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Bryant 524J - page 1
524J P ACKAG ED AIR - - HANDL ING UNITS, 60 H z WITH P URON R (R - - 410A) REFRIG ERANT SIZES 25, 28, 30 Installation, Start - - Up and S ervice Instructions T ABLE OF CONTENTS SAFET Y CONSIDER A TIONS 1 ................... PR E - - IN ST ALLA TION 2 ......................... Moving and Storage 2 .......................... Rigging 2 ............... ...
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Bryant 524J - page 2
2 ELECTRIC AL SHOCK HAZARD Failure t o follow this warning could c ause in pe rs onal injury or dea th. Before performi ng s ervice or mai ntenance opera tions on unit, a lways turn of f main power switc h to unit and install l ockout tag. Unit may have more than one power switch. ! W ARNING UNIT OP ERA TIO N AND SAFETY H AZARD Failure t o follow t ...
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Bryant 524J - page 3
3 T able 1A — 524J***A Phys ic al Dat a, Engl is h — Cooli ng Unit s UNI T 524J* 25A 28A 30A NOM INAL C AP AC ITY (T on s) 20 25 30 OPERA TI NG W EIGHT (l b) Base Uni t with TXV 730 1050 1062 Plenum 225 325 325 FA NS Qty ...Dia m. (in.) 2...15 2...18 2...18 No minal Airflo w (cfm ) 8000 10000 12000 Airflo w Range (cfm) 6000 – 10000 7500 – 1 ...
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Bryant 524J - page 4
4 T able 1B —524J***A Physi cal Dat a, SI — Cooli ng Units UNI T 524J* 25A 28A 30A NOM INAL C AP AC ITY (kW) 70 87 105 OPERA TI NG W EIGHT (k g) Base Uni t with TXV 331 477 482 Plenum 102 148 148 FA NS Qty ...Dia m. (mm) 2...381 2...457 2...457 Nomi na l Air flow ( L/s) 3775 4119 5663 Airflo w Range (L/ s) 2831 – 4719 3539 – 5899 4247 – 7 ...
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Bryant 524J - page 5
5 T able 1C — 524J*25H Phys ic al Dat a, Engl is h — Heat Pum p Unit s UNI T 524J* 25H NOM INAL C AP AC ITY (T on s) 20 OPERA TI NG W EIGHT (l b) Base Uni t with TXV 720 Plenum 140 FA NS Qty ...Dia m. (in.) 2...15 No minal Airflo w (cfm ) 8000 Airflo w Range (cfm) 6000 - - - 10000 Nominal Motor H p (St anda rd Motor) 208/230 - - - 3 - - - 60 an ...
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Bryant 524J - page 6
6 T able 1D — 524J*25H Phys ic al Dat a, SI — H eat Pum p Unit s UNI T 524J* 25H NOM INAL C AP AC ITY (kW) 70 OPERA TI NG W EIGHT (k g) Base Uni t with TXV 326 Plenum 44 FA NS Qty ...Dia m. (mm) 2...381 Nomi na l Air flow ( L/s) 3775 Airflo w Range (L/ s) 2831 - - - 4719 Nominal Motor kW (Stan dard Motor) 208/230 - - - 3 - - - 60 and 460 - - - ...
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Bryant 524J - page 7
7 UNIT UNIT WEIGHT lb (kg) 524J*25A 730 (331) 524J*25H 720 (326) LEGEND TXV — Thermostatic Expansion V alve NOTES: 1. Dimensions in [ ] are in millimeters. 2. Direction of airflow . 3. Recommended clearance: • Rear: 3 in. [914 mm] (2 ft, 6 in. [762 mm] with electric heat accessory) • Front: 2 ft, 6 in. [762 mm] • Right Side: 2 ft, 6 in. [76 ...
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Bryant 524J - page 8
8 6. 40RUS may require alternate or additional field favricated poping access holes UNIT 524J*28A 524J*30A lb (kg) 1050 (477) 1062 (482) LEGEND TXV — Thermostatic Expansion V alve NOTES: 1. Dimensions in [ ] are in millimeters. 2. Direction of airflow . 3. Recommended clearance: • Rear: 3 in. [914 mm] (2 ft, 6 in. [762 mm] with electric heat ac ...
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Bryant 524J - page 9
9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 5 2 4 J E 2 5 A 0 0 0 A 2 0 A A A _____________ Model T ype Pa cka gi ng 524J = Bryant F an C o il Puron r R - - - 410A Refrigerant A=S t a n d a r d Ty p e o f C o i l Service Options B = High Capacity DX Coil H = DX Coil for Heat Pump Duty A = Standard DX Coil A=N o n e B = Painted Cabinet Indoor Fan Op ...
