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400 | tN2 House Control - Boiler, DHW & Setpoint, Four Zone Valves | Tekmar
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Overview
Details for 400
tN2 House Control - Boiler, DHW & Setpoint, Four Zone Valves
The tekmarNet® 2 House Control 400 is designed to operate all of the mechanical equipment in a residential hydronic heating system, coordinating their operation with network communication. It can be used in applications ranging from a single zone of baseboard with an on/off boiler, to multiple radiant floor zones with a modulating/condensing boiler. This control regulates one space heating water temperature through Outdoor Temperature Reset and Indoor Temperature Feedback. It is capable of controlling a single on/off, two stage, or modulating boiler, Domestic Hot Water, setpoint loads, 4 on-board zone valves, and can expand up to 24 zones in total.
Features
- For use with tekmarNet® 2 thermostats only, tN4 expansion terminals
- Warm weather shut down, zone synchronization
- Exercising, boiler protection
- Only requires 2 Wires Per Zone, Four 24 V (ac) powered zone outputs
- Outdoor temperature reset, indoor temperature feedback
- Setpoint operation, automatic boiler differential
- Powered pump outputs, System Setback (with optional Timer)
- DHW control, DHW priority (optional)
- DHW post purge, single on/off, two stage, or modulating boiler control
Specifications
Item Number | 400 |
Brand | Tekmar |
Category | tekmarNet Controls |
Agency Approvals | CSA C US, meets class B: ICES & FCC Part 15 |
Ambient Conditions | Indoor use only, 32 to 104 degrees F (0 to 40 degrees C), RH less than or equal to 90 percent Non-condensing |
Boiler Stage1 Stage2 Relay | 24 V (ac) 5 A |
Control Load | 2 VA |
Control Type | Microprocessor control, this is not a safety (limit) control |
Dimensions | 5.5" H x 5.5" W x 2.25" D (140 x 140 x 57 mm) |
Enclosure Material | Blue PC+ABS plastic |
Enclosure NEMA Rating | NEMA 1 |
Hydronic - HVAC Control Type | tN2 House Control |
Modulating Output | Boiler modulation 0 - 10 V (dc) 500 ohms min load impedance, 4 - 20 mA 1 k ohms max load impedance |
Power Supply | 24 V (ac) plus / minus 10 percent, 60 Hz, 100 VA max, Class 2 |
Pump Relay | 115 V (ac) 5 A, 1/6 hp |
Sensor | NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta=3892 |
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