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Manual Honeywell C645A-E

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  • Honeywell C645A-E - page 1

    Copyright © 1995 Honeywell Inc. • All Rights Reserved PRODUCT D A T A C645A-E Pressure Switches FEA TURES • C645A,B models are f or use on natural gas, LP gas, or air . • C645B1047 includes a scaleplate stop to meet American Gas Association (A GA) requirements for gas-fired boilers with inputs o ver 2-1/2 million Btuh. • C645C,D models are ...

  • Honeywell C645A-E - page 2

    60-2159—8 2 C645A-E PRESSURE SWITCHES SPECIFICA TIONS Models: C645A,C,D Pressure Switches — break a circuit when pressure falls to scale setting minus the differential. Refer to T able 1. ORDERING INFORMA TION When purchasing replacement and modernization products from your TRADELINE ® wholesaler or your distributor , refer to the TRADELINE ® ...

  • Honeywell C645A-E - page 3

    60-2159 — 8 3 C645A-E PRESSURE SWITCHES Switching: Spdt Micro Switch snap-acting switch (Fig. 3). Minimum Ambient T emperature: -20 ° F (- 29 ° C). Maximum Ambient T emperature: 125 ° F (52 ° C). Connections: 1/4-18 NPT female tapping for main or high pressure connection. 1/8-27 NPT female tapping for venting or low-pressure connection. Appro ...

  • Honeywell C645A-E - page 4

    60-2159 — 8 4 C645A-E PRESSURE SWITCHES 5 (127) 3-5/8 (92) 1-13/16 (46) 5/16 (7.9) 1 (25.4) 3/4 (19) 2-1/4 (57.1) 2-3/4 (69.8) 1-1/4 (31.7) 2-5/8 (66.7) 3/4 (19) 3 (76.2) 3-7/8 (98.4) 7-7/8 DIA. (200) 9/32 (7.1) DIA. (2) 3/16 (4.8) DIA. 1/8-27 INCH NPT MANUAL RESET LEVER 1 1 IMPORTANT: FOR MODELS WITH LOCKOUT, DO NOT OBSTRUCT MANUAL RESET LEVER. ...

  • Honeywell C645A-E - page 5

    60-2159 — 8 5 C645A-E PRESSURE SWITCHES The C645E1002 Distillate Fuel Oil Pressure Switch is the same as the C645A1006 Gas Pressure Switch except that it does not have a 0.015 in. (0.38 mm) diameter (nominal) orifice in its 1/4 in. NPT main (high pressure) connection. (This orifice is required in a C645A Gas Pressure Switch to restrict gas leakag ...

  • Honeywell C645A-E - page 6

    60-2159 — 8 6 C645A-E PRESSURE SWITCHES SETTINGS AND ADJUSTMENTS Pressure Setpoint Adjustment T ables 2 through 4 give the pressure and switching for each setpoint. T o adjust the pressure setting, turn the setpoint adjustment screw (Fig. 3 and 4) clockwise to increase the pressure setting and counterclockwise to decrease the pressure setting. T ...

  • Honeywell C645A-E - page 7

    60-2159 — 8 7 C645A-E PRESSURE SWITCHES The C645B spring-loaded diaphragm actuates the Micro Switch snap-acting switch which breaks a control circuit, locks out, and turns on an alarm (if so wired) when the pressure rises to the scale setting. When pressure falls to the scale setting minus the differential, the switch lockout can be manually rese ...

  • Honeywell C645A-E - page 8

    60-2159 — 8 8 C645A-E PRESSURE SWITCHES Home and Building Control Honeywell Inc. 1985 Douglas Drive North Golden Valley, Minnesota 55422 Home and Building Control Honeywell Limited-Honeywell Limitée 35 Dynamic Drive Scarborough, Ontario M1V 4Z9 60-2159 — 8 F .P . Rev . 5-95 www .honeywell.com/bbc ...

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Documents that we receive from a manufacturer of a Honeywell C645A-E can be divided into several groups. They are, among others:
- Honeywell technical drawings
- C645A-E manuals
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- or energy labels Honeywell C645A-E
All of them are important, but the most important information from the point of view of use of the device are in the user manual Honeywell C645A-E.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Honeywell C645A-E, service manual, brief instructions and user manuals Honeywell C645A-E. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Honeywell C645A-E.

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A complete manual for the device Honeywell C645A-E, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Honeywell C645A-E by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Honeywell C645A-E.

A complete Honeywell manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Honeywell C645A-E - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Honeywell C645A-E, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Honeywell C645A-E, that we can find in the current document
3. Tips how to use the basic functions of the device Honeywell C645A-E - which should help us in our first steps of using Honeywell C645A-E
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Honeywell C645A-E
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Honeywell C645A-E in a specific country, if it was not possible to solve the problem on our own.

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