Armstrong EvaPack Series Installation And Operation Manual Download Page 9 | Manualshive

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9

Minimum space needed for the cassette Extraction/Installation

Side Extraction/ Installation

Minimum free space of 600 mm is needed for the cassette Extraction/ Installation. The cassette can be
extracted from both sides.

600 mm

Front Extraction/ Installation

For inspection, commissioning and maintenance, Armstrong International recommends to always providing an
area of minimum 500 mm(*) rear and 500 mm front of the EvaPack

™

humidifier.

min. 500 mm

min. 500 mm

According to the available service rear distance, a specific cassette dismantling procedure should be followed.
Please see chapter: Cassette dismantling for replacement.

min. 150 mm

min. 150 mm

Rear or upstream

Front or downstream

Rear or upstream

Front or downstream

Air direction

Air direction

Air direction

Air direction

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Summary of Contents for EvaPack Series

Page 1: ...EvaPack Series Evaporative Pad Adiabatic Humidifier Cooler Installation and Operation Manual For RW and DW configuration IOM 542 V11...

Page 2: ...installation 18 Supplied water installation 19 Inlet tap water treatment recommendations 21 Inlet water valve installation 22 Water distribution headers 23 Water pump 23 Irrigation water hoses 24 Wat...

Page 3: ...may cause respiratory disease Ingestion None hazardous when ingested Carcinogenicity Glass filament is classified as IARC Group 3 Not classifiable as its carcinogenicity to humans FIRST AID MEASURES I...

Page 4: ...handling systems the information provided should only be used as a guide Please contact your Agent if any doubt CORRECT USE EvaPack humidifiers are ONLY intended for use with air handling systems or...

Page 5: ...eliminated with minerals from the water basin 2 through the draining connection 7 This configuration is recommended with high hardness supplied water to increase the pad life time or with reverse osmo...

Page 6: ...h cassette 6 is adjusted with a manual gate valve 4 Calibrated orifices deliver the water evenly over each media pad 6 C Dry air passes through a corrugated bank of wetted cells media 6 is cooled and...

Page 7: ...drop Air Front Velocity in m s Air Speed in m s Pressure loss in Pa Droplet separator pressure drop Pressure drop in Pa Droplet separator is Recommended when net air velocity 3 2 m s Necessary when ne...

Page 8: ...ar width not less than 150 mm and lighting of EvaPack humidifier chamber shall be provided No external light must enter through the housing of the lighting It must be possible to recognize the conditi...

Page 9: ...and maintenance Armstrong International recommends to always providing an area of minimum 500 mm rear and 500 mm front of the EvaPack humidifier min 500 mm min 500 mm According to the available servic...

Page 10: ...STANDARD DELIVERY N For Standard DW configuration 1 Water basin x1 7 Right Lateral door 9 Roof with assembled watering system x1 10 Evaporative pad cas settes 11 Pillars x4 12 Left lateral door 13 Wat...

Page 11: ...M4 Screw M4 without nut Place the pillars to the intended fixing points on the basin with the open part towards the outside of the EvaPack Place the basin on a solid and plane surface EvaPack stucture...

Page 12: ...M4 Vertically 1 x nut M4 for each welded threaded stud bolt Horizontally 1 screw nut M4 Install first the side door not used for cassettes extraction Vertically 1x screw M4 Horizontally 1 screw nut M...

Page 13: ...liding them Please make sure the watering area is in between top rails Introduce the droplet separator cassettes if supplied one at a time by sliding them Attach the union frames with M4 screws at the...

Page 14: ...For ancillary installation please review the corresponding chapter EvaPack final assembly with droplet separator option Access side door assembly Vertically 1 x screw M4 Horizontally 1 screw nut M4 x...

Page 15: ...for cassette Extraction Installation as described in page 9 Second side door assembly Extract the middle cassette support rails Extract the manifold support frames and the cassettes downstream top ra...

Page 16: ...one by one from the center and by sliding them towards the sides Be careful respect the correct insertion of the watering part into the cassette tops Reinstall the cassettes downstream top rail Instal...

Page 17: ...parators one by one from the center and by sliding them towards the sides Hexagonal screws M4 Hexagonal M6 nuts for the droplet separator top rail Hexagonal M4 screws for the manifold support frames I...

Page 18: ...ream and downstream to secure the two EvaPack assembly Be careful do not drill the upper water basin Flangeable unit for duct installation Flange the unit to the duct frame and screw it properly Do no...

Page 19: ...ply EvaPack air evaporative humidifier must operate within potable tap water specifications main sources Directive 98 83 CE and VDI 6022 requirements Organoleptic parameters Parameter Parametric value...

Page 20: ...s 1 0 10 g l Chromium 1 50 g l Selenium 1 10 g l Conductivity 1 3 1000 S cm at 20 C Silicate 150 mg l Copper 1 1 0 mg l Sodium 200 mg l Cyanide 1 50 g l Sulfate 250 mg l 1 2 dichloroethane 1 3 0 g l T...

Page 21: ...athogenic or ganisms bacteria parasites cysts Silver ions to avoid any internal microbiological growth 45 l min at 4 bar water pres sure Operative pressure between 1 and 9 bar Connections 1 FF Microfi...

