Product Description

• High Performance Switching Valves - Time-proven reliability.
• 90-600 SCFM - Stainless steel valves have 5-year service interval.
• 800-5,000 SCFM - High performance butterfl y valves have 3-year
service interval.
• Downstream Purge - Purge air fl ow from downstream source saves
energy and increases air compressor life.
• Enhanced Digital Controller - Included with the NEMA 4 option,
displays system status, alarms and maintenance alerts; Precise control
of valve sequence; Modbus-ready; RS-485 communications.
• Accessible Control Solenoids - Solenoid valves are mounted
externally; Push-To-Test functionality facilitates troubleshooting.
• Optional Filter Packages - Pre- and after-fi lters available in several
confi gurations. Bypasses also available for ease of dryer service.
• Low Profi le Design - Permits installation in low clearance areas;
Serviceable parts are positioned within reach reducing service time
and enhancing safety.

Standard Features

• NEMA 1 Electrical Enclosure
• High Performance Switching Valves:
• 90-600 SCFM - Stainless steel angle seat valves
• 800-5,000 SCFM - High performance butterfl y valves
• Stainless Steel Purge Valves - Position Indicator
• -400
F Dew Point Air Quality
• Solid State Timer
• Downstream Purge
• Illuminated Status Indication
• Blue Moisture Indicator
• Sound Attenuating Muffl ers
• Tower Pressure Gauges
• Pressure Relief Valves
• Prominent Purge Pressure Gauge
• High Strength Activated Alumina Desiccant
• ASME Coded Towers
• Removable Stainless Steel Diff user Screens
• Accessible Fill and Drain Ports

Optional Features

EMA 4 Electrical Confi guration:
• Digital controller with backlit LCD
• Graphical interface
• External communication - Modbus/RS-485 port
• Maintenance reminders
• User-adjustable baud rate
• DynOpticTM Schematic: Dryer ON; Tower status;
Alarm annunciation
• Remote alarm contact
• -800
F and -1000
F Dew Point Air Quality
• Moisture Load Control (MLC)
• Fail-To-Shift alarm
• Dew Point Display (Requires NEMA 4 and MLC)
• High Humidity Alarm
• Filter Packages:
• 90-1500ZPB - Filters pre-installed on dryer
• 1800-5000ZPB - Filters shipped separately
for fi eld installation
• Pneumatic Controls
• Stainless Steel Control Air Tubing
• Custom Engineered Options