1.
INSTALLATION INSTRUCTIONS
OPTIONAL
EXTEND MOUNTING RAILS
B1
B3
B1
Connect
item B1*
together
using
item B3
and tighten grub screws, combining the rails securely.
Repeat this procedure for all rails.
B1
B3
B1
B1*
B3
B1
B1
BACK
FRONT
GRUB
SCREW
GRUB
SCREW
GRUB
SCREW
JOINING
BAR
B3
6
CHANNEL
B1
BACK
FRONT
JOINING BAR ASSEMBLY
FOR
BT8390-WFK1
WALL PLATE
JOINING BAR ASSEMBLY
FOR
BT8390-WFK5
WALL PLATE
B3
Alternative Wall Plate
(BT8390-WFK1)
A4
A5
*Note:
Item B1
may be supplied in
different lengths. Refer to
item D1
for guidance on rail assembly.