Home and Building Control | 2nd Ave 7800 Series manual

7800 SERIES RELAY MODULES

Home and Building Control	Home and Building Control
Honeywell Inc.	Honeywell Limited-Honeywell Limitée
Honeywell Plaza	155 Gordon Baker Road
P.O. Box 524	North York, Ontario
Minneapolis MN 55408-0524	M2H 3N7

	Printed in U.S.A. on recycled
65-0229—1G.R. Rev. 4-98	paper containing at least 10%	www.honeywell.com
65-0229—1G.R. Rev. 4-98	post-consumer20paper fibers.	www.honeywell.com

Image 20

2nd Ave 7800 Series installation instructions Home and Building Control

Contents

System Checkout Equipment RecommendedCheckout Summary Explosion Hazard Can cause serious injury or death Flame Signal Measurement Initial Lightoff ChecksPreliminary Inspection 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 Flame Signal With Hot Combustion Chamber All Installations Ignition Spark Response Test ALL Ultraviolet Detectors Troubleshooting System Diagnostics Keyboard Display Module Sequence and Status Hold Messages Postpurge mmss Pilot IGN mmssMain IGN mmss Running on slow ac Reset and sequence the relay module Prepurge Hold and Fault Message SummaryFault Code System Failure Recommended Troubleshooting Inspect the fan make sure there is no blockage of the air Prepurge RM7838A Explosion Hazard Can cause explosion, serious injury or death This fault indicates Remove power to the device Flame amplifier Unused faults Relay Module self-test Reset and sequence the relay module Series Relay Modules Home and Building Control