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Bryant R-22 - page 1
Applicat ion Guideline and Service Manu al RESIDENTIAL AIR CONDITI ONERS AND HEA T PUMPS USING R - - 22 AND PURON R REFRIGERANT T ABLE OF CONTENTS P AGE UNIT I DENTIFI CA TION 2 ............................. SAFETY CONSIDERA TIONS 3 ......................... INTRODUCTI ON 3 ................................... INST ALLA TION GUI DELINE 3 ........... ...
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Bryant R-22 - page 2
2 T ABLE OF CONTENTS (CONTI NUED) TWO ST AGE NON- -COMMUNICA TING 127A / 226A 67- - 69 .................................... OP ER A TING A MB IEN T 67 ............................. Airflo w S election s (E CM F u rnaces) 67 ..................... Airflo w Selectio n for V ariable Sp eed Fu rn aces (non- - c ommuni c at i ng) 67 ..................... ...
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Bryant R-22 - page 3
3 SAF ETY CONSIDERA TIONS Ins t a ll a t ion, s e r vic e , a nd re pa ir of t he s e unit s s houl d be a tt e mpt e d on ly b y trained serv ice techn icians fam iliar with stan d ard service instru ctio n and train ing m aterial. All e qui pme nt s houl d be i ns ta l le d in acco rd ance w ith accepted practices and u n it Installation In struc ...
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Bryant R-22 - page 4
4 ACCESSO RIES T a ble 1 —R equ ired Field - - Insta lled Accesso ries fo r Air C on ditio n ers ACCESS ORY REQUIRED FOR LOW - - - AMBIENT COOLING APP LICAT IONS (Below 5 5 ° F/12.8 _ C) REQUIRED F OR LONG L INE A PPLI CA - TIONS* REQUIRED F OR SEA C OAST APPLICA TION S (W ithin 2 mi le s/3.22 k m) Ball Be aring Fan Moto r Ye s {} No No Compress ...
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Bryant R-22 - page 5
5 ACCESSO R Y DESCRIPTIONS Refer to T ab le 1 fo r an Accesso ry Usag e Gu id e fo r Air Condit i oner s and T abl e 2 for Hea t Pumps. Refe r to t he appr opr ia t e section b elo w for a d escrip tion o f each accessory an d its use. 1. Cr ankc as e He ate r An ele c t r ic r e s is t a nc e hea t e r whi ch mount s to the ba se of t he com press ...
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Bryant R-22 - page 6
6 LOW- - AMBIENT COOLI NG GUIDELINE Th e min imu m op erating tem peratu re for th ese un its in co olin g mode is 55 _ F/12. 7 _ C outdoor ambi e nt wit hout add itional accessories. Th is equ ipm ent may b e op erated in coo lin g m od e at amb ien t temp eratures b elo w 5 5 _ F/12.7 _ C wh en th e accesso ries listed in T ab le 1 or 2 are insta ...
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Bryant R-22 - page 7
7 BAFFLE-1 MA TL: 20 GA STEEL A06230 3 Sided Deluxe Units (in.) UNI T SIZE AA UNIT HE IGH T A B C D E F G H Medium 33 29 - - - 1/2 23 - - - 13/16 11 - - - 7/8 16 81.9 16 - - - 3/8 80.3 12 - - - 3/4 45 - - - 7/8 32 - - - 15/16 27 - - - 3/16 13 - - - 5/8 36 - - - 5/16 30 - - - 5/8 15 - - - 5/16 39 - - - 3/4 34 17 43 - - - 1/8 37 - - - 3/8 18 - - - 11 ...
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Bryant R-22 - page 8
8 LONG LINE GUIDELINE Refer to Resid ential Pip ing an d L on g Lin e G uid elin e for air condi t i oner a nd he a t pump s yst e ms us i ng Puron re f r ige r a nt or Long Line Guidel i ne f or R- - 22 Air Condit ione r s and H ea t Pumps . CABINET ASSEMBL Y Basic Cabinet Designs Certain main tenan ce ro utin es and repairs requ ire rem ov al of ...
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Bryant R-22 - page 9
9 Access C ompres sor O r Oth er In terna l Cab in et Comp on ents NOTE : It is n o t necessary to remov e the to p cov er to gain access. Rem oving t he top cove r ma y c a us e gr i l l pa ne l s, corne r post s , louve r s or coil s t o be da ma ge d. It is re c omm ende d t o prot e ct the top cove r f r om da ma ge of tools , be lt buckl e s , ...
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Bryant R-22 - page 10
10 Legacy R NC and L egacy L ine A C Cont rol Box Legacy R NC and L egacy L ine H P C ontr ol B ox Fig. 4 – Le gacy R NC and Le gac y Li ne C ontr ol Box I de nti f ic at i on ...
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Bryant R-22 - page 11
11 Labeling Th e wirin g sch ematic, su b - - co olin g chargin g tables with instru ctio ns, and w arnin g labels. R efer to Fig. 5 for label locatio n . Fig. 5 – Figur e Labe l s ...
