Thermador PRD304GHU User Manual download pdf (Page 18)

English 16

• 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 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, prefer-ably 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 13).

3. Secure the L1 (black) and L2 (red) power leads to the

outside terminal block studs (brass colored) with nuts.

4. Tighten nuts securely.

4-Wire Connection

1. Remove upper nuts only from the terminal block studs.

Do not remove lower nuts which secure range

internal wiring leads.

2. Remove ground strap screw and bend the strap up as

shown in Figure 14.

3. Secure the neutral wire to the center stud of the

terminal block with nut.

4. Secure the L1 (black) and L2 (red) power leads to the

outside terminal studs (brass colored) with nuts.

5. Secure the bare copper ground lead to the range

chassis using the ground screw previously used for the

ground strap. Be sure that neutral and ground

terminals do not touch.

6. Tighten all connections securely.

Figure 12: Conductor Securement

Upper Nut

Supply Wire

Flat Washe

Cupped Washer

Figure 13: 3 Wire Connection

Figure 14: Ground Strap

L2 Red

L1 Black

Neutral

White

Bend Ground Strap Up

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 71 72

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Thermador PRD304GHU User Manual Page 18

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