Installing Accessories 39
Cat. No. 01021161
Multi-Tank Systems
Communication Cable—Multiple Units
Multiple units require a communication cable between each unit. Refer to the table below for the cable type, part number
and quantity required. Cables are attached to the RS485 terminal of the circuit board.
Table 1. Communication cable requirements
System Configuration Cable Part
Number
Qty of Cables
Required
Kit Part
Number
Qty of blocking
solenoids used
Duplex Alternating 01016342 1 01016369 2
Duplex Parallel 01016327 1 N/A 0
Triplex Parallel 01016327 2 N/A 0
Duplex Progressive 01016327 1 01016333 2
Triplex Progressive 01016327 2 01016334 3
Multiple units can be set up as progressive flow, alternating or parallel operation. Refer to the instructions and schematics
below and on the following pages for connection to the circuit board.
Most multiple tank configurations will also require blocking valves (with the exception of the Hi-Flo 3e softener). These are
used to hold tanks offline until needed. Based on the chart above, you can determine how many blocking solenoids are
used. These solenoids are included in the alternating and progressive flow kits.
Blocking Solenoid Connection (used on Alternating and Progressive Flow Systems)
The solenoid valve wiring attaches to the Aux Out 4 output connection on the auxiliary circuit board. See
Figure 24.
Figure 24. Auxiliary circuit board.
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