Fujitsu WATERSTAGE 112 Maintenance Document page 16

Heat Pump, Split System, Single Service, 3 phase
2.3.3 Hydraulic Unit Connection Diagram
* If the control device does not provide a potential-free contact, the contact must be relayed to create equivalent
wiring. In all cases, please refer to the instruction manuals for the external components (load limiting device,
power meters) to create the wiring.
** If several fault inputs are required, they are to be wired in series (they must be of the normally-open type).
Maintenance Document 1394-1
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