{"id":1362,"date":"2026-06-26T06:18:30","date_gmt":"2026-06-26T06:18:30","guid":{"rendered":"https:\/\/worm-and-worm-wheel.com\/?p=1362"},"modified":"2026-06-26T06:18:30","modified_gmt":"2026-06-26T06:18:30","slug":"worm-and-worm-wheel-for-hvac-damper-and-cooling-tower-drives","status":"publish","type":"post","link":"https:\/\/worm-and-worm-wheel.com\/cs\/worm-and-worm-wheel-for-hvac-damper-and-cooling-tower-drives\/","title":{"rendered":"\u0160nek a \u0161nekov\u00e9 kolo pro pohony klapek HVAC a chladic\u00edch v\u011b\u017e\u00ed"},"content":{"rendered":"
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Korea Ever-Power \u00b7 Pr\u016fvodce aplika\u010dn\u00edm in\u017een\u00fdrstv\u00edm<\/p>\n

\u0160nek a \u0161nekov\u00e9 kolo pro pohony klapek HVAC a chladic\u00edch v\u011b\u017e\u00ed<\/h1>\n

Syst\u00e9m vyt\u00e1p\u011bn\u00ed, v\u011btr\u00e1n\u00ed a klimatizace (HVAC) v komer\u010dn\u00ed budov\u011b nastavuje 48 motorizovan\u00fdch klapek stokr\u00e1t denn\u011b \u2013 ka\u017ed\u00e9 nastaven\u00ed p\u0159edstavuje pomal\u00e9 a p\u0159esn\u00e9 30sekundov\u00e9 oto\u010den\u00ed z jednoho \u00fahlu lopatek do druh\u00e9ho. Ventil\u00e1tor st\u0159e\u0161n\u00ed chladic\u00ed v\u011b\u017ee se ka\u017ed\u00e9 l\u00e9to nep\u0159etr\u017eit\u011b ot\u00e1\u010d\u00ed 4 000 hodin p\u0159i 100% vlhkosti a chemicky o\u0161et\u0159en\u00e9 vodn\u00ed mlze. Ob\u011b aplikace sd\u00edlej\u00ed jeden pohon: \u0161nekov\u00fd p\u0159evod. Profily provozu se v\u0161ak nemohou v\u00edce li\u0161it \u2013 jeden se pohybuje b\u011bhem n\u011bkolika sekund a dr\u017e\u00ed v poloze cel\u00e9 hodiny; druh\u00fd b\u011b\u017e\u00ed nep\u0159etr\u017eit\u011b cel\u00e9 m\u011bs\u00edce.<\/p>\n

Promluvte si s technikem pohon\u016f HVAC \u2192<\/a><\/p>\n<\/div>\n

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Rychl\u00e1 odpov\u011b\u010f<\/div>\n

Pohony klapek HVAC a pohony ventil\u00e1tor\u016f chladic\u00edch v\u011b\u017e\u00ed p\u0159edstavuj\u00ed dva z\u00e1sadn\u011b odli\u0161n\u00e9 profily provozu \u0161nekov\u00fdch p\u0159evod\u016f v r\u00e1mci stejn\u00e9ho ekosyst\u00e9mu technick\u00e9ho vybaven\u00ed budov. Pohony klapek pou\u017e\u00edvaj\u00ed \u0161nekov\u00fd p\u0159evod jako p\u0159esn\u00fd polohova\u010d \u2013 nastavuj\u00ed \u00fahel lopatek za 30 a\u017e 90 sekund a mezi jednotliv\u00fdmi nastaven\u00edmi dr\u017e\u00ed polohu po dobu n\u011bkolika hodin pomoc\u00ed samosvorn\u00e9ho mechanismu. Pohony ventil\u00e1tor\u016f chladic\u00edch v\u011b\u017e\u00ed pou\u017e\u00edvaj\u00ed \u0161nekov\u00fd p\u0159evod jako plynul\u00fd reduktor ot\u00e1\u010dek \u2013 b\u011b\u017e\u00ed 3 000 a\u017e 5 000 hodin za letn\u00ed sez\u00f3nu v nasycen\u00e9, chemicky agresivn\u00ed atmosf\u00e9\u0159e. Mapa sez\u00f3nn\u00edho profilu zat\u00ed\u017een\u00ed kvantifikuje, jak se provoz m\u011bn\u00ed v pr\u016fb\u011bhu roku: letn\u00ed \u0161pi\u010dka (100% zat\u00ed\u017een\u00ed, nep\u0159etr\u017eit\u011b), p\u0159eru\u0161ovan\u00e1 obdob\u00ed (50 a\u017e 70 procent, p\u0159eru\u0161ovan\u011b) a zimn\u00ed minimum (0 a\u017e 20 procent nebo \u00fapln\u00e9 vypnut\u00ed). Tento sez\u00f3nn\u00ed profil ur\u010duje ro\u010dn\u00ed po\u010det provozn\u00edch hodin, po\u010det tepeln\u00fdch cykl\u016f a dobu trv\u00e1n\u00ed vystaven\u00ed korozi \u2013 to v\u0161e ovliv\u0148uje dimenzov\u00e1n\u00ed \u0161nekov\u00e9ho p\u0159evodu, pl\u00e1nov\u00e1n\u00ed maz\u00e1n\u00ed a specifikaci materi\u00e1lu odli\u0161n\u011b od pr\u016fmyslov\u00fdch aplikac\u00ed s konstantn\u00edm zat\u00ed\u017een\u00edm.<\/p>\n<\/div>\n

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Dv\u011b role HVAC pro \u0161nekov\u00e9 p\u0159evodov\u00e9 pohony \u2013 nastaven\u00ed klapky a sn\u00ed\u017een\u00ed ot\u00e1\u010dek ventil\u00e1toru<\/h2>\n

\"mo\u017enosti<\/p>\n

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Syst\u00e9my HVAC budov a pr\u016fmyslov\u00e1 chladic\u00ed infrastruktura pou\u017e\u00edvaj\u00ed \u0161nekov\u00e9 p\u0159evody ve dvou odli\u0161n\u00fdch rol\u00edch s opa\u010dn\u00fdmi provozn\u00edmi charakteristikami. Pochopen\u00ed tohoto rozd\u00edlu je nezbytn\u00e9, proto\u017ee p\u0159\u00edstup ke specifikaci se pro ka\u017edou roli li\u0161\u00ed \u2013 \u0161nekov\u00fd p\u0159evod pohonu klapky dimenzovan\u00fd pro nep\u0159etr\u017eit\u00fd provoz ventil\u00e1toru by byl v\u00fdrazn\u011b nadm\u011brn\u011b specifikovan\u00fd a pohon ventil\u00e1toru ur\u010den\u00fd pro p\u0159eru\u0161ovan\u00e9 polohov\u00e1n\u00ed by selhal b\u011bhem jedn\u00e9 chladic\u00ed sez\u00f3ny.<\/p>\n<\/div>\n

