Simplex 4098-9687, Installation Instructions Manual

Page: 16 / 28

10
1. Tape the template (Figure 14) on the duct surface as shown in Figure 8.
Note: Do not position the template with edges angled with respect to air flow
direction (Figure 8).
2. Drill two 1 5/16-inch (33.32 mm) holes (marked “A” in Figure 14) as
located by the template. Remove template after holes have been drilled.
3. If the duct is more than 3 feet (0.9 m) wide, then punch a 1-inch (25.4 mm)
hole in the duct wall directly opposite the upstream 1 5/16-inch (33.32 mm)
hole. See Figure 9. This hole is used to support the inlet tube.
Figure 8. Template Positioning
Inlet Tube Selection
4. Inlet tubes should be selected and cut to length as specified in Table 2
(Page 11). After trimming the inlet tube opposite the slot, tap rubber plug
(supplied) into the trimmed end. See Figure 9.
TUBE SUPPORT HOLE ONLY FOR
DUCTS MORE THAN 3 FEET WIDE
INLET TUBE HOLES
FACE UPSTREAM
OF AIR FLOW
EXHAUST TUBE
DO NOT INSERT RUBBER PLUG
FOR DUCT WIDTHS
3 FEET TO 95 INCHES
FOR DUCT WIDTHS
12 INCHES TO 3 FEET
INLET TUBE HOLES
FACE UPSTREAM
OF AIR FLOW
CUT EXHAUST TUBE TO 1/2 OF
DUCT WIDTH WHEN WIDTH
IS LESS THAN 24"
EXHAUST TUBE
DO NOT INSERT RUBBER PLUG
INSERT RUBBER PLUG
EXPECTED
AIR FLOW
DIRECTION
AIR FLOW
DIRECTION
12"
THIS END OF
INLET TUBE
Figure 9. Inlet Tube Orientation (Mounting Position 2 – See Figure 14)
Continued on next page
Installation,
Continued
Stand Alone Duct Detector
Installation
HORIZONTAL DUCTS OVER 13" HIGH
OR
AIR FLOW
DIRECTION OR
AIR FLOW
DIRECTION
HORIZONTAL DUCTS UNDER 13" HIGH
OR
AIR FLOW
DIRECTION
VERTICAL
DUCTS
NEVER MOUNT AT AN ANGLE
WITH RESPECT TO AIR FLOW
NO
firealarmresources.com