Solenoid Connection - Donaldson Torit Checker board Installation, Operation, Service And Replacement Part Information

Solenoid Connection

One of three types of solenoid enclosures, the
weatherproof NEMA 4 with 1/8-in solenoid valves;
the gas-explosion proof NEMA 7 with 1/8-in
solenoid valves; or the dust-ignition proof NEMA 9
with 1/8-in solenoid valves, is mounted near or on
the unit's compressed-air manifold.
Control Specifications
Input
Low Range: 90-130V/50-60Hz/1Ph
High Range: 180-260V/50-60Hz/1Ph
Output Relay Voltage and Contact Rating:
The output relays are independent of the input
voltage. Relays can accept power from any voltage
source desired.
VDE: 8 amp, 250-Volt AC
UL: 10 amp, 240-Volt AC
CSA: 8 amp, 24-Volt DC
Checker board
24-Volt Power Supply
24-Volt
SOL SOL SOL SOL SOL SOL SOL
1 2 3 4 5 6 7
Solenoid Wiring Diagram
Pulse ON Time
Factory set at 100-milliseconds, or 1/10-second.
Note: Do not adjust pulse ON time unless the
proper test equipment is available. Too much
or too little ON time can cause shortened
filter life.
Pulse OFF Time
Factory set at 10-seconds. The pulse OFF time can
only be adjusted by modifying the parameters
contained in the microprocessor software. Contact
your representative for assistance.
Operating Temperature Range
Ambient 0° F to 140° F.
Relays
There are twenty-four relay positions, twenty-three
on 24-Volt DC systems, that can be used to control
solenoid valves or other filter cleaning devices.
Checker board
neutral
110-Volt
Checker board Control Panel
SOL SOL SOL SOL SOL SOL
1 2 3 4 5 6
SOL
7
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