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Maintenance
Chilled Leaving Water Temperature (CLT) and
Chilled Return Water Temperature (CRT) Sensors
Temperature
Resistance
°C (°F)
ohms
-10° (14°)
16598
-7.8° (18°)
14896
-6.1° (21°)
13388
-3.9° (25°)
12047
-2.2° (28°)
10856
0.0° (32°)
9795
2.2° (36°)
8849
3.9° (39°)
8005
6.1° (43°)
7251
7.8° (46°)
6575
10° (50°)
5970
20° (68°)
3748
30° (86°)
2417
40° (104°)
1598
TEST POINTS:
Leaving Water .................................................... Microboard J11-7/1
Return Water ..................................................... Microboard J11-8/2
Ambient Temperature Sensor
Temperature
Resistance
°C (°F)
ohms
-10° (14°)
55330
-5° (23°)
42227
0.0° (32°)
32650
5° (4°)
25390
10° (50°)
19900
15° (59°)
15710
20° (68°)
12490
25° (77°)
10000
30° (86°)
8057
35° (95°)
6530
40° (104°)
5327
TEST POINT:
Test Point ........................................................... Microboard J11-9/3
158
SENSOR CALIBRATION CHARTS
Voltage
VDC
1,45
1,57
1,69
1,80
1,93
2,05
2,17
2,30
2,42
2,54
2,66
3,22
3,69
4,05
Voltage
VDC
0,97
1,20
1,45
1,72
2,00
2,29
2,58
2,85
3,11
3,35
3,57
Oil Temperature Sensor
Temperature
Resistance
°C (°F)
ohms
0° (32°)
163250
10° (50°)
99500
20° (68°)
62450
30° (86°)
40285
40° (104°)
26635
50° (122°)
18015
60° (140°)
12440
70° (158°)
80° (176°)
90° (194°)
100° (212°)
110° (230°)
120° (248°)
130° (266°)
140° (284°)
150° (302°)
TEST POINTS:
Oil Temperature:
System 1: .................................................. Extension-board J10-7/3
System 2: .................................................. Extension-board J10-6/2
Discharge Temperature:
System 1: .................................................... Extension-board J8-4/1
System 2: .................................................... Extension-board J8-6/3
Pressure Transducers
0 - 200 PSIG Transducer
Pressure
Voltage
PSIG
VDC
0
0,5
25
1,0
50
1,5
75
2,0
100
2,5
125
3,0
150
3,5
175
4,0
200
4,5
Red Wire = 5v, Black wire = 0v, White/Green Wire = signal
TEST POINTS:
Suction Pressure:
System 1: .......................................................... Microboard J13-7/1
System 2: .......................................................... Microboard J14-7/1
Oil Pressure:
System 1: .......................................................... Microboard J13-8/3
System 2: .......................................................... Microboard J14-8/3
Discharge Pressure:
System 1: .......................................................... Microboard J15-8/3
System 2: .......................................................... Microboard J15-7/1
FORM 150.52-NM2 (1001)
Voltage
Vdc
0,282
0,447
0,676
0,976
1,34
1,76
2,20
8760
2,63
6290
3,04
4588
3,40
3400
3,71
2556
3,96
1946
4,17
1504
4,33
1174
4,46
926
4,57
0 - 400 bar Transducer
Pressure
Voltage
BAR
VDC
0
0,5
50
1,0
100
1,5
150
2,0
200
2,5
250
3,0
300
3,5
350
4,0
400
4,5
YORK INTERNATIONAL
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