256 | Tekmar Control Systems | Thermostats & Controllers
BOILER CONTROL ONE STAGE BOILER
Brand:Tekmar Control Systems
MPN:256
SKU:256
product series specifications
Ambient Conditions: Indoor use only, 32 to 104 °F (0 to 40 °C), RH less than or equal to 90 percent non-condensing
Control Type: Microprocessor control, this is not a safety (limit) control
Demand: 24 V (ac) 2 VA
Dimensions: 4 3/4" H x 2 7/8" W x 7/8" D (120 x 74 x 22 MM)
Enclosure Material: White PVC plastic
Enclosure NEMA Rating: NEMA 1
Hydronic - HVAC Control Type: Boiler Control
Power Supply: 24 V plus / minus 10 percent, 50/60 Hz, 3 VA, Class 2
Relay: 240 V (ac) 5 A 1/6 hp
Sensor: NTC thermistor, 10 kΩ at 77°F (25°C plus / minus 0.2°C) Beta=3892
product series features
- Outdoor temperature reset
- Setback input for night setback
- Warm weather shut down
- Automatic boiler differential
- Quick setup for easy installation and programming
- Advanced settings to fine-tune building requirements
- Test sequence
- CSA C US certified (approved to applicable UL standards)
more information & related documents
Series Description
The Boiler Control 256 is designed to operate a single boiler using Outdoor Temperature Reset. It can be used in applications ranging from a single zone of baseboard to multiple zones of fan coils and baseboard. This control regulates a single heating water temperature through Outdoor Temperature Reset.
Kele Description
BOILER CONTROL ONE STAGE BOILER
Manufacturer
Tekmar Control Systems
Related Documents
Submittal 
