Heating Contactors - Henny Penny 342 Maintenance Manual

2-18. HEATING
CONTACTORS
(ELECTRIC)
Checkout (Power Removed)
Heat Contactor
(Mercury)
30 31 32
33
37
34 35
Figure 2-52
Figure 2-53
1003
Each well of an electric fryer requires two switching contactors.
The first in line is the primary contactor and the second in line is
the heat contactor. When open, the primary contactor does not
allow power to flow to the heat contactor. When closed, the
primary supplies voltage to the heat contactor. When the heat
contactor is open, no voltage is supplied to the heating elements.
When the heat contactor closes, voltage is supplied to the heating
elements.
1. Remove electrical power supplied to frypot to be worked on.
To avoid electrical shock or property damage, move the
power switch to OFF and disconnect main circuit
breaker, or unplug cord at wall receptacle, to the frypot
to be worked on. Be aware the other control on 2-frypot
units will have power.
2. Remove the control panel.
3. Perform a check on the contactor as follows:
Test Points
From 23 to 29
From 24 to 28
From 25 to 27
From 30 to 34
From 31 to 35
From 32 to 36
36 From 33 to 37
From 22 to 26
Wires should be removed and labeled to obtain an accurate
check of contactors.
Model OFE/OFG/OEA/OGA-341, 342
Results
open circuit
open circuit
open circuit
open circuit
open circuit
open circuit
ohm reading 1700
ohm reading 415
2-19