AMERITRON AL-80B, Инструкция по эксплуатации

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AL-80B Instruction Manual
12
Transformer Connections
The power transformer of the AL-80B has fourteen different voltages available on the primary and
is rated at full power on frequencies of 50 and 60 Hz. The "JUMPER CONNECTIONS" chart
below indicates the proper placement of jumpers for various power line voltages.
The high voltage secondary of the AL-80B has three leads. The normal wiring is indicated on the
circuit board silk-screen by the initials R/Y (RED/YELLOW) and R/G (RED/GREEN). For low
power operation the R/Y and R/G wire can be reversed. This will reduce the plate voltage of the
AL-80B to permit operation at output levels below 400 watts.
WARNING
:
The AL-80B requires different back panel fuses for various line voltages. Use the
fuse listed above for maximum protection.
JUMPER FROM TOP LETTERS
TO BOTTOM LETTERS IN COLUMN
HIGHEST
LINE-V
A
B C D E F
LINE
FUSE
205 C B 3 1 12
215 C B 3 2 12
220 C B 2 1 12
230 C B F E 10
240‡ C B 1 2 10
245 C B 2 3 10
250 C B 1 3 8
90 B A D C 3 1 25
100 B A D C 3 2 25
110 B A D C 2 1 25
115 B A D C F E 20
125† B A D C 1 2 20
130 B A D C 2 3 20
140 B A D C 1 3 15
†Factory wired Model AL-80B and AL-80BY
‡Factory wired Model AL-80BX
DANGER: Never change jumpers with the power cord connected to an outlet.