\"Princip<\/div>\n<\/div>\n
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Pohon klapky (p\u0159eru\u0161ovan\u00fd polohovac\u00ed regul\u00e1tor)<\/div>\n

Pohyb:<\/strong> Oto\u010d\u00ed se o 0 a\u017e 90 stup\u0148\u016f za 30 a\u017e 90 sekund a pot\u00e9 se zachov\u00e1.
\nPovinnost:<\/strong> 50 a\u017e 500 polohovac\u00edch cykl\u016f denn\u011b, celkov\u00e1 doba provozu 0,5 a\u017e 5 hodin\/den.
\nTo\u010div\u00fd moment:<\/strong> 5 a\u017e 50 N\u00b7m (lehk\u00fd \u2013 tlak vzduchu na listy klapky).
\nSamosvorn\u00e9:<\/strong> Z\u00e1kladn\u00ed \u2013 udr\u017euje \u00fahel lopatek proti tlaku vzduchu v potrub\u00ed.
\nProst\u0159ed\u00ed:<\/strong> Vnit\u0159n\u00ed potrub\u00ed (\u010dist\u00e9, such\u00e9, zaji\u0161t\u011bn\u00e9 okoln\u00edm vzduchem) k p\u0159\u00edvodu venkovn\u00edho vzduchu (de\u0161\u0165ov\u00fd, mr\u00e1z, UV z\u00e1\u0159en\u00ed).<\/p>\n<\/div>\n

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Ventil\u00e1tor chladic\u00ed v\u011b\u017ee (plynul\u00fd reduktor)<\/div>\n

Pohyb:<\/strong> Plynul\u00e9 ot\u00e1\u010den\u00ed p\u0159i v\u00fdstupn\u00edch ot\u00e1\u010dk\u00e1ch 100 a\u017e 400 ot.\/min.
\nPovinnost:<\/strong> 3 000 a\u017e 5 000 hodin ro\u010dn\u011b (sez\u00f3nn\u011b nep\u0159etr\u017eit\u011b).
\nTo\u010div\u00fd moment:<\/strong> 200 a\u017e 2 000 N\u00b7m (aerodynamick\u00e9 zat\u00ed\u017een\u00ed lopatek ventil\u00e1toru).
\nSamosvorn\u00e9:<\/strong> Nen\u00ed pot\u0159eba (volnob\u011b\u017en\u00fd chod ventil\u00e1toru p\u0159i zastaven\u00ed motoru).
\nProst\u0159ed\u00ed:<\/strong> St\u0159e\u0161n\u00ed, 100% vlhkost, chladic\u00ed vodn\u00ed mlha s biocidn\u00edmi chemik\u00e1liemi.<\/p>\n<\/div>\n<\/div>\n

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Mapa sez\u00f3nn\u00edho profilu zat\u00ed\u017een\u00ed \u2013 jak se spot\u0159eba m\u011bn\u00ed v pr\u016fb\u011bhu roku<\/h2>\n

Na rozd\u00edl od tov\u00e1rn\u00edch stroj\u016f, kter\u00e9 b\u011b\u017e\u00ed s konstantn\u00edm zat\u00ed\u017een\u00edm po cel\u00fd rok, se za\u0159\u00edzen\u00ed pro vyt\u00e1p\u011bn\u00ed, v\u011btr\u00e1n\u00ed a klimatizaci \u0159\u00edd\u00ed popt\u00e1vkou po chlazen\u00ed budovy nebo pr\u016fmyslu \u2013 kter\u00e1 se li\u0161\u00ed podle ro\u010dn\u00edho obdob\u00ed, klimatick\u00e9ho p\u00e1sma a typu budovy. Profil sez\u00f3nn\u00edho zat\u00ed\u017een\u00ed ur\u010duje ro\u010dn\u00ed provozn\u00ed hodiny, po\u010det tepeln\u00fdch cykl\u016f a dobu trv\u00e1n\u00ed korozn\u00edho vystaven\u00ed \u0161nekov\u00e9ho kola. Tyto t\u0159i parametry ovliv\u0148uj\u00ed dimenzov\u00e1n\u00ed, pl\u00e1nov\u00e1n\u00ed maz\u00e1n\u00ed a v\u00fdb\u011br materi\u00e1lu odli\u0161n\u011b od pr\u016fmyslov\u00fdch aplikac\u00ed s konstantn\u00edm zat\u00ed\u017een\u00edm.<\/p>\n

\n\n\n\n\n\n\n\n
Sez\u00f3na<\/th>\nVentil\u00e1tor chladic\u00ed v\u011b\u017ee<\/th>\nPohon klapky<\/th>\nN\u00e1raz \u0161nekov\u00e9ho p\u0159evodu \u2013 pohon ventil\u00e1toru<\/th>\nTlumi\u010d n\u00e1raz\u016f \u0161nekov\u00e9ho p\u0159evodu<\/th>\n<\/tr>\n<\/thead>\n
Letn\u00ed vrchol (\u010derven\u2013srpen)<\/td>\nZat\u00ed\u017een\u00ed 100%, nep\u0159etr\u017eit\u00e9 24\/7<\/td>\nVysok\u00fd po\u010det cykl\u016f (300\u2013500\/den)<\/td>\nMaxim\u00e1ln\u00ed tepeln\u00e9 zat\u00ed\u017een\u00ed, teplota oleje dosahuje vrchol\u016f. Zkra\u0165te dobu v\u00fdm\u011bny oleje, pokud teplota p\u0159ekro\u010d\u00ed 90 \u00b0C.<\/td>\nMaxim\u00e1ln\u00ed po\u010det cykl\u016f polohov\u00e1n\u00ed. Sledujte proud motoru pro detekci zablokov\u00e1n\u00ed.<\/td>\n<\/tr>\n
Rameno (duben\u2013kv\u011bten, z\u00e1\u0159\u00ed\u2013\u0159\u00edjen)<\/td>\nZ\u00e1t\u011b\u017e 50\u201370%, cyklick\u00e9 zap\u00edn\u00e1n\u00ed\/vyp\u00edn\u00e1n\u00ed<\/td>\nSt\u0159edn\u00ed (100\u2013200\/den)<\/td>\nTepeln\u00e9 cyklick\u00e9 nam\u00e1h\u00e1n\u00ed t\u011bsn\u011bn\u00ed (denn\u00ed zah\u0159\u00edv\u00e1n\u00ed\/chlad). Riziko kondenzace p\u0159i odstaven\u00ed.<\/td>\nStandardn\u00ed provoz. Dobr\u00e9 ok\u00e9nko pro kontrolu t\u011bsn\u011bn\u00ed.<\/td>\n<\/tr>\n
Zimn\u00ed minimum (listopad\u2013b\u0159ezen)<\/td>\n0\u201320% nebo \u00fapln\u00e9 vypnut\u00ed<\/td>\nN\u00edzk\u00e1 (50\u2013100\/den)<\/td>\nRiziko koroze v dob\u011b klidu (kondenzace uvnit\u0159 pouzdra). B\u011bhem odstaven\u00ed prov\u00e1d\u011bjte m\u011bs\u00ed\u010dn\u00ed kontrolu.<\/td>\nVenkovn\u00ed sac\u00ed klapky vystaven\u00e9 mrazu \u2013 mazivo mus\u00ed odol\u00e1vat teplot\u00e1m -20 \u00b0C.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

