System Sensor DH100ACDCP 4Contents Of The Duct Smoke Detector Kit, 5Installation Sequence

[3] Figure 1. Exploded View Of Duct Smoke Detector Components:

FOAM

GASKETS

	CONDUIT HOLES
	DETECTOR
	HOUSING
PLASTIC
SAMPLING TUBE	TERMINAL STRIP
PLASTIC SAMPLING TUBE	POWER BOARD
SELF-TAPPING SCREW

DETECTOR BOARD

SAMPLING TUBE

FILTERS

DETECTOR

COVER

COVER MOUNTING

SCREWS

[4]Contents Of The Duct Smoke Detector Kit

1. Complete housing base and cover assembly

2. Two #10⋅11⁄4″ sheet metal screws for mounting

3. Two sampling tube filters

4. One test magnet

5. Drilling template

6. Two foam gaskets

7. Four #6-self tapping mounting screws for the metal sampling tube and optional exhaust tube extension

8. One inlet tube end plug

9. One plastic sampling tube

10. One #8 self-tapping screw for the plastic sampling tube NOTE: For ducts over 11⁄2 feet, longer inlet sampling tubes must be ordered to complete the installation. They must be the correct length for the width of the duct where they will be installed. See Table 1 on page 3 to determine the inlet tube required for different

duct widths.

[5]Installation Sequence

[5.1] Verify Duct Air Flow Direction And Velocity Model DH100ACDCP detectors are designed to be used in air handling systems having air velocities of 500 to 4000 feet per minute. Be sure to check engineering specifications to ensure that the air velocity in the duct falls within these parameters. If necessary, use a velocity meter to check the air velocity in the duct.

[5.2] Drill The Mounting Holes

Remove the paper backing from the mounting template supplied. Affix the template to the duct at the desired mounting location. Make sure the template lies flat and smooth on the duct. Center punch holes A and B. Drill the holes as indicated on the template.

[5.2.1] Sampling Tube Installation for Ducts Less Than 11⁄2 Feet Wide (see Figure 2)

1.Remove the front cover.

2.Slide the plastic sampling tube into the housing bushing.

3.Align the holes in the bushing with the holes in the sampling tube. Make sure there are 6 exposed holes on the plastic sampling tube. Secure with the #8 self-tapping screw into the bottom of the permanent tube (shown in Fig. 1).

NOTE: For ducts greater than 11⁄2 feet in width, refer to sections [5.4.1] and [5.4.2].

Figure 2. Plastic sampling tube connected to duct smoke detector:

[5.3] Secure The Detector Housing To The Duct

Slide the foam gaskets over the tube bushings as shown in Figure 3. Use the two 11⁄4″ long sheet metal screws to screw the detector housing to the duct.

CAUTION: Do not overtighten the screws.

D100-68-00 2 I56-1147-12R