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Bryant 524J - page 10
10 T ypic al positioni ng and al ternate re turn air loc ations are shown in Fig. 6. Alt ernate return air locati ons can be used by moving the unit panel from t he alterna te re turn air locat ion to t he standa rd return air loc ation. Refe r to overh ead su spen sion acces so ry draw ing ( Fig. 7) fo r preferre d suspension te chnique. The unit ...
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Bryant 524J - page 11
11 Un it Is olatio n - - W here e xtremely qui et ope ration is ess ential, install is olators betw een floor and bas e of unit, or betw een ceiling and top s ection of u nit. Be sure that unit i s leve l and adequatel y supported. Use channe ls at front and sides of unit for refere nce points when leve ling. Refrig eran t Pipin g Acces s - - T he ...
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Bryant 524J - page 12
12 LEGEND: TXV – Therm ostatic Expansion V alve NOTE: Component location arrange metshown for field inst allation of sight glasses, solenoid val ves, filter driers, and TXV sensin g bulbs. The TXVs an d equilizer lines are fa ctory installed. UPPER SPLIT AIRFLOW LOWER SPLIT AIRFLOW 15 DIAMS MIN 10 DIAMS 8 DIAMS MIN TXV SENSING BULB EQUALIZER LINE ...
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Bryant 524J - page 13
13 T able 2 – Factory- - In sta lled N ozzle an d D ist ribu tor D ata UNI T COIL TYP E STD TXV Qty ...Par t No. DISTRIBUT OR Qty ...Par t No. FEEDER TUB ES PER DIST RIBUTOR ] Qty ...Siz e (in.) NOZZL E Qty ...Par t No. 524J* 25A 4R o w 2 . . . B B I Z E --- 8 --- G A 2...D196 - - - 18 - - - 3 / 16 18... 3 / 16 2...G6 524J* 28A 4R o w 2 . . . B B ...
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Bryant 524J - page 14
14 T a ble 3 — F itti ng Requirem ent (c ont) UNI T ACCESS HOLE NO . ] CON NECTI ON TYPE CI RCUIT FIT TINGS REQU IRED † (in .) 524J*30A 1 Suction Lower 1 3 / 8 Street Elbow 1 3 / 8 Nippl e, 3 L 1 3 / 8 Long Radius El bow 2 Liqui d Lowe r 5 / 8 Street Elbow 5 / 8 Nippl e, 7 3 / 4 L 5 / 8 Long Radius El bow 3 Liqui d Uppe r 5 / 8 Street Elbow 5 / ...
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Bryant 524J - page 15
15 Fan Motors and Drives - - Motor and drive packages are factory in stalled in all units . The moto r and d rive packages co ns ist of the follow ing items: 1 — fan motor 1 — adjustabl e motor pull ey 1—f a np u l l e y 2 — matc hed fa n belt s (524J*25A- - 30A uni ts) For instructions on cha nging fa n rotation, changi ng drive speed s an ...
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Bryant 524J - page 16
16 T able 4 – Elect rical Dat a, Sta nd ard Mot ors UNI T V --- P H --- H z { VOL TAGE LIMITS FAN MOTOR POWER SUPPL Y Hp (k W) FLA Minimum Circui t Amps MOCP 524J*25A 524J*25H 208/230 - - - 3 - - - 60 187 - - - 253 5.0 (3.73) 14.7/13.6 18.4/17.0 30/25 4 6 0 --- 3 --- 6 0 414 - - - 506 5.0 (3.73) 6.8 8.5 15 5 7 5 --- 3 --- 6 0 518 - - - 632 5.0 (3 ...
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Bryant 524J - page 17
17 C10695 Fig. 17 - - Unit W iring T able 6 – F an Contactor Coil Data UNI T 524J* VOL TAGE (vac) MAXIMUM HOL DIN G V A 25A , 25H, 28A, 30A 24 10 Conne cting Duc twork - - R efer t o the Syst em De sign Manual for t he recomme nded design and layout of ductwork. Fig. 18 shows recomm ended duct c onnection to units w ith 2 fans . UNIT OP ERA TIO N ...
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Bryant 524J - page 18
18 C10696 Fi g. 18 - - T ypi cal F an Dischar ge Connec tions for M ulti ple Fa n Uni ts C10697 Fig. 19 - - Duct Flange Installation 524J ...
