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GGAO-A4-4
Differential Gas Pressure
Switch
Installation Instructions
Table of Contents
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Attention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2
Installation Position . . . . . . . . . . . . . . . . . . . . . . Page 3
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4
Approvals
CSA Certified:
CSA C22.2 No.14
CSA C22.2 No.0
UL 508
File # 2620681
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 fuel gas
codes and standards: NFPA 54
or IFGC (International Fuel Gas
Code) or the following equipment
codes and standards: NFPA 37,
NFPA 85, NFPA 86, ANSI Z83.4/
CSA 3.7, ANSI Z83.18/CSA 4.9,
ANSI Z21.13, CSD-1 and UL 795.
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Summary of Contents for Dungs GGAO-A4-4
-
Page 1: Installation Instructions
GGAO-A4-4 Differential Gas Pressure Switch Installation Instructions Table of Contents Table of Contents ......Page 1 Approvals ....... Page 1 Attention . - Page 2 NEMA Type 4 NEMA Model Description & Part Number Type Version Description Order No. Setting range Switching Factory in. W.C. hysteresis Calibration in. W.C. Gas differential GGAO-A4-4-2 Threaded connection 271329 0.16 - 1.20 ≤ 0.12 pressure switch GGAO-A4-4-3 Threaded connection 271330 0.40 - 4.00 ≤ 0.20 GGAO-A4-4-5...
- Page 3 When installed in other positions, the pressure switch switches at pressure deviating from ± the set reference value by max. 0.2 in. W.C. α Adjustment The scale indicates the setpoint when switch is mounted in the vertical position and increasing pressure. GGAO-A4-4 3 … 5...
- Page 4 Operation & Adjustment Adjusting the Set Point 1. Remove the clear cover � from the switch. � 2. Adjust the switch to the desired set point by turning the � dial. The black arrow on the dial indicates the set point �. 3. After adjusting the set point, verify that the pressure switch operates as intended by using an accurate pressure gauge connected upstram of the switch.
- Page 5 230288 Mounting bracket (metal) (1 pcs) 120 VAC light mounting set (yellow) 231772 24 VDC/VAC light mounting set (yellow) 231774 Replacement conduit adapter M 20 to 1/2” NPT 240671 DIN connector (female plug) 210318 219659 Male plug for DIN connector We reserve the right to make modifications in the course of technical development. Karl Dungs, Inc. Karl Dungs GmbH & Co. KG 3890 Pheasant Ridge Drive NE P.O. Box 12 29 Suite 150 D-73602 Schorndorf, Germany Blaine, MN 55449, U.S.A. Phone + 49 (0)7181-804-0 Phone 763 582-1700 Fax +49 (0)7181-804-166 Fax 763 582-1799 e-mail info@dungs.com...
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