Xerox 3050 Service Manual page 622

Installation and Removal
Ground and AC Voltage Check
Before installing the 3050 Copier,
check for correct voltage, polarlty and
the grounding of the
AC
outlet that i s
provided by the customer. Use the
Polarity Checker (600T467) or a multi-
meter. Incorrect voltage applied to
the
3050
could result in poor
performance or damage to
the
copier.
The power line outlet must be a 20
amp single dedicated line (wired
directly to the circuit breaker panel)
with no shared neutral and on
a
different phase from the lighting
circuits.
If specifications are not met, the AC
outlet is wired or grounded
1. (Fi ure 1): Check the ground and the AC
i(
vo age.
incorrectly. Inform the Customer and
request that a licensed electrician
correct the problem. DO NOT make
the correction yourself.
The appliance coupler (power supply cord) is
the disconnect device for this equipment.
Ensure that the installation i s near the outlet
and
is easily
accessible.
Neutral 20 Amp
(ACN) 60053703
~ o t
i w h l t e
Wire)
NEMA
5-20R
600S3703
Preferred
Figure 1.
Check the Ground and the AC
Voltage
A. Check for 105-125 VAC between AC
Hot and
AC
Neutral.
0. Check for 105-125 VAC between AC
Hot and Ground.
C.
Check for less than 2 VAC between
AC
Neutral and Ground.
SoHz
A.
Check for 220-210 VAC between AC
1
Hot and AC Neutral.
I
B. Check
for
220-240 VAC between AC
Hot and Ground.
C.
Check for less than
2 VAC
between
AC
Neutral and Ground.
8/94
Installation
6-20 3050