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Lutron Triathlon Roller Shades Installation Guide: WIDR Roller, Drive Replacement (045662, rev 3)
Lutron's electronic drive unit (EDU) replacement guide for the Triathlon WIDR roller shade, shade models QSFR()-C.
Lutron 045662 Rev 3, Triathlon Roller Shades Installation Guide: WIDR Roller, Drive Replacement. https://assets.lutron.com/a/documents/045662.pdf, via https://newwaykl.com/resources/lutron/roller-shades/triathlon/lutron-triathlon-roller-shades-installation-guide-045662/
About document 045662
Lutron document 045662, Rev 3, is the Triathlon WIDR EDU replacement guide: opening the battery tray, pulling the old EDU, fitting the replacement with a new in-line fuse, rehanging the shade and setting both limits.
What guide 045662 covers
Lutron document 045662 has these five sections. Each link opens the PDF at that page in a new tab.
Specifications in 045662
Lutron document 045662 prints 13 values in the groups the document uses, each with the document's unit. A row names the catalog codes it applies to. The page link beside each group opens the PDF where the group starts.
Applicable Shade Models
PDF page 1 of 045662, opens in a new tab- Shade model
- QSFR()-CModels: QSFR()-C
Included in the box
PDF page 1 of 045662, opens in a new tab- Replacement EDU
- Included
- New in-line fuse
- Included
Additional tools
PDF page 1 of 045662, opens in a new tab- Driver
- 90° T15 (Torx) driver
Remove Old EDU
PDF page 1 of 045662, opens in a new tab- Shade position before replacement
- At its open limit
- Force to pull the EDU from the tube
- Around 5 to 10 lbs (interference fit)
Install Replacement EDU
PDF pages 1 and 2 of 045662, opens in a new tab- First insertion
- Part way only; full insertion follows at step 3.4
- Force to seat the EDU and idler
- Around 5 to 10 lbs
- Power wires
- Black and red, through the metal hooks on the bracket
- Antenna wire
- White, pressed into its channel at 6 teeth
- Wire exit
- Top slot of the battery tray
- In-line fuse position
- Between the EDU and the battery box, taped
Re-associate Controls and Set Upper and Lower Limits
PDF page 2 of 045662, opens in a new tab- Limits on a replacement EDU
- Not pre-set
Installation walk-through for 045662
Lutron document 045662 gives 14 steps, in the document's order, after the tools and fixings it lists.
The clearance, the check and the warning under a step are the document's own.
Tools
- 90° T15 (Torx) driver
Fixings
- Battery tray screws and washers, saved and refitted
- Spring and spacer, where fitted, saved and refitted
- New in-line fuse (supplied)
- Tape from the old fuse, saved and re-applied
Check the parts and identify the shade
Confirm the box holds the replacement EDU and a new in-line fuse, and have a 90° T15 driver ready. The order and line numbers on the new calibration label show which shade takes this EDU.
Check: The order and line numbers on the label match the shade.
Warning: Do not stick the calibration label on the EDU housing; it can rub inside the tube in use.
Open the battery tray and disconnect the EDU
With the shade at its open limit, lay it on a flat work surface and open the battery tray. Peel off the tape and keep it, then disconnect the EDU and take out the old in-line fuse.
Check: The shade was at its open limit before work began.
Take out the battery tray screws
Remove the battery tray screws with the T15 driver and keep the screws and washers. A spring and spacer, where fitted, come out the same way and are kept.
Tilt the bracket out of the tray
Tilt the bracket out of the battery tray and ease the wires out with care.
Pull the bracket and old EDU out
Draw the bracket and the old EDU out of the tube together. The interference fit takes around 5 to 10 lbs of pull.
Check the far end of the shade
Look at the opposite end of the shade. The tube there may hold a spring assist and must stay engaged with its bracket.
Check: The far end of the tube is still engaged with its bracket.
Warning: Keep the opposite end of the tube engaged with its bracket after the drive-end bracket comes off.
Fit the new EDU in the bracket
Hook the EDU end into the bracket and snap it home. Run the black and red power wires through the metal hooks.
Press the white antenna wire into its channel at the six teeth.
Check: The antenna wire is held at all six teeth.
Start the EDU in the tube
Lay the EDU and bracket flat. Line up the EDU puck grooves with the splines inside the tube and push the EDU partly in.
Check: The EDU is started but not yet fully home.
Route the wires through the tray
Lead the EDU wires out through the top slot of the battery tray.
Seat the EDU fully
Line up the bearing sleeve grooves with the teeth inside the tube. Compress the shade until the idler seats, again with around 5 to 10 lbs of force.
Check: The idler is fully seated.
Refit the battery tray screws
Refit the washers and screws with the T15 driver. With a spring and spacer, drive the bottom screw first.
Then turn the spring and spacer to line up the top screw.
Reconnect the battery box with the new fuse
Connect the supplied new in-line fuse between the EDU and the battery box and tape over it again. Return the old EDU to Lutron as Customer Service or Technical Support directs.
Check: The new fuse, not the old one, is in circuit and taped.
Rehang the shade in the mounting rail
Lutron document 045662 pictures three moves. Rest the inner part of each end bracket, bottom first, on the lower shelf of the mounted rail.
Push the top of the shade into the rail until each bracket clicks. Tilt each bracket upright and hand-tighten its screw into the rail channel.
