Carrier 30XW150-400 Thermistor Identification, A - 5K Thermistor Temperature F vs Resistance

Table 38 — Thermistor Identification

THERMISTOR ID	DESCRIPTION	RESISTANCE AT 77 F (25 C)		CONNECTION POINT
EWT	Evaporator Entering Water Thermistor	5k	Ω	MBB-J6-CH2
LWT	Evaporator Leaving Water Thermistor	5k	Ω	MBB-J6-CH1
CEWT	Condenser Entering Water Thermistor	5k	Ω	MBB-J6-CH4
CLWT	Condenser Leaving Water Thermistor	5k	Ω	MBB-J6-CH5
SGTA*	Circuit A Suction Gas Thermistor	5k	Ω	EXV1-J3-THA
SGTB*	Circuit B Suction Gas Thermistor	5k	Ω	EXV2-J3-THA
DGTA	Circuit A Discharge Gas Thermistor	5k	Ω	CPM-A-J9-CH02
DGTB	Circuit B Discharge Gas Thermistor	5k	Ω	CPM-B-J9-CH02
ECTA	Circuit A Economizer Thermistor	5k	Ω	EXV1-J3-THB
ECTB	Circuit B Economizer Thermistor	5k	Ω	EXV2-J3-THB
DUAL	Dual Chiller LWT Thermistor	5k	Ω	MBB-J6-CH3
CAMT	Circuit A Motor Temperature	5k	Ω	CPM-A-J9-CH01
CBMT	Circuit B Motor Temperature	5k	Ω	CPM-B-J9-CH01
SPT	Space Temperature Thermistor	10k	Ω	EMM-J6-CH2

*SGTA and SGTB for 30XW150-325 units are connected to the EXV1 board.

TEMP RESISTANCE

(F)(Ohms)

–25	98,010
–24	94,707
–23	91,522
–22	88,449
–21	85,486
–20	82,627
–19	79,871
–18	77,212
–17	74,648
–16	72,175
–15	69,790
–14	67,490
–13	65,272
–12	63,133
–11	61,070
–10	59,081
–9	57,162
–8	55,311
–7	53,526
–6	51,804
–5	50,143
–4	48,541
–3	46,996
–2	45,505
–1	44,066

042,679

141,339

240,047

338,800

437,596

536,435

635,313

734,231

833,185

932,176

1031,202

1130,260

1229,351

1328,473

1427,624

1526,804

1626,011

1725,245

1824,505

1923,789

2023,096

2122,427

2221,779

2321,153

2420,547

2519,960

2619,393

2718,843

2818,311

2917,796

3017,297

3116,814

3216,346

3315,892

3415,453

3515,027

3614,614

3714,214

Table 39A — 5K Thermistor Temperature (°F) vs Resistance

TEMP	RESISTANCE		TEMP	RESISTANCE		TEMP	RESISTANCE
(F)	(Ohms)		(F)	(Ohms)		(F)	(Ohms)
38	13,826	101		2,835		164	765
39	13,449	102		2,773	165		750
40	13,084	103		2,713	166		734
41	12,730	104		2,655	167		719
42	12,387	105		2,597	168		705
43	12,053	106		2,542	169		690
44	11,730	107		2,488	170		677
45	11,416	108		2,436	171		663
46	11,112	109		2,385	172		650
47	10,816	110		2,335	173		638
48	10,529	111		2,286	174		626
49	10,250	112		2,239	175		614
50	9,979	113		2,192	176		602
51	9,717	114		2,147	177		591
52	9,461	115		2,103	178		581
53	9,213	116		2,060	179		570
54	8,973	117		2,018	180		561
55	8,739	118		1,977	181		551
56	8,511	119		1,937	182		542
57	8,291	120		1,898	183		533
58	8,076	121		1,860	184		524
59	7,686	122		1,822	185		516
60	7,665	123		1,786	186		508
61	7,468	124		1,750	187		501
62	7,277	125		1,715	188		494
63	7,091	126		1,680	189		487
64	6,911	127		1,647	190		480
65	6,735	128		1,614	191		473
66	6,564	129		1,582	192		467
67	6,399	130		1,550	193		461
68	6,238	131		1,519	194		456
69	6,081	132		1,489	195		450
70	5,929	133		1,459	196		445
71	5,781	134		1,430	197		439
72	5,637	135		1,401	198		434
73	5,497	136		1,373	199		429
74	5,361	137		1,345	200		424
75	5,229	138		1,318	201		419
76	5,101	139		1,291	202		415
77	4,976	140		1,265	203		410
78	4,855	141		1,240	204		405
79	4,737	142		1,214	205		401
80	4,622	143		1,190	206		396
81	4,511	144		1,165	207		391
82	4,403	145		1,141	208		386
83	4,298	146		1,118	209		382
84	4,196	147		1,095	210		377
85	4,096	148		1,072	211		372
86	4,000	149		1,050	212		367
87	3,906	150		1,029	213		361
88	3,814	151		1,007	214		356
89	3,726	152		986	215		350
90	3,640	153		965	216		344
91	3,556	154		945	217		338
92	3,474	155		925	218		332
93	3,395	156		906	219		325
94	3,318	157		887	220		318
95	3,243	158		868	221		311
96	3,170	159		850	222		304
97	3,099	160		832	223		297
98	3,031	161		815	224		289
99	2,964	162		798	225		282
100	2,898		163	782

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