Henny Penny 500 Service Manual page 38

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Rinse Hose (Optional)
This hand-held hose is used to rinse food particles from the frypot
into the filter pan, and is attached to a quick disconnect fitting.
Gas Control Valve (Gas
Controls the gas flow to the burner. The pilot is lit manually.
A control that senses the temperature of the shortening. If the
temperature of the shortening exceeds the safe operating limit, this
control opens and shuts off the heat to the fi-ypot. When the
temperature of the shortening drops to a safe operation limit, the
control must be manually reset.
Fuses (Electric Models
A protective device which breaks the circuit when the current
only)
exceeds the rated value.
32 Contactors (Electric
Models Only)
Relays that route power to the heating elements. One relay is in
series with the high limit, the other one is in series with the controls.
The standard units uses 2 electromechanical contactors, while the
computer controlled units, have one electromechancal and one
mercury contactor.
Circuit Breaker (Single
Phase Only)
It opens the electrical circuit, and removes power to elements.