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York D2CE - page 1
SAFETY CONSIDERA TIONS Due to system pr essure, moving par ts and electr ical components, installation and ser vicing of air conditioning equipment can be hazardous. Only qualified, trained, serv ice personnel should install, repair , maintain or service this equipment. ‘Y ORK Model D CE an d DC G uni ts a re si ngle pac kag e ai r condit io ners ...
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York D2CE - page 2
Gene ral ... .... .... .... ...... .... .... .... ...... .... .... .... .... ...... .... .... .... .... ... 1 Inspe ction........ ...... .... .... .... .... ...... .... .... .... ...... .... .... .... .... ...... . 1 Referen ce ... ...... .... .... .... ...... .... .... .... ...... .... .... .... ...... .... .... .... .. 1 App rovals ..... .... ... ...
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York D2CE - page 3
LIMIT A TIONS These unit s must be inst alle d in ac corda nce wit h the following applic ab le nation al a nd loc al s af ety cod es: In U .S.A. : 1. Nation al Elec trical C od e ANSI/ NFP A No . 70. 2. Na tional Fue l Gas Code Z22 3.1. 3. Gas -Fir ed Ce ntral Fu r na ce Stan dar d ANS I Z21.47 a. 4. Loca l gas an d elec tr i c util ity req uir em ...
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York D2CE - page 4
DUCTWO RK Duct wor k shou ld b e de signed and sized acco rding to th e method s in Man ual Q of th e Air Con diti oning Co ntra ctors of America (ACCA). A clos ed re tur n du ct sys tem shal l be use d. Thi s shall no t prec lude us e of ec onomizers or outdoo r fresh air inta k e. The suppl y and retur n air du ct co nnec tions a t the unit sh ou ...
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York D2CE - page 5
FIG. 5 - TYPICAL FIELD WIRING Wire Size 1 A WG. Gaug e 22 20 19 18 16 25 40 50 65 100 Maximu m Wire Length 2 Fe et Notes: 1. Solid, Class II copper wire CONTR OL WIRE SIZES 530.18-N11Y Unitar y Products Group 5 ...
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York D2CE - page 6
THERMOST A T The roo m thermost at sh ould be lo cate d on a n insid e w all appro ximatel y 56" ab ov e the fl oor whe re it wi ll no t be sub ject to dr afts, sun expos ure o r h eat fr om el ectr i cal f ixtu res or applia nces . Follo w manuf acturer’ s inst ruction s enclos ed with ther mostat f or general installation procedure. Sev en ...
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York D2CE - page 7
W ARNING : Nat ural gas ma y conta in som e pro pane . Prop ane , bein g an e xcellen t sol v ent , will qui c kly dissol v e whit e lead o r most standard commercial com pounds. Th ere fore, a special pi pe com poun d must be ap plie d when wr ough t iron or steel pip e is used. Shellac b as e c om po unds su ch as G as k olac or Stala stic , and ...
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York D2CE - page 8
VENT AND COMBUSTION AIR HOO DS (DCG Models) T wo ven t hoo ds and a comb ustion air hood (with screen s) are sh ipp ed atta ched to th e blower hou sing in th e blower compartment. These hoo ds mus t be i nstall ed to assure proper unit funct ion. All hoods m ust be f ast ened to the outsid e of t he gas heat acc ess panel w ith the sc rews provi d ...
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York D2CE - page 9
FIG. 9 - ENTHAL PY SETP OINT AD JUST MENT 530.18-N11Y Unitar y Products Group 9 ...
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York D2CE - page 10
T ABLE 4 - P HYSIC AL D A T A MODE LS DCE/DCG 300 EV APORA T OR BLOWER CENTRIFUGAL BLO WER (Dia. x W d. in.) 18 x 15 F AN MO TOR HP 15 EV APORA T OR COIL RO W S DEEP 4 FINS PER INCH 13.5 F A CE AREA (Sq. Ft. ) 25.0 CONDENSER FA N (T wo P er Unit) PRO PELLER DIA. (in.) (Each) 30 F AN MO TOR HP (Each) 1 NOM. CFM TO T AL (Each) 7200 CONDENSER COIL RO ...
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York D2CE - page 11
Cont ’ d. FIG. 10 - DIMENSIONS & CLEARANCES - DCE & DCG All dimensions are in inches. T hey are sub- ject to change without notice. Cert i fied di- mensions will be pro vided upon request. CLEARANCES F ront 36" Back 24" (Less Economiz er) 49" (With Ec onomizer) Left Side (Filter Access) 24" (Less Economi zer) 36" ...
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York D2CE - page 12
FIG. 10 - DIMENSIONS & CLEARANCES (Cont ’ d.)- DCE & DCG SUPPLY AIR RETURN AIR OUTDOOR AIR 5-1/8" 18-5/8" 27-3/4" 29-5/8" (15 TON) 39-5/8" (20 TON) 40-1/2" OUTDOOR AIR COMPARTMENT ACCESS FILTER ACCESS 1" NPT FEMAL E COND. DRAIN CONNECTION DOT PLUG (For pressure drop reading) EVAPORATOR SECTION CONDENSER ...
