Instruction/ maintenance manual of the product D2CE York
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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.
Gene ral ... .... .... .... ...... .... .... .... ...... .... .... .... .... ...... .... .... .... .... ... 1 Inspe ction........ ...... .... .... .... .... ...... .... .... .... ...... .... .... .... .... ...... . 1 Referen ce ... ...... .... .... ..
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.
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.
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.
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.
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.
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.
FIG. 9 - ENTHAL PY SETP OINT AD JUST MENT 530.18-N11Y Unitar y Products Group 9.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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 .
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.
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.
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.
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 co.
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.
An important point after buying a device York D2CE (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought York D2CE yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data York D2CE - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, York D2CE you will learn all the available features of the product, as well as information on its operation. The information that you get York D2CE will certainly help you make a decision on the purchase.
If you already are a holder of York D2CE, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime York D2CE.
However, one of the most important roles played by the user manual is to help in solving problems with York D2CE. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device York D2CE along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