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Bryant R-22 - page 12
12 ELECTRICAL ELECTRICAL SHOCK HAZARD Fai l ur e to fol l ow thi s war ning coul d re s ult i n per s onal i nj ur y or dea t h. Ex ercise extreme cautio n wh en w ork in g on any electrical com ponent s . Shut of f all pow er t o sys t em pr ior to tr oubl e shoot i ng. Some t roubl e s hooti ng te c hnique s r e quir e powe r t o r e ma in on. In ...
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Bryant R-22 - page 13
13 Use fo llow in g fo rmu la to calculate cap acitan ce: Capa c i ta nc e ( mf d)= ( 2650 X amps )/ vol ts 3. Re move a ny ca pa ci t or t hat shows signs of bulgi ng, dents , or leakin g . Do no t appl y po wer to a defectiv e capacito r as it ma y expl ode . Some ti me s unde r adve rs e c ond i ti ons , a st a nda r d run ca pa c it or i n a sy ...
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Bryant R-22 - page 14
14 Press ure S wi tches Pre s s ure s wi t c he s ar e prot ec t i ve devi c e s wire d int o cont rol c i rc ui t (l ow volt a ge ). The y shut of f compre s s or i f abnorm al l y high or low pressu res are p resent in the refrig eration circu it. P uro n p ressure switch es are specifically d esign ed to o perate with Pu ro n r sy stems. R - - 2 ...
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Bryant R-22 - page 15
15 Defrost Therm ostat De fr os t t her mos t a t s igna l s he a t pump tha t c ondit i ons a re ri ght f or def r os t or tha t c ondi t ions ha ve c ha nge d to te rm ina t e de f ros t . I t is a the r ma l ly a c t ua te d s wi t ch c l a mpe d t o outdoor c oil to s e ns e it s temp erature. N o rmal tem peratu re rang e is clo sed at 3 0 _ ? ...
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Bryant R-22 - page 16
16 Troubl e s hooti ng ( HK32EA001) If out door uni t wi ll not r un: 1. Doe s t he Y input has 24 volt s f r om t he rm ost a t ? If not, check th ermo stat or wire. If yes proceed to # 2 2. The Y spa de t er mi na l on the c ir c ui t boar d shoul d have 24 volt s i f Y input is e ne r gize d. This out put goes thr ough t he pre s s ur e s wi t c ...
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Bryant R-22 - page 17
17 14. Re move jumpe r betw ee n DFT and R t er mi na ls . Rec onne ct defro st thermo stat lead s. Failure to rem ov e jum p er causes unit to s wi tc h t o de fr os t eve ry 30, 60, or 90 mi nut es and remain in d efrost for full 10 m inu tes. 15. Re pla c e c ont rol box cove r . Res t or e powe r to unit . If de f r ost ther mos t at doe s not ...
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Bryant R-22 - page 18
18 De luxe De f r os t Spee dup (HK32EA 003 CONT.) T o in itiate a force d efrost, speed up p in s (J1) mu st be sho rted w ith a fl a t hea d sc r ewdr i ve r for 5 se c onds a nd RELEASED. If the de fr os t the r mos t at i s ope n, a s hor t defr os t c yc le wi ll be obse r ve d (a ct ua l le ngt h depe nds on Quie t Shif t sw it c h pos it i o ...
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Bryant R-22 - page 19
19 COPELAND S CROLL COMPRESS OR Scroll Gas Flow Compression in the scroll is created by the interaction of an orbiting spiral and a stationary spiral. Gas enters an outer opening as one of the spirals orbits. The open passage is sealed off as gas is drawn into the spiral. By the time the gas arrives at the center port, discharge pressure has been r ...
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Bryant R-22 - page 20
20 Nois y Compr esso r No ise may be caused b y a variety of i ntern al and ex tern al factors. Car e f ul a t t ent i on to t he “t ype ” of noi s e ma y hel p ide nti f y t he sour c e . The foll owi ng ar e s ome exa mpl es of abnor ma l c ond ition s tha t ma y cr e at e obj e c ti ona bl e nois e : 1. A gur gli ng sound ma y indic a te a l ...
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Bryant R-22 - page 21
21 POWER OFF! OHMMETER 0-10 Ω SCALE 5.2 Ω 0.6 Ω 5.8 Ω DEDUCTION: (EXAMPLE) TO DETERMINE INTERNAL CONNECTIONS OF SINGLE- PHASE MOTORS (C,S,R) EXCEPT SHADED-POLE ? ? ? 1 2 2 3 1 3 12 3 2 1 3 (GREATEST RESISTANCE) 5.8 Ω (OHM) (SMALLEST RESISTANCE) 0.6 Ω (REMAINING RESISTANCE) 5.2 Ω 2 2 3 1 IS COMMON (C) BY ELIMINATION IS COMMON, THEREFORE, IS S ...