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York D2CE - page 13
A B C D FRONT 4 POINT LO ADS FIG. 11 - FOUR AND SIX POINT LO ADS A E D B F C FRONT 6 POINT LO ADS UNIT 4 - PO INT LOADS (LBS) TOT A L A B C D 300 3, 130 615 671 962 882 NOTE: The se w eigh ts a re w ith ec onom izer , high he at, a nd th e larg est blower mot or available. UNIT 6 - POINT LOADS (LBS) TOT A L A B C D E F 300 3,130 418 438 533 628 603 ...
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York D2CE - page 14
T ABLE 11 - PO WER EXHA UST PERFORMANCE T ABLE 12 - BLO WE R MO TO R AND DRIVE D A T A MODEL SIZE DRIVE BLOWER RANGE (RPM) MO T OR 1 ADJUST ABL E MO T OR PULLEY FIXED BLOWER PULLEY BEL T (NO TCHED) HP FRAME EFF . (%) DESIG- NA TION OUT - SIDE DIA. (IN.) PITCH DIA. (IN.) BORE (IN.) DESIG- NA TION OUTS IDE DIA. (IN.) PITCH DIA. (IN.) BORE (IN.) DESIG ...
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York D2CE - page 15
COOL ING SYST EM The co oling se ctio n is a com plet e f actory pack age u tili zing an air-cooled condenser . The system is f actor y- charged with Refriger ant-2 2. The co mpres sor s are h er m etical ly se aled , inter nally spr ung and b ase -mou nted with r ubbe r-in sula ted hold -down bolts. Compress ors ha v e inherent (in ternal) prot ec ...
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York D2CE - page 16
s wit ch is in the “ AUTO ” p osit ion, the blower wi ll op erat e onl y when ther e is a cal l for heating by th e th er m osta t. b) Upon a cal l for first -st age hea t by the the r most at, the he ater con tactor (6M) (6 M & 7M o n 72 KW , 2 40V) will be energiz ed. If the se cond sta ge of he at is req uired , heat er cont actor (7M) w ...
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York D2CE - page 17
6. A uxili ary Limit Switch (A UX) This c ontro l is loc ated insi de the he at excha nger c ompa r tment and i s set to op en at 190 ° F . It is a manua l rese t switch. If A UX li mit t rip s, then the pr imar y limi t has not fu ncti oned corre ctly ., Repla ce the pr imar y limit OPERA TING INSTRUCT IONS CA UTION: Thi s fu r nac e is eq uipped ...
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York D2CE - page 18
3. T o increase t he ga s pr essure , tu rn the ad just ing sc re w cloc kw ise . NO TE: The cor rect mani f old pr ess ure f or t hese fur n aces is 3.65 IWG ± 0.3. PILO T CHECK OUT The pilot flame should envelope the end of the flame sensor . Ref er to Proper Flame Adjustment figure. T o adjust pilot flame , (1) remov e pilot adjustment cov er s ...
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York D2CE - page 19
2. Insert at least 8" of 1/4 inch tubin g into ea ch of th ese hol es f or suf fici ent pe netrat ion in to the air flow on both side s of the indo or coil . NO TE: Th e tube s must be inserted and hel d in a posi tion perpendicu lar to th e air f lo w so t hat v eloci ty p res- sure wil l no t af f ect the st at ic pres su re rea ding s . 3. ...
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York D2CE - page 20
If the actual input is not within 5% of the fur nace rating (with allowance being made f or the per missible range of the regulator setting), replace the or ifice spuds with spuds of the proper size. NOTE T o find the Btu input, multiply the number of cubic f eet of gas consumed per hour by the Btu content of the gas in your par ticular locality (c ...
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York D2CE - page 21
10. After b rushing is comp lete , blo w all brushed area s wit h ai r or nitro ge n. V acuum a s ne ed ed . 11 . Replace par ts in the order the y were remo v ed in Steps 1 thru 4. 12. When re plac ing t he ce nter a nd to p of the flue colle ctor box, be car eful not to tear the ad jo inin g insu lati on. 13. Ensure that al l seams on the v ent s ...
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York D2CE - page 22
4. The draft m otor r uns but the fur nace d oes no t ligh t and th e sparke r does no t sp ark. a. Th e ignition contro l (IC1, IC2) ma y be lock ed out d ue to eithe r a f lame roll ou t or 10 0% shu t off. These sa fety f eature s are d esc ri bed a bove. I f lock- out h as oc curr ed, 24V must be remo v ed from t he igni tion co ntrols . This i ...
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York D2CE - page 23
REPLA CEMENT P ARTS COMPRESSOR SECTION • Hermetic c ompress or • Compre ssor mo unti ng MO T OR SECTION • Blowe r motor • Fa n m o t o r • V e ntor mo tor ELECTRICAL SECTION • Igniti on con trol • Rela y board • Cont acto r • Circuit bre ak er • T emperat ure con trols • Capacitors • Rela ys • Tr a n s f o r m e r s • Co ...
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York D2CE - page 24
Unitary Products G roup 5005 Y ork D ri ve, Nor man , Okla homa 73069 Subje ct to chan ge wit hout n otice . Printe d in U .S .A. Cop yright by Y ork International Corporation 1 999. All Rights Reserved. Code: SBY 530. 18-N1 1Y ...
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