Tekmar 400 - tekmarNet 2 House Control, Boiler, DHW and Setpoint, Four Zone Valves

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SKU: 400
Regular price $715.89

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Tekmar 400 Submittal

Tekmar 400 Installation & Operation Manual

Tekmar 400 Quick Setup Guide

Tekmar 400 - tekmarNet® 2 House Control, Boiler, DHW and Setpoint, Four Zone Valves

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:

  • For use with tekmarNet® 2 thermostats only, tN4 expansion terminals
  • Warm weather shut down, zone synchronization
  • Exercising, boiler protection
  • Only requires 2 Wires Per Zone, Four 24 V (ac) powered zone outputs
  • Outdoor temperature reset, indoor temperature feedback
  • Setpoint operation, automatic boiler differential
  • Powered pump outputs, System Setback (with optional Timer)
  • DHW control, DHW priority (optional)
  • DHW post purge, single on/off, two stage, or modulating boiler control

Specifications:

  • Agency Approvals: CSA C US, meets class B: ICES & FCC Part 15
  • Ambient Conditions: Indoor use only, 32 to 104 degrees F (0 to 40 degrees C), RH less than or equal to 90 percent Non-condensing
  • Boiler Stage1 Stage2 Relay: 24 V (ac) 5 A
  • Control Load: 2 VA
  • Control Type: Microprocessor control, this is not a safety (limit) control
  • Dimensions: 5.5" H x 5.5" W x 2.25" D (140 x 140 x 57 mm)
  • Enclosure Material: Blue PC+ABS plastic
  • Enclosure NEMA Rating: NEMA 1
  • Hydronic - HVAC Control Type: tN2 House Control
  • Modulating Output: Boiler modulation 0 - 10 V (dc) 500 ohms min load impedance, 4 - 20 mA 1 k ohms max load impedance
  • Power Supply: 24 V (ac) plus / minus 10 percent, 60 Hz, 100 VA max, Class 2
  • Pump Relay: 115 V (ac) 5 A, 1/6 hp
  • Sensor: NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta=3892

 


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