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58
Table 36 — Thermistor Identification
THERMISTOR ID
DESCRIPTION
RESISTANCE AT 77°F (25°C)
CONNECTION POINT
EWT
Entering Water Temperature Thermistor
5k
SIOBA-J25-AI01
LWT
Leaving Water Temperature Thermistor
5k
SIOBA-J25-AI02
OAT
Outdoor Air Temperature Thermistor
5k
SIOBA-J25-AI03
SGTA
Circuit A Suction Gas Temperature Thermistor
5k
AUXA-J6-CH12
SGTB
Circuit B Suction Gas Temperature Thermistor
5k
AUXB-J6-CH12
DGTA
Circuit A Discharge Gas Temperature Thermistor
5k
AUXA-J6-CH11
DGTB
Circuit B Discharge Gas Temperature Thermistor
5k
AUXB-J6-CH11
LIQT_A
Circuit A Liquid Line Temperature Thermistor
5k
AUXA-J7-CH13
LIQT_B
Circuit B Liquid Line Temperature Thermistor
5k
AUXB-J7-CH13
ECTA
Circuit A Economizer Temperature Thermistor
5k
SIOBA-J25-AI05
ECTB
Circuit B Economizer Temperature Thermistor
5k
SIOBB-J25-AI05
DUAL
Dual Chiller Leaving Water Temperature Thermistor
5k
SIOBB-J25-AI03
Comp A Temp
Circuit A Compressor Motor Temperature Thermistor
5k
SIOBA-J25-AI04
Comp B Temp
Circuit B Compressor Motor Temperature Thermistor
5k
SIOBB-J25-AI04
SPT
Space Temperature Thermistor
10k
EMM-J6-CH2
Table 37 — Compressor Thermistor Temperature vs. Resistance
°F
°C
Nominal Resistance, Ohms
–22
–30
88,500
–13
–25
65,210
–4
–20
48,535
5
–15
36,477
14
–10
27,665
23
–5
21,162
32
0
16,325
41
5
12,696
50
10
9,950
59
15
7,854
68
20
6,245
77
25
5,000
86
30
4,029
95
35
3,266
104
40
2,664
113
45
2,185
122
50
1,802
131
55
1,493
140
60
1,244
149
65
1,042
158
70
876
167
75
741
176
80
629
185
85
536
194
90
459
203
95
394
212
100
340
221
105
294
230
110
256
239
115
223
248
120
195
257
125
171
266
130
151
275
135
133
284
140
117
293
145
104
302
150
93
Summary of Contents for AquaForce 30XV140
Page 79: ...79 Fig 76 VFD Communication Wiring Compressor A B Fan VFD A1 A2 B1 B2...
Page 228: ...228 Fig 90 30XV Typical Field Wiring Schematic cont...
Page 229: ...229 Fig 91 30XV Standard Tier 140 275 All Voltages Power Schematic NOTE See Legend on page 226...
Page 230: ...230 Fig 92 30XV Standard Tier 300 325 All Voltages Power Schematic NOTE See Legend on page 226...
Page 240: ...240 Fig 99 30XV Communication Wiring...
Page 241: ...241 Fig 100 30XV 115V Control Wiring All Tonnages All Voltages...
Page 242: ...242 Fig 101 30XV 24V Control Wiring 30XV140 325 All Voltages...
Page 243: ...243 Fig 101 30XV 24V Control Wiring 30XV140 325 All Voltages cont...
Page 244: ...244 Fig 102 30XV 24V Control Wiring 30XV350 500 All Voltages...
Page 245: ...245 Fig 102 30XV 24V Control Wiring 30XV350 500 All Voltages cont...
Page 246: ...246 Fig 103 Component Arrangement Diagram for 30XV140 325...
Page 247: ...247 Fig 103 Component Arrangement Diagram for 30XV140 325 cont...
Page 248: ...248 Fig 104 Component Arrangement Diagram for 30XV350 500...
Page 337: ...337 APPENDIX J FACTORY SUPPLIED PUMPS cont Fig L System Information...
Page 338: ...338 APPENDIX J FACTORY SUPPLIED PUMPS cont Fig M Unit and Language Settings...
Page 341: ...341 APPENDIX J FACTORY SUPPLIED PUMPS cont Fig P Data Input 2...
Page 342: ...342 APPENDIX J FACTORY SUPPLIED PUMPS cont Fig Q Data Input 3...
Page 347: ...347 APPENDIX J FACTORY SUPPLIED PUMPS cont Fig U Pump Wiring Diagram...