Antunes FAB-010 Installation Manual
A. J. ANTUNES & CO. www.ajantunes.com 180 Kehoe Blvd., Carol Stream, Illinois 60188
1/2” Conduit
Knockout
Pressure
(76 mm)
2 5/16"
(59 mm)
Versa Plus Air Pressure Switches Installation Information
IMPORTANT
Please read these instructions carefully to assure
correct installation. This equipment must be
installed only by a licensed electrician who is
experienced with combustion safeguard control
systems and understands the functions of interlocking switches, such as gas pressure switches.
Prior to being put into operation in conjunction
with the combustion safeguard systems, all
switches should be tested for proper range setting
and proper wiring. Check piping connections and
switch house for leaks with a soap bubble test. All
exhaust fans and blowers should be inspected and
checked for proper rotation prior to starting up.
Versa Plus Air Pressure Switches
Antunes Controls new line of Versa Plus Air pressure
switches monitor positive, vacuum, or differential air pressures. The integrated contacts make or break the circuit
to the desired set point. The large adjustment knob provides set point indication and aids in ease of adjustment.
The Versa Plus Air series can be factory adjusted for
applications that require other differential settings.
Specifications
Electrical Ratings: 6A @ 120 VAC, 6A @ 240 VAC,
1/8 HP, 120 & 240 VAC. Integrated S.P.D.T. contacts.
Adjustable Operating Pressure: 0.2 to 110 mbar
(different ranges)
Max. Surge Pressure: 7 PSI (482 mbar)
Pressure Connections: 1/8” NPT positive & vacuum
ports; 1/4” hose barb OD.
Ambient Operating Temperature: 5°F to 180°F
(-15°C to 82°C)
Field wiring to be rated @ 90°C (194°F) for maximum
ambient
Shipping Weight: 0.5 lbs. (.227 kg)
Options:
Mounting brackets can be oriented in any of the 90°
positions.
Dimensions
3"
(76 mm)
3"
Note: Dimensions are for reference only.
1/2” Conduit
Knockout
2 5/16"
(59 mm)
Ranges Available
Model Part No. W.C. mbar
NPT Switches (activate on pressure fall/vertical mount)
FAN 1.2 8281001003 .08”–.48” 0.2–1.2
FAN 010 8281002010 .48”–4” 1.2–10
NPT Switches (activate on pressure rise/horizontal mount)
FAN 050 8281003050 1”–20” 2.5–50
FAN 110 8281004110 4.8”–44” 12-110
Hose Barb Switches (activate on pressure fall/vertical mount)
FAB 1.2 8291001003 .08”–.48” 0.2–1.2
FAB 010 8291002010 .48”–4” 1.2–10
Hose Barb Switches (activate on pressure rise/horizontal mount)
FAB 050 8291003050 1”–20” 2.5–50
FAB 110 8291004110 4.8”–44” 12–110
Installation
All switches are tested at the factory in a vertical position.
Mounting diaphragm in vertical position is the preferred
method.
Air Connection
Tubing recommended as minimums: 1/4” copper or aluminum tubing, or 1/8” pipe.
All tubing and pipe must be clean and free from oil, dirt,
and chips. If piping runs over five feet long, use larger
size tubing or pipe and reduce size at switch connection.
1-630-784-1000 Fax: 630-784-1651 Page 1 of 4 P/N 1011062 Rev. A 06/10
1-800-253-2991
A. J. ANTUNES & CO. www.ajantunes.com 180 Kehoe Blvd., Carol Stream, Illinois 60188
Versa Plus Air Pressure Switches Installation Information
Air Supply
Connect the switches as shown in the drawings below.
Always leave unused ports open to atmosphere.
DIFFERENTIAL
NPT Base
High Vacuum or
Low Pressure
PRESSURE ONLY
Hose Barb Base
NPT Base
Pressure Connection
Low Vacuum or
High Pressure
Maintenance
No specific maintenance is required. However, it is recommended that all wiring be inspected for loose connections and damaged wires. Disconnect power to the panel
before performing any maintenance. Replace any damaged wires and tighten all connections.
Warranty
1. Antunes Controls products are guaranteed to be free
from mechanical and electrical defects for a period of
one year from date of shipment under normal use and
service provided installation is made in accordance
with manufacturers’ recommendations.
2. Parts deemed defective shall be repaired or replaced
at manufacturers option and at manufacturers expense
but shall not include foreign or federal excise taxes,
state or municipal sale or use taxes, all such taxes
not limited to the foregoing being responsibility of the
purchaser.
3. No charge for travel and/or mileage will be allowed to
purchaser.
4. Antunes Controls reserves the right to make changes
in design or make any improvements on any products.
The right is always reserved to modify our equipment
because of new technology, underwriter’s requirements
and/or government regulations.
5. The following are not covered under warranty:
a. Failure from neglect, abuse, careless handling and
mis-application of unit.
b. Failure to observe guidelines for installation or
improper voltage hook-up.
c. Failure caused by improper maintenance.
Hose Barb Base
d. Unless specifically allowed by Antunes Controls, no
other charges may be included under warranty.
VACUUM ONLY
Limitation of Liability: If it is understood and agreed
that seller’s liability whether in contract, in tort, under
any warranty, in negligence or otherwise, shall not
exceed the return of the amount of the purchase price
NPT Base
paid by purchaser and under no circumstances shall
seller be liable for special, indirect or consequential
Vacuum Connection
damages. The price stated for the equipment is a
consideration in limiting seller’s liability. No action,
regardless of form, arising out of the transactions may
be brought by purchaser more than one year after the
cause of action has accrued.
Hose Barb Base
1-630-784-1000 Fax: 630-784-1651 Page 2 of 4 P/N 1011062 Rev. A 06/10
1-800-253-2991
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