Thermopile Replacement; Limit Control Replacement - Pitco W14S-S WF Installation, Operation And Maintenance Manual

b. Unscrew the tubing nut from the pilot tubing connection at base of the pilot burner. The pilot
orifice is located inside the tubing connection.
c. Remove the orifice and replace with the new orifice. Ensure the orifice is tight enough to
prevent gas leakage around the orifice.
d. Replace the tubing nut in the pilot tubing connection and tighten enough to prevent gas
leakage.
e. Replace the pilot assembly and adjust the pilot flame as described in 1.5.2.

3.4.1.6 Thermopile Replacement

a. Remove the pilot assembly as described in 3.4.1.4.
b. Unscrew and remove the thermopile from the pilot assembly.
c. Remove from gas valve magnet.
d. Insert the new thermopile in the pilot assembly.
e. Replace the pilot assembly and adjust the pilot flame as described in 1.5.2.

3.4.1.7 Limit Control Replacement

The limit control includes a temperature sensor inside the fryer tank, control unit inside the fryer
cabinet, and connecting capillary tubing. The high limit control temperature sensor looks like the
thermostat temperature sensor, so ensure you are removing the correct temperature sensor clamp.
The limit control capillary tubing is very delicate. Be VERY
CAREFUL when working with the capillary tubing. If the tubing is
kinked or broken the limit control is no longer usable.
a. Drain the oil from the fryer and remove the heat tube screens.
b. The limit control probe (heat sensor) is clamped to the heat tube inside the tank. Unscrew and
remove the two screws in the probe clamp.
c. Remove the probe from the clamp and straighten the capillary tubing. Unscrew the small hex
nut inside the cabinet at the bottom of the tank for the limit control.
Unscrew the large connector nut from the tank and pull the probe and capillary tubes through
d.
the opening.
CAUTION
3-6