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Author Topic: ilang ampers na circuit breaker gagamitin  (Read 1005 times)
pinoycobra
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« on: March 06, 2010, 10:04:35 PM »

mga master pasensya na po hindi ako makakita sa anomang mga topik tungkol dito eh.
ano poba ang tamang aperahe ng breaker para sa 3/4 hp na air condition.
kailangan po ba na may sarili syang linya at hindi nakasama sa mga outlet at ilaw?
nasa 3rd floor po ako at maglalagay ng aircon, ang problema ko hindi naka bukod ang light at outlet sa breaker, ang main breaker panel ay nasa ground flr. 100A ang main naka branch ng 20 light 2nd flr/ 30A cu 2nd/flr  30A acu 2nd flr. tapos 30A 3rd flr light and cu.

kailangan ko ba na baguhin ang main at gawing 150A o mag dagdag nalang ako ng isa pang breaker sa panel dahil may bakanteng slot panaman ano po kaya ang dapat gawin?
salamat po
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« on: March 06, 2010, 10:04:35 PM »

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ahlburuto
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« Reply #1 on: March 06, 2010, 10:15:06 PM »

Dun ka na maglagay ng breaker sa empty slot ng panel. Lagay ka ng 30 amps. then awg 10 thhn cable ang batakin mo. lagyan mo ng grounding. Pag dating sa aircon, lagay ka pa ng disconnect switch o breaker na 20amps...
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« Reply #2 on: March 06, 2010, 10:19:45 PM »

sir try mo tingnan sa specs./sticker na nakadikit sa likod ng AirCon nyo. hanapin mo yung equivalent ng FLA (full load current) para po madetermine nyo kung ilang current ng AirCon nyo.

much possible nearest to the FLA value nung AirCon nyo yung Ampere-Trip ng gagamitin mong Circuit Breaker.

dapat din naka separate ang ACU sa mga Lighting at Power Load.

yung main Breaker naman try no munang gamitan ng Amp-Clameter yung present current load, tapos i add mo yung sa ikakabit mong AirCon, tingnan mo kung within the limit pa yung Main Circiut Breaker.

*total current load +125%.
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jacks
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« Reply #3 on: March 06, 2010, 11:40:51 PM »

Kung hindi naman heavy load dati mong load pwede ngang ilagay mo na lang dun sa empty slot ng CB panel then batakan mo nung wire na sabi ni sir ahlburuto then lagyan mo na rin ng 20AT CB malapit sa unit na may sariling lalagyan. Be sure na ilugar sa medyo mataas na lugar kung may maliit na bata sa inyo.
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pinoycobra
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« Reply #4 on: March 07, 2010, 04:37:56 PM »

sir try mo tingnan sa specs./sticker na nakadikit sa likod ng AirCon nyo. hanapin mo yung equivalent ng FLA (full load current) para po madetermine nyo kung ilang current ng AirCon nyo.

much possible nearest to the FLA value nung AirCon nyo yung Ampere-Trip ng gagamitin mong Circuit Breaker.

dapat din naka separate ang ACU sa mga Lighting at Power Load.

yung main Breaker naman try no munang gamitan ng Amp-Clameter yung present current load, tapos i add mo yung sa ikakabit mong AirCon, tingnan mo kung within the limit pa yung Main Circiut Breaker.

*total current load +125%.

salamat po mga masters pero wala akong  "Amp-Clameter" to see the current load.

pwede po kaya na maglagay nalang ako ng sariling breaker for the AirCon unit na deretso sa power source from the Meter.... meaning bypassing the 100A main CB.

ill setup a 30A CB near the main CB panel and install another 20A near the Aircon before the ACU outlet, using an #10AWG  for the wire.
okay po ba ito?

kaso....(hehehe)
papano ako tatap ng maganda sa  #8AWG main wire na pumasok from meter to 100A main CB? may ginagamit po ba dun para mahigpit at hindi madaling mag lose ang #10AWG na gagamitin ko para sa Aircon ko.

salamat po ulit sa mga payo nyo..hagang sa muling pakikinig
GOD BLESS PO
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n!xau xixo
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« Reply #5 on: March 07, 2010, 10:02:03 PM »

^pwede din po yan sir.

gamit ka ng terminal lugs para dun sa pagkakabit mo ng wire.
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pinoycobra
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« Reply #6 on: March 08, 2010, 10:39:49 AM »

salamat master xixo Smiley

#10AWG for Aircon line
#??AWG for ground line (ano po ang maganda #14 or #12AWG for grounding wire para sa Aircon)
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pete
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« Reply #7 on: March 08, 2010, 03:27:28 PM »

salamat master xixo Smiley

#10AWG for Aircon line
#??AWG for ground line (ano po ang maganda #14 or #12AWG for grounding wire para sa Aircon)
ground return lang naman yan #12awg mas maganda.
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rage3657
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« Reply #8 on: March 08, 2010, 04:23:37 PM »

@pinoycobra :
gamit ka solderless conecctor kung magtap ka sa exisiting wire, lalo na pag malaki na wire para sure connection. parang clamp un na brass may bolt panghigpit.
 
para sa ground wire, ang standard is one size smaller, tignan mo sa mga power cables ganun.
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ahlburuto
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« Reply #9 on: March 09, 2010, 07:45:44 AM »

Ilagay mo yung 30amps na CB after ng 100amps na main. Para meron kang isolation switch in case magkaroon ng trouble yung 30amps mo. Yung 20amps eh dun sa tabi ng ACU, Para naman to sa servising. Para hindi malayo ang CB na mag disconnect sa load. 12AWG ng grounding wire gamitin.

Yung 125% current load eh para sa computation ng load mo total. Since meron ka ng spare na butas dyan sa panel mo eh merong ginawa dyan ang dating nag design ng palugit sa load. Hindi mo na kelangang mag tap before sa main ng 30amps CB mo. Mas risky yun kasi mahirap mag splice ng live. Hindi mu rin mahigpitan ng ayos yun.

BR
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pinoycobra
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« Reply #10 on: March 21, 2010, 07:50:40 PM »

mga master maraming salamat sa mga payo nyo.
@rage3657
salamat sa payo mo, pero mahirap ilagay yung solderless conecctor sa live wire na makapal tsaka hindi ko mahila sa CB ko matigas at pagpinilit ko delekado madikit sa CB body.

@ahlburuto 
ty ganun nga ang ginawa ko, ginamit ko yung bakanteng slot ng CB ko at naglagay ako ng 30A after the 100A at 20A malapit sa ACU ko.
tungkol naman sa grd ko #14 na ang inilagay ko kasi nabili kona at naikabit kona nung mabasa ko yung post mo. anyways salamat ulit.

para naman sa mga masters na naunang nagpayo MABUHAY KAYO salamat at ika nga nila MORE POWER wag lang ma power Shock hehehe ingat sa mga ginagawang projects.
GOD BLESS po sa inyong lahat.
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ahlburuto
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« Reply #11 on: March 25, 2010, 09:39:53 AM »

Ok laang yung number 14 na grounding. Mas maigi kesa wala. Mabuti naman at natapos mu na.... Wink
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