April 8, 2011 HN FAQ Memo, Version 3.0 Page 26 of 108
Tighten strip
around tube
At valve stud.
Connecting the tube on Parlour installation:
HN version 1 (left picture): The suction end of the tube should be fitted into the switch valve, as shown on
the picture. (no need to cut tube)
The 100 mm tube on the pressure side should be mounted to the tube going from the SI to the AI.
HN version 2 (right picture): The suction end of the tube should be fitted into the switch valve, as shown
on the picture (no need to cut tube). Note that a strip has to be tightened around the tube at the valve stud.
The 100 mm tube on the pressure side should be mounted to the tube going from the SI to the AI.