NELSEN NRO ROC2HE-UL System Controller Documentation Systems ine CPU-4 Kudzora Bhodhi Yekuraira Manual.
NELSEN NRO ROC2HE-UL System Controller Documentation Systems ine CPU-4 Control Board

Zvinotsanangurwa

Inputs

Tangi level switch: (2) Kazhinji-Yakavharwa. Inogona kushandiswa ne single level switch.
Inlet pressure switch: Kazhinji-Vhura.
Pretreat Lockout switch: Kazhinji-Vhura.
Iyo Tangi, Yakaderera Kudzvanya uye Pretreat zvinopinza ndeye 50% duty cycle square wave, 10VDC peak @ 10mA max.
The switch inputs are dry contacts chete. Kushandisa voltage kune aya materminal achakuvadza mutongi.
Controller Power: 110-120/208-240 VAC, 60/50Hz (Range: 110-240 VAC)
Permeate Conductivity: 0-3000 PPM, 0-6000 μs (standard sensor, CP-1, K=.75)
Feed Conductivity: (kusarudza) 0-3000 PPM, 0-6000 μs (standard sensor, CP-1, K=.75)

Output Circuit Ratings 

Feed Solenoid: 1A. Voltage yakafanana nemota/supply voltage.
Flush Solenoid: 1A. Voltage yakafanana nemota/supply voltage.
Motokari: 1.0 HP/110-120V, 2.0 HP/208-240V.

Circuit Protection 

Relay Fuse: F1 5x20mm - 2 Amp – BelFuse 5ST 2-R
Cherechedza: Mafuse anoratidzwa pamusoro apa ndeekudzivirira kwekuwedzera chete. Kudzivirirwa kwedunhu rebazi uye nzira dzekubvisa dzinofanirwa kupihwa kunze.
Ona Munda Wiring Dhiyagiramu yeDziviriro yeBazi Circuit.

Zvimwe

Zviyero: 7 ″ kureba, 7 ″ yakafara, 4 ″ kudzika. Nema 4X Polycarbonate Hinged Enclosure.
Kurema: 2.6 lb.
Zvakatipoteredza: 0-50°C, 10-90%RH (isina-condensing)
Cherechedza: Mushure mekugadzirisa kwedu chiyero chekuvharirwa iNema 1.

Simplified Schematic

Simplified Schematic

Controller Overview

Controller Overview

Mutongi Detail: CPU-4

Controller Detail

Typical Configuration'

Chairo Kugadziriswa

Controller Detail: Terminal Board, TB-1 (Ona Fig. 1 yechirongwa)

Controller Detail

Conductivity Probe Installation

Conductivity Probe Installation

Isa iyo Conductivity Probe mu "Run" yeTee kana yakaenzana nzvimbo. Rongedza probe kuitira kuti mweya usabatike munzvimbo iri pedyo neprobe.

Installation

  1. Dhiraivha iyo yakavharirwa sezvinodiwa uye isa liquidtight fittings kune wiring.
    Yambiro Icons CHERECHEDZA: Iyo Controller inogona kuodha isati yadhirowa kana ine mafittings akaiswa, kana ane mafittings uye wiring yakaiswa. Bata Nelsen Corporation kuti uwane ruzivo.
  2. Isa iyo yakavharirwa munzvimbo yaunoda pane RO system.
  3. Uya newaya kubva kumidziyo yeperipheral mukati meiyo yakavharwa uye uibatanidze kune akakodzera materminal. (Ona Mufananidzo 1, Mufananidzo 3 uye Mufananidzo 4.)
  4. Isa iyo conductivity cell mumutsetse wepermeate. (Ona Mufananidzo 5 wemirairo yekuisa masero e conductivity.)
  5. Batanidza sero conductivity kumaterminals paCPU Board. (Ona Mufananidzo 3)
  6. Ipa simba kuRO system.
  7. Dzvanya iyo System On / Off switch kuti ubatidze system yacho.
  8. Chirongwa cheChikamu 2 chinogara chiripo (Ona Tafura 2) inova chinangwa chese, pasina vharafu.
    Yambiro Icons CHERECHEDZA: Iyo Zvirongwa Zvirongwa zvinogona kuva
    customized kuti ienderane nezvinodiwa chaizvo zveOEM uye pre-yakarongwa pafekitori nemaseting ako. Bata Nelsen Corporation kuti uwane ruzivo.
  9. Ita chero imwe shanduko yaunoda kune marongero. Dzvanya System On/Off kuchengetedza shanduko dzako.
  10. Iyo controller ikozvino yagadzirira sevhisi.
    Yambiro Icons CHERECHEDZA: UNOFANIRA KUBVISA JUMPER
    WAYA KUBVA E23 KUSVIKIRA E24 kana ukashandisa imwe poindi Yepamusoro Level RO mvura vhara kuyangarara chinja kudzora uye batanidza waya inoyangarara chinja kune zviteshi E23 uye E24 (Ona Fig. 4).
    Kana uri kushandisa piggyback float plug siya jumper wire panzvimbo.

