User's Manual

Component Descriptions
September 2013 2-34 P/N 81-CO2MAN-001
Figure 2-38. Heat Actuated Detector (HAD), Industrial
2-3.6.3 HEAT COLLECTOR
The heat collector, Part No. WK-312720-000 (Figure 2-39), is a 16-inch square baffle plate
constructed of 18 gauge galvanized steel and is used to capture rising heated air and
combustion products generated by a fire. The heat collector is used when the HADs cannot be
mounted at ceiling level.
7-3/8 in.
(188 mm)
1/4 in.
(6 mm)
SLOT FOR
MOUNTING SCREW
1-3/4 in.
(45 mm)
1/2 in. EMT CONNECTOR (TYP)
1/2 in. EMT (TYP)
1/8 in. TUBING
1/8 in. TUBING UNION
(SUPPLIED WITH DETECTOR)
CHAMBER
LOWER CAGE
5-5/16 in.
(135 mm)
2-7/8 in.
(73 mm)
UPPER CAGE
MOUNTING
BRACKET