Thermador An American Icon Professional PRO-GRAND PRD30 Manuel D'installation page 17

Figure 9b: Location of Junction Box on 48" Ranges
• 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.
Upper Nut
Cupped Washer
Supply Wire
Flat Washer
Figure 10: Conductor Securement
The cord kit must be attached to the range junction box
with a strain relief which will fit a 1" diameter hole. If not
already equipped, the cord must have 1/4" faston
closed-loop lugs attached to the free ends of the
individual conductors, preferably soldered in place.
Installer — show the owner the location of the circuit
breaker or fuse. Mark it for easy reference.
A 3- or 4-conductor supply may be connected to the
terminal block.
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. Secure the neutral, grounded wire of the supply circuit,
to the center stud of the terminal block with nut. (See
Figure 11).
3. Secure the L1 (black) and L2 (red) power leads to the
outside terminal block studs (brass colored) with nuts.
4. Tighten nuts securely.
L1 Black
L2 Red
Neutral White
Figure 11: 3 Wire Connection
English 15