The tekmarNet® 2 House Control 403 is designed to operate all of the
mechanical equipment in a residential hydronic heating system,
coordinating their operation through network communication. It can be used
in applications ranging from a single zone of baseboard with an on/off
boiler, to multiple fan coils, mixed radiant floor heating zones, and a
modulating/condensing boiler. This control regulates up to two heating
water temperatures through Outdoor Temperature Reset and Indoor
Temperature Feedback. It is capable of controlling a single on/off, two
stage, or modulating boiler, a mixing device, Domestic Hot Water, setpoint
loads, 4 on-board zone pumps, and can expand up to 24 zones in total for
each space heating water temperature.
- Only requires 2 Wires Per Zone, Four 115 V (ac) powered zone
outputs
- For use with tekmarNet® 2 thermostats only, tN4 expansion terminals
- Outdoor temperature reset, indoor temperature feedback
- Warm weather shut down, zone synchronization
- DHW post purge, DHW control
- DHW priority (optional), setpoint operation
- Expandable up to 48 zones, single on/off, two stage, or modulating
boiler control
- Variable speed, floating action, or proportional mixing control,
automatic boiler differential
- Exercising, boiler protection
