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Manual Honeywell T874W

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  • Honeywell T874W - page 1

    X-XX UL INST ALLA TION INSTR UCTIONS Copyright © 1996 Honeywell Inc. • • All Rights Reserved T874H,Q,W Multistage Thermostats and Q674B,C,G,L Subbases APPLICA TION The T874H,Q,W Multistage Thermostats provide 24 to 30 Vac control for heating and cooling systems as listed in Table 1. Table 1. Heating and Cooling Stages. a Plus a changeover stag ...

  • Honeywell T874W - page 2

    69-0087 — 6 2 T874H,Q,W MUL TIST AGE THERMOST A TS AND Q674B,C,G,L SUBBASES M6009 VERTICAL OUTLET BOX ADAPTER RING COVER PLATE MOUNTING SCREWS (2) 1 SUBBASE SUBBASE MOUNTING SCREWS (2) HORIZONTAL OUTLET BOX 1 2 2 1 NOT INCLUDED WITH UNIT. 2 ACCESSORY PARTS AVAILABLE (193121A). THERMOSTAT CAPTIVE MOUNTING SCREWS (2) 5 0 6 0 7 0 8 0 5 0 6 0 7 0 8 0 ...

  • Honeywell T874W - page 3

    69-0087 — 6 3 T874H,Q,W MUL TIST AGE THERMOST A TS AND Q674B,C,G,L SUBBASES FOR STRAIGHT INSERTION – STRIP 5/16 in. (8 mm) FOR WRAPAROUND – STRIP 7/16 in. (11 mm) SUBBASE TERMINAL SCREW M928 BARRIER L1 (HOT) L2 1 FAN RELAY Y2 SYSTEM SWITCH OFF AUTO H1 ANTICIPATOR CO H1 FALL 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS R ...

  • Honeywell T874W - page 4

    69-0087 — 6 4 T874H,Q,W MUL TIST AGE THERMOST A TS AND Q674B,C,G,L SUBBASES L2 1 OFF H1 ANTICIPATOR H2 ANTICIPATOR H1 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M6008A Y1 W1 C1 ANTICIPATOR AUTO FALL FALL CHANGEOVER RELAY L1 (HOT) R FAN RELAY COMPRESSOR CONTACTOR G 3 THERMOSTAT SUBBASE SYSTEM COMPONENTS NO FAN SW ...

  • Honeywell T874W - page 5

    69-0087 — 6 5 T874H,Q,W MUL TIST AGE THERMOST A TS AND Q674B,C,G,L SUBBASES 1 L1 (HOT) L2 T W3 U G R E L X B O Y1 Y2 C815A OD THERMISTOR AUX. HEAT RELAY FAN RELAY EM. HEAT RELAY COMPRESSOR MONITOR CHANGEOVER RELAY (HEAT) CHANGEOVER RELAY (COOL) COMPRESSOR CONTACTOR 1 COMPRESSOR CONTACTOR 2 EM.HEAT AUTO ON FAN SWITCH H1 ANTICIPATOR H2 ANTICIPATOR ...

  • Honeywell T874W - page 6

    69-0087 — 6 6 T874H,Q,W MUL TIST AGE THERMOST A TS AND Q674B,C,G,L SUBBASES Fig. 9. T874W/Q674L for three-stage heat and two-stage cool with outdoor reset. 1 T W3 G R E X1 C B O X2 Y1 Y2 C815A OUTDOOR THERMISTOR AUX. HT. RELAY FAN RELAY EM. HT. RELAY CHANGEOVER RELAY (HEAT) CHANGEOVER RELAY (COOL) COMPRESSOR CONTACTOR 1 COMPRESSOR CONTACTOR 2 EM. ...

  • Honeywell T874W - page 7

    69-0087 — 6 7 T874H,Q,W MUL TIST AGE THERMOST A TS AND Q674B,C,G,L SUBBASES THERMISTOR RESISTANCE C815A THERMISTOR RESISTANCE R = 400 ohms ± 10% AT 77 ° F (25 ° C) 4600 4400 4200 4000 3800 3600 3400 3200 3000 2800 2600 2400 2200 2000 1800 1600 1400 1200 1000 800 600 400 200 0 -20 0 20 40 60 80 100 120 140 TEMPERATURE OF THERMISTOR ( ° F) M159 ...

  • Honeywell T874W - page 8

    69-0087 — 6 8 T874H,Q,W MUL TIST AGE THERMOST A TS AND Q674B,C,G,L SUBBASES Honeywell Limited-Honeywell Limitée 35 Dynamic Drive Scarborough, Ontario M1V 4Z9 Automation and Control Solutions Honeywell Internationl, Inc. 1985 Douglas Drive North Golden Valley, MN 55422 69-0087 — 6 C.H. Rev . 9-96 www .honeywell.com M5070 Fan (Select Models) Mov ...

Manufacturer Honeywell Category Thermostat

Documents that we receive from a manufacturer of a Honeywell T874W can be divided into several groups. They are, among others:
- Honeywell technical drawings
- T874W manuals
- Honeywell product data sheets
- information booklets
- or energy labels Honeywell T874W
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 T874W.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Honeywell T874W, service manual, brief instructions and user manuals Honeywell T874W. 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 T874W.

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A complete manual for the device Honeywell T874W, 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 T874W by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Honeywell T874W.

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 T874W - 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 T874W, 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 T874W, that we can find in the current document
3. Tips how to use the basic functions of the device Honeywell T874W - which should help us in our first steps of using Honeywell T874W
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Honeywell T874W
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Honeywell T874W in a specific country, if it was not possible to solve the problem on our own.

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