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4-9
T-283
b. Use a digital volt-ohmmeter measure voltage across
the transducer and compare to values in Table 4-2. A
reading within two percent of the values in the table
would be considered good.
Table 4-2. Suction and Discharge Pressure
Transducer (SPT and DPT) Voltage
Psig Voltage Psig Voltage Psig Voltage
20”
0.369
105
1.495
220
2.622
10”
0.417
110
1.544
225
2.671
0
0.466
115
1.593
230
2.720
5
0.515
120
1.642
235
2.769
10
0.564
125
1.691
240
2.818
15
0.614
130
1.740
245
2.867
20
0.663
135
1.789
250
2.916
25
0.712
140
1.838
255
2.965
30
0.761
145
1.887
260
3.014
35
0.810
150
1.936
265
3.063
40
0.858
155
1.985
270
3.112
45
0.907
160
2.034
275
3.161
50
0.956
165
2.083
280
3.210
55
1.007
170
2.132
285
3.259
60
1.054
175
2.181
290
3.308
65
1.103
180
2.230
295
3.357
70
1.152
185
2.279
300
2.406
75
1.204
190
2.328
305
3.455
80
1.250
195
2.377
310
3.504
85
1.299
200
2.426
315
3.553
90
1.348
205
2.475
320
3.602
95
1.397
210
2.524
325
3.651
100
1.446
215
2.573
330
3.700
4.15 Replacing Sensors and Transducers
a. Turn main battery disconnect switch to OFF position
and lock.
b. Tag and disconnect wiring from defective sensor or
transducer.
c. Remove and replace defective sensor or transducer.
d. Connect wiring to replacement sensor or transducer.
e. Checkout replacement sensor or transducer. (Refer
to section 4.13, 4.14 or 4.15, as applicable.)
f. Repair or replace any defective component(s), as
required.
4.16 Controller Configuration
When a controller is replaced it must be configured to
work in the model of unit it is being installed in. Table 4-3
shows the configuration jumper settings that must be set
to correctly operate the Capri-280 SEPTA unit.
Summary of Contents for CAPRI-280
Page 1: ...Model CAPRI 280 Septa T 283 Bus Air Conditioning Equipment...
Page 39: ...5 2 Figure 5 1 Electrical Wiring Schematic Diagram Drawing No 62 10112 00 Sheet 1 of 3...
Page 40: ...5 3 Figure 5 1 Electrical Wiring Schematic Diagram Drawing No 62 10112 00 Sheet 2 of 3...
Page 41: ...5 4 Figure 5 1 Electrical Wiring Schematic Diagram Drawing No 62 10112 00 Sheet 3 of 3...