Xylem IM098 AQUAVAR Model 56 Controller - Manual (Page 14)

5) Input Power Cable Installation: The main
power cable is connected to GRD #2, L1, L2
for 230 Volt single phase.
• Route the cable through the strain relief per
diagram #7, cut to length and connect.
• See Appendix B for protection requirements.
6) For Multi-Pump Systems: Use a three core
shielded cable to connect terminals X3/1,
X3/2 and X3/3 between the AQUAVAR Model 56
Controller units. These are the RS-485 interface
connections. (See diagram 6 and 8). Shielding
may be grounded on terminal X3/3.
7) Low Water Switch: Used to indicate low
water, connect to terminals X2/6 and X2/7.
Refer to diagram 6.
Jump terminals if not used.
8) External On/Off: Used to turn the AQUAVAR
Model 56 Controller on/off from an external panel
or controller, connect to X2/5 and X2/4. Refer
to diagram 6.
Jump terminals if not used.
9) Relay: This connection may be used to turn
on/off a full speed slave pump or an external
run or error indicator. Wire the relay to the
switch controlling the device selected.
(X2/10, X2/11, and X2/12)
Installation Procedures
9
Electrical Connections continued
AV 1.1 AV 1.15, 1.2
Motor
connections
Control
terminals
Terminals of
the RS485
interface
Main supply
connections
Motor
connections