Viega RABS 1250.7US, Руководство по установке

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Installation and Assembly
IM-HC 599871 0321 RABS
X Plug the long ribbon cable (31.5 inch) into the first circuit hub. The
first circuit hub will be on the far left side of the return header.
X Connect the first circuit hub to the second circuit hub using the
short ribbon cable (3 inch) that came with the first circuit hub.
X Repeat this procedure until all circuit hubs are chained together in
series.
The last circuit hub will have an empty socket. The short
ribbon cable (3 inch) that comes with it does not get used.
X Plug each powerhead into the corresponding circuit hub.
Z Attach each circuit hub to the corresponding return sensor port
by aligning the return temperature sensor on the circuit hub with
the port. The connection is secure when you feel and hear a
slight click.
Circuit hubs can be removed in the future, if necessary, but
doing so compromises the seal.