CONNECTOR
TEST SWITCH
RED/WHT
+
VALVE SOLENOID
−
BLACK
BLACK
+ 1 SEC.
−
DELAY
CONNECTOR
TIMER
CONNECTOR
RED
LEVEL SWITCH
RED
AUDIO ALARM
−
+
BLK/WHT
LEAK DETECTOR CIRCUIT
270
OHM
RESISTOR
BLACK
Figure 16
Components can be tested by isolating them from the
rest of the circuit and individually testing the suspected
component.
6
5
Delay Timer
This is a solid state device with no moving parts. Upon
the application of power, the time delay is initiated. At the
completion of the 1 second delay, the audio alarm be-
comes energized. When power is removed the timer is
reset.
3
2
1
1.
source in series with voltmeter to connector of timer.
Make sure to observe polarity.
Isolate timer from the circuit. Connect 12VDC
4
Figure 17
2.
the 1 second delay. Remove voltage source from the
timer. Reconnect timer to the circuit.
The voltmeter should jump from 0 to 12VDC after
1.
2.
3.
270 ohm resistor
Audio alarm
Delay timer
4.
5.
6.
Toggle switch
Level detector
Valve solenoid
Valve Solenoid
Isolate solenoid from the circuit. Connect multime-
ter (Ohms setting) to connector. Make sure to observe
polarity.
Audio Alarm
1.
1.
Isolate alarm from the circuit. Connect 12VDC
source to terminals. Make sure to observe polarity.
2.
the alarm. Reconnect alarm to the circuit.
Alarm should sound. Remove voltage source from
2.
Resistance should about 7.2 ohms.
Greensmaster 3250−D
Electrical System (Rev. C)
Page 5 − 15
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| Document Type | Service Manual |
| Language | English |
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