13
Gas 220 Ace Cascade Assembly Manual V 18042018
Connecting the boiler circulating pump
The boiler circulating pump is a Grundfos Magna 1 40-60 F. The maximum power consumption of the
pump is 194 watts (Maximum 1.56A) 230V 50Hz. The pump must be connected via a pump
relay/ contactor (supplied
loose
)
.
Wiring Connections to the boiler pump
The supplied Grundfos Magna 1 40 – 60F pump must be connected to the boiler via a pump relay /
contactor. The “switching signal to the relay / contactor” is supplied by the connections marked
“pump” (see below) important note, the maximum power consumption is
300VA.
The pump power
supply must be wired to a suitable sized fused spur.
The location of the standard PCB can be found within the top mounted control panel fitted to the
boiler.
Typical example of wiring a relay / pump contactor to the Gas 220 Ace boiler panel