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  Tekmar Boiler Control-Three Modulating Boiler & DHW/ Setpoint
Tekmar Boiler Control-Three Modulating Boiler & DHW/ Setpoint
Click to enlarge

Tekmar Boiler Control-Three Modulating Boiler & DHW/ Setpoint

The Boiler Control 265 is designed to stage multiple modulating boilers using Outdoor Temperature Reset. It can be used in applications ranging from baseboard or 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 control. It is capable of controlling (stage and rotate) up to 3 modulating boilers by using a native 4-20 mA (or 0-20 mA) signal that can be converted to 2-10 V (dc) or 0-10 V (dc), as well as the system pump.

Features

  • Advanced settings to fine-tune building requirements
  • Automatic Boiler Differential
  • Boiler pump operation
  • Control up to 3 modulating 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, pilot duty 240 VA
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 071, and 4 of 500&#8486; Resistor
-Optional tekmar type #: 071,082
Warranty Limited 3 Year Warranty

Current Literature

Product Submittal

Jan 2012 - Present

265_Cpdf

Installation & Operation Manual

Jul 2010 - Present

265_Dpdf

Application Brochure

Jul 2010 - Current

265_Apdf

Installing the 263 and 265 Modulating Boiler Controls with Modulating Boilers

Mar 2011 - Present

SB0066_pdf

RF Noise Interference

May 2009 - Present

SB0054pdf

Energy Savings with Outdoor Reset Brochure

P0022pdf


Part Number: 265

Quantity
Price
1$1,320.90
2 +$1,231.86


 
 
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