GMV5 D.C INVERTER MULTI VRF                                                                                              SERVICE MANUAL 
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PREFACE 
This manual specifies safe operation requirements for GMV5 series VRF units from perspectives of 
engineering  and  installation,  commissioning  and  maintenance,  as  well  as  basic  principles  and 
implementation  methods.  Professional  operators  must  abide  by  relevant  national  (local)  safety 
requirements and technical specifications set forth in this manual during operations; otherwise, the air 
conditioning system may fail or be damaged, and personnel safety accident may also occur.