Control Data Corporation CYBER 180 810 Maintenance And Parts Manual page 67

BLOWER/CHARGER SWITCH AND CIRCUIT BREAKERS
Figure 4-12 and table 4-8 illustrate and define the blower/charger switch and
circuit breakers.
TABLE 4-8. BLOWER/CHARGER SWITCH AND CIRCUIT BREAKERS
I
Panel Marking
'
I
BLOWER/CHARGER
' '
I
'
I
150/60 HZ
ICONT
PWR
I
I
I
I
I
AUXILIARY
PWR SPLY
BLO/CHGR
PWR
50/60 HZ
DISCONNECT
AC TO DC
CONVERTER INPUT
I
BATTERY
I
DISCONNECT
I
' '
Description
Toggle
Switch
Pushbutton
Type
Circuit
Breaker
Toggle
Type
Circuit
Breaker
Toggle
Type
Circuit
Breaker
Circuit
Breaker
Circuit
Breaker
Toggle
Type
Circuit
Breaker
Function
When down, this switch allows
battery charging and blower
operation with the ac to de
converter circuit breaker off.
It is up during normal operation.
Protects the auxiliary bulk power
supply. If it trips or is not
turned on, the CB OFF system
fault indicator lights. Push to
reset.
Located in the power input lines
to the auxiliary power regulator.
It is up during normal operation.
If it trips or is not turned on,
the CB OFF system fault indicator
lights.
Protects the blowers and charger.
It is up during normal operation.
If it trips or is not turned on,
the CB OFF system fault indicator
lights.
The
50/60 Hz
ac main breaker.
It is up during normal operation.
It is up during normal operation.
If it trips, the CB OFF system
fault indicator lights. This can
be a
50/60 Hz
or
400 Hz
breaker
depending on system installation.
It is up during normal
operatic~.
If it trips or is not turned on,
the CB OFF system fault indicator
lights.
'~~~~~~~~----~~~~~--'-~~~~~~~~~~~~~~~
60469500 A
4-33