Instruction/ maintenance manual of the product 581A Bryant
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Cancels : II 58 1A-15 5-2 II 581A- 155-3 6/15/ 99 CONTENTS Pa g e SAFETY CONSIDERA TIONS . . . . . . . . . . . . . . . . . . . . . . 1 INST ALLA TION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 4 I. Step 1 — Pro vide Unit Suppo rt .
—2— NO T E S: 1. Roof c urb accessor y is shipp ed disassembled . 2. Insulated panels: 1 i n. thick ne oprene coate d 1 1 / 2 lb dens ity . 3. Dimen s ions in ( ) are i n millime ters. 4. Directio n of airflow . 5. Roof c urb: 16 g a. (V A03-56) stl .
—3 — IMPORT ANT : Cur b or ada pter roo f cur b must be level . This is neces sary to permit unit dr ain to functi on properly . Unit lev- eling t o lerance is ± 1 / 16 i n.
—4— 581A180 ONL Y FIELD SUPPLIED POWER EXHAUST/ BAROMETRIC RELIEF (ACCESSORY ONL Y) POWER EXHAUST/ BAROMETRIC RELIEF (ACCESSORY ONL Y) Fig. 4 — Base Un it Dimensi ons; 581 A155 and 180 NOT ES: 1. Refer t o pri nt for roof cur b acc essor y di men sions.
—5 — Fig. 5 — Base Un it Dimensi ons; 581 A240 NOT ES: 1. Refer to pr int for roof c urb ac cessor y di mensio ns. 2. Dim ensions i n ( ) are in m illimeter s. 3. Center of G ravity . 4. Directio n of air flow . 5. Duct work t o be attach ed to acces sor y roof cu rb only .
—6— T able 1 — Physi cal Data LEGEN D *Evapor ator coil fin material/condenser coil fin material . †We i ght of 14-in. r oof curb . **Circui t 1 uses the lower porti on of condens er coil and lower porti on of ev a porator coils , and Circuit 2 uses the upp er por tion of bot h coils.
—7 — III. STEP 3 — FIELD F ABRICA TE DU CTWORK On vertica l units , secure all ducts to roo f curb and building struc ture. Do not c onnect duc twor k to uni t.
—8— VI. STEP 6 — TRAP CONDENSA TE DRAIN See F ig. 4, 5, and 11 f ore drain location. Plug is provid ed in drai n hole and must be removed when un it is o perating . One 3 / 4 in. half coupl ing is provi ded in sid e unit evap or ator sect ion for co nd ensa te d rain co nnection.
—9 — Route p ower an d ground lines thr ough control box end panel or unit basepan (see F ig. 4 and 5) to connec tions as show n on uni t wi ring di agram and Fig. 14. Fi eld wiring must con form to tempera ture limita tions f or ty pe “T” wire .
—1 0— T abl e 2 — Elect rical Data L EGEND *Fuse or HACR circuit break er. NO TES : 1. In compliance with NEC requirements for multimotor and combi nation load equipment (refe r to NEC Ar ticles 430 an d 440), the o ver current protectiv e dev ice f or the unit shall be fuse o r HAC R breaker .
—11— Da mp er Ve nt Pos i tio n S etti n g 1. Set fan swi tch at ON posi tion ( continuo us fan opera - tion) and cl ose ni ght switc h if use d. 2. Set syst em selecto r switch at OFF position. 3. Tu rn d a m pe r a dju s t me n t kn ob l o ca t e d o n c ont ro l module cl ockwise slowly until da mpers assume desi r e d ve n t p os it ion .
—1 2— 3. Secur e lower filter r etain er and long section of filter sup port bracket to uni t. See Fig. 22. L eave s crew s loos e on 180 and 240 units . 4. Slid e baffl e (sizes 180 and 24 0) behind lowe r filt er ret a ine r a n d tig h ten s cr e ws.
—13— B. Differ ential En t halp y Contr ol NO TE: The access ory out door -air entha lpy sens or mus t be in st alle d BEFORE the ec onom iz er hoods ar e install ed on the uni t or hoods wil l have to be r emoved.
