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System Malfunctions – continued –

Note

The system malfunctions caused by the temperature transmitter TRV 5-40 will also

result in system malfunctions in the control units NRS 1-40.1 and NRS 1-40.2, which

means that the output contacts open instantaneously and the signal outputs are

energised/de-energised in a pulse-controlled way.

When contacting our Technical Services please state the indicated error code.

Basic values of measuring resistors

°C 0 10 20 30 40 50 60 70 80 90 100 Ω /grd

0 100.00 103.90 107.79 111.67 115.54 119.40 123.24 127.07 130.89 134.70 138.50 0.385

100 138.50 142.28 146.06 149.82 153.57 157.32 161.04 164.76 168.47 172.16 175.84

0.373

200 175.84 179.51 183.17 186.82 190.46 194.08 197.70 201.30 204.88 208.46 212.03 0.361

300 212.03 215.58 219.13 222.66 226.18 229.69 233.19 236.67 240.15 243.61 247.06 0.350

400 247.06 250.50 253.93 257.34 260.75 264.14 267.52 270.89 274.25 277.60 280.93 0.338

500 280.93 284.26 287.57 290.87 294.16 297.43 300.70 303.95 307.20 310.43 313.65 0.327

600 313.65 316.86 320.05 323.24 326.41 329.57 332.72 335.86 338.99 342.10 345.21 0.315

700 345.21 348.30 351.38 354.45 357.51 360.55 363.59 366.61 369.62 372.62 375.61 0.304

800 375.61 378.59 381.55 384.50 387.45 390.38 0.295

Basic values of measuring resistors according to DIN 43760 for Pt 100.

Checking the switchpoints

The switchpoints should be checked during commissioning and whenever the measuring elements of

the temperature sensors or of the temperature transmitter TRV 5-40 are being exchanged.

To check the switchpoint “MAX temperature limit (°C)” the adjusted limit value must be exceeded.

The equipment must then response as if there were an alarm situation.

Checking Installation and Functions

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Flowserve TRV5-40 Bedienungsanleitung Seite 21