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www.keatingofchicago.com
REQUIRED FIELD TEST BEFORE REPLACING
These operational problems can easily be corrected by thermostat bulb positioning.
Overshoot: The thermostat takes a long time
to cycle and then misses its preset
temperature by 20°F - 40°F yielding a poor
quality product.
Short Cycle: The thermostat will cycle rapidly
while the fryer is in the idle mode; the
temperature will be erratic.
Keating's patented thermostat application is
accurate within 2°F of the dial setting
between 250°F – 350°F. This accuracy is
attained only if the thermostat bulb is placed
properly against the heat transfer tube. To
quickly and accurately test for proper bulb
placement and pressure a single thickness of
writing paper should be pulled through
between the tube and the bulb with medium
resistance.
If the bulb is too loose, the paper will slip
through with little or no resistance. A fryer
with a thermostat bulb that is too tight will
overshoot.
If the bulb is too tight, the paper will either
not pull through or it will tear. A fryer with a
thermostat bulb that is too tight will short
cycle.
Part # 031861
Rev. #0
ECO# 2515
Date 11/24/98
MILLIVOLT FRYER THERMOSTATS
KEATING PART #023145
Thermostat Bulb Positioning
REQUIRED TEST EQUIPMENT:
Multimeter for testing continuity
CHECKING CONTINUITY WITH THE
MULTIMETER
1. Rotate the thermostat shaft until an audible
click is heard.
2. Rotate the thermostat shaft left and right
ten times causing the switch to click on and
off ten times, while using the Multimeter to
verify continuity.
3. If the switch does not show continuity
during all ten trials, replace the thermostat.
WARNING:
Disassembling the thermostat will void the
thermostat warranty.
1-800-KEATING
11/98
mlvltFry
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