Philips PM 6611 - Installation; 1 Mains Voltage Conversion; 2 Earthing; 3 Fuses

IV. INSTALLATION
1. Mains voltage conversion
The
instrument
can
be
converted
into
two
mains
voltage
ranges
100—130
V
and
200—260
V.
The
frequency
range
is
50
to
400 Hz.
At delivery
the
instrument
is
set to
the 200
to
260
V
range.
When
changing
to
the
100
to
130
V
range
the
connections
of
the
mains
transformer
should
be
changed
as
shown
in
figure
IV-1,
and
the
label
"230
V"
covered
with
the
“115
V”
label
supplied.
VILLE L L A d A b d Ad Ad Fd A:
Wired for 115V Wired for 230V Mains transformer. Rear view
Figure IV-1. Mains transformer connections
2. Earthing
The
local
safety
regulations
prescribe
how
the
instrument
should
be
earthed.
Two
ways
are
possible:
1. Via the protective
earth terminal at the rear panel.
2. Via the three core mains cable plugged into an outlet with protective earth contact.
NOTE: Use only one of these alternatives to avoid hum!
3. Fuses
A thermal fuse on the mains transformer and a 1.6A fuse, fast action, on unit U1 are protecting the
power supply. Refer to figure VI-4.
4. Optional accessories
Refer to installation instruction given in manual for each type number.