2-9
The 4098-9788 base mounts to a 4-inch octagonal, 4-inch square, or single gang electrical box.
When mounting to a 4-inch square or any surface mounted box, the 4098-9832 adapter plate kit
must be used.
4" (10.16cm x 1 1/2" DEEP)
SQUARE
ELECTRICAL BOX
(NOT SUPPLIED)
RACO 787
ADAPTER BRACKET
OR EQUIVALENT
(NOT SUPPLIED)
#6-32 x 1 1/4"
PANHEAD SCREW
(TIGHTEN TO 4-6 in.-lbs.)
BASE
4098-9832
ADAPTER PLATE KIT
(REQUIRED FOR 4" SQUARE/
OCTAGONAL SURFACE MOUNTED
ELECTRICAL BOX)
SENSOR
(AS REQUIRED)
SEE NOTES 1 AND 2
ALL BASES FLUSH MOUNTED
(BOX TO BE FLUSH OR RECESSED 1/4 " MAX )
4098-9789, -9791, -9792, -9796
AND ALL DETECTOR BASES FLUSH MOUNTED
(BOX TO BE FLUSH MOUNTED OR RECESSED 1/4" MAX)
4098-9794, AND 4098-9795 ONLY
FLUSH MOUNTED
(BOX WITH ADAPTER BRACKET TO
BE FLUSH OR RECESSED 1/4" MAX)
4" (10.16cm x 1 1/2" DEEP)
OCTAGONAL
ELECTRICAL BOX
( NOT SUPPLIED)
# 8 x 1" THREAD FORMING
PANHEAD SCREW
(TIGHTEN TO 4-6 in.-lbs.)
# 8-32 x 1 1/4"
PANHEAD MACHINE
SCREW
(TIGHTEN UNTIL SNUG,
1-3 in.-lbs.)
# 8-32 x 1 1/4"
PANHEAD MACHINE
SCREW
(TIGHTEN TO 4-6 in.-lbs.)
CLOCKWISE
FOR ATTACHMENT
# 6-32 SCREW
WITH WASHER
(NOT SUPPLIED)
SINGLE GANG (2 1/8" DEEP)
ELECTRICAL BOX
(NOT SUPPLIED)
BASE
(SEE NOTE 4)
Figure 2-1. Typical Detector/Sensor Mounting
Notes:
1. Break off plastic lock tab to engage locking mechanism. To lock detector/sensor into base,
turn unit until the locking tab clicks into place. To unlock detector/sensor, insert the blade of a
screwdriver into this slot and then pull down on handle. This action allows the detector/sensor
to be turned and removed (see Figure 2-1).
2. Refer to the “Compatibility and Testing” chapter of this publication for detailed information
on compatible detectors/sensors.
3. Bases with relay modules require a 1 ½-inch extension ring (not supplied) mounted to the
4-inch square or octagonal electrical box to meet the space requirement of the relay cube and
its wires. The relay module(s) cannot be used in single-gang electrical box installations. The
relay cube 4098-9822 must be installed in the electrical box directly behind the sensor base.
4. Use Adapter Plate Kit 4098-9832 when mounting the 4098-9794 and 4098-9795 to a surface
mounted 4-inch square or octagonal box. Adapter plates must be installed with textured side
towards the electrical box for this installation only.
Continued on next page
4098 Bases,
Continued
Mounting
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