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TW-357 REV E
12
Control Components
Interface Panel
The KRYOS Interface panel, which the user will interact with, contains the vacuum fluorescent display as
well as the number keypad, power button, help button and the soft-key control buttons. (See figure 1.0 below.)
Figure 1.0 KRYOS Interface Panel
Main Control
The “brain” for the control system “talks” to the interface unit and makes all decisions regarding liquid levels,
temperatures, valve opening/closing, etc. It is located away from the Interface Panel on the upper outer head.
(See figure 2.0 below.)
Main Control
Figure 2.0 KRYOS Main Control
Sensor Assembly
A standard 7+1 thermistor assembly, includes the Freeze-Guard over-fill sensor. Optional 4-thermistor, or 8-
thermistor sensor assemblies can be ordered. The 4-thermistor assembly maintains the liquid level between 2
middle sensors. The 8-thermistor assembly maintains the liquid level between the high sensor and the low
sensor assigned by the user. The standard 7-thermistor assembly is similar to an 8 sensor assembly in that the
user can select the START FILL and STOP FILL positions. The eighth position on this assembly is tied into
an inline plumbing thermistor, which detects if the solenoid valve fails to close.