305V
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
- Compatible with 2, 3 and 4-wire zone valves, unlimited zone expansion
- Two spare fuses included
- LED for each zone, priority, end switch and RoomResponse (TM), away signal shared between tekmar thermostats
- Post purge, LED for each zone, priority, end switch and RoomResponse (TM)
- RoomResponse (TM) signal, compatible with all low voltage thermostats
- Four ground screws, Top, bottom and back conduit knockouts
- Zone priority, priority override
- CSA approved
- Fuses protect transformers and pumps
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 |
End Switch Relay | Boiler, DHW 24 V (ac), 5 A |
Fuses | T5A 250 V slow blow, two spare fuses included |
Mod Boiler Output1 | 0-10 V (dc) 500 ohms min load impedance |
Mod Boiler Output2 | 4-20 mA 1 k ohms max load impedance |
Power Supply | 115 V (ac) plus / minus 10 percent, 60 Hz, 11 A |
Pump Relay | 230 V (ac), 5 A, 1/3 hp |
Transformer | 24 V (ac), 80 VA |
Zone Valve End Switch | 24 V (ac) |
Zone Valve Outputs | 24 V (ac) |
Zoning - Thermostat Type | Zone Valve Control |
Literature
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Literature
- Brochure - Zoning with the RoomResponse Signal
- Brochure - Hydronic Zone Control Solutions
- Brochure - Zoning with RoomResponse (Sep 2019 - Present)
- Brochure - Zoning with the RoomResponse Signal (French)
- Installation and Operation - 305V (Oct 2019 - Present)
- Job Record - 305V (Sep 2019 - Present)
- Solutions de contrôle de la zone hydronique
- Specification Sheet - 305V_C
- Visio and AutoCAD Applications - 305V
Archived