Bien Pham Thi Cong DHKK

5/26/2018 Bien Pham Thi Cong DHKK

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I. GIA CNGCHTO

1. Gia cng chto ng gi :Ngun nggi cung cpcho cng trnh sc ch to theo tiu chun DW142 tixngckh.


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2. Chtocc nggp phn philnh :

Cng vic gia cng, ch tobnh cha v ng gp scthc hin trong nc binhng nh cung cpniting trong nc vckh chto

- Bnh cha v ng gp c ch to theo phngphp dng thp tmsau cun li v

tinhnh hn.- Cc bnh cha v ng gp c khi ch to theo qui phmVit Nam v m bo

c yu cu kthut ca cng trnh.Sau khi chto xong sc tin hnh thp lc

v c tin hnh kim nh biC QuanKimnh van ton ca Nh Nc.

3. Mng dndy in:

- c chto tiXngckh nh sn xut.

- Sau khi chtoxong sc ng gi bao b trckhi vnchuyn ncng trng.

4. Chto tin:

V tin sc chto ticc nh cung cptrong ncnh: REETECH, Sunlight.

3C v ch to theo tiu chun cng ngh tponSiemen cac.

II. QUI TRNH CHI TIT

QUI TRNH LPT HTHNG NGNC NNG & LNH

1. Sccu t chcnhn s lpt


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2. Scngvic lpt v cch nhit.

3. Bin php thi cng (Sn chng gtrc khi lp t):

a) Vnchuyn ngnkhu vcthi cng bngxe nng.

b) Kim tra,xc nh vtr lptng,phkin,kch thcng theo bn vthi cngc ph duyt.

c.Lp tng v ph kin :

* Ctng:

- ng thp c ctbng bngmy ctst

o i ving< 250mmsc ctbng my ctviloi a kim loi.

o ivinhng ng> 250mmsc ctbng nOxy vAcetylen(Oxy acetylene).

- ng ctphi vung gc vitm ng.


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- Lm sch vtct,khng mt ca bm vo mt trong v mt ngoi ca ng.

- Trc khi ni ng phi kim tra chc chn khng c vt l bn trong ng, lmsch mt ca, rc, du m& song phe ng gc sao cho ngtiu chuniuho rimirp.

- Khi tmdng cng vic thi cng ng ng, phibt u ng li trnh cc vt

l lt vo trong ng.* Lp tngving ,ng viphkinphngphp ren: iving thp c

ngknh nhhn 65mm :

a.Gia cng ren :

- Ren ngbng my gia cng ren c .0gnbphn tng nh kch thc.

- Ct thng gc vi tm ng, ct dn v u sao cho lpctc trn lng.Tutheo tng loi ngm vt u mt trong caung.

- Cho lng du ct thch hp hoc cho du chy u vo b phn ct. Khi

du bimu do b lnnc vo th cnphithay dumi.

- Khi rng b lilm th phithay lita r.

- Xc nhn chiu di phn ren

- Khi btu to ren hoc gia cng th lc thay i, dng cso (ring gauge)sao cho u ng vo ng gia ca cso v iu chnh my to ren.

- Trc khi lp ng, phi kim tra v lm schdu ct, nc, bi m vo ren,bn trong nghocmtctng.

- Khi ni ren, dng 1 lngva mt lngsnphln bmt (khng dng btmattit hocvi).

- Khi vn, dng tay vn ren ri sau dng km sit ng thch hp vingknh cang v vn cht li (thao tc theo ngqui nh).

- Sau khi niren dng sn ph ln cc ren dv ducakmsitng.

b.Vnren :

- Dng bxy bi ln ton bmt ren, khng c dng qu lng cnthit.i viren mttrong th bi n ren th2 hoc3.

- Bngkeo hi c dng cho ng cngknh di50mm.

* Ktnibng phngphp hn (i ving c DN 350):

hn ni ng dng phngphp hn hquang tay v que hn do nh cungcpngcp

Th tcc bc tin hnh nh sau:

Cng tc chun b:

ng trc khi a vo v tr hn cvt mp cc u bng m ct ng

Oxyaxtylen sau dng my mi cm tay mi sch lpoxit do qu trnh ctto ra.Trong qu trnh vt mp cng nhqu trnh hn cn b tr cc tmchn bng kimloi trnh hin tng tia la hn bn vo lpbon ca ng gy hhi, ng


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thi gia lpbo n ca ng v tm chn phi qun gi t lm gim nhit ca ng khi

hn, gi lun c gim sao cho nhit ca ng


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ng c ct bng my ct li thp i vi ng c 250 vacetylene vi ng co250 .

- theo kch thc chiu di ph hp.

- Vsinh mict bngmymi tay v vt gc .

- Hn ktningvo mtbt vimi hn lptrong v mi hn lpngoi.

- Ni ng c hn mt bch vo cc van bng cch lp vo gia mi ni giongph hp, lpbulon c long n vo cc lmt bch , sitbulon t t tng cp idin nhau, v kim tra li hai mt bch khng b vnh; khe h gia hai mtbch phiunhau.

*Quy trnh vsinh ng ngtrc khi th p

Ton btuyn ng v mi hn trc khi thp lc phi c vsinh v phi ccn bkthut c chcnng kim tra viquy trnh nghim ngt

Trc khi th p cn lm th tcv mi idin ca ban qun l d n

(PMB), T vn gim st (PMC) nkim tra, nghimthu.* Th p lcng ng(bngnc):

- Sau khi ngc lptxong th tin hnh thp sut.

- MiBnA v Chu T chng kin thp lc.

- Bmnc vo y ng ng v bmtopnng p ln n gi tr p yu cu,p sut cn thbng 1.5 ln p sutlm viccang ng.

- Gi p trong ng ngvithigian 12 gi.

- Kimtra th p lcng ng.*Quy trnh xc xc ng ngsau khi thp v avo vnhnh

Sau khi ng ngc thp xong v trc khi avo vnhnh cntin hnh xc rang ngbngcch.

-Dng ho cht Tandex270 loi ho cht chuyn dng ty cu cn bm bn trongng ng v pha vinc c hm lng theo hng dn ca nh cung cp sau dng bm bm tun hon lin tc 24h sau x ton bphn nc trong ng ratip bmnc sch vo v cng tin hnh bm lin tc cho ti khi xsch ton b

cu cnv ho cht trong ng ng.-Sau khi xc xc ta tinhnh cho nc vo v tin hnh vn hnh hthng.

* Bc cch nhit ng:

Bc cch nhit bngvtliuAEROFLEX v bc lpchng chy bn ngoi i khuvcchng chy vtliutole trng kmchu la.

- Sau khi ngc trin khai v lp xong,th tin hnhbc cch nhit (Chanhng mihn).


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- Trckhi cch nhit ngphic vsinh sch s

- Lpcch nhit phingkch cng(Khngc lnhoc nhhn)

- Bmt tip xc gia ngv lpcch nhit phi c bi mt lpkeo (Keo chungdng cho cch nhit)

- Cc im nicacch nhit phi c qun lpbng keo chuyn dng

- Sau khi cch nhit xong th mitin hnh bc lpchng chy (ivikhu vcchng chy)

- Sau khi th p lc xong th tin hnh bc cch nhit cc mi hn vcc phkintrn ngng.

LPT HTHNGBMNCNNG & NCLNH

1. Sccu tchc nhn s lpt bm.


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2. Scngvic lpt:

3. Binphp thi cng chi tit:

- Vnchuyn bm nkhu vcthi cng bngxe nng

- Xc nh vtr lptbm theo bn vthi cng c duyt.- Kimtra, vsinh bm trckhi lprp.

- Tin hnh lptbm (xem bngbn di)


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Mc Ni dung cng vic Tiu chun kthut Ti liu kthut

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nh du v tr v phn loibm

Kim tra vtr, kch thc vhnh dng hnh hc ca nnmng bm

Vsinh v lm du vtr cann mng bm

Lp t bm v bchng

rung

Kim tra v iu chnh vtrbm.

Vsinh v ng gi bm

Kt ni ng nc v ng in

- Bmt nn mng bmphi bng phng

- Tt ccc mi ni bnngoi ca bm phi phhp vi bn v

-Vic lp t c thc hinbi i ng cng nhn,k snhiu kinh nghim.

- Xc nh chng loiv vtr lp t ca bchngrung

- Tm kim loi ca bchngrung phi c lp trctip vo cht trn nn mngbm

- Tm kim loi ca bchngrung phi c lp vo

cht neo trn nn mngbm

- Cnh ca bm xoaytdo

- Tt cbchng rung trng thi ng yn tdov n nh

- Sdng ni lng btbung bm mi

- Nhng ng nccni vi bm philFlexible

- Vsinh ng nc trckhi kt ni vi ng v phkin

- Tt ccc mi hn phi cvsinh v sn pht.

- Bn vshop

- Ti liu kthut

- Bchng rung


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- Sdng ng mm nicp in vibm

- Khng tngnctrctip vo bm

- Bin bnnghim thu vbn giao lptbm.

