Hanshin Machinery GRH 3 series, Руководство пользователя

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35
5-2 Operation Control
1. Turn on
If it is turned on with the MCB on inside the
control box, the controller’s main LCD is activated.
Micom is self-checked and is readily stand-by for
operation.
If any fault is found in a compressor after turning
on Micom, it displays alarm and trip; or, it shows
the above display.
2. Operation Stop
To start the operation, press
[START] button. Then, [START]
lamp is on in red.
To stop the operation, press
[STOP] button. Then, [STOP] lamp
is on in green.
For schedule operation, press
[SCHEDULE] button once to select
the schedule mode.
To cancel it, press the button once
more.
If pressing [START] button after
selecting the schedule mode, a
compressor operates and stops in
accordance with the pre-defined
schedule operation time.
To suspend it during operation,
press [STOP] button.
3. Remote Operation
A compressor can be remotely controlled. To
control the operation or stop, wire the Start and
Stop buttons in TR2 of the electrical box as
presented in the figure below.
For the details, refer to page 40.
<Remote Operation/Stop>
Basically, the operation/stop control and operating
status are configured to be remotely outputted by
the contact.
Procedures
1) Operation and Stop buttons should be
connected respectively as seen in the above
figure.
2) A compressor starts operating if pressing
‘Remote Operation’ button once.
3) If pressing ‘Remote Stop’ button once, a
compressor stops after no-load operation for 10
seconds.
4) To remotely check whether a compressor is
operating or stops, please use ‘remote signal
output’ terminal.
4. Remotely Controlling Load/No-load Operation
1) To remotely control load/no-load operation of
a compressor, connect the switch as presented
in the above TB2.
2) No load operation: no load operation is allowed
if conn24 terminal to 104 terminal.
3) Load operation: load operation is allowed if +24
terminal is not connected to 104 terminal.
The operation/stop can be controlled by Micom’s
controller even during remote operation.
Main Display
Line 1: discharge pressure
Line 2: discharge temperature
Line 3: total operation hours
Line 4: date(YY.MM.DD HH:MM)
This symbol is displayed by
schedule operation
GRH3 star-delta
User’s Manual