D\u016fsledky dimenzov\u00e1n\u00ed.<\/strong> \u0160nekov\u00e9 kolo ventil\u00e1toru chladic\u00ed v\u011b\u017ee mus\u00ed b\u00fdt dimenzov\u00e1no na letn\u00ed \u0161pi\u010dku \u2013 100% zat\u00ed\u017een\u00ed p\u0159i nejvy\u0161\u0161\u00ed okoln\u00ed teplot\u011b (co\u017e sni\u017euje odvod tepla z pl\u00e1\u0161t\u011b). Ro\u010dn\u00ed provozn\u00ed hodiny jsou v\u0161ak pouze 3 000 a\u017e 5 000 (oproti 8 760 u tov\u00e1rny pracuj\u00edc\u00ed 24 hodin denn\u011b, 7 dn\u00ed v t\u00fddnu). To znamen\u00e1, \u017ee mechanick\u00e1 \u017eivotnost se prodlu\u017euje o sez\u00f3nn\u00ed odpo\u010dinek \u2013 ale korozn\u00ed z\u00e1t\u011b\u017e z mokr\u00e9 atmosf\u00e9ry chladic\u00ed v\u011b\u017ee se hromad\u00ed pouze b\u011bhem provozn\u00ed sez\u00f3ny. P\u00e1r, kter\u00fd by mechanicky vydr\u017eel 8 let p\u0159i 8 760 hodin\u00e1ch\/rok, m\u016f\u017ee vydr\u017eet 12 a\u017e 15 let p\u0159i 4 000 hodin\u00e1ch\/rok \u2013 pokud protikorozn\u00ed ochrana p\u0159e\u017eije kondenzaci v zimn\u00edm obdob\u00ed v dob\u011b klidu.<\/p>\n

Pl\u00e1nov\u00e1n\u00ed \u00fadr\u017eby podle sez\u00f3ny.<\/strong> V\u00fdm\u011bnu oleje a kontroly t\u011bsn\u011bn\u00ed napl\u00e1nujte b\u011bhem mezisez\u00f3ny (duben\/kv\u011bten nebo z\u00e1\u0159\u00ed\/\u0159\u00edjen) \u2013 ventil\u00e1tor b\u011b\u017e\u00ed p\u0159eru\u0161ovan\u011b (co\u017e umo\u017e\u0148uje kr\u00e1tk\u00e9 odst\u00e1vky), ale sk\u0159\u00ed\u0148 je dostate\u010dn\u011b tepl\u00e1, aby olej mohl \u010dist\u011b vyt\u00e9ct. Zimn\u00ed odstaven\u00ed je nevhodnou dobou pro v\u00fdm\u011bnu oleje, proto\u017ee studen\u00fd olej neodt\u00e9k\u00e1 \u00fapln\u011b; letn\u00ed \u0161pi\u010dka je nevhodnou dobou, proto\u017ee ventil\u00e1tor nelze zastavit. Sez\u00f3nn\u00ed profil ur\u010duje kalend\u00e1\u0159 \u00fadr\u017eby i specifikaci.<\/p>\n

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Vlhk\u00e1 atmosf\u00e9ra chladic\u00ed v\u011b\u017ee \u2013 vlhkost, chemick\u00e1 mlha a zimn\u00ed mr\u00e1z<\/h2>\n

\"Ut\u011bsn\u011bn\u00e9<\/p>\n

\u0160nekov\u00e9 p\u0159evody ventil\u00e1tor\u016f chladic\u00edch v\u011b\u017e\u00ed \u010del\u00ed jednomu z nejagresivn\u011bj\u0161\u00edch atmosf\u00e9rick\u00fdch prost\u0159ed\u00ed mimo n\u00e1mo\u0159n\u00ed nebo odpadn\u00ed vody. Odpadn\u00ed vzduch z v\u011b\u017ee je nasycen\u00fd 100% relativn\u00ed vlhkost\u00ed a un\u00e1\u0161\u00ed s sebou vodn\u00ed mlhu z chladic\u00ed n\u00e1pln\u011b. Tato mlha obsahuje chemik\u00e1lie p\u0159id\u00e1van\u00e9 do syst\u00e9mu cirkulace chladic\u00ed vody: biocidy (pro prevenci Legionella a \u0159as), inhibitory usazenin (fosfon\u00e1ty, polykarboxyl\u00e1ty) a inhibitory koroze (molybden\u00e1ty, azoly). T\u011bleso \u0161nekov\u00e9ho p\u0159evodu je b\u011bhem chladic\u00ed sez\u00f3ny nep\u0159etr\u017eit\u011b v t\u00e9to chemick\u00e9 mlze.<\/p>\n