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Bryant R-22 - page 22
22 Gr ound Circu it T o dete r mi ne i f a wire has br oke n or come in dire c t cont ac t wi t h she l l , ca us i ng a dire c t s hort t o ground, fol l ow the s e st e ps : 1. Al l ow c ra nkc a s e hea t er s t o r em a in on for s e ver a l hours bef or e c hec ki ng mot or to e ns ur e wi ndings ar e not s a t ura t e d with refrig erant. 2. ...
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Bryant R-22 - page 23
23 T able 4— Oi l Char ging REFRIGE RANT COMPRESSOR MOD EL RECHARGE ( FL OZ) OIL TYPE COPELA ND PURON ZP16 - - - 26 38 3MA POE ( 32 cSt) PURON ZP32 - - - 41 42 3MA POE ( 32 cSt) PURON P54 53 3MA POE ( 32 cS t) P U R O N --- 2 S T A G E ZPS20, ZPS 30, ZPS40 34 3 M A F --- P O E P U R O N --- 2 S T A G E ZPS49, ZPS51 52 3 M A F --- P O E BRISTOL P ...
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Bryant R-22 - page 24
24 Ser vic e V alve s and Pumpdo wn PERSONAL INJUR Y AND UNI T DAMAGE HAZARD Fai l ur e to fol l ow thi s war ning coul d re s ult i n per s onal i nj ur y or eq u ip men t dam age. Nev er attemp t to mak e repairs to ex istin g service v alves. Un it oper a t e s unde r high pr e ss ur e . Da ma ge d se a t s a nd o- - rings shoul d not be re pl a ...
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Bryant R-22 - page 25
25 Hea ting P isto n (Accu Ra ter r ) - - He at Pumps Only In t hi s pr oduc t li ne , Acc uRat e r pis t ons are used to me te r re f ri ge r ant for he a t pump hea t i ng mode only . All indoor c oi ls ar e s uppl ie d with a bi - - flow T XV fo r metering in th e coo lin g mo de. Accu Rater r pist on has a r ef r i ger a nt met er i ng hol e th ...
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Bryant R-22 - page 26
26 Rev ersing Va lve In he a t pumps, change ove r betw e en he a t ing a nd c ool i ng mode s is accom plish ed w ith a v alv e that reverses flo w of refrig eran t in sys t e m. Thi s re ve r s ing val ve de vi ce is ea s y t o troubl e s hoot a nd replace. Th e reversin g valv e solen oid can b e check ed with p ow er off with an o hm meter . Ch ...
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Bryant R-22 - page 27
27 Liquid Line Filter D rie r Filter d riers are specifically desig n ed fo r R - - 2 2 or P u ron r re f r ige r a nt. Only ope r a te wit h t he a ppropr i a te dri e r usi ng f a c tor y aut hor i ze d c ompone nt s . It i s r ec om me nded tha t t he li qui d l i ne dri e r be inst a l le d at the indoor uni t . Plac i ng the dr ie r ne a r the ...
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Bryant R-22 - page 28
28 Accumu la tor Th e accumu lator is specifically desig n ed to op erate with Pu ron r or R22 r e s pe ct f ull y; use only fa c tor y- - aut hor i ze d compone nts . Unde r som e light l oa d c ondit i ons on indoor c oi l s, li qui d ref r i ge ra nt is present in suctio n g as retu rn ing to co mp ressor . Th e accumu lato r stores liqu id and ...
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Bryant R-22 - page 29
29 Thermostatic Expansion Valve (TXV) All fan coils and fu rn ace coils will hav e a factory in stalled therm ostatic ex p ansio n v alve (T XV ). T he T XV will be a b i - - flow, har d- - shut of f wi th a n e xt e rna l equa li z e r and a ba l a nc e por t pin. A har d shut- - of f TXV does not have a ble e d port. Ther ef or e , mi nima l e qu ...
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Bryant R-22 - page 30
30 Re plac i ng TXV on an I ndoor Coil (pr e- - 2006) 1. Pump s ys t em down to 2 ps i g a nd re c ove r re f ri ge r a nt. 2. Rem ov e coil access p an el and fitting pan el fro m fro nt of cabin et. 3. Re move TXV s uppor t c l a mp us ing a 5/16- - in. nut dr ive r . Sav e the clam p. 4. Re move R- - 22 TXV usi ng a bac kup wr e nc h on fl a r e ...
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Bryant R-22 - page 31
31 REFRIGERA TION SYS TEM REP AIR Leak Detecti on Ne w inst a l la t i ons shoul d be che c ked f or l e aks pri or to c omplet e cha r ging. If a syst e m has lost a l l or most of it s cha r ge , s ys te m must be pr e s s uri z e d a gai n t o a pproxi ma t e ly 150 ps i mini mum and 375 psi ma xim um. This ca n be done by addi ng r ef r i ger a ...
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Bryant R-22 - page 32
32 Compressor Re moval and Replace me nt On ce it is determ ined that co mp resso r has failed an d th e reaso n establish ed , com presso r m ust b e rep laced. PERSONAL INJUR Y HAZARD Failu re to follow th is caution m ay result in perso n al inju ry. Turn o ff all po wer to u nit b efo re pro ceedin g . W ear safety gla s s e s, pr ot e c ti ve ...
