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ELECTRICAL CONNECTIONS
Electrical and grounding connections must comply with the applicable portions
of the National Electrical Code and/or other local electrical codes.
Disconnect the electrical power to the machine and follow lockout / tagout
procedures.
Remove the wiring compartment cover on the front of the oven. Remove the appropriate knockout on
the bottom of the oven and attach the power supply conduit to the bottom of the oven.
Comply with the appropriate wiring diagram (located inside the right side panel) when making
connections to the electrical supply lines.
Replace the wiring compartment cover and right side panel. Turn on the power supply.
ELECTRICAL DATA
208-240 V 480 V
NOMINAL AMPERES PER LINE WIRE
TOTAL
3-PHASE LOADING 3-PHASE LOADING
3-PHASE 1-PHASE
KW KW PER PHASE KW PER PHASE 208 V 240 V 480 V
208 V 240 V
L1-L2 L2-L3 L1-L3 L1-L2 L2-L3 L1-L3
L1 L2 L3 L1 L2 L3 L1 L2 L3
Single Oven 12.5 4 4 4.5 4 4 4.5 35 33 35 33 29 33 14.4 15.3 15.3 60 52
Stacked Oven 25 8 8 9 8 8 9 70 66 70 66 58 66 28.8 30.6 30.6 120 104
ELECTRICAL CONNECTIONS (Stacked Ovens)
Electrical and grounding connections must comply with the applicable portions
of the National Electrical Code and/or other local electrical codes.
Disconnect the electrical power to the machine and follow lockout / tagout
procedures.
Make sure that the electrical power supply agrees with the specifications on the oven data plate, the
wiring diagram on the oven and Electrical Data, page 5.
1. Wires to connect both ovens are provided with each oven. Carefully route these leads from the
top oven through the bushing (supplied with the stacking kit) through the electrical access
knockout holes common to both ovens.
2. Connect wires X, Y and Z from the upper oven to the lower oven per the wiring diagram using wire
nuts provided. Attach the power supply conduit to the bottom of the lower oven. Connect the
power supply leads to the line side of the terminal block on the bottom oven.
3. Finally, inspect and check all wiring and terminal connections for tightness or pinch points (cover
on oven frame).
4. Refer to reference drawing 426986 supplied with the stacking kit for electrical connection
instructions.
5. Refer to instructions supplied with the stacking kit for marking the combined electrical load
information to the electrical data plate of the bottom oven.