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PMML0628 rev.0 - 05/2023
3
PIPE CONNECTION
PIPING WORK AND REFRIGERANT CHARGE
3.3.2 Piping direcon
Fix the pipes adequately in order to avoid vibraon and excessive force to the valve.
1 The pipes can be installed in four direcons (front, rear, right or boom side) from the boom
base.
For vibraon protecon, properly x the piping connecon and check that no excessive force is
applied to the stop valve.
Front side
Boom base
Rear side
Boom side
a. Operaon of the stop valve should be performed according the specied in this manual.
b. Connect the pipes according to the tables.
c. Completely seal the penetraon part at the boom of the pipes with insulaon in order to
prevent rain water from entering the conduit.
◆ Heat pump
• For piping from boom base
Communicaon wiring
Power source wiring
Liquid pipe
Gas pipe
Cover gaps with packings (eld-supplied).
Install accessory rubber bushes to the wiring outlets.
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