Daily Inspection - Mitsubishi Electric GT16 User Manual

18.1 Daily Inspection


Daily inspection items
No. Inspection Item
Installation status of GOT and
1
Connector Conversion Box
Loose terminal
screws
Proximate
Connection
2 solderless terminals
status
Loose connectors
Dirt on protection
sheet
Usage
3
status
Foreign material
attachment
Refer to the following for the model names of the protection sheet or the replacement procedure.
18.2 Periodic Inspection

Yearly or half-yearly inspection items
The following inspection should also be performed when equipment has been moved or modified or the wiring
changed.
No. Inspection Item
Ambient
temperature
Surrounding
1
environment
Ambient humidity
Atmosphere
2 Power supply voltage check
Looseness
Mounting
3
status
Dirt, foreign matter Visual check
Loose terminal
screws
Proximate
Connection solderless
4
status terminals
Loose connectors
5 Battery
18 - 2
18. MAINTENANCE AND INSPECTION
18.1 Daily Inspection
Inspection Method
Check for loose
mounting screws.
Retighten screws with
screwdriver
Visual check
Visual check
Visual check
Visual check
6.5 Protective Sheet
Inspection Method
Make measurement with
thermometer or hygrometer
Measure corrosive gas
24VDC Measure voltage
across terminals.
Move module
Retighten screws with
screwdriver
Visual check
Visual check
Check the voltage status of
the GOT built-in battery of
[Time Setting] in the Utility.
( 11.1.1 Time setting)
Criterion
Securely mounted
Not loose
Proper intervals
Not loose
Not outstanding
No foreign matter sticking
Criterion
Display
0 to 50
section
Other portions
0 to 55
10 to 90%RH
No corrosive gas
20.4 to 26.4VDC
Should be mounted firmly
No dirt, foreign matter
sticking
Not loose
Proper intervals
Not loose
No alarm displayed
Action
Retighten screws within the
specified torque range
Retighten terminal screws of the
Connector Conversion Box
Correct
Retighten connector fixing
screws of the Connector
Conversion Box
Replace with new one
Remove clean
Action
For use in control panel,
temperature inside control
panel is ambient temperature
Change supply power
Retighten screws
Remove, clean
Retighten terminal screws of
the Connector Conversion Box
Correct
Retighten connector fixing
screws of the Connector
Conversion Box
Replace with new battery
when the current battery has
reached the specified life
span, even if battery voltage is
not displayed.