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0 49 INSTALLATION

GMV5 COMPACT MULTI VRF UNIT

SERVICE MANUAL

INSTALLATION

1 TOOLS AND EQUIPMENT FOR INSTALLATION AND MAINTENANCE

◆Triple distribution box------------------------------- ------------------ --------------- ----- --------- ----------- -------- Fig.1

◆Multi-function meter-------------------------------------------------- ------------------ --- ------ - -------- ------------- Fig.2

◆Control valvle-------------------------------------------------- ----------------------------------------- ---- -- ---------- - Fig.3

It can avoid refrigerant overflow when moving the refrigerant, it can make the liquid tube and liquid filling

port opening are closing in an instant.

◆Filling safty equipment (Gas Liquid Seperator) ---------------------------------------------------- ------ ---------- --Fig.4

In general, the refrigentrant must be converted to liquid, because refrigerant R410A is a mixed system,

if the combined ratio changes there will be a certain risk. In order to avoid the refrigerant return to

compressor in liquid, you can use this device to make refrigerant safely entering the compressor.

◆Eletronic balance---------------------------------------------------------- ---------------------------------- -------------- Fig.5

The recommended equipment for filling R410A

◆Refrigerant storage tank----------------------------------------------- ------------------------------- ---------------- ---- Fig.6

It must confirm the type of refrigerant before filling, liquid refrigerant is filled usually.

◆Thermistor vacuum gauge-------------------------------------------- ---------------------------------- -------------- --- Fig.7

In ordet to completely remove Refrigerant vapor, take appropriate vacuum is necessary. You can use

this device to determine whether the system is a vacuum environment.

◆Vacuum pump----------------------------------------------------------------- ------------------------------- -------------- Fig.8

◆Welding tools---------------------------------------------------------------- --- ------------------------------- ------------Fig.9

◆Tube bender-------------------------------------------------------------------- ---- ----------------------------- --------- Fig.10

◆Tube expander-------------------------------------------------------------------- --- ------------------- ----- --- --------Fig.11

In order to adapt to high pressure characteristics of R410A, the shape of the tube expander is different from

the conventional expander

◆Nitrogen tank----------------------------------------------------------------------- --- ----------------------------------- Fig.12

◆Phillips/slotted screwdriver--------------------------------------------------------- --- ------------- ------------------- Fig.13

◆Pliers--------------------------------------------------------------------------------------- --- ----------------------------- Fig.14

◆Monkey wrench8/12---------------------------------------------------------------------------- --- ---------------------- Fig.15

◆Torque wrench ------------------------------------------------------------------------------------------ --- -------------- Fig.16

◆Double pressure gauge------------------------------------------------------------------------------------------------ --- Fig.17

◆Level------------------------------------------------------------------------------------------------------- ----------------- Fig.18

◆Impact electric hammer-------------------------------------------------------------------------------- -------------------Fig.19

◆Electric drill----------------------------------------- ----------------------------------------------------------------------- Fig.20

◆Oxygen pressure reducing valve, Nitrogen pressure reducing valve, Acetylene pressure reducing valve, Back

valve--------------- --------- ---------------------------------------------------------------------------------------------------Fig.21

◆Gas leak detector --------------------------------------------------------------------------------------------------------- Fig.22

Gree GMV5 Compact Series Service Manual

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