Routing the hoses from the system to the manifold
You must attach and route the hoses from the system to the manifold.
To route the hoses from the system to the manifold, complete the following steps:
1.
Route the hoses through the cable-management arm so that the hoses exit on the side of the rack that
has the manifold installed.
Note:
It is not required for the supply hose to be connected to the supply connection on the manifold,
and the return hose to be connected to the return connection on the manifold.
2.
To avoid pinching the hoses when sliding the system in and out of the rack, use a velcro strap to tie
the supply and return hoses together between where they enter the system and where they enter the
cable-management arm. Ensure that each hose is fully routed through the cable-management arm, so
that the hoses will not be kinked if the cable-management arm extends.
Note:
Ensure that the hoses do not extend past the plane of the rack door.
Turning on the water source and bleeding air from the system
You must turn on the water source in your location so that the water flows to the rack.
You can turn on the cooling distribution unit (CDU) after you have connected the manifold to your CDU
and after you have plugged your system into the manifold. To fill the system with water and to bleed the
air from the loop, follow the instructions that were provided with the CDU.
Note:
The water that is used to cool the system must adhere to the water chemistry specifications. For
more information, see Water cooling system specification and requirements (http://www.ibm.com/
support/knowledgecenter/POWER8/p8had/p8had_wc_overview.htm).
Figure 35. Routing the hoses from the system to the manifold, through the cable-management arm
30
Power Systems: Installing the IBM Power System S822L (8247-22L)
Summary of Contents for Power System 8247-22L
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