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Honeywell HPFF12 Installation And Operation Manual Page 20

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

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