Yamato Pure Line WL320A, Instruction Manual

Page: 31 / 49

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6. Maintenance procedures
Maintenance and inspection
Maintenance and inspection timing
（
To ensure stable operation of the product, be sure to carry out daily inspection.
）
Maintenance
・
inspection items Timing Remarks
Replacing the ion exchange
resin cartridge
(see P.11 and12)
When
appears on the
information display.
Treatment capacity
：
About 1200L for the raw water of 200
×
10
-4
S/m
Replacing the membrane filter
(see P.14) When
appears
on the information
display. *1
Treatment capacity
：
About 500 L with
pure water flowing
When the amount of
sampled water drops to
0.5L/min or less even if
the information display
does not indicate
. *1
Replacing the pretreatment
cartridge
(see P.13)
When
に
appears
on the information
display.
※
2
Treatment capacity
：
About 5000 L
Cleaning the feed water hose
(see P.31) Six months
Carry out cleaning earlier than
scheduled when the raw water quality
is poor.
Replacing the piping hose
(see P.31)
Two years
Check the connection for leakage
once a month.
Replacement of the water
supply solenoid valve and the
reduction valve.
Five years
Replace once every five years.
Inspection of the ELB.
(See P.31.)
One month
Check every month.
※1
Replace the membrane filter once every six months regardless of the use frequency.
※2
Replace the pretreatment cartridge once a year.
※
This unit notifies the consumables replacement timing on the basis of the water quality and
cumulative water flow hours.
※
The actual replacement timing may differ depending on the raw water quality.