Gree GMV-S280W/A-X

GMV5 Home DC Inverter Multi VRF Units
118
Chapter 3 Installation
1. Engineering Installation Flowchart
Design
disclosure
Material
purchasing
Review of onsite
installation places
Connection pipe
installation
Outdoor unit
installation
Indoor unit
installation
Welding
Purging, pressure
maintaining and leak
detection
Insulation
Connection of hydro box, indoor unit and outdoor unit
Remote
control
installati
on
Commun
ication
cables
installati
on
Power
cable
connecti
on
Drain
pipe
installati
on
Insulatio
n
Power
cable
connecti
on
Pressure
maintaining
and leak
detection
Vacuum
pumping
Refrigerant charging
Open the valve
Test operation
check on
indoor unit
Air volume
noise check
Unit
commissionin
g
As-built
drawing
User manual
delivery
Hydro box
installation
Remote
control
installati
on
Commun
ication
cables
installati
on
Power
cable
connecti
on
Water
tank
temperat
ure
sensor
connecti
on
Inject water to
the tank