Description
The Tekmar 302P is a two-zone switching relay for hydronic heating systems. It allows connection of up to two thermostats and operates two circulators while providing priority control of zone 1. Features include pump exercising to prevent seizure, post-purge of the last operating zone for energy savings, and RoomResponse signal compatibility with modulating-condensing boilers.
Features
- RoomResponse™ signal, compatible with all low voltage thermostats
- Unlimited zone expansion, zone priority
- Priority override, pump exercising
- 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
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 |
| Control Type | Microprocessor control, is not a safety/limit control |
| Dimensions | 8-3/16" H x 10-11/16" W x 2-3/8" D (208 x 271 x 60 mm) |
| Enclosure Material | ABS Plastic, Glavanized Steel |
| Enclosure NEMA Rating | NEMA 1 |
| Markets | Multifamily Homes, Single-Family Homes, Small Commercial Buildings |
| Power Supply | 115 V (ac) plus / minus 10 percent, 60 Hz, 11 A |
| Pump Relay | 115 V (ac), 5 A, 1/3 hp, 17.3 A combined |
