A Complete Selection For A Wide Range Of Applications

Electronic Standalone Controllers

T775

Provide on/off, modulating, or reset control in applications where electronic accuracy in addition to remote sensing is desired.

Standard Models

•Available with one, two or four SPDT relay output stages and/or modulating outputs (0-10 Vdc, 2-10 Vdc, 4-20 mA and electronic Series 90 selectable). All models have built-in time-clock scheduler for setback.

•Typical applications include

–On/off control of fans, motors and heaters

–Proportional or floating control of damper and valve actuators

–Outdoor reset of heating and cooling systems

T775 Electronic Remote Temperature Controllers

Models for Standard Applications

 

 

 

 

Analog Outputs

 

 

 

 

 

 

 

4-20 mA,

 

Sensor

 

Product

 

 

Relay

0-10 Vdc,

 

 

 

 

2-10 Vdc

Floating

Inputs

# Sensors

Number

Description

Replaces

Outputs

& Series 90

Output1

Available

Included2

 

 

 

 

 

 

 

 

T775A2009

Standard

T775A1001

1 SPDT

 

 

1

1

T775B2016

Standard-NEMA 4X

 

2 SPDT

 

1

2

1

T775B2032

Standard

T775A1019, T775B1000

2 SPDT

 

1

2

1

T775B2024

Standard-NEMA 4X

T775C1009, T775D1008

4 SPDT

 

2

2

1

T775B2040

Standard

T775A1027, T775A1035, T775B1018,

4 SPDT

 

2

2

1

T775B1026, T775B1040

 

 

 

 

 

 

 

 

T775M2006

Modulating

 

None

2

 

2

1

T775M2022

Modulating-NEMA 4X

 

2 SPDT

2

 

2

1

T775M2048

Modulating

T775E1015, T775E1023, T775E1056,

2 SPDT

2

 

2

1

T775E1064, T775E1098

 

 

 

 

 

 

 

 

T775M2014

Modulating-NEMA 4X

T775G1005, T775G1013, T775G1021,

4 SPDT

2

 

2

1

T775G1039

 

 

 

 

 

 

 

 

T775M2030

Modulating

T775E1114, T775F1022, T775F1055, T775F1089

4 SPDT

2

 

2

1

T775R2035

Reset Option

T775J1001, T775J1076

2 SPDT

 

1

2

2

T775R2043

Reset Option

T775J1019, T775J1027, T775J1035

None

2

 

2

2

T775R2027

Reset Option

T775J1043, T775J1050, T775J1068

2 SPDT

2

 

2

2

T775R2001

Reset Option

 

4 SPDT

 

2

2

2

T775R2019

Reset Option

 

4 SPDT

2

 

2

2

1One floating output eliminates two relay outputs.

250021579-001 included with non-NEMA 4X models, and T775-SENS-WR included with NEMA 4X models.

T775 Special Models

T775U — Universal model controls pressure, humidity, temperature

or any control medium that inputs 1097 ohms PTC, 0-10 Vdc or 4-20 mA. CO2 sensors are compatible but reading displayed in percent, not ppm.

T775P — Special boiler model with features like WWSD, Alarming

and control of up to 12 stages from a single setpoint using optional 4-relay expansion modules T775S.

T775L — Special sequencing module allows configuration of up to 12 relay outputs with one or two setpoints in any number and combination desired. Do 3 heat/7 cool, 6 heat/2 cool, 4 heat/2 heat — whatever you desire.

2

T775 Electronic Remote Temperature Controllers

Models for Special Applications

 

 

 

 

Analog Outputs

 

 

 

 

 

 

 

 

 

 

4-20 mA,

 

Dedi-

 

 

 

 

Product

 

 

Relay

0-10 Vdc,

 

cated

Sensor

 

 

Output

 

 

2-10 Vdc,

Digital

Pump

Inputs

# Sensors

Expandable1

Number

Description

Replaces

Outputs

& Series 90

Output

Output

Available

Included

Reset

T775P20032

Special boiler with reset

 

4 SPDT

 

1

•

3

3

•

•

T775L2007

Stage sequencer with reset

 

4 SPDT3

 

 

 

2

1

•

•

 

option

 

 

 

 

 

 

 

 

 

 

 

H775A1006, H775A1022,

 

 

 

 

 

 

 

 

T775U2006

Universal — humidity,

H775A1048, H775A1063,

 

 

 

 

4

 

 

•

pressure, etc.

H775B1005, H775C1004,

2 SPDT

2

 

 

2

 

 

 

 

H775D1003, H775E1002

 

 

 

 

 

 

 

 

 

Universal - Control to sensor A

 

 

 

 

 

24

 

 

 

T775U2016 (universal input) and sensor B

 

2 SPDT

2

 

 

 

 

•

 

(temp) independently.

 

 

 

 

 

 

 

 

 

T775S2008

Relay expansion module

 

4 SPDT

 

 

Use with T77P or T775L

 

 

14 or 8 more relays possible with T775S2008 relay expansion module(s).

2Includes dedicated pump output, equal run time, pump pre-purge and post-purge, WWSD and more.

3Up to 2 independent non-sequenced relays are also available.

4First input configurable for temperature 0-5Vdc, 0-10 Vdc, or 4-20 mA; second input is configurable for temperature only.

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Honeywell T775A2009 manual Electronic Standalone Controllers, T775 Electronic Remote Temperature Controllers, Spdt, SPDT3
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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.
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