8

Kimtra v iuchnhcngvic ning

9

Bn giao cho nhn vin kimtra

BINPHP LPTMY CP LNH(CHILLER) :

1. Sccu t chcnhn s lpt.


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2. Scngvic lpt.

3. Binphp thi cng:

a) Vnchuyn my cplnh nkhu vcthi cng bngxe cu(ti trng20 tn)

b) Xc nh vtr lptmy cplnh theo bn vthi cng c duyt.

c) Kimtra,vsinh my cplnh trckhi lprp.d) Tin hnh lptmy cplnh(Xem bngbn di)


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STT Ni dung cng vic Yu cu kthut Ti liu kthut lin quan

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1.1

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1.5

1.5.

1

1.5.

2

1.5.3

Cng vic lptChillerKim tra vtr, kch thchnh dng ca bchiller

Dn vsinh v ly duvtr chiller v bchngrung

Chunbnhnsvdng cthi cng

Chunbphngtin chuynchiller

Lp tchiller

Dng xe cuachiller tkho cngtrng n phngmy

Sdng rngrc a chiller vo vtrlp t

Tho dbao b chillerv lp bchngrung

Vsinh bao b

- nghingmt phng cab


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2.1

2.2

2.

3

3.

4.

Ni ng nc

Niudyngun

Kim tra v iu ch nhcng vicuni

iu chnh vtr chiller

Bn giao

vt lvo chiller- Cc mihnphi c

sn mt lpbo v- Tt cmihn ukhng r- Khng clpngtrc tip vomy

-

Sdngngin mmni votin chiller

- iu chnh rung, nghing ca chiller phi nhhn 1/1400

- Nghim thu cng vic lpt

BINPHP LP TMY CPNHIT (HEAT PUMP) :



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2. Scngvic lpt:


- Vnchuyn my cpnhit nvtr thi cng bngxe cu(titrng 25 tn)

- Xc nh vtr lptmy cpnhittheo bn vthi cng.

- Kimtra, vsinh my cpnhit trckhi lprp.

- Tin hnh lptmy cpnhit(Xem bngbn di)


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Mc NI DUNG CNG VIC TIU CHUNKTHUT TI LIU KTHUT

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nh du vtr v phn loimycpnh it

Kim tra vtr, kch thc

v hnh dnghnh hccann mngmycpnhit

Vsinh v lmdu vtr cannmngmy cpnhit

Lp tmycpnhitv bchngrung

Kim tra v iu chnh vtrmycpnh it.

Vsinh v ng gi mycpnhit

Kt ni ngnc vngin

Kim tra v iu chnhcng vic ni ng

- Bmt nnmng my cpnhitphibngphng

-Vic lp t c thc hin

bi i ng cng nhn,k snhiu kinh nghim.

- Tt cccmini bnngoicamycpnhit phiphhp vibnv

- Xc nh chng loi v v

tr lp tcabchngrung

- Tm kim loi ca bchngrung phi clp trc tip vo cht trnnn mngmycpnhit

- Tm kim loi ca bchng rung phi clp vo chtneo trnnnmngmycpnhit

- Tt cbchng rung trng thing yn tdo v nnh

- Bao bcli my cpnhit sau khi lp t xong

- Vsinh ngnc trckhi gnvomycpnh it

- Tt cccmihnphicvsinh v snpht.

- Tt cccmini inphi buc cht

- Sdngngmm ni

giangvimycp

- Bnvshop- Ti liu k thut- Bchng rung

-


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BINPHP LPTTHITBPHN PHIGI(AHU :



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2. Scngvic lpt:


- VnchuynAHU nvtr thi cng bngxe nng (ti trng5 tn)

- Xc nh vtr tngchng loiAHU cn lp cc thng skthutv chng loi phi ph

hp bnvthi cng c duyt.- Kimtra, vsinh AHU trckhi lprp.

- Tin hnh lptAHU (Xem bngbn di)


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Ni Dung Cng Vic Yu Cu KThut Ti Liu K.ThutLin quan

nh du vtr AHU cn lp t.

ChuynAHU n vtr cn Lpt

Lp tAHU

Vsinh v bao bcAHUCng tc u ni.(ng gi,ngnc,ng in)

Lp t v u ni ng nc x.

Kim tra v iu chnh AHU

Bn giao lp tAHU

- Tt cnhng u ni ra v

ca ng nc v ng giAHUphi tng thch vi bn vv thit b.

-Vic lp t c thc hinbi i ng cng nhn,k snhiu kinh nghim.-- Khu vc thi cng phi bo

m an ton- BtAHU phi phng v

ngkch thc.- Lp chng rung bng nhng

tm cao su dy 20mm v cn hi tt

- Khong thng thong xungquanh phi rng bo trbo dng sau ny.

- Phi tin hnh cn chnh phng caAHU trc khi kt

ni vi ng nc,nggi v ng nc ngng

- Cho cnh qut caAHUquay tdo kim tra xemc b kt khng.

- Ong thot nc ngng caAHU c dc 1% vhngng nc x.

- Cc mi hn hoc ren kt nigia thit bvi ng nc phi

lm sch v sn bo v.- Cc mi ni in phi sit cht- Ong gi ni voAHU phi

thng qua ng ni mm.Hpgi hi phi c ca thm bo tr,sa cha

- Cc im ni gia ng gi vAHU phi dng silicon bikn.

- ng nc ngng phi c

Bn vthi cng. Tiliu

kthut cataloguesca thit b.


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dc1% vpha ng ncx.

- Lpbyncngng-Bin bnxc nhnhon thnhcng vic lpt

BINPHP LP TFCU :


2. Scngvic lpt:


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- VnFCU,UCF nkhu vc lpt bngxe nng (ti trng1 tn)

- Xc nh vtr v chng loi FCU,UCF theo ng bnvthi cng c duyt.

- Kimtra, vsinh FCU,UCF trckhi lpt.

- Tin hnh lptFCU,UCF (Xem bngbn di)


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Ni Dung Cng Vic Yu Cu KThut Ti Liu K.ThutLQuan

nh du vtr FCU,UCF cnlp t.

Chuyn FCU,UCF n vtr cnLp t

Lp t FCU,UCF

V sinh v bao bc FCU,UCFCng tc u ni.(ng gi,ngnc,ng in)

Lp t mng xph v u ning nc x.

Kim tra v iu chnhFCU,UCF

Bn giao cng vic lp tFCU,UCF.

- Tt cnhng u ni ra,voca ng nc,ng gi v ngnc ngng FCU,UCF phitng thch vi bn v

-Vic lp t c thc hin bii ngcng nhn,ksnhiukinh nghim.-- Ty treo phi thng v ng

kch thc i FCU.Cn UCFth bmt lp t phi bngphng.

- Dng cao su dy 10mm lm gim rung gia UCF v bmt tip xc nh sn nh hocbmng t UCF

- m bo mng nc ngngca FCU,UCF c dc 1%vhng ng nc x.

- Sdng thng nylon baobc sau khi lp FCU v UCF.

- Cc mi hn (nu c) hocren i vi ng nc v ph

kin phi lm sch v sn bov.- Cc mi ni in phi sit cht- Ong gi ni vo FCU, phi

thng qua ng mm.Hp gihi phi c ca thm botr,sa cha.

- Tt ccc ming gi vi thitbphi c bi kn bngsilicon.

- Mng xph phi c dc 1%vpha ng nc x.

- By nc x(nu c) c dngchU

- Sau khi iu chnh mi tytreophi c sit cht bnghai con aitrnh hintng t tho(i vi FCU)

-Bin bn xc nhn hon thnh

cng vic lp t

Bn vthi cng. Tiliu kthutcatalogues thit b.


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BINPHP LPTQUT :


2. Scngvic lpt:


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- Vnchuyn qut nkhu vcthi cng bngxe nng (titrng 1 tn)

- Xc nh vtr lpt,v cc thng skthut caqut ngtheo bn vthi cng.

- Kimtra, vsinh qutkhi lpt.

- Tinhnh lptqut (Xem bngbn di)


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Stt Ni Dung Cng Vic Yu Cu KThut Ti Liu K.Thut LinQuan

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Xc nh vtr v loi qut cnlp.

nh du vtr lp qut ,kim tra vtr ,kch thc v hnh dng caqut

Vn chuyn qut tkho cngtrng n vtr lp t.

Lp ty treo v bchng rung.

Lp t qut.

Kim tra v iu chnh vtrqut.

Vsinh v bao bc qut.

Cng vic u ni ng gi vin.

Kim tra v iu chnh cng tcu ni.Bn giao cng vic lp t qut.

- Hng v vtr u ni phi

thch hp vi ng gi c lp t.- Xc nh loi v vtr lp t

ca bchng rung.- Bao bc bo vqut trc

khi vn chuyn.

-Vic lp t c thc hin bii ngcng nhn,ksnhiukinh nghim.-- Xung quanh khu vc

lm vic phi c vnh aian ton v bin bo.

