Honeywell T775S2008 Temperature Controller

Special Stand Alone Remote Temperature Controller, 24Vac or 120/240Vac, 4 SPDT Relay Outputs, Relay Expansion Module, Sensor Element: 1097 Ohms PTC @ 77 Degrees, ±1 Degree @ 77 Degrees Accuracy, 1000' Maximum Distance to Sensor, -40-248 Setpoint Temperature Range, 1-150 Degree Throttling Range, 1-150 Degree Differential Temperature, 10 Amp Resistive Contact Rating @ 24Vac, 9.8 Amp Full Load Contact Rating @ 120Vac, 58.8 Amp Locked Rotor Contact Rating @ 120Vac, 125 VA Pilot Duty @ 120Vac, 4.9 Amp Full Load Contact Rating @ 240Vac, 29.4 Amp Locked Rotor Contact Rating @ 240Vac, 125 VA Pilot Duty @ 240Vac, Analog Output Type: 2-10Vdc, 0-10Vdc,4-20mA, Electronic Series 90

Honeywell T775S2008 Temperature Controller – High-Performance Remote Standalone Control with Relay Expansion and Advanced Scheduling

The Honeywell T775S2008 is a robust, standalone temperature controller designed for high-precision HVAC, process control, and industrial temperature regulation applications. With flexible power input options, four SPDT relay outputs, and advanced features such as programmable scheduling and expansion capability, it delivers reliable performance and versatile control in demanding environments.

🔧 Key Features:

• Multi-Voltage Operation: Compatible with 24 VAC, 120 VAC, or 240 VAC power inputs (50/60 Hz)

• Relay Expansion Module: Expandable with additional modules for larger systems

• 4 SPDT Relay Outputs: Control multiple stages or devices with reliable switching

• Analog Outputs: Supports 2-10 VDC, 0-10 VDC, and 4-20 mA modulating outputs

• Wide Setpoint Range: Adjustable from -40°F to 248°F (-40°C to 120°C)

• High Accuracy Sensor: Includes a PTC sensor (±1°F at 77°F), with up to 1000' distance

• Flexible Control: Adjustable throttling range and differential (1°F to 150°F)

• Programmable Interface: Intuitive 6-key menu-driven programming with backlit LCD

• Scheduling Capabilities: 7-day programmable clock with two events/day and daylight savings support

• Memory Protection: Non-volatile memory retains program settings; clock backed up for 24 hours

⚙️ Technical Specifications:

• Display: 2.5" x 1.5" backlit LCD, configurable in °F or °C

• Relay Ratings:

  • 10A @ 24 VAC (resistive)

  • 9.8A full load / 58.8A locked rotor @ 120 VAC

  • 4.9A full load / 29.4A locked rotor @ 240 VAC

  • 125 VA pilot duty @ 120/240 VAC

• Inputs:

  • Digital dry contact (night setback/system shutdown)

  • RTD temperature sensor: 1.1kΩ @ 77°F

  • Analog (model-specific): 0–10 VDC, 4–20 mA

• Mounting Options: Surface-mount tabs or DIN rail

• Enclosure: Plenum-rated plastic with NEMA 1 or NEMA 4X options, UL94V

• Environmental Limits:

  • Operating Temp: -40°F to 140°F (-40°C to 60°C)

  • Humidity: 5%–95% RH (non-condensing)

📏 Dimensions & Weight:

• Dimensions: 8.2" H x 4.9" W x 3" D (door opens 4")

• Weight: 2.2 lb (1.0 kg)

🛡️ Certifications & Warranty:

• UL Listed (File #E4436), CE, C-Tick, FCC

• 1-Year Manufacturer Warranty

🧰 Applications:

• HVAC system control

• Refrigeration and cold storage

• Industrial temperature regulation

• Boiler, chiller, and pump staging

• Environmental chambers and greenhouses

Why Choose the T775S2008?
Engineered for performance and expandability, the Honeywell T775S2008 offers precise control, easy installation, and reliable operation, making it an excellent choice for professionals seeking a dependable temperature control solution.