37
7-6 Periodic replacement parts
Things listed below are parts that are recommended to be replaced periodically.
No. name Check
in
every
Replacing frequency
(year)
amount
1 Pump
（
exclude diaphragm
）
6 months
1
〜
3
1
2
Pump diaphragm
6 months
1
〜
2
1
3
Inner tubes
6 months
1
〜
3
1 set
4 Fan 6
months
1
〜
2
1
5 Outer
filter 6
months 0.5
〜
1
1
6 Inner
filter 6
months 2
〜
3
1
7 Light
source 6
months
2
〜
3
1
8 Motor
1
year
2
〜
3
1
9
O-ring on the flow meter
1 year
3
〜
6
1
10
Gas filter cell
1 year
4
〜
6
1
11
Flow meter
1 year
7
〜
8
1
12 switching
regulator
−−−
4
〜
6
1
13 Photo
sensor
−−−
4
〜
6
1
14 Main
board
−−−
7
〜
8
1
15 Terminal
board
−−−
7
〜
8
1
16 Preamp
board
−−−
7
〜
8
1
17 Relay
board
−−−
7
〜
8
1
18 Solenoid
−−−
7
〜
8
1
19
Fuse
（
5A
）
−−−
8 2
＊
NOTE
・
The replacing frequencies above are indications and are not representing the length
of warranty. The replacing frequencies may change if needed.
・
Boards need to be replaced do to condenser deterioration.