- Ty treo phi thng.- m bo bchng rung phi

ng tdo v n nh.- Bchng rung phi chu

c ti trng ca qut.

- Tt ccc bmt ca qutphi phng.

- Vtr v cao cng nhkch thc phi ph hp vicc ng gi lp t.

- Sau khi iu chnh cao tytreo phi c xit bng haicon aic trnh hintng ttho.

- Quay cnh qut tdo kim

tra xem c bkt khng- Sdng ni lng tm bao

bc qut- Trc khi kt ni vi ng gi

phi kim tra xem trongbung qut c vt l gkhng

- Tt cng gi ni n qutphi thng qua ng mm.

- Tt cmi ni in phi sitcht.- Tt cmi ni ng gi phi

c lm kn bng silicon.

bn vthi cng,ti liucatalogues thit b


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- Sdng ng in mm ninmotor qut

-Bin bnxc nhnhon thnhcng vic lpt.

BIN PHP LPT HNGGI :1.Nidung cng vic:

Lp ththng thng gi v thot khi.

2.Phmvi cngvic:

Cng vicc tin hnhtheo tin v bn vthi cng c duyt. Tun thcc tiu

chunc qui nhtrong hsmithu,cc cng vicbao gm: nggi ti,gi thi, gi

tun hi, gi cpv cc ng gi khu vcchu la.

3.Ti liulin quan:

- Bn vc chp thun.

- Vttc chp nhn.



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5. Scngvic lpt:


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6.Phngphp theo cc bc trnh t:

- nh vtuyn ngtheo bn vthi cng c duyt v lpt gi .

- Vnchuyn ng gi tkho cng trnh nni lpt.

- Bo n nggi, cch nhit chng chy.

- Kimtra, vsinh nggi trc khi lprp.

- Lp tng gi trn gi theo ng bnvthi cng.

- Kt nicc ng gi vinhau.

- Nghimthu.


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7.Lpt

Trong phn lptdo s lngng gi lnv vychyu dng cc thit bchuyn dng

nng nggi, cch m, cc van vo vtr theo bn vduyt.

7.1.Chuyn v nng nggi :

- nggi c chuyn nvtr thi cng bngxe nng hoc cc phng php thcng.

- Nng ng gi avo vtr lptbngthitbnng chuyn dng SLA- 15,

SAL-25, rng rc, palng hocthcng.

7.2.Bo n v cch nhitchngchyng gi :

- Vsinh sch bmtnggi.

- Bi keo ln mtinh, tinhnh dn inhln ng gi vikhong cch gia cc

inh vinhau l 300 mm, thigian keo kh 12 gi.

- Ctlen cch nhit theo kch thc nggi, len cch nhit lm bngsi thu tinh

c lpbc ph ngoi.

- Dn len cch nhit ln nggi , len cch nhitghim vo inh dn trn mt

thnh nggi, bcong inh v c gicht bng vng m ( washer) .

- Ch ghp bng thp gc sc bc cch nhit sau khi ng gi ktni vi

nhau.

- Cc vng chu chy bc thm vtliuchng chy Promatect-L500, dy

35mm.

7.3.Kt ning gi vinggi(ktninggi bng mtbch thp gc) :

7.3.1Kt ninggibngmtbch thp gc

- nh v v tinhnh ghp ni.- Mi ghp nggi c dn ln 1 lpjoint (self adhesive elastomeric foam

gasket tape) dy2-4 mm.

- 4 gc nggi c btcht bi4 bulon v xt silicon 4 gc.

7.3.2 Kt ninggibngmtbch dngTDC v TDF

- nh v v tinhnh ghp ni.

- Mi ghp nggi c dn ln 1 lpjoint (self adhesive elastomeric foam




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- Dng npTDC v TDF ci 2 mtbch li vinhau, khongcch gia2 np l

150mm

7.3.3 Kt ninggi bng mtbch bngdng npC.

- nh v v tin hnh ghp ni

- Dng npC (di tng ng vi4 cnhcanggi) ghp 2 u ng gi li vinhau, sau xt Silicon xung quanh npC.

7.3.4 Kt ninggi bng mtbch bngdng npC.


- Dng mng sng ktni2 u ng li vinhau.

- Khoan lrt rive gia2 ungvimng sng.

- Xtsilicon xung quanh mngsng.

7.4.Kt ning gi vinimm(flexible joint) :


- Ct tn dy0.6mm lm np 30mm x 0.6mm c chiu di ngvikch thc

chu vi cang gi cnktni.

- Khoan l rt ri v (rivet) gianp, ngnimm v ng gi.

- Xtsilicon xung quanh.

7.5.Kt ning gi mmvihp ming gi


- nggi mm ktnihpming gi cbngnp 20mm x 0.6mm c chiu

di ngvikch thcchu vi ng gi mm.

- Sitchtaicnp p cht ng gi mm vo thnh hpgi.

7.6.Kt ning gi vivan iuchnhlulng,van ngn la,van 1 chiu:






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7.7.Kt ninggi viph kin co, gimcp(Tng tnhktning

gi).



gasket tape) dy2-4 mm.- 4 gc nggi c btcht bi4 bulon v xt silicon 4 gc.

7.8.Lpmiht(louver) v hpgom gi (plenum box) vitng :

- Louver c btvo bmtngoi tricatng :

+ Lydu4 gc ca louver ng tcknha.

+ Btlouver vo tng bngvt xoy.

+ Xtsilicon xung quanh louver.

- Plenum box c btvo mttrong catng :

+ Plenum box a ln gi v lopening catng.

+ Giaplenum box v tng gibng tn L 30x25x1mm.

+ Tn L vitng khoan ng tcknha v bt vt xoy.

+ Phn tn L viplenum box khoan lrt ri v.

+ Xung quanh tn L xtsilicon.

7.9.Kt nica gi ving gi :

+ Lydu4 gc caming gi.

+ Khoan v ng tc k sau lp ty vo.

+ Kt nigia cagi vnggi bng ngnimm.

+ Dng dy kmsitchtphn tipngmm ving gi.Sau dng bngkeo bc dn liim tipxc.

7.10.Hnh v:

7.10.1

Hnh 1 (Bon ng gi)


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7.10.2

Hnh 3 . Ning gi vinimm


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Hnh 4 ( Ni ng gi mm vi ca giv VD )

Hnh 5. Ninggi bng mt bch thp gc


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Hnh 6. Gi treo nggi

Kiu1: Ty ren sut nigintip visn b tng

7.11.Thx nggi.

Phngphp thx ng ng gi p dng theo tiu chun DW/ 143( Xem tiu chun nh

km): Dng nylon bt kn cc u ch ca ng gi, phn ng gi c bo n phi cha li cc mt

bch (mi ni ng) bo n sau khi th x, cn phn thn ng bo n trc ri lp t ng ng

tng ihon chnh thx.


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BINPHP LPTHIN(MNG IN,TIN, DYIN)



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2. Scngvic lpthin:

3. Bin php thi cng chi tit:

a. Qui nhchung:

1. Mu cp:

o Mu cc pha dnthng thng: , xanh , vng.

o

Mu cho dy trung tn: en.o Mu cho dy tipa an ton : xanh/vng,hocc th dng xanh l.

2. Dy cp inphic spxp,nhdutheo tuynr rng dbo tr.

3. Dng dy rt cp gicp.


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b.Qui trnh lpt:

- nh du bng mc pht quang hoc mc c mu sc tng phn vi tng,trn,sn nh.

- Lp ththng gi cho hng dncp.

- Lpththng ng dncp. Cn chnh theo cao v cnh chc chn.Kim tra v lm v sinh bn trong h ng dn cp chc chn rng b mtko cp v dy in l trnnhn. Vic lptcc co khu, ng r,gim cp cahthng khay cp, thang cp, mng cp phi tun thqui nh vbn knh cong tithiu vicko cp v dy in c ddng.

- i vih thng dn dy in bng ng uPVC, cn phi sdng keo dn ccmi ghp ni khi chn trong sn b-tng hoc t m trong tng. Cc co, khuphi c gc un nh hn45 , trong trng hp cn phi t gc un ln hn,cn phi un ng nhiu im khc nhau trn ng. Tng s lng cc gc un

phi nhhn 3 gc 90 gia 2 imra dy.- Tin hnh ko dy v cp theo tngph ti v sp xp c th t trong mng cp,

khay cp, trnh trng hp chng cho hocxonvo nhau.

c. Quy cch lptdy cp in:

Lp t trn thang cp : (Tham kho hnh bn di)


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Lpttrong mng dnin.

Lpttrong ngin (nihoc m)


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Sau khi lp t dy cp:

- Nht thit phi o tr s in tr cch in v tnh thng mchca dy v cp trckhi thc hinvicunidyvo thit b v tin.

- V sinh v y kn hthng ng dn cp ccnic ngi xm nhp v cc trcngxuyn tng.

