The end cap is needed to cre ate the proper air flow to the sensor of the duct smoke detector.
Duct smoke detector sampling tube installation.
Sampling tubes install from front or rear of detector compatible with existing accessories 4 contents of the duct smoke detector kit 1.
Installation instructions for the duct smoke detector a.
Standard location when factory mounted will be on the side opposite the damper actuator.
E pdd duct smoke detector installation sheet operation the duct smoke detector s primary purpose is to provide early.
A sampling tube must be ordered to complete the installation.
Do you know if it is a code requirement to support sampling tubes greater than 3 at the opposite end of the duct detector.
High performance hvac on march 11 2020 at 10 27 pm.
Verify this by checking specifications of installation and if necessary use an alnor model 6000p velocity meter or equivalent to check the air velocity.
The end cap is needed to create the proper air flow to the sensor of the duct smoke detector.
Prior to the installation of the damper and smoke detector.
One plastic exhaust tube.
Once any sampling tube length adjustments are made plug the end of the sampling tube with the provided end cap.
Sampling tube installation the ad2 series duct smoke detectors use a specially notched sampling tube which may be ordered separately in one of four standard lengths.
Furthermore intentions for using duct smoke detectors should not be a substitute for area smoke detectors.
Duct smoke detector a.
The sampling tube end cap included with the detector is critical to proper operation of the duct smoke detector.
4 6 p n 3101210 rev 02 iss 28jan13.
The sampling tube end cap included with the detector is critical to proper operation of the duct smoke detector.
The inlet sampling tube is to be located between blades to avoid blockage of the airflow past the tube.
Three 10 sheet metal screws for mounting 3.
See table 1 on page 3 to determine the inlet tube required for different duct widths.
Verify this by checking specifications of installation and if necessary use an alnor model 6000p velocity meter or equivalent to check the air.
It must be the correct length for the width of the duct where it will be installed.
Duct preparation the duct detectors are designed for use in ducts where the air velocities are from 300 to 4000 feet per minute.
Duct detectors smoke detection installation.
Sampling tube assembly see figure 2 the duct detectors are designed for use in ducts where the air velocities are from 300 to 4000 feet per minute.
For proper air sampling duct pressure should be a minimum of 0 01 inches of water.
Once any sampling tube length adjustments are made plug the end of the sampling tube with the provided end cap.
One sampling tube end cap 5.
St 10 for duct widths of 6 to 1 0 st 25 for duct widths of 1 0 to 3 0 st 50 for duct widths of 3 0 to 5 0 requires support.
