Tekmar 374 Universal Reset Control - Two Mixing - Two Stage Boiler - Domestic Hot Water & Setpoint

TekmarSKU: TEK-374

Price:
Sale Price£2,152.00 GBP
Description
Tekmar 374 Universal Reset Control - Two Mixing - Two Stage Boiler - Domestic Hot Water & Setpoint

Tekmar 374 Universal Reset Control - Two Mixing - Two Stage Boiler - Domestic Hot Water & Setpoint

    Features:

    • DHW pump or valve operation, DHW priority (optional)
    • 3 Outdoor temperature reset controlled water temperatures, control up to 2 on/off boilers
    • Equal run time rotation, 2 X variable speed pump outputs or 2 X floating action mixing outputs
    • Quick setup for easy installation, user comfort adjustment to increase or decrease building space temperature
    • Boiler load reset, automatic boiler differential
    • Outdoor temperature reset, warm weather shut down
    • CSA C US certified (approved to applicable UL standards)
    • Advanced settings to fine-tune building requirements, test sequence to ensure proper operation
    • Powered boiler system and mixing system pump outputs, exercising

    Specifications:

    • Agency Approvals - CSA C US, meets class B: ICES & FCC Part 15
    • Ambient Conditions - Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 90 percent Non-condensing, Altitude less than 6560 ft. (2000 m), Installation Category II, Pollution Degree 2
    • 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 - Universal Reset Control
    • Power Supply - 115 V (ac) plus / minus 10 percent, 50/60 Hz, 1750 VA
    • Variable Pump - 230 V (ac) 2.4A 1/6 hp, fuse T2.5 A 250 V
    • Relay - 230 V (ac) 5 A, 1/3 hp, pilot duty 240 VA
    • Zone Valve Load - 89 VA, 24 V (ac), 3.7 A for zones 1 to 4
    • Sensor - NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta=3892

    Installation Manual

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