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10
• VRV Systems • Outdoor Units
107
• Outdoor Units • HEAT PUMP • RWEYQ-MY1
10
Installation of outdoor units
10 - 9 Refrigerant piping
10 - 9 - 8
Additional refrigerant charge
N
OTE
Procedures for charging additional refrigerant.
햲
Pressure reducing valve
햳
Nitrogen
햴
Refrigerant tank
햵
With a siphon
햶
Measuring instrument
햷
Vacuum pump
햸
Val ve A
햹
Val ve B
햺
Charge hose
햻
Outside unit
햽
Gas side
햾
Liquid side
햿
Discharge gas side
헀
Suction gas side
헁
Shutoff valve service port
헂
To indoor unit
헃
To indoor units / BS units
헄
Dotted lines represent onsite piping
[Heat pump system]
[Heat recovery system]