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Specifications
Control Microprocessor based PID modulating control (NOT a safety limit)
Environment -40 °F to 140 °F, <90% RH non-condensing
Input Power 24 VAC, 500mA
Relays System Pump, Damper, Circulator, Alarm, DHW Pump (v2.x), 8A 250 VAC resistive
K8 on J4.2 &.6 for Base Loading
AC Interlocks 24 VAC – 120 VAC input
Control Inputs AA, Heat Demand, 4-20mA Enable, OA override, T1-T2 (dry contact inputs)
4-20mA, 0-10VDC
Dimensions 9” wide: 6” high: 2” deep
Temperature Sensors NTC thermistor, 10K @ 77 °F, 335.67K @ -40 °F, 185 @ 150 °F, +/- 1 F
USB 1.0
RS485 MODBUS Modbus RTU
Boiler-to-Boiler HeatNet (H-Net)
Network Optional LonWorks, BACnet available bridge to MODBUS port
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