NTI Trinity TX151(C) - Tx Fuse Location; Thermistor Resistance Vs. Temperature

Troubleshooting │ Tx I&O Manual
76
Only replace Tx controller fuse with identical part (LFT 3.15A, 250V “slow-blow”).
Failure to follow this warning may result in component failure or property damage.
Figure 18-1 Tx Fuse Location
Figure 14-1 Tft Model
Table 18-1 Thermistor Resistance vs. Temperature
Temp °F (°C)
Resistance Ohms (Ω)
Temp °F (°C)
Resistance Ohms (Ω)
-22 (-30)
176,133
122 (50)
3,603
-4 (-20)
96,761
131 (55)
2,986
14 (-10)
55,218
140 (60)
2,488
32 (0)
32,650
149 (65)
2,083
41 (5)
25,390
158 (70)
1,752
50 (10)
19,900
167 (75)
1,481
59 (15)
15,710
176 (80)
1,258
68 (20)
12,490
185 (85)
1,072
77 (25)
10,000
194 (90)
918
86 (30)
8,057
203 (95)
789
95 (35)
6,531
212 (100)
680
104 (40)
5,327
230 (110)
506
113 (45)
4,369
-
-
Spare Fuse
Operating Fuse, LFT
3.15A – “Slow-blow”
Boiler Controller