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S9361A207X INTEGRATED BOILER CONTROLLERS
Security Notice
S93xx products contain electronics and software. Care should be taken by the installer / facility management to
guard against unauthorized access to the control and its wiring.
Unauthorized access to change wiring, replace parts, or change device hardware or software is not permitted.
Failure to do so may pose a safety risk. Tamper evident tape has been placed on the bulk pack box to indicate if
the package was opened. Do not accept or use product received with damaged or missing tape. Reverse
engineering or modification of device is not permitted and may pose a safety risk.
Home and Building Technologies
In the U.S.:
Honeywell
715 Peachtree Street NE
Atlanta, GA 30308
customer.honeywell.com
APPEARANCE
SMALL BLUE FLAME
LAZY YELLOW FLAME
WAVING BLUE FLAME
NOISY LIFTING
BLOWING FLAME
HARD SHARP FLAME
Fig. 9. Examples of unsatisfactory pilot flames.
® U.S. Registered Trademark
© 2017 Honeywell International Inc.
69-2751—05 M.S. Rev. 12-17
Printed in United States
CAUSE
CHECK FOR LACK OF GAS FROM:
• CLOGGED ORIFICE FILTER
• CLOGGED PILOT FILTER
• LOW GAS SUPPLY PRESSURE
• PILOT ADJUSTMENT AT MINIMUM
CHECK FOR LACK OF AIR FROM:
• DIRTY ORIFICE
• DIRTY LINT SCREEN, IF USED
• DIRTY PRIMARY AIR OPENING,
IF THERE IS ONE
• PILOT ADJUSTMENT AT MINIMUM
CHECK FOR:
• EXCESSIVE DRAFT AT PILOT
LOCATION
• RECIRCULATING PRODUCTS
OF COMBUSTION
CHECK FOR:
• HIGH GAS PRESSURE
THIS FLAME IS CHARACTERISTIC
OF MANUFACTURED GAS
CHECK FOR:
• HIGH GAS PRESSURE
• ORIFICE TOO SMALL
M3272A
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