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Detail Explanation for Specification
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− Life span counter measure
Increase life span by limiting vacuum pump continuous running period (assure life span of over 30,000h).
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− Temp. rise counter measure.
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− OLP
Vacuum pump OLP
i. Open temp.
: 120 ± 5°C
ii. Close temp.
: 76 ± 15°C
Data Name
Item
Data
EOPMPS05
Vacuum pump continuous running control judgement time
FF
MOPMPL01
Vacuum pump continuous running maximum supply level
2
MOPMPS06
Vacuum pump restart prevention time
30s
MOPMPS07
Vacuum pump delay start time
30s
Note: This control is deactivated when EOPMPS05 is set to FF.
3. Vacuum pump restart prevention control
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• To avoid starting noise cause by frequent restart of vacuum pump in short period of time.
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• If combined with other operation mode where outdoor fan running, restart control time is MOPMPS06.
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• If Oxygen only operation, restart control time is MOPMPS06 + MOPMPS07.
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• Restart prevention control does not operate when Oxygen is pressed ON during Oxygen delay OFF control.
4. 2 way valve control
2 way valve is ON periodically to avoid it from locking after long period of idling.
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• Activation condition
When OD power relay ON signal is generated.
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• Activation content
2 way valve is ON for about 5s (valve open).
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