Definitive Technology UIW RCS III Owner's Manual page 9

REAR VIEW (FROM INSIDE CEILING)
INSTALLATION IN CEILING WITH JOISTS 12" ON-CENTER
MINIMUM CAVITY REQUIRED:
• 10 1/2" BETWEEN JOISTS THAT WOOD SCREWS
ARE TO BE SECURED TO
• 12 3/4" BETWEEN JOISTS OR OBSTRUCTIONS
ON SIDES LOCK ARMS ARE TO USED
• DEPTH: 5 7/8"
WOODSCREW
(2 PLACES)
LOCK ARM
(4 PLACES)
REAR VIEW (FROM INSIDE CEILING)
INSTALLATION IN CEILING WITH JOISTS 24" ON-CENTER
MINIMUM CAVITY REQUIRED:
• 10 1/2" BETWEEN INSTALLED MATERIAL THAT
WOOD SCREWS ARE TO BE SECURED TO
• 12 3/4" BETWEEN JOISTS OR OBSTRUCTIONS
ON SIDES LOCK ARMS ARE TO USED
• DEPTH: 5-7/8"
LOCK ARM
(4 PLACES)
WOODSCREW
(2 PLACES)
10 1/2" MINIMUM CAVITY
SIZE BETWEEN JOISTS
BEAM TO SHOW MINIMUM DISTANCE
REQUIRED TO CLEAR OBSTRUCTION
TEMPLATE
10 3/8" TEMPLATE CUT-OUT
NOTE: UNIT DOES NOT NEED TO BE CENTERED
BETWEEN JOISTS. ALLOW FOR 1-1/4" OF CLEARANCE
ON EACH SIDE OF CLEAR LOCK ARMS
10 3/8"
TEMPLATE
CUT-OUT
10 3/8" TEMPLATE CUT-OUT
EXISTING CEILING JOISTS
10 3/8"
CUT-OUT
CLEAR LOCK ARMS
EXISTING CEILING JOISTS
24" ON-CENTER
12" ON-CENTER
1 1/4" MINIMUM CLEARANCE
REQUIRED TO CLEAR LOCKARMS
12 3/4"
MINIMUM CAVITY
SIZE REQUIRED TO
Diagram 1
ADDED FRAMING
MATERIAL
10-1/2"
CAVITY SIZE REQUIRED
BETWEEN INSTALLED
FRAMING MATERIAL
Diagram 2
9