2nd Ave 7800 Series

7800 SERIES RELAY MODULES

19 65-0229—1

Contents

Main CHECKOUT AND TEST 7800 SERIES Relay Modules SYSTEM CHECKOUT CAUTION Equipment Recommended Checkout Summary INITIAL LIGHTOFF CHECKS Proved Pilot Systems Direct Spark Ignition Systems PILOT TURNDOWN TEST (ALL INSTALLATIONS USING A PILOT) IGNITION INTERFERENCE TEST (ALL FLAME RODS) To Eliminate Ignition Interference Do not open the master switch Hot Refractory Saturation Test (All Infrared Detectors) Hot Refractory Hold-in Test (Rectifying Photocell, Infrared Detectors, Ultraviolet Detectors) IGNITION SPARK RESPONSE TEST (ALL ULTRAVIOLET DETECTORS) Response To Other Ultraviolet Sources Flame Signal With Hot Combustion Chamber (All Installations) SAFETY SHUTDOWN TESTS (ALL INSTALLATIONS) 7800 SERIES RELAY MODULES TROUBLESHOOTING System Diagnostics Diagnostic Information Index Historical Information Index 7800 SERIES RELAY MODULES Page Page Page Page Page Page Page Page Page cannot must