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York 2000 manual

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Table of contents for the manual

  • Page 1

    GENERAL Y ORK Model B CH units are single package heat pumps des igne d for outd oor in stal lati on on a roof top o r a s lab. Supp leme ntal el ectr i c hea ters a re available as field- instal led access ories . The un its a re c ompl etely a ss embled o n ri gid, per man entl y atta ched ba se rail s. All pi ping, refrigeran t charg e, and e le[...]

  • Page 2

    Gene ral ..... ...... ...... .... ...... ...... ...... ...... ...... ...... ...... ...... ...... ..... 1 Inspe ction ...... ...... ...... ...... ...... ...... ...... .... ...... ...... ...... ...... ...... . 1 Referen ce ... ...... .... .... .... .... .... ...... .... .... .... .... ...... .... .... .... .... .... 1 App rovals ..... .... .... .... [...]

  • Page 3

    These unit s must be inst alled i n acco rdanc e with th e cur rent edi tion of th e followin g na tion al a nd l ocal safety c od es: In U .S.A.: 1. Nat ional Ele ctrical Code ANSI /NFP A No . 70. 2. Lo cal elec tri c ut il it y req ui remen ts . In Ca nada: 1. Cana dian Elec tr i ca l C ode C 22 .1 2. Canad ian Installati on Codes CAN/CGA-B1 49.1[...]

  • Page 4

    casi ng. Outdoo r d uctwor k mu st b e in sulate d an d water - proof ed. Ref er to Figure 6 f or inf ormation con cerning side and bo ttom supply and re turn air duc t open ings . FIL TERS 1" fil ter s are s uppl ied wi th ea ch un it. 2" re plac emen t fil ters m ay be used with no m odific ation t o the filter rac ks. Filt ers must alw[...]

  • Page 5

    ELECT RIC HEA TERS Supp leme ntal el ectr i c hea ters may be ordered as a field -in stal led a cces sor y . Ref er to Form 530.18-N7.1V for inst allation instruction . These UL and C .G.A. approv ed he aters are lo cate d withi n the ce ntra l comp ar tment of the unit (se e Figure 6 f or access panel) wi th the heati ng elements e xtendi ng into [...]

  • Page 6

    OPTIONAL ECONO MIZER RAIN HOOD The followin g pr oc ed ur e sh ou ld be us ed when ass em bling an econom izer r ain hood onto a unit. Ref er to Figure 4. The outdoo r and return ai r dampers , dampe r actuat or , the lin kage and a ll the co ntrol s ar e factor y m ount ed as pa r t of the ec onom izer option . All of the h ood c ompone nt s, incl[...]

  • Page 7

    FIG. 5 - ENTHALPY SET POIN T ADJ U STMENT WEIGHTS (LBS) Basic Unit 3 T on 555 4 T on 595 5 T on 620 OPTIONS / ACCESSORIES Electric Heat (Nominal KW ) 5 - 7 KW 18 10 - 15 KW 23 20 - 30 KW 28 Economiz er 50 Belt-D rive Blower 5 Motorized Outdoor Air Damper 26 Bar ometri c Re lief /Fix ed Outdoor Air Intake Damper 10 Roof Mounting Curb 92 MODELS BCH 0[...]

  • Page 8

    DUCT CO VERS - Units are shipped with all air duct openings cov ered. Fo r side duct applications; 1.Remov e and discard t he supply and retur n air duct covers. 2.Connect ductwork to duct flanges on the rear of the u nit. Fo r bott om duct applications; 1. Remove the si de supply air duct cov er to gain access t o the bottom supply air knock out p[...]

  • Page 9

    T ABLE 4 - SUPPL Y AIR PERFOR MANCE - 3 & 4 T on Units w/Belt-Dr ive Blo wer MODE L BCH AIR FLOW CFM A vai lab le External Static Pressure - I WG* 0.20 0.30 0.40 0.50 0.60 0.70 0.80 RPM W atts RPM Watts RPM W atts RPM W atts RPM W atts RPM W atts RPM W atts 036 2000 843 860 880 925 919 1005 956 1065 993 1145 1030 1195 1067 1235 1900 817 775 854[...]

  • Page 10

    T ABLE 5 - SUPPL Y A IR PERFORMANCE - 5 T on w/Belt-Driv e Blo wer MODE L BHN AIR FLOW CFM A vai lab le External Static Pressure - I WG* 0.20 0.30 0.40 0.50 0.60 0.70 0.80 RPM W atts RPM Watts RPM W atts RPM W atts RPM W atts RPM W atts RPM W atts 060 2500 1059 1560 1077 1590 1095 1630 1114 1650 1134 1660 1158 1685 1181 1720 2400 1032 1405 1054 147[...]

  • Page 11

    MODE L BLOWER RANGE (RPM) MO TO R* ADJUST ABLE MO T OR PULLEY FIXED BLO WER PULLEY BEL T HP RPM FRAME SIZE SERVICE FA C T O R PITCH DIA. (in.) BORE (in.) PITCH DIA. (in.) BORE (in.) PITCH LENGTH (in.) DESIG- NA T ION BCH 036 790 - 1120 1-1/2 1725 56 1.15 2.4 - 3.4 7/8 5.7 1 37.3 A36 BCH 048 790 - 1120 1-1/2 1725 56 1.15 2.4 - 3.4 7/8 5.7 1 37.3 A36[...]

  • Page 12

    COOL ING SY STEM The u nit has an air-co oled conden ser and is f a ctor y-char ged with Re fr ige rant -22. The compressor is her metically sealed, internally sprung, mou nted on spr ing isolator s and inherently (inter nally) prote cted. If the re is an abno r mal temp erature rise in the compressor , the protector will op en to sh ut do wn the c[...]

  • Page 13

    LOCK OUT CONTR OL Any one of f our con dition s will put th e system into a loc k-out condit ion du ring th e he atin g or co ol in g mo de: 1. The disc harge li ne temp erat ure reach es 255 ° F (215 ° F reset) o r , 2. Th e discha rge pressu re reaches 39 8 PSIG (310 PSI G reset) o r , 3. The suct ion li ne fr ee z e st at equal s 26 ° F (38 ?[...]

  • Page 14

    W ARNING : F ailure to properly ad just th e total system air qu an- tity c an resu lt in poor sy stem p erf ormance. After readin gs hav e been obta ined, remo ve the tu bes and seal the dril led hol es in the s ide pan els. 5/16" dot plugs (P/ N 029- 1388 0) are av ailable through nor mal par ts order ing proc edur es. N O T E : DE-ENERGIZ E[...]

  • Page 15

    511.06-N5Y Unitar y Products Group 15[...]

  • Page 16

    Unitary Products Group 5005 Y ork Drive, N o rman, Oklaho ma 73 06 9 Subj ect to c han ge w itho ut n otic e. Prin ted in U.S.A. Copyright  by Y ork Internation al Corporation 2000 . All Rights Reserved. 511. 06-N5Y 208/ 230/46 0 VO L T MODELS ONL Y 208/23 0/57 5 VOL T MODELS ONL Y[...]