: Fitting The Roof Frame Assembly

    LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.6.3. Fitting the Roof Frame Assembly 30. It is recommended that 4 people perform this step. Lift up one end of the roof frame completed in step 25, supporting each end, so that the frame is at an angle. Hold in this position.
  • Page 32 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 32. It is recommended that 4 people perform this step. Slide the assembly screws into the slots of the frame uprights – they will align with the central and outer slot as shown. Slide down until seated against the positioning screws.
  • Page 33 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 33. It is recommended that 4 people perform this step. Lift the other side of the roof frame assembly so the top of the frame is horizontal, supporting at the two free ends of the long top cross members. Use steps as necessary to lift the frame to this height.
  • Page 34 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 34. It is recommended that 4 people perform this step. Take the remaining set of uprights completed in step 29. Stand them up on their castors, vertically, with the position screws facing the open ends of the roof frame.
  • Page 35 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 35. It is recommended that 4 people perform this step. Position the uprights below the ends of the long top cross members. Lift the ends slightly, align the slots, and slide the assembly screws down into the slots until seated on the positioning screw.
  • Page 36 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 36. Check that all the screws are tight, and the legs are square to the roof frame. There should be no gaps. 37. Prepare four Corner Gusset RH (I) and four Corner Gusset LH (J) by pre-installing the fasteners. Each Gusset requires five M6 Washers (AB), five Hammer Head Screws (AD), and five M6 Nuts (AE).
  • Page 37 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 38. Fit the gussets from step 36 to the frame as shown below. Align the heads of the hammerhead screws with the slots in the extrusion then push the heads inside.

  • Page 38: Fitting The Hepa Fan Filter Unit (Ffu)

    LFE1220W-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 Roof Panel Outer HEPA FFU (Fan Filter Unit) Barrel Plug Push Rivet Cable Gland 3.7.2. Fitting the HEPA FFU 39.
  • Page 39 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 40. Set the FFU to a desired speed. Please refer to the MAC 10 Original VE5 FAN FILTER MODULE INSTALLATION AND SERVICE MANUAL for more guidance on the speed options.
  • Page 40 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 42. It is recommended that 2 people perform this step. With one person supporting from inside the roof aperture, and the other from outside, lift the HEPA FFU along and into place on the foam-topped flanges.
  • Page 41 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 43. It is recommended that 2 people perform this step. Repeat steps 41 and 42 to position the second HEPA FFU. Caution. When positioning the HEPA filter unit makes sure to lift into position. DO NOT slide the unit as this will damage the foam padding on the filter supports.
  • Page 42 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 44. Using the same process as in steps 22 and 23, attach the outer roof panels (L) to the frame using push rivets (AH). Position the panels as shown below, with the corner cutouts aligned with the slots in the extrusion and the circular cutout aligned with the cutouts on the inner panels.
  • Page 43 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 45. Using the same process as in step 24, insert qty 6 Barrel Plugs (AG) into the corresponding holes. Figure 41 Fitting the Barrel Plugs Rev A April 2021 Page 41...
  • Page 44 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 46. If required, fit qty 16 barrel plugs to the underside of the holes. Figure 42 Fitting the Barrel Plugs to the Underside Page 42 ETN056370-D02...

  • Page 45: Lighting

    LFE1220W-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 2:1 Splitter LED switch extension 12V Power Supply...
  • Page 46 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation The cable routing will be determined by the chosen light position. A splitter has been provided so that both lights can be powered from a single power supply. The connection order is as follows: Light strips (BD) –...

  • Page 47: Led Light Strip Attachment

    LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation LED Light Strip Attachment 3.8.2. 47. 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 48 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 48. Using qty 3 LED mounting clips (BC) and qty 3 M6x6 Button Screws (BB), secure the light clips to the XE25T1/M Drop-in Nuts inserted above. A 4mm T-handle hex driver is supplied to tighten the screws.
  • Page 49 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 50. The LED 2:1 splitter (BE) makes it possible to power 2 light strips from one power supply, and connects between the light strips and the switch extension. To power 2 light strips, ensure that the lights strips are placed sufficiently close together to be connected by the splitter.
  • Page 50 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 52. The cable can be routed inside the T-slots of the construction rail. The provided XE25S2 Slot Cover Profiles (T) 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 51: Fitting Curtains

    LFE1220W-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 (with Part Number) Curtain Clamp – Short (with Logo) Curtain Clamp – Long M6 Washer Hammer Head Screw...
  • Page 52 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 54. Insert and rotate a second Hammer Head Screw, approx. 150mm [5.9"] from the first. Place one Curtain Strip (M) onto these two Hammer Head Screws. Figure 52 Inserting a Second Hammer Head Screw and Hanging a Curtain Strip 55.
  • Page 53 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 56. Add a third Curtain Strip on top of the first two assembled to cover the gap. Figure 54 Hanging the Next Curtain Strip 57. Repeat steps 55 and 56 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 54 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Figure 56 Completed Curtain Assembly On One Short Side Page 52 ETN056370-D02...
  • Page 55 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 58. Fit the Curtain Clamp – Long (S) over the protruding Hammer Head Screws. Fit an M6 Washer (AB) and M6 Domed Nut (AI) on each Hammer Head Screw. Because of the flexibility of the plastic, it is possible that the holes in the Curtain Clamp do not align perfectly with all of the Hammerhead Screws at first.

  • Page 56: Long Side Curtain Assembly

    LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 3.9.3. Long Side Curtain Assembly 60. Insert the first Hammer Head Screw (AD), as per step 53, with a gap of approx. 6.0 mm [0.25"]. Figure 58 Inserting a Hammer Head Screw on the Long Side of the Frame...
  • Page 57 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation 61. Repeat steps 53 to 58 for the long side, using 21 Curtain Strips in total, and using Curtain Clamp – Short (with Part Number) (Q) and Curtain Clamp – Short (with Logo) (R).
  • Page 58 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 3: Installation Figure 60 Completed Assembly 63. The enclosure is now complete – make final adjustments to the feet and lock with a spanner (not provided). Page 56 ETN056370-D02...

  • Page 59: Chapter 4 Air Quality Monitor

    LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 4: Air Quality Monitor Chapter 4 Air Quality Monitor 4.1. Box Contents Figure 61 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 62 and Figure 63.
  • Page 60 LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 4: Air Quality Monitor Figure 63 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. Do not tighten the tewo protruding cap screws.
  • Page 61 LFE1220W-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 65 Fitting the USB Cable Head For convenience there are three pairs of key holes to allow for flexibility in positioning the AQM. Line up two of the key holes on the back of the AQM with the two protruding screws on the mounting plate.

  • Page 62: Function Description

    LFE1220W-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 67 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 63: Chapter 5 Servicing Instructions

    LFE1220W-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 section 3.7, but in...

  • Page 64: Chapter 6 Specifications

    LFE1220W-US, -EU, and -UK Laminar Flow Enclosures Chapter 6: Specifications Chapter 6 Specifications General Specifications 1, 2, 3 Maximum Additional Load 300 kg Maximum Load per Construction Rail 100 kg Total Weight 270 kg Foot Height Adjustment -0, +10 mm HEPA Filter Efficiency 99.95%...

  • Page 65: Chapter 7 Regulatory

    LFE1220W-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 Rev A April 2021 Page 63...

  • Page 66: For Customers In The Usa

    LFE1220W-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 67: 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 68 www.thorlabs.com...

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