DC Inverter Multi VRF System
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9.3 Notice before Seasonal Use
（1） Check whether air inlets and air outlets of indoor and outdoor units are blocked;
（2） Check whether ground connection is reliable or not;
（3） Check whether batteries in the remote controller are replaced or not;
（4） Check whether air filter is properly installed;
（5） If unit starts up after not operating for a long time, it should be power on 8 hours before
operation starts so as to preheat the outdoor compressor;
（6） Check whether outdoor unit is securely installed. If there is any problem, please
contact Gree authorized service center.
9.4 Maintenance after Seasonal Use
（1） Disconnect power of the entire system;
（2） Clean the air filter and outer case of indoor and outdoor units;
（3） Clean away the dust and obstacles on indoor and outdoor units;
（4） If outdoor unit has rust, please apply some paint to it so as to prevent the rust from
growing.
9.5 Parts Replacement
Parts and components can be obtained from nearby Gree office or Gree distributor.
Note:
When you are conducting air tightness test and leakage test, do not mix oxygen, C2H2 or other dangerous
gas into the refrigerant circuit. Otherwise, it may lead to danger. Use nitrogen or refrigerant to conduct the tests.
10 After-sales Service
If there’s quality defect or other problems in the product, please contact Gree local after-sales
service department for help.
Warranty must be based on the following conditions:
（1） Product’s initial startup must be performed by professional technicians from Gree
service center or persons assigned by Gree.
（2） Only Gree spare parts are used,
（3） All instructions of unit operation and maintenance in this manual must be strictly
followed according to set period and set frequency.
（4） Any breach of the above conditions will disable the warranty.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
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