A
NTUNES
Read these instructions carefully before attempting to install, operate or service this
switch.
Failure to observe safety information and comply with instructions could result in per-
sonal injury, death and/or property damage.
To avoid electrical shock or damage to equipment, disconnect power before installing
or servicing.
To avoid potential fire and/or explosion, do not use in potentially flammable or explo-
sive atmosphere.
Retain these instructions for future reference. You must review your application and
national and local codes to ensure that your installation will be functional and safe.
General Information
You are installing one of the finest switches
of its type on the market. Design of this
switch is based on the same principles of
sensitivity, accuracy and dependability that
have made Antunes Controls Air Flow
Switches so successful. These switches are
fully approved. They are UL listed and recog-
nized for the U.S. and Canada, and approved
by Factory Mutual (FM).
The switch is adjustable within its range, as
shown on the range scale located on top of
the unit.
The Model JD-2 is sturdy, compact and cost
effective. All components are well made.
The switch is neat in appearance, in its
durable plastic electrical housing. In every
way you will be pleased with the ease of
installation and the reliability of your Antunes
Controls JD-2 Switch.
Bulletin JD21
C
ONTROLS
INSTALLATION INFORMATION
WARNING
Please read these instructions carefully to
ensure correct installation. This equipment
must be installed by a licensed electrician
who is experienced with combustion safe-
guard control systems and understands the
functions of interlocking switches such as air
and gas pressure switches. Prior to being
put into operation with combustion safeguard
systems, all switches should be tested for
proper range setting and wiring. Check pip-
ing connections and switch housing for leaks
with a soap bubble test. All exhaust fans and
blowers should be inspected and checked for
proper rotation prior to start up. If you have
any problems or questions, phone, fax or
write to Antunes Controls at the numbers list-
ed on the back page of this instruction sheet.
Page 1
MODEL – JD-2
Air Flow Interlocking
Safety Switches
Printed in USA 0599
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