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Bryant R-22 - page 33
33 Evacuation Prope r e va c uat i on of the sys t e m wil l re move non- - c ondens i bl es and ass ur e a tight , dry sys te m bef ore c ha r ging. The 2 me thods us e d to ev acu ate a system are the deep v acu um meth o d an d the trip le eva c ua t ion m et hod. Deep V a cuu m Method The de e p va c uum me t hod r equi r e s a va c uum pump ca ...
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Bryant R-22 - page 34
34 TROUBLESHOOTING WITH SUPERHEA T This t r ouble s hoot ing rout i ne wa s de ve lope d t o dia gnose cool i ng probl e ms us i ng super he a t in TXV s ys te ms . I t is ef fe ct i ve on he a t pumps in cool i ng mode as we ll as a i r condit i oner s . The sys te m mu st utilize a T XV as th e exp ansio n dev ice in coo ling m od e. Basi c Di ag ...
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Bryant R-22 - page 35
35 High Supe r he at wit h Nor mal or High Suct i on Pressu re NOTE : Norm al to High su ction p ressure is consid ered for R- -22: > ∼ 65 psi g, Puron: > ∼ 110 psig . A n ap plicatio n i ssue or othe r s ys te m com pone nt fa i lur e t ypi ca lly ca us e s thi s c ond ition . 15. Che c k ai r f low , sens i ng bul b ti ght ne ss , or ie ...
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Bryant R-22 - page 36
36 T able 6— Pur on Syst e m Suct ion Pr e s sur e Dr op Nomi na l Size (Btuh) Suction Line OD (in.) Pressur e Drop (ps i/ 100 ft) Suction Vel oci ty fpm Puron Su ction Line Pressure Dr op (psig) T ot al E quivalent Line Length (ft) 20 50 80 100 125 150 175 200 225 250 18000 18000 18000 1/2 9.9 1649 2 5 8 10 12 15 17 20 22 25 5/8 3.1 1018 1 2 2 3 ...
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Bryant R-22 - page 37
37 T able 7— R- - 22 Syste m Suct ion Pr ess ur e Dr op Nomi na l Size (Btuh) Line OD (in.) Pressur e Drop (ps i/ 100 ft) Suction Vel oci ty Fpm R - - - 22 Suction Line Pr essure Dr op (p sig) T ot al E quivalent Line Length (ft) 20 50 80 100 125 150 175 200 225 250 18000 18000 18000 18000 5/8 13.6 2563 3 7 11 14 17 20 24 27 31 34 5/8 4.0 1539 1 ...
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Bryant R-22 - page 38
38 T able 8— Pur on r R efrigera n t Pressure T emp eratu re Cha rt PSIG PSIG ° F PSIG ° F PSI G ° F PSIG ° F PSIG ° F PSIG ° F 12 - - 38.2 1 18 39.9 224 76.9 330 102. 9 436 123.3 542 140.2 14 - - 35.3 120 40.8 226 77.4 332 103.3 438 123.6 544 140.5 16 - - 32.5 122 41.6 228 78.0 334 103.7 440 124.0 546 140.8 18 - - 29.9 124 42.5 230 78.5 33 ...
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Bryant R-22 - page 39
39 T a ble 9 —R - - 22 R efrigera n t Pressure T emp eratu r e Rela tion sh ip psig ° F psi g ° F psi g ° F ps ig ° F ps ig ° F psig ° F psi g ° F 7 - - 25.9 71 41.7 135 76.2 199 101.1 263 120.9 327 137.5 391 152.0 8 - - 24.0 72 42.3 136 76.7 200 101.4 264 121.1 328 137.8 392 152.2 9 - - 22.1 73 43.0 137 77.1 201 101.7 265 121.4 329 138.0 ...
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Bryant R-22 - page 40
40 T able 10— Pur on Subcool i ng Chart 2 4 6 8 10 12 14 16 18 20 200 70 68 66 64 62 60 58 56 54 52 50 210 73 71 69 67 65 63 61 59 57 55 53 220 76 74 72 70 68 66 64 62 60 58 56 230 79 77 75 73 71 69 67 65 63 61 59 240 82 80 78 76 74 72 70 68 66 64 62 250 84 82 80 78 76 74 72 70 68 66 64 260 87 85 83 81 79 77 75 73 71 69 67 270 89 87 85 83 81 79 7 ...
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Bryant R-22 - page 41
41 T able 1 1—Pur on Super he at Char t 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 80 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 82 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 84 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 86 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 88 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 90 26 28 30 ...
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Bryant R-22 - page 42
42 T able 12—R - -2 2 Subc ooli ng Char t 2 4 6 8 10 12 14 16 18 20 22 24 26 1 2 0 7 0 6 86 66 46 26 05 85 65 45 25 04 84 64 4 1 2 5 7 2 7 06 86 66 46 26 05 85 65 45 25 04 84 6 1 3 0 7 4 7 27 06 86 66 46 26 05 85 65 45 25 04 8 1 3 5 7 6 7 47 27 06 86 66 46 26 05 85 65 45 25 0 1 4 0 7 9 7 77 57 37 16 96 76 56 36 15 95 75 55 3 1 4 5 8 1 7 97 77 57 ...
