Installation Guide for LUTRON models including: Alisse Keypads Round Back Box

App Note Alisse Best Practices (048791)

App Note Alisse Best Practices (048791), Lutron, 048791, 048-791, Alisse, keypads

App Note Alisse Best Practices (048791) - Lutron

Many backboxes are well-suited to be used for Alisse installations with some exceptions. To ensure that the keypad's adapter will be able to cover the ...

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Application Notes


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048791
Application Note #791
Revision A July 2021
Alisse Keypads - Round Backbox Installation Best Practices
Overview
Once installed, the Alisse keypad is a beautiful wall control designed to be elegant and discreet. To ensure the best installation possible, this document outlines the international Alisse keypad installation best practices.
Table of Contents
Backbox Selection ............................................................................................................................................... 2 Wall Inspection and Preparation .......................................................................................................................... 3 Cutting Holes in Wall............................................................................................................................................ 4 Backbox Installation............................................................................................................................................. 5 Mounting Screws ................................................................................................................................................. 6 Best Practices with Panhead Screws .................................................................................................................. 8 Manufacturer's Backboxes (tested by Lutron) .................................................................................................... 9
Compatible........................................................................................................................................................ 9 Not Recommended........................................................................................................................................... 9 Non-Compatible ............................................................................................................................................... 9

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Application Note #791
Backbox Selection
Many backboxes are well-suited to be used for Alisse installations with some exceptions. To ensure that the keypad's adapter will be able to cover the backbox and its installation, the backboxes used for one-column, two-column, and three-column units should have a diameter of 75 mm (3 in). In order to ensure spacing exists for the connector and wiring, the depth of any backbox should be greater than 35 mm (1.4 in). Alisse keypads ship with a special QS connector that allows them to be installed in a 35 mm (1.4 in) deep backbox. Using a standard QS connector requires a deeper backbox.

75 mm (3 in)

35 mm (1.4 in)

Figure 1: Visual depiction of backbox size limitations.

International Style Round Wallbox: Screw Spacing: 60.3 mm (2.4 in) (red arrows) Recommended Lutron Part Number: EBB-1-RD* EBB-15-RD*
* Please reference page 9 for information on other manufacturer's backboxes.
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Application Note #791
Wall Inspection and Preparation
One of the most important factors to consider in any Alisse installation is the flatness of the wall. A non-flat wall could be caused by various factors that include decorative wall coverings (tile, stone, etc.), plaster not evenly applied, plasterboard spackle applied but not sanded evenly, etc. This non-flat wall could create a gap between the adapter and wall or the faceplate and adapter. If the gap is too large, the snaps in one or more corners may disengage which will cause rocking, or in some extreme cases the unit will not be able to be installed into the adapter or may disengage over time. To confirm the wall you are working on is flat, we recommend using a straight edge and holding it against the wall at the desired installation location, as shown in the photo below. There should be no visible gap between the straight edge and the wall in the area of your installation. We recommend checking flatness in both the horizontal and vertical directions.
Photo of straight edge used to evaluate wall flatness.

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Application Note #791
Cutting Holes in Wall
Debris or burrs left from hole construction can cause gaps to exist between the wall and the Alisse keypad.

Gap Before and after photos of debris and burr created during a dry lined wall installation.

Example of an installation with a flat wall and deburred hole.

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Application Note #791
Backbox Installation
Prepare the wall and backbox hole as described in the previous sections. Install the backbox to ensure it is as flat and flush to the wall as possible. The goal of this installation is to ensure that the unit cannot shift on the wall under normal use while minimizing the gap between the wall and the adapter.

Gap Example of a protruding backbox and its impact on the keypad.

Example of an installation with a flat wall and flush mounted backbox.

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Application Note #791
Mounting Screws
The Alisse keypad must be mounted using the horizontal (left/right) screw holes. It cannot be mounted using the vertical screw holes (if present), on your backbox.

Horizontal mount

Not compatible with vertical mount

The backbox must be installed horizontally with the mounting screws being as level as possible.

Backbox is mounted slightly rotated. The mounting screws are not level, therefore, the keypad will not be level. There is limited adjustability in the adapter. Use a level to check that the backbox is properly mounted horizontally. If not, you may be able to adjust it. For flag and flange backboxes or claw and flange backboxes, loosen the screws used to mount the backbox. Rotate the backbox slightly until the unit mounting screws are horizontal. Retighten the box mounting screws that secure it to the wall. If your backbox is a masonry mounted box, it cannot be adjusted easily. It would need to be uninstalled and reinstalled properly.

