Periodic Inspection - Mitsubishi Electric GOT2000 Series User Manual

11.2 Periodic Inspection

■1. Half-yearly or yearly inspection items
Inspect the following items when moving or modifying equipment, or changing wiring.
Item Inspection item
Surrounding
1
environment
GOT with 100
V AC - 240 V
AC power
2
GOT with 24 V
DC power
Installation
3
status
Connection
4
status
5 Battery
*1
11 - 4

11.2 Periodic Inspection

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