Front Panel Thermostat - Henny Penny 500 Service Manual

7. Tighten the compression nut hand tight and then a half turn with wrench.
8. Connect new temperature probe to PC board and replace control panel.
9. Replace shortening and turn power on and check out fryer.
2 2 . . 7 7 T T e e m m p p e e r r a a t t u u r r e e R R e e g g u u l l a a t t i i o o n n ( ( S S i i n n g g l l e e S S t t a a g g e e ) )
2 2 . . 7 7 . . 1 1 F F r r o o n n t t P P a a n n e e l l T T h h e e r r m m o o s s t t a a t t
The cooking temperature is controlled by the front panel thermostat and monitored by
its sensing bulb mounted just inside the vat (frypot). Various thermostats are
available, but all work on the same principle.
2 2 . . 7 7 . . 2 2 I I n n t t e e r r n n a a l l O O p p e e r r a a t t i i o o n n
The thermostat bulb is connected to the thermostat by a thin capillary tube. When the
temperature rises, the fluid inside the bulb expands (as in a thermometer) and pushes
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