Grundfos Geo-Flo MAGNA3 - Page 10

10
MAGNA3 INSULATED PUMPS INSTALLATION MANUAL
Wiring cont.
Use two-conductor 18AWG thermostat wire to connect the MAGNA3RELAY dry contacts to the S/S and ground terminals
on the MAGNA3 pump (see figure 9).
Figure 9: MAGNA3RELAY board dry contacts to MAGNA3
24 VAC
24 VAC
DRY CONTACTS DRY CONTACTS
PUMP RELAY PUMP RELAY PUMP RELAY PUMP RELAY
S/S
M
I
M
A
WARNING: MAKE SURE THAT POWER IS DISCONNECTED BEFORE WIRING PUMP ENABLE RELAY.
24
VA
C
24
VA
C
PUMP
RELAY
PUMP
RELAY
Not used with
MAGNA3 Pump