Mechanismus koroze se li\u0161\u00ed od napaden\u00ed H\u2082S v odpadn\u00edch vod\u00e1ch (\u010dl\u00e1nek A20): mlha z chladic\u00edch v\u011b\u017e\u00ed je m\u00edrn\u011b kysel\u00e1 (pH 7,0 a\u017e 8,5 po \u00faprav\u011b), ale neust\u00e1le vlhk\u00e1, co\u017e zp\u016fsobuje obecnou povrchovou korozi nechr\u00e1n\u011bn\u00e9 oceli rychlost\u00ed 0,05 a\u017e 0,15 mm za rok. Chemik\u00e1lie pou\u017e\u00edvan\u00e9 k \u00faprav\u011b v\u00fdznamn\u011b nenapadaj\u00ed bronz, ale mohou degradovat standardn\u00ed nitrilov\u00e1 t\u011bsn\u011bn\u00ed b\u011bhem 2 a\u017e 3 let (chemick\u00fd \u00fatok biocid\u016f na pry\u017eov\u00fd elastomer). T\u011bsn\u011bn\u00ed z EPDM odol\u00e1vaj\u00ed chemii chladic\u00ed vody po dobu 5 a\u017e 8 let; t\u011bsn\u011bn\u00ed z FKM po dobu 10+ let.<\/p>\n

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Pozn\u00e1mka k in\u017een\u00fdrsk\u00e9mu stolu<\/div>\n

Korejsk\u00e1 spole\u010dnost pro spr\u00e1vu komer\u010dn\u00edch budov provozovala 6 st\u0159e\u0161n\u00edch chladic\u00edch v\u011b\u017e\u00ed s pohony ventil\u00e1tor\u016f se \u0161nekov\u00fdm p\u0159evodem. Po 5 letn\u00edch sez\u00f3n\u00e1ch do\u0161lo u 2 ze 6 pohon\u016f k \u00faniku oleje u t\u011bsn\u011bn\u00ed v\u00fdstupn\u00edho h\u0159\u00eddele \u2013 nitrilov\u00e1 t\u011bsn\u011bn\u00ed ztvrdla a popraskala v d\u016fsledku neust\u00e1l\u00e9ho vystaven\u00ed biocidn\u00ed mlze. Unikl\u00fd olej se sm\u00edchal s \u00faletem chladic\u00ed vody a zne\u010distil fas\u00e1du budovy pod palubou chladic\u00ed v\u011b\u017ee. N\u00e1klady na \u010di\u0161t\u011bn\u00ed fas\u00e1dy budovy: 8 500 USD. N\u00e1klady na dopln\u011bn\u00ed oleje v p\u00e1ru \u0161nekov\u00e9ho p\u0159evodu a v\u00fdm\u011bnu t\u011bsn\u011bn\u00ed: 240 USD za pohon (celkem 480 USD). N\u00e1klady na prevenci, pokud by byla p\u016fvodn\u011b specifikov\u00e1na t\u011bsn\u011bn\u00ed EPDM: dal\u0161\u00edch 12 USD za t\u011bsn\u011bn\u00ed \u00d7 6 pohon\u016f = celkem 72 USD p\u0159i instalaci. Modernizace t\u011bsn\u011bn\u00ed za 72 USD by zabr\u00e1nila n\u00e1klad\u016fm na \u010di\u0161t\u011bn\u00ed fas\u00e1dy ve v\u00fd\u0161i 8 500 USD a riziku zrychlen\u00e9ho opot\u0159eben\u00ed p\u0159evod\u016f v d\u016fsledku \u00faniku oleje b\u011bhem letn\u00ed \u0161pi\u010dky. Po nehod\u011b bylo v\u0161ech 6 pohon\u016f znovu ut\u011bsn\u011bno t\u011bsn\u011bn\u00edmi FKM (Viton) \u2013 celkem to st\u00e1lo 180 USD \u2013 co\u017e zajistilo \u017eivotnost t\u011bsn\u011bn\u00ed v prost\u0159ed\u00ed chladic\u00ed v\u011b\u017ee v\u00edce ne\u017e 10 let. Ponau\u010den\u00ed: Specifikace t\u011bsn\u011bn\u00ed \u0161nekov\u00e9ho p\u0159evodu chladic\u00ed v\u011b\u017ee nen\u00ed mechanick\u00e9 rozhodnut\u00ed \u2013 jde o rozhodnut\u00ed o n\u00e1kladech na \u00fadr\u017ebu budovy. Materi\u00e1l t\u011bsn\u011bn\u00ed ur\u010duje, zda chladic\u00ed v\u011b\u017e bude fungovat \u010dist\u011b po dobu 10 let, nebo zda dojde k \u00fanik\u016fm oleje, kter\u00e9 po\u0161kod\u00ed povrchy budovy b\u011bhem 3 a\u017e 5 let.<\/p>\n<\/div>\n

<\/p>\n

T\u0159i p\u0159\u00edpady specifikace p\u00e1r\u016f \u0161nekov\u00fdch p\u0159evod\u016f pro vyt\u00e1p\u011bn\u00ed, v\u011btr\u00e1n\u00ed a klimatizaci a chladic\u00ed v\u011b\u017ee<\/h2>\n

\"\u0160nekov\u00e9<\/p>\n

P\u0159\u00edpad 1 \u2013 Korejsk\u00e1 komer\u010dn\u00ed budova: 4 chladic\u00ed v\u011b\u017ee, sez\u00f3nn\u00ed provoz, \u0159\u00edzen\u00ed pomoc\u00ed frekven\u010dn\u00edho m\u011bni\u010de<\/h3>\n

