GENERAL INFORMATION
This section contains general information on:
• How the backup system works
• How the electronic circuit breaker works
• How the sensor feature works
HOW THE BACKUP SYSTEM WORKS
The Custom Command uses non-volatile memory to store watering
programs. This type of memory prevents the watering program
information from becoming lost in the event of a power failure. An
additional benefit of non-volatile memory is that a factory-installed
backup program is not necessary, thereby avoiding the potential for
dead-heading a pump.
Because the current time and date are always changing, only the most
recent date can be saved in non-volatile memory. Therefore, a battery
is required to maintain the correct time and date in the event of a
power failure. A 9-volt alkaline battery (provided) will maintain the
correct time and date during power failures up to 90 days. In a typical
installation, the battery should last from two to four years before
replacement is necessary. Once the battery or AC power is connected,
the controller can be fully programmed for operation.
Note: For operation of the valves, AC power must be applied.
To install the battery:
1. Pull the two latch on the hinged
control module assembly and carefully
swing it outward to open.
2. Locate and remove the battery
compartment cover from the lower
back side of the module.
3. Connect the 9-volt alkaline battery
supplied to the battery clip terminals.
4. Insert the battery into the
compartment and reinstall the battery compartment cover.
Caution: Batteries contain hazardous material. Always handle
and discard batteries properly in accordance with the battery
manufacturer's recommendations.
Note: In the event of power failure and the 9-volt battery is missing
or drained, only the time and date will be lost. Controller watering
program information will be retained in the non-volatile memory.
General Information
4
Figure 3
9-Volt Alkaline
Battery