Honeywell S8910U User Manual

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Honeywell S8910U Universal Hot Surface Ignition Module
User Manual
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Contents [ hide
1 Honeywell S8910U Universal Hot Surface Ignition Module User
Manual
2 APPLICATION
3 FEATURES
4 SPECIFICATIONS
5 ORDERING INFORMATION
6 REVIEW THE INSTALLATION
7 INSTALLATION
8 STARTUP AND CHECKOUT
9 MAINTENANCE
10 OPERATION
11 TROUBLESHOOTING
11.1 File Downloads
11.2 References
11.3 Related Manuals
Honeywell S8910U Universal Hot Surface Ignition Module User Manual

Honeywell S8910U Specifications

General

Brand	Honeywell
Model	S8910U
Category	Control Unit
Language	English

Summary

APPLICATION

REVIEW THE INSTALLATION

INSTALLATION

Mount New Ignition Module

Guidance on mounting the new S8910U module, considering environmental factors and orientation.

Install Selection Tab

Wire the Module

Instructions on how to correctly wire the S8910U ignition module.

STARTUP AND CHECKOUT

Gas Leak Test

Check Safety Lockout Operation

MAINTENANCE

OPERATION

Purge/Prepurge

Igniter Warmup

Trial for Ignition

Explains the ignition trial time and flame sensing process for burner ignition.

Burner Operation

Describes how the flame sensor detects flame and holds the gas control open.

Safety Shutdown

Explains safety shutdown procedures for one-trial and three-trial systems.

TROUBLESHOOTING

Status LED Used to Troubleshoot

Explains how to use the status LED to diagnose system status and errors.

Ignition System Checks

Guides for checking the igniter wire harness, grounding, and flame sensing circuit to troubleshoot issues.