Check: A click is heard at each end bracket.
Re-associate controls and set both limits
Re-associate the controls, then set the upper and lower limits before normal use. Lutron document 045662 prints no button sequence for this step.
Check: The shade opens and closes in the right direction between the new limits.
Warning: A replacement EDU has no limits set, so the shade may move the wrong way until the limits are set.
Requirements Lutron states in 045662
What the guide requires for a Triathlon shade before and during installation:
- Applicable shade models
- QSFR()-C, the Triathlon WIDR roller shade
- In the box
- A replacement EDU and a new in-line fuse
- Extra tool
- A 90° T15 (Torx) driver for the battery tray screws
- Shade position
- At its open limit before the replacement starts
- Identifying the shade
- Order and line numbers on the new calibration label, or the serial number on the EDU wire harness if separated
- Calibration label
- Never stuck to the EDU housing, where it can rub inside the tube
- Drive side
- EDU on the left of a regular-roll shade, reverse-roll shades following the same steps mirrored
- Interference fit force
- Around 5 to 10 lbs, pulling the old EDU out and seating the new one, no metric value printed
- Opposite end
- The far end of the tube, which may hold a spring assist, stays engaged with its bracket
- In-line fuse
- The new fuse connects between the EDU and the battery box and is taped in place
- Limits after replacement
- Not pre-set on a replacement EDU, so the shade may run in reverse until both limits are set
- Old drive
- Returned to Lutron as Customer Service or Technical Support directs
Questions about document 045662
The answers come from Lutron document 045662 and New Way's record of it.
What is Lutron document 045662?
Lutron's 2-page EDU replacement guide, undated, drawn for a regular-roll shade with the EDU on its left side.
Which revision of 045662 is current?
Rev 3 is the revision Lutron publishes. New Way checked it against assets.lutron.com on 15 October 2026.
Which roller shades does 045662 cover?
Lutron Triathlon roller shades.
Which shades does Lutron document 045662 apply to?
Lutron document 045662 lists the applicable shade models as QSFR()-C, the Triathlon WIDR roller shade.
The drawings show a regular-roll shade. Reverse-roll shades follow the steps mirrored.
What is in the box, and where does the old EDU go?
Lutron document 045662 lists a replacement EDU and a new in-line fuse in the box. The old EDU goes back to Lutron as Customer Service or Technical Support directs.
Which tool does the EDU swap need?
Lutron document 045662 calls for a 90° T15 (Torx) driver for the battery tray screws. The screws, washers and any spring and spacer are kept and refitted.
How much force does the EDU swap take?
Lutron document 045662 expects around 5 to 10 lbs of force from the interference fit, with no metric figure printed.
The pull comes once when the bracket and old EDU leave the tube. The push comes again when the new EDU goes fully home and the idler seats.
How is the right shade matched to the replacement EDU?
Lutron document 045662 uses the order and line numbers on the new calibration label shipped with the EDU. If label and EDU are separated, the serial number on the EDU wire harness finds the right label.
Other Triathlon installation guides
Installation guides for the same Triathlon system:
All 12 Triathlon installation guidesDocuments used with 045662
Lutron document 085333 is the specification submittal for Triathlon roller shades, and 045583 the WIDR architectural fascia installation guide. Lutron document 045662 shows the shade with a battery tray and battery box.
| Document | Type | Revision | Date |
|---|---|---|---|
| 085333Roller Shades Specification Submittal | Specification Submittal | B | |
| 085312Serena Roller Shades Specification Submittal | Specification Submittal | K | Sep 2025 |
| 085314Sivoia QS 4-Group RF Remote Control Specification Submittal | Specification Submittal | C | May 2016 |
| 085575Serena Roller Shades CAD Drawing: Battery, Architectural Fascia, Section View | CAD Drawing | D | |
| 085568Serena Roller Shades CAD Drawing: Battery, Fabric Wrapped Fascia, Elevation View | CAD Drawing | B | |
| 085276Serena 10 Output Power Panel Power Supply (12 V) Specification Submittal | Specification Submittal | C | May 2016 |
| 085283Serena Individual Plug-In Power Supply Specification Submittal | Specification Submittal | D | Nov 2018 |
| Roller Shades Revit Family | Revit Family | ||
| Serena Application Note: Blink Codes | Application Note | ||
| 048561Serena Application Note: Optimizing Battery Life in Shades | Application Note | F | Oct 2024 |
Revisions of 045662
This page always shows the revision Lutron publishes today. Lutron replaces the file in place and does not keep earlier revisions online.
| Revision | Date | Status |
|---|---|---|
| 3 | Not stated | Current. The file on assets.lutron.com. Checked 15 Oct 2026. |
Not covered in 045662, and what to read next
Lutron document 045662 stops at the reminder to re-associate controls and set both limits, printing no button sequence for either.
Publisher and citation for document 045662
Lutron Electronics Co., Inc. publishes document 045662, Rev 3, and serves it from assets.lutron.com. New Way hosts no copy and last checked the file there on 15 October 2026.
Lutron and Triathlon are trademarks of Lutron Electronics Co., Inc.
Reviewed by Edmond Hong, Technical Specialist, New Way.
Specifying Triathlon?
New Way supplies and installs Lutron Triathlon shading in Malaysia and Singapore. A New Way specifier can check your shade schedule and drawings before you submit.
The form opens with document 045662 filled in.
