Gree GMV5 Compact Series - Page 72

INSTALLATION 0700
GMV5 COMPACT MULTI VRF UNIT
SERVICE MANUAL
unit.
(3) Keep the unit from fire, flammable objects, corrosive gap or exhaust gas;
Please reserve ventilation space;
Please reserve sufficient space for maintenance;
Please take proper measures to reduce noise and vibration.
(4) Electrical installation of unit.
All electrical installation must be done by professionals according to national and local laws and regulations.
The unit must be grounded reliably. Please connect wire according to the wiring diagram on the unit.
6 EXCURSUS
6.1 Schedule of refrigerant characteristic
Refrigerant
Characteristic
R410A
R407C
R22
Components percentage（wt%）
R32/R125（50/50）
R32/R125/R134a（23/25/52）
R22（100）
Boiling point（℃）
-51.4
-43.6
-40.8
State
Approximate Azeotrope
Azeotrope
-
Pressure at 54.5℃（kpa）
3406
2262
2151
Temp.Excursion（℃）
0.11
5.4
0
ODP
0
0
0.055
6.2 Installation flowchart