Korejsk\u00e1 komer\u010dn\u00ed kancel\u00e1\u0159sk\u00e1 budova (40 pater, podlahov\u00e1 plocha 120 000 m\u00b2) specifikovala \u0161nekov\u00e9 p\u0159evody pro 4 pohony ventil\u00e1tor\u016f chladic\u00edch v\u011b\u017e\u00ed s nucen\u00fdm tahem. Pr\u016fm\u011br ventil\u00e1toru: 3,5 m. Ot\u00e1\u010dky ventil\u00e1toru: 180 ot.\/min. Motor: 22 kW, 4p\u00f3lov\u00fd, \u0159\u00edzen\u00fd frekven\u010dn\u00edm m\u011bni\u010dem. P\u0159evodov\u00fd pom\u011br: 8:1. V\u00fdstupn\u00ed to\u010div\u00fd moment p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed: 850 N\u00b7m. Ro\u010dn\u00ed profil: letn\u00ed \u0161pi\u010dka (\u010derven a\u017e srpen, 2 200 hodin p\u0159i 80 a\u017e 100 procentech zat\u00ed\u017een\u00ed), p\u0159est\u00e1vka (duben\/kv\u011bten a z\u00e1\u0159\u00ed\/\u0159\u00edjen, 1 200 hodin p\u0159i 40 a\u017e 70 procentech), zimn\u00ed odst\u00e1vka (listopad a\u017e b\u0159ezen). Celkov\u00fd ro\u010dn\u00ed provozn\u00ed po\u010det hodin: 3 400. \u0160nekov\u00e9 p\u0159evody: 2stup\u0148ov\u00e9 (samostatn\u00e9 blokov\u00e1n\u00ed nen\u00ed nutn\u00e9 \u2013 volnob\u011bh ventil\u00e1toru je bezpe\u010dn\u00fd), modul 4, rozte\u010d 100 mm. Materi\u00e1l: pozinkovan\u00fd \u0161nek, kolo z fosforov\u00e9ho bronzu. T\u011bsn\u011bn\u00ed: FKM (Viton) IP55, vysou\u0161ec\u00ed odvzdu\u0161\u0148ova\u010d pro zimn\u00ed klidov\u00fd stav. Olej: Syntetick\u00fd PAG ISO VG 320, m\u011bn\u011bn ka\u017ed\u00e9 3 p\u0159ep\u00ednac\u00ed sez\u00f3ny (p\u0159ibli\u017en\u011b 10 000 provozn\u00edch hodin). Cena za p\u00e1r: 320 USD. \u00daspora energie d\u00edky \u0159\u00edzen\u00ed VFD: 2stup\u0148ov\u00e1 specifikace s \u00fa\u010dinnost\u00ed 68 % (oproti 45 % u jednostup\u0148ov\u00e9) u\u0161et\u0159ila p\u0159ibli\u017en\u011b 4,5 kW na v\u011b\u017e p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed \u2013 celkem 18 kW na 4 v\u011b\u017ee \u00d7 2 200 hodin ve \u0161pi\u010dce = 39 600 kWh ro\u010dn\u011b p\u0159i 0,12 USD za kWh = ro\u010dn\u00ed \u00faspora energie 4 752 USD d\u00edky v\u00fdb\u011bru vy\u0161\u0161\u00ed \u00fa\u010dinnosti 2stup\u0148ov\u00e9ho \u0161nekov\u00e9ho p\u0159evodu.<\/p>\n

P\u0159\u00edpad 2 \u2013 Japonsk\u00e9 datov\u00e9 centrum: celoro\u010dn\u00ed chlazen\u00ed, 8 000 hodin\/rok, redundantn\u00ed disky<\/h3>\n

Japonsk\u00e9 datov\u00e9 centrum specifikovalo \u0161nekov\u00e9 p\u0159evody pro 8 pohon\u016f ventil\u00e1tor\u016f chladic\u00edch v\u011b\u017e\u00ed, kter\u00e9 zaji\u0161\u0165ovaly celoro\u010dn\u00ed chlazen\u00ed pro odvod tepla ze serverovny. Na rozd\u00edl od komer\u010dn\u00edch budov generuj\u00ed datov\u00e1 centra konstantn\u00ed teplo 24 hodin denn\u011b, 7 dn\u00ed v t\u00fddnu, 365 dn\u00ed v roce \u2013 chladic\u00ed v\u011b\u017ee b\u011b\u017eely v\u00edce ne\u017e 8 000 hodin ro\u010dn\u011b bez zimn\u00ed odst\u00e1vky. Jednalo se v podstat\u011b o nep\u0159etr\u017eit\u00fd pr\u016fmyslov\u00fd provoz v atmosf\u00e9\u0159e chladic\u00edch v\u011b\u017e\u00ed. Specifikace musela zohlednit jak prodlou\u017eenou provozn\u00ed dobu (vy\u017eaduj\u00edc\u00ed maz\u00e1n\u00ed olejovou l\u00e1zn\u00ed s ka\u017edoro\u010dn\u00ed v\u00fdm\u011bnou oleje), tak i po\u017eadavek na redundanci (konfigurace N+1 \u2013 7 v\u011b\u017e\u00ed v provozu, 1 v z\u00e1lo\u017en\u00edm re\u017eimu). \u0160nekov\u00fd p\u0159evod: 2stup\u0148ov\u00fd, modul 5, rozte\u010d 125 mm, p\u0159evodov\u00fd pom\u011br 10:1. Motor: 30 kW, frekven\u010dn\u00ed m\u011bni\u010d. V\u00fdstupn\u00ed to\u010div\u00fd moment: 1 200 N\u00b7m. Materi\u00e1l: \u0161nek z nerezov\u00e9 oceli 304 (celoro\u010dn\u00ed nep\u0159etr\u017eit\u00e9 vystaven\u00ed mlze od\u016fvod\u0148uje upgrade z pozinkovan\u00e9ho proveden\u00ed), kolo z fosforov\u00e9ho bronzu. Olej: syntetick\u00fd PAG ISO VG 460 s antikorozn\u00ed p\u0159\u00edsadou, ro\u010dn\u00ed v\u00fdm\u011bna (interval 8 000 hodin). T\u011bsn\u011bn\u00ed: FKM IP55 s p\u0159etlakov\u00fdm labyrintem. Cena za p\u00e1r: 680 USD. Nerezov\u00e1 ocel 304 zv\u00fd\u0161ila cenu o 180 USD za p\u00e1r oproti pozinkovan\u00e9 verzi \u2013 co\u017e je zd\u016fvodn\u011bno celoro\u010dn\u00edm vystaven\u00edm vliv\u016fm, kter\u00e9 by zinkov\u00fd povlak spot\u0159ebovaly p\u0159ibli\u017en\u011b za 4 roky. \u0161nekov\u00fd reduktor pro HVAC<\/a> mo\u017enosti pro aplikace v chladic\u00edch v\u011b\u017e\u00edch a technick\u00e9m za\u0159\u00edzen\u00ed budov.<\/p>\n

P\u0159\u00edpad 3 \u2013 Vietnamsk\u00e1 tov\u00e1rna: 48 pohon\u016f klapek do potrub\u00ed, tropick\u00e9 klima, n\u00e1kladov\u011b orientovan\u00e9<\/h3>\n

