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www.unvlt.com

Rev. 6/6/19

INSTALLATION INSTRUCTIONS

BLC48 LINEAR HIGH BAY LUMINAIRE

14043600 REV 3

Page 1

SAFETY WARNINGS

INSTALLATION

IMPORTANT SAFETY INFORMATION

Follow information on label & instructions regarding installation near combustible materials, insulation, and building 
materials & in Dry or Wet locations. Do not install in areas exposed to combustible vapors or gases. 

This product must 

be installed by a person familiar with construction and operation of the product and the hazards involved, in 
accordance with the applicable installation. Be sure to ground product to avoid potential electrical shock or 
other potential hazard.

 Use of accessory equipment not recommended by the manufacturer or installed inconsistent 

with instructions may cause an unsafe condition. Do not completely or partially block light emerging from product, as this 
could cause an unsafe condition. Do not allow other items to come into contact with the product, as this may cause an 
unsafe condition. 

WARNING:

 This product may contain chemicals known to the State of California to cause cancer, birth 

defects and/or other reproductive harm. Thoroughly wash your hands after installing, servicing, handling, cleaning, or 
otherwise touching this product. This device complies with FCC CFR Title 47 Part 15, Class A requirements for EMI/RFI.

Step 1: Unpack & Inspect

Carefully remove fixture from packaging.  Use gloves to prevent dirt and 
oils from transferring to the unit.  Inspect the fixture for any defects before 
proceeding.  Confirm the product ordered matches the product received.

Step 4: Relocate Access Plate

First slip the large tab of the access plate into the hole (a) and push 
forward so the two smaller tabs drop in as well.  Again, be careful to avoid 
wire abrasions.

Step 2: Remove Access Plate

Remove retaining screw (a), then slide the entire plate in the direction shown 
in (b).  Use the tab at (C) to lift the access plate and pull free of the chassis.

Step 5: Secure Access Plate

Slide the entire plate in the direction shown at (a), then replace the 
retaining screw (b).

Step 3: Make Connections 

Reach into the hole (a) and pull the wired, luminaire disconnect out of the 
fixture, being careful to avoid wire abrasions.  Use the poke-in connectors 
(b) on line-side of the luminaire disconnect to connect hot (black to black) 
and neutral (white to white).  Connect ground to grounding screw (C) on the 
back side of the luminaire disconnect.

Step 6: Suspended Mount

Suspended mounting can be achieved with the adjustable cable 
mounting kit (BLC48-ACC-CBLKIT15) as shown in (a1) & (a2) or with 
chain mounting kit (BLC48-ACC-PNDKIT06) as shown in (b).  Both are 
sold separately. For each, ensure the hooks are securely installed in the 
fixture chassis.

KEY HOLE

STOP

Before you begin.

Read these instructions completely & carefully.

WARNING

Risk of electrical shock. 

Disconnect power before servicing or installing luminaire.

!

WARNING

Risk of injury or damage. 

Mount only to a mechanically sound surface; All 

fixtures must be connected to a grounded, three-wire supply; All electrical 
connections must be capped with UL listed wire connectors rated 600V or 
higher;  If supply wires are located within three inches of the LED driver, use 
wire rated for at least 90°C; Consult qualified electrician before installing.

!

WARNING

Risk of injury or damage. 

Luminaire will fall if not installed properly. Follow

installation instructions, NEC and local codes and best trade knowledge.

!

WARNING

!

Risk of injury. 

Wear safety glasses and gloves during installation and servicing.

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APPLICATION ADVICE

• Do not touch LED diodes or connecting clips on the LED modules.
• This product is intended for application in indoor, dry and non-corrosive environments.

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