Controller Programming: Kuwana Akavanzika Menus

Controller Programming

System Kutanga-up w/Permeate Flush

Kune masisitimu akashongedzerwa nePermeate Flush, unofanirwa kutevedzera maitiro ari pazasi ekutanga system yekutanga. Kana pasina Permeate Mvura mutangi RO haitangi.

  1. Nehurongwa huripo, Dzvanya uye Bata kumusoro uye pasi Miseve
  2. NeKumusoro neKuzasi Miseve yakaora moyo, Dzvanya iyo System On/Off bhatani. Izvi zvichachinja kune Akavanzika Menus sezvaratidzwa pamusoro.
  3. Kana isati yatove paRO Presets Chirongwa, Dzvanya iyo Kumusoro kana Kudzika Miseve kudzamara wasvika ichi skrini.
  4. Kamwe pane RO Presets Chirongwa Chidzitiro, Dzvanya Manual kurongedza iyi Screen.
  5. Dzvanya Museve Wekumusoro kana Pasi kuti uchinje kuChirongwa 2
  6. Kamwe paChirongwa 2, Dzvanya Manual kuti Ubude pachiratidziro.
    System Kutanga-up
  7. Dzvanya System On/Off kuchengetedza shanduko uye dzokera kuPeji Yemba.

Kana Permeate Tangi yako yazadza zvakakwana kuti uite yakaringana permeate flush, tevera matanho zvakare kuchinja kubva kuChirongwa 2 kudzokera kuChirongwa 3.

Tafura 2 - Controller Programming: ROC2HE Chirongwa Sarudzo

Iyo controller ine 4 yakaparadzana, mushandisi-inosarudzwa maseti ekugadzirisa iyo RO. Magadzirirwo efekitori anoratidzwa pazasi. Zvirongwa zvakafanana kunze kwekusiyana kwemaitiro eku flush.

  • Chirongwa 1, High Pressure flush
  • Chirongwa 2, Hapana Flush
  • Chirongwa 3, Permeate Flush, (yakaderera kudzvinyirira, inlet valve yakavharwa)
  • Chirongwa 4, Low Pressure, feed water flush

Ona peji yapfuura kuti uwane mirayiridzo yekuti ungawana sei menyu yekusarudza zvirongwa izvi.
Ona Appendikisi A kuti uwane tsananguro yakadzama yeParameters uye zvazvinoita pamashandiro eRO.

Parameter Value Chirongwa 1 Chirongwa 2 Chirongwa 3 Chirongwa 4
Tank Level Switch kunonoka (actuation uye de-actuation) Sekondi 2 2 2 2
Pressure Switch kunonoka (actuation uye de-actuation) Sekondi 2 2 2 2
Pretreat Switch kunonoka (actuation uye de-actuation) Sekondi 2 2 2 2
Kunonoka kutanga kwepombi Sekondi 10 10 10 10
Inlet Solenid mira kunonoka Sekondi 1 1 1 1
Pombi tanga kuyedza nguva (kutangazve kunonoka mushure meLP kukanganisa) Sekondi 60 60 60 60
Yakaderera kumanikidza kukanganisa kuvhara, # yezvikanganiso Kukanganisa 5 5 5 5
Low pressure fault shutdown, nguva yekuverenga zvikanganiso Maminitsi 10 10 10 10
Low pressure fault shutdown, reset after shutdown Maminitsi 60 60 60 60
Low pressure nguva kunze kukanganisa Sekondi 60 60 60 60
Flush Behaviour   High Pressure Hapana Flush Perm Flush Low Pres Flush
Kutanga Flush: Maminitsi kubva pakupera kwekupedzisira Maminitsi 0 0 0 0
Kutanga Flush: Duration Sekondi 0 0 0 30
Periodic Flush: Interval Maminitsi 60 0 0 0
Periodic Flush: Duration Sekondi 30 0 0 0
Shutdown Flush: Nguva kubva pakupera kwekupedzisira Maminitsi 10 0 0 0
Shutdown Flush: Minumum operation Maminitsi 30 0 0 0
Shutdown Flush: Duration Sekondi 60 0 60 60
Idle Flush: Nguva * Maminitsi 0 0 0 0
Idle Flush: Nguva * Sekondi 0 0 0 0
Timed Manual Run Maminitsi 5 5 5 5
Timed Manual Flush Sekondi 5 0 5 5

