Honeywell T775A2009 manual Electronic remote temperature controllers, T915, T7079

Page 7

Proportional Temperature controllers

T915

For ducts, tanks, boilers, pipes and other heat exchangers.

Provide proportioning control of three-wire, low-voltage valve or damper motors.

Used to regulate temperatures of either air or liquids.

All models ambient compensated.

Ambient temperature compensation provides good temperature control.

Temperature setting scale markings in both Fahrenheit and Celsius.

Steel case has a clear plastic cover to make setting readily visible.

Surface mount using two screws through back of case.

T915

Proportional Temperature Controllers

 

 

 

 

 

Capillary

 

 

 

 

Setpoint Temperature

 

Relay

Length

Differential

 

Part Number

˚F

˚C

Modulating Output

Outputs

Feet

Meters

˚F

˚C

Comments

T915C1407

15˚ F to 90˚ F

-10˚ C to +32˚ C

One 135 Ohm Output

 

20 ft

6.1 m

7˚ F to 38˚ F

3.9˚ C to 21.1˚ C

N/S

 

 

 

 

 

 

 

 

 

 

T915C1928

80˚ F to 210˚ F

27˚ C to 99˚ C

One 135 Ohm Output

 

5 ft

1.5 m

6˚ F to 32˚ F

3.3˚ C to 17.8˚ C

N/S

 

 

 

 

 

 

 

 

 

 

T915C1936

80˚ F to 210˚ F

27˚ C to 99˚ C

One 135 Ohm Output

 

20 ft

6.1 m

6˚ F to 32˚ F

3.3˚ C to 17.8˚ C

N/S

 

 

 

 

 

 

 

 

 

 

Electronic remote temperature controllers

T7079

Capable of providing on-off temperature control for ducts, tanks, heating and refrigeration units, greenhouses, animal confinement buildings and other applications where electronic accuracy in addition to remote sensing is desired.

Choose from 1 or 2 SPDT relay models.

Two stage models can be configured as 2 heat/2 cool, or 1 heat/1 cool.

Switch selection of heat or cool mode.

Temperature sensing up to 400 feet.

Does not require field calibration.

10K NTC temperature sensor.

Wide setpoint temperature range.

LED annunciation for both power on and relay state.

Dual setpoint scale (˚F and ˚C).

Models offered with built in isolation transformer for 24 Vac input.

Dual-stage output models can be configured as 2 heat/2 cool, or 1 heat/1 cool.

T7079

Electronic Remote Temperature Controllers

 

Setpoint Temperature

 

 

Differential

Part Number

˚F

˚C

Relay Outputs

Power Input

˚F

˚C

T7079A1004

-25˚ F to +105˚ F

-32˚ C to +40˚ C

1 SPDT

24 Vac

1˚ F to 30˚ F

-17˚ C to +1˚ C

 

 

 

 

 

 

 

T7079A1012

100˚ F to 240˚ F

38˚ C to 116˚ C

1 SPDT

24 Vac

1˚ F to 30˚ F

-17˚ C to +1˚ C

 

 

 

 

 

 

 

T7079A1046

-25˚ F to +105˚ F

-32˚ C to +40˚ C

1 SPDT

120/240 Vac

1˚ F to 30˚ F

-17˚ C to +1˚ C

 

 

 

 

 

 

 

T7079A1053

100˚ F to 240˚ F

38˚ C to 116˚ C

1 SPDT

120/240 Vac

1˚ F to 30˚ F

-17˚ C to +1˚ C

 

 

 

 

 

 

 

T7079B1028

-25˚ F to +105˚ F

-32˚ C to +40˚ C

2 SPDT

24 Vac

1˚ F to 30˚ F

-17˚ C to +1˚ C

 

 

 

 

 

 

 

T7079B1036

100˚ F to 240˚ F

38˚ C to 116˚ C

2 SPDT

24 Vac

1˚ F to 30˚ F

-17˚ C to +1˚ C

 

 

 

 

 

 

 

T7079B1044

-25˚ F to +105˚ F

-32˚ C to +40˚ C

2 SPDT

120/240 Vac

1˚ F to 30˚ F

-17˚ C to +1˚ C

 

 

 

 

 

 

 

T7079B1051

100˚ F to 240˚ F

38˚ C to 116˚ C

2 SPDT

120/240 Vac

1˚ F to 30˚ F

-17˚ C to +1˚ C

 

 

 

 

 

 

 

7

Image 7
Contents Quick Selection Guide Spdt T775 Electronic Remote Temperature ControllersElectronic Standalone Controllers T775Refrigeration Controllers/Freeze Stats Remote Temperature ControllersRefrigeration Controllers Freeze stats T4031, T6031 L480, L482T675, T678 Crop-trol ControllersGeneric remote bulb controllers T675FT631F, G Farm controllersNema-iv Controller T631ProportionalTemperature Controllers Proportional temperature controllersT991 T915 Electronic remote temperature controllersProportional Temperature Controllers Electronic Remote Temperature ControllersLearn More

T775A2009 specifications

The Honeywell T775A2009 is a state-of-the-art digital controller designed for precise temperature regulation in commercial heating, ventilation, and air conditioning (HVAC) applications. This advanced device is programmed to provide reliable performance while ensuring energy efficiency, making it an essential component for modern climate control systems.

One of the standout features of the T775A2009 is its versatility in controlling various types of HVAC equipment. It is equipped with a universal input that accommodates multiple sensor types, including thermocouples, RTDs, and resistance temperature detectors. This allows for easy integration into existing systems, enabling users to harness its capabilities without extensive modifications.

The T775A2009 comes with an intuitive interface, featuring a large LCD display that provides clear visibility for monitoring and adjusting settings. The user-friendly navigation makes it accessible for both technicians and facility managers, simplifying the setup and maintenance processes. The device’s programmable capabilities allow users to set up customized control sequences and schedules to optimize system performance.

In terms of energy management, the Honeywell T775A2009 is fitted with advanced algorithms that support efficient operation. These algorithms facilitate demand-based control strategies, helping to reduce operational costs and environmental impact by minimizing energy consumption during low-demand periods. The controller also supports multiple modes of operation, including heating, cooling, and economizer modes, enhancing flexibility in managing climate conditions.

Another characteristic of the T775A2009 is its robust communication capabilities. It features Modbus RTU communication protocol, which allows seamless integration with building management systems (BMS). This connectivity enables centralized monitoring and control of HVAC equipment from a single interface, streamlining operational oversight.

The T775A2009 is built to withstand various environmental conditions and offers a high degree of reliability. It is designed for long-term operation, ensuring minimal downtime and maintenance costs. With its high-quality components and construction, the device is suitable for a wide range of commercial applications, from retail spaces to industrial facilities.

In summary, the Honeywell T775A2009 digital controller stands out for its versatility, advanced energy management capabilities, user-friendly design, and robust communication features. These attributes make it an ideal choice for HVAC systems aiming to enhance performance, reduce energy costs, and maintain optimal climate conditions efficiently.