
36
6.
Maintenance Method
Inspection and Maintenance
Timing of maintenance and inspection
(Perform daily inspection for stable use of product.)
Maintenance/check
items
Reference for timing
Remarks
Replacement of
pre-treatment cartridge
Approx. 6 months
Exchange message appears
on the indication area.
Throughput: About 5000 liters of city water in
Tokyo.
If the quality of raw water is not good, perform
this maintenance as soon as possible.
Replacement of
membrane filter
Approx. 3 months
Exchange message appears
on the indication area.
Throughput: approx. 1500 liters for pure
water.
Need to exchange if the amount of collection
is less than the above value.
Replacement of ion
exchange resin cartridge
CPH-N
Exchange message appears
on the indication area.
(Displayed when the
conductivity of pure water is
more than 1 x 10
-4
S/m.)
Throughput: About 600 liters with the raw
water of 200 x 10
-4
S/m.
Replacement of ion
exchange resin cartridge
CPC-H
Exchange message appears
on the indication area.
(Displayed when the
conductivity of pure water is
more than 0.2 x 10
-4
S/m.)
Throughput
:
about 600 liters with the raw
water of 200 x 10
-4
S/m
By replacing CPC-N, the CPC-H service life
can be extended substantially.
。
Replacement of
deaeration membrane
module
About one year
Exchange message appears in
the indication area.
Throughput
:
Maintains the specific resistance
of distilled water to1.0 MΩ
・
cm or more
Replacement of TOC
reduction UV lamp
About 4000 hours
Exchange message appears in
the indication area.
Throughput
:
TOC of the distilled water stored
in the tank may be maintained at 50 ppb or
less (equivalent to A4 water of JIS) for about
week.
If the tank has been left unused for a long
period of time, drain first, and store the
distilled water again before use.
Cleaning of distiller
3 months
If the quality of raw water is not good, perform
cleaning early.
Cleaning of water supply
hose filer
6 months
Replacement of hose
2 years
Connections shall be checked monthly.
Drainage of distilled
water tank
3 months
If not used for a long time, drain water from
the tank.
Inspection of the vacuum
pump
One year
Change the consumable parts.
Replacement of pre-treatment cartridge
See Page 12
“Secure the pre-treatment cartridge securely " for replacement procedure.
When the cartridge is put to use without replacement, life span of ion exchange resin cartridge
becomes short.
Please dispose used cartridge as noncombustible. When it is sent back to our company, fill in the
designated invoice attached to a new cartridge, and send it with the used cartridge to us.