Symcom ALT-XXX-1-SW Installation Guide

INSTALLATION
INSTRUCTIONS

Rapid City, SD, USA, 02/2010

MODEL ALT-XXX-1-SW

Revision C1

II_ALT-XXX-1-SW_C1

2880 North Plaza Drive, Rapid City, South Dakota 57702

[phone] · [phone] · fax [phone]

BE SURE POWER IS DISCONNECTED PRIOR TO INSTALLATION!

FOLLOW NATIONAL, STATE AND LOCAL CODES.

SymCom’s PumpSaver
commonly used in duplex pumping applications to balance the run time of two pumps (loads). The
voltage designation must be specified in the part number.

The ALT-XXX-1-SW gives the user the option to allow the unit to automatically select the load, to
balance the run time of the two loads, or to manually select Load 1 or Load 2. This gives the user the
option to force one load to be the lead at all times when one load has been removed for maintenance
or repair.

An additional feature is the ability to output to two remote indicator lights.

READ THESE INSTRUCTIONS ENTIRELY BEFORE INSTALLATION.

®

Model ALT-XXX-1-SW is designed to alternate between two loads. It is

CONNECTIONS

1. The ALT-XXX-1-SW requires an 11-pin socket part number OT11 (sold separately).

2. Mount the PumpSaver
If the location is wet or dusty, it should be mounted in a NEMA 4 or 12 enclosure.

NOTE: The ALT-XXX-1-SW can be connected in many different ways using many different
switching devices. The following is a typical configuration for alternating between two pumps
and two indicator lights. See Figure 2 for a typical wiring diagram showing the following
connections.

3. Connect one pump’s magnetic contactor coils (M1) between socket terminal 11 and L2 of
the power supply.

4. Connect the other pump’s magnetic contactor coil (M2) between socket terminal 9 and L2
of the power supply.

5. Connect the indicator light for M1 (LT1) between socket terminal 3 and L2 of the power
supply.

6. Connect the indicator light for M2 (LT2) between socket terminal 1 and L2 of the power
supply.

7. Connect the power supply L2 to socket terminal 8 and power supply L1 to socket terminal

4.

8. Connect the control switch device between the power supply L1 and the socket terminals
10, 2, and 6.

9. Plug the Model ALT-XXX-1-SW into the socket.

© 2010 SymCom, Inc. All Rights Reserved 2

®

socket in a convenient location in or near the pump control panel.

Figure 1: Pin-out Diagram

Figure 2: Typical Pump Control Wiring Diagram

© 2010 SymCom, Inc. All Rights Reserved 3