Instruction/ maintenance manual of the product 2000 York
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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.
Gene ral ..... ...... ...... .... ...... ...... ...... ...... ...... ...... ...... ...... ...... ..... 1 Inspe ction ...... ...... ...... ...... ...... ...... ...... .... ...... ...... ...... ...... ...... . 1 Referen ce ... ...... .... .... .... ....
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.
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.
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 .
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 .
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 e.
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.
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.
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.
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.
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.
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.
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.
511.06-N5Y Unitar y Products Group 15.
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 .
An important point after buying a device York 2000 (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 2000 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 2000 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, York 2000 you will learn all the available features of the product, as well as information on its operation. The information that you get York 2000 will certainly help you make a decision on the purchase.
If you already are a holder of York 2000, 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 2000.
However, one of the most important roles played by the user manual is to help in solving problems with York 2000. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device York 2000 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
