Probe Resistance Chart - Frymaster FMCFE Service & Parts Manual

MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS
1.10.2 Initial Troubleshooting, 24VAC Frying Systems (cont.)
PROBLEM
Fluctuating or erratic
lighting of burner
flame.
Thermostat will not
adjust to correct
temperature.

1.11 Probe Resistance Chart

For use with CF Series fryers manufactured with Minco Thermistor probes only.
F OHMS C F
60 1059 16 130
65 1070 18 135
70 1080 21 140
75 1091 24 145
80 1101 27 150
85 1112 29 155
90 1122 32 160
95 1133 35 165
100 1143 38 170
105 1154 41 175
110 1164 43 180
115 1174 46 185
120 1185 49 190
125 1195 52 195
CHAPTER 1: SERVICE PROCEDURES
PROBABLE CAUSE
A. Incoming gas supply pressures are
not within range [Natural- 6-14" W.C.
(1.49-3.49 kPa); Propane- 11-14"
W.C. (2.74-3.49 kPa)]
B. Air in gas supply lines (new
installation).
C. Missing or poor target alignment.
A. Thermostat is out of calibration.
Probe Resistance Chart
OHMS C F
1204 54 200
1216 57 205
1226 60 210
1237 63 215
1247 66 220
1258 68 225
1268 71 230
1278 74 235
1289 77 240
1299 79 245
1309 82 250
1320 85 255
1330 88 260
1340 91 265
A. Inspect gas supply to fryer. Repair
and/or replace faulty components
(defective supply shut-off valves,
incorrect piping size, etc.)
B. Allow unit to cycle on and off for
approximately 30 minutes to force air
from gas manifold and lines.
C. Replace missing target(s) and/or
ensure correct target alignment.
A. Calibrate thermostat. Replace
thermostat if calibration is not
possible.
OHMS C F OHMS
1350 93 270 1493
1361 96 275 1503
1371 99 280 1514
1381 102 285 1524
1391 104 290 1534
1402 107 295 1544
1412 110 300 1554
1422 113 305 1564
1432 116 310 1574
1442 118 315 1584
1453 121 320 1594
1463 124 325 1604
1473 127 330 1614
1483 129 335 1624
1-34
CORRECTIVE ACTION
C F OHMS
132 340 1634
135 345 1644
138 350 1654
141 355 1664
143 360 1674
146 365 1684
149 370 1694
152 375 1704
154 380 1714
157 385 1724
160 390 1734
163 395 1744
166 400 1754
168 405 1764
C
171
174
177
179
182
185
188
191
193
196
199
202
204
207