1. S8910U1000 Universal Electronic Ignition Modules Training Module

2. What you will learn Ignition Types S8910U1000
Features and Benefits
Installation and Set Up
Troubleshooting
S8910U Advantage
Product Cross Reference Information

3. Ignition Sources There are 3 different ways a burner can be ignited:
1) Standing Pilot Ignition
2) Intermittent Pilot Ignition
Intermittent Pilot - S8610U
3) Direct Burner Ignition
Hot Surface Ignition – S8910U
Direct Spark Ignition – S87

4. S8910U1000

5. Universal Hot Surface Ignition Module
What is the S8910U1000?
Electronic control of direct hot surface Ignition systems used on gas fired furnaces, boilers, and other heating appliances
Operating control of a direct ignition system using a 120 Vac hot surface igniter
No spark generator
Simple relay to power igniter
Two wires to gas valve
One Part Number:
S8910U1000

6. S8910U Features – The Universal Choice
Universal Compatibility
Replaces over 100 Honeywell and competitor models.
“Personality” Plug-Ins- match the ignition sequence of the model being replaced using the plug in selector tabs and cross reference chart for an instant equivalent of the old control.
Application Flexibility
Use with Single Rod or Dual Rod Systems
Works with both Natural or LP gas
Easy Installation
Easy-to-use instructions plus the adaptation accessories required to adapt the existing hot surface ignition module
Accessory kit includes: White-Rodgers adapter, Robertshaw ground lead, four ¼” female .032 quick-connects, one 3/16” female .032 quick connects, four selection tabs and seven wire labels.

7. The Universal Choice continued…..
LED diagnostics
Quickly troubleshoot and diagnose any problems with the system
Ignition Trials
Provides one or three ignition trials (4-second or 7-second trials) per call for heat
Prepurge of 32-seconds or less
Up to 90-seconds between purge cycle times
Excellent industry acceptance
The Honeywell brand is recognized as a top performer in the industry

8. S8910U Features BRN/GND 24 GND LED SENSE MV MV 24 V
IGNITION TRIAL SELECTOR TAB
HOT SURFACE IGNITER
SENSE JUMPER WIRE

9. Installation and Set Up

10. Installation of the S8910U Mount the module
Do not mount with terminals facing up
protect the module from exposure to water, moisture, corrosive chemicals and excessive dust and grease.
Install selection tab (“personality plug-ins”)
The number of trials for ignition and trial time is determined by the selection tabs.
Four selection tabs are included with the S8910U. (A,B,C,D)
Without a selection tab, the module operates at four-second trial time and one ignition.
Selection tabs A and B — 4 seconds.
Selection tabs C and D — 7 seconds.
Wire the module
Use diagrams in installation instructions for wiring

11. Selection Tab Installation
See Tables 1 through 3 in installation instructions (Form ) for correct tab selection.
Select and Install the correct tab, push firmly in place and discard the remaining tabs.

12. Selection Tab Cross Reference

13. S8910U HOT SURFACE IGNITION
Select Timing & Tries
GND
24V
VALVE
LED L2
HSI L1
SENSE
! WARNING
Honeywell
TRIAL: 7 SEC
1 TRY
(C)
S8910U HOT SURFACE IGNITION

14. Troubleshooting

15. S8910U HOT SURFACE IGNITION
LED Indicator Light
LED
GND
24V
VALVE
LED L2
HSI L1
SENSE
! WARNING
Flashes Meaning
Pulse Normal operation
1 Lockout
2 Flame signal
3 Internal
Honeywell
S8910U HOT SURFACE IGNITION

16. Troubleshooting of the S8910U
LED shows system status for the current call for heat:
Pulsing heartbeat is the normal operating mode during a call for heat (24V terminal is powered). The system can be in any of the normal operating modes including prepurge, warm-up, ignition trial, between trial purge, or normal run.
One flash indicates the S8910U is in an ignition lockout mode. The most probable cause is the main burner failing to light or failure to detect the flame. Run the appliance through a call for heat and if the burner does not light, check the:
gas supply
input voltage
hot surface igniter
gas control
Wiring
If the main burner lights, but goes out at the end of ignition trial, check the:
igniter/sensor
flame rod
burner ground connections
wiring

17. Troubleshooting of the S8910U
LED – Continued
Two flashes indicates the flame rectification signal is weak. The most probable causes are:
contaminated or mis-located igniter/sensor or flame rod
poor flame sense lead-wire insulation or connections
poor gas pressure
If the flame rectification signal is strong when the appliance lights, but weak while heat is being delivered, check for overheating of the igniter/sensor, flame rod ceramic or flame sense leadwires.
Three flashes indicate an internal error. The most probable cause is an S8910U logic failure. Start a new call for heat and if the three-flash signal returns, replace the S8910U.

18. Product Cross Reference

19. Product Cross Reference
Where do I find Honeywell electronic ignition cross reference and selection information?
Honeywell Application Selection and Cross
Reference Guide – Form
Honeywell Laminated Truck Visor – Form
Honeywell Gas Counter Mat – Form
Honeywell Residential Technical Support:

20. Product Cross Reference Guide
Forms and – information also found in product installation sheets.

21.
See Cross Reference Search box in right column

22. The S8910U Advantage
When promoting the S8910U keep these advantages in mind:
The S8910U replaces over 100 Honeywell and competitor’s ignition modules; reduces inventory by stocking one versus many and saves time and money looking for the right part.
Easy to use instructions and adaptation accessories saves the contractor valuable time and resources.
Personality” Plug-Ins - match the ignition sequence of the model being replaced using the plug in selector tabs for a true Universal replacement.
The S8910 is application flexible and can be used with single rod or dual rod systems, and natural or LP gas.
The diagnostic LED makes troubleshooting simple, identifying ignition lockout, flame rectification signal and control failure, solving the problem quickly and satisfying the customer.

23. S8910U Universal Electronic Ignition Knowledge Test

24. Universal Electronic Ignition Knowledge Test
Now that you completed this training module, take the short quiz to test your knowledge.

25. Test The S8910U1000 is a hot surface ignition module? T or F
The S8910U is application flexible and works with single or dual rod systems? T or F
The S8910U can be used with LP gas only? T or F
The LED light displays the following: normal operation, lockout, weak flame signal and internal error? T or F
If the internal error signal is still present after a new call for heat the S8910 can be repaired, it does not have to be replaced? T or F

26. Test
The S8910U has “personality plug-ins” to match the ignition sequence of the control being replaced? T or F
An ignition sequence must be chosen as there is no factory set sequence? T or F
The adaptation accessory kit includes parts to convert from White Rodgers and Robertshaw controls? T or F
The Honeywell S8910U replaces over one hundred Honeywell and competitive ignition modules? T or F
The Honeywell S8910U is widely recognized in the industry as a top performer in the industry? T or F

27. Answer Key T F