Panasonic WH-TX30B9E8, Service Manual

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10.3. Piping Installation
• Please engage a licensed water circuit installer to install this water circuit.
• This water circuit must comply with relevant European and national regulations, and local building regulation codes.
• Ensure the components installed in the water circuit could withstand water pressure during operation.
• Do not apply excessive force to pipes that may damage the pipes.
• Use 3/4” nut for all Tank Unit tube connections and clean all tubes with tap water before installation.
• Choose proper sealer which can withstand the pressures and temperatures of the system.
• Make sure to use two spanners to tighten the connection. Further tighten the nuts with torque wrench in specified torque as
stated in the table.
• If non-brass metallic piping is used for installation, make sure to insulate the pipes to prevent galvanic corrosion.
• Do not use worn out tubes.
• Make sure to insulate the water circuit pipes to prevent reduction of heating capacity.
• After installation, check the water leakage condition in connection Area during test run.
Connector / Nut size
(Torque)
1/2” [39.2 N•m]
3/4” [58.8 N•m]