Thermador DM302ES Installation Instructions Manual page 7

4. Connect Electric
Verify that the electricity to the junction box has been
turned off before beginning this step.
General Instructions:
• Use copper wire ONLY. Wire size and connections
must be suitable for the rating of the appliance per
the National Electrical Code requirements or the
Canadian Electric Code requirements.
• The flexible conduit extending from the oven
should be connected directly to the junction box.
• Do not shorten flexible conduit.
• The junction box should be located to allow as
much slack as possible between the junction box
and the oven.
• A UL listed conduit connector must be provided at
each end of the power supply cable.
• The four wire branch circuit connection is
preferred, but where local codes permit, a three
wire branch circuit connection is also acceptable.
Four Wire Connection (Preferred Method):
1. Connect green ground wire from oven to green (or
bare) ground wire in junction box.
2. Connect red wire from oven to red wire in junction
box.
3. Connect black wire from oven to black wire in
junction box.
4. Connect white wire from oven to white (or gray)
neutral wire in junction box.
Three Wire Connection :
Note: The four wire connection is preferred, but where
local codes permit, the three wire connection is also
acceptable.
1. Connect red wire from oven to red wire in junction
box.
2. Connect black wire from oven to black wire in
junction box.
3. Connect both green ground wire and white wire
from oven to white (or gray) neutral wire in junction
box.
Connecting to a 208 V circuit:
The oven is pre-wired for connection to 240 V, 60 Hz
supply, but can be converted for use with 208 V, 60 Hz
supply.
1. Turn power off.
2. Press and hold START and SELF CLEAN for
at least three seconds.
240 appears in display.
3. Press SELF CLEAN to select appropriate
voltage (choose 208 for 208 V connection; choose
240 for 240 V connection.
4. Press START.
Time of day clock appears in display.
Step 4: Connect Electric
Figure 4: Four Wire Connection
Figure 5: Three Wire Connection
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