5
Electrical System Checkout
1.
Rotate the STATION dial counterclockwise to position REST at the top directly un-
der the Station pointer.
2.
Pull all pins on the HOUR and DAY dials to the "out" position.
3.
Put the MODE switch in the AUTO position.
4.
Turn on the main power at the source.
5.
Adjust each station TIME control to the 5 minute mark. See Figure 6.
6.
Rotate the STATION dial (counterclockwise) to position Station 1 under the pointer.
Watering should commence shortly as the automatic mechanism latches with the Sta-
tion dial.
The 5-minute interval should provide sufficient time to observe control valve operation.
If more time is required, simply adjust the timing knobs as necessary. The controller
will advance through each station, in sequence, providing opportunity to observe each
circuit for proper operation.
Upon satisfactory checkout of the system, proceed to adjust the controller clock.
CAUTION:
"Dead-Heading" a pump (running the pump's motor without water flowing through it)
may cause pump damage. It may also result in personal injury from hot water spraying
from the pump as a result of static water within the pump heating to a temperature
where plastic pipe and fittings may melt and discharge the water. ALL CON-
TROLLERS USING PUMP START RELAYS ON MASTER VALVE/PUMP START CIR-
CUITS MAY ENCOUNTER THIS PROBLEM. As a safeguard against such an incident
the following procedure is highly recommended.
All UNUSED stations on an electromechanical controller must be connected to a sta-
tion on the controller where a valve is present if a pump start relay is used to start a
pump. This installation method eliminates possible pump dead-heading if station tim-
ing is inadvertently programmed on a station where a valve is not present. See details
below.