Aya maficha akavharwa nekusagadzika nekuda kwekugona kwekuvhiringidzika kune chikamu chevashandisi vekupedzisira mumunda.
Dzinogona kugoneswa kana dzichidikanwa kuburikidza neOEM PC programming interface iyo inobvumira shanduko kune ese emhando dzakaratidzwa pamusoro.

Controller Programming: Menu Navigation

Controller Programming

Izvi zvishoma view yemamenu emukati. Zvimwe zvinogadziriswa zvinhu zvinosanganisira

Mutauro, Alarm Inonzwika (ON/OFF), WQ Kurasika kweSiginari kuseta, Hardware & Firmware Version nezvimwe.

Controller Fault Condition Inoratidza

Pazasi pane exampzvinyorwa uye tsananguro dzezviratidziro zvinoperekedza mamiriro ekukanganisa anogoneka paCPU-4. Mamiriro emhosva anogara achiratidza dambudziko reimwe mhando inoda kugadzirisa. zviratidzo zvinopa ruzivo rwakakwana kuti uzive kwakabva kukanganisa uye chiito chinodiwa chekugadzirisa.

Low Pressure Fault: (Sitimu iri kupindura kune yakaderera kudzvanywa mamiriro pane masisitimu ehurongwa)
Mutsara 1 "Kukanganisa Kwebasa"
Mutsara 2 "Low Feed Pressure"
Mutsara wechi3
Mutsara wechina "Tangazve muMM: SS"

Pre Kurapa Mhosva: (Pretreat Switch yakavharwa ichiratidza dambudziko ne pretreat system).
Mutsara 1 "Kukanganisa Kwebasa"
Mutsara 2 "Pretreat"
Mutsara wechi3
Mutsara wechina "Tarisa Pretreat Sys."

Permeate Conductivity Fault: (Permeate conductivity yakakwirira kupfuura alarm set-point.)
Mutsara 1 "Kukanganisa Kwebasa"
Mutsara wechipiri "Permeate TDS xxx ppm" kana "Permeate Cond xxx uS"
Mutsara wechitatu “Alarm SP xxx ppm” kana “Alarm SP xxx uS”
Mutsara wechina "Kuti Reset Push Off/ON"

Feed Conductivity Fault: (Feed conductivity yakakwirira kupfuura alarm set-point.)
Mutsara 1 "Kukanganisa Kwebasa"
Mutsara 2 “Feed TDS xxx ppm” kana “Feed Cond xxx uS”
Mutsara wechitatu “Alarm SP xxx ppm” kana “Alarm SP xxx uS”
Mutsara wechina "Kuti Reset Push Off/ON"

Conductivity Probe Error messages:
Mutsara 2 "Interference" - Ruzha rwakaonekwa ne conductivity wedunhu, kuyerwa kwakakodzera hakugoneke.
Mutsara 2 "Kupfuura-renji" - kuyerwa kuri kunze kweiyo dunhu, probe inogona zvakare kupfupikiswa.
Mutsara 2 "Probe ipfupi" - Ipfupi seketi yakaonekwa pane tembiricha sensor mu probe
Mutsetse 2 "Probe haina kuonekwa" - Vhura dunhu rinoonekwa pane tembiricha sensor mu probe (chena & isina kuvharwa waya)
Mutsara 2 "Probe Kutanga 1" - Internal reference voltage yakanyanyisa kuyera kuyerwa kwakanaka
Mutsara 2 "Probe Kutanga 2" - Internal reference voltage yakaderera zvakanyanya kuita kuyerwa kwakakodzera
Mutsara 2 "Probe Kutanga 3" - Internal excitation voltage yakanyanyisa kuyera kuyerwa kwakanaka
Mutsara 2 "Probe Kutanga 4" - Internal excitation voltage yakaderera zvakanyanya kuita kuyerwa kwakakodzera