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Bryant R-22 - page 43
43 T able 13— R- - 22 Superhe at Char t 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 50 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 51 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 52 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 53 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 54 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 55 30 32 34 ...
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Bryant R-22 - page 44
44 TWO- - ST AG E (286ANA, 288ANA, 180ANA, 187ANA) Applic ation Guide lines Brya nt des igne d a nd t es t e d the two- - st a ge air condi t ione r a nd he at pump pr oduct s with Pur on r e fr i ge r ant t o oper a t e at a mi nim um outdoor ope r a ti ng a mbi e nt i n c ool ing m ode a t 55 _ F without l ow am bie nt cool i ng ena bl e d a nd t ...
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Bryant R-22 - page 45
45 Airflo w Selecti ons for 187ANA / 286ANA / 180ANA024,36, 48 / 180ANA060 / 288ANA024,36, 48, 60 Using Non - - Communi cating (Non- - Evolu tion) Thermost ats Air f low Sel ec t ion for 315AAV/ 355AAV F urn a ces The 315AA V/355AA V vari a ble- - spe e d fur n aces pr ov id e hig h - - an d low - - stage blo wer op eratio n to match th e capacitie ...
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Bryant R-22 - page 46
46 S The ODF fa n dela y def e at c a n be toggl e d by shor ti ng t he for c e d defr os t pi ns for > 15 sec onds whi l e i n the st a ndby mo de (status LE D o n solid ). Th e LE D will start to flash whe n the toggl e ha s ta ke n pl ace. S Sta t us code 4 show s the fa n del ay defe a t i s act i ve (no del a y) S Sta t us c ode 3 shows t h ...
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Bryant R-22 - page 47
47 SYSTEM FUNCTIO NS AND SEQUENCE OF OPERA TION The outdoor unit cont r ol sys t e m has spec i a l func t i ons. The fol l owi ng is an over vi e w of the tw o - - sta ge c ont r ol func t ions : Cooling and Heat ing Oper at ion 286A/187ANA a nd 288ANA/180ANA (wi th se ri a l numbe r s st a r ti ng wi t h 3809 and l a te r ) u tilize eith er a sta ...
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Bryant R-22 - page 48
48 Fan Motor Fan mo to r rotates th e fan blad e that either d raws o r blo ws air thr ough out door coi l to excha nge heat be t we e n re f r i ger a nt a nd ai r . Mo tors are to tally en clo sed to in crease reliability. T his also elimin ates need for rain shield . ELECTRICAL SHOCK HAZARD Fai l ur e t o f oll ow t hi s war ning c oul d r e sul ...
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Bryant R-22 - page 49
49 Time Delays The unit t i me de la ys i nc lude : S Fiv e min u te time d elay to start co olin g o r h eating oper a t ion whe n ther e i s a c al l f rom t he the r mos t a t or us e r interface. T o bypas s t his fe a tur e , mome nt a r il y shor t and release Fo rced Defro st p ins. S Five minut e c ompr e s sor re- - cyc l e del a y on re t ...
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Bryant R-22 - page 50
50 CONTROL BOX Co nta ct or A nd Capa cit o r Rem oval of t he i nfor ma t ion pla t e e xpose s the cont r ol c ompone nt s . Both air condi t ione r and heat pum p cont r ol boxe s wil l appe a r to be nearly id entical. T h ere are two co ntacto rs, two cap acitors, a co n trol bo ard and a co mp resso r start assist. Th e co ntacto rs are ident ...
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Bryant R-22 - page 51
51 UTILITY RELAY * UTILITY SIGNAL OPEN RELAY * SUPPLIED BY UTILITY PROVIDER MODEL PLUG LLS Liquid Line Solenoid MODEL PLUG A06525/. A 06526 Fig. 36 – 2- - Stage Contr ol Boar d TROUBLESHOOTING Troubleshooting (HK38EA003, 008, 010, 015) circu it b oard s. The Evolut i on Ser ie s out door unit s a l l use t he s a me c ontr ol boa r d. A mode l pl ...
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Bryant R-22 - page 52
52 230v Brown - - Out Protection Defe ated The brownout f e a tur e c a n be def ea t e d if nee de d for se ver e noi s y powe r condit i ons . This defe at shoul d alw ays be a las t re s ort t o solv in g th e p rob lem. Defeat is availab le o n the U ser Interface se t up scr e e n (a va i la bl e wit h SYSTXBBU ID01- - C UI) or ca n be initiat ...
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Bryant R-22 - page 53
53 Unloader Test Procedure The unloa de r i s the c ompr e s s or int e rna l mec ha nis m, c ont rol l e d by the DC sol e noid, that modula t es bet we en hi gh a nd l ow s ta ge . If it is s us pe c te d tha t the unl oa de r is not working, t he fol low ing me thods may be use d t o ve ri f y ope ra t i on. 1. Op erate th e system an d m easure ...
