Periodic Inspection - Mitsubishi Electric GOT2000 Series Hardware User Manual

11.2

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 GOT with 100 V Power supply
AC - 240 V AC voltage check
power
GOT with 24 V Input polarity of 24 V
DC power DC power
3 Installation status Looseness
Foreign material
adherence
4 Connection status Loose terminal
screws
Proximity of
solderless terminals
Loose contactors
5 Battery
*1 The criterion varies with the installation orientation.
For the details, refer to the following.
Page 194 Control Panel Inside Temperature and GOT Installation Angle
Inspection method
Measure corrosive gas with a
thermometer or hygrometer.
Measure voltage across the 100 V
AC terminal to the 240 V AC
terminal.
Measure voltage across 24 V DC
terminals.
Move the unit.
Visual check
Retighten screws with a screwdriver.
Visual check
Visual check
Check the voltage status of the GOT
built-in battery in [Time] of the utility.
GOT2000 Series User's Manual
(Utility)
Criterion Corrective action
Display section 0 °C to 40 °C For use in a control panel, the
control panel inside
*1
Other sections
temperature is the ambient
10 % RH to 90% RH
temperature.
No corrosive gas
85 V AC to 242 V AC Change the power supply.
Connected according to terminal Change wiring.
markings on the GOT power
supply section
Mounted firmly Retighten screws.
No foreign matter adherence Remove the foreign material
and clean.
Not loose Retighten terminal screws.
Proper intervals Correct intervals.
Not loose Retighten contactor fixing
screws.
No alarm 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.
11 MAINTENANCE AND INSPECTION
11.2 Periodic Inspection
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