Installing A Four-Wire Connection; Installing A Three-Wire Connection - Thermador Professional Pro Grand Series Installation Manual

en-us Electrical requirements and connection for DUAL FUEL and INDUCTION models
7.2 Installing a four-wire connection
Requirements
This appliance must be connected to a dedicated circuit
¡
(see required dedicated circuit). → Page 19
This appliance must be connected to the power supply
¡
with a listed (UL, CSA, ...), 3-POLE, 4-CONDUCTOR
cord kit rated 250 VOLTS, 50 AMPERES and marked
for use with ranges.
It is the responsibility of the installer to provide the
¡
proper wiring components (cord, wires, etc.) and
complete the electrical connection as dictated by local
codes and ordinances, and/or the National Electrical
Code.
The cord kit is required to be attached to the range
¡
terminal block with a strain relief which will fit a 1"
(25.4 mm) diameter hole.
If not already equipped, the cord must also have ¼"
¡
(6 mm) faston closed-loop lugs attached to the free
ends of the individual conductors.
Disconnect the electrical power at the breaker box.
1.
Locate the terminal block on the rear of the appliance
2.
and remove the cover.
Remove the upper nuts only from the terminal block
3.
studs. DO NOT remove the lower nuts which secure the
range's internal wiring leads.
If applicable, remove the 4-wire power cord from the
4.
appliance.
Mount the strain relief into the 1" (25.4 mm) diameter
5.
hole in the back panel located below the terminal block.
Route the wires up through the strain relief.
Remove the green ground screw and serrated washer
6.
located beneath the terminal block.
Secure the neutral, white wire of the supply circuit to the
7.
center stud of the terminal block with a nut.
Secure the L2 (red) and L1 (black) power leads to the
8.
outside terminal studs (brass colored) with nuts.
Secure the green ground lead to the range chassis
9.
using the green ground screw and serrated washer. Be
sure that neutral and ground terminals do not touch.
20
a
a Red / L2
b Green / ground
c White / neutral
d Black / L1
Tighten all connections and nuts securely, including the
11.
bottom nuts.
Reinstall the terminal block cover.
12.
7.3 Installing a three-wire connection
Requirements
This appliance must be connected to a dedicated circuit
¡
(see required dedicated circuit). → Page 19
Where local codes and ordinances permit grounding
¡
through neutral, and conversion of supply to 4-wire is
impractical, the appliance may be connected to the
power supply with a listed (UL, CSA, ...) 3-POLE, 3-
CONDUCTOR cord kit rated 250 VOLTS,
50 AMPERES, and marked for use with ranges.
It is the responsibility of the installer to provide the
¡
proper wiring components (cord, wires, etc.) and
complete the electrical connection as dictated by local
codes and ordinances, and/or the National Electrical
Code.
The cord kit is required to be attached to the range
¡
terminal block with a strain relief which will fit a 1"
(25.4 mm) diameter hole.
If not already equipped, the cord must also have ¼"
¡
(6 mm) faston closed-loop lugs attached to the free
ends of the individual conductors.
Disconnect the electrical power at the breaker box.
1.
Locate the small bag with white jumper wire located in
2.
the literature packet.
Locate the terminal block on the rear of the appliance
3.
and remove the cover.
Remove the upper nuts only from the terminal block
4.
studs. DO NOT remove the lower nuts which secure the
range's internal wiring leads.
If applicable, remove the 4-wire power cord from the
5.
appliance.
c d
b