—1 4— Sensor Ass embly — Inst all the sens or as sembly i n the loca- tion s hown in Fig . 26. Motor Mou nt — T o ensure prop er fan height, replace the exi sting m otor mount with th e new moto r mount pr ovided wit h a ccess ory . T r ansf ormer (460-v Un its Onl y) — On 460 vo lt unit s , a trans- form er is requi red.
—15— NO TE: When co mpress ors are rotati ng in the wrong di rec- tion, the uni t will have increa sed noise levels and will no t provide heat ing and coolin g.
—1 6— T abl e 4 — Fa n P e rform ance — 581A1 55225 ( Low Heat Units with Opti onal I ndoor F an Motor) LEG END *St and ard low -med iu m stat ic dri ve rang e is 83 4 to 1064 r pm. A lter na te hig h-s tati c driv e r ange is 11 61 t o 1426 .
—17— T able 5 — Fan P erform ance — 581A1802 70 (Lo w Heat Unit s) LEG END *St and ard low -med iu m stat ic dri ve rang e is 87 3 to 1021 r pm. A lter na te hig h-s tati c driv e r ange is 10 25 t o 1200 . Ot her rpms requ ire a f i eld- su pp li ed d ri ve.
—1 8— T able 6 — Fan P erform ance — 581A2402 70 (Lo w Heat Unit s) LEG END *S t andar d low -me dium st atic d riv e range is 1002 to 1 15 1 rpm. A lte r nat e hig h-s tati c driv e r ange is 11 93 t o 1369 . Ot her rpms requ ire a f i eld- su pp li ed d ri ve.
—19— T able 7 — Fan P erf orma nce — 581A15 5300 (High Heat Units with Standard In door Fan Motor LEG END *St and ard low -med iu m stat ic dri ve rang e is 83 4 to 1064 r pm. A lter na te hig h-s tati c driv e r ange is 11 61 t o 1426 . Ot her rpms requ ire a f i eld- su pp li ed d ri ve.
—2 0— T able 8 — Fan P erformance — 581A15530 0 (High Heat Units wit h Option al Indoor F an Motor ) LEG EN D *St and ard low -med iu m stat ic dri ve rang e is 83 4 to 1064 r pm. A lter na te hig h-s tati c driv e r ange is 11 61 t o 1426 . Ot her rpms requ ire a f i eld- su pp li ed d ri ve.
—21— T able 9 — Fan P erf ormanc e — 581A180 360 (High Heat Units) LEGE ND *St and ard low -med iu m stat ic dri ve rang e is 87 3 to 1021 r pm. A lter na te hig h-s tati c driv e r ange is 10 25 t o 1200 . Ot her rpms requ ire a f i eld- su pp li ed d ri ve.
—2 2— T able 10 — Fan P erform ance — 581A2403 60 (High Heat Unit s) LEG END *S t andar d low -me dium st atic d riv e range is 1002 to 1 15 1 rpm. A lte r nat e hig h-s tati c driv e r ange is 11 93 t o 1369 . Ot her rpms requ ire a f i eld- su pp li ed d ri ve.
—23— T able 11 — Air Quant ity Limits T able 12 — Evapor ator F an Mot or Speci f icatio ns BHP — B rake Hor s epow er T able 1 3 — Accessory / FIOP Ec onomizer St atic Pressur e (in. wg) L EG END NOTES: 1. T h e facto r y- as sem ble d ho r i zo nta l ad ap te r subs t an ti al ly imp roves fan pe rfor ma nc e.
—2 4— XIII. GAS HEA T V eri f y ga s pr essu r es b e for e tur ni ng o n h eat a s fol low s: 1. Turn o ff manu al ga s stop . 2. Connect pressu re gage to su pply gas pressure tap (se e Fig . 13). 3. Con nect pr essur e gage t o manif old pre ssure tap on gas valve.
—25— Upon a s econ d-stag e cal l fo r cooli ng , co m pre ssor n o. 1 i s energize d and mechanic al c ooling is integrated with econo- mizer cooling . If the outd oor -air t emperatu re drops b elow 50 F , a c ooling loc kout swit ch prev ents t he comp ress ors f rom running .
