GREE              Duct type Ducted Type Split Air-Conditioner Units 
73 
1 Debugging 
1.1 Debugging Flow Chart 
Prepare the project before 
debugging
I
nstall the effect check
Check the unit 
Debugging
 
1.2 Safety Notice 
  WARNING! 
① Take safety measure for outdoor operation. All the participated debugging and maintenance 
personnel must learn of the safty regulation on architecture construction, and follow the 
instruction strictly; 
② Personnel of special type of work, such as refrigeration worker, electrician and welder, must 
have the work permit for special type of work, and they are not allowed to leave their post and 
visit others during work hours; 
③ Cut off the power before conducting related operation to the equipment, meanwhile, the 
operation must be based on safety requirement strictly; 
④ All installations and maintenance operations must accord with the design requirement of this 
product and national and local safety operation requirement; 
⑤ It’s forbidden to start the compressor compulsorily by connecting the power directly. 
1.3 Preparation Before Debugging 
  NOTICE! 
Please record those installations which are inconsistent with the specification in time, so  as to 
provide corresponding analysis basis while testing the refrigeration system. 
Inspection record before debugging.