Bosch HDS7052U - Manual (Page 8)

8
Three Wire Connection
The Four Wire Connection is preferred, but where
local codes and ordinances permit grounding
through neutral and/or conversion to four wire is
impractical, unit may be connected to the power
supply via a three wire connection.
1. Disconnect electrical power at breaker box.
2. Remove the terminal block cover to expose the
terminal block.
3. Remove top nut, star washer, and round washer
from each post.
NOTE: DO NOT remove last round washer, last nut or
internal wiring leads.
4. Attach white wire, round washer, star washer and
nut IN THIS ORDER on top of ground strap on
center post.
5. Attach red wire, round washer, star washer and
nut IN THIS ORDER to left post.
6. Attach black wire, round washer, star washer and
nut IN THIS ORDER to right post.
White
Red
Black
Ground Strap
7. Tighten all connections securely and replace ter-
minal block cover.
Red
White
Black
Ground
Strap
Green Ground Screw
8. Properly secure strain relief (see page 7).
Four Wire Connection (Preferred to three wire con-
nection).
1. Disconnect electrical power at breaker box.
2. Remove the terminal block cover to expose the
terminal block.
3. Remove top nut, star washer, and round washer
from each post.
NOTE: DO NOT remove last round washer, last nut or
internal wiring leads.
4. Remove screw from bottom end of ground strap.
5. Remove ground strap from center post, rotate so
that wide end is at top and attach wide end to
range through hole below junction box. Attach
green wire on top of ground strap. Tighten Screw.
Green Ground Screw
Ground
Strap
Green
6. Attach red wire, round washer, star washer and
nut IN THIS ORDER to left post.
7. Attach white wire, round washer, star washer and
nut IN THIS ORDER to center post.
Install Electrical Connection