Switch / Relay Output HVAC Controllers Datasheets

1/4 DIN Digital Controllers -- 4000A Series
from OMEGA Engineering, Inc.

The OMEGA ® 4000A Series digital controller distinguishes itself by features, construction, and operation one would expect to find only in controllers costing much, much more. Bright, easy-to-read LED digits yield an unambiguous temperature indication which is not achievable with an analog... [See More]

  • Control Signal: Analog Voltage Output (optional feature); Current Loop Output (optional feature); Switched Output (optional feature); Other (optional feature); Triac
  • Control: Limit (optional feature); PID (optional feature)
  • Controller Type: HVAC
  • Features: Rate Indication/ Control
Electronic Lead/Lag Controller -- 2430
from Sierra Monitor Corporation

Sierra Monitor ’s Electronic Lead/Lag Controller 2430 is a microprocessor-based module which performs all heating, ventilating and air conditioning (HVAC) controls and environmental alarm management in remote, above ground telecommunications structures. A compact, cost-effective solution, the... [See More]

  • Control Signal: Switched Output
  • Form Factor: Chassis
  • Controller Type: HVAC
  • Interface: Digital Front Panel
Control and Processing Unit -- TROVIS 5171
from SAMSON Controls, Inc.

Features. • Freely programmable according to IEC 61131 using. ISaGRAF ®. • Six programming languages. – Ladder Diagram (LD). – Function Block Diagram (FBD). – Structured Text (ST). – Instruction List (IL). – Flow Chart (FC). – Sequential Function... [See More]

  • Control Signal: Analog Voltage Output; Switched Output
  • Control: PID
  • Controller Type: HVAC
  • Form Factor: Chassis
Enhanced Zone Controls -- Enhanced Zone Valve Controls
from Taco, Inc.

Simplify the wiring nightmare! Taco Zone Valve Controls easy-to follow PC board layout eliminates the problems caused by incorrect wiring, while the external indicator lights provide instant diagnostic feedback. Combined with Taco Zone Valves and Thermostats, the system â € ™s... [See More]

  • Control Signal: Switched Output
  • Features: PC-Based
  • Controller Type: HVAC