H780 · MKII

Heckler Classroom Credenza Mk II

Install Classroom Credenza MKII, arrange AV equipment, and fit its console inserts, laptop shelf, and front panel.

This guide is also available as a printable PDF.

Letter PDF A4 PDF

Safety Information and Precautions

In the box

1 x Credenza body (R836)
2 x Console insert floor (R834)
1 x Lock pawl (R837-SS)
1 x Front panel (R831)
1 x Laptop shelf (R833)
1 x Blank console insert plate (P039)
1 x Laptop shelf console insert (P155+P154)
1 x French cleat (T025)
2 x Cleat fastening wingnut (F773)
4 x Bottom bumper (P153)
4 x Wall toggle anchor (F727)
3 x Wall mounting screw (F945)
3 x Wall mounting washer (F731)
32 x Rackmounting screw (F938)

Recommended installation tools

Pen
Level
Tape measure
Stud finder
Drill
3/4 inch Spade or Forstner bit. For drilling a 3/4" hole through steel studs, we recommend using a conical step bit.
Phillips screwdriver

Remove front panel, console inserts and laptop shelf

Access the accessory bag from the rear window of the body. Use the key inside to unlock the panel.

Rear of the credenza with the lock position circled beneath the access opening.

Remove the Front Panel. Carefully lift the panel upwards, then forward.

Front panel lifting upward and then forward away from the credenza, shown in two views.

Turn the handles on the console inserts and remove them from the body.

Retaining handles on both console inserts circled, followed by the inserts lifting out.

Unfasten the wingnuts and remove the laptop shelf from the body.

Laptop shelf separated from the rear mounting positions, with its two fasteners circled.

Install French cleat

Determine the left-to-right center point where the credenza will be installed.

Mark the wall 42 inches above the finished floor at this location.

Mark the wall stud positions along the cleat’s length, 37-1/4 inches above the finished floor.

Wall layout showing the credenza top at 42 inches, cleat at 37-1/4 inches, outlet at 18 inches, and bottom at 13-3/8 inches above the floor.

Install the First Wall Anchor. Starting at the cleat’s center, drill and install the first wall anchor.

Fasten the Cleat to the Wall. Secure the cleat at the center position. Level the French cleat then mark two additional mounting points using the cleat as a template.

Parts

A: 3 x SNAPTOGGLE Wall Anchors

B: 3 x Screws (3/8-inch diameter, 2-1/2 inches long)

C: 3 x Washers

Install Additional Anchors. Install two additional wall anchors and fasten the cleat to these points.

Exploded cleat installation with three toggle anchors, washers, and screws.

Cleat secured through three mounting positions.

Install bottom bumpers to the credenza

Four bottom bumpers positioned at the lower corners of the credenza body.

Close-up of a bottom bumper entering its mounting opening and then seated.

Install AV equipment into the credenza

Remove the Front Panel. Carefully lift the panel upwards, then forward.

Install rack-mounted components

Use 10-32 rack-mounting screws to fasten your rack mounted components.

Rack component aligned with the credenza rack rails and mounting screws.

Install small components

Use 1RU rack shelves to mount small components into the rack area.

Small devices secured to a rack shelf inside the credenza.

In addition, you can mount small components to the floor and rear wall of the credenza.

Additional small devices secured to the lower and rear mounting surfaces.

There are four mounting positions for 80 mm cooling fans. The two lower positions should be used to pull room air into the credenza. The two upper positions should be used to push warm air from the credenza.

Four cooling-fan mounting positions circled on the sides of the credenza.

Install the credenza onto the wall

With two people, use the integrated handles to carefully hang the credenza on the French cleat.

Credenza approaching the wall-mounted French cleat.

Upper rear view showing the credenza mounting points aligned with the cleat.

Side view with an enlarged detail of the credenza seated over the wall cleat.

Fasten two wing nuts to the French cleat to fix the Credenza to the wall.

Two wing nuts securing the credenza to the cleat.

Install the blank console insert

Blank console insert lowering into the top opening.

Underside of the blank console insert with its two retaining handles circled.

Install the laptop shelf console insert

Exploded laptop shelf and console insert with two wing nuts aligned below the studs.

Underside of the assembled laptop shelf console insert showing its wing nuts.

Laptop shelf console insert lowering into the top opening.

Underside of the installed laptop shelf insert with both retaining handles circled.

Install the front panel

Front panel approaching the credenza body.

Front-panel stud approaching the body mounting slot, with a curved insertion arrow.

Front-panel stud seated in its body mounting slot.

Completed wall-mounted credenza with the front panel and laptop shelf installed.

Questions?

Email us at service@heckler.com

Call us at (844) 432-5930

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