Tekmar 268 Control – Nine Stage Boiler & Domestic Hot Water / Setpoint (Discontinued)

Description

Tekmar 268 Control – Nine Stage Boiler & Domestic Hot Water / Setpoint (Discontinued).

Features:

• warm weather shut down, automatic boiler differential
• 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 system pump output
• Exercising, DHW pump or valve operation
• Control up to 9 on-off boilers, boiler pump operation (optional)
• Test sequence to ensure proper component operation
• Outdoor temperature reset, setback input for energy savings
• DHW priority (optional), equal run time rotation

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 – 115 V (ac) plus / minus 10 percent, 50/60 Hz, 600 VA
• Relay – 230 V (ac) 5 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

Installation Manual