tekmar Control Systems Wiring Center - 313

The tekmar 313 is a tekmarNet 2 wiring center for zoning hydronic heating systems. It powers up to four tekmarNet 2 thermostats and drives four 24 V (ac) zone valves.

Key features

• Only 2 wires needed per zone
• Four 24 V (ac) powered zone valve outputs
• For use with tekmarNet 2 thermostats only; supports two-stage tekmarNet 2 thermostats
• Isolated end switch for an external device such as a boiler
• Powered zone group pump output (line voltage)
• Outdoor sensor input, tN4 expansion terminals and external diagnostic LEDs

Specifications

• Brand: tekmar
• Manufacturer part number: 313
• Zones: 4 zone valves
• Power supply: 24 V (ac) ±10%, 60 Hz, 3 VA min, 99 VA max, Class 2
• Zone valve load: 24 V (ac) 2 A; maximum combined 4 A (zones 1 to 4)
• Sensor: NTC thermistor, 10 kΩ at 77°F, Beta 3892
• Ambient: Indoor use only, 32 to 122°F (0 to 50°C), up to 90% RH non-condensing
• Enclosure: Blue PC and ABS plastic, NEMA 1
• Dimensions: 5.5" H x 5.5" W x 2.25" D
• Approvals: CSA C US; meets Class B ICES and FCC Part 15
• UPC: 779655031300

The 313 is a microprocessor control and is not a safety or limit control.

Electrical connections must be made by a qualified installer following tekmar's instructions and local code.

See also: Switching Relays | tekmar Control Systems