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Gree DC Inverter Multi VRF User Manual

Gree DC Inverter Multi VRF
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DC INVERTER MULTI VRF INSTALLATION
159
b. Open pressure gauge valve V
H
, then fill liquid state refrigerant into the liquid pipe side until
required amount is reached.
If refrigerant can not be charged in system unless the unit is turned on, let the system run at
full-load cooling mode. Open V
H
and discharge air in the hose. The high pressure end of pressure
gauge is connected to the refrigerant filling nozzle on the small valve of outdoor unit. Open V
L
and
charge gas state refrigerant into the gas pipe until required charging amount is reached.
c.Observe electronic balance or spring balance. When required amount is reached, the valve shall
be closed very quickly and then source valve on the refrigerant valve shall be shut off.
d. The amount of charging refrigerant shall be recorded.
Refrigerant charge shall be recorded as per the following table.
Unit Mark
Amount of charging refrigerant
Kg
Unit 1
Unit 2
………
Unit n
Refrigerant cylinde
r
Connector on liquid side
Connector on gas side
Pressure gauge connector valve
Spring balance
Gas liquid

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Gree DC Inverter Multi VRF Specifications

General IconGeneral
BrandGree
ModelDC Inverter Multi VRF
CategoryAir Conditioner
LanguageEnglish

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