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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