Vietnamsk\u00e1 tov\u00e1rna na elektroniku specifikovala \u0161nekov\u00e9 p\u0159evody pro 48 motorizovan\u00fdch potrubn\u00edch klapek, kter\u00e9 reguluj\u00ed p\u0159\u00edvod vzduchu do 12 z\u00f3n \u010dist\u00fdch prostor. Rozm\u011br listu klapky: 600 \u00d7 400 mm. Po\u017eadovan\u00fd kroutic\u00ed moment pohonu: 15 N\u00b7m (rozd\u00edl tlaku vzduchu na listu p\u0159i maxim\u00e1ln\u00edch ot\u00e1\u010dk\u00e1ch ventil\u00e1toru). Doba polohov\u00e1n\u00ed: 60 sekund pro pln\u00fd zdvih 90 stup\u0148\u016f. Denn\u00ed cykly polohov\u00e1n\u00ed: 100 a\u017e 200 na klapku (regulace teploty v jednotliv\u00fdch z\u00f3n\u00e1ch). Tropick\u00e9 klima (celoro\u010dn\u011b 28 a\u017e 35 stup\u0148\u016f Celsia, 80 a\u017e 95 procent relativn\u00ed vlhkosti) eliminovalo sez\u00f3nn\u00ed profil \u2013 klapky pracovaly v letn\u00edch podm\u00ednk\u00e1ch 12 m\u011bs\u00edc\u016f v roce. Specifikace byla ovlivn\u011bna n\u00e1klady, proto\u017ee 48 jednotek zn\u00e1sobilo mal\u00e9 rozd\u00edly v n\u00e1kladech na jednotku do v\u00fdznamn\u00fdch celkov\u00fdch n\u00e1klad\u016f. \u0160nekov\u00e9 p\u0159evody: jednochod\u00e9, modul 1, rozte\u010d 20 mm, p\u0159evodov\u00fd pom\u011br 40:1. Materi\u00e1l: pozinkovan\u00fd \u0161nek, kolo z POM (ti\u0161\u0161\u00ed ne\u017e bronz p\u0159i n\u00edzk\u00e9m zat\u00ed\u017een\u00ed 15 N\u00b7m \u2013 d\u016fle\u017eit\u00e9 pro tlumen\u00ed hluku v \u010dist\u00fdch prostor\u00e1ch). Mazivo: standardn\u00ed lithn\u00fd komplex (vnit\u0159n\u00ed prost\u0159ed\u00ed s potrub\u00edm \u2013 bez chemick\u00e9ho kontaktu). T\u011bsn\u011bn\u00ed: NBR IP44 (vnit\u0159n\u00ed vzduchotechnick\u00e1 jednotka, bez kontaktu s vodou). Cena za p\u00e1r: 14 USD. Cena za 48 kus\u016f: 672 USD. Interval v\u00fdm\u011bny kol z POM p\u0159i tomto lehk\u00e9m zat\u00ed\u017een\u00ed a trval\u00e9 tropick\u00e9 teplot\u011b: odhadovan\u00fd 4 a\u017e 6 let (\u017e\u00e1dn\u00e1 sez\u00f3nn\u00ed p\u0159est\u00e1vka urychluje neust\u00e1l\u00e9 tepeln\u00e9 st\u00e1rnut\u00ed POM). Ro\u010dn\u00ed \u00fadr\u017eba: vizu\u00e1ln\u00ed kontrola provozu pohonu b\u011bhem op\u011btovn\u00e9 certifikace \u010dist\u00e9ho prostoru (p\u0159i tomto lehk\u00e9m zat\u00ed\u017een\u00ed nen\u00ed nutn\u00e1 samostatn\u00e1 \u00fadr\u017eba \u0161nekov\u00e9ho p\u0159evodu).<\/p>\n

<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n
\nOt\u00e1zka: M\u011bly by b\u00fdt \u0161nekov\u00e9 p\u0159evody ventil\u00e1tor\u016f chladic\u00edch v\u011b\u017e\u00ed jednochod\u00e9 nebo dvouchod\u00e9?<\/summary>\n

T\u00e9m\u011b\u0159 v\u017edy 2-stop\u00fd. Ventil\u00e1tory chladic\u00edch v\u011b\u017e\u00ed nepot\u0159ebuj\u00ed samosvorn\u00fd re\u017eim \u2013 kdy\u017e se motor zastav\u00ed, ventil\u00e1tor se ne\u0161kodn\u011b voln\u011b ot\u00e1\u010d\u00ed. Specifikace 2-stop\u00e9ho re\u017eimu zvy\u0161uje \u00fa\u010dinnost ze 40 na 48 procent (jednostop\u00fd re\u017eim) na 65 a\u017e 72 procent (2-stop\u00fd re\u017eim), \u010d\u00edm\u017e se u\u0161et\u0159\u00ed 3 a\u017e 8 kW nep\u0159etr\u017eit\u00e9ho v\u00fdkonu na v\u011b\u017e p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed. B\u011bhem 4 000hodinov\u00e9 chladic\u00ed sez\u00f3ny tato \u00faspora energie snadno p\u0159evy\u0161uje n\u00e1klady na samotn\u00fd p\u00e1r \u0161nekov\u00fdch p\u0159evod\u016f. Jedinou v\u00fdjimkou: v\u011b\u017ee s extr\u00e9mn\u00edm zat\u00ed\u017een\u00edm v\u011btrem, kde by zp\u011btn\u00e9 ot\u00e1\u010den\u00ed ventil\u00e1toru mohlo p\u0159ekro\u010dit rychlost motoru \u2013 n\u011bkter\u00e9 konstrukce v\u011b\u017e\u00ed pou\u017e\u00edvaj\u00ed samosvorn\u00fd re\u017eim s jedn\u00edm spu\u0161t\u011bn\u00edm, aby se zabr\u00e1nilo zp\u011btn\u00e9mu ot\u00e1\u010den\u00ed ventil\u00e1toru zp\u016fsoben\u00e9mu v\u011btrem b\u011bhem odst\u00e1vek.<\/p>\n<\/details>\n

\nOt\u00e1zka: Jak mohu chr\u00e1nit \u0161nekov\u00e9 kolo chladic\u00ed v\u011b\u017ee b\u011bhem zimn\u00ed odst\u00e1vky?<\/summary>\n

