Bosch Benchmark HBLP451LUC Installation Manual - Page 7
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Installation
This installation manual provides instructions for the
installation of single ovens and double ovens.
Electrical
Installation
All model ovens on the front cover of this installation
instruction manual are dual rated, designed to be
connected to either 208 or 240V AC, 60 Hz, 4 wire, single-
phase power supply.
Model
Circuit
Required
208V, 60 Hz
240V, 60 Hz
HBN54, HBN84,
HBL53, HBL54,
30 AMP
HBL84, HBLP4
HBL55
30 AMP
/
40 AMP
£
HBN56, HBL56,
HBN86, HBL86,
40 AMP
HBLP6
The electrical supply should be a 4-wire single-phase AC.
Install a suitable conduit box (not furnished). An
appropriately-sized,
UL-listed conduit connector must be
used to correctly attach the conduit to the junction box.
Important: Local Codes may vary; installation, electrical
connections and grounding must comply with all applicable
local codes.
If local codes permit grounding through the electrical
supply neutral, connect both the white neutral wire and the
green ground wire from the oven to the white neutral
electrical supply wire.
Electrical Connection to Main Power Supply
The four-wire connection is preferred, but where local
codes permit, the three wire connection is also acceptable.
Four-wire Connection
Ungrounded
Neutral
power supply
junction
box
red wires
green or bare
wire
black wires
green wire
white wires
UL listed
-"................
cable from
connector
oven
•
Connect the red oven wire to the red electrical supply
wire (hot wire).
•
Connect the black oven wire to the black electrical
supply wire (hot wire).
•
Connect the white neutral oven wire to the white
neutral (not bare or green ground) electrical supply
wire.
•
Connect the green ground oven wire to the bare or
green ground electrical supply wire.
Three-wire Connection
Grounded Neutral
power supply
t.
junction
box
.
red wires
---__._
white,
bare, or
green wire
white wire
green
wire
-i
black wires
UL listed
connector
cable from
oven
•
Connect red wire from oven to red wire in junction box.
•
Connect black wire from oven to black wire in junction
box.
Connect both green ground wire and white wire from
oven to white, green or bare neutral wire in junction
box.
The conduit cable, where connected at the oven, swivels.
Rotate conduit cable upward (or downward) and direct
through hole prepared in cabinet to attach to the junction
box.
To maintain serviceability, the flex conduit must not be
shortened and should be routed to permit temporary
removal of the oven.
9001065629 Rev A
English 5