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Bryant 524J - page 19
19 ST AR T - - U P Befor e starting u nit, check the follo wing and cor rect as neces sary : S Is unit soli dly supported? S Is fan adjusted for spee d and pulley a lignment? S Are pulle ys , mot or , and beari ngs secure ly mounted? S Are th ere any loose p arts th at will rattle o r vibr ate? S Is condensate drain pan pit ched for correc t draina ...
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Bryant 524J - page 20
20 Fan Motor Lub ric ation - - Fan motor supplied with unit is permanen tly lubr icated and requ ires no fur ther lubrica tion. Fan Shaft Beari n gs - - Size 25- - 30 units have pillo w- - block bearing s (Fig. 2 2) that must be lubr icated with suitable beari ng grease approxim ately eve ry 3 m onths. See T able 7 for suitable l ubricants. T a ble ...
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Bryant 524J - page 21
21 Indivi dual F an Whee l Adjustm ent - - Loosen the 2 locking bol ts holding fan wheel hub to shaft. See Fig. 22. Pos ition fan wheel in center of the fan housing a nd tighten locking bol ts. Cle arance bet w een whee l a nd hous ing should be the sa me on both sides. Fan Belts - - Motor mounting pl ate and motor support angles are slotted to per ...
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Bryant 524J - page 22
22 Coil Removal - - Remove unit pane ls and corner posts a s required. Disconne ct coil connec tions and rem ove fastening screws. Remove coil t hrough end or side sections of unit . Cleaning Cooli n g Coil - - Remov e return- - air filters . Remov e any heavy dir t that may have accumulated on underside of coil. Coil can be cl eaned m ore easily w ...
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Bryant 524J - page 23
23 Table 8A - - Fan Motor Dat a, Standar d Motor — Engli sh UNI T 524J*25A 524J*25H 524J*28A 524J *30A 208/230 - - - 3 - - - 60 and 460 - - - 3 - - - 60 Speed (rp m) 1745 1745 1745 Hp 5.0 7.5 10.0 Fr am e (NE MA ) S184T S213T S215T Shaft Dia (in.) 1 1 / 8 1 3 / 8 1 3 / 8 5 7 5 --- 3 --- 6 0 Speed (rp m) 1745 1755 1755 Hp 5.0 7.5 10.0 Fr am e (NE ...
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Bryant 524J - page 24
24 T able 8C - - Fan Motor Dat a, Standar d Motor — SI UNI T 524J*25A 524J*25H 524J*28A 524J *30A 208/230 - - - 3 - - - 60 and 460 - - - 3 - - - 60 Speed (r/ s) 29.08 29.08 29.08 Shaft kW 3.73 5.60 7.46 Fr am e (NE MA ) S184T S213T S215T Shaft Dia (mm) 28.6 34.9 34.9 5 7 5 --- 3 --- 6 0 Speed (r/ s) 29.08 29.25 29.25 Shaft kW 3.73 5.60 7.46 Fr am ...
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Bryant 524J - page 25
25 T able 9A - - Standar d Dri ve Data, 60 Hz — Englis h UNI T 524J*25A 524J*25H 524J*28A 524J *30A MOTOR DRI VE Moto r Pulley P itc h Diamet er (in. ) 3.7 - - - 4.7 4.3 - - - 5.3 4.3 - - - 5.3 Pu lley Fa ctory S ettin g Ful l T ur ns O pen 3.0 3.0 3.0 FA N DRI VE Pulley Pitch Dia (in.) 9.4 11.0 11.0 Pulley Bore (in.) 1 7 / 16 1 15 / 16 1 15 / 16 ...
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Bryant 524J - page 26
26 T a ble 9 C - - Hig h - - Sta tic Drive D ata , 60 H z — En glish UNI T 524J*25A 524J*25H 524J*28A 524J *30A MOTOR DRI VE Moto r Pulley P itc h Diamet er (in. ) 4.3 - - - 5.3 4.3 - - - 5.3 4.3 - - - 5.3 Pu lley Fa ctory S ettin g Ful l T ur ns O pen 3.0 3.0 3.0 FA N DRI VE Pulley Pitch Dia (in.) 7.4 8.6 8.6 Pulley Bore (in.) 1 7 / 16 1 15 / 16 ...
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Bryant 524J - page 27
27 T a ble 9 E - - Med ium - - S tatic Driv e Data , 60 Hz — S I UNI T 524J*25A 524J*25H 524J*28A 524J *30A MOTOR DRI VE Moto r Pulley Pit ch Diamet er (mm) 109.2 - - - 134.6 109.2 - - - 134.6 109.2 - - - 134.6 Pu lley Fa ctory S ettin g Ful l T ur ns O pen 3.0 3.0 3.0 FA N DRI VE Pulley Pitch Dia (mm) 239 239 239 Pulley Bore (mm) 36.5 49.2 49.2 ...
