Specifications

INSTALLATION INSTRUCTIONS
For Converting an M4200 From 1 to 3 Phase
1. Warning: Be sure that all electrical power to the convection oven has been
disconnected before proceeding.
2. Remove the right side panel as illustrated. This procedure may require the removal of
either two 8-32 x 5/8" screws or four 8-32 x 5/8" screws depending on the model.
To remove the side panel that has two screws requires the operator to lift it up
and pull it out. The four screw panel requires the operator to pull the panel
out towards him/her and then down.
3. With step 2 completed, refer to the supplied wiring diagram (P/N 43923) for guided
assistance. Listed below are two sets of procedures. Follow the procedure for the model
unit you have.
For units using wiring diagram 43906:
A. Disconnect jumper wire 39 from the top side
of the mercury relay and discard.
B. Take wires 23 and 26 from the wire set supplied (P/N 45074)
and connect them to the mercury relay and the vacant heating
element as illustrated in the wiring diagram.
For units using wiring diagram 45600:
A. Disconnect wire 24 from the right leg (R) of the mercury relay and
then install it to the left leg (L) of the same relay.
B. Take wires 23 and 26 from the wire set supplied (P/N 45074) and
connect them to the mercury relay and the vacant heating element as
illustrated in the wiring diagram.
P/N 45075 Rev. A
33
EPCI 1/29/882001-II45075