305V

Product Image - 305V
Product Image - 305V
Product Image - 305V
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Part of the Zone Controls Series

Ordering Code: 305V

UPC: 779655030518

Zone Valve Control, Five Zones with Priority

 

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The Zone Valve Control 305V connects up to five thermostats and operates zone valves to provide heating to a zoned hydronic heating system. The 305V 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 5. The 305V 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 305V provides a RoomResponseTM signal to modulating-condensing boilers to optimize comfort while improving boiler efficiency.

Features

  • RoomResponse (TM) signal, compatible with all low voltage thermostats
  • Compatible with 2, 3 and 4-wire zone valves, unlimited zone expansion
  • Zone priority, priority override
  • Post purge, LED for each zone, priority, end switch and RoomResponse (TM)
  • LED for each zone, priority, end switch and RoomResponse (TM), away signal shared between tekmar thermostats
  • Four ground screws, Top, bottom and back conduit knockouts
  • Fuses protect transformers and pumps
  • Two spare fuses included
  • CSA approved
Specifications
Agency Approvals CSA C US
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
Control Load 7 VA at 24 V (ac)
Control Type Microprocessor control, this is not a safety (limit) control
Dimensions 8-3/16 in H x 10-11/16 in W x 2-3/8 in D (208 x 271 x 60 mm)
Enclosure Material Cover: ABS plastic, Base: galvanized steel
Enclosure NEMA Rating NEMA 1
Power Supply 115 V (ac) plus / minus 10 percent, 60 Hz, 11 A
Pump Relay 230 V (ac), 5 A, 1/3 hp

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