Micom time setting and troubleshooting of the GRH3 air compressor

Monday - 29/07/2019 05:47

Micom time setting GRH3 air compressor

When the compressor is released, the time is set on Micom, based on the standard time of the Republic of Korea. Since schedule operation starts in the pre-defined time, make sure to set the time accurately. A user does not have to re-set the time except a special case and if the time should be inevitably re-set, set the time according to the following steps.

 


Place the cursor on [PARAMETER] and press [ENT] button.
Place the cursor on SET CLOCK and press [ENT] button.
Place the cursor on an item to change by using [ ], [ ] buttons and press [ENT] button to change time, date and year.

 

 

Troubleshooting  of  the GRH3 air compressor

Protective Devices and LCD Message List

1. Protective Devices
The following protective devices are contained to protect the compressor against dangerous situation and the measures should be taken by referring the functions.

63A (pressure switch for internal pressure detection)

49M1 (Fan motor overload relay)

 

Internal pressure(P1) Connection

Operation It detects internal pressure and disables the operation in case of 2.0 and lower pressure.

Contact point(A/B)
On : 2.0 bar and higher
Off : 2.0 bar and lower


 


Operation
If excessive current is allowed, the compressor
stops due to fan motor overload.
Contact point
Normal: 97-98 off
Overload: 97-98 on

 

 

  1. RC(A) knob
    - Set the operating current
    2.Time knob
    - Set the operating time
    3. O.L./Fault LED
    - LED working according
    to each different condition
    4. Test/Reset
    - Check the normal working
    condition of button output
    contacts


Minh Phu provides maintenance and repair services for air compressors, in addition Minh Phu also provides spare parts for air compressors with high quality at reasonable prices. For further information, please contact (+84)919 23 28 26. Sincerely thank you for your interest and your trust of our service.
 

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