304V

Tekmar Zone Valve Control Four Zones with Priority

    170.32 170.32 170.32 USD

    170.32

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    Tekmar Zone Valve Control Four Zones with Priority



    Specifications

    ControlMicroprocessor control. This is not a safety (limit) control.
    Packaged weight5.0 lb. (2250 g)
    Dimensions8-3/16" H x 10-11/16" W x 2-3/8" D (208 x 271 x 60 mm)
    EnclosureCover: ABS plastic, Base: galvanized steel, NEMA type 2
    ApprovalsCSA C US
    Ambient conditionsIndoor use only, 32 to 122°F (0 to 50°C), RH ?90% non-condensing
    Power supply115 V (ac) ±10%, 60 Hz, 20 A
    Transformer40 VA, expandable to 80 VA with additional transformer M3069 (sold separately)
    Control load7 VA
    FusesT5A 250 V slow blow, two spare fuses included
    Zone valve outputs24 V (ac), 2 A max per output
    Zone valve end switch24 V (ac)
    Boiler XX end switch24 V (ac), 5 A
    DHW end switch24 V (ac), 5 A
    Mod boiler output0-10 V (dc) 500 ? min load impedance / 4-20 mA 1 k? max load impedance
    Pump relays230 V (ac), 5 A, 1/3 hp
    WarrantyLimited 3 Year Warranty

    The Zone Valve Control 304V connects up to four thermostats and operates zone valves to provide heating to a zoned hydronic heating system. The 304V operates a system pump whenever a zone valve opens. Zone 1 can operate either a zone valve or a circulator to provide heat to an indirect domestic hot water tank with optional priority over zones 2 through 4. The 304V includes optional exercising to prevent circulator seizure when not in use, and optional post purge operation of the domestic hot water tank to maximize energy savings. The 304V provides a RoomResponse™ signal to modulating-condensing boilers to optimize comfort while improving boiler efficiency.


    Features

    • Compatible with 2, 3 and 4-wire zone valves, unlimited zone expansion

    • Pump exercising, post purge

    • Zone priority, priority override

    • RoomResponse™ signal, compatible with all low voltage thermostats

     
     
    Tekmar RoomResponse Technology

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