G (Low Pressure)
G (High/Low Pressure)
L
Outdoor Unit Side
Unit P Unit K Unit J Unit I Unit H Unit G Unit F Unit E Unit D Unit C Unit B Unit AUnit LUnit MUnit NUnit O
<MVD2>
<MVS3>
<MVD3>
<MVS4>
<MVD4>
<MVS1>
<MVD1>
<MVS2>
<MVD2>
<MVS3>
<MVD3>
<MVS4>
<MVD4>
<MVD2>
<MVS3>
<MVD3>
<MVS4>
<MVD4>
<MVS1>
<MVD1>
<MVS3>
<MVD3>
<MVS4>
<MVD4>
<MVS1>
<MVD1>
<MVS2>
<MVD1>
<MVS2>
<MVD2>
<MVS1>
2
2
SSSSSSSSSSSSSSSS
SS
1
<MVS2>
L LLL LLL LLLLLLL
GGGGGGGGGGGGGG
Indoor Unit Side
HCHM-N16X
: Refrigerant Gas Pipe Connection
: Refrigerant Liquid Pipe Connection
: Field Refrigerant Piping
: Flare Connection
: Brazing Connection
: Switch Box
G
L
2.3 NecessaryToolsandInstrumentListforInstallation
No. Tool No. Tool
1 Handsaw 11 Wrench
2
PhillipsScrewdriver 12 ChargingCylinder
3 VacuumPump 13 ManifoldGauge
4 RefrigerantGasHose 14 WireCutter
5 Megohmmeter 15 GasLeakDetector
6 CopperPipeBender 16 Level
7
ManualWaterPump 17 CrimperforSolderlessTerminals
8 PipeCutter 18 Hoist(forIndoorUnit)
9 BrazingKit 19 Ammeter
10
HexWrench 20 VoltageMeter
NOTE:
Usetoolsandmeasuringinstruments(vacuumpump,refrigeranthose,chargingcylinder,andmanifold
gauge)exclusivelyfortherefrigerantR410A.
Mark PartName
1
ElectronicExpansionValve
2
Strainer
Figure2.5RefrigerationCycleDiagram
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