Kikusui PAT160-25T, Operation Manual

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PAT-T 4kW
4-13
4
B
a
s
ic O
p
er
a
ti
on
11
T u rn the CURRE N T knob slo w ly clock w ise.
When the setting value of output current exceeds OCP trip point, the ALARM LED on
the front panel display illuminates and either of the POWER switch or the output will
be turned off (Depending on the CONFIG settings).
When the POWER switch is turned off, the ALARM LED illuminates even the power
turns off, and the Power off display of the over current protection (OCP) will be
displayed for about 10 to 15 seconds. When the output is turned off, OCP function
display and the measuring value are displayed alternately and the ALARM LED
continues to be illuminated.
Fig.4-10 Alarm display of the overc u rrent protection (OCP)
Fig.4-11 Po w er-off display of the overc u rrent protection (OCP)
If you do not change the preset output, the OVP or OCP will activate again.
4.6.2 Other Protection Functions
Overheat protection (OHP)
Overheat protection of the bleeder circuit (BOHP)
This function is activated when the internal temperature of the PAT rises
abnormally, and the output turns off.
It protects the PAT from the following conditions.
• When the PAT is used in an environment exceeding the operation temperature
range
• When the PAT is used with the intake or exhaust port blocked
If you turn the POWER switch back on without correcting the condition that caused
the OHP or BOHP, the OHP or BOHP will be activated again.
Fig.4-12 Alarm display of the overheat protection (OHP)
Fig.4-13 Alarm display of the overheat protection of the bleeder
circ u it (BOHP)
EXT EXT
RMT
LOCK
PRESET A B C
A V
OUTPUT
ALARM
C V
On
EXT EXT
RMT
LOCK
PRESET A B C
A V
OUTPUT
ALARM
C V
On
EXT EXT
RMT
LOCK
PRESET A B C
A V
OUTPUT
ALARM
C V
On
EXT EXT
RMT
LOCK
PRESET A
B C
A V
OUTPUT
ALARM
C V
On