Danfoss DGS Functional Tests uye Calibration Procedure

Nhanganyaya

Iyo DGS sensor inogadziriswa pafekitari. Chitupa chekuenzanisa chinounzwa ne sensor. Mushure mekuisa zero calibration uye recalibration (kuwana calibration) inofanira kuitwa chete kana sensor yanga ichishanda kwenguva yakareba kupfuura nguva yekuenzanisa kana yanga iri muchitoro kwenguva yakareba kupfuura nguva yekuchengetedza yakafumurwa patafura iri pazasi:

Product	Calibration interval	Storage nguva
Spare sensor DGS-IR CO2	60 mwedzi	approx. 6 mwedzi
Spare sensor DGS-SC	12 mwedzi	approx. 12 mwedzi
Spare sensor DGS-PE Propane	6 mwedzi	approx. 6 mwedzi

Yambiro:

• Tarisa mirau yemunharaunda pane calibration kana kuyedza zvinodiwa.
• Iyo DGS ine zvinhu zvemagetsi zvinonzwisisika zvinogona kukuvara nyore. Usabate kana kukanganisa chero chezvikamu izvi chivharo chichibviswa uye kana uchichitsiva.

Zvakakosha:

• Kana iyo DGS ikasangana nekuvuza kukuru inofanirwa kuyedzwa kuti ive nechokwadi chekushanda nekugadzirisa zero seti uye kuita bump test. Ona maitiro pasi apa.
• Kuti uenderane nezvinodiwa zve EN378 uye European F-GAS regulation, masensa anofanirwa kuedzwa kanokwana pagore.
  Zvakadaro, kuwanda uye hunhu hwekuyedzwa kana kuenzanisa kunogona kutariswa nemutemo wenzvimbo kana zviyero.
• Kutadza kuyedza kana kuenzanisa yuniti zvinoenderana nemirairo inoshanda uye nemirayiridzo yeindasitiri inogona kukonzera kukuvara kwakanyanya kana kufa. Mugadziri haana mhosva yekurasikirwa, kukuvara, kana kukuvara kunobva mukuyedzwa kusiri iko, kuenzanisa kwakashata, kana kushandiswa zvisina kufanira kweyuniti.
• Usati waedza ma sensors onsite, iyo DGS inofanirwa kunge yakasimudzwa uye kubvumidzwa kudzikama.
• Kuyedzwa uye/kana kuenzanisa kweyuniti kunofanirwa kuitwa nenyanzvi inokwanisa, uye inofanira kuitwa:
• maererano negwaro iri.
• maererano nemitemo nemitemo inoshanda munharaunda.

Recalibration uye chikamu chinotsiviwa mumunda chinogona kuitwa nenyanzvi ane hunyanzvi ane maturusi akakodzera. Neimwe nzira, iyo iri nyore kubviswa sensor element inogona kutsiviwa.

Pane pfungwa mbiri dzinoda kusiyanisa:

• bump test kana functional test
• calibration kana re-calibration (kuwana calibration)

Bump test:

• Kuratidzira sensor kune gasi uye nekucherechedza mhinduro yayo kune gasi.
• Chinangwa ndechekuona kana sensor iri kuita kune gasi uye kana zvese zvinobuda sensor zviri kushanda nemazvo.
• Kune mhando mbiri dzebump test
• Quantified: kushandisa huwandu hunozivikanwa hwegasi
• Non-quantified: kushandisa huwandu husingazivikanwi hwegasi

Calibration:
Kufumura sensor kune gasi rekugadzirisa, kuseta iyo "zero" kana yekumira voltage kune span/renji, uye kutarisa/kugadzirisa zvese zvabuda, kuve nechokwadi kuti zvinobatiswa pane yakatarwa gasi.

Kuchenjerera (usati waita bvunzo kana calibration)

• Rayirai vagari vemo, vashandi vezvirimwa, uye vatariri.
• Tarisa kana DGS yakabatana nekunze masisitimu akadai seanosprinkler masisitimu, kuvharwa kwechirimwa, siren dzekunze nemabhekoni, kufefetedza, nezvimwewo, uye kudzima sekurairwa nemutengi.

