Peco TA158-100 - User Manual

PECO AUTOMATION AND CONTROLS
T158 PROPORTIONAL THERMOSTAT
SMART ENER GY MANAG EMENT
HIGHLIGHTS
• Microprocessor Control
• Local or Remote Sensing
• On/Off Temperature Control Output
• Three-Wire Floating Control Output (TB158)
• Three Speed Fan Switching
• 2-Pipe/4-Pipe Configuration
• Manual or Auto Changeover
• Setback Capability
• Staged Heat (TB158)
• Operates at 50 or 60 Hz
• Fahrenheit or Celsius Display
Digital Controller for Accurate Zone Comfort
The T158 microprocessor-controlled thermostat is a stand-alone digital
controller that supplies 24 VAC output control for valves, dampers, relays and
three-wire floating valves. The use of an advanced proportional integral (PI)
algorithm allows precise control of zone comfort under varying operational and
environmental conditions.
Easy-to-Use Digital Display
The digital display, with easy-to-use adjustment buttons, allows convenient
access to current zone temperature, setpoint temperature and operating
mode.
Adjustable for Application Requirements
Optional pipe sensor changeover, setback and staged heat functions are
available, on selected models, for adapting to application requirements.

Summary

T158 Proportional Thermostat Features

Digital Controller for Accurate Zone Comfort

Stand-alone digital controller with 24 VAC output for valves and dampers, using PI algorithm for precise zone comfort.

Easy-to-Use Digital Display

Digital display with adjustment buttons for convenient access to temperature, setpoint, and operating mode.

Adjustable for Application Requirements

Optional pipe sensor, setback, and staged heat functions available for adapting to application needs.

Technical Specifications and Ratings

Technical Specifications

Details temperature range, operating differential, proportional band, maximum ambient, load connections, and mounting.

Ratings

Provides electrical ratings (voltage, current) for inductive, resistive, and pilot duty applications.

Wiring and Mounting

Wiring Diagrams

Illustrates 3-wire valve and ON/OFF output wiring configurations.

Mounting Instructions

Provides dimensions and guidance for mounting the thermostat on a standard device box.

Model Selection Guide

Model Selection

Lists available models (TA158, TB158, TC158, TH158) with part numbers and descriptions.

Peco TA158-100 Specifications

General

Model	TA158-100
Voltage	24 VAC
Switch Type	SPDT
Stages	1 Heat/1 Cool
Application	HVAC