Chapter 6 Maintenance
- 48 -
3.Monthly maintenance
Maintenance item Description
Rising fastens for
the terminal
Confirm the loosening of the wiring connection part of the electronics
equipment inside the control panel and in the unit. And, perform the
rising fastens in the connection part.
CAUTION
The check is after stop the unit, always, perform after turned “OFF”
the power breaker in the front.
4.Every three months maintenance
Maintenance item Description
Checking for electromagnetic
contractor(heater relay)
※Check of condition of
connecting point (abrasion)
Open the control panel of the unit after turning OFF the control panel
[ON/OFF] switch and shutting down the power breaker.
Replace white cover of Electromagnetic
contractor (Figure 4.1B).
You can replace the cover easily by pulling
it toward you.
NOTE
Some types of the unit do not have
white covers.
Connecting point of the electromagnetic contractor is inside the
component shown in Fig.4.2.
Light one side of the terminal connecting section on the skew by a
flashlight or like and check the condition of the point (Fig. 4.3).
Replace immediately when it has discolored into blackish, and has
abrasion like Fig. 4.4.
White cover
Figure 4.1B
Figure 4.2
Figure 4.3
Skew view of terminal
connecting section
Figure 4.4
Conditions of connecting
Normal
Abnormal (abrasion)
The upper figures are side
views of the connecting
points.
Connecting section
is inside in .
To Next Page
Loading...
