CHAPTER 8: NAVY SHIPBOARD CONTROLLER
8-2
d. Recheck the thermometer or pyrometer reading and the thermostat knob setting the next time
the elements come on.
e. Repeat Steps 4.a. through 4.d. until thermometer or pyrometer reading and knob setting agree
within 5°F (2°C).
f. If calibration cannot be obtained for any reason, call a Factory Authorized Service Center.
5. Remove thermometer or pyrometer probe.
8.2 Hi-Limit tests
Hi-limit 1 checks the ability of the fryer’s controller to shut down
the fryer.
The test is conducted with the oil at or near operating temperature.
Hold the Hi-limit rocker switch in the 1st
position.
The oil will heat to 410
0
F +- 3
0
F degrees before the controller stops
calling for heat. The trouble light will illuminate just at the heat
light goes out.
Reset the fryer by turning the unit off and back on at the control
panel.
Hi-Limit 2 checks the ability of the fryer’s mechanical hi-limit
probe to shut down the fryer. To run the test, hold the rocker
switch in the 2nd position. With the rocker depressed, the oil will
heat to 430-450
0
F degrees before the mechanical hi-limit probe
opens, which shuts off power to the fryer.
Press and hold rocker switch down
for Hi-Limit 1 test. Hold the switch
up for the second hi-limit test.
Fig. 8-2
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