Controls:
Multiple Boiler Controllers - Operators - Gateways
OnTrac® Multiple Boiler Controls - models CS-4 and CS-8
 

Touch-screen interface, multiple boiler control
Two models: CS-8 with 8-inch color panel and CS-4 with 4-inch color panel

Controls up to 20 boilers, including rotation, sequencing, firing rate control and outdoor reset.
For hybrid (condensing and non-condensing combined) or standard boiler systems
Modbus TCP/IP communication to Building Automation System

Capabilities brochure (pdf), installation/wiring manual (pdf)
CS-8 literature: equipment list (pdf), submittal (pdf), programming manual (pdf)
CS-4 literature: equipment list (pdf), submittal (pdf), programming manual (pdf)

TempTrac® Operating Control

Electronic boiler operator with LED readouts of boiler water temperature and alarm indication

Operating modes: static loop setpoint, outdoor reset and setback
Remote network communication via 485 serial connection with ModBus RTU protocol

Modulating, stage-fired and on/off burner control
Fully programmable setpoints and differentials for staging and modulation
Fully customizable outdoor reset curve
Overview flyer (pdf) Basic operating manual (pdf) Advanced operating manual (pdf) ModBus register list (pdf)
Modbus RTU manual (pdf)

 

Protocol Gateways: For both OnTrac® and TempTrac® controls
gatewayCustom mapped gateways are available to convert Modbus RTU or TCP/IP to BACnet MSTP, BACnet IP, LonWorks or Johnson Controls N2.
Modbus to BacNet MSTP and IP setup manual for TempTrac and OnTrac controls (pdf)