Fujitsu WATERSTAGE 112 Maintenance Document page 124

Heat Pump, Split System, Single Service, 3 phase
Procedure for compressor installation
Reverse procedure to removing the compressor.
Precautions for installation of compressor.
1 When brazing, do not apply the flame on the terminal.
2 When brazing, be sure to replace the air in the pipe with nitrogen gas to prevent forming oxidization
scale.
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Maintenance Document 1394-1