Honeywell Thermostat T8775A Manuale Utente Scaricare il pdf

PRODUCT DATA

68-0279

® U.S. Registered Trademark • Patents Pending

T8775A,C The Digital Round

™

Non-Programmable Thermostats

APPLICATION

The T8775A and T8775C Thermostats provide single-stage,

non-programmable temperature control for 24 Vac systems

with manual changeover from heat to cool.

The T8775A controls 2-wire heating-only systems.

The T8775C controls gas, oil or electric heating and cooling

systems.

FEATURES

• Attractive styling complements any decor.

• Simple to use. Turn the dial to adjust the setpoint

temperature.

• Large easy-to-read display. The temperature reading is

easily seen from a distance.

• Backlit display. On-demand backlighting makes it easy

to read the display in a dark room or hallway.

• No batteries required. The setpoint temperature is held

permanently in memory in the event of a power failure.

• Powered through heating-cooling system controls.

• System and Fan switches on the T8775C model.

• Manual changeover from heat to cool on T8775C

model.

• Easy installation and set up saves time and increases

installer productivity.

• Easily configurable by the use of DIP switches.

• Fahrenheit or Celsius temperature display for added

flexibility.

• Selectable heating cycle rates (1, 3, 6, 9 CPH) for a

variety of applications.

• Cooling cycle rate is fixed at 3 CPH. This is the

standard compressor setting.

• Minimum off-time for the compressor in the cooling

mode. Protects and extends the life of the equipment.

• Decorative cover plate is available to cover marks on

the wall or to mount the T8775 Thermostat to an

electrical box.

Contents

Application.........................................................................1

Features............................................................................1

Specifications ....................................................................2

Ordering Information .........................................................2

Installation.........................................................................3

Wiring................................................................................4

Customize Thermostat......................................................5

Set System and Fan Switches ..........................................6

Checkout...........................................................................7

Troubleshooting Guide ......................................................8

1 2 3 4 5 6 7 8

Sommario

Pagina 1 - Non-Programmable Thermostats

Pagina 2 - SPECIFICATIONS

T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS68-0279 2ORDERING INFORMATIONWhen purchasing replacement and modernization products from your

Pagina 3 - Mount Wallplate to Wall

T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS3 68-0279INSTALLATIONFig. 2. Typical thermostat location.Separate Wallplate from Thermostat1.

Pagina 4 - 68-0279 4

T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS68-0279 44. Tap the provided wall anchors into the drilled holes until they are flush with the

Pagina 5 - CUSTOMIZE THERMOSTAT

T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS5 68-0279Fig. 10. Typical hookup of T8775C in heat-cool system with two transformers.Fig. 11.

Pagina 6 - SET SYSTEM AND FAN SWITCHES

T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS68-0279 6Fahrenheit/Celsius IndicationUse DIP switch 3 to set the desired temperature indicati

Pagina 7 - CHECKOUT

T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS7 68-0279Fig. 18. Room temperature display.Adjust Temperature SetpointTurn the dial clockwise

Pagina 8 - TROUBLESHOOTING GUIDE

Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers.68-0279 J.S. 4-04 www.honeywell.com/yourhomeT8775A,C THE DI