Tekmar 261 - Outdoor Two Stage Boiler Control and Outdoor Temperature Reset
Tekmar 261 - Outdoor Two Stage Boiler Control and Outdoor Temperature Reset
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Tekmar 261 Outdoor Two Stage Boiler Control and Outdoor Temperature Reset.
Tekmar 261 Boiler Control is designed to stage two on/off boilers using Outdoor Temperature Reset. It can be used in applications ranging from a single zone of baseboard, multiple baseboard and fan coil zones, to dedicated setpoint heating in commercial 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 boilers, or a single 2 stage boiler, as well as the system pump.
Product Features:
- Test sequence to ensure proper component operation
- warm weather shut down, automatic boiler differential
- Outdoor temperature reset, setback input for energy savings
- 2 Stage boiler control
- Quick setup for easy installation and programming of control
- User comfort adjustment to increase or decrease building space temperature
- Advanced settings to fine-tune building requirements
- Powered boiler pump output
- SKU: Tekmar 261
Specifications | |
---|---|
Agency Approvals | CSA C US, meets class B: ICES & FCC Part 15 |
Ambient Conditions | Indoor use only, 32 to 113 degrees F (0 to 45 degrees C), RH less than or equal to 90 percent Non-condensing |
Control Type | Microprocessor control, this is not a safety (limit) control |
Demand | 20 to 260 V (ac) 2 VA |
Dimensions | 6-5/8" H x 7-9/16" W x 2-13/16" D (170 x 193 x 72 mm) |
Enclosure Material | Blue PVC plastic |
Enclosure NEMA Rating | NEMA 1 |
Hydronic - HVAC Control Type | Boiler Control |
Power Supply | 120 V (ac) plus / minus 10 percent, 50/60 Hz, 1300 VA |
Relay | 240 V (ac) 10 A, 1/3 hp |
Sensor | NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta=3892 |