—2 6— II. LUBRICA TION A. Compressor s Eac h com pres sor i s cha r ged wi th th e corr ect am ount o f oil at the f actory . Con ventional white oil (Sontex 2 00L T) is used. White oil is c ompatible with 3GS oil , and 3GS oil m ay be used if the a d d ition of oil is requir ed .
—27— 6. Remove jacking bolt and tapped j ack ing bol t p late . 7. Remove the 2 scr ews that secure t he motor moun ting pla te to t he m o to r s up po r t cha n n el. 8. Remove t he 3 screws f rom the end of the motor s up- port chann el that i nterfe re with the m ot or s lid e pat h.
—2 8— 4. Tight en sets crews and re place rubbe r hu bcap to pre- vent hub fr om rusting to m otor shaft. 5. Fill hub rec e ss with permagum if rubber hubcap is missing. VII. ECONOMIZER ADJUSTMENT See T ables 16 and 17 for che ckou t and outdoo r air tempera - tu re si m ulati on.
—29— X. GAS V AL VE ADJUSTMENT A. Natural Gas The ga s valve ope ns and c loses in re sp ons e to the t hermostat o r li mit contro l. When p ower is s uppli ed to valve te rminals D1 and C2, the main valve op ens to its pr eset po sit ion. The re g ular factory s etting is s tamped on the valve body (3 .
—3 0— C. Condenser - Fan Motor Prot ectio n Each condens er -fan motor is internally pro tected agains t ov er t em pe ra t u re. D . High- and Low-Pressur e Sw itches If ei t h er sw it ch t ri p.
—31— 581A180360 AND 581A240 360 Fig. 37 — Spark Gap Adjust ment SEE DET AIL "C" SEE DET AIL "C" SEE DET AIL "C" 581A1552 25 581A180270, 581A240270, AND 581A155300.
—3 2— LEGEND Fig. 38 — T ypical Wiri ng Sch em ati c and Fig. 39 — T ypical Compon ent Arr angement AHA — Adjustable Heat Antici pato r BKR W/A T — Break s with A mp T u rns BR — Bur ner.
—33— Fig. 38 — T ypical Wiri ng Sche m ati c (581A1 80, 208/23 0 V Unit Shown) (co nt).
—3 4— ECONOMIZER OPTION/ACCESSORY Fig. 39 — T ypical Component Arr angement (581A18 0 Shown).
—35— TROUBLESHOO TING Refer to T ables 18 and 19 for tr ouble s hooti ng deta ils . T able 1 8 — Cooli ng Servi ce Anal ysis LEG EN D TXV — Thermost atic E xpan sion V alv e PROBLEM CAUSE REMED Y Co mp res sor and c on de nse r fa n wi ll not start.
—3 6— T able 1 9 — Heati ng Servi ce Anal ysis LEGEN D GR — Gr ou nd PROBLEM CAUSE REMED Y Bu rne rs will not ignite . Mi sa lig ne d sp ar k e l ect ro de s. Ch eck f la me ig ni ti on an d se ns o r el ec tr o de p os it io nin g. A d ju st as ne ed ed .
—37— Refer to Fig . 40 for IGC trou bles hoo ting inf ormation. LEG EN D NOT E: Thermo stat Fa n Swit ch in t he “A UT O” po sition . IDM — Ind uce d-Dra ft M otor IGC — Int egr a ted G a s U nit C o ntro ll er Fig.
Copyright 199 9 Br yant He atin g & Co oling S ystems CA T ALOG NO. 5358-101 P A CKA GED SER VICE T RA INING P ackag ed Se rv ice Trai ni ng pr ograms are an exc ellen t wa y to increas e your kno.
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Copyright 199 9 Br yant He atin g & Co oling S ystems CL-1 CA T ALO G NO. 5358-101 CUT AL ONG DOT T ED LI NE CUT ALONG DO T TED LINE ST ART -UP CHECKLIST I.
An important point after buying a device Bryant 581A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bryant 581A 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 Bryant 581A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryant 581A you will learn all the available features of the product, as well as information on its operation. The information that you get Bryant 581A will certainly help you make a decision on the purchase.
If you already are a holder of Bryant 581A, 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 Bryant 581A.
However, one of the most important roles played by the user manual is to help in solving problems with Bryant 581A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryant 581A 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