Braeburn 4235 3H/2C Programmable Thermostat with Dry Contact and Humidity Control

Description

Braeburn 4235 3 Heat 2 Cool Universal Programmable Thermostat – Heat Pump

Braeburn 4235 2 Heat 2 Cool Universal Programmable Thermostat – Conventional

The Braeburn 4235 is a universal auto changeover thermostat  with4235, 4.25” high x 5.12” wide x 1” deep, powered with either 24 Volt AC or with two “AA” Alkaline batteries (3.0 Volt DC). In the event of a power failure, the unit will retain all user, installer and program settings. The thermostat shall be compatible with low voltage single or multistage gas, oil, or electric heating or cooling systems and single or multistage heat pumps with auxiliary heat. Also compatible with 250mv – 750mv millivolt heating only systems and 2 or 3 wire hydronic zone systems. The thermostat will have an adjustable bright blue backlight display, separate sub-base and multi-level keypad lockout. Temperature control range is between 45 and 90 F (7 and 32 C), accuracy of +/- 1 F (+/- .5 C) and operating humidity range between 5% and 95% relative humidity. The thermostat includes separate installer and user setup modes, permanent non-volatile memory to retain user settings, filter, UV and humidifier pad check monitor, adaptive recovery mode (ARM™), programmable fan mode, residual cooling fan delay, indoor or outdoor remote sensor capability and multi-function dry contact input. Thermostat can be used to control an external humidifier or dehumidifier. The cooling system can also be used to reduce humidity.

Features

• 7 Day, 5-2 Day or Non-Programmable
• Large Display with Adjustable Backlight
• Auto or Manual Humidification Control
• Dehumidification Control with Overcooling
• Auto or Manual Changeover
• SmartLimit Temperature Limits
• Indoor or Outdoor Remote Sensing*
• SpeedSet Programming Mode
• Hardwire or Battery Powered
• User and Installer Lock Modes
• Pre-Occupancy Purge Option
• Auxiliary Heat Fossil Fuel Option
• Programmable and Circulating Fan Modes
• Adaptive Recovery Mode (ARM )
• Temporary Override Limits
• Compatible with 2 or 3 Wire Hydronic Zone Systems
• Multi-Function Dry Contact Input for Occupancy Control, Condensate Monitoring or Door Switch Activation

Specifications

• Dimensions: 4.25” x 5.12” x 1”
• Electric Rating:
  • 24 Volt AC (18-30 Volt AC)
  • 1 amp maximum load per terminal
  • 7 amp total maximum load (all terminals)
• AC Power: 18-30 Volt AC
• DC Power: 3.0 Volts DC (2 “AA” Alkaline batteries included)
• Compatibility:
  • Single stage gas, oil, electric or hydronic systems
  • Single stage heat pumps with or without auxiliary heat
  • 250mv – 750mv millivolt heating systems
• Control Range: 45 to 90 F (7 to 32 C)
• Display Range: 35 to 99 F (1.5 to 37 C)
• Accuracy: +/- 1 F (+/- .5 C)
• Temperature
• Differential: 0.5, 1, or 2 F (0.2, 0.5, or 1 C)
• Storage Temperature: 14 to 140 F (-10 to 60 C)
• Operating Humidity: 5% to 95% Relative Humidity
• Terminations: Rc, Rh, O/B/V3, Y1, Y2, W1/E, W2/AUX, G, C, L, S1, S2, H/D, DRY1, DRY2

Replaces

• Honeywell: TH611OD, TH621OU, TH622OD, TH6320D, TH6320U
• Emerson: 1F80-0471, 1F85-0422, 1F85U-22PR, 1F85U-42PR
• Venstar: T3800, T3900, T4800, T4900

Accessories

• 2950 Universal Wall Plate (6.5” x 6.5” x .125”)
• 5970 Universal Thermostat Guard
• 5390 Remote Indoor Sensor
• 5490 Remote Outdoor Sensor