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Section 1
Introduction
The VAS - 4 is a full-featured vacuum monitoring system. The system uses
the latest in integrated circuit technology, which allows a compact design,
accuracy and reliability. The VAS - 4 features both high and low vacuum
detection, separate high, low and latch alarm relays, three digit display of
vacuum in inches of Hg., LED status indicators and an analog output. The
high and low alarm levels are user adjustable along with a variable delay
timer. The enclosure has a NEMA 4X rating; therefore it can be mounted
outside. Applications include loss of chlorinating in water and wastewater
treatment, pool pump monitoring, automotive test equipment and many
others.
Section 2
Inventory
The following items are included with the VAS - 4:
1. VAS - 4. Contains the electronics housed in a NEMA 4X enclosure.
2. Sensor enclosure with oil based protection device.
3. Two watertight fittings used for running the power and alarm
wires from the control box to the alarms.
4. ¼” tube fitting attached to the oil based protection device.
5. Power cord.
6. Instruction manual.
7. Warning label attached to the oil based protection device.
