Orion-system Water Source Heat Pump Module Manual de usuario descargar pdf (Pagina 16)

Water Source Heat Pump Module

Technical Guide

OE275-01 Suction Pressure Transducer

Testing for R-410A Refrigerant

The Evaporator Coil Temperature is calculated by converting the Suc-

tion Pressure to Temperature. The Suction Pressure is obtained by using

the OE275-01 Suction Pressure Transducer, which is connected into the

Suction Line of the Compressor.

Use the voltage column to check the Suction Pressure Transducer while

connected to the WSHP Module. Read voltage with a meter set on DC

volts. If the temperature/voltage or pressure/voltage readings do not

align closely with the chart, your Suction Pressure Transducer is prob-

ably defective and will need to be replaced.

See the OE275-01 Suction Pressure Transducer, Pressure, Temperature,

and Voltage Chart for R-410A Refrigerant testing (Table 6). The chart

shows a temperature range from 20°F to 80°F. For troubleshooting pur-

poses, the DC Voltage readings are also listed with their corresponding

temperatures and pressures.

Table 6: Coil Pressure/Voltage/Temp for OE275-01

Suction Pressure Transducers - R-410A Refrigerant

Troubleshooting

OE275-01 Suction Pressure Transducer Coil Pressure

– Temperature – Voltage Chart for R-410A Refrigerant

Temperature

°F

Pressure

PSI

Signal

DC Volts

Temperature

°F

Pressure

PSI

Signal

DC Volts

21.19 80.94 1.8 59.03 168.10 3.2

24.49 87.16 1.9 61.17 174.32 3.3

27.80 93.39 2.0 63.19 180.55 3.4

30.99 99.62 2.1 65.21 186.78 3.5

33.89 105.84 2.2 67.23 193.00 3.6

36.80 112.07 2.3 69.24 199.23 3.7

39.71 118.29 2.4 71.15 205.46 3.8

42.30 124.52 2.5 72.95 211.68 3.9

44.85 130.75 2.6 74.76 217.91 4.0

47.39 136.97 2.7 76.57 224.14 4.1

49.94 143.2 2.8 78.37 230.36 4.2

52.23 149.42 2.9 80.18 236.59 4.3

54.50 155.65 3.0

56.76 161.88 3.1

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Orion-system Water Source Heat Pump Module Manual de usuario Pagina 16

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