Features
• Performs leak test of the gas shut-off valves before start-up and/or immediately
after burner shut-down
• No inlet gas pressure limitations
• Easy-to-read dial indicates progress of test program
• Ability to eliminate or leak test the vent valve
• Cost effective control improves system safety
• Globally Approved – cULus, FM, CE
The LDU11... control detects leakage of the shut-off valves on gas trains with two safety shutoff valves. During each burner cycle, the LDU control unit automatically sequences, and if a leak is detected, initiates a lockout and prevents the burner from starting up