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9.7.8. High-pressure Switch Disconnection Error Detection Control
• High-pressure switch disconnection is detected when high-pressure switch input continuously open for 1 minutes while the com-
pressor shutdown.
• During this error, high-pressure switch error is displayed.
9.7.9. Low-pressure Switch Disconnection Error Detection Control
• Low-pressure switch disconnection is detected when low-pressure switch input continuously open for 1 minutes while compres-
sor shutdown.
• During this error, low-pressure switch error is displayed.
9.8. Test Run
• Test run is necessary after installation is completed.
• To enable forced cooling test run, at outdoor PCB, set the DS1 to position below:
• To enable forced heating test run, at outdoor PCB, set the DS1 to position below:
• Press Test Run button at outdoor pcb for 1 second.
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