Kana RO Isingashande uye Inoratidza Inoratidza "Tangi Yakazara" kana "Tangi Yakazara Dhirowa Pasi" 

  1. Kana ukashandisa imwe poindi yakakwira level float switch, iyo jumper mumirayiridzo yewaya inofanira kuiswa. Izvi zvinoda kutariswa kuti ive nechokwadi kuti haina kusununguka uye kana kubviswa, izvo zvingakonzeresa kutadza uye imwe yezviratidziro zviri pamusoro. ie. Bvisa jumper uye reinstall, kuve nechokwadi chekubatana kwakanaka. Ongorora zvakare kuratidza uye kushanda.
  2. Tarisa switch mutangi kuti uone kuti iri kushanda nemazvo. Tarisa switch ine ma-multi-metres kuti uite "on-off" kushanda. Tsiva switch kana level control kana yakanganisa.
  3. Kana mumwe munhu akabatanidza 110v kune terminal strip yekubatanidza kune yakakwira level yakavharwa, vangadai vakagocha "opto-isolator".
  4. Zvakare, kana paine kurova kukuru kwemheni uye simba outagNekuvhiya, zvinogoneka kuti ungave uine simba rekuvhiya iro rakatumira magetsi kune yakaoma macontacts uye pamwe yakakangwa iyo "opto-isolator".
    Izvi zvinodzivirira sisitimu kuti isabatike, uye chiratidziro chicharatidza Tank Yakazara mameseji.
  5. Kana iyo jumper ikasimbiswa kuti iri panzvimbo ine zvakanaka zvinongedzo, uye kana iyo yakakwira yakachekwa switch mutangi rekuchengetera ikasimbiswa kuti inoshanda, saka bhodhi rinogona kuchinjwa nekuda kwenhamba 3 kana 4.

Appendix C - Controller Limited Warranty

Nelsen Corporation (“Nelsen”) inopa iyi waranti ine zvishoma sezvakatsanangurwa pazasi (iyo “Limited Warranty”).

Yakakwana Warranty 

Zvichienderana nezvirevo zveiyi Yakaganhurirwa Warranty, Nelsen anotendera kune mutengi wekutanga ("Mutengi") weichi chigadzirwa cheMvura Conditioner ("Chigadzirwa") kubva kumutengesi ane mvumo yeNelsen chete kuti Chigadzirwa chacho hachizove chisina kukanganiswa muzvinhu kana kugadzirwa. nguva yegore rimwe (1) mushure mezuva rekutanga kuiswa. Ichi Chishoma Rurandidzo chinozoshanda chete kana Chigadzirwa chacho chakaiswa, chikashandiswa uye chichichengetwa zvinoenderana nekwaNelsen kana gwara remugadziri nezvimwe zvinodiwa pamutemo. Chigadzirwa chinotengeswa nenzwisiso yekuti Mutengi akazvimiririra akatara kukodzera uye kuenderana kweChigadzirwa chakadaro kune zvinangwa zveMutengi. Chero zvitauro, ruzivo rwehunyanzvi kana kurudziro maererano neChigadzirwa kana chero chikamu chirimo naNelsen zvinoenderana nedata rakapihwa Nelsen nevanotengesa uye rinotendwa kuti rakarurama, asi hazviumbe vimbiso kana waranti. Iyi Yakaganhurirwa Warranty haizovharidzire uye ichave isina uye isina kana, mukufunga kwaNelsen, Chigadzirwa, kana chero chikamu chirimo, chiri: (a) chakagadzirwa nemumwe mugadziri webato; (b) yakagadziridzwa mushure mekutengesa kana kushandiswa kwezvikamu zvekutsiva zvisina kutaurwa nezvinodiwa nemugadziri; (c) kuiswa, kuchengetwa, kushandiswa, kushandiswa, kubatwa kana kuchengetwa zvisina kufanira; kana (d) kushungurudzwa, kushandiswa zvisizvo kana kukuvadzwa chero chikonzero, kusanganisira nekuda kwekusava nehanya, mamiriro ekunze, moto, mheni, mafungu emagetsi kana zvimwe zviito zvaMwari kana kusangana nechando kana mvura inopisa kana mhedzisiro yekupfeka kwakajairika.

