Power - Balzers QMG421C Operating Instructions Manual

ESALZERG
G:
Converting
the unit
for
other mains
powers
Figl
If
your control unit
is set for operation at
a
power rating
other than that
of
your
local
power
supply (information
2
on
the nameplate), convert
the
unit
for
your power
supply
as
follows:
-
Make
sure
that the unit
is
disconnected from the
power
supply
-
Unscrew the
cover and floor panels (Fig. 1)
-
Unscrew the
front
panel
and
unplug the ribbon cable
(Fig. 2)
-
Remove the terminal
cover
in
the power
supply
(Fig. 3)
-
To
convert
220
V -->
110
V:
Insert jumper
To
convert
110
V
--> 220
V:
Remove jumper
(Fig. 4)
-
Remount terminal
covern
-
Plug
in
the ribbon cable, remount
the
front
panel and
screw
it
down
Fig
2
-
Remount and screw
ín
the cover and floor panels
-
Replace
fuses
F1
and F2
220
V
->
110
V:
4.0
A slow
blowing ->
8,0
A slow
blowing
110
V
->
220
V:
8.0
A slow blowing ->
4.0
A slow
blowing
-
Change the
safety
labels
on the
back
panel
† †
2.
-
Change the nameplate
on
the back panel
press
Fíg.4
122 Appendix
oMs421gg.opm