Xtralis VESDA VLS - Page 65

Installation
VESDA Student Workbook 3-13
Glue joints
• All joints (except the joint to the detector) should be bonded
using appropriate solvent cement
• Don’t apply solvent cement to the inside of fittings
• Thread the end caps, if possible
• Apply solvent cement on the outside of the pipe
Don’t apply solvent
cement at the pipe entry
Considerations
Pipe Glue
Straight Pipe before Bends?
Test Points
Cutting Pipe
Every 5 Feet Vertical &
Horizontal
20” of Straight Pipe before
First Bend
Always Closed 4’ from Floor
All Fittings Except to Detector
Cut Square only Ratchet or
Wheel Cutters
Supply/Return Grills
• 2”-8” Off Grill
• Rotate Holes
• No Hole in End Cap
Pipe Supports?
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