T\u0159i kroky: (1) Vym\u011b\u0148te olej na konci chladic\u00ed sez\u00f3ny (z\u00e1\u0159\u00ed\/\u0159\u00edjen), aby p\u00e1r z\u016fstal v latentn\u00edm stavu v \u010derstv\u00e9m oleji, a nikoli v letn\u00edm oleji kontaminovan\u00e9m kyselinami. (2) Nainstalujte nebo ov\u011b\u0159te odvzdu\u0161\u0148ovac\u00ed filtr s vysou\u0161ec\u00edm prost\u0159edkem \u2013 zimn\u00ed teplotn\u00ed cykly zp\u016fsobuj\u00ed kondenzaci uvnit\u0159 sk\u0159\u00edn\u011b, kter\u00e1 emulguje olej a koroduje vnit\u0159n\u00ed povrchy. (3) Nechte ventil\u00e1tor jednou za m\u011bs\u00edc v zim\u011b b\u011b\u017eet na 15 minut, aby se olej rozproudil po v\u0161ech lo\u017eiskov\u00fdch a p\u0159evodov\u00fdch ploch\u00e1ch, a zabr\u00e1nilo se tak lok\u00e1ln\u00ed korozi zp\u016fsoben\u00e9 usazov\u00e1n\u00edm stojat\u00e9ho oleje. Tyto t\u0159i kroky stoj\u00ed p\u0159ibli\u017en\u011b 200 USD na chladic\u00ed v\u011b\u017e a rok (v\u00fdm\u011bna oleje + vysou\u0161ec\u00ed prost\u0159edek + 15 minut m\u011bs\u00ed\u010dn\u00edho provozu) a prodlu\u017euj\u00ed \u017eivotnost p\u00e1ru o 30 a\u017e 50 procent ve srovn\u00e1n\u00ed s ne\u0159\u00edzen\u00fdm zimn\u00edm odstaven\u00edm.<\/p>\n<\/details>\n

\nOt\u00e1zka: M\u016f\u017ee \u0161nekov\u00fd p\u0159evod pohonu klapky fungovat i ve venkovn\u00edch mraziv\u00fdch podm\u00ednk\u00e1ch?<\/summary>\n

Ano, ale mazivo mus\u00ed b\u00fdt dimenzov\u00e1no na minim\u00e1ln\u00ed o\u010dek\u00e1vanou teplotu. Standardn\u00ed lithn\u00e9 komplexn\u00ed mazivo m\u00e1 bod tuhnut\u00ed p\u0159ibli\u017en\u011b minus 20 stup\u0148\u016f Celsia \u2013 co\u017e je dosta\u010duj\u00edc\u00ed pro v\u011bt\u0161inu m\u00edrn\u00e9ho podneb\u00ed. Pro instalace v severn\u00ed Koreji, Japonsku (Hokkaid\u00f3) nebo jin\u00fdch oblastech, kde venkovn\u00ed teploty dosahuj\u00ed minus 30 a\u017e minus 40 stup\u0148\u016f Celsia, pou\u017eijte syntetick\u00e9 mazivo PAO s bodem tuhnut\u00ed pod minus 40 stup\u0148\u016f Celsia. P\u0159i teplot\u00e1ch pod bodem tuhnut\u00ed maziva mazivo tuhne a motor pohonu se zastav\u00ed \u2013 klapka se nepohybuje, co\u017e m\u016f\u017ee v\u00e9st k zablokov\u00e1n\u00ed p\u0159\u00edvodu venkovn\u00edho vzduchu v otev\u0159en\u00e9m (zaplaven\u00ed budovy mraziv\u00fdm vzduchem) nebo v uzav\u0159en\u00e9m (p\u0159eru\u0161en\u00ed ventilace). P\u0159ed prvn\u00ed zimou otestujte pohon p\u0159i nejni\u017e\u0161\u00ed o\u010dek\u00e1van\u00e9 teplot\u011b, abyste ov\u011b\u0159ili jeho funk\u010dnost.<\/p>\n<\/details>\n

\nOt\u00e1zka: Jak\u00fd je rozd\u00edl v n\u00e1kladech na energii mezi pohony ventil\u00e1tor\u016f chladic\u00edch v\u011b\u017e\u00ed s jedn\u00edm a dv\u011bma spu\u0161t\u011bn\u00edmi?<\/summary>\n

Pro motor ventil\u00e1toru o v\u00fdkonu 22 kW: jednor\u00e1zov\u00fd motor s \u00fa\u010dinnost\u00ed 45 procent dod\u00e1 ventil\u00e1toru 9,9 kW a pl\u00fdtv\u00e1 12,1 kW jako teplo. Dvour\u00e1zov\u00fd motor s \u00fa\u010dinnost\u00ed 68 procent dod\u00e1 ventil\u00e1toru 15,0 kW a pl\u00fdtv\u00e1 7,0 kW. P\u0159i stejn\u00e9m v\u00fdkonu ventil\u00e1toru (9,9 kW) odeb\u00edr\u00e1 dvoustup\u0148ov\u00fd p\u00e1r z motoru pouze 14,6 kW \u2013 co\u017e \u0161et\u0159\u00ed 7,4 kW vstupn\u00edho v\u00fdkonu. B\u011bhem 4 000 letn\u00edch hodin p\u0159i 0,12 USD za kWh: 7,4 \u00d7 4 000 \u00d7 0,12 = 3 552 USD za rok na v\u011b\u017e. Dvoustup\u0148ov\u00fd \u0161nekov\u00fd p\u0159evod stoj\u00ed p\u0159ibli\u017en\u011b o 50 a\u017e 80 USD v\u00edce ne\u017e jednor\u00e1zov\u00fd motor \u2013 doba n\u00e1vratnosti investice je m\u00e9n\u011b ne\u017e jeden t\u00fdden letn\u00edho provozu.<\/p>\n<\/details>\n

\nOt\u00e1zka: Jak dlouho obvykle vydr\u017e\u00ed \u0161nekov\u00e9 p\u0159evody pro vyt\u00e1p\u011bn\u00ed, v\u011btr\u00e1n\u00ed a klimatizaci?<\/summary>\n

\u0160nekov\u00e9 p\u0159evody aktu\u00e1tor\u016f klapek: 10 a\u017e 20 let. Lehk\u00fd provoz (15 a\u017e 50 N\u00b7m, p\u0159eru\u0161ovan\u00e9 polohov\u00e1n\u00ed) zp\u016fsobuje minim\u00e1ln\u00ed mechanick\u00e9 opot\u0159eben\u00ed. Omezuj\u00edc\u00edm faktorem je \u010dasto sp\u00ed\u0161e elektronika motoru aktu\u00e1toru nebo regul\u00e1toru ne\u017e samotn\u00fd p\u0159evod. \u0160nekov\u00e9 p\u0159evody ventil\u00e1tor\u016f chladic\u00edch v\u011b\u017e\u00ed: 8 a\u017e 15 let v z\u00e1vislosti na antikorozn\u00ed ochran\u011b. S pozinkovan\u00fdm \u0161nekem a \u0159\u00e1dnou ochranou proti zimn\u00edmu odstaven\u00ed: 8 a\u017e 10 let. S nerezov\u00fdm \u0161nekem 304 a \u0159\u00edzenou \u00fadr\u017ebou: 12 a\u017e 15 let. Omezuj\u00edc\u00edm faktorem je bronzov\u00e9 kolo \u2013 selh\u00e1n\u00ed t\u011bsn\u011bn\u00ed v\u00fdstupn\u00edho h\u0159\u00eddele (kter\u00e9 umo\u017e\u0148uje vniknut\u00ed vodn\u00ed mlhy) m\u016f\u017ee zkr\u00e1tit o\u010dek\u00e1vanou \u017eivotnost kola na polovinu v d\u016fsledku vniknut\u00ed korozivn\u00ed vlhkosti na kontaktn\u00ed plochy ozuben\u00e9ho kola. T\u011bsn\u011bn\u00ed z FKM p\u0159edstavuj\u00ed investici s nejvy\u0161\u0161\u00ed n\u00e1vratnost\u00ed investic do dlouhov\u011bkosti \u0161nekov\u00fdch p\u0159evod\u016f chladic\u00edch v\u011b\u017e\u00ed.<\/p>\n<\/details>\n<\/div>\n

