Transcription of T158 PROPORTIONAL THERMOSTAT - PECO …
1 P E C O A U T O M AT I O N A N D C O N T R O L ST 1 5 8 P R O P O R T I O N A L T H E R M O S TATS M A R T E N E R G Y M A N A G E M E N THIGHLIGHTS 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 DisplayDigital Controller for Accurate Zone ComfortThe 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 Digital DisplayThe digital display, with easy-to-use adjustment buttons, allows convenient access to current zone temperature, setpoint temperature and operating mode.
2 Adjustable for Application RequirementsOptional pipe sensor changeover, setback and staged heat functions are available, on selected models, for adapting to application 1 5 8 P R O P O R T I O N A L T H E R M O S TATWIRING DIAGRAM Copyright 2008. PECO Inc. All Rights Reserved. P/N 69268 3220-2075 Rev 0 LCT158D0908 PECO is a registered trademark of PECO, Inc. The PECO logo is a trademark and/or service mark of PECO, Inc. Automation and ControlsDivision of PECO, Box 82189, Portland, OR 97282 Phone: 800-874-8547 / 503-233-6401 Email: SPECIFICATIONST emperature Range 50 to 90 F / 10 to 32 C Operating Differential 1 F / CProportional Band 2 F / 1 CMaximum Ambient 130 F / 54 CLoad Connections Terminal blocksMounting Installs on a standard 2" x 4" ( x mm) device box Agency Approvals UL, UL Canada, CERATINGS3-WIRE VALVEON/OFF OUTPUTMOUNTING INSTRUCTIONSMODEL SELECTION GUIDEM odel Part Number DescriptionTA158-100 68730 Auto-Heat-Cool-Off, Off-Hi-Med-Lo Fan, On/Off ValvesTB158-100 68731 Auto-Heat-Cool-Off, Off-Hi-Med-Lo Fan, 3-Wire or On/Off ValvesTC158-100 68732 Auto-Heat-Off, On-Auto FanTH158-100 68733 Heat Pump Control, Auto-Heat-Cool-Off, Auto-On Fa
