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Manual Honeywell T8090A

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  • Honeywell T8090A - page 1

    1 69-0750—1 T8090A Heating, Cooling, and Heating-Cooling Thermostat, W allplate and Sub base D.F. • Rev. 10-94 • • ©Honeywell Inc. 1994 • Form Number 69-0750—1 Prepar ation Check thermostat and subbase (if used) suitability for the heating, cooling, or heating/cooling system. Refer to Table 1. Assemble tools required: flat bladed screw ...

  • Honeywell T8090A - page 2

    69-0750—1 2 M3375 Recycling Notice This control contains mercury in a sealed tube. Do not place control in the trash at the end of its useful life. If this control is replacing a control that contains mer- cury in a sealed tube, do not place your old control in the trash. Contact your local waste management authority for instructions regarding re ...

  • Honeywell T8090A - page 3

    3 69-0750—1 Fig. 2—Mounting wallplate or subbase to wall. Fig. 3—Leveling methods for wallplate or subbase. Fig. 4—Mounting wallplate or subbase on horizontal outlet box. M1552A AUTO OFF COOL HEAT ON FAN R G O W Y B 3 SCREW HOLES WITH PLASTIC ANCHORS HEATING/COOLING SUBBASE 3 SCREW HOLES WITH PLASTIC ANCHORS HEATING-ONLY WALLPLATE M857 AUTO ...

  • Honeywell T8090A - page 4

    69-0750—1 4 WIRING Follow the instructions provided by the heating, cooling or heating-cooling equipment manufacturer. If not avail- able, refer to the Typical Wiring Diagrams section. Disconnect power supply before making wiring connec- tions to prevent electrical shock or equipment damage. NOTE: All wiring must comply with local electrical code ...

  • Honeywell T8090A - page 5

    5 69-0750—1 Adjust the heat anticipator lever to match the current rating of the primary control for the proper cycle rate (Fig. 9). Set adjustable anticipation for total current of heat and fan control. Locate the current rating stamped on the control or valve (Fig. 10), or the setting given in the device instructions. If no current rating or he ...

  • Honeywell T8090A - page 6

    69-0750—1 6 Remove the thermostat from the wallplate or subbase. Connect an ac ammeter of appropriate range (about 0A to 2A) between the R and W terminals on the wallplate or subbase except for electric heat and heat pump systems. Let the system operate for one minute. Adjust the heat anticipator lever to match the number that reads on the ammete ...

  • Honeywell T8090A - page 7

    7 69-0750—1 THERMOSTAT This thermostat was calibrated at the factory and should not need recalibration in the field. If recalibration seems necessary, first be sure wallplate or subbase is accurately leveled. Then check thermometer calibration. To check thermostat calibration, allow several hours of operation after installation. Then read the the ...

  • Honeywell T8090A - page 8

    69-0750—1 8 Fig. 14—Use of 104994A calibration wrench. .35 .30 .25 .20 .10 M8583 ANTICIPATOR SETTING LEVER ANTICIPATOR SCALEPLATE CALIBRATION WRENCH T ypical W iring Diagrams Fig. 15—Typical hookup for clock powered by separate 24 Vac transformer. L1 (HOT) L2 1 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. C C ...

  • Honeywell T8090A - page 9

    9 69-0750—1 L1 (HOT) L2 1 1 L1 (HOT) L2 1 HEAT RELAY COMPRESSOR CONTACTOR CLOCK POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. JUMPER RH-RC TERMINALS WHEN ONE TRANSFORMER POWERS BOTH HEATING AND COOLING. FOR POWER STEALING ON HEATING, JUMPER C-RC AND C-Y TERMINALS. 2 3 3 2 THERMOSTAT BATTERY SUBBASE CC R H RC WY M720A ...

  • Honeywell T8090A - page 10

    69-0750—1 10 Automation and Control Solutions Honeywell International Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 ...

Manufacturer Honeywell Category Thermostat

Documents that we receive from a manufacturer of a Honeywell T8090A can be divided into several groups. They are, among others:
- Honeywell technical drawings
- T8090A manuals
- Honeywell product data sheets
- information booklets
- or energy labels Honeywell T8090A
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 T8090A.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Honeywell T8090A, service manual, brief instructions and user manuals Honeywell T8090A. 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 T8090A.

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A complete manual for the device Honeywell T8090A, 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 T8090A by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Honeywell T8090A.

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 T8090A - 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 T8090A, 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 T8090A, that we can find in the current document
3. Tips how to use the basic functions of the device Honeywell T8090A - which should help us in our first steps of using Honeywell T8090A
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Honeywell T8090A
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Honeywell T8090A in a specific country, if it was not possible to solve the problem on our own.

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