Bump test

• Kune bump, kuyedza kunoburitsa ma sensors ekuyedza gasi (R134A, CO2, nezvimwewo). Iyo gasi inofanira kuisa system mu alarm.
• Chinangwa cheiyi cheki ndechekusimbisa kuti gasi rinogona kusvika kune sensor(s) uye kuti maalarm ese aripo anoshanda.
• Kune mabumps, bvunzo dzinogona kushandiswa Gasi Cylinders kana Gasi Ampoules (ona Fig. 1 uye 2).

Mufananidzo 1: Silinda yegesi uye bvunzo hardware

Mufananidzo 2: Gasi ampoules yekuongorora bump

Zvakakosha: Mushure mekunge semiconductor sensor yaratidzwa kune yakakura gasi kuvuza, iyo sensor inofanirwa kuve zero calibrated uye bump inoedzwa uye kuchinjwa kana zvichidikanwa.
Cherechedza: Nokuti kutakurwa kwegasi ampoules nemasilinda gasi inodzorwa nehurumende zhinji pasi rese, inokurudzirwa kuti iwanikwe kubva kune vatengesi venzvimbo.

Matanho ekuyedza bump uchishandisa calibration gasi masilinda

1. Bvisa chivharo chekuvharira chegasi detector (kwete munzvimbo yekupedza).
2. Batanidza chishandiso chesevhisi chinobata ruoko uye tarisa mhinduro.
3. Ratidza sensor kune gasi kubva muhumburumbira. Shandisa hose yepurasitiki / hood kutungamira gasi kumusoro we sensor. Kana iyo sensor inoratidza kuverenga mukupindura gasi uye detector inopinda mualarm, saka chiridzwa ichocho chakanaka kuenda.

Cherechedza: Gasi ampmaoules haakodzeri kuenzanisa kana kunyatso cheki kwe sensor. Izvi zvinoda chaiyo gasi calibration, kwete bump yekuyedza nayo ampoules.

Calibration

Zvishandiso zvinodikanwa zvekugadzirisa

• Ruoko rwakabata Service-Tool 080Z2820
• Calibration inoumbwa ne2 mashandiro: zero uye kuwana calibration
• Zero calibration: Yedza gasi bhodhoro rine mhepo yekugadzira (21% O2. 79% N) kana yakachena ambient mhepo.
• Zero calibration yecarbon dioxide / oxygen: Yedza gasi silinda ine pure nitrogen 5.0
• Wana calibration: Yedza gasi bhodhoro rine bvunzo gasi mumhando 30 - 90 % yeyeyero renji. Imwe yasara imhepo yekugadzira.
• Wana calibration ye semiconductor sensors: Iyo yekumisikidzwa kweyeyedzo gasi inofanirwa kunge iri 50% yeyeyero renji. Imwe yasara imhepo yekugadzira.
• Seti yekubvisa inosanganisira gasi pressure regulator uye inoyerera controller
• Calibration adapta ine chubhu: kodhi 148H6232.

Cherekedza nezve bhodhoro regesi rekuyedza rekugadzirisa (ona mufananidzo 1): nekuda kwekutakurwa kwegasi ampoules nemasilinda gasi inodzorwa nehurumende zhinji pasi rese, inokurudzirwa kuti iwanikwe kubva kune vatengesi venzvimbo. Usati waita calibration, batanidza Handheld Service Tool 080Z2820 kumudziyo weDGS.

Pamberi pekugadzirisa, masensa anofanirwa kupihwa nemagetsi voltage pasina kukanganisa kwekumhanya-mukati nekudzikamisa.
Iyo yekumhanya-munguva inotsamira pane sensor element uye inoratidzwa mumatafura anotevera, pamwe nerumwe ruzivo rwakakosha:

Sensor Element	Gasi	Run-in nguva kuenzanisa (h)	Dziisa nguva (s)	Mwero wekuyerera (ml/min)	Gasi application nguva (s)
Infrared	Carbon dioxine	1	30	150	180
Semiconductor	HFC	24	300	150	180
Pellistore	Inopisa	24	300	150	120

Calibration matanho

Kutanga pinda muSevhisi Mode

1. Dzvanya Enter kuti upinde mumenyu uye wodzvanya museve wepasi kusvika iyo Kuisa & Calibration menyu
2. Dzvanya Enter uye Service Mode OFF inoratidzwa
3. Dzvanya Enter, isa password ****, dzvanya Enter uye pasi museve kuti uchinje chimiro kubva OFF kuenda ON wobva wadzvanya Enter zvakare.
   Kana iyo unit iri muSevhisi Modhi chiratidziro cheyero LED iri kupenya.

