Daily Inspection; Periodic Inspection - Mitsubishi Electric GOT1000 GT14 User Manual

17.1 Daily Inspection


Daily inspection items
No. Inspection Item
1 Installation status of GOT
Loose terminal screws
Connection
2 Proximate solderless
status
terminals
Loose connectors
Dirt on protection sheet
Usage
3
status
Foreign material
attachment
For the model names of the protection sheet or the replacement procedure, refer to the following.

17.2 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
Ambient
environment
humidity
Atmosphere
2 Power supply voltage check
Looseness
Mounting
3
Foreign
status
material
attachment
Loose
terminal
screws
Connection Proximate
4
status solderless
terminals
Loose
connectors
5 Battery
17 - 2
17. MAINTENANCE AND INSPECTION
17.1 Daily Inspection
Inspection Method
Check for loose
mounting screws.
Retighten screws with
screwdriver.
Visual check
Visual check
Visual check
Visual check
8.4 Protective Sheet
Inspection Method
Make measurement with thermometer or
hygrometer.
Measure corrosive gas.
24VDC Measure voltage across
terminals.
Move module.
Visual check
Retighten screws with screwdriver.
Visual check
Visual check
Check GOT internal battery voltage
status in [Time Setting & Display] of the
Utility.
( 12.1.1 Time setting and display
functions)
Criterion
Retighten screws within the specified torque
Securely mounted
range.
Not loose Retighten terminal screws.
Proper intervals Correct.
Not loose Retighten connector fixing screws.
Not outstanding Replace with new one.
No foreign matter sticking Remove, clean.
Criterion
Display section
0 to 50
Other portions
0 to 55
10 to 90%RH
No corrosive gas
20.4 to 26.4VDC
Should be mounted firmly.
No foreign matter sticking
Not loose
Proper intervals
Not loose
No alarm displayed
Action
Action
For use in control panel, temperature
inside control panel is ambient
temperature.
Change supply power.
Retighten screws.
Remove, clean.
Retighten terminal screws.
Correct.
Retighten connector fixing screws.
Replace with new battery when the
current battery has reached the
specified life span, even if battery
voltage is not displayed.