User guide

H891 Heckler AV Credenza Mini

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Guide details Applicability and revision

Mount AV Credenza Mini, arrange devices and cables, and install the camera bracket and front panel.

ProductH891

Hardware generationH891

Guide revisionrelease-2026-10-28

Applies to

H891 Heckler AV Credenza Mini.

In this guide · 9 sections

In the box

A. 1 x main body (R502-1)

B. 1 x front panel (R509)

C. 1 x mounting bracket for Rally Bar & Rally Bar Mini (R502-2)

D. 2 x mounting bracket for Google Meet Series One Room Kit Audio Bar (R502-3)

E. 1 x wall-mounting template (K394)

F. 2 x mounting screw for camera brackets (F036)

G. 2 x mounting screw for Rally Bar & Rally Bar Mini (F038)

H. 2 x mounting screw for Google Meet Series One Room Kit Audio Bar (F775)

I. 1 x hex key for installing camera brackets (F776)

J. 1 x set screw for mounting PTZ cameras (F040)

K. 1 x wingnut for mounting PTZ cameras (F041)

L. 1 x spacer for mounting PTZ cameras (F042)

M. 4 x screw for mounting VESA-compatible NUCs (F869)

N. 4 x thumb nut for mounting VESA-compatible NUCs (F838)

O. 4 x drywall-mounting screw (F039)

P. 4 x drywall-mounting washer (F035)

Q. 4 x drywall-mounting spacer (F034)

R. 4 x drywall-mounting wall anchor (F037)

S. 5-foot roll of hook & loop strap (F947)

T. 5 x strapping buckle (F751)

U. 2 x key (F033)

Credenza body, front panel, camera brackets, template, and mounting accessories labeled A through U.

Tools needed

- Power drill - 1/2-inch drill bit - Phillips screwdriver - Masking tape - Level - Tape measure - Stud finder

Install wall anchors

Tape the wall-mounting template (E) to the wall. Use a level.

Mark the locations of wall studs on the mounting template.

Mark the hole locations on the wall. Select one hole location for each corner of the credenza.

Wall template showing the credenza top at 36 inches and the outlet at 18 inches above the floor.

Remove the template from the wall.

Drill holes in the drywall. Use a 1/2-inch diameter drill bit.

Install the wall anchors (R).

How to install SNAPTOGGLE wall anchors

1. Hold metal channel flat alongside plastic straps & slide channel through the hole. Minimum clearance behind wall: only 1-7/8” 2. Hold ends of straps together between thumb & forefinger and pull toward you until channel rests behind wall. Ratchet cap along straps with other hand until flange of cap is flush with wall. 3. Place thumb between straps at wall. Push thumb side to side, snapping off straps level with flange of cap. 4. Place item over flange. Insert bolt and tighten until snug against item, then stop. Use machine screw or bolt to match thread in metal channel.

Pass the wall mounting screws (O) and washers (P) through the white nylon spacers (Q), then fasten loosely into the wall in the upper left and upper right mounting positions.

Two upper mounting screws with washers and spacers aligned with the wall anchors.

Close-up sequence showing a screw, washer, and nylon spacer assembled at a wall anchor.

Mount devices and cabling

Cut the provided hook & loop straps (S) to length as needed for strapping components and cable management.

Use buckles (T) to firmly strap components.

Strap components to the grid of large rectangular holes on the rear and bottom surfaces of the credenza body.

Devices and cables strapped to the credenza mounting grid.

Fasten NUCs and other VESA-compatible devices to the VESA-compatible M4 clearance holes located between the large rectangular holes. M4 mounting hardware is included(M and N).

Device plate aligned with four M4 screws and thumbnuts on the mounting grid.

Install credenza body

Hang the credenza on the top two anchor screws.

Credenza body approaching the upper screws and lowering onto them.

Close-up of an upper wall screw seated in a credenza keyhole.

Fasten mounting screws (O) and washers (P) through the lower corners of the credenza body. Position a white nylon spacer (Q) between the body and the wall in each lower corner.

Tighten all four mounting screws until snug, then stop.

Credenza body on the wall with both lower mounting positions circled.

Lower wall screw, washer, and spacer entering the credenza mounting position and then seated.

Install camera bracket for Logitech Rally Bar & Rally Bar Mini

Fasten the bracket (C) to Rally Bar with the 1/4-20 screws (G) and key (I) provided.

Rally Bar bracket aligned beneath the video bar with two screws and a hex key.

Fasten mounting screws (F) to the bracket with key (I) provided. Do not tighten the screws at this step.

Two mounting screws aligned with the installed Rally Bar bracket.

Slide the bracket’s mounting screws into the horizontal keyhole slots on the back wall of the credenza.

Tighten the screws with the provided hex key (I).

Rally Bar bracket entering the credenza keyholes, followed by fastening with the hex key.

Install camera bracket for Google Meet Series One Room Kit

Fasten the pair of Google Meet mounting brackets (D) to the Google Meet Audio Bar with provided screws (H) and hex key (I). Position each bracket so the cork liner rests on the top surface of the credenza body.

Two Google Meet Audio Bar brackets aligned with their screws and a hex key.

Fasten mounting screws (F) to the bracket with key (I) provided. Do not tighten the screws at this step.

Two mounting screws aligned with the Google Meet Audio Bar brackets.

Slide the bracket’s mounting screws into the horizontal keyhole slots on the back wall of the credenza.

Tighten the screws with the provided hex key.

Google Meet Audio Bar brackets lowering into the credenza keyholes, followed by hex-key fastening.

Install camera bracket for PTZ cameras

Fasten the provided 1/4-20 set screw (J) and black spacer (L) into your camera.

Set screw and spacer aligned beneath a PTZ camera.

Place the camera on the top surface. Use the black spacer provided to lift the camera from the top surface a small distance. Fasten the camera to the credenza body with the provided wing nut (K).

PTZ camera positioned over the top mounting slot with the wing nut below.

Install front panel

Lower the front panel onto the body. Rest the four posts on the panel onto the four hooks on the main body.

Front panel approaching the credenza and lowering into position.

Close-up sequence of front-panel posts entering and seating in the body hooks.

Use the provided keys (U) to turn the cam lock on the underside of the credenza body.

Completed credenza installed beneath a display with a camera on its top surface.