Description
The Tekmar 305V is a five‑zone valve control panel designed for hydronic heating systems. It controls up to five thermostats and five zone valves, provides built‑in priority for Zone 1 (ideal for an indirect domestic hot water load), and supports advanced features such as pump exercising, post‑purge, and a RoomResponse signal for modulating‑condensing boiler integration.
Features
- RoomResponse™ 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™
- LED for each zone, priority, end switch and RoomResponse™, 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
Specs
| 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, 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 | ABS Plastic, Glavanized Steel |
| Enclosure NEMA Rating | NEMA 1 |
| Markets | Single-Family Homes |
| Power Supply | 115 V (ac) plus / minus 10 percent, 60 Hz, 11 A |
| Pump Relay | 230 V (ac), 5 A, 1/3 hp |
