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M
ainTenanCe
WARNING
Read Safety on page 1-3 before performing any maintenance
on the equipment . Ignoring the safety instructions can cause
injury or death .
Maintenance Intervals
If installed in an appropriate environment, the drive requires
very little maintenance . This table lists the routine maintenance
intervals recommended by Daikin .
Table 57: Maintenance Intervals
Maintenance
Application
Interval
Instruction
Check/replace R7/R8 enclosure inlet
air filter
R7/R8 UL type 12 enclosures
Check every 3 months . Replace as
needed .
Frame Sizes R7/R8 – UL type 12
enclosure inlet air filter on
page 81
Check/replace R7/R8 enclosure
exhaust air filter.
R7/R8 UL type 12 enclosures
Check every 6 months . Replace as
needed .
Frame Sizes R7/R8 – UL type 12
enclosure exhaust filters on
page 81
Check and clean heatsink .
All
Depends on the dustiness of the
environment (every 6…12 months)
See Heatsink below .
Replace drive module fan .
Al
Every six years
See Drive module fan replacement on
below .
Replace drive module fan .
UL type 12 enclosures
Every three years .
See Enclosure fan replacement – UL
Type 12 enclosures on
page 81
.
Change capacitor .
Frame sizes R5 and R6
Every ten years
See Capacitors on
page 81
.
Replace battery in the Assistant control
panel
All
Every ten years
See Control panel on
page 81
.
Heatsink
The heatsink fins accumulate dust from the cooling air.
Since a dusty heatsink is less efficient at cooling the drive,
overtemperature faults become more likely . In a “normal”
environment (not dusty, not clean) check the heatsink annually,
in a dusty environment check more often .
Clean the heatsink as follows (when necessary):
1 . Remove power from drive .
2 . Remove the cooling fan (see
Figure 12
and
Figure 13
) .
3 . Blow clean compressed air (not humid) from bottom to
top and simultaneously use a vacuum cleaner at the air
outlet to trap the dust .
4 . Replace the cooling fan .
5 . Restore power .
NOTE:
If there is a risk of the dust entering adjoining
equipment, perform the cleaning in another room .
Drive Module Fan Replacement
The drive module fan cools the heatsink . Fan failure can be
predicted by the increasing noise from fan bearings and the
gradual rise in the heatsink temperature in spite of heatsink
cleaning . If the drive is operated in a critical part of a process,
fan replacement is recommended once these symptoms start
appearing . Replacement fans are available from Daikin . Do not
use other than Daikin specified spare parts.
Frame Sizes R1—R4
To replace the fan:
1 . Remove power from drive .
2 . Remove drive cover .
3 . For Frame Size:
—
R1, R2: Press together the retaining clips on the fan
cover sides, and lift .
—
R3, R4: Press in on the lever located on the left side
of the fan mount, and rotate the fan up and out .
4 . Disconnect the fan cable .
5 . Install the fan in reverse order .
6 . Restore power .
OM 1191 • MD5 VFD 80 www .DaikinApplied .com
M
ainTenanCe
Содержание MD5
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