Description
Honeywell T775R2001 Electronic Temperature Controller – 2 Temp Inputs, 4 SPDT Relays, 2 Sensors Included
The Honeywell T775R2001 Electronic Remote Temperature Controller is a next-generation modulating temperature controller designed for commercial and agricultural HVAC applications requiring accurate remote sensing and control. Featuring two temperature sensor inputs, four SPDT relay outputs, and two floating outputs, this controller offers versatile control options for both switched and proportional loads. The T775R2001 is ideal for energy-efficient temperature management and equipment protection in demanding environments.
Key Features of Honeywell T775R2001 Temperature Controller
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Intuitive graphical interface and large display simplify installation and programming
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Integrated time clock scheduler and digital input to manage setback and disable outputs, helping reduce energy consumption
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Modulating high and low limit controls to safeguard equipment against freezing or overheating
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Precise PI or PID tuning with adjustable integral and derivative times for optimized modulating output control
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Configurable reset output for improved control strategies
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Supports floating actuator control on select models
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Eliminates need for separate time delay devices with built-in minimum off time protection
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Sensors included: T775-SENS-WR for NEMA 4X models, 5002159-001 for non-NEMA 4X models
Honeywell T775R2001 Specifications
| Specification | Details |
|---|---|
| Application | Electronic remote temperature controller with reset option |
| Controller Type | Modulating, Reset option (NEMA 1 enclosure) |
| Relay Outputs | 4 SPDT relays |
| Sensor Inputs | 2 |
| Voltage | 24 Vac, 120 Vac, 240 Vac |
| Frequency | 50 Hz / 60 Hz |
| Relay Contact Ratings (24 Vac) | 10.0 A Resistive |
| Relay Contact Ratings (120 Vac) | 1/2 hp, 9.8 AFL, 58.8 ALR, 125 VA Pilot Duty |
| Relay Contact Ratings (240 Vac) | 1/2 hp, 4.9 AFL, 29.4 ALR, 125 VA Pilot Duty |
| Dimensions (HxWxD) | 8 5/32" x 4 13/32" x 2 15/16" |
| Sensor Element | 1097 ohms PTC at 77°F (25°C) |
| Sensors Included | 2 x 5002159-001 or 1 x T775-SENS-WR |
| Maximum Sensor Distance | Up to 1,000 ft |
| Setpoint Temperature Range | -40°F to 248°F (-40°C to 120°C) |
| Accuracy | ±1°F at 77°F |
| Differential Temperature Range | 1°F to 150°F |
| Operating Ambient Temperature | -40°F to 140°F @ 60 Hz, -40°F to 125°F @ 50 Hz |
| Outputs | 4 SPDT Relay Outputs, 2 Floating Outputs |
| Features | Reset Output, Time Clock Scheduler, Minimum Off Time, PI/PID Control |
Applications of Honeywell T775R2001
The Honeywell T775R2001 is engineered for precise temperature control in commercial and agricultural HVAC systems. Typical uses include temperature management for heating and cooling equipment, greenhouse climate control, boiler control, and industrial process automation. Its flexible output options and accurate remote sensing capabilities make it ideal for applications demanding reliable, energy-efficient temperature regulation.
