INSTALLATION MANUAL FOR OUTDOOR UNIT
Outdoor unit pipelines connection
According to the pipeline connection method connection the distribute pipes and inlet & outlet liquid pipes.
Leak test must be made after connection of the refrigerant pipe according to the following diagram.
Close all the gas and liquid valves.To prevent nitrogen gas from invading the outdoor circulating
system,close the valve tightly before pressure increase,(Both the gas and liquid valves must be tightly
Every cooling system must be charged slowly from the gas and liquid valves.
It must be charged from the gas and liquid valves.
Matters needing attention
Never use oxygen,flamable and poisonous gases for the leak test.
Detailed diagram of the
To the gauge
(Liquid side)access hole
(Liquid side)three-way valve
(Gas side )access hole
(Gas side)three-way valve
Three-way valve fully
Three-way valve fully closed
To the unit