Carrier AquaForce B Series Controls, Start-Up, Operation, Service And Troubleshooting Instructions page 58

THERMISTOR ID
EWT Entering Water Temperature Thermistor
LWT Leaving Water Temperature Thermistor
OAT Outdoor Air Temperature Thermistor
SGTA Circuit A Suction Gas Temperature Thermistor
SGTB Circuit B Suction Gas Temperature Thermistor
DGTA Circuit A Discharge Gas Temperature Thermistor
DGTB Circuit B Discharge Gas Temperature Thermistor
LIQT_A Circuit A Liquid Line Temperature Thermistor
LIQT_B Circuit B Liquid Line Temperature Thermistor
ECTA Circuit A Economizer Temperature Thermistor
ECTB Circuit B Economizer Temperature Thermistor
DUAL Dual Chiller Leaving Water Temperature Thermistor
Comp A Temp Circuit A Compressor Motor Temperature Thermistor
Comp B Temp Circuit B Compressor Motor Temperature Thermistor
SPT Space Temperature Thermistor
Table 37 — Compressor Thermistor Temperature vs. Resistance
°F
–22
–13
–4
5
14
23
32
41
50
59
68
77
86
95
104
113
122
131
140
149
158
167
176
185
194
203
212
221
230
239
248
257
266
275
284
293
302
Table 36 — Thermistor Identification
DESCRIPTION
°C
–30
–25
–20
–15
–10
–5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
58
RESISTANCE AT 77°F (25°C)
5k 
5k 
5k 
5k 
5k 
5k 
5k 
5k 
5k 
5k 
5k 
5k 
5k 
5k 
10k 
Nominal Resistance, Ohms
88,500
65,210
48,535
36,477
27,665
21,162
16,325
12,696
9,950
7,854
6,245
5,000
4,029
3,266
2,664
2,185
1,802
1,493
1,244
1,042
CONNECTION POINT
SIOBA-J25-AI01
SIOBA-J25-AI02
SIOBA-J25-AI03
AUXA-J6-CH12
AUXB-J6-CH12
AUXA-J6-CH11
AUXB-J6-CH11
AUXA-J7-CH13
AUXB-J7-CH13
SIOBA-J25-AI05
SIOBB-J25-AI05
SIOBB-J25-AI03
SIOBA-J25-AI04
SIOBB-J25-AI04
EMM-J6-CH2
876
741
629
536
459
394
340
294
256
223
195
171
151
133
117
104
93