Products & Solutions

Modular Electronic Control Systems

A350S Series: Temperature Modular Control

Systems 350 Modular Temperature Control System: A350E Series

Description

The A350S Reset Module is designed to raise or lower the setpoint of supply water or supply air temperature based upon a proportionate change in temperature at the master sensor. The A350S has no relay output and must be used with S350 Stage Modules to operate the equipment.

Features 
  • Modular design enables stage, display, and transformer modules to be purchased and installed as necessary
  • Plug-together connectors and 35 mm DIN rail mountability eliminate wiring between modules and reduce installation costs
  • Field-selectable reset direction works in direct or reverse reset applications
  • Adjustable reset ratio adapts to a variety of weather zones and to the specific heat loss characteristics of most buildings
  • Adjustable master reset setpoint (M.R.S.) enables the user to select a master (outdoor) sensor temperature starting point for the supply reset ramp
  • Adjustable minimum and maximum supply temperature permits compliance with equipment manufacturer’s specifications


Applications

  • Reset of chilled water supply temperature setpoint
  • Reset of discharge air temperature setpoint
  • Reset of zone temperature setpoint


Accessories

  • Must be used in conjuction with the S350 Stage Modules

 

Literature

Selection Chart
A350 S Series
Suppliers Contact Site map Social Media Privacy Terms of use Feedback
© 2013 Johnson Controls. All rights reserved.