Tekmar 261 Two Stage Heat Source Control w/ Outdoor Reset

$615.88

The 261 Control is designed to stage two on/off heat sources using Outdoor Temperature Reset. It can be used in applications ranging from a single zone of radiant, baseboard, multiple radiant or baseboard and fan coil zones, to dedicated setpoint heating in commercial or residential buildings. This control regulates a single heating water temperature through Outdoor Temperature Reset and/or setpoint target control. It is capable of controlling (stage and rotate) up to 2 on/off heat sources, or a single 2 stage heat source, as well as the system pump.

Product Documents

SKU: TK 261 Category: Tag:

Description

The 261 Control is a microprocessor-based two stage heat source control designed to regulate the supply water temperature from a single two stage heat source or two single stage heat sources based on either outdoor air temperature or a setpoint demand. The 261 can stage and rotate two single stage heat sources or it can stage a single two stage heat source. The 261 also operates the system pump.

Specifications:

  • Literature: D 261, A 261’s, D 001, D 070
  • Control: Microprocessor PID control; This is not a safety (limit) control
  • Packaged Weight: 3.0 lb. (1340 g), Enclosure A, blue PVC plastic
  • Dimensions: 6-5/8″ H x 7-9/16″ W x 2-13/16″ D (170 x 193 x 72 mm)
  • Approvals: CSA C US, meets ICES & FCC regulations for EMI/RFI
  • Ambient Conditions: Indoor use only, 32 to 113+F (0 to 45+C), < 90% RH non-condensing
  • Power Supply: 120 V +10% 50/60 Hz 1300 VA
  • Relays: 240 V (ac) 10 A 1/3 hp, pilot duty 240 VA
  • Demands: 20 to 260 V (ac) 2 VA
  • Sensors Included: NTC thermistor, 10 k @ 77+F (25+C +0.2+C) +=3892 Outdoor Sensor 070 and Universal Sensor 071
  • Optional Devices: Tekmar type #: 031, 032

Additional information

Weight 3.0 lbs
Dimensions 12 × 9 × 2 in

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