Kubva paKuisa & Sevhisi menyu, nekushandisa pasi museve mupumburu kusvika iyo Calibration menyu uye tinya Enter.
Mhando yegesi sensor inoratidzwa. Nekushandisa Enter uye kumusoro / pasi museve makiyi seta iyo calibration gasi kusungwa muppm:

• ye CO2 sensor, sarudza 10000 ppm inoenderana ne50% ye sensor yekuyera renji.
• yeHFC sensor, sarudza 1000 ppm inoenderana ne50% ye sensor yekuyera renji.
• ye PE sensor, sarudza 250 ppm inoenderana ne50% ye sensor yekuyera renji.

Zero calibration

• Sarudza iyo Zero calibration menyu.
• Kana iri CO2 sensor, iyo Zero Calibration inofanirwa kuurayiwa nekufumura sensor kune yakachena Nitrogen, iyo yakafanana gasi kuyerera.
• Usati waita zero calibration nguva dzakatarwa dzekudziya dzinofanirwa kunyatsocherechedzwa usati watanga maitiro.
• Batanidza iyo calibration gasi silinda kune iyo sensor musoro uchishandisa calibration adapta 148H6232. Mufananidzo 3

Vhura iyo calibration gasi cylinder flow regulator. Panguva yekuverenga underscore mumutsara wechipiri, inomhanya kubva kuruboshwe kuenda kurudyi uye kukosha kwazvino kunodonha kusvika zero. Kana kukosha kwazvino kwagadzikana dzvanya Enter kuti uchengetedze kuverenga kwehutsva hutsva. "SEVISA" inoratidzwa, chero bedzi basa racho richiitwa. Mushure mekunge kukosha kwave kuchengetwa zvinobudirira, sikweya inoonekwa kurudyi kwenguva pfupi = zero point calibration yapera uye zero nyowani offset yakachengetwa nekubudirira. Chiratidziro chinoenda otomatiki kune kuratidzwa kweiyo kukosha kwazvino.

Munguva yekuverenga, mameseji anotevera anogona kuitika:

Mharidzo	Tsanangudzo
Ikozvino kukosha kwakanyanya	Gasi rakashata rezero point calibration kana sensor element yakaremara. Tsiva musoro we sensor.
Ikozvino kukosha kudiki zvakanyanya	Gasi rakashata rezero point calibration kana sensor element yakaremara. Tsiva musoro we sensor
Ikozvino kukosha haina kugadzikana	Inotaridzika kana iyo sensor chiratidzo isingasviki zero point mukati menguva yakatarwa. Inonyangarika otomatiki kana chiratidzo che sensor chagadzikana.
Nguva ipfupi	Iyo meseji "value haina kugadzikana" inotanga yemukati timer. Kana timer yapera uye kukosha kwazvino kuchiri kusagadzikana, zvinyorwa zvinoratidzwa. Maitiro anotanga zvakare. Kana kukosha kwakagadzikana, kukosha kwezvino kunoratidzwa uye nzira yekuenzanisa inoenderera mberi. Kana kutenderera kuchidzokororwa kakawanda, kukanganisa kwemukati kwakaitika. Misa iyo calibration maitiro uye tsiva iyo sensor musoro.
Kukanganisa kwemukati	Calibration haigoneki ® tarisa kana kupisa kwakachena nzira kwapera kana kuikanganisa nemaoko kana kutarisa / kutsiva musoro we sensor.

Kana ukabvisa zero offset calibration, kukosha kwekugadzirisa hakuzogadziriswe. Musoro we sensor unoramba uchishandisa "chembere" zero offset. Iyo yakazara calibration routine inofanirwa kuitwa kuchengetedza chero shanduko yecalibration.

