31
Valley Classic Control Panel
CAUTION
CAUTION
DO NOT HOLD BUTTON DEPRESSED
LONGER THAN 3 SECONDS. REPEATED
START ATTEMPTS CAN CAUSE SERIOUS
STRUCTURAL DAMAGE
0997302
OFF
ON
DANGER
High Voltage!
480 Volts can kill.
Lock Machine Power
in the “OFF” position
before opening cover.
0997326
Classic
1
2
Figure 31-1 ATC Percent Timer Shown
1. Percent Timer
2. Indicator Light
Eagle Percent Timer
On/Off Indication
ATC and Macromatic Percent Timer
On/Off Indication
The Eagle HQ4E has an indicator light that is ON solid
during the timer ON cycle. It blinks twice per second
during the timer OFF cycle. See Figure 31-1.
The ATC 304GX has an indicator light that is ON solid
during the timer OFF cycle. It blinks at a variably in-
creasing rate during the ON cycle. See Figure 31-1.
Watch the percent timer indicator light for several
complete cycles (ON/OFF) of the timer to insure you
catch a complete timer cycle.
• 60 second cycle timer, the indicator light should be
ON (solid) for 12 seconds and OFF (blinking) for
48 seconds. If the indicator light is ON (solid) for
more than 13 seconds or less than 11 seconds the
percent timer is not operating properly and must
be replaced.
• 120 second cycle timer, the indicator light should
be ON (solid) for 24 seconds and OFF (blinking)
for 96 seconds. If the indicator light is ON (solid) for
more than 26 seconds or less than 22 seconds the
percent timer is not operating properly and must
be replaced.
• If the indicator light is ON (solid) or OFF (blinking)
continuously the percent timer is not operating
properly and must be replaced.
Watch the percent timer indicator light for several
complete cycles (ON/OFF) of the timer to insure you
catch a complete timer cycle.
• 60 second cycle timer, the indicator light should be
ON (blinking) for 12 seconds and OFF (solid) for
48 seconds. If the indicator light is ON (blinking) for
more than 13 seconds or less than 11 seconds the
percent timer is not operating properly and must
be replaced.
• 120 second cycle timer, the indicator light should
be ON (blinking) for 24 seconds and OFF (solid)
for 96 seconds. If the indicator light is ON (blinking)
for more than 26 seconds or less than 22 seconds
the percent timer is not operating properly and
must be replaced.
• If the indicator light is ON (blinking) or OFF (solid)
continuously the percent timer is not operating
properly and must be replaced.
Operation
Testing the Percent Timer
The percent timer should be tested for proper op-
eration at the beginning of each growing season and
then every month throughout the season.
To test the percent timer do the following:
1. Set the percent timer to 20% on the dial. See
Figure 31-1.
2. Start the machine.
3. Depending on the type of percent timer follow
one of the directions in the table below:
