English dropdown-ico

Manual Honeywell T874/Q674

8 pages 0.27 mb
Download

Go to site of 8

Summary
  • Honeywell T874/Q674 - page 1

    S . M. • Rev. 5-93 • • ©Honeywell Inc. 1993 • Form Number 60-1147—4 T874/Q674 Thermostat/Subbase Combinations Installation Instructions for the Trained Service Technician. Application The T874/Q674 Thermostat/Subbase combinations provide 24 to 30 Vac control for heat pump systems. See Table 1. TABLE 1—T874/Q674 THERMOSTAT/SUBBASE COMBI ...

  • Honeywell T874/Q674 - page 2

    60-1 147-4 2 Fig. 1—Installation of Q674 Subbase on outlet box. M925 VERTICAL OUTLET BOX ADAPTER RING SUBBASE COVER PLATE MOUNTING SCREWS (2) MOUNTING SCREWS (2) 1 SUBBASE MOUNTING SCREWS (2) HORIZONTAL OUTLET BOX 1 2 2 1 NOT INCLUDED WITH UNIT. 2 ACCESSORY PARTS AVAILABLE (193121A). Fig. 2—Installation of Q674 Subbase on wall. WIRES THROUGH WA ...

  • Honeywell T874/Q674 - page 3

    60-1 147-4 3 Fig. 4—Wiring connections. 2. Carefully remove and discard the polystyrene packing insert that protects the mercury switches during shipment. 3. If LED indication (EM.HT., CHECK, etc.) is to be used with the Q674 Subbase, install the preprinted insert under the thermostat set point scale (Fig. 8). To install, push both thermostat set ...

  • Honeywell T874/Q674 - page 4

    60-1 147-4 4 Fig. 6—Internal schematic and typical wiring diagram for T874N and Q674F. L1 HOT L2 1 W1 W2 EM. HEAT LED (RED) CHECK LED (GREEN) FAN RELAY G EM. HEAT RELAY COMPRESSOR CONTACTOR Y E SYSTEM SWITCH EM. HT. HEAT OFF COOL H1 ANTICIPATOR H1 H2 H2 ANTICIPATOR 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M368 ...

  • Honeywell T874/Q674 - page 5

    60-1 147-4 5 Fig. 7—Internal schematic and typical wiring diagram for T874R and Q674L. L1 HOT L2 1 X2 W2 EM. HEAT LED (RED) AUX. HEAT LED (GREEN) HIGH LIMIT SWITCH FAN RELAY G EM. HEAT RELAY COMPRESSOR CONTACTOR Y E SYSTEM SWITCH EM. HT. HEAT OFF COOL H1/C1 ANTICIPATOR H1 H2 H2 ANTICIPATOR 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PRO ...

  • Honeywell T874/Q674 - page 6

    60-1 147-4 6 Fig. 9—Mounting thermostat on subbase. THERMOSTAT MOUNTING POST (2) M936 50 60 70 80 50 60 70 80 HEAT COOL THERMOSTAT MOUNTING SLOTS (2) SUBBASE THERMOSTAT CAPTIVE MOUNTING SCREWS (2) Settings HEAT ANTICIPATOR SETTING Set the adjustable heat anticipator to match the current draw of the second stage heating primary control (Fig. 10). ...

  • Honeywell T874/Q674 - page 7

    60-1 147-4 7 Checkout HEATING Move the system switch on the Q674 to HEAT or AUTO (if used) and the fan switch to AUTO. Move the heating set point lever on the T874 about 10 ° F [6 ° C] above room temperature. Heating equipment should start and the fan should run. Move the heat lever about 10 ° F [6 ° C] below room temperature. The heating equip ...

  • Honeywell T874/Q674 - page 8

    60-1 147-4 8 Honeywell Limited-Honeywell Limitée 35 Dynamic Drive Scarborough, Ontario M1V 4Z9 60-1 147 –4 S.M. Rev . 5-93 Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 www.honeywell.com/yourhome ...

Manufacturer Honeywell Category Thermostat

Documents that we receive from a manufacturer of a Honeywell T874/Q674 can be divided into several groups. They are, among others:
- Honeywell technical drawings
- T874/Q674 manuals
- Honeywell product data sheets
- information booklets
- or energy labels Honeywell T874/Q674
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 T874/Q674.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Honeywell T874/Q674, service manual, brief instructions and user manuals Honeywell T874/Q674. 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 T874/Q674.

Similar manuals

A complete manual for the device Honeywell T874/Q674, 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 T874/Q674 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Honeywell T874/Q674.

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 T874/Q674 - 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 T874/Q674, 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 T874/Q674, that we can find in the current document
3. Tips how to use the basic functions of the device Honeywell T874/Q674 - which should help us in our first steps of using Honeywell T874/Q674
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Honeywell T874/Q674
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Honeywell T874/Q674 in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning Honeywell T874/Q674?

Use the form below

If you did not solve your problem by using a manual Honeywell T874/Q674, ask a question using the form below. If a user had a similar problem with Honeywell T874/Q674 it is likely that he will want to share the way to solve it.

Copy the text from the picture

Captcha
New picture

Comments (0)