Tekmar 303P Relay Switching Three Zones With Priority


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Description

Tekmar 303P Relay Switching Three Zones With Priority

Tekmar 303P Relay Switching Three Zones With Priority

    Features:

    • Away signal shared between tekmar thermostats

    • CSA approved

    • Compatible with all low voltage thermostats

    • Four ground screws

    • Fuses protect transformers and pumps

    • LED for each zone, priority, end switch and RoomResponse™

    • Post purge

    • Priority override

    • Pump exercising

    • RoomResponse™ signal

    • Top, bottom and back conduit knockouts

    • Two spare fuses included

    • Unlimited zone expansion

    • Zone priority

    Specifications:

    • Packaged Weight - 5lb
    • Control - Microprocessor control. This is not a safety (limit) control
    • Dimensions - 8-3/16" H x 10-11/16" W x 2-3/8" D (208 x 271 x 60 mm)
    • Enclosure - Cover: ABS plastic, Base: galvanized steel, NEMA type 1
    • Approvals - CSA C US, RoHS
    • Ambient Conditions - Indoor use only, 32 to 122°F (0 to 50°C), RH ≤90% non-condensing
    • Power Supply - 115 V (ac) ±10%, 60 Hz, 16 A
    • Transformer - 40 VA at 24 V (ac), expandable to 80 VA with additional transformer M3069 (sold separately)
    • Fuses - T5A 250 V slow blow 5 x 20 mm glass fuse, two spare fuses included
    • Control Lead - 7 VA at 24 V (ac)
    • Pump Relay - 115 V (ac), 5 A, 1/3 hp, 16 A combined
    • Boiler XX End Switch - 24 V (ac), 5 A
    • DHW End Switch - 24 V (ac), 5 A
    • Mod Boiler Output - 0-10 V (dc) 500 Ω min load impedance, 4-20 mA 1 kΩ max load impedance
    • Warranty - Limited 3 Year Warranty

    Installation Manual


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