Thermador Professional PRO-HARMONY Serie Manual De Instalación página 17

absence of local c odes andordinances, thepower
supply connection s hall b ein accordance withthe
National Electric Code.
Observe allgoverning c odes andordinances when
grounding. Intheabsence ofthesecodes or
ordinances observe National Electrical Code ANSI/
NFPA No.70current i ssue. S eepage16forgrounding
method.
• Electrical wiringdiagrams a ndschematics h avebeen
placed inthetoekickareaoftherange foraccess bya
qualified service technician.
• TheDual F uelRanges maybeconnected t oa 240/208
VACpower supply.
Therange mustbeconnected t othepower supply utilizing
oneofthefollowing methods. Forall methods o f
connection, thelength ofthecordor conduit/wiring must
allowtheunittobeslidcompletely outofthecabinet
without h aving to unplug or disconnect theunitfromthe
power supply. R ecommended minimum freelength of cord
orconduit i sfourfeet.Electrical installations andgrounding
mustbeinaccordance withalllocal c odesandordinances,
and/or t heNational Electric Code, a s applicable.
4-CONDUCTOR CORD m NORMALLY, A UNIT
MUST BE CONNECTED TO THE POWER SUPPLY
WITH A 3-POLE, 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 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.
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 Figure 10. Remove the ground strap
retaining screw and bend the ground strap up. Refer to
Figure 14. 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 Figure 13. The free end of the
conduit must be connected to a junction box provided
in the gas and electrical supply zone, as shown in
Figure 3a on page 8.
Figure 10: Location of Junction Box on 30" and 36" Ranges
Figure 11: Location of Junction Box on 48" Ranges
English 15