<\/p>\n

Pohony klapek HVAC a pohony ventil\u00e1tor\u016f chladic\u00edch v\u011b\u017e\u00ed p\u0159edstavuj\u00ed dva opa\u010dn\u00e9 profily zat\u00ed\u017een\u00ed \u0161nekov\u00fdch p\u0159evod\u016f v r\u00e1mci stejn\u00e9ho ekosyst\u00e9mu budovy \u2013 p\u0159eru\u0161ovan\u00e9 polohov\u00e1n\u00ed versus sez\u00f3nn\u00ed nep\u0159etr\u017eit\u00e9 rotace. Mapa sez\u00f3nn\u00edho profilu zat\u00ed\u017een\u00ed ur\u010duje p\u0159\u00edstup ke specifikaci: letn\u00ed \u0161pi\u010dka ur\u010duje tepeln\u00fd v\u00fdkon, mezisez\u00f3nn\u00ed obdob\u00ed poskytuj\u00ed obdob\u00ed \u00fadr\u017eby a zimn\u00ed odst\u00e1vka zav\u00e1d\u00ed po\u017eadavky na \u0159\u00edzen\u00ed klidov\u00e9ho stavu. Pohony ventil\u00e1tor\u016f chladic\u00edch v\u011b\u017e\u00ed v\u00fdrazn\u011b t\u011b\u017e\u00ed z 2stup\u0148ov\u00fdch \u0161nekov\u00fdch p\u0159evod\u016f (zv\u00fd\u0161en\u00ed \u00fa\u010dinnosti o v\u00edce ne\u017e 20 procentn\u00edch bod\u016f, n\u00e1vratnost energie do jednoho t\u00fddne), zat\u00edmco pohony klapek vy\u017eaduj\u00ed jednostup\u0148ov\u00e9 samosvorn\u00e9 uzam\u010den\u00ed, aby udr\u017eely lopatky v poloze proti tlaku vzduchu v potrub\u00ed. Materi\u00e1l t\u011bsn\u011bn\u00ed (FKM nam\u00edsto nitrilu) je rozhodnut\u00edm s nejv\u011bt\u0161\u00edm dopadem na specifikaci pohon\u016f ventil\u00e1tor\u016f chladic\u00edch v\u011b\u017e\u00ed \u2013 modernizace t\u011bsn\u011bn\u00ed o 12 USD za kus zabra\u0148uje \u00faniku oleje v \u0159\u00e1du tis\u00edc\u016f dolar\u016f, \u010di\u0161t\u011bn\u00ed fas\u00e1dy a zrychlen\u00e9mu opot\u0159eben\u00ed p\u0159evodovky.<\/p>\n

Pro v\u00fdrobce za\u0159\u00edzen\u00ed HVAC a stavebn\u00ed in\u017een\u00fdry na\u0161e technick\u00e9 odd\u011blen\u00ed mapuje sez\u00f3nn\u00ed profil a doporu\u010duje spr\u00e1vnou specifikaci \u0161nekov\u00fdch p\u0159evod\u016f pro aplikace s klapkami i ventil\u00e1tory. Standardn\u00ed katalog kompaktn\u00ed \u0161nekov\u00e9 p\u0159evodovky<\/a> Pokr\u00fdt velikosti pohon\u016f klapek s rozte\u010d\u00ed od 20 do 50 mm a velikosti pohon\u016f ventil\u00e1tor\u016f od 80 do 160 mm. P\u0159edlo\u017eit specifikaci pohonu HVAC s typem aplikace (klapka nebo ventil\u00e1tor), ro\u010dn\u00edm provozn\u00edm profilem a instala\u010dn\u00edm prost\u0159ed\u00edm.<\/p>\n

<\/p>\n

\n

Specifikujete p\u00e1ry \u0161nekov\u00fdch p\u0159evod\u016f pro za\u0159\u00edzen\u00ed HVAC nebo chladic\u00ed v\u011b\u017ee?<\/h3>\n

Za\u0161lete typ aplikace, velikost ventil\u00e1toru nebo klapky, ro\u010dn\u00ed provozn\u00ed hodiny a sez\u00f3nn\u00ed profil, m\u00edsto instalace (vnit\u0159n\u00ed\/venkovn\u00ed\/st\u0159e\u0161n\u00ed) a p\u0159\u00edpadn\u011b chemik\u00e1lie pro \u00fapravu chladic\u00ed vody. Zmapujeme profil zat\u00ed\u017een\u00ed a doporu\u010d\u00edme spr\u00e1vnou specifikaci.<\/p>\n

Vy\u017e\u00e1dejte si specifikaci pohonu HVAC \u2192<\/a><\/p>\n<\/div>\n

St\u0159iha\u010d: Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Korea Ever-Power \u00b7 Application Engineering Guide Worm and Worm Wheel for HVAC Damper and Cooling Tower Drives A commercial building HVAC system adjusts 48 motorised dampers hundreds of times per day \u2014 each adjustment a slow, precise 30-second rotation from one blade angle to another. A rooftop cooling tower fan turns continuously for 4,000 hours […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[2821],"tags":[],"class_list":["post-1362","post","type-post","status-publish","format-standard","hentry","category-worm-and-worm-wheel"],"_links":{"self":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts\/1362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/comments?post=1362"}],"version-history":[{"count":2,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts\/1362\/revisions"}],"predecessor-version":[{"id":1365,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts\/1362\/revisions\/1365"}],"wp:attachment":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/media?parent=1362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/categories?post=1362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/tags?post=1362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}