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
ADC 100 Appliance Draft Control
from Enervex, Inc.

The ENERVEX ADC100 Fan Control is used to control draft in simple fireplace systems where modulation is not required. It controls the speed of the fan to maintain proper draft in the chimney. The control can be used with Models RS and GSV, and is typically used to control the draft of a gas-fired... [See More]

  • Control Signal: Analog Voltage Output; Switched Output
  • Control: PID
  • Controller Type: HVAC
  • Form Factor: Chassis
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