JOHNSON CONTROLS
170
FORM 150.72-NM1 (1020)
Service and Troubleshooting
Liquid & Refrigerant Sensor Test Points
(Table 25)
Entering Chilled Liquid Sensor
J6-5 = +5VDC regulated supply to sensor.
J6-8 = VDC input signal to the I/O board. See Table 25
for voltage readings that correspond to specific
liquid temperatures.
J6-2 = drain (shield connection = 0VDC) Return
Leaving Chilled Liquid Temperature Sensor
J6-4 = +5VDC regulated supply to sensor.
J6-7 = VDC input signal to the microboard. See Table
25 for voltage readings that correspond to
specific liquid temperatures.
J6-1 = drain (shield connection = 0VDC) Return
TABLE 25 – ENTERING/LEAVING CHILLED LIQUID
TEMP. SENSOR, TEMPERATURE/
VOLTAGE CORRELATION
TEMP °F
VOLTAGE
(Signal Input
to Return)
TEMP °C
10
1.33
-12
12
1.39
-11
14
1.46
-10
16
1.51
-9
18
1.58
-8
20
1.65
-7
22
1.71
-6
24
1.78
-4
26
1.85
-3
28
1.91
-2
30
1.98
-1
32
2.05
0
34
2.12
1
36
2.19
2
38
2.26
3
40
2.33
4
42
2.40
6
44
2.47
7
46
2.53
8
48
2.60
9
50
2.65
10
52
2.73
11
54
2.80
12
56
2.86
13
58
2.92
14
60
2.98
16
62
3.05
17
64
3.11
18
66
3.17
19
68
3.23
20
70
3.29
21
72
3.34
22
74
3.39
23
76
3.45
24
78
3.5
26
80
3.54
27
Summary of Contents for YORK Tempo YLAA Series
Page 4: ...JOHNSON CONTROLS 4 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...
Page 12: ...JOHNSON CONTROLS 12 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...
Page 14: ...JOHNSON CONTROLS 14 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...
Page 18: ...JOHNSON CONTROLS 18 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...
Page 36: ...JOHNSON CONTROLS 36 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...
Page 49: ...FORM 150 72 NM1 1020 49 JOHNSON CONTROLS THIS PAGE INTENTIONALLY LEFT BLANK...
Page 71: ...FORM 150 72 NM1 1020 71 JOHNSON CONTROLS THIS PAGE INTENTIONALLY LEFT BLANK...
Page 73: ...FORM 150 72 NM1 1020 73 JOHNSON CONTROLS 5 5...
Page 75: ...FORM 150 72 NM1 1020 75 JOHNSON CONTROLS 5 5...
Page 77: ...FORM 150 72 NM1 1020 77 JOHNSON CONTROLS 5 5...
Page 79: ...FORM 150 72 NM1 1020 79 JOHNSON CONTROLS 5 5...
Page 81: ...FORM 150 72 NM1 1020 81 JOHNSON CONTROLS 5 5...
Page 83: ...FORM 150 72 NM1 1020 83 JOHNSON CONTROLS 5 5...
Page 85: ...FORM 150 72 NM1 1020 85 JOHNSON CONTROLS 5 5 LD13901...
Page 87: ...FORM 150 72 NM1 1020 87 JOHNSON CONTROLS 5 5...
Page 89: ...FORM 150 72 NM1 1020 89 JOHNSON CONTROLS 5 5 LD13232...
Page 91: ...FORM 150 72 NM1 1020 91 JOHNSON CONTROLS THIS PAGE INTENTIONALLY LEFT BLANK...
Page 92: ...JOHNSON CONTROLS 92 FORM 150 72 NM1 1020 Technical Data WIRING LD13238 FIG 22 WIRING...
Page 93: ...FORM 150 72 NM1 1020 93 JOHNSON CONTROLS 5 5 LD13239...
Page 176: ...JOHNSON CONTROLS 176 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...
Page 191: ...FORM 150 72 NM1 1020 191 JOHNSON CONTROLS 10 NOTES...
