A fixed LED wall is a construction job before it’s an AV job. There’s steel, there’s a dedicated electrical circuit, there’s a chase for cable, and there’s a week or two of sequencing with whoever else is working in the building. Clients who understand that early get their wall on time. Clients who expect a delivery van and a screwdriver don’t.
This is the sequence we follow on every fixed installation in Oman, what we need from the client at each stage, and where projects slip.
Stage 1: site survey
Before a panel is ordered, someone from our team measures the space. Not from drawings. On site.
We’re checking the wall or structure the LED will mount to, the ceiling and floor clearances, where power can come from, where the processor and sources will sit, how the cabinets will physically get into the room, and what the ambient light does across the day. We photograph everything and mark the services behind the wall.
What we need from you: access, the architect’s or contractor’s drawings if they exist, and whoever will decide where the controller lives.
Where it goes wrong: a wall ordered from a floor plan that turns out to have a column, a fire hose reel or a window frame in the way.
Stage 2: design and engineering
From the survey, we fix the wall size, confirm the pitch (the pixel pitch guide explains how), choose cabinet dimensions that divide neatly into that size, and produce three drawings: the cabinet layout, the structural frame, and the electrical and data schematic.
The structural drawing goes to the client’s contractor or structural engineer if the mounting wall’s load capacity is in doubt. A 20 square metre indoor wall weighs 600 to 900 kg with the frame. An outdoor wall of the same size can be double that. Blockwork and plasterboard partitions don’t carry it without a steel frame spanning to the slab or to floor and ceiling.
The electrical schematic tells the electrician what the wall draws, what circuit breakers it needs and where the isolators go.
What we need from you: sign-off on the layout and a named contractor for the structural and electrical works, or an instruction for us to include them.
Stage 3: structure
The frame goes in first. For indoor walls that’s usually a welded or bolted steel subframe fixed to the slab, to a concrete wall, or spanning floor to soffit. For outdoor and hanging screens it’s engineered steelwork with a certified design.
The frame has to be flat and plumb to within a few millimetres across the whole wall. Cabinets lock to each other and to the frame, and any twist in the frame shows as a visible seam between cabinets. We check with a laser level before accepting it.
Behind the frame, there must be space. Front-service cabinets need 50 to 100 mm. Rear-service cabinets need enough room for a person: 600 mm minimum. The survey settles which type the room can take.
Where it goes wrong: a frame built by a contractor who hasn’t done LED before, out of flat, with no service access. Fixing it after the cabinets arrive costs days.
Stage 4: power and data
The wall needs a dedicated circuit. We size it from the cabinet count and the manufacturer’s maximum power per cabinet, add the processor and any ancillary equipment, and add headroom. A mid-sized indoor wall often needs a three-phase supply. Outdoor walls almost always do.
Power distribution runs to each cabinet row through a distribution box with its own breakers. Data runs from the processor rack to the first cabinet in each chain on Cat6, then cabinet to cabinet. For walls more than 100 m from the rack, fibre.
Everything should be on a UPS at least for the processor, and ideally for the whole wall in a control room.
What we need from you: the electrician on site before the cabinets, and the containment (conduit or trunking) from rack to wall installed.
Where it goes wrong: a 13 A socket where a 32 A three-phase outlet was specified. The wall is finished and can’t be switched on.
Stage 5: cabinet assembly
The cabinets, with their receiving cards and power supplies, lock onto the frame row by row from the bottom up. Each is levelled against its neighbours and locked. Data and power loop from cabinet to cabinet as each row goes on.
On a 20 square metre indoor wall this is a day or two with a crew of three. Outdoor walls on a unipole take longer because of the crane work and the height.
Where it goes wrong: cabinets from different production batches mixed on one wall. Colour differences show. We check batch numbers on delivery.
Stage 6: module fitting
The LED modules clip to the front of the cabinets, magnetically on most modern systems. Each one is a section of the final image. They go on in order so the seams line up and the module numbering matches the control software.
This is the stage that looks like progress to a client, because the wall becomes a wall. It’s also the quickest.
Stage 7: control and calibration
The processor and sending cards are installed in the rack, the wall is mapped so the software knows which module sits where, and every source is connected and tested. The controller guide covers what’s being set up here.
Calibration comes next. A camera-based system measures every module’s colour and brightness and corrects them so the wall is uniform. On fine-pitch walls this takes hours, and it’s the difference between a wall that looks like one screen and a wall that looks like a patchwork.
We also set the brightness schedule. An outdoor wall runs at full in daylight and drops to a fraction after sunset, or the municipality will complain. An indoor wall in a daylit room ramps with the light.
Stage 8: commissioning and handover
We run the wall for several hours under real content, check every module, check the seams, check every source, check the failover if specified, and walk the client through operation. Handover includes the as-built drawings, the calibration file, spare modules, and the maintenance schedule.
What we need from you: the people who will operate the wall, in the room, for the walkthrough.
How long it takes
From signed order to a working wall, the panels themselves are the long lead item. Indoor fine-pitch cabinets are typically four to eight weeks from the factory. Outdoor cabinets and custom shapes can be longer. The structure and electrical works run in parallel with the lead time, so they should be finished before the cabinets land.
On site, a small indoor wall is a week. A large indoor wall or a control room is two to three. An outdoor unipole depends on the civil works and the crane schedule.
The project slips when the structure or electrical isn’t ready and the cabinets sit in crates on the floor.
The client’s pre-installation checklist
- Structure built to the drawing and checked flat and plumb
- Dedicated power circuit installed, tested and labelled
- Containment from rack location to the wall in place
- Rack location decided, with power, cooling and network
- Clear route to carry cabinets into the room
- Other trades cleared from the area for the installation days
- Air conditioning running in the room (walls generate heat and calibration needs a stable temperature)
- Content ready to test with, at the wall’s resolution
Maintenance after installation
LED walls need little, but not nothing. Modules are cleaned with a dry cloth or low-pressure air; never with liquids. Fans and filters on outdoor cabinets are checked and cleared of dust every few months in Oman. Brightness is checked annually and recalibrated if the wall has drifted. Spare modules are kept on site, and a failed module is swapped from the front in minutes.
Installing an LED wall in Oman
Elite Infotech supplies and installs LED video walls across Muscat, Sohar and Salalah, from the site survey through structure, power, calibration and handover. See completed projects or the LED video wall page.
Call +968 9690 9419 to book a site survey.