McQuay MCI16036CCU216A, Техническое руководство

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R410A 60Hz 16 SEER Universal Outdoor Series Technical Manual
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2.10.2 Self-fault diagnostic function
Our company will provide convenient service to our customers, and install all kinds of judgment systems, which can
display the unmoral function of the unit.
Indoor fault codes table:
Following cases are not air conditioner troubles
1.Sometimes , air conditioner may give off odours , for the unit can absorb the smell of rooms ,furniture,
cigarettes , makeup, etc., and then emit it again.
2.A continuous low hissing sound is heard when the system is in operation. This is the sound of refrigerant
gas flowing through both indoor and outdoor units.
3.When starting up or stopping the air conditioner, you can hear "cracking" sound from the air conditioner, t
his sound is produced by the contraction or the expansion of the structural part of the air conditioner, which
is caused by temperature change.