Sterling 882.00249.00 manual Standard Features, Optional Features, Mechanical Features

2-3 Standard Features

Mechanical Features

Time-fill Capability. The length of time a station’s vacuum valve remains open to allow material to be drawn into its receiver.

Volume-fill Capability. The length of time a station’s vacuum valve remains open to allow material to be drawn in. The vacuum valve will close when material covers the station’s volume-fill proximity sensor or this time elapses, whichever comes first.

Pump Blowback Filter Cleaning Outputs. When this feature is enabled, the controller periodically sends compressed air backward through the pump’s air filter to dislodge accumulated dust and debris.

Electrical Features

•115/1/60 supply voltage

•24 VDC control voltage

•Single-point power and ground connection

•Non-fused disconnect switch, lockable

•Branch circuit fusing

•Fully accessible NEMA 12-style electrical control enclosure

Controller Features

•Monitors Station status and Pump status

•Allows operator to transfer stations to a standby pump when a pump fails

•Electronic time delay between pump startups to prevent an excessive power demand at your facility

2-4 Optional Features

Options marked with “*” indicate options that can be factory installed or retrofitted in the field.

230/1/60 Operation. Required to operate with a 230/1/60 supply voltage.

Audible/visual alarm. Alarm light and horn assembly that can be remote mounted and wired into the controller to indicate an alarm condition.

CE Package for 220/1/50 Operation. Required in Europe and other areas that need 220/1/50 supply voltage.

2–Pump 12-Station Controllers Chapter 2: Functional Description 11