Third Party Waranti 

Pachinzvimbo cheWaranti Yakatemerwa iri pamusoro, Chigadzirwa, kana chero zvikamu zvirimo, zvinogona kufukidzwa newaranti yemugadziri wechitatu. Mutengesi ane mvumo waNelsen achapa Mutengi kopi yechero yechitatu-bato rekugadzira waranti usati watenga. Nelsen achaendesa nekupa kune Mutengi chero uye wechitatu-bato remugadziri waranti paChigadzirwa, kana chero zvikamu zvirimo, zvichienderana nemamiriro uye kusabatanidzwa muwaranti yemugadziri. Mutengi wakasarudzika mushonga pasi pewaranti yemugadziri wechitatu-bato ichapesana nemugadziri webato rechitatu kwete Nelsen. Mutengi angangoda kunyoresa Chigadzirwa kune mumwe mugadziri webato kuti awane waranti yacho.

Mamiriro Okuwedzera 

Zvese zvikumbiro zviri pasi peiyi Yakaganhurirwa Warranty zvichaendeswa neMutengi kune ane mvumo mutengesi weNelsen akatengesa Chigadzirwa nekunyora uye achasanganisira zita reMutengi, kero, nhamba dzerunhare, zuva rekutengwa kweChigadzirwa, risiti inopupurira kutengwa uye kopi yeiyi Yakaganhurirwa Warranty. Nelsen kana mutengesi wake ane mvumo achaferefeta chikumbiro. Mutengi anofanira kubatirana zvizere mukuferefeta uye kuongorora chikumbiro, kusanganisira, pasina muganho, kupa rumwe ruzivo pakukumbira. KUTI UKODZERE KUBATSIRWA PASI IYI WARRANTY INODZWA, MUTENGO ANOFANIRA KUBVISA CHIKUPIRWA MAZVA MAZVA MAKUMI MAKUMI MATATU (60) PAZUVA ROKUTI CHINHU CHINONZI CHINOGONA CHINHU KANA KUTI CHIKAMU CHINOTANGA KUWANIKWA NEMUTENGI UYE, PASINA CHIITIKO, PASHURE PEMAZUVA MATANHU (60)

Kugadzirisa kana Kutsiva / Chikwereti 

Zvichienderana nemamiriro nemiganhu iri pano, kana Nelsen akaona kuti Chigadzirwa, kana chero chikamu chirimo, hachienderane neWaranti Yakaganhurirwa iyi, Nelsen achagadzirisa kana kutsiva Chigadzirwa chakaremara kana chikamu chirimo. Zvigadzirwa zvisina kuenderana kana zvikamu zvirimo zvinofanirwa kudzorerwa kumutengesi ane mvumo waNelsen nemubhadharo weMutengi. Zvese zvakatsiviwa Zvigadzirwa, kana chero zvikamu zvirimo, zvichachengetwa nekuva pfuma yaNelsen. Kana Nelsen akaona kuti kugadziriswa kana kutsiviwa kweChigadzirwa kana chikamu chirimo hachigoneki kutengeswa, Nelsen anozopa mutengi chikwereti chemari isingadarike mutengo wekutenga Chigadzirwa. Zvisinei nechero chinhu chinopesana nezviri pano, iyi Warranty Yakaganhurirwa haibhadhare chero mutengo kana basa rine chekuita nekubviswa kana kuisirwazve kweChigadzirwa chinotsiviwa kana chikamu chirimo kana chero mutengo wekutumira une chekuita neChigadzirwa chakadzoserwa kana chikamu chirimo, chinosara chiri icho chete mutengo. , njodzi uye mutoro weMutengi, kunze kwekunge kwakabvumiranwa neimwe nzira nekunyora naNelsen.

Kukodzera/Kusachinjika 

Iyi Yakaganhurirwa Warranty inoshanda kuMutengi chete kana Chigadzirwa chakatengwa kubva kumutengesi ane mvumo yeNelsen. Iyi Yakaganhurirwa Warranty ndeyemunhu kune Mutengi uye inogona kusapihwa kana neimwe nzira kutamiswa neMutengi. Chero kuedza kuendesa iyi Yakaganhurirwa Warranty ichave isina uye isina uye isingazivikanwe naNelsen.

