Schematic
◆
Electric Parts
Sign Item
Function
and
specification
PB1
PL1
Illuminated STOP
push-button switch
(MOMENTARY)
Stops the compressor unit and the cold head operation if pressed.
“STOP indicator(orange)” lights up when the compressor unit is stopped
but still connected to its power source.
PB2
PL2
Illuminated START
push-button switch
(MOMENTARY)
When pressed, “STOP” indicator lights OFF and “START”
indicator(green) lights ON. Starts both the compressor unit and the cold
head.
SW1
REMOTE/LOCAL
switch
In REMOTE operation, connect a wire to the REMOTE/RESPONSE
connector. (See P.B-3/B-4.)
ETM
Elapsed time meter Displays the total hours of the compressor unit operation.
MR
Restart momentary
relay for power
supply failure
In case power failure within 2 seconds, the compressor unit can restart.
If power failure more than 2 seconds occurs, the compressor unit will not
restart.
CN3
Remote/Response
connector
Indicates the Cold Head status of START/STOP.
Connector
⑤
and
④
are opened when compressor unit and cold head
are not running. Connector
⑤
and
⑥
are opened when compressor
unit and cold head are running.
Contact capacities of CR1 are as follows:
Maximum voltage
AC250V
DC125V
Maximum current
5A
5A
Rated load
Resistance load (Induction load)
AC220V 5A (2A)
DC 24V 5A (2A)
Minimum applicable load
DC5V 1mA
B-2
ULVAC CRYOGENICS INCORPORATED
Summary of Contents for C10T
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