Honeywell HPFF12 - Page 20

20 HPFF12 NAC Expander — P/N 53576:B 11/24/2010
Installation Backbox Mounting
Figure 2.3 FACP Cabinet-Mounting Details: Backbox-Mounting Holes and Chassis-
Mounting Studs (EQBB-D4 shown)
HPFF8LargeEqpt.wmf
Chassis-
mounting
studs
(2 per row of
backbox)
Keyholes
2 places
Mounting holes
2 places
45-7/8"
(116.52)
37-1/32"
(94.06)
45-3/4"
(116.21)
24-1/8" (61.28)
16" (40.64)
(10.16)
4"
24" (60.96)
1-5/8"
(4.13)
2-1/4"
(5.72)
2-1/4"
(5.72)
5/16" dia.
(0.79)
5/16" dia.
(0.79)
19-1/2" (49.53)
5-5/32"
(13.1)
2-1/16"
(5.24)
2-5/8"
(6.604)
Top knockout:
Inner 1.375" (3.49)
Outer 1.750" (4.45)
Four lower knockouts
Inner 0.875" (2.22)
Outer 1.125" (2.86)
11-1/2"
) (29.21
1-7/8”
(4.699)
2"
)
(5.08
1”
)
(2.54
11"
)
(27.94
11"
)
(27.94
eqcab-d.wmf
Four rows of
Equipment
cab4keyhole.wmf
Top View of Backbox
6857ko.wmf
Keyhole dimensions
Height of
mounting bolt
after installation
NOTE: See EQ Series Install Sheet PN 53412 for door-mounting details and measurements
for B and C size backboxes.