Thermador Professional PRO-GRAND PD30 Instructions D'installation page 17

Step 6: Electrical Requirements, Connection & Grounding
Dual Fuel models must be connected to the power supply utilizing one of the following methods. For all
methods of connection, the length of the cord or conduit/wiring must allow the unit to be slid completely out
of the cabinet without having to unplug or disconnect the unit from the power supply, Recommended minimum
free length of cord or conduit is four feet, Electrical installations and grounding must be in accordance with all
local codes and ordinances, and/or the National Electric Code, as applicable,
4-CONDUCTOR CORD
NORMALLY, A UNIT MUST
BE CONNECTED TO THE
POWER SUPPLY WroTH A 3-
4-CONDUCTOR
CORD KIT RATED 125/250
VOLTS, 50 AMPERES, AND
MARKED FOR USE WITH
RANGES. The cord kit must
be attached to the range junc-
tion boxwith a strain reliefwMch
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 conduc-
tors, preferably soldered in
place.
PERMANENT CONNECTION
(HARD WIRING)- Units may
be hard wired to the power
supply. The installer must
provide approved flexible
aluminum conduit, 3/4" trade
size, maximum 6 feet long.
Locate the junction box on the
rear of the unit and remove
cover. Refer to Fig.8. Remove
the ground strap retaining
screw and bend the ground
strap up. Refer to Fig. 9. The
conduit must be installed to the
junction box using an approved
conduit connector.
Wiring for the unit is to be
brought into the junction box
through the conduit. The ends
of the wiring must have
1/4" faston closed-loop lugs
attached, preferably soldered
in place. Make the connections
to the terminal block provided.
Secure the ground lead to the
junction box with the screw
previously used to secure the
ground strap. Refer to Fig. 11.
The free end of the conduit
must be connected to a junc-
tion box provided in the gas
and electrical supply zone, as
shown in Figure 3Aon Page 7.
3-CONDUCTOR CORD -
WHERE LOCAL CODES AND
ORDINANCES PERMRT
GROUNDING THROUGH
NEUTRAL, AND CONVER-
SION OF SUPPLY TO 4
WmRE mS iMPRACTiCAL,
UNIT MAY BE CONNECTED
TO THE POWER SUPPLY
WITH A
3-CONDUCTOR CORD KIT
RATED 125/250 VOLTS, 50
AMPERES, AND MARKED
FOR USE WITH RANGES.
FIG. 8 - Location of Junction
Box on dual fuel ranges
GAS SUPPLY
JUNCTION
BOX
/
Flexible electrical conduit or
4-connector Appliance Cord
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 at-
tached 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.
14