Orion-system Digital Room v.1 Instrukcja Użytkownika Pobierz pdf (Strona 7)

Operator Interface

DIGITAL ROOM SENSOR

Troubleshooting

Table 1: Temperature/Resistance for Type III 10K Ohm Thermistor Sensors

Temperature – Resistance – Voltage for

Type III 10K Ohm Thermistor Sensors

Temp

(ºF)

Resistance

(Ohms)

-10 93333

-5 80531

0 69822

5 60552

10 52500

15 45902

20 40147

25 35165

30 30805

35 27140

40 23874

45 21094

50 18655

52 17799

54 16956

56 16164

58 15385

60 14681

62 14014

64 13382

66 12758

68 12191

69 11906

70 11652

Temperature – Resistance – Voltage for

Type III 10K Ohm Thermistor Sensors

Temp

(ºF)

Resistance

(Ohms)

71 11379

72 11136

73 10878

74 10625

75 10398

76 10158

78 9711

80 9302

82 8893

84 8514

86 8153

88 7805

90 7472

95 6716

100 6047

105 5453

110 4923

115 4449

120 4030

125 3656

130 3317

135 3015

140 2743

145 2502

150 2288

Figure 9: Temperature/Resistance Testing

Digital Room Sensor

Back View

9302

MICROCHIP

PIC24HJ

256GP206

NOTE: ,

Table 1

For This Test The Sensor Must Be Disconnected From

Its TSDRSC Cable As Shown. The Meter Must Be Set To

Measure Resistance in Ohms. Use To Determine If The

Sensor Is Reading The Correct Resistance Value For The

Ambient Temperature. This Resistance Value Should Match The

Temperature Value Listed Next To The Resistance Value In The

Table. The Temperature Should Be Measured With A Separate

Accurate Temperature Measuring Device Located In The Area

Where The Sensor Is Currently Located.

Test Points Labeled

“Extern Therm” On

Sensor Circuit Board

TSDRSC Cable

From

Sensor To The

VAV/Zone or VCM-X

Controller Modular

Sensor Port

Disconnected

1 2 3 4 5 6 7 8 9 10 11 12 ... 15 16

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