Disclaimer yeZvimwe Warranti / Muganho paChikwereti 

KUNZE SEZVINOTAURWA PAMUSORO UYE KUKUKABVUMWA NEMURAIRO, HAPANA ZVIMWE ZVINOmiririrwa KANA KUTI MWARATIDZO NEruremekedzo kune CHIgadzirwa, ZVINOTAURWA KANA ZVINOTAURWA, ZVINONYORWA KANA NEMUSORO, KANA KUBUDZWA PASI PAMAKARIKA YOKUTANGA, ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINOTAURWA KANA KUTI ZVINOREVA KUTENGESA UYE KUKAKODZERA KUNE CHINANGWA CHAMWE. HAPANA ZVINOMIRIRA KANA KUTI ZVIRATIDZO PANE NGUVA ZVINOITWA NEMUBANDI UPI NEUPI, MUJENDE KANA MUmiririri WENELSEN ZVICHAITA KUBVA KUKASINANA KANA KUKWERERA CHERO CHEWARARANTI YANYORA KANA MITEMO ANO. KUSVIRA KUSVIRWA KUREVA CHEWARRANTI ZVINHU ZVINOGONESWA NEMUTEMO, ZVIPI ZVINOITWA WARRANTI ZVICHANGOGWARWA PANGUVA YEKUNYORA WARANTI INOPIWA NELSEN. HAPANA CHIITIKO CHICHAITWA NELSEN KUTI NEMUTENGI KANA KUNHU CHECHITATU HWECHITATU NEZVINHU ZVINHU ZVINOTEVERA, ZVAKAITIKA, ZVAKASIYANA KANA KURANGWA, KANA KURASIKA KANA KURASIKA KWEKUSHANDISA, KUBVA KUBVA KANA NEIMWE NZIRA INE ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU , SHANDISA, KANA KUSAKWANISA KUSHANDISA ZVIMWE ZVIMWE, ZVINO ZVINO ZVINO ZVIKANGANISWA ZVAKAITWA ZVINOITWA PASI NECONTRACT, TORT KANA PIMWE DZIMWE dzidziso yezvemutemo. CHIKWERERO CHANELSEN CHESE PASI ICHI KANA CHIMWE CHEWA WARANTY, ZVINOTAURWA KANA ZVINOTAURWA, ZVINONGODZWA KUGADZIRIRA KANA KUCHINJWA, KANA KUTI CHIREREDI CHINHU KANA CHIKAMU CHETE, SEKUTAURWA APA.

Kuregererwa kweKirasi Chiito 

CHESE UYE CHESE ZVINOITWA ZVINOITWA NEMUTENGI KANA MUMWE MUNHU KANA KUTI CHINHU ZVICHASIMURWA MUMWE MUNHU ZVINO ZVINOITWA ZVINO ZVINOITWA APO.

Mutemo Unoshanda 

Iyi Yakaganhurirwa Warranty ichadudzirwa uye kudzorwa pasi pemitemo yeNyika yeOhio pasina kupa simba kusarudzo yemitemo yemitemo yayo. Nelsen naMutengi vanobvuma zvisingachinjiki uye vanozviisa pasi pehutongi uye nzvimbo mukati mematare eSummit County, Ohio uye/kana United States District Court yeNorthern District yeOhio zvine chekuita nemhosva ipi zvayo inobva, kana neimwe nzira ine chekuita ne , iyi Yakaganhurirwa Warranty kana Chigadzirwa, kusanganisira, asi zvisingaganhurirwe kune, chero uye zvese zvichemo zvekutyora waranti kana zvigadzirwa, uye Nelsen neMutengi vanosiya pachena kupokana kupi zvako kune hutongi uye/kana nzvimbo yematare akadaro.

Zvinyorwa / Zvishandiso

NELSEN NRO ROC2HE-UL System Controller Documentation Systems ine CPU-4 Control Board [pdf] Bhuku reMirayiridzo
NRO ROC2HE-UL System Controller Documentation Systems neCPU-4 Control Board, NRO ROC2HE-UL, System Controller Documentation Systems ine CPU-4 Control Board.

References

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