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Application Note #791
Mounting Screws (continued)
Flathead countersunk screws are preferable for mounting the Alisse adapter to the backbox. Lutron does not provide screws, as the screw size / thread pitch are not standardized across backbox manufacturers. Screws are provided by the backbox manufacturer.
The low profile of the flat countersunk screw head won't interfere with the keypad assembly. If your backbox is supplied with panhead screws you will need to drive the screw so that the head does not protrude past the edge of the box.
Flathead countersunk - Preferred screw head type

Panhead ­ Not preferred. If your backbox was supplied with panhead screws see the following section for Best Practices with Panhead Screws.

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Application Note #791
Best Practices with Panhead Screws
For 1C and 2C units
Drive the panhead screw in as far as possible while keeping the adapter arms flat against the wall surface. Do not overtighten such that adapter arms raise off the surface of the wall.

CORRECT Adapter flat against wall.

NOT CORRECT Screw over-driven. Adapter raised off of wall.

For 3C units
For 3C units, panhead screws should be driven in such that the top of the screw heads are flush with the lip of the backbox.

CORRECT Panhead screw flush with backbox.

NOT CORRECT Panhead screw protrudes past backbox, not flush with backbox.

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Application Note #791

Manufacturer's Backboxes (tested by Lutron)
Compatible Boxes

Make

Model

Mounting Style

Depth (mm) Base Unit Fit

Compatibility

Simet Kaiser (Lutron)
F-Tronics Legrand Legrand Legrand
Legrand Legrand

PV60K 9064-01 (EBB-1-RD) E135 0800-51
0800-41
080108 / 080109 0801-01 0801-21

Flags and Flanges Flags and Flanges
Flags and Flanges Claws and Flanges Claws and Flanges Masonry / No Flange
Claws and Flange Claws and Flange

Not Recommended Boxes

Make

Model

Mounting Style

38.5

Good

62

Good

Good Good

35

Good

50

Good

40

Good

40

Good

Good Good* Good* Good*

40

Fits, but tight

Good*

50

Fits, but tight

Good*

Depth (mm) Base Unit Fit Compatibility

Debflex Debflex ELKO Vimar

718300 718361 E135 V71701

Non-Compatible Boxes

Make

Model

Masonry / No Flange Claws and Flanges Claws and Flanges Flags and Flange
Mounting Style

40

Good

Ok

40

Fits, but Tight

Ok

54

Good

Ok

50

Good

Poor

Depth (mm) Base Unit Fit Compatibility

Legrand

080021H

Claws and Flanges

40

Debflex

718361

Claws and Flanges

40

ELKO

E135

Claws and Flanges

48

Will not fit

No

Will not fit

No

Will not fit

No

* See previous section Best Practices with Panhead Screws for use of backboxes supplied with panhead screws.

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Application Note #791

Lutron and Alisse are trademarks or registered trademarks of Lutron Electronics Co., Inc. in the US and/or other countries. All other product names, logos, and brands are property of their respective owners.

Lutron Contact Numbers

WORLD HEADQUARTERS USA Lutron Electronics Co., Inc. 7200 Suter Road Coopersburg, PA 18036-1299 TEL: +1.610.282.3800 FAX: +1.610.282.1243
support@lutron.com
www.lutron.com/support
North & South America Customer Assistance USA, Canada, Caribbean: 1.844.LUTRON1 (1.844.588.7661) Mexico: +1.888.235.2910 Central/South America: +1.610.282.6701

UK AND EUROPE: Lutron EA Limited 125 Finsbury Pavement 4th floor, London EC2A 1NQ United Kingdom TEL: +44.(0)20.7702.0657 FAX: +44.(0)20.7480.6899 FREEPHONE (UK): 0800.282.107 Technical Support: +44.(0)20.7680.4481
lutronlondon@lutron.com

ASIA: Lutron GL Ltd. 390 Havelock Road #07-04 King's Centre Singapore 169662 TEL: +65.6220.4666 FAX: +65.6220.4333 Technical Support: 800.120.4491
lutronsea@lutron.com
Asia Technical Hotlines Northern China: 10.800.712.1536 Southern China: 10.800.120.1536 Hong Kong: 800.901.849 Indonesia: 001.803.011.3994 Japan: +81.3.5575.8411 Macau: 0800.401 Taiwan: 00.801.137.737 Thailand: 001.800.120.665853 Other Countries: +65.6220.4666

Lutron Electronics Co., Inc.

10

7200 Suter Road

Coopersburg, PA 18036-1299 U.S.A.

07/2021 P/N 048791 Rev. A



References

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