Daitsu ASD 12UI-DB, Руководство по обслуживанию

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Installation and Maintenance
Service Manual
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refrigerant.
Any presence of air or other foreign substance in the refrigerant
circuit will cause system pressure rise or compressor rupture,
resulting in injury.
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which is not comply with that on the nameplate or unqualified
refrigerant.Otherwise, it may cause abnormal operation, wrong
action, mechanical malfunction or even series safety accident.
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repairing the unit, be sure that the unit is running in cooling mode.
Then, fully close the valve at high pressure side (liquid valve).About
30-40 seconds later, fully close the valve at low pressure side (gas
valve), immediately stop the unit and disconnect power. Please note
that the time for refrigerant recovery should not exceed 1 minute.
If refrigerant recovery takes too much time, air may be sucked in and
cause pressure rise or compressor rupture, resulting in injury.
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valve are fully closed and power is disconnected before detaching
the connection pipe.
If compressor starts running when stop valve is open and connection
pipe is not yet connected, air will be sucked in and cause pressure
rise or compressor rupture, resulting in injury.
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connected before the compressor starts running.
If compressor starts running when stop valve is open and connection
pipe is not yet connected, air will be sucked in and cause pressure
rise or compressor rupture, resulting in injury.
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If there leaked gas around the unit, it may cause explosion and other
accidents.
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wire is not long enough, please contact a local service center
authorized and ask for a proper electric wire.
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the indoor and outdoor units. Firmly clamp the wires so that their
terminals receive no external stresses.
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To ensure safety, please be mindful of the following
precautions.