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CP-UM-5957E
High Power Igniter
Model S720B
User’s Manual
Thank you for purchasing Azbil product.
This manual contains information for ensuring the safe and
correct use of the product. Those designing or maintaining
the equipment that uses the product should first read and
understand this user’s manual.
Be sure to keep it nearby for handy reference.
Please read “Terms and Conditions” from the following URL
before ordering and use.
https://www.azbil.com/products/factory/order.html
NOTICE
Please make sure that this manual is available to the user of
the product.
Unauthorized duplication of this user’s manual in part or in
whole is forbidden. The information and specifications in this
manual are subject to change without notice.
Considerable effort has been made to ensure that this
manual is complete and accurate, but if you should find an
omission or error, please contact us.
In no event is Azbil Corporation liable to anyone for any
indirect, special, or consequential damages as a result of
using this product.
SAFETY PRECAUTIONS
Safety precautions are for ensuring safe and correct use of
this product, and for preventing injury to the operator and
other people or damage to property. You must observe these
safety precautions. Also, be sure to read and understand the
contents of this user’s manual.
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Key to symbols
WARNING
Warnings are indicated when mishandling this prod-
uct may result in death or serious injury.
CAUTION
Cautions are indicated when mishandling this product
may result in minor injury or property damage.
WARNING
Electrical Shock Hazard.
Can cause serious injury, death or property damage.
Disconnect power supply before beginning installation
to prevent electrical shock and equipment damage.
More than one disconnect may be required.
Never operate this device without having connected
the electrode. Otherwise electrical shock may occur.
Connect the ground terminal.
Otherwise in rare cases electrical noise that affects
other equipment could be generated, or the operator
could receive an electric shock if a ground fault occurs.
OVERVIEW
The S720B High Power Igniter is used to ignite gas burners in com-
mercial and industrial applications.
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Ignites interrupted gas pilots with ignition electrodes spacings
between: 0.029 to 0.125 inches (0.7 to 3.2 mm).
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S720B1006 has 14 kV output peak voltage for reliable light-off.
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Recommended for interrupted ignition applications only.
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Mounts in the same space used by conventional ignition
transformer.
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Withstands 90% relative humidity at 104 °F (40 °C).
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Weighs 1 pound (0.42 kilogram) versus up to 8-1/2 pounds (3.9
kilograms) for standard transformers.
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Meets UL requirements for radio frequency interference (RFI).
INSTALLATION
WARNING
Electrical Shock Hazard.
Can cause serious injury, death or property damage.
Disconnect power supply before beginning installation
to prevent electrical shock and equipment damage.
More than one disconnect may be required.
CAUTION
Equipment Damage Hazard.
Improper grounding may burn out device.
Ground S720B chassis at all times, even for bench
testing. Otherwise, device may burn out.
(1) Read these instructions carefully. Failure to follow them
could damage the product or cause a hazardous condition.
(2) Check the ratings given in the instructions and on the prod-
uct to make sure the product is suitable for your application.
(3) Installer must be a trained, experienced, flame safeguard
control technician.
(4) After installation is complete, check out product operation
as provided in these instructions.