40-125 hp, fixed-speed oil-lubricated rotary, air-cooled, integrated dryer_tcm45-3526426

8/10/2019 40-125 Hp, Fixed-speed Oil-lubricated Rotary, Air-cooled, Integrated Dryer_tcm45-3526426

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Compressor SpecificationSingle-Stage, Air-Cooled, Integrated Dryer

Oil-Lubricated Rotary Screw

1. Scope

1.1. This seci!ication is !or a gear dri"en, oil-lubricated, single-stage air cooled rotary screw air co#ressor.The co#ressor shall be an Atlas Coco #odel $A%&'()& h*, $A%+'(& h*, $A)'(& h*, $A'(+ h*, $A+'(1&& h*, $A& (1/ h* or re-aro"ed e0ui"alent.

1./. The co#ressor shall deli"er ac!# at si in accordance with ISO 1/1+, Anne2 C. ac!# isactual cubic !eet er #inute at inlet conditions.

1.%. The units shall be #anu!actured in accordance with this seci!ication. The construction as described inthis seci!ication is considered essential and critical to the alication. The "endor shall state in his0uotation any and all e2cetions to the seci!ication.

2. General

/.1. The rotary screw air co#ressor shall be caable o! roducing and deli"ering 1&&3 o! the re0uired airde#and as seci!ied at standard oerating conditions.

/./. The co#ressor shall be designed and sulied as a co#lete ac4age with all necessary e0ui#ent,including but not li#ited to the !ollowing co#onents5 inlet !ilter, air co#ression ele#ent, dri"e #otor,a!tercooler with integral #oisture searator, oil cooler, cooling !an, #otor starter, integrated re!rigerateddryer, #icrorocessor regulation and control syste#. All co#onents shall be #ounted on a co##onsolid base !ra#e and !ully enclosed with a sound attenuating enclosure.

/.%. The co#ressor ac4age shall be rated to oerate in a#bient conditions !ro# %/67 to 1167.

/.). The units shall be #anu!actured by a 0uali!ied #anu!acturer who has been #anu!acturing airco#ressors !or at least ten (1&* years.

/.. The co#ressor #anu!acturer shall be certi!ied under ISO &&1 8 &&/ 0uality standards and ISO 1)&&1en"iron#ental standards.

/.. The #anu!acturer #ust articiate in the Co#ressed Air 9 $as Institute (CA$I* :er!or#ance;eri!ication rogra#.

3. Compressor Enclosure

%.1. The co#ressor shall be enclosed in a steel sound attenuating canoy with re#o"able anels.

%./. The sound attenuating #aterial shall be !la#e retardant olyurethane !oa#.

4. Noise Levels

).1. The co#ressor ac4age shall not e2ceed +) d


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6. Drive Motor

.1. The dri"e #otor #ust be a Totally =nclosed 7an Cooled (T=7C* tye.

./. The !ull-load e!!iciency rating #ust #eet or e2ceed >=?A re#iu# standards.

.%. The #otor shall con!or# with >=?A ?$ 1 !or &@ alications and I=C %)-1, =>&&%)-1 !or & @alications.

.). The inboard #otor bearing shall be lubricated by the co#ressor lubricant and the rear #otor bearingsshall be greased !or the li!e o! the #otor.

.. The co#lete #otor shall be 1&&3 #aintenance-!ree.

.. Aro"ed #anu!acturers include5A. Sie#ens


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.. The condenser shall ha"e alu#inu# !ins and coer tubes.

1(. Moisture Separator

1&.1. The co#ressor shall be e0uied with a labyrinth style #oisture searator integrated in the dischargeside o! the a!ter-cooler.

11. Electronic )ater Drain

11.1.The co#ressor will ha"e a ero loss electronic water drain lu#bed to the a!tercooler.

11./.These drains shall discharge no co#ressed air during re#o"al o! the condensate.

11.%.The ero loss drains shall be #onitored by the #icrorocessor controller.

11.).A #anual condensate drain shall also be included.

12. &nlet !ir *ilter

1/.1. The !ilter shall be a aer cartridge tye and be !actory installed inside the co#ressor enclosure.

1/./. The !ilter shall ha"e the !ollowing SA= !ine e!!iciency ratings51 #icron5 .&3/ #icrons5 .3% #icrons5 .3

1/.%. The !ilter shall be e0uied with a di!!erential ressure indicator !or #onitoring by the control syste#.

