Table of Contents
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AA...A1
Differential Air Pressure
Switch
Installation Instructions
Table of Contents
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Attention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3
Pressure Connection . . . . . . . . . . . . . . . . . . . . . Page 3
Installation Position . . . . . . . . . . . . . . . . . . . . . . Page 4
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4
Approvals
UL Recognized: UL 353
File # MH16628
CSA Certified: CSA C22.2 No. 14
File # 201527
FM Approved: Class 3510, 3530
File # J.I. 1T7A8.AF
Commonwealth of Massachusetts Approved Product Approval code G3-0106-191
Attention
Explanation of symbols
1, 2, 3 ...
= Action
•
= Instruction
1 ... 5
USA
CDN
The installation and maintenance
of this product must be done
under the supervision of an ex-
perienced and trained specialist.
Never perform work if gas pres-
sure or power is applied, or in
the presence of an open flame.
Please read the instruction be-
fore installing or operating. Keep
the instruction in a safe place. You
find the instruction also at www.
dungs.com. If these instructions
are not heeded, the result may
be personal injury or damage to
property.
Any adjustment and application-
specific adjustment values must
be made in accordance with
the equipment manufacturers
instructions.
[V] [A]
[Hz] [VA]
Safety
first
O.K.
IFGC
CSA
UL
ANSI
NFPA
Check the ratings in the specifica-
tions to verify that they are suit-
able for your application.
On completion of work on the
pressure switch, perform a leak-
age and function test.
This product is intended for
installations covered by, but not
limited to, the following codes
and standards: NFPA 86, ANSI
Z83.4/CSA 3.7, ANSI Z83.18/CSA
4.9, ANSI Z21.13, CSD-1, UL 795,
CSA B149.1 or CSA B149.3
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Table of Contents
Related Manuals for Dungs AA-A1-0 Series
Summary of Contents for Dungs AA-A1-0 Series
-
Page 1: Table Of Contents
On completion of work on the Safety fore installing or operating. Keep pressure switch, perform a leak- first age and function test. the instruction in a safe place. You O.K. find the instruction also at www. dungs.com. If these instructions are not heeded, the result may be personal injury or damage to property. Any adjustment and application- This product is intended for IFGC specific adjustment values must installations covered by, but not be made in accordance with... -
Page 2: Specifications
Specifications AA...A1 SPDT differential pressure switch in pressure and vacuum ranges. The differential pressure acts via the diaphragm against the force of the setting spring on the micro-switch. The pressure switch operates without any auxiliary power. Max. Operating Pressure Ambient / Medium Temperature °F MOP = 1.5 PSI (103 mbar) -40 °F ... -
Page 3: Operation
Operation Definition of switching Pressure hysteresis ∆p Setpoint tolerance at meter The pressure difference between the Upper switching upper and lower switching pressures. pressure Lower switching pressure Pressure Connection Connection p2 (–) = lower pressure Connection p1 (+) = higher pressure AA...A1 Mounting Procedure • Use suitable hoses for the medium. • Use a maximum 5/32” ID hose •... -
Page 4: Installation Position
Installation Position Standard installation position is vertical upright diaphragm. When installed horizontally, the pressure switch switches at a pressure higher by approx. 0.2 in. W.C. When installed upside down, the pressure switch switches at a pressure lower by approx. 0.2 in. W.C. When installed in other positions, the pressure switch switches at pressure deviating from the set reference value by max. -
Page 5: Operation & Adjustment
230216 NEMA Type 1 Cover (77 pcs) 231432 NEMA Type 2 Cover (1pcs) 230280 NEMA Type 2 Cover (200 pcs) 250107 NEMA Type 12 cover with 1/2 NPT conduit connection 225816 We reserve the right to make modifications in the course of technical development. Karl Dungs GmbH & Co. KG Karl Dungs, Inc. 3890 Pheasant Ridge Drive NE P.O. Box 12 29 D-73602 Schorndorf, Germany Suite 150 Phone + 49 (0)7181-804-0 Blaine, MN 55449, U.S.A. Fax +49 (0)7181-804-166 Phone 763 582-1700 e-mail info@dungs.com...
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