The tekmarNet® 2 House Control 400 is designed to operate all of the mechanical equipment in a residential hydronic heating system, coordinating their operation with network communication. It can be used in applications ranging from a single zone of baseboard with an on/off boiler, to multiple radiant floor zones with a modulating/condensing boiler. This control regulates one space heating water temperature through Outdoor Temperature Reset and Indoor Temperature Feedback. It is capable of controlling a single on/off, two stage, or modulating boiler, Domestic Hot Water, setpoint loads, 4 on-board zone valves, and can expand up to 24 zones in total.
Features
- Automatic Boiler Differential
- Boiler Protection
- DHW Post Purge
- DHW Priority (optional)
- DHW control
- Exercising
- For use with tekmarNet®2 thermostats ONLY
- Four 24 V (ac) powered zone outputs
- Indoor Temperature Feedback
- One touch overrides (with optional User Switch)
- Only requires 2 Wires Per Zone
- Outdoor Temperature Reset
- Powered pump outputs
- Setpoint operation
- Single on/off, two stage, or modulating boiler control
- System Setback (with optional Timer)
- Warm Weather Shut Down
- Zone Synchronization
- tN4 expansion terminals