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Boiler Control - Nine Stage Boiler Control & Setpoint

SKU:268

Brand: Tekmar

Boiler Control - Nine Stage Boiler Control & Setpoint
Qty	Price
	$999.95 / each

In Stock! Ships in 24-48 Hours

12 Available

Specs

Product Specs
Application:	Multiple Boilers
Stages: ? Stages close Stages describes the number of heat or cool sources that you need to control with a single thermostat.	9
Width:	7-9/16"
Height:	6-5/8"
User Interface:	LCD
	Push Button
Voltage: ? Voltage close Voltage, or volts, is a measurement of the difference between two electric fields (in heating terms, the difference between the Earth's electrical field and the electricity running through your wires).	260v
Depth:	2-13/16"
Ambient Conditions:	Indoor Only: 32°-122°F < 90% RH non-condensing
Power Supply:	115V (ac)
Relays:	230 V (ac) 5 A-1/3 hp- pilot duty 240 VA
Temperature Range (F):	60°-220°F
Control:	Microprocessor PID control
Weight:	3.3 lbs
Demands:	20 to 260 V (ac) 2 VA
Sensors:	NTC Thermistor 10 k ohm @ 77°F
Output:	0-20 mA / 4-20 mA (up to 1000 ohm load)

Description for Tekmar 268

Control Description
The Boiler Control 268 is a microprocessor-based nine stage boiler control. The 268 can provide either outdoor reset and setpoint operation or outdoor reset and DHW operation. The 268 stages and has Equal Run Time Rotation of the boilers and also operates the system pump and individual boiler pumps. One, two, three and four stage on / off boilers can be operated. The 268 also has options for fixed lead and fixed last rotation sequences. A contact is also available for either a combustion air damper or external alarm. The control can provide outdoor reset using an outdoor sensor or the control can accept a 0 -10 V (dc) signal from an EMS / BAS to establish the required water temperature.
Specifications:
Literature: D 268, A 268's, D 001, D 070
Control: Microprocessor PID control; This is not a safety (limit) control
Packaged Weight: 3.3 lb. (1500 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 122+F (0 to 50+C), < 90% RH non-condensing
Power Supply: 115 V (ac) +10% 50/60 Hz 600 VA
Relays: 230 V (ac) 5 A, 1/3 hp, pilot duty 230 VA
Demands: 20 to 260 V (ac) 2 VA
Sensors Included: NTC thermistor, 10 kΩ @ 77+F (25+C +0.2+C) +=3892 Outdoor Sensor 070 and 2 of Universal Sensor 071
Optional Devices: tekmar type #: 032, 071