Heatless Desiccant Air Dryer User guide
User Guide - Heatless Desiccant Air Dryer nano–porous systems Dryer range: 2 NDL 010 NDL 020 NDL 030 NDL 040 NDL 050 17-100-0100
nano-porous systems Ltd Contents Title Page 1. General information ....................................................................................... 4 1.1 Document introduction 4 1.2 Manufacturers details 5 1.3 Warranty guidelines 5 1.4 Packaging 5 1.5 Dryer contents 6 2. Technical description .................................................................................... 7 3. General safety ........................................................................................
User Guide - Heatless Desiccant Air Dryer 1. General information Copyright This manual is copyrighted, all rights reserved. It may not, in whole or in part, be copied, photocopied, reproduced, translated, or reduced to any electronic medium or machine readable form without prior consent in writing from nano-porous systems limited. It may not be distributed through the internet or computer bulletin board systems without prior consent from nano-porous systems limited.
nano-porous systems Ltd 1.2 Manufacturer’s details For all enquiries please contact our Head Office: 1.3 Warranty guidelines All dryers are supplied with a 12 month manufacturer’s warranty from the date of purchase. For further information please refer to the ‘warranty guidelines’ section on our website: www.ctarefrigeracion.com 1.4 Packaging All dryers are securely packaged in a bespoke moulded packing system.
User Guide - Heatless Desiccant Air Dryer 1.5 Dryer contents 1. 1 x Heatless desiccant-air dryer 2. Packaging: o 3. 3 x power IEC cables: o o o 4. 2 x Packing support cushions 1 x UK 1 x Europe 1 x North America Dryer stand components: o o o 2 x Brackets* 8 x M4 socket button head screws* 1 x Allen key * Note: Models 040 & 050 supplied with: 4 x Brackets & 16 x M4 hex socket button head screws for wall mounting. 5.
nano-porous systems Ltd 2. Technical description The n-psl dryer uses the pressure swing adsorption principle of drying compressed air, utilising two identical columns each containing a hygroscopic desiccant bed. Wet air enters the dryer through the inlet valve and is directed into one of the columns. Figure 2: Dryer section • Each column contains a unique (patented) desiccant cartridge. • Bulk liquids and particles are removed by the filtration stage on the inlet to the cartridge.
User Guide - Heatless Desiccant Air Dryer 3. General safety For your own safety, when carrying out work on the dryer, please comply with all relevant national safety regulations relating to pressurised systems. 3.1 Intended use of the dryer The dryer is exclusively intended for drying compressed air, which is free from bulk water, oil and solid matter constituents. The dryer should be sited within a building and protected against the weather.
nano-porous systems Ltd 4. Installation & operation 4.1 Typical installation Figure 3: Dryer installation 4.2 Site selection When selecting an installation site for the dryer, the following conditions should be met: • Installation site should be protected from the weather and other harmful conditions. • The ambient temperature must not drop below +1°C. • The installation site should be level and able to support the weight of the dryer.
User Guide - Heatless Desiccant Air Dryer 4.3 Dryer start-up • Electrical connections. o To set up for compressor eco mode. Remove the link between pins 1 and 4 in the Hirschman connector, located underneath the dryer. A zero volt switching signal from the compressor needs to connect between pins 1 and 4. o When the connection is made, the dryer will operate normally. If the connection is broken, i.e.
nano-porous systems Ltd 4.4 Monitoring dryer performance (Energy saving option) • The dew-point is displayed on the control panel. When the dew-point displayed is better than -48°C PDP the dryer will switch into ec onomy mode and stop cycling. When the dew-point degrades to -42°C the dryer will restart cycling ensuring the dew-point is maintained at or better than -40°C. • If the dryer fails to achieve dew-point (falls below -30°C), the alarm output will be indicated on the front screen.
User Guide - Heatless Desiccant Air Dryer 5. Maintenance Maintenance operations should only be carried out by authorised personnel. 5.1 Maintenance guidelines • Maintenance operations only to be conducted when the system has been shut down and fully depressurised. • All connections must be undone with care, paying particular attention to the areas that become pressurised. • Do not modify or adjust the control settings. • Only certified n-psl approved replacement parts to be used.
nano-porous systems Ltd 6. Troubleshooting Problem Probable Cause 1. Insufficient inlet pressure 2. Electrical Fault Poor Dew point Performance 3. Moist or contaminated desiccant 4. Too high air consumption 5. Excessive inlet air temperature 6. Insufficient purge air 3. Eliminate the cause of contamination. Change cartridges – do not re-use. 4. Ensure the performance of the dryer matches the required air consumption. 5. Check against technical specification. 6. Purge incorrectly adjusted.
User Guide - Heatless Desiccant Air Dryer 7. Technical specification • Flow rates are based on air inlet pressure of 7.0 barg (100 psig) and temperature of 37.7C (100F). • For dryer performance at other inlet conditions or -70C (-100F) dewpoint requirements, Please see www.compressedairtreatment.com. • Where the air source is from an oil lubricated compressor, we recommend that a 0.1µm or better coalescing filter be installed on the inlet to the dryer.
nano-porous systems Ltd Notes: 17-100-0100 15
User Guide - Heatless Desiccant Air Dryer 16 17-100-0100