1/.). The ser"ice inter"al o! the !ilter #ust be at least ),&&& hours.

13. +il S$stem

1%.1. The oil syste# shall include an AS?= aro"ed air8oil searator with oil le"el indicator. The ser"iceinter"al o! the searator ele#ent #ust be at least ,&&& hours.

1%./. The oil !ilter shall be a sin-on tye with an integrated byass "al"e. The oil !ilter ele#ent will ha"e a1/ #icron beta + rating and the ser"ice inter"al #ust be at least ,&&& hours.

1%.%. The oil te#erature shall be regulated by #eans o! a ther#ostatic byass "al"e. Oil circulation isachie"ed through di!!erential ressure.

1%.). The oil #ust be synthetic and rated !or a change inter"al o! ,&&& hours.

1%.. The oil syste# #ust use o-rings to ro"ide a ositi"e seal. >o gas4ets can be used.

14. Electric Cu,icle

1).1. The control cubicle #ust be designed to >=?A %R or I: ) standards.

1)./. The cubicle #ust include a cooling !an and "ent to !orce a#bient air through the cubicle.

1).%. A wye-delta starter #ust be used to start the #ain dri"e #otor.


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15. -e"ulatin" an' Control S$stem

1.1. The co#ressor shall ha"e a regulating syste# which is o! the !ull load 8 no load design, controlled byan air co#ressor discharge ressure sensor which senses the ressure "ariations at the co#ressor

discharge and #aintains it within a re-set adEustable range.

1./. The !ull load 8 no load regulation shall be co#bined with a start 8 sto regulation to auto#atically stothe co#ressor as re0uired.

1.%. The co#ressor shall be e0uied with an onboard #icrorocessor controller which will control,#onitor and rotect the oeration and condition o! the air co#ressor.

1.). The controller shall ha"e a %.F color dislay.

1.. The controller shall allow rogra##ing o! two ressure bands !or loading and unloading.

1.. Ti#e based start 8 sto and changeo"er !or net ressure band shall be rogra##able.

1.+. The control algorith# shall include a !unction to roacti"ely sto the co#ressor during eriods o! lowde#and without ha"ing to wait !or the sto ti#er to ti#e out.

1.. The controller #ust be caable o! auto#atically restarting the co#ressor in the e"ent o! a "oltage!ailure.

1.. The controller #ust be caable o! grahing any o! the #easured te#erature or ressure inuts on thedislay. The ti#e !ra#e o! the grah shall be adEustable !ro# ) #inutes to 1& days.

1.1&. The co#ressor shall be able to be controlled locally, re#otely or "ia a local area networ4.

1.11. The controller #ust be e0uied with au2iliary contacts !or e2ternal indication o! auto#atic or #anualload control, general warning and general shutdown conditions.

1.1/. The controller #ust be caable o! ro"iding re#ote #onitoring by a :C through the local =thernetsyste# "ia an =thernet ort on the controller.

1.1%. The controller #ust be caable o! ro"iding re#ote #onitoring "ia a i:hone, i:ad, or Android hone ortablet.

1.1). The controller shall #onitor the hours o! oeration and outut a #essage on the dislay to noti!y theoerator to ro"ide re"entati"e #aintenance in accordance with the !actory aro"ed ser"ice lan.

1.1. The control syste# shall ha"e the caability to #onitor the !ollowing ite#s5

Discharge air ressure

=le#ent outlet te#erature

A#bient te#erature Co#ressor status

?otor o"erload status

Running hours

Loaded hours Regulator hours

1.1. Co#ressor rotecti"e !unctions shall include5

=#ergency sto

=le#ent outlet te#erature

Ser"ice warnings

Dri"e and cooling !an #otor o"erload


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16. Sipment an' Deliver$ /reparation

1.1. The co#ressor #ust be ac4aged on a wooden s4id and !ully enclosed with a wooden enclosure.

1. General &nstallation -e0uirements

1+.1. Gon lace#ent on a le"el sur!ace and connection to essential utilities, the unit shall be ro"ideda"ailable !or i##ediate oeration.

1+./. The co#ressor #ust not re0uire bolting to the !loor.

40-125 hp, fixed-speed oil-lubricated rotary, air-cooled, integrated dryer_tcm45-3526426

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