Lp tin:

- nh du v tr lp t tin v cc ng cp vo/ ra tin trn mtbng bngmc pht quang hoc loi mc c mu sc tngphn vimu sc ca tng vsn nh.

- bmng cho cc tin t trn sn vi kch thcthch hp.

- Thc hinvickhoan v lp t h thng gi cho hthng ng dn cp vo /ra t.

- Lp th thng ng dncp v cn chnh theo cao qui nh trong bn v.

- Kim tra s ph hp theo catalogue v n t hng ca tin khi n cvnchuyn ncng trng.

- Vnchuyn tin n ni lptbng phng php thch hp:

- i vi tin t trn sn, dng cc phng tin nh con ln, thanh ray, xecncu,xe nng, tiko, con i,...

- i vi tin loi treo tng, thng l c kch thc nh v trng lng b nnc th dng xe nng, gi ,scngi, ... lptvo vtr.

- Lp tcnh tv kt ni h ng dn cp vit.- Lm vsinh bn trong v bn ngoi t.

- o tr s in tr cch in v tnh thng mchca cc ng dy in v cpin trc khi tin hnh u ni vo t.Ghi li cc tr soc vo cc biu muc ban hnh.

- Thc hinvicunicp v dy in.

Sau khi lp t:

- Dng my ht bi, my thikh nn lm vsinh t.Kim tra limt ln na cc mi ni

vcng chc cabu-lon, cch in caucp, musc v bng s nhducp.

- Bao che tinchngbibmv va chmchc.

4.u ni vi tin v thitb:

a. Kimtra dy:

- Kimtra cch incady.

- Kimtra thng mch.

b. Kimtra tin v thitb:


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- Kimtra cch in ca t

- Kimtra cch incathitb.

c. a cp vo tv thitb:

- Sau khi kimtra,ct cp va u ni vo v tr

- Dng chp unicp c mu ph hp lun vo cp nhdu.

- Dng u ni cp ph hp u vo cp(vi cp c tit dinlnhn hoc bng50mm2 th phidng kim bm thu lc.

- Sau khi xong cng tc nh du,bm uni cpuvo tvthitb,phi bom lc xit u u ni tip xc ttv chcchnvo thanh dnin ca thocthitb.

d.Sau khi uni:

- Kimtra licng vicunikhng xyra nhm lngiacc pha.

III. HIUCHNHOHTHNGHKKTHNG GICPNHIT

HIUCHNHOCHTHNG

Scng vichiuchnh-o c.


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1. Giithiu :

- Mc tiu cavicahthng vo hot ng nhm mbovic lptcc thitbhot ngngtheo cc yu cu cac im kthut thitk.

- Hot nghthng c khng nh nh l bc tip theo cavic lptt giaion hon tt cc thit bncc vic khc tho mn cc yu cucbit. Vic nybao gm cvic ci thot ng v cn bng hthng.

- Trong khi cng vic kim tra khi chy thgm vic nh gi hiu quhot ngcamththng ang cavo hot ng.

- Cnthitphighi nhn li ktqu ca ttccc bc kim tra v oc.Qu trnhavo hotngc thbtm ngng, cn phighi nhny tnh trng hotng lc .iu rtquan trngl cn thit phi cung cp hstrong qu trnh chythnh l mtphn cathng tin bn giao.

- Vicavo hot ng v kim tra chy tht hiu qucnmt thtc c lpkhoch mt cch klng v c h thng v th tc ny phi do ing giiv c kinh

nghim thc hin;philplch trnh ttccc hot ng gm c stchc, cc thitboccn chnhv vic iu hnh cc cng vic thc t.Cc cng vic chun bgm ccng vic lpkhoch v lnlch ttccc thtc, vic thu thp cc sliu cnthit, vic xem xt cc sliu c chn, nghin cuhthng shot ng, chun bvthchinsbcc kimtra cng trng.

- Khng c mt th tc chythno c p dng cho tt c cc h thng khc nhau.Tuy nhin c mtiuc thngnhtl h thng gi c thchinu tin, sau n hthng nc v cui cng l h thnggas.

2. Thtc trc tin:

2.1. Nhn v nghin cu cc bn vthit k, cc c tnh k thut;phi hiu r tngtn thit k

2.2. Nhn cc bnvtrin khai chi titc chpthun

2.3. So snh cc hthng thit kvihthng lpt

2.4. Kim tra thc tti cng trng xem to nh v h thng c c hon tt theongkin trc, c, in v p ngchc nng cn chnh c hay khng.

2.5.

Chun bbnbo co kim tra khi chy th2.6. ddng trong vicbo co, nn chun bbnvsnguyn l h thng, bnv

hon cng mt bng btr ng nggi, ngnc.

3. Thit bo :

Nhng thit btithiu cnphicn phi c cho qu trnh kimtra thnghim:

3.1. Dng cop sut (dy thang onhc hiuchun khng di 1Pa)

3.2. Dng cop sutloivch nghing v ng c thang ot0-2500 Pa

3.3. ngPitot c chiu di theo yu cu

3.4. Dng cotc quay


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o)

3.5. Dng codng in v in p

3.6. Dng cotcgi loi chong chng

3.7. Dng cotcgi loi cmbin nhit

3.8. Dng colulngc chpgom gi

3.9. Dng conhit loi trn v loi que

3.10. Dng cocch in

3.11. Dng cop sutnc

3.12. Dng cocn chnh lulng nc

3.13. Thit boting n

Ttccc dng c phi c hiu chun trc khi sdng(xem danh sch thit b

4. Qui trnh thnghim :Cng tc kim tra thnghim phibin son v thc hinbao gm:

- Qui trnh cn chnh hthng phn phigi

- Qui trnh cn chnh hphn phinc

- Qui trnh thnghimAHU

- Qui trnh thnghimFCU

- Qui trnh thnghim my cplnh

- Qui trnh thnghim my cpnhit

- Qui trnh thnghimbm nc

- Qui trnh thnghim Qut thng gi

5. Chp thun v bn giao :

Giai on cuitrong ton b tintrnh l schp thunvtip nhn shu h thng cangi sdng.

a. Hng gi

Cc bckim tra

- Kimtra hthng

+ Kim tra tnh trng hthngcc u ni vo dn lnh, cc blc, cc vaniu chnh gi, cc van chng chy lan v..v c lp t ng cch, ng vtr cn thit v ng chc nng khng

+ Chun b cc bn bo co qu trnh kim tra thnghimcho cqut vccvan chng chy lan, ming gi, thu thp cc thng sv th tc kimtra

thnghimcnhsnxutkhuyn co thc hin


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+ Quyt nhv tr tt nht trn ng gi chnh v ng gi nhnh ochnh xc nht

+ attccc van chnh gi vvtr mton b

+ Kimtra cc thit bcv in

+ Kim tra qut: sch, chc chn ca cc cht kho, cnh qut b

truyn, qut, hpche chn, bcnh chnh gi vo+ Kim tra in: sch, bin php cch in cc b,chc chn ca cc

mi ni, ticu ch, mc qu ti,dy ng lc v dy iukhin, cch incamotor

- Khing:Kim tra trong lc kch hot bkhi ng ng cxem:

+ Chuyn ngquay caqut

+ nv rung ng

+ Dng khi ngngciu chnh thigian chuyn tip

+ Dng hot ngngcttccc pha

+ qu nhit v nt lang c

+ qu nhit cc , s r rcht bi trn

- Hotng:

+ Ban ukhing qut ti thp, ch khi t yu cumi khing qutch ti bnh thng v tip tc cho n khi qutchc chn hot ngu;kimtra cn bngng

Cn chnh giphngphp tl:

- Kimtra t xut cc ming gi xa v gnqut nhtxem smtcn bng cahthng

- Nuimxa nht c gi rt t v im gnnhtc girtnhiu th iu chnhcc van ng chnh, ngnhnh cn bng hp l hn.

- Btucn chnh thtscho ng ngdinht, c trlc lnnht,c tr s 2imxa nhtv cn theo t l thit k

-

c tr sim xa nht trn ng di nht v quyt nh phntrmthitk.Phn trm thitkl scc thtschia cho syu cu. V dnucc8 m/s v theo yu cu l 10 m/s th ta c80% thitk.Nuimxanhtthphn 60% thit kth iuchnhvan gi trn ngnhnh t cn70% hay 80% trsthit k.Volc ny khng c ng tivan iuchnh trn ming gi, ginguyn vtr m100%.

- c tr sim xa thhai. Nu trsny c t lphn trm thitkcao hn thng btvan gi gim xung mtnachnh lch vphntrmthit kca2im.

V d:nuimxa nht l 70% thit kv im xa thhai l 90% thitk, gimim thhai xung n80% v xem imxa thnht c tng ln 80% khng.Nu im thhai thphn im thnht thay v gimimhai th ta gim imthnht chai cng mtphn trm thit k.


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- Sau khi chai imxa nhtc cng mt phn trm thit kth itipim thba. c v iuchnhphntrmim thba sai bitt05% so vi haiimtrc.