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Bryant R-22 - page 54
54 Sta tus C ode s T a ble 17 shows t he s t a tus c ode s f la s he d by t he a mbe r sta t us li ght . Mos t s ys t e m pr oble ms ca n be di a gnos e d by re a di ng the st a t us code as fla s he d by the ambe r st a tus light on the contr ol boar d. The code s a r e f la s he d by a se ri e s of s hort a nd long f la s he s of the status lig h ...
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Bryant R-22 - page 55
55 RVS/Heat Stage 2 O/B W 2 Heat Stage 1 W /W 1 Compressor Low Y 1 Compressor High Y/Y 2 Fan G 24VAC Hot Heating Rh 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 24VAC Comm on C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT/RRS Com OAT/RRS Outdoor Sensor * Humidifier Solenoid Valve * Remote Room Sensor * O Y1 W1 G W2 C Y2 R ...
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Bryant R-22 - page 56
56 TWO - - ST AGE 286B /289B/180B/187B Applic ation Guide lines Brya nt des igne d a nd t es t e d the two- - st a ge air condi t ione r a nd he at pump pr oduct s with Pur on r e fr i ge r ant t o oper a t e at a mi nim um outdoor ope r a ti ng a mbi e nt i n c ool ing m ode a t 55 _ F without l ow am bie nt cool i ng ena bl e d a nd the maxi mum ...
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Bryant R-22 - page 57
57 Airflow S elec tions for 187B / 286B / 180B /289B Using N on- - Co mm unic at ing (N on- - Evol ution) Th ermosta ts Air f low Sel ec t ion for 315AAV/ 355AAV F urn a ces The 315AA V/355AA V vari a ble- - spe e d fur n aces pr ov id e hig h - - an d low - - stage blo wer op eratio n to match th e capacities of th e com presso r at h igh an d lo ...
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Bryant R-22 - page 58
58 S The ODF fa n dela y def e at c a n be toggl e d by shor ti ng t he for c e d defr os t pi ns for > 15 sec onds whi l e i n the st a ndby mo de (status LE D o n solid ). Th e LE D will start to flash whe n the toggl e ha s ta ke n pl ace. S Sta t us code 4 show s the fa n del ay defe a t i s act i ve (no del a y) S Sta t us c ode 3 shows t h ...
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Bryant R-22 - page 59
59 SYSTEM FUNCTIO NS AND SEQUENCE OF OPERA TION The outdoor unit cont r ol sys t e m has spec i a l func t i ons. The fol l owi ng is an over vi e w of the tw o - - sta ge c ont r ol func t ions : Cooling and Heat ing Oper at ion The 286B/187B/ 289B/ 180B model u tilizes either a stan dard 2- - sta ge indoor the r mos ta t or Evol ut ion Communi c ...
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Bryant R-22 - page 60
60 The outdoor I nt e gra l Cont rol M otor ( ECM ), i s a var ia bl e- - spe ed motor whi c h ope ra t e s fr om 450 t o 850 r pm. The mot or is a dc per ma ne nt ma gne t- -type motor w it h the ele c t r onic c ont r ols integ rated into its rear co v er . T h e con trol pack ag e inclu des a small diode br i dge , c apa c i tor s , a nd power s ...
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Bryant R-22 - page 61
61 Muffl er, Accumu la tor, Reversi ng Val ve (RVS) The Puron r t wo- - s ta ge a i r c ondi ti one r s and he a t pumps have a com pre s s or dis cha r ge li ne m uf fle r , to dampe n sound pr e s s ure puls a t ions . The Puron r t wo- - s ta ge he a t pumps have a s pe ci f i ca lly de s igne d re ve r si ng va lve , f or Puron r app lication a ...
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Bryant R-22 - page 62
62 UTILITY RELAY * UTILITY SIGNAL OPEN RELAY * SUPPLIED BY UTILITY PROVIDER MODEL PLUG LLS Liquid Line Solenoid MODEL PLUG A06525/. A 06526 Fig. 45 – 2- - Stage Contr ol Boar d TROUBLESHOOTING Troubleshooting (HK38EA015) circuit board The Evolut i on Ser ie s out door unit s a l l use t he s a me c ontr ol boa r d. A mode l plug is use d t o ide ...
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Bryant R-22 - page 63
63 230v Brown - - Out Protection Defe ated The brownout f e a tur e c a n be def ea t e d if nee de d for se ver e noi s y powe r condit i ons . This defe at shoul d alw ays be a las t re s ort t o solv in g th e p rob lem. Defeat is availab le o n the U ser Interface se t up scr e e n (a va i la bl e wit h SYSTXBBU ID01- - C UI) or ca n be initiat ...
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Bryant R-22 - page 64
64 Temp eratu re Th ermisto rs Th ermisto rs are electro nic d ev ices wh ich sen se temp eratu re. As th e temp erature i ncreases, th e resistance decreases. T herm istors are use d to se ns e out door ai r ( OA T) and c oi l t em per a t ure ( OCT). Refer to F ig. 4 3 for resistance v alu es versu s temp erature. If t he out door a ir or c oi l ...
