Thermador SEC271 Installation Instructions Manual page 8

STEP 3: ELECTRICAL INSTALLATION
All model ovens on the front cover are dual rated, designed
to be connected to either 120/240V AC or 120/208V AC, 60
Hz, 4 wire, single=phase power supply.
MODEL CIRCUIT REQUIRED
208 Volt, 60 Hz 240 Volt, 6 0 Hz
SEC301, SEC271, 25 AMP 30 AMP
C271, C301
CM301 30 AMP 30 AMP
SEC272, SECD272, 40 AMP 40 AMP
C272, SEC302,SECD302
C302, SEM272, SEM302,
SEMW272, SEMW302
CM302 50 AMP 50 AMP
After turning power OFFat the service panel, [
lock service panel. [
J
The electrical supply should be a 4=wire single-phase AC.
Install a suitable conduit box (not furnished) as shown in
Figures 2 or 3.
Electrical Connection
!. Connect the red oven wire to the red electrical
supply wire (hot wire).
2. Connect the black oven wire to the black electrical
supply wire (hot wire).
3. Connect the white neutral oven wire to the white
neutral (not bare ground) electrical supply wire.
4. Connect the bare ground oven wire to the bare
ground electrical supply wire.
The conduit cable, where connected at the oven, swivels.
Rotate conduit cable upward (or downward) and direct
through hole prepared in cabinet to attach to ]=Box.
To facilitate service, the flex cond uit must not be shortened
and should be routed to permit temporary removal of the
oven.
GROUNDING
IMPORTANT: Local Codes might vary, installation, electrical
connections and grounding must comply with all applicable
local codes.
If local codes permit grounding through the electrical supply
neutral, connect both the white neutral wire and the bare
ground wire from the oven to the white neutral electrical
supply wire.
208V ELECTRICAL HOOKUP
The following applies to the controls on the C27!,
C272, C30!, C302, CM30! and CM302 models
only.
Your oven has been preset to be hooked up to
240V.
1. Turn both ovens off. Touch OVEN OFF for each
oven.
2. Touch and hold the START pad followed by
the SELF CLEAN pad together for 3 seconds.
3. "240" appears in the display. Release both
pads.
4. Touch the SELF CLEAN pad. "240" is replaced
by with "208." This alternates when SELF
CLEAN is touched.
5. To complete the change, touch START.
NOTE: When power is first supplied to the unit
(and the door is unlocked), the CLOCK will flash.
Set Time of Day as described in the Care and
Use Manual. If the door is locked, the LOCK
symbol will light for a few seconds while door is
automatically unlocking and CLOCK will flash.
Note: All models can operate on 100/208
power.