- Chia chnh lch phn trm gia ba im lm ba phn. Gim 2/3 phn trmchnh lch gia im thba v im thnht. nh y l im thba cn li1/3 phn trmchnh lchv a2/3 phn trm chnh lchvhai

imtrc.- V v:Nu imIII l 95% thitk,chnh lchgiaim ny v hai im trc

(u l 80%) l 15%. Gimimba 2/3 phntrmchnh lchhay 10%, thay it 95% n85%. 10% gimistchia cho 2 im trcdo mi im snng ln t80% 85%.

- Kimtra xem imhai so vi lc uc thc stngln khong 5% khng.Nu khng, hy chnhimba licho ph hp.im cuikhng cnphi kimtra v t n sthay itng ng.

-

Thct l huhtlng khng kh sdchchuyn xui chiunhng mtphn nhcng sdi chuynngcchiuv vyphn trmthay iskhng hon thin v cthcnphichnh thm na.

+ Sau i tip im xa th t v chnh n khong 05% sai lch so vicc im trc. Khi chia chnh lch lm 4 v phn phimtphn gi li,ba phncho cc im trc.

+ Tin trnh thc hincho cc ming gi trn cng mt nhnh, cn chnh imsau sai bit cc im trc 05% bng cchphn phiiu chnh lch %giaim sau vcc im trc xa hn. Mi lnchcn kim tra mt im

c cn trc ,khng cn phi kim tra tt c cc im xa hn c cn, ngoitrtrng hp kim tra txutngunhin nunghi ng.

+ By gichng ta hy xem nh l tt c ming gi trn ng nhnh xa nht uc tl90% thit k.

+ Sau hy i tip nhnh xa th hai v cn chnh ng nhcch lm chonhnh u tin. Bt u thai im xa nht, cn hai im ny theo cngmt phn trm thit k. Cc im i sau cn sai lch trong vng 05%im cn ngay trc .

+ Lc ny xem nh nhnh xa nht th hai c 100% thit k. Sau hai nhnh xa nht c cc ming gi va c cn bng sc cn chnh mtln na chng c cng mt phn trm thit k, cch cn chnh ng nh lm cho hai im xa nht trn cng mt nhnh. Chia chnh lch phntrm giahai nhnh lm hai v nhnh xa th hai gim t100% xung cn95%. Kim tra mtming giinhnh trn nhnh xa nhtkia xem t lc tng ln 95% hay khng. Nu thy tng ng nh vy, khng cnphikim tra mtming gi no na biv chng ta xem nh mi ming gi ucthay ibng nhau theo thut ngphn trm thit k.

+ Sau khi hai nhnh cui c cng mtphn trm thit k,cc ming gi trnnhnh xa nht th ba ccn chnh t l mt ln na cng theo cchtrn. Sau ton bnhnh ny sc sai bit t05% so vi


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nhnh xa nht thhai. Xem xt mt ln na xem c ng t l nhvykhng bngcch kim tra txutmtming gi no .

+ Tin hnh tip tc nhnh th t, thnm,.v..v hng vpha qut. Cnchnh cc ming gi trn nhnh v ton bminhnh theo ming gi v nhnhngay trc .

+ Sau khi tt c cc ming gi v cc nhnh trong h thng c cnchnh theo tl, chng ta s thy rng chng c th c tr strung bnh thphn, bnghoccao hn tr s thit k. Cc tr s ny c th l 120%, 110%,100%, 90%, 80% hoc bt ksno nm trong khong hocngay c thphncc tr sny. Bt cc iu g chng nacngkhng sao c.Vn lnhvy, tt ccc ming gi v cc nhnh u tngxng nhau, nu lulngqutc cn phi tng hay gim th cng khng lm mtis cn bngh thng. Cc ming gi v cc nhnh s tng hoc gim nhanh tngxng theo qut.Ch cn kim tra t xut chng thc rng h thngkhng bmtcn bng.

- Bc cn bng cuicng mththng cp sut thp phc v chmtkhu vc lcn bngqut.c litrs lulng, dng inv ctp tnh, so snh lulngqutvict p lulngca ttccc mingra, iuchnh qut tnghocgimtheo thtc chung.

- Bc cui cng cathtccn bng hthng gi l hon tt cc bn kim tra thnghimv ghi tt ccc con ssau cng trong bnbo co.


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K. Tnghoc gim lulng qut theo yucu; kim tra t xut

MIXEDOA AIR

RA

I. Cn chnh theo tlgia ccming gi ra, sau cn tlnhnhny vinhnh trc

J. Tltrung bnhca nhnhl97% khngchnh

13 14 15 16

H. Tltrung bnhbtuca nhnhl110%, gimcn100%, nhnh 1,2stngln n100%

G. Ttcccimtrn nhnhuc cn bng theotl.

9 10 11 12

E. Tt c cc im trnnhnh u c cnbng theo t l.

F. Tr strung bnh ban u

l 100% chnh gim

xung cn 95%, nhnh

1 s tng ln n 95%.

Cng vi nhnh 1 tng

ln n

100% khi nhnh 3 gimxungcn 100%

5 6 7 8

D. Tr strung bnh ban ul90%, tng

ln n 95% khi nhnh 2 gim

cn 95%.Tng tip ln n100% (cngvi nhnh2) khi nhnh3 gimxung cn100%.


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1 2 3 4

A. Tsc utinl70% -90%. Gim im2 xung cn 80%im1 snngln80%

B. Tr sc l95% gim n85%, im1,2

snnglnthnh 85%

C. c ln u l105% gimn90% im1,2,3

snnglnthnh 85%

Phng php cn bng theo t lbt u bng 2 ming gi cp cuicng trn ng di nht v thchin theo cngphn trmthit k.Chnh mi minggi tip t0-5% ca ming gitrc trnnhnh. Theo cng cc tin trnh trn mi nhnh v cn ccnhnhvinhau cho n khi kt thc

b. Hng nc cp lnh v cpnhit :

1. TngQuan :

Cc h thng nc nn c cn bng theo lu lng o c trc tip mi v tr hn l theo tr sst mt p hay nhit c c m cc tr s nyc thlnln skhng chnh xc v nhiu l do khc nhau.


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Ni chung, vic cn bng hthng ncc thnh cng do cc tr sc lulng v p sut vcminh chng bi tng ngun trao i nhit s dngcc trsc nhit ncv gi.

1.1. Hai qu an im vviccn nc :

- Mtquan imxem xt h thng nc nh l mt my onc mi mycuingun c cung cpmtlulngchnh xc theo thitk.

- Quan im khc xem h thng ncnh l mt my trao inhit, miim cuingun chc cung cplulng trao inhit.

- Trong vic cn gi yu cu lng gi chnh xc hn bi v gi l thnh phnchnh yu trong vic lm mt hay si m. Vic gim lu lng gi gy rakhnng gim tituyntnh trctip.

- Trong khi lu lng nc li khng c quan h tuyn tnh vi ti nhitthit b, lu lngc th thay im vnt c yu cu tinhit. V l do

ny m i khi vic cn bng nc khng cn chnh xc nh cn gi cngmt mccn bng.

1.2. Ba phng php xc nh lulng :

- c trc tiplulng thc sbngcch dng dng co lu lng ncnh ngpi-t, dng concqua ming trn v.v

- Xc nh gin tip bng cch c chnh p qua cc thit b trong h thngnhmy lm lnh nc,van, dn v.vv kt hp vi sliu tng ngdo

nh snxut cung cp.- Xc nh gin tipbng cch ochnh nhit cacht lngqua thit b v

kthp visliu tng ngcanh snxut.

2. Qui trnh cn chnh nc:

- Chun b cc bn bo co vic kim tra thnghim; cc bn d liu thit b:bm,my lm lnh nc v.v, cc bng ny lit k lu lng nc, mtp, chnh nhit , v mi s liu c yu cu. Lit k lu lng v p sutcctrm(im)o.

- Kimtra sch hthng.

- Kim tra tnh trng hthng: univo dn lnh, blc, van iu khin, khpnivan iukhinv.vKhngnh l h thng c kimtra p lc, ngunnc lin tc c nivo, hthng x l nc c sn nu c chr.

- Tin hnh xc rahthng:

+ Chia h thng thnh cc onc th t x nc c kt qu xc rat c tia.

+ Cch ly cc bphn c bit b nh hng do bm bn nhbm,cc dnv cc ngnh.


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- Cp y nc vo h thng. Kim tra mc nc trong bnh gin n c mcph hp cha.X kh. Nukhng kh v cc kh khc khng c x ht khih thng ng, chng c th tn ngtrong cc thit b lm tc nghn lunncv c th gy ndo khng kh trong ng.

- Kimtra cc van iukhinanghot ng v ci t theo lulngthit k,nu c sdngvan t ng 3 ng, ci t tt ccc van cc trn ng vng

khng qua thit bgiihn ncn90% lulng thitkM100% cc van cn bng hay ci t trc.

- Kimtra thit bin v c:

Kimtra bm: sch, chiu lulng,cht cacc cht, cnh bm, btruyn, ,hpche chn, khpning,chtbi trn, lm mt .

