Bryant 619E Installation, Start-Up And Service Instructions Manual page 19

TEMP MINIMUM
(F) OHMS
−40 303,300
−30 211,500
−20 149,721
−10 107,379
0 77,281
10 56,567
20 42,661
30 32,043
32 30,300
40 24,061
50 18,650
60 14,402
70 11,247
80 8,820
90 6,846
100 5,487
110 4,367
120 3,502
130 2,830
140 2,300
150 1,880
160 1,547
170 1,280
180 1,065
190 890
200 748
210 631
212 611
*Circuit volts = 5 vdc.
Table 9 — System Fault Codes
NO. OF QUICK
LED FLASHES
2
3
4
5
6
7
8
9
LED — Light-Emitting Diode
*Heat pump systems only.
NOTE: If the LED light continuously flashes on for one second, then
off for one second, the control is functioning properly and no fault is present.
Table 10 — 619E Thermistor Properties*
NOMINAL MAXIMUM
OHMS OHMS
342,700 386,200
237,276 265,444
166,689 185,146
118,776 130,973
85,677 93,867
62,617 68,205
46,302 50,129
34,580 37,220
32,550 35,120
26,118 27,960
19,900 21,180
15,312 16,219
11,883 12,518
9,299 9,779
7,339 7,754
5,829 6,187
4,667 4,976
3,760 4,026
3,051 3,281
2,489 2,687
2,045 2,216
1,688 1,836
1,402 1,531
1,170 1,282
982 1,078
828 913
701 766
678 751
—19—
SYSTEM FAULT
Room Air Thermistor
Indoor Coil Thermistor
Outdoor Coil Thermistor*
Compressor Malfunction
Reversing Valve Malfunction*
Outdoor Air Thermistor*
Indoor Fan Failure
Discharge Air Thermistor
MINIMUM
THERMISTOR THERMISTOR
VOLTS — DC VOLTS — DC
4.80
4.72
4.61
4.48
4.30
4.09
3.86
3.59
3.53
3.28
2.99
2.67
2.36
2.06
1.76
1.52
1.29
1.09
0.92
0.77
0.65
0.55
0.46
0.39
0.33
0.28
0.24
0.23
NOMINAL MAXIMUM
THERMISTOR
VOLTS — DC
4.82 4.84
4.75 4.77
4.65 4.68
4.52 4.55
4.35 4.40
4.16 4.21
3.92 3.98
3.66 3.72
3.60 3.66
3.36 3.43
3.05 3.11
2.73 2.79
2.42 2.47
2.11 2.16
1.83 1.88
1.57 1.63
1.34 1.40
1.14 1.19
0.97 1.02
0.82 0.87
0.69 0.74
0.59 0.63
0.50 0.53
0.42 0.45
0.36 0.39
0.31 0.33
0.26 0.28
0.25 0.28