Hitachi RAS-18FSXNS2E - Page 40

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PMML0628 rev.0 - 05/2023
3
PIPE CONNECTION
PIPING WORK AND REFRIGERANT CHARGE
• For piping from front or rear side piping cover
Communicaon wiring
Power source wiring
Liquid pipe
Gas pipe
Cover gaps with packings (eld-supplied).
Install accessory rubber bushes to the wiring outlets.
Piping cover
◆ Heat recovery
• For pipng from boom base
Communicaon
wiring
Power source
wiring
Liquid pipe
High/Low Pressure Gas pipe
Cover gaps with packings (eld-supplied).
Install accessory rubber bushes to the wiring outlets.
Low Pressure Gas pipe
• For piping from front or rear side piping cover
Communicaon
wiring
Power source
wiring
Liquid
pipe
Cover gaps with packings (eld-supplied).
Install accessory rubber bushes to the wiring outlets.
Piping cover
High/Low Pressure
Gas pipe
Low Pressure
Gas pipe
 NOTE
Aer removing the pipes and compleng insulaon work, cover the gap between the pipe cover
and the pipes with packing (eld-supplied). If the gap is not covered, the unit may be damaged if
snow, rain water or animals enter the unit.