Temperature Controllers

The TA155 manual changeover thermostat is designed for use in HVAC systems including two or four-pipe fan coil applications or other installations requiring manual switching between heating and cooling. Solid state accuracy offers comfort and efficiency while contemporary styling complements room decor. Advanced self-configuring circuitry allows the T155 electronic thermostat to be applied directly to input voltages from 24 to 277 VAC , 50 or 60Hz. T h e r m o s t at outputs are suitable for connection to relays, valves and similar pilot duty loads. The system and fan switches will handle ...

The TA155 manual changeover thermostat is designed for use in HVAC systems including two-pipe fan coil applications or other installations requiring manual switching between heating and cooling. Solid state accuracy offers comfort and efficiency while contemporary styling complements room decor. Advanced self-configuring circuitry allows the T155 electronic thermostat to be applied directly to input voltages from 24 to 277 VAC , 50 or 60Hz. T h e r m o s t at outputs are suitable for connection to relays, valves and similar pilot duty loads. The system and fan switches will handle ...

The A421 Series controls are single stage, low-voltage electronic temperature controls with a single-pole, double-throw (SPDT) output relay. These can be used to control a wide variety of single-stage refrigeration or HVAC equipment with an ambient temperature range of -40 to 212°F. Model A421GEF-02C features Type 4X (NEMA) IP66 watertight, corrosion-resistant enclosure suitable for surface mount and rated for 24 VAC Class 2, Safety Extra Low Voltage. Includes A99BB-200C temperature sensor with a 2 in. standard probe and 6.6 ft. PVC cable. Features: Control Front Panel LCD Basic and ...

PECO Performance PRO T8532-002 multi-fan thermostat delivers deep-value in commercial climate control. Can be used with one of the following applications Fan Coil, PTAC, Heat Pump and Conventional Systems. With an 8-inch2 blue backlight display, intuitive soft key command interface, and SD memory card interface, users can perform fast programming and configuring in-the-field. Occupancy sensor input enables temperature setback, or off, when a room is unoccupied. T8532-002 offers some of the most advanced thermostat programmable and non-programmable functions for fan coil, including; ...

Features: 1/16 DIN size - 48 mm x 48 mm Fuzzy Logic PID heat and cool control PID Control - Auto-tuning on cold or warm start Short panel depth - only 4-1/8" (105 mm) required Universal programmable sensor input Highly versatile - 6 types of output available Output 2 can be programmed as output or alarm Universal input power, 90-250 VAC or 11-26 VAC/VDC Highly accurate universal input Optional NEMA 4X / IP65 front panel Bumpless transfer to manual mode during sensor failure Wide variety of alarm mode selections Optional RS-232 or RS-485 communications interface Bright 0.40" (10 mm) red ...