Thit bin: sch, bin php cch in cc b, chc chn cacc mi ni,ticuch, dy ngun v dy iu khin, cch in cang c.

- Khing:

Kimtra trong khi kch hot bkhing ng c:

+ Chuyn ngquay cabm.

+ nv rung ng.

+ Dng khi ngngciu chnh thigian chuyntip.

+ Dng khi ngngctrn mipha.

+ qu nhit v nt lang c.

+ qu nhit cc , s r rcht bi trn.+ Lulng nclm mt .

- Hotng:

+ Btuhot ng bm tithp, sau ch khi t yu cu mim t tvan chn uycho nkhi dng ng ct n hoc l tr s thit khoc tr sdng y ting cnu trsno nhhn.

+ Kimtra p sut bm.

+ iu chnh van u y lu lng c xc nh sb t ng c

tnh bm nmtrong khongt100%110% tr sthitk.+ Hot ngbm ch ti bnh thng cho n khi bm chc chn

hot ngu.Kimtra cn bngng.

- Hiusut bm:

+ ngt tvan u y v c cc trsp sut.

+ Nu c c mt v tr t trn ng y o tng lu lng bm thc trslulngv so snh vicc sop sut v ng c tnh.

- Thtc cn ncvo cc thit bcuingun:

+ Nu vtr c lulngv p sut tcnh thit b trung tm nhmy lmlnhnc, l hi v.vhoc trong mch gn cc thit b cui


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ngun th c cc tr so lu lng hoc p sut ban u ca thit btrung tm v so snh vitr sthit kv tr strong catalog, ghi ch lulng no ln,lulng no nh.

+ Xc nh phn trm thit k thit b cui ngun bng cch chia cho lulnghoc p sut thct. Nu thit b no c tr s thp m khngc mvan hon ton th m 100%. ng bt van cc thit b cui

ngun lnlt tngcimt bt u tthit b c tr s ln nht n thit b ctr snh nht cho n khi ttcu c cn bng theo tl. C th yucu n 3 lnchnh.

+ Sau khi c c lu lng thch hp trong mi thit bcui ngun, xcnh hiu sut thit b bng cch c nhit nc vo v ra, nhit givo v ra, v lu lng gi. Tnh tng truyn nhit theo lu lng gi,lulng ncv chnh nhit nc.

+ Sau khi vic cn bng hon chnh, cv ghi nhn s o dng, chnh p sut qua bm, mt p qua blc.

Bccuicng trong thtc cn bng nc l hon ttcc bn bo co v ghi ycc con ssau cng

BYPASS

4.5l/s

s- 1c a lC H I L L E R

3. .8l

/ss- 2c a l

6.8l/s

s- 3c a l

B O N C H A 6.8l/


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s

s- 4c a l

H E A T P U M P

8.3l /s

s- 5c a l

V A NC H A NB O L O C B MV A N 1C H I E U

V AN CA NB ANG

T H IE T

B

OL N G LNG

T H IE T B O L U L N G

T H IE T B O L U L N GC O G A N V A N C A N B A N GA U N O I T H I E T B OV A N I E U K H I E N 2 N G AV A N I E U K H I E N 3 N G A

H N H 4. H E TH O N G O N G N C LA N H VA O

N G N C N O N G


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c. Cn chnh AHU :

1. Kimtra sb

- Phn vsinh bn ngoi

- an ton cnh qut (cht,bulon hm v.v...)

- Kimtra qut bngcch dng tay quay th.

- Chiu gi ng

- Hiu chnh cnca dy cu-roa, cn chnh pu-li

- Ci chn pu-li lp

- Cathm dng ovn tc

- Tra du mcho theo cc hng dncanh snxut

- Kimtra vsinh h thng:

+ Phng chaAHU phisch

+ Cc im xphi sch.

+ Kim tra Coil lnh, Coil nng, DX coil c sch ,v c b h higkhng.

+ Kim tra mchgas phi hon thnh v cth x,npgas cho vickhing

+ Kimtra mcdumy nn

- Kimtra Blc xem c c lpchnh xc khng

2. Kimtra thnghim:

- Luhscc dliu vbng tn vqut,motor, vAHU.

- Kim tra v xc nhn rng in trsidu hot ng tithiu 24 gi trckhi vnhnh

- Kim tra v lu h s v s vng quay / pht (RPM) xc nhn tc qut

- ov luhsch s ampere hot ng v chsin p.

- Chnh hthng trng thi gi ti thp nht, sau thc hin ovn tc giqua titdin bng ngpitot cho cc ng gi chnh, chnh tcqut t tnglulnggi theo thitk.

- ov luh s trp tnh ca h ng gi v im gim p sut tnh qua coil,lcv.v...trong hocngoiphn vAHU trong hng gi.

- ov luh sp sutht v p sut thi caqut da trn p sut nh mccn thit, cp suttnh v p sut tng.

- Chy th h thng trng thi gi ti ti a. Nu ng c qu tihoc lulnggi vt qu mc,iuchnh tc vng/pht (RPM) cho ph hp.


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- ov luh snhit gi cp, gi hi, gi tikhi hthng angt trngthi gi tithpnht.

- Kim tra cc cng tcbov p sut gas ,p cao ,p thp v ghi li gi tr chnhnh

- Ghi li p sut du,psut ht,p suty

d. Cn chnhFCU :

- Phn vsinh bn ngoi

- an ton cnh qut (cht,bulon hm v.v...)

- Kimtra qut bngcch dng tay quay th.

- Chiu gi ng

- Hiu chnh cn cady cu-roa, cn chnh pu-li

- Ci chn pu-li lp

- Cathm dng ovn tc

- Tra du mcho theo cc hng dncanh snxut

- Kimtra vsinh h thng:

+ Phng chaFCU phisch

+ Cc im xphi sch.

+ Kimtra Coil lnh,Coil nng, c sch v hhngg khng.

-

Kimtra Blc xem c c lpchnh xc khng

Kimtra thnghim:

- Luhscc dliu vbng tn vqut,motor, vFCU

- Kim tra v luh sv svng quay / pht (RPM) xc nhn tc qut.

- ov luhsch s ampere hot ng v chsin p.

- Chnh hthng trng thi gi ti thp nht, sau thc hin ovn tc gi qua

tit din bng ng pitot cho cc ng gi chnh, chnh tc qut t tng lulnggi theo thit k.

- o v lu h s tr p tnh ca hng gi v im gim p sut tnh qua coil, lcv.v...trong hoc ngoi phn vFCU trong hng gi.

- o v lu h s p sutht v p sut thi ca qut da trn p sut nh mc cnthit, cp sut tnh v p sut tng.

- Chyth h thng trngthi gi ti ti a. Nu ng c qu ti hoc lulnggi vt qu mc,iuchnh tc vng/pht (RPM) cho ph hp.

- ov luh snhit gi cp, gi hi, gi tikhi hthng angt trng thigi tithpnht.


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Kimtra sb:

- ng cthngxuyn c tra m.

- Loibcc vt l lm nghn dng khay ng nchocng ncx.

- Xem xt kim tra cc bc cch nhit c b h hng hoc thay th nu thy cnthit.

- Kimtra xem quthotngc ng khng.

- Phi kim tra chc chn l nc ngng t phi c x ra. Nu cn thit, iuchnhcao tin cho vic xnc.

- Kim tra vic thi cng ng gi hoc ng nc xc nh v sa cha nu b rungng.

Chy th:

- Kimtra vicni dybn trong phicht.

- Ngun in phi ph hp vichnh trn nhn sn phm.

- Cc npy, tmchn, bngin phingvtr.

- Bo m l cc van v cachnh gi phiangm.

- onhit bu kh/bu tca gi ra v vo dn trao inhit (0C), lulng gi

cp (L/S), Nhit nc vo / ra ( 0C ), lu lng nc(L/S) v so snh vi ccthng squi nh

e. Cn chnh my cplnh

Tng qut :

- Kimtra xem my cplnhc thnhng tdo trn l xo, nu c

- Cc im o nhit v p sut c lp cho c 2 dn trao inc lnh ting nci,v ng nc hi trong mibmy cp lnh, mch ncchung vmch nc hicho ng ngdn n ccmch ncscp v th cp ti hintrng.

- Cc cng vic kim tra th nghim cho bm c m t phn th nghimbm lin ktvichiller.

Nc:

- Vic cn nclnh giacc coil lnh c hon tt.

- Lu lng nc lnh qua cc dn trao i nhit ca chiller phi t t100-110% gi tr thit k,c c bng cch xc nh st p hoc sdngthit bolulng.

Lu : Cc bm c lin quanphi ang hot ng

- Lpli cc bctrn kim tra lulng ncdn ngng t


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in:

- Ccu ch hoccudao cachiller phingtheo bn vthi cng.

- Kimtra cch nidy cang chot ng ng in thnh mcv tc cang c.