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Bryant R-22 - page 65
65 T able 20— T wo- - Stage Com pr ess or Re s i st anc e s (W inding Res i s tanc e at 70 _ F ±20 _ ) Winding 286BN A024 286BN A036 286BN A048 286BN A060 Sta rt (S - - C) 1.40 1. 29 1. 52 0.60 Run (R- - C) 1.32 0. 89 0. 64 0.49 Stat us Code s T a ble 21 shows t he s t a tus c ode s f la s he d by t he a mbe r sta t us li ght . Mos t s ys t e m ...
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Bryant R-22 - page 66
66 RVS/Heat Stage 2 O/B W 2 Heat Stage 1 W /W 1 Compressor Low Y 1 Compressor High Y/Y 2 Fan G 24VAC Hot Heating Rh 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 24VAC Comm on C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT/RRS Com OAT/RRS Outdoor Sensor * Humidifier Solenoid Valve * Remote Room Sensor * O Y1 W1 G W2 C Y2 R ...
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Bryant R-22 - page 67
67 TWO ST AGE NON - - COMMUNICA TING 127A/226A Thes e uni t s ar e a l ow c os t 2- - st age opti on tha t i s no n - - co mm un icating u tilizin g 2 stage scroll tec hnol ogy . These unit s re quir e Per f or ma nce Boos t fur na c e (313AA V , 353AA V), var i a ble s pe e d fur nac e ( 355AA V , 315AA V) or new model va r ia bl e spe e d f an c ...
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Bryant R-22 - page 68
68 SYSTEM F UNCTION AND SEQUENCE OF OPERA TION NOTE : D ef r os t c ont r ol board i s equi ppe d wit h 5 mi nut e loc kout timer th at is initiated upon any i nte r r upti on of powe r . T urn on power t o indoor and outdoor unit s . Tra ns f or me r is energi zed. Cooling On a call for coo lin g, th ermo stat makes circuits R - - O, R - - Y , and ...
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Bryant R-22 - page 69
69 CHECK CHARGE Fac t or y c har ge a mount and de s ir e d subc ool ing a r e shown on unit rating p late. Chargin g meth od is sho wn o n inform ation p late in side unit . T o prope r l y che ck or adjus t cha r ge, c ondit i ons must be fa vor a ble f or s ubc ooli ng cha r ging. Fa vor a ble c ondi t ions exis t whe n the outdoor te mpe r a tu ...
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Bryant R-22 - page 70
70 TWO ST AGE COMMUNICA TING 167A/266A Thes e unit s pr ovi de an Evol uti on c a pabl e 2 s t age product in the Preferred lin e utilizing 2 stag e scroll tec hnol ogy . The s e units a r e des i gne d us ing t he ful l- - c oil ca bi ne t wi t h i s c ur r e ntl y us e d for the Lega c y Line pr oduct s . Alt hough the de luxe c a bi net us e d i ...
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Bryant R-22 - page 71
71 GENERAL INFORMA TION Evolution Controlle d Low Ambient Cooling This unit i s ca pa bl e of low am bie nt cool i ng down t o 0 ° F (- - 17.8 ° C) wit hout a kit ONL Y whe n usi ng a n Evol uti on Contr ol . A l ow am bie nt ki t i s not requi r e d for Evoluti on cont rol l e d low a mbie nt oper a t ion. The Evoluti on Contr ol provi de s a n ...
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Bryant R-22 - page 72
72 Quiet Shif t Qu iet Sh ift is a field - - selectable d efro st mo de w hich may elim in ate occasio n al no ise that co u ld b e h eard at th e start o f th e d efro st cycle and restartin g o f the h eating cy cle. On a no n - - co mm un icatin g system , th is feature m ust b e en abled by selecting th e 3r d po sition of th e 3 - - po sition ...
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Bryant R-22 - page 73
73 SYSTEM FUNCTIO NS AND SEQUENCE OF OPERA TION The 266A model s u tilize either an E v olu tion Co mmu n icating U ser Int e r fa c e or a 2-s ta ge c ool ing i ndoor the r mos t a t. W it h a c al l f or fi r s t st a ge c ooli ng, t he outdoor f a n and l ow- st a ge c ompr e ss or ar e ene r giz e d. If l ow- s t age ca nnot sa t is f y cool i ...
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Bryant R-22 - page 74
74 UTILITY RELAY * UTILITY SIGNAL OPEN RELAY * SUPPLIED BY UTILITY PROVIDER MODEL PLUG A06525 LLS Liquid Line Solenoid MODEL PLUG A06526 Fig. 54 – 2- - Stage Contr ol Boar d TROUBLESHOOTING Sy stems Commu ni cati on Fa ilu re If comm un ication w ith the Ev olu tio n con trol is lost with the User Interface, th e co ntro l will flash the ap p rop ...
