MNL- 0345
Page 80 Section 4 Base Edition
4.2.1.8 Safety Valve
The safety valve is located on the coalescing oil and water separator and acts as the safety valve for the
final stage of the compressor.
4.2.1.9 Securus
♦
Electronic Air Purification Monitoring System
The Securus
♦
Electronic Air Purification Monitoring System is a factory installed option which warns the
operator in advance of expiration of the life of the cartridges. The Securus
♦
Indicator receives signals con-
cerning the condition of the drying agent inside the Securus
♦
cartridge from the attached sensors and sup-
plies the appropriate control signals whenever the preset threshold values have been reached.
4.2.1.9.1 Securus
♦
Cartridge
The Securus
♦
Cartridge is packed with a catalyst which converts carbon monoxide to carbon dioxide,
activated carbon which absorbs oil vapors effecting taste and odor, molecular sieve which absorbs oil and
water and the sensor components of the Securus
♦
Electronic Air Purification Monitoring System.
4.2.1.9.2 Securus
♦
Indicator
The operating condition of the Securus
♦
Air Purification System is indicated by the color and state of four
LED’s on the front of the Securus
♦
Indicator and is shown in the following table.
4.2.2 Maintenance
4.2.2.1 Coalescing Oil/Water Separator
To remove the sintered metal filter proceed as follows:
1. Disconnect the power and shut off the inlet supply line if applicable.
2. Depressurize the system by means of the bleed valve.
Color State Indication Compressor Unit Status
Green Continu-
ous
Satisfactory The unit is in operation
Yel-
low
Flashing Cartridge Change Pre-warning The unit is in operation.
The green LED will also illuminate.
Red Flashing Cartridge Change Required The unit is shutdown and can not be
started until the cartridges are
changed.
Red Continu-
ous
Cable Failure or Missing Cartridge The unit is shutdown.
No LEDs Illuminate No operating voltage or an electronic
failure
The unit is shutdown.
NOTE
After applying power it will take about ½ second for the appropriate LED to illuminate.
During this time the status of the Securus
♦
Air Purification System is tested.
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