- Bo vqu ticam-t c chnh theo qui nh trn nhn snphm. Thamchiu hng dncanh chto.

Chyth:

1. Th nc v th r r

- Th p lc v th r r

- Xnclnu

- Np du.Cho bphn siduhotng.

- Xc rabng ni tkh, v xlncui.

Ln rt chn khng sau cng mc0.2mmHg (200 microns) cduy trtrong 24 giv c schngnhncaidinkhch hng.

Bc ny c thc hin theo tiu chun ngnh v theo hng dn ca nhchto. Khng c kimtra cch inivimy nn m-t loi kn tronglc ht chn khng.

2. Np mi cht lnh cho chiller.

3. Kim tra li cch in vi t ca m-t(bng Megger)4. Kim tra chy kh.

4.1. iu chnh cng tclulng.

- Mcch l tt chiller khi lng nclnh v qut giinhit gim.i vi cng tcan ton cnphi reset bng tay, hy cho ncqua chiller trckhi thngt. Cng tc lu lng c chnh nh tuthuc vo cc imngt ca cng tcan ton v c th c xc nh bng con sthnghimgn ng nht mt khi cc chiller hotng. Tithi im ny, tr sngttng ng vi 60% lu lng thit k th coi nh l hp l, davo vo bnhng dn ca nh ch to.

- Bomrng chiu di cangnhng phing theo cng.

- Nichung bo ng thng qua cng tcthng ng cacng tc lulng.

- S dng dng c o lu lng o lu lng nc (annular,orifice plate). Nu khng c sn thit bo lu lng, imstp ingang qua cc dn trao i nhit ca chiller cnh ch tochng nhndng nh l phng cch sau cng.

- iu chnh cho cng tc lu lngs nh khi t60% lu lngthitk.


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Thc hincc bctng tkim tra my nn. Bphn cmbin lulng loichnh lchp sut.

Tho dy dntb khing dnnm tmy nn trckhi thchin ccbc kim tra tiptheo.

4.2. Chnhnhthermostat nhit nc thp.

Dng nc hocmi chtlnh. Chnhcho themostat nhsau khi nhit t3.30 C trong vng 5 giy, hoc nhit cao hn theoyu cucanh ch to.

4.3. Chnh nh thermostat nhit thp i vimi cht lnh.Cc bctng tnh mc

4.4. Chnh nhit khong00C da vo schp thun canh chto.

4.5. Cc bphn bo v: ng bphn khing camy nn. Ngt b phnkhi ng snhra do tc ng cacc bphn bovsau:

- Cng tc LP/HP (niring bnh cha mi cht lnh vicng tcLP/HPthng lgn ng hp sut)

- Ap sut du (nh bphn khi ng trong khon thigian ngng theochnhnh)

- Cc cng tclulng( cng tc titlunc)

- Thit bthigian giihn slnkhi ng.

- Bphn bo vqu ticam tmy nn.

(nhn nt testvn trli ch Auto saukhi xong qu trnh chy

thnghim. Cc chiller loi lncnphiinjectiontest).Trong khichy th,kim tra shot ngcanbo hiu chyv sc.

- Bbovqu nhit cam tmy nn (thermistor).

(tho ribcm bin ti mo-un TP)

- Thermostat nhit ncthpv mi cht lnh.

4.6. Kim tra li cc kho lin ng giachiller v cc thitbbn ngoi nh :

- Biu khin Chiller nitip.

- Van ncby-pass caChiller.

- Bkhing cc bm.

- Biu khin cung cplnh (td : sau khong thigian chy si)

5. Kim tra qu trnh hot ng :

5.1. Nhit du

Cho hot ng bsidu trong vng 4-6 gitrc khi chymy nn.Tham kho hng dncanh ch to vvnnhit duc th chpnhn c ivicc chiller c my nn ly tm.

5.2. Kimtra hngquay m-t.


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5.3. Lp thit bc lu lng nc trn cc ng ngnc lnh v nc giinhit; iuchnhtheo gi tr thit knucn.

5.4. Khingchiller v luhscc thng shotngnh :

- Ch scp ti(stage).

- Ch sin th dng chy(A) dng ng ho ampe km c

hiuchnh.- Ap sut ht

- Ap suty

- p sutdu

- nhit nc lnh vo

- nhit nc lnh ra

- Nhit mi trng

- Nhit gi giinhit ra- Lulng nclnh. (l/s)

5.5. T h shotng, xc nhim chnh nhnhit ca biu khinv dy cn chnh theo t l tnhit nc thot ra theo thit kkhi chiller hot ng nnh lin tc (khng tng, gim ti) v khng vnhit xung qu thp. Chnh biu khin im ny.

5.6. Gim im chnh nh nhit trn biu khin v t t gimnhit ncra cho n khi thit b bo v nhit nc thp ca chiller hot ng.

iuquan trng l nhit nc ra phi c gim st lin tc bng cchdng 1 nhit kin t c kim nh. Lu h s nhit nckhib bo v ca chiller hot ng v iu chnh t 3.30C nu cn thycn.

5.7. Gim ch s qu ti ngt m t my nn. Chnh tr li ch s in thbnh thng c qui nh trn nhn sn phm sau khi kim tra thnghim.

5.8. Gi lp iu kin p sut thp, p sut cao vlu lng thp,kim tra shot ng cacc bphn bo vv nbo.

5.9. Kimtra lixem thitbgii hn sln khing c chnh t 4- 6 lnkhing trong mtgi.

5.10.Kim tra xem m t c t n tc nh mc trc khi b iu pchuyn sang in p nh mc hay khng bng cch chnh r-le thigian, ng thi cng khng lu thi gian gim p di hn mc cnthit.

5.11.Kimtra lishot ngcachu krt ga, nu c.

5.12.Bomrngchiller khing hon ton chkhng ti.

Ch : Vic thnghim v chy thmy lm lnh nc cnphihp cht ch vichuyn gia kthut canh cung cp


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f. Cn chnh my cpnhit:

Tng qut :- Kimtra xem chiller c thnhng tdo trn l xo, nu c

- Cc im o nhit v p sut c lpcho c2 dn trao inc nng v nclnh ti ng nci,v ng nc hi trong mi bchiller, mch nc chungv mch nchicho ng ngdnn cc coil lnh tihintrng.

- Kimtra cc qut giinhit (xem qui trnh kimtra thnghimqut).

- Cc cng vic kim tra th nghim cho bm c m t phn th nghimbm lin ktvichiller.

Nc:

- Vic cn nc lnh(mch s cp),nc nng gia cc coil nng c hon tt.

- Lu lng nc nng,nc lnhqua cc dn trao i nhit ca Heat pumpphi t t100-110% gi tr thit k, c c bng cch xc nh st p hocsdng thitbolulng.

Lu: Cc bm c lin quan phiang hot ng

in:- Ccu ch hoccudao caHeat pump phingtheo bn vthi cng.

- Kim tra cch nidy cang chot ng ng in th nh mc v tc cang c.

- Bo v qu ti ca m-t c chnh theo qui nh trn nhn sn phm. Heatpump dng my nn ly tm c th csai s cho php l 8%. Tham chiu hng dncanh ch to.

Chy th:1. Kh nc v th r r

- Th p lc v th r r

- Xnclnu

- Np du.Cho bphn sidu hot ng.

- Xc rabng ni tkh, v xlncui.

Ln rt chn khng sau cng mc 0.2mmHg (200 microns) cduy tr trong

24 giv c schngnhncai dinkhch hng.


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Bc ny c thc hin theo tiu chun ngnh v theo hng dn canhchto. Khng c kimtra cch inivimy nn m-t loi kn tronglc ht chn khng.

2. Np micht lnh cho Heat pump.

3. Kim tra li cch in vi t ca m-t(bng Megger)

4. Kim tra chy kh:4.1. iu chnh cng tclulng.

Mcch l tt Heat pump khi lngnc lnhv nc nng gim. i vi cngtcan ton cn phi reset bng tay, hy cho nc qua heat pump trc khi thngt. Cng tc lu lng c chnh nh tuthuc vo cc im ngt ca cng tcan ton v c th c xc nh bng con s th nghim gnng nht mt khi ccheat pump hot ng. Ti thi im ny, tr sngt tngng vi 60% lulng thitkth coi nhl hp l, da vo vo bnhng dncanh chto.

- Bomrng chiu di cangnhng phing theo cng.

- Ni chung bo ng thng qua cng tc thng ng ca cng tc lulng.

- Sdng dng c o lu lng o lu lng nc (annular, orificeplate).Nu khng c sn thit b o lu lng, im st p i ngang qua cc dntrao i nhit ca heat pump c nh ch tochng nhn dng nh lphng cch sau cng.

- iuchnhcho cng tc lulngsnhkhi t60% lulng thitk.

Thc hin cc bctng tkim tra my nn. Bphn cmbin lulngloichnh lchp sut.

Tho dy dntb khing dnnm tmy nn trckhi thc hincc bckim tra tiptheo.