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Bryant R-22 - page 75
75 and OCT fa ult s wi ll not be c l e ar e d. The code wi l l cont i nue to be fl a s he d. The cont r ol is s hi ppe d with the br ownout a c ti ve . The cha nge in st a t us i s re m em ber e d unt il t oggle d t o a new s t a tus . A powe r down/pow er up se que nc e wi ll not r e s e t the s t a tus . it ma y be nec e s s a ry t o do t he togg ...
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Bryant R-22 - page 76
76 The t he r mi st or compa r is on is not pe r for me d duri ng low a mbi ent cool i ng or def ros t ope r a ti on. Faile d Thermist or De fault Ope ra tion Fac t or y defa ul t s ha ve be e n pr ovide d in t he eve nt of fa il ur e of outdoor a i r the rmis t or ( OA T) and/ or out door coil t he r mis t or (OC T). If t he OA T sens or s houl d ...
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Bryant R-22 - page 77
77 Stat us Codes T a ble 23 shows t he s t a tus c ode s f la s he d by t he a mbe r sta t us li ght . Mos t s ys t e m pr oble ms ca n be di a gnos e d by re a di ng the st a t us code as fla s he d by the ambe r st a tus light on the contr ol boar d. The code s a r e f la s he d by a se ri e s of s hort a nd long f la s he s of the status lig h t ...
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Bryant R-22 - page 78
78 CARE AND MAINTENANCE T o ass ure high pe r for ma nce and m ini mi z e pos si bl e e qui pme nt ma lf unc t ion, i t i s e s se nt i al t ha t ma i nte nance be per f or me d per i odi ca l l y on thi s equi pme nt. The f r eque nc y wi t h whic h ma int e na nc e is pe r f orm ed is de pe nde nt on suc h fac t or s as hour s of oper a t ion, ge ...
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Bryant R-22 - page 79
79 Final C he ck- - Out Aft e r t he unit ha s be e n oper a ti ng, t he fol l owi ng it e ms s houl d be check ed . 1. Che c k tha t uni t oper a t iona l noi s e i s not exce s s i ve due to vibr a t ion of com pone nt, t ubi ng, pa nel s , e tc . If pr e s ent , isolate p ro blem an d co rrect. 2. Ch eck to b e su re caps are in stalled on serv ...
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Bryant R-22 - page 80
80 NO COOLING OR INSUFFICIENT COOLING COMPRESSOR WILL NOT RUN CONTACTOR OPEN POWER SUPPLY DEFECTIVE LOW-VOLTAGE TRANSFORMER OPEN THERMOSTAT OPEN CONTROL CIRCUIT LOSS OF CHARGE CONTACTOR OR COIL DEFECTIVE LOOSE ELECTRICAL CONNECTION CONTACTOR CLOSED COMPRESSOR POWER SUPPLY OPEN LOOSE LEADS AT COMPRESSOR FAULTY START GEAR (1-PH) OPEN SHORTED OR GROUN ...
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Bryant R-22 - page 81
81 NO HEATING OR INSUFFICIENT HEATING COMPRESSOR WILL NOT RUN CONTACT OPEN DEFECTIVE LOW- VOLTAGE TRANSFORMER REMOTE CONTROL CENTER DEFECTIVE CONTACTOR COIL OPEN OR SHORTED OPEN INDOOR THERMOSTAT LIQUID-LINE PRESSURE SWITCH OPEN LOSS OF CHARGE OPEN CONTROL CIRCUIT CONTACTOR CLOSED COMPRESSOR POWER SUPPLY LOOSE LEADS AT COMPRESSOR FAULTY START GEAR ...
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Bryant R-22 - page 82
82 NO COOLING OR INSUFFICIENT COOLING COMPRESSOR WILL NOT RUN CONTACTOR OPEN POWER SUPPLY DEFECTIVE LOW-VOLTAGE TRANSFORMER OPEN THERMOSTAT OPEN CONTROL CIRCUIT LOSS OF CHARGE CONTACTOR OR COIL DEFECTIVE LOOSE ELECTRICAL CONNECTION CONTACTOR CLOSED COMPRESSOR POWER SUPPLY OPEN LOOSE LEADS AT COMPRESSOR FAULTY START GEAR (1-PH) OPEN SHORTED OR GROUN ...
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Bryant R-22 - page 83
83 INDEX OF T ABLES DESCRIPTI ON T ABLE # Req uired F ield - - In stalled A ccessories fo r Air C on d ition ers 1 ............................................................... Req ui red Field - - In stalled Accesso ries for Heat Pu mp s 2 .................................................................. De fr os t Contr ol Spe e d- - Up Tim in ...
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Bryant R-22 - page 84
84 Manufacturer reserves the right to discontinue, or change at any time, s pecifications or designs without notice and without incur ring obligations. E 2012 Bryant H eating & Cooling Sys tem s 7310 W . Mo rr is S t. Indianapolis , IN 46231 Edition Date: 05/12 R e p l a c e s : S M 0 1 --- 5 C a t a l o g N o . S M 0 1 --- 6 ...
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