Tekmar 275 Boiler Control - One tN4, Four Modulating Boiler & DHW / Setpoint

Tekmar 275 Boiler Control - One tN4, Four Modulating Boiler & DHW / Setpoint
The Boiler Control 275 is designed to stage up to four condensing or non-condensing, modulating or on-off boilers using P.I.D. staging to accurately maintain temperature. Water temperature is controlled by Outdoor Temperature Reset for space heating applications or a fixed setpoint for Domestic Hot Water (DHW) tank heating or industrial process heating applications. The control will also accept an analog 0-10 V (dc) signal from an Energy Management System (EMS) to control the water temperature. Boiler Equal Run Time Rotation, pump exercising and stand-by system pump operation increase boiler plant reliability. The control is tekmarNet communication compatible allowing for internet connectivity using an optional Gateway 483.
FEATURES
Outdoor temperature reset, programmable schedules
Boiler pump(s) operation (optional), test sequence to ensure proper component operation
Equal run time rotation, exercising
Powered system pump output, alerts
Access levels
tekmarNet 4 compatible, condensing and non-condensing boiler groups
DHW pump operation, DHW priority (optional)
Control up to 4 modulating or on/off boilers, primary pump sequencing
Warm weather shut down, automatic boiler differential

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