4.2. Chnhnhthermostat nhit ncthp.

Dng nc hoc micht lnh. Chnh cho themostat nhsau khi nhit t3.30 C trong vng 5 giy, hoc nhit cao hn theoyu cucanh chto.

4.3. Chnhnhthermostat nhit thp ivimi cht lnh.

Cc bc tng t nh mc 4.2. Chnh nhit khong 00C da vo schpthun canh chto.

4.4. Cc bphn bo v:

ng bphn khi ng ca my nn. Ngt bphn khi ng snhra do tc ngcacc bphn bovsau:

- Cng tcLP/HP (niring bnh cha mi cht lnh vicng tcLP/HP thng lgn ng hp sut)

- Ap sut du (nh bphn khi ng trong khon thigian ngngtheo chnhnh)

- Cc cng tclulng( cng tc titlunc)


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- Thit bthigian giihn slnkhi ng.

- Bphn bo vqu ticam tmy nn.

(nhn nt testvn trli ch Auto saukhi xong qu trnh chy thnghim. Cc chiller loi lncnphiinjectiontest)

Trong khi chy th,kim tra shot ngcanbo hiuchyv s c.

- Bbovqu nhit cam tmy nn (thermistor).

(tho ribcm bin ti mo-un TP)

- Thermostat nhit ncthpv mi cht lnh.

4.5. Kim tra li cc kho lin ng giaheat pump v cc thitbbn ngoi nh :

- Biu khin heat pump nitip.

- Van ncby-pass caheat pump

- Bkhing cc bm.

- Biu khin cung cplnh (td : sau khong thigian chy si)

5. Kim tra qu trnh hot ng :

5.1. Nhit du

Cho hot ng bsidu trong vng 4-6 gitrc khi chymy nn. Thamkho hng dncanh ch to vvn nhit duc thchp nhncivicc chiller c my nn ly tm.

5.2. Kimtra hngquay m-t.

5.3. Lp thit b clu lngnc trn cc ng ng nc lnhv ncnng; iuchnhtheo gi tr thit knucn.

5.4. KhingHeat pump v luhscc thng shot ng nh :

- Ch scp ti(stage).

- Ch sin thdng chy(A)dng ng hoampe km chiuchnh.

- Ap sut ht

- Ap suty

- p sutdu

- nhit nc lnh vo

- nhit nc lnh ra

- Nhit nc nng vo

- Nhit nc nng ra

- Lulng nclnh. (l/s)

5.5. T hshot ng, xc nh im chnh nh nhit cabiukhin v dy

cn chnh theo tl t nhit ncthot ra theo thit k khi


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Heat pump hot ng nnh lin tc (khng tng, gim ti)v khng v nhitxung qu thp. Chnh biu khin im ny.

5.6. Gim im chnh nh nhit trn biu khin v ttgim nhit ncracho nkhi thit bbovnhitnc thp caheat pump hot ng.iuquan trngl nhit nc ra phi cgim st lin tc bng cch dng1 nhit k in tc kimnh. Luh snhit nc khi bbo v

ca chiller hot ng v iu chnh t 3.30C nu cnthycn.5.7. Gim ch s qu ti ngt m t my nn. Chnh tr li ch sin th bnh

thng c qui nh trn nhn sn phm sau khi kimtra thnghim.

5.8. Gi lp iu kin p sut thp, p sut cao v lu lng thp,kimtra s hotng cacc bphnbo vv nbo.

5.9. Kim tra li xem thit b gii hn s ln khi ng c chnh t 4-6 lnkhing trong mtgi.

5.10.Kim tra xem m t c tn tc nh mc trc khi b iu pchuynsang in p nh mc hay khng bng cch chnh r-le thi gian,ng thicngkhng luthigian gimp di hn mccn thit.

5.11.Kimtra lishot ngcachu krt ga, nu c.

5.12.Bomrngchiller khing hon ton chkhng ti.

Ch : Vic thnghim v chy thmycpnhit (heat pump) nccnphi hpcht chvichuyn gia kthut canh cung cp

g. Vnhnh bm :

Nc:

- H thng phi c xc rav xgi.

- Blcphisch

- Van ht v van x phi m

-

Mt sva cc van chnv cc van iukhin (2 ng) c mt 110-115% lulng thitk.

in

- Ccu ch phingtheo bn vthi cng.

- Kimtra cch nidy cang chot ng ng in thnh mcv tc cang c.

- Bo vqu tiphi c chnh nh theo ng viqui nh ghi trn nhn sn

phm.- Kimtra cch in vitcang c(bngMegger)


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Tng qut :

- Kimtra bngcch dng tay quay bm

- Kim tra thng hng, ng trc gia cc trc bmnu cn (khng p dng choloibm kn).

- Bbm c thnhng tdo trn l xo, nu c.

- Lm kn chnigia ngxv lthot nctrn sn.

- Kimtra chiuxoay cangc.

Chy th:

Tngqut:

- Tt c cc bm m c v tc ng ln nhau trong h thng (th d : ng htchung, ng xchung) u phi c th nghim ng lotnh th chnganghotngtrong iu kin thitk

- Lu lng ncphic o kim davo st p i qua thit b o lulngthch hp chiu chun, th d : annular hoc orifice plate, vc kim chng li bng cch vchnh lch p sut bm ln s hotng cabm canh snxutvso snh vicng cam-t.

- Thng thng cc thao tc tng gim u c thc hin trn van u y cabm.Nu ting n qu ln, c th chia ra thc hin vi2 hoc 3 van lpsaubm.

Chnhlu:

- Chnh nh lu lng ncqua mi bm t 110 n 115% gi tr thit knhc thhin trn dng colulng.

Lu :phi chnh lui vi cc bm khc c lin quan

- Tt ccc bmphi ang hot ng

- Lp li cc bc chnh lui vicc bm khc c lin quan v khi chnhlucho mt bm slm nh hng n lulng nc qua bm khc.

- Luhsp sut yv p sut ht ti mibm

-

Luh sct p ngngti mibmv so snh viccnh bmthc t(Ct pngng l ct p co khi bmang hot ng vivan u y cng).

- Luhscc dliu ghi tinhn snphm cabm v kch ccnh bm.

- Dng p k thu ngn ost p ingang qua thit b c cc c tnh cbit trcnh chiller,niuntilulng ncthitk.

- Luhscng hot ng ca bm theo tng giai on.

- Lp li tbc 2 nbc6 i viccbm c lin quan bom rng :

+ S tng gim lu lngnc v cng vn phi nm trong vnghot ng nnh cabm v m-t.


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+ Lulng nctngphikhng gy tc ngngc licho cc thit bchnh nh chiller hoc ni un.

Biu mu sdng:

1REE-TCF/F1 TRANG BA

2REE-TCF/F2 CC BC KIMTRA V TH NGHIM

3REE-TCF/F3 BIN BN KIM TRA BM

4REE-TCF/F4 BIN BN KIMTRA TIN IU KHIN(th st)

5REE-TCF/F5 BIN BN KIMTRA TINIUKHIN (cc soc ti hintrng)

6REE-TCF/F6 BIN BN KIM TRAIN TRCCH IN CACPIN

h. Cn chnhqut :

Tng qut :

- Kim tra bngcch dng tay quay th qutv m t,Hp cha v cnh qutphisch.

- Hiu chnh cn ca dy cu-roa, cn chnh pu-li. Ci chn dy cu-roa phic tngch.

- Nuc lpvo l xo, kimtra xem qutc dao ng tdo trn l xo khng.

- Khp ni mm c chng rung khng vkhng bx ti cc mi ni. Cc khpni mm bn ngoi c cbao bngchtliuchng thmnckhng.

- Lngqut phisch, khng c ccvt l tbn ngoi.

- M tphic xit an ton.

- Cc blc thch hp c lp. Xem cn khe hkhng. Kimtra sch.

Gi :

- Van iu chnh gi phi v tr t lccnnht.

Th d: cc van ct la(FD) v van iuchnhlulnggi (VCD) phi mhon ton

Cnh chnh gi hi/cnh chnh gi ti,cnhchia gi v cc cnh chnh gi khc phivtr gi ngoi t nht

Cc van chnh p sut tnh v chnh gi vo phi mhon ton.

- Biu khin tcqutc ch nh v tr lnnht.

in:

- Ccu ch ngtheo bn vthi cng.- Kimtra cch nidy cang chot ng ng in thnh mcv tc ca

ng c.


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- Bovqu tiphi c chnh nh theo ng viqui nh ti nhn snphm

- Kimtra cch in vitcang c( bngmegger )

Chy th:- Kimtra hng gi

- Kim tra cng in vo bo m cng hot ng trong phm vi chophp c ghi trn nhn snphm

- Chnh lch p sut qua qut c c vln sng cong hot ng caqut xc nh lu lng gi gn ng nht. Xc nh li bng cch ovn tc giqua titdin bng ngPitot.

- Luhstcqut

- Luhscc chi tit trong qu trnh kim tra & th nghim vo bin bnKim tra& thnghim.

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