Thermador PRO GRAND PRD48 - Manual (Page 20)

English 18
7. Tighten all connections securely.
8. Reinstall the Terminal Block Cover.
3-CONDUCTOR CORD — WHERE LOCAL CODES AND
ORDINANCES PERMIT GROUNDING THROUGH
NEUTRAL, AND CONVERSION OF SUPPLY TO 4 WIRE
IS IMPRACTICAL, UNIT MAY BE CONNECTED TO THE
POWER SUPPLY WITH A 3-POLE, 3-CONDUCTOR
CORD KIT RATED 125/250 VOLTS, 50 AMPERES, AND
MARKED FOR USE WITH RANGES.
The cord kit must be attached to the range back panel with
a strain relief which will fit a 1" (25.4mm) diameter hole. If
not already equipped, the cord must also have 1/4” (6mm)
faston closed-loop lugs attached to the free ends of the
individual conductors, preferably soldered in place.
3-Wire Lead Connection
1. Remove upper nuts only from the terminal block studs.
Do not remove nuts which secure range internal wiring
leads.
2. Mount strain relief (not provided with range) into the 1"
(25.4mm) diameter hole in the back panel located
below the terminal block (see Figure
13 and
Figure 12). Route wires up through strain relief.
3. Secure the neutral, grounded wire of the supply circuit,
to the center stud (silver colored) of the terminal block
(see Figure 15).
4. Secure the L1 (black) and L2 (red) power leads to the
outside corresponding terminal block studs (brass
colored).
5. Secure one end of the mounted looped neutral wire,
located beneath terminal block, to the center stud of
the terminal block with nut and keep the other end of
the wire screwed into the back of the range.
6. Tighten nuts securely.
7. Reinstall the Terminal Block Cover.
Figure 14: 4-Wire Connection
Figure 15: 3-Wire Connection