Columbia Lighting CBT User manual

© 2020 Columbia Lighting, a division of Hubbell Lighting, Inc. Specifications subject to change without notice.
701 Millennium Blvd • Greenville, SC 29607 / Tel [phone] / Website www.columbialighting.com
Page 1/2 Rev. 04/03/20
COL-CBT-ins
CBT Instruction Manual
CBT
BACK-LIT TROFFER
NOTE: Components shown in images are
representative only and may vary based
on the conguration ordered.
CAUTION
Read instructions carefully and turn electricity o at main circuit breaker panel before beginning installation.
WARNING
If any special control devices are used with this luminaire, follow the instructions carefully to assure full compliance with NEC requirements. If there are any
questions, contact a qualified electrical contractor.
WARNING
This product contains chemicals known to the State of California to cause cancer, birth defects and/or other reproductive harm. Thoroughly wash hands after
installing, handling, cleaning, or otherwise touching this product.
STEP 3
Raise unit into ceiling.
STEP 1
Open access plate. Use knockouts to connect power using
appropriately-sized electrical fittings.
STEP 5
Bend T-bar clips into position.
STEP 4
Make wiring connections.
INSTALLATION METHOD 1: RECESSED MOUNTING
ACCESS PLATE
BLACK SUPPLY
WHITE SUPPLY
BARE, OR GREEN
GROUND WIRE
FROM SUPPLY
WIRE
WIRE
PLAIN OR BLACK
FIXTURE WIRE
FIXTURE GROUND
BARE, OR GREEN
WIRE
FIXTURE WIRE
WIRE NUTS
UL LISTED
WHITE OR IDENTIFIED
Purple
+
+
-
-Grey
0-10V Dimmer Wiring
STEP 2
Set lumen output to desired level using lumen selector switch on gear tray.

CBT
BACK-LIT TROFFER
© 2020 Columbia Lighting, a division of Hubbell Lighting, Inc. Specifications subject to change without notice.
701 Millennium Blvd • Greenville, SC 29607 / Tel [phone] / Website www.columbialighting.com
Page 2/2 Rev. 04/03/20
COL-CBT-ins
CBT Instruction Manual
ACCESSORY PARTS
STEP 1
Assemble the four frames with screw A to a whole square.
STEP 2
Fix the square frames to the ceiling with Screw B.
STEP 4
Put the panel into the frame square.
STEP 3
Demount one frame.
STEP 5
Fix the last frame with screw A.
INSTALLATION METHOD 2: SURFACE MOUNTING
Expansion bolts
Screw B(KA4X25)
Screw A(KA3X10)
Screw A
Expansion bolts
Screw B