Tekmar 256 Boiler Control

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tekmar 256 Boiler Control

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Single stage boiler control used to modulate the temperature of the supply water (based on the outside temperature) in hydronic heating systems.

Easy programmability ensures quick set up.

Front panel features a large LCD display of temperature settings and a simple user adjustable comfort control.

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Control Features

Quick Setup Easy installation and programming.	Test Sequence To ensure proper boiler operation.
User Comfort Adjustment Increase or decrease temperature.	Setback Function For increased energy savings.
Advanced Settings Fine-tune according to building requirements.	Multiple Sizes 1½ to 20 BHP (larger sizes available)
Full Range Heating Curve Suitable for -60ºF to 32ºF climates.	Boiler Minimum Supply For use with any on/off boiler.

Control Functions

Boiler Differential (Auto/Manual)
Boiler Minimum Supply (Manual)
Boiler Outdoor Reset
Characterized Heating Curve
Fire Delay (Fixed)
Heating Curve Shift (Manual)

Warm Weather Shut Down (WWSD)
Water Temperature Setback
Temperature Display
Error Messages
Function Indicators

Control Applications

Control Specifications

Packaged Weight
Dimensions
Ambient Conditions
Power Supply
Relay
Demand
Sensor
Optional Devices

1.3 lb
4-3/4" H x 2-7/8" W x 7/8" D
32ºF to 104ºF
24V ±10% 50/60 Hz 3VA
240VAC 5A 1/6hp pilot duty 240VAC
24VAC 2VA
NTC Thermistor 10k @ 77ºF ß=3892
Timer 031

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Control Listings

CSA C US, meets ICES & FCC regulations for EMI/RFI

Factory Warranty

tekmar warrants each tekmar product against defects in workmanship and materials , if the product is installed and used in compliance with tekmar's instructions. The warranty period is for a period of twenty-four (24) months from the production date. If the product is not installed during that period, or twelve (12) months from the documented date of installation if installed within twenty-four (24) months from the production date.

Contact the factory for complete warranty information.

Manufacturer Information

tekmar Control Systems Ltd., Canada tekmar Control Systems, Inc., U.S.A.
Head Office: 4611 - 23rd Street Vernon, B.C. Canada V1T 4K7 Tel. (250) 545-7749 Fax. (250) 545-0650
www.tekmarcontrols.com

Specifications subject to change without notice.