Technical data

Installation, user and maintenance manual – GAHP-GS/WS
67
Direct control from the controller with power absorbed by the pump less than 700 •
W. If the power absorbed by the pump is less than 700 W, make the connection as
shown in Figure 6.20 Electrical wiring diagram → 67 and check that the jumper J10
and J1 are CLOSED, as shown in detail A.
Direct control from the controller with power absorbed by the pump of more than •
700 W. If the power absorbed by the pump is more than or equal to 700 W, make
the connection as shown in Figure 6.21 Electrical wiring diagram → 68 using a
control relay. In this case it is necessary to OPEN the jumper J1 and J10 positioning
its as shown in detail A and B of the Figure.
Figure 6.20 – Electrical wiring diagram
Connection of plant water circulation pumps (power absorption less than 700W), controlled directly by the appliance.
LEGEND
SCH electronic board
SCH2 electronic board
J10 J1 - jumper closed
N.O. CONTACT clean exit normally open
MA Unit terminal block
L phase
N neutral
Components NOT SUPPLIED
PMW Hot side water pump <700W
PMY Cold side water pump <700W