Page 22: ...proportional inlet water control when using RO water only For RW system in order to eliminate possible microorganisms between the last water treatment point and the water inlet valve we recommend to i...

Page 23: ...needs we can supply different EvaPack headers NOTES For DW units the header should be connected to the inlet water system solenoid valve or ECV2 valve In order to comply with VDI 6022 hygienic requir...

Page 24: ...h switches off the pump in case of overheating and gives an alarm signal to the control panel The water level switches on the pump only when the minimum water level is reached The pump is off when the...

Page 25: ...pump against running dry High level water to switch off the filling High Level Low Level Reference High Level Low Level Reference For DW High water level switch option High Water Level Switch Option...

Page 26: ...hose connected is supplied loose to avoid any damage during shipment The other end of the hose must be connected to the basin draining pipe with a clamp Draining valve with manual draining option No...

Page 27: ...hon by negative pressure 2H H 2H H NOTES The drain valve has to be protected from impacts humidity and light The overflow piping outlet must be always free Water draining installation example with a w...

Page 28: ...or bacteria is allowed 3 Avoid water temperatures which favor the growth of Legionella no water temperature higher than 20 C this parameter can be monitored by our control panel and a water temperatur...

Page 29: ...ional When both temperatures are equal the EvaPack drying is completed To prevent salt deposits on EvaPack pad bleed off Water usually has a high percentage of minerals The evaporative mechanism leave...

Page 30: ...eH fH aH ppm as CaCO3 1 dH 1 1 253 1 79 1 04 17 8 1 eH 0 798 1 1 43 0 83 14 3 1 fH 0 559 0 702 1 0 58 10 1 aH 0 96 1 2 1 71 1 17 1 1 ppm as CaCO3 0 056 0 072 0 1 0 058 1 Useful conversions Regional u...

Page 31: ...5 2 7 3 1 135 155 7 7 3150 3900 0 24 25 77 2 09 142 178 355 445 2 2 7 1 8 9 355 445 2 6 3 2 3 6 160 180 7 8 3950 4950 0 25 180 224 450 560 2 3 9 0 11 2 450 560 2 7 3 7 4 2 185 210 7 9 5000 0 26 226 28...

Page 32: ...cm inlet conductivity S cm x COC optional but mandatory for the VDI 6022 compliance Draining valve set up Draining duration in s h Bleed off in l h 0 7 in l s Draining duration in s h Bleed off gallo...

Page 33: ...sin width mm Basin width inch Drain duration s Drain frequency cycle min Drain duration s Drain frequency cycle min Drain duration s Drain frequency cycle min Drain duration s Drain frequency cycle mi...

Page 34: ...dition Dismantle the droplet separators cassettes to clean them with detergent and disinfectant FRAME STRUCTURE Check the tightness of the frame clean the structure and the water basin with detergent...

Page 35: ...of cfus 1000 Cfu m Clean rinse and dry the tray disinfect test quality of sup ply water semi monthly Check watering manifolds for deposits Clean or replace watering manifolds X Check pump for contamin...

Page 36: ...distribution system for deposits Clean X Check watering manifolds Clean or replace watering manifold X Check drain Clean and repair X Determine total number of CFUs in humidifier water If number of C...

Page 37: ...replacement Cassette Side Extraction Pull the cassette Unscrew the cassette union Hexagonal screws M4 Vertically 1 x screw M4 Horizontally 1 screw nut M4 x6 Open the service side door the cassette ca...

Page 38: ...assettes and pad Pull the droplet separator Unscrew the cassette union Hexagonal screws M4 To install the new cleaned cassettes follow the disassembly instructions inversely Be careful and put the cas...

Page 39: ...nt Extraction for droplet separator cassettes and pad Remove the flexible hoses from the manifold and the header by unscrewing the hose clamps Disconnect the header from the pump by unscrewing the uni...

Page 40: ...anifold support frame Dismantle the droplet separator bottom rails and the droplet separator unions Extract the droplet separator carefully Hexagonal screws M4 Hexagonal screws M6 Hexagonal screws M4...

Page 41: ...1 Disassemble the watering distribution manifolds and the evaporative cassette top rails Extract the cassette evaporative pad carefully Hexagonal screws M4 We recommend at least 2 people for this step...

Page 42: ...rite the water pH must be maintained between 7 6 and 7 2 for maximal desinfection efficiency and action against algae Recommended free water chlorine dosage Continous treatment 0 1 4 0 mg l ppm In US...

Page 43: ...oss evaporative pad is damaged or clogged Check it and replace it if necessary watering manifold orifices may be clogged Clean the manifold if necessary check the pump operation make sure that the air...

Page 44: ...process from the air thus there is a reduction in air temperature and an increase in the actual water vapor content of the air Dry bulb temperature DBT Temperature of air measured by a thermometer fr...

Page 45: ...respect to any other claim relating to the products or to defects or any condition or use of the products supplied by Armstrong however caused and whether such claim is based upon warranty contract ne...

Page 46: ...46 Notes...

Page 47: ...47 Notes...

Page 48: ...Armstrong International North America Latin America India Europe Middle East Africa China Pacific Rim armstronginternational com IOM 542 V11 Printed in Europe 2020 07 2020 Armstrong International SA...

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