306P
Tekmar Switching Relay Six Zones with Priority
Tekmar Switching Relay Six Zones with Priority
Specifications
| Control | Microprocessor control. This is not a safety (limit) control. |
| Packaged weight | 5.0 lb. (2250 g) |
| 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 3 |
| Approvals | CSA C US |
| 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, 20 A |
| Transformer | 40 VA, expandable to 80 VA with additional transformer M3069 (sold separately) |
| Fuses | T5A 250 V slow blow, two spare fuses included |
| Pump relays | 230 V (ac), 5 A, 1/3 hp |
| 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 ? min load impedance / 4-20 mA 1 k? max load impedance |
| Warranty | Limited 3 Year Warranty |
The Switching Relay 306P connects up to six thermostats and operates
circulators to provide heating to a zoned hydronic heating system. Zone 1
has optional priority over zones 2 through 6 and can be used to provide heat
to an indirect domestic hot water tank. The 306P includes optional
exercising to prevent circulator seizure when not in use, and optional post
purge operation of the last operating zone to maximize energy savings. The
306P provides a RoomResponse™ signal to modulating-condensing boilers to
optimize comfort while improving boiler efficiency.
- RoomResponse™ signal, compatible with all low voltage thermostats
- Unlimited zone expansion, zone priority
- Priority override, pump exercising
- Post purge, 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
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