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DWYER MAGNEHELIC AND
PHOTOHELIC GAUGES
INSTALLATION, OPERATION
& MAINTENANCE MANUAL
Mac Process LLC Corporate Office
th
7901 NW 107
Terrace
Kansas City, MO 64153
Manufacturing Plant Addresses:
810 S. Old 75 Hwy; P.O. Box 205
Sabetha, KS 66534
13813 FM 529
Houston, TX 77041
Sales, Parts & Service: 1-888-821-2476
www.macprocessllc.com
Publication: MAN5005F
Revision Date: 07/03/12
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Table of Contents
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Summary of Contents for Dwyer Instruments Photohelic A3000 Series
- Page 1 DWYER MAGNEHELIC AND PHOTOHELIC GAUGES INSTALLATION, OPERATION & MAINTENANCE MANUAL Mac Process LLC Corporate Office 7901 NW 107 Terrace Kansas City, MO 64153 Manufacturing Plant Addresses: 810 S. Old 75 Hwy; P.O. Box 205 Sabetha, KS 66534 13813 FM 529 Houston, TX 77041 Sales, Parts &...
- Page 3 Service to your filter should not be performed based on the information i this publication alone. The information contained within this manual is intended to be supplemental to the filter installation, Operation and Maintenance Manual, which should be com pletely read and understood before attempting installation or service.
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Page 4: Specifications
See Medium and High pressure options. Note: May be used with hydrogen when ordering Buna-N diaphragm. Pressure must be less than 35 psi. Phone: 219/879-8000 www.dwyer-inst.com DWYER INSTRUMENTS, INC. Fax: 219/872-9057 e-mail: info@dwyer-inst.com P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361 U.S.A. -
Page 5: Installation
Note that the zero check or adjustment can only be made with the high and low pressure taps both open to atmosphere. Phone: 219/879-8000 www.dwyer-inst.com DWYER INSTRUMENTS, INC. Fax: 219/872-9057 e-mail: info@dwyer-inst.com P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361 U.S.A. -
Page 6: Switch Specifications
Agency Approvals: UL: File No. E38121, Vol. 1, Sec. 4; CSA: Fig. B File No. LR22541-34; CE: EN 61000-6-2: 1999, EN 6100-3-2: 2000, EN 61000-3-3: 2000. DWYER INSTRUMENTS, INC. Phone: 219/879-8000 www.dwyer-inst.com P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. - Page 7 This will allow the reference pressure to enter. In this case, mounted relay) units, the amplifier-relay package will be furnished installation of a Dwyer Instruments, Inc. No. A-331 Filter Vent Plug attached to a mounting plate as shown in Fig. E. Use the hole lay- or similar fitting in the reference pressure tap is recommended to out in Fig.
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Page 8: Electrical Connections
Section E contains the power connections for the control unit ELECTRICAL CONNECTIONS transformer primary. The transformer in turn supplies reduced 1. Cover: The amplifier-relay unit has an easy to remove housing. voltage power for the LED, phototransistor, amplifier unit, and Remove the three (3) screws as shown in Fig. -
Page 9: Maintenance And Service
(RGA) number graph 6 above. before shipping. ©Copyright 2009 Dwyer Instruments, Inc. Printed in U.S.A. 7/09 FR# 13-440202-04 Rev. 5 DWYER INSTRUMENTS, INC.
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