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401

Part of the 401 Series

Ordering Code: 401

UPC: 779655040101

tN2 House Control, Boiler, DHW and Setpoint, Four Zone Pumps

 

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  • Outdoor temperature reset, indoor temperature feedback
  • Setpoint operation, automatic boiler differential
  • For use with tekmarNet (R) 2 thermostats only, tN4 expansion terminals
  • Only requires 2 Wires Per Zone, Four 115 V (ac) powered zone outputs
  • Exercising, boiler protection
  • Powered pump outputs, System Setback (with optional Timer)
  • DHW post purge, single on/off, two stage, or modulating boiler control
  • Warm weather shut down, zone synchronization
  • DHW control, DHW priority (optional)
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
Calls Setpoint and DHW calls, Short, 0 - 32 V (ac)
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 Power 115 V (ac) 12 A max
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