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  Tekmar Universal Reset Control - Two Mixing, Two Boiler, DHW, SP
Tekmar Universal Reset Control - Two Mixing, Two Boiler, DHW, SP
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Tekmar Universal Reset Control - Two Mixing, Two Boiler, DHW, SP

The Universal Reset Control 374 is designed to operate all of the mechanical equipment in a residential hydronic heating system. It can be used in applications ranging from a single zone of baseboard with an on/off boiler to multiple fan coils, low temperature staple up zones, low temperature in-slab radiant zones, domestic hot water, and 2 on/off boilers. It regulates up to three space heating water temperatures through Outdoor Temperature Reset. It is capable of controlling up to 2 on/off boilers, up to 2 mixing devices (either variable speed pumps or floating action mixing valves), and Domestic Hot Water or setpoint loads.

Features

  • 2 X variable speed pump outputs or 2 X floating action mixing outputs
  • 3 Outdoor Temperature Reset controlled water temperatures
  • Advanced settings to fine-tune building requirements
  • Automatic Boiler Differential
  • Boiler Load Reset
  • CSA C US certified (approved to applicable UL standards)
  • Control up to 2 On/Off boilers
  • DHW Priority (optional)
  • DHW pump or valve operation
  • Equal Run Time Rotation
  • Exercising
  • Outdoor Temperature Reset
  • Powered boiler system and mixing system pump outputs
  • Quick setup for easy installation
  • Test sequence to ensure proper operation
  • User comfort adjustment to increase or decrease building space temperature
  • Warm Weather Shut Down

Specifications

Control Microprocessor control. This is not a safety (limit) control
Packaged weight 3.5 lb. (1600 g)
Dimensions 6-5/8" H x 7-9/16" W x 2-13/16" D (170 x 193 x 72 mm)
Enclosure Blue PVC plastic, NEMA type 1
Approvals CSA C US, meets Class B: ICES & FCC Part 15
Ambient conditions Indoor use only, 32 to 122°F (0 to 50°C), RH ≤90% Non-condensing, Altitude <6560 ft. (2000 m), Installation Category II, Pollution Degree 2
Power supply 115 V (ac) ±10%, 50/60 Hz, 1750 VA
Relays 230 V (ac) 5 A, 1/3 hp, pilot duty 240 VA
Variable Pump 230 V (ac) 2.4A 1/6 hp, fuse T2.5 A 250 V
Demands 20 to 260 V (ac) 2 VA
Sensors NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892
-Included Outdoor Sensor 070 and 3 of Universal Sensor 082
Warranty Limited 3 Year Warranty

Current Literature

Product Submittal

Jan 2011 - Present

374_Cpdf

Installation & Operation Manual

Mar 2009 - Present

374_Dpdf

Application Brochure

Mar 2009 - Current

374_Apdf

RF Noise Interference

May 2009 - Present

SB0054pdf


Part Number: 374

Quantity
Price
1$1,142.50
2 +$1,049.03


 
 
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