Periodic Inspection - Mitsubishi Electric GOT SIMPLE Series Operation Manual

10.2

Periodic Inspection

Half-yearly or yearly inspection items
Inspect the following items when moving or modifying equipment, or changing wiring.
Item Inspection item
1 Surrounding Ambient temperature
environment
Ambient humidity
Atmosphere
2 Input polarity of 24 V DC power
3 Installation Looseness
status
Foreign material
adherence
4 Connection Loose terminal screws
status
Proximity of solderless
terminals
Loose contactors
5 Battery
*1 The criterion varies with the installation orientation.
For the details, refer to the following.
Page 69 Control Panel Inside Temperature and GOT Installation Angle
Inspection method Criterion
Measure corrosive gas Display section
with a thermometer or
Other sections
hygrometer.
10 % RH to 90% RH
No corrosive gas
Measure voltage across Connected according to terminal
24 V DC terminals. markings on the GOT power
supply section
Move the unit. Mounted firmly
Visual check No foreign matter adherence
Retighten screws with a Not loose
screwdriver.
Visual check Proper intervals
Visual check Not loose
Check the voltage status No alarm
of the GOT built-in
battery in [Time] of the
utility.
GOT2000 Series
User's Manual (Utility)
Corrective action
0 °C to 40 °C For use in a control panel, the control
panel inside temperature is the
*1
ambient temperature.
Change wiring.
Retighten screws.
Remove the foreign material and
clean.
Retighten terminal screws.
Correct intervals.
Retighten contactor fixing screws.
Replace the battery with a new battery
when the current battery has reached
the specified life span, even if the low
voltage is not indicated.
10 MAINTENANCE AND INSPECTION
10.2 Periodic Inspection
10
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