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  Tekmar Boiler Control - Nine Stage Boiler & DHW / Setpoint
Tekmar Boiler Control - Nine Stage Boiler & DHW / Setpoint
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Tekmar Boiler Control - Nine Stage Boiler & DHW / Setpoint

The Boiler Control 268 is designed to stage multiple boilers using Outdoor Temperature Reset. It can be used in applications ranging from baseboard or mixed radiant heating systems, to dedicated domestic hot water heating in commercial buildings. This control regulates a single heating water temperature through Outdoor Temperature Reset and/or Setpoint/DHW target control. It is capable of controlling (stage and rotate) up to 9 on/off boilers as well as the system pump.

Features

  • Advanced settings to fine-tune building requirements
  • Automatic Boiler Differential
  • Boiler pump operation
  • Control up to 9 On-Off boilers
  • DHW Priority (optional)
  • DHW pump or valve operation
  • Equal Runtime Rotation
  • Exercising
  • Outdoor Temperature Reset
  • Powered boiler pump output
  • Quick setup for easy installation and programming of control
  • Setback input for energy savings
  • Test sequence to ensure proper component 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 3.3 lb. (1550 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 ≤80% to 88°F (31°C), down to 50% above 104°F (40°C), Altitude <6560 ft. (2000 m), Installation Category II, Pollution Degree
Power supply 115 V (ac) ±10%, 50/60 Hz, 600 VA
Relay capacity 230 V (ac) 5 A, 1/3 hp
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, 2 of Universal Sensor 082, and 500&#8486; Resistor
-Optional tekmar type #: 033, 071,082
Warranty Limited 3 Year Warranty

Current Literature

Installation & Operation Manual Addendum

Oct 2003 - Present

268_Bpdf

Product Submittal

Jan 2011 - Present

268_Cpdf

Installation & Operation Manual

Nov 2010 - Present

268_Dpdf

Application Brochure

Nov 2002 - Nov 2003

268_Apdf

RF Noise Interference

May 2009 - Present

SB0054pdf

Energy Savings with Outdoor Reset Brochure

P0022pdf


Part Number: 268

Quantity
Price
1$1,375.60
2 +$1,258.12


 
 
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