Notice On Maintenance - Gree GUD35ZD/A-T Owner's Manual

DC Inverter U-match Series Floor Ceiling Type Unit
conditioner to "ON" status before 8h of operation, to preheat the crankcase of
outdoor compressor;
(6) Check if the installation of outdoor unit is firm, if not, please contact with Gree
appointed maintenance center.
5.3.5 Maintenance at the end of the Using Season
(1) Cut off the main power of air conditioner;
(2) Clean the filter screen, indoor and outdoor unit;
(3) Clean the dust and sundries in indoor and outdoor unit;
(4) If the outdoor unit is rusty, coat the rusty location with paint to prevent it from
expanding.
5.3.6 Components Replacement
Components are available in Gree agency or Gree distributors nearby.

5.4 Notice on Maintenance

5.4.1 Information on Servicing
The manual shall contain specific information for service personnel who
shall be instructed to undertake the following when servicing an appliance that
employs a flammable refrigerant.
5.4.1.1 Checks to the Area
Prior to beginning work on systems containing flammable refrigerants,
safety checks are necessary to ensure that the risk of ignition is minimized. For
repair to the refrigerating system, the following precautions shall be complied
with prior to conducting work on the system.
5.4.1.2 Work Procedure
Work shall be undertaken under a controlled procedure so as to minimize
the risk of a flammable gas or vapour being present while the work is being
performed.
5.4.1.3 General Work Area
All maintenance staff and others working in the local area shall be instructed
on the nature of work being carried out. Work in confined spaces shall be
54