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Bryant 524J - page 28
28 T able 10A - - 524J Standard Fan Per for manc e Data — 0.0- - 2.4 in. wg Exte r nal Stat ic Pr es sur e — Englis h UNIT AIRFL OW (Cfm ) EXTER NAL STA TIC PRES SUR E (in. wg ) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 524J* 25A 524J* 25H 6,000 532 1.25 569 1.39 639 1.69 711 2.06 781 2.48 846 2.93 905 ...
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Bryant 524J - page 29
29 T able 10B - - 524J Standar d Fan Per for manc e Data — 0- -600 kPa Exter nal Stat i c Pr e ss ur e — SI UNIT AIRFL OW (L/s) EXTER NAL STA TIC PR ESSU RE (kPa) 0 50 100 150 200 250 300 r/s kW r/s kW r/s kW r/s kW r/s kW r/s kW r/s kW 524J* 25A 524J* 25H 2830 8.86 0.94 9.48 1.04 10.65 1.26 11.84 1.53 13.01 1.85 14.10 2.19 15.08 2.53 3300 10.1 ...
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Bryant 524J - page 30
30 T able 10C - - 524J High- - Capac it y Fan Pe rf or manc e Dat a — 0.0- - 2.4 in. wg Exte r nal Stat ic Pr es sur e — Englis h UNIT AIRFL OW (Cfm ) EXTER NAL STA TIC PRES SUR E (in. wg ) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 524J* 25A 524J* 25H 6,000 542 1.29 577 1042 646 1.72 716 2.09 785 2.51 8 ...
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Bryant 524J - page 31
31 T able 10D - - 524J High- - Capac it y Fan Pe rf or manc e Dat a — 0- -600 kPa Exter nal Stat i c Pr e ss ur e — SI UNIT AIRFL OW (L/s) EXTER NAL STA TIC PR ESSU RE (kPa) 0 50 100 150 200 250 300 r/s kW r/s kW r/s kW r/s kW r/s kW r/s kW r/s kW 524J* 25A 524J* 25H 2830 9.03 0.96 9.62 1.06 10.77 1.29 11.94 1.56 13.08 1087 14.15 2.20 15.12 2.5 ...
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Bryant 524J - page 32
32 Legend and No tes for T ables 10A and 10C LEGEND Bhp - - - Brak e Hors ep owe r Inp ut to F an ESP - - - External Static P ress ure NOTES: 1. Maximum allowable fan speed for size 25 un i ts is 1200 rpm . Maximum allowable f an sp eed for size 28 and 30 units i s 1100 rpm. 2. F an performance is based on d educti ons for wet coil, clean 2-i n. fi ...
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Bryant 524J - page 33
33 524J ...
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Bryant 524J - page 34
34 2011 Bryant H eating and Cooling Sys tem s. D 7310 W . Morr is St. D Ind ianapolis, IN 46231 Pr inted in U .S.A. Edition Date: 01/11 Manufacturer reser v es the right to change, at any time, specifications and designs without notice and without obligations. Catal og No : II524J - - - 07 Replaces : II 524J - - - 05 524J ...
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Bryant 524J - page 35
35 ST AR T- - UP CHECKLIST (SPLIT SYSTEMS WITH 524J UNITS) I. PRELIMINAR Y INFORMA TION OUTDOOR: MODE L NO. I NDOOR: MODEL NO. SERI AL NO. SERI AL NO. ADDITI ONAL ACCESSORI ES II. PR E - - ST ART - - UP OUTDOOR UNIT IS THE RE ANY SHIPPI NG DAMAGE? ( Y/N) IF SO, WHERE: WIL L THIS DAMAGE PRE VENT UNIT ST AR T - - UP? (Y/N) CHEC K POWER SUPPL Y . DOE ...
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Bryant 524J - page 36
36 CHECK VOL T AGE IMBALANCE LINE -TO-LI NE VOL T S: AB V AC V BC V (AB + AC + BC)/ 3 = A VE RAGE VOL T AGE = V MAXIMUM DEVI A TI ON FROM A VE RAGE VOL T AGE = V VOL T AGE IMBALANCE = 10 0 X (MAX DEVIA T ION)/(A VE RAGE VOL T AGE) = IF O V ER 2% V OL T AG E IMB ALA NCE, D O N OT A TTEMPT T O ST AR T SYS TEM ! CALL LOCAL POW ER COMP ANY FOR ASSIST A ...
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