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Zone
Zone
Installation & Wiring
SA Controller Technical Guide
22
Figure 18: OE275-01 – Suction Pressure Transducer Wiring
Suction Pressure Transducer
The OE275-01 Suction Pressure Transducer always wires directly to
the Digital Scroll Compressor Controller. See Figure 18 below for
wiring details.
The Suction Pressure Transducer is used to measure suction pressure
at the HVAC unit’s DX evaporator coil suction line. This suction line
pressure is converted to saturated refrigerant temperature by the SA
Controller. This temperature is used by the SA Controller to accurately
control the compressors and reheat cycle components to provide optimum
performance from the system during Dehumidi cation operation.
Suction Pressure Transducer Wiring
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