T775A2009 Honeywell Temperature Controller

Overview

The Honeywell T775A2009 is a Series 2000 electronic stand-alone temperature controller designed for commercial and agricultural applications. This versatile device provides precise on-off control for heating or cooling systems by remote sensing of temperature and managing a single SPDT relay output. It is engineered to replace older models like the T775A1001 and T6031C1009, offering a modernized graphical interface and intuitive programming to simplify installation and operation.

Features

• Easy-to-use graphical interface with a large backlit LCD display
• Intuitive menu-driven programming that saves time on installation
• Internal 7-day time clock scheduler for night setback and energy savings
• One SPDT relay output (Single Stage)
• Single temperature sensor input (1097 Ohms PTC sensor included)
• Configurable minimum off time to protect equipment from short-cycling
• Non-volatile memory that retains all programmed values after power loss
• Flexible mounting options including surface screw tabs or DIN rail

Specifications

• Power Supply: 24 Vac, 120 Vac, or 240 Vac; 50/60 Hz
• Setpoint Temperature Range: -40 to 248 degrees Fahrenheit (-40 to 120 degrees Celsius)
• Operating Ambient Temperature: -40 to 140 degrees Fahrenheit @ 60 Hz
• Differential Temperature: Adjustable from 1 to 150 degrees Fahrenheit
• Relay Contact Ratings: 10A resistive at 24 Vac; 1/2 hp at 120/240 Vac
• Accuracy: +/- 1 degree Fahrenheit at 77 degrees Fahrenheit
• Enclosure: NEMA 1 rated for indoor use
• Dimensions: 8-5/32 in. H x 4-13/32 in. W x 2-15/16 in. D
• Maximum Sensor Distance: Up to 1,000 feet

Applications

• Commercial HVAC systems for space or discharge air temperature control
• Agricultural facilities requiring precise climate monitoring
• Industrial tank heating and cooling
• Chiller and boiler temperature management
• Refrigeration units and walk-in coolers
• General temperature control where remote sensing and electronic accuracy are required