Gain Calibration

• Nekushandisa kiyi yemuseve, sarudza iyo Gain menyu.
• Batanidza calibration gasi cylinder kumusoro we sensor nekushandisa calibration adapter (Fig. 1).
• Vhura iyo cylinder flow regulator kuti utange kubvumira kuyerera kunokurudzirwa kuve kushoma 150 ml/min.
• Dzvanya Enter kuratidza kukosha kwaverengwa parizvino, mushure memamwe maminetsi, kana kukosha kweppm kwadzikama, dzvanya Enter zvakare kuti utange calibration.
• Mumutsara wechi2, panguva yekuverenga, underscore inomhanya kubva kuruboshwe kuenda kurudyi uye kukosha kwazvino kunochinjika kune set test gasi yanga ichiyerera.
• Kana kukosha kwazvino kwagadzikana uye pedyo nereferensi kukosha kweiyo set calibration gasi concentration, dzvanya Enter kuti upedze kuverenga kweukoshi hutsva.
• Mushure mekunge kukosha kwave kuchengetwa zvakabudirira, sikweya inoonekwa kurudyi kwenguva pfupi = Gain calibration yapera kuwana kutsva kwekugadzirisa kwakachengetwa nekubudirira.
• Chiratidziro chinoenda otomatiki kune kuratidzwa kweiyo ikozvino ppm kukosha.

Munguva yekuverenga, mameseji anotevera anogona kuitika:

Mharidzo	Tsanangudzo
Ikozvino kukosha kwakanyanya	Yedza gasi kuisirwa> pane yakatarwa kukosha Internal kukanganisa ® tsiva sensor musoro
Ukoshi hwazvino hwakaderera	Hapana gasi rekuyedza kana gasi rekuyedza risiri iro rinoiswa kune sensor.
Edzai gasi rakanyanyisa Kuedza gasi rakaderera	Iyo yekumisikidzwa kwegasi reyedzo inofanirwa kunge iri pakati pe30% ne90% yeyeyero renji.
Ikozvino kukosha haina kugadzikana	Inotaridzika kana iyo sensor siginari isingasviki iyo calibration point mukati menguva yakatarwa. Inonyangarika otomatiki kana chiratidzo che sensor chagadzikana.
Nguva ipfupi	Iyo meseji "value haina kugadzikana" inotanga yemukati timer. Kana timer yapera uye kukosha kwazvino kuchiri kusagadzikana, zvinyorwa zvinoratidzwa. Maitiro anotanga zvakare. Kana kukosha kwakagadzikana, kukosha kwezvino kunoratidzwa uye nzira yekuenzanisa inoenderera mberi. Kana kutenderera kuchidzokororwa kakawanda, kukanganisa kwemukati kwakaitika. Misa iyo calibration maitiro uye tsiva iyo sensor musoro.
Sensitivity	Sensitivity yemusoro we sensor <30%, calibration haichagoneki ® kutsiva sensor musoro.
Kukanganisa kwemukati	Calibration haigoneki ® tarisa kana kupisa kwakachena nzira kwapera kana kuikanganisa nemaoko kana kutarisa / kutsiva musoro we sensor.

Pakupera kweiyo calibration maitiro buda kubva kuService Mode.

1. Dzvanya ESC
2. Dzvanya museve kumusoro kusvika iyo Service Mode menyu
3. Dzvanya Enter uye Service Mode ON inoratidzwa
4. Dzvanya Enter uye pasi museve kuti uchinje chimiro kubva pa ON kuenda ku OFF wobva wadzvanya Enter zvakare. Iyo unit iri muOperation Mode uye inoratidzira yegirini LED yakasimba.

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Zvinyorwa / Zvishandiso

Danfoss DGS Functional Tests uye Calibration Procedure [pdf] Bhuku reMushandisi DGS Inoshanda Miedzo uye Calibration Procedure, DGS, DGS Functional Tests, Functional Tests, DGS Calibration Procedure, Calibration Procedure

References

• User Manual