Instruction/ maintenance manual of the product COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B Bryant
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F or m No . PDS 581B .36.5 COMME RCIAL SINGLE P A CKA GE R O OFT OP GAS HEA T/E LECTRIC COOL ING UNITS Bryant ha s designed th e Dura P ac Plus seri es based on custom er needs and req uests to be the most effic ient and rel i- able ever .
2 FEA TURES/BENEFITS (cont) BALL BEARING, PERMANENTL Y - LUBRICA TED MOT ORS PREMIUM QUALITY SCROLL COMPRESSORS DIMPLED HEA T EXCHANGERS BEL T DRIVEN EV APORA TOR F ANS F ACT OR Y -INST ALLED OPTIONAL.
3 FEA TURES/BENEFITS (cont) Thru-the-Bottom Service Connection Capab ility come s standard with the ro oftop unit to allow powe r and control wiring to be routed th rough the unit ’ s basepan, thereb y minimiz ing roof penetr ations (to prev ent water leaks).
4 FEA TURES/BENEFITS (cont) INDOOR AIR QU ALITY (IA Q) The Qua lity of Building Air i s Impr oved as the Dur aP a c Plu s ser ies u tili zes ce r tai n key f eat ures that assi st in im proving indoor air qu ality . A sl oped condens ate pan eliminat es possib le biologi cal gro wth in th e rooftop unit.
5 ARI* CAP A CITIES LEGEN D *Air-Conditioning & Refrigeration Institute. † Applies o nly to units w ith capacit y of 65,000 Btuh or less. **The IP L V is no t applica ble to single-c ompressor units. NO TES: 1. Rated in acc ordance wi th ARI Standar d 210/24 0 (size 036 -120 units) or 360 (size 150 u nits) and 2 70 (size 036 -150 uni ts).
6 OPTIONS AND A CCESSORIES *Indicates a f actor y-installed option. † Indicates a field-installed accessor y . ITEM OPTION* A CCESSOR Y † P erfect Humidity ™ Dehumidif ication P ackage X Inte gr.
7 OPTIONS AND A C CESSORIES (cont) CONTROLLER BAROMETRIC RELIEF DAMPERS OUTDOOR AIR TEMPERA TURE SENSOR GEAR-DRIVEN DAMPER ACTUA TOR ECONOMI$ER PLUG UNIT MOUNTED DISCONNECT ECONOMI$ER F ac tory-inst a.
8 OPTIONS AND A C CESSORIES (cont) MINIMUM POSITION OPEN 3 1 T P P1 T1 4 2 5 S S O D C TR B REV .B 198818A % H U M I D I T Y 90 7 0 60 30 10 D C B A 60 65 70 75 55 50 85 8 0 DAMPER DAMPER CLOSED OPEN OUTDOOR TEMP . ° F R E V . 97 -3 672 CW – SETPOINTS – CCW CONT A CTS SHOWN IN HIGH ENTHA LPY R U S H A T 24 V A C 3 m A M IN .
9 PHYSICAL D A T A LEGEND *Single ph ase/three ph ase. † Indicates au tomatic reset . **581 B 072 unit siz e 036-072 (72,000 Btu heat input) ha ve 2 burners . 581B 115 unit size 036-0 72 (115,000 Btu he at input) ha ve 3 b ur ners. 581B 150 unit size 048-0 72 (150,000 Btu he at input) ha ve 3 b ur ners.
10 PHYSIC AL D A T A (cont) LEGEND *Single ph ase/three ph ase. † Indicates au tomatic reset . **581 B 072 unit siz e 036-072 (72,000 Btu heat input) ha ve 2 burners . 581B 115 unit size 036-0 72 (115,000 Btu he at input) ha ve 3 b ur ners. 581B 150 unit size 048-0 72 (150,000 Btu he at input) ha ve 3 b ur ners.
11 PHYSIC AL D A T A (cont) LEGEND *W eight of 14-in. roof curb . † Rollout s witch lock out is manuall y reset by inte rr upting po wer to unit or reset tin g ther mos tat.
12 PHYSIC AL D A T A (cont) LEGE ND *W eight of 14-in. roof curb . † Rollout s witch lock out is manuall y reset by inte rr upting po wer to unit or reset tin g ther mos tat.
13 B ASE UNIT DIME NSIONS UNIT 581B ST ANDARD UNIT WEIGHT DURABLADE EC ONOM IZE R WEIGHT EC ONOM I$E R WEIGHT CORNER WEIGHT (A) CORNER WEIGHT (B) CORNER WEIGHT (C) CORNER WEIGHT (D) Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb K g 036 530 240 34 15.4 47 21.
14 B ASE UNIT DI MENSIONS (cont) UNIT 581B ST AND ARD UN IT W EIG HT DURABLADE ECONOM IZER W EIGHT ECONOM I$ER WEIGHT CORNER WEIGHT (A) CORNER WEI GHT ( B) CORNER WEIGHT (C) CORNER WEIGHT (D) “ H ”“ J ”“ K ”“ L ” Lb Kg Lb Kg L b Kg Lb Kg Lb Kg Lb Kg ft-in.
15 A CCES SOR Y DIMENSIONS — 58 1B036-072 UNIT SIZE 581B “ A ” ROOF CURB A CCESSOR Y 036-072 1 ′ -2 ″ [356] CRRFCURB001A00 2 ′ -0 ″ [610] CRRFCURB002A00 NO TES: 1. Roof curb a ccessor y is shippe d disassembled. 2. Insul ated pane ls. 3.
16 A CCES SOR Y DIMENSIONS — 58 1B090-150 CONNECT OR PKG. ACCY . BC D AL T DRAIN HOLE “ E ” GAS “ F ” PO WER “ G ” CONTROL CRBTMPWR001A00 2 ′ -8 7 / 16 ″ [827] 1 ′ -10 15 / 16 ″ [583] 1 3 / 4 ″ [44.5] 3 / 4 ″ [19] NPT 3 / 4 ″ [19] NPT) 1 / 2 ″ [12.
17 SELECTION PROCEDURE (With 581B048 Exam ple) I DETERMINE COOLING AND HEA T ING REQUIRE- MENTS A T DESIGN CONDITIONS. Given: Required Cooling Capa city (TC) . . . . . . . . . . 44,600 Btu h Sensib le Heat Capacity (SHC). . . . . . . . . . . . 32,000 Btu h Required Heating Capa city .
18 PERFORMANCE D A T A COOL ING CA P A CITI ES Standard Ratings LEGEND NO TES: 1. Direct interpolation is perm issib le. Do not e xtrapolate. 2. The f ollowing f or mulas ma y be used: Where h ewb = Enthalpy of air entering indoor coil. 3. The SHC is based on 80 F edb temper ature of air entering ev ap- orator coil.
19 PERFORMANCE D A T A (cont) COOLING CAP A CITIES (cont) Standard Ratings LEGEND NO TES: 1. Direct interpolation is perm issib le. Do not e xtrapolate. 2. The f ollowing f or mulas ma y be used: Where h ewb = Enthalpy of air entering indoor coil. 3. The SHC is based on 80 F edb temper ature of air entering ev ap- orator coil.
20 PERFORMANCE D A T A (cont) COOLING CAP A CITIES (cont) Standard Ratings LEGEND NO TES: 1. Direct interpolation is perm issib le. Do not e xtrapolate. 2. The f ollowing f or mulas ma y be used: Where h ewb = Enthalpy of air entering indoor coil. 3. The SHC is based on 80 F edb temper ature of air entering ev ap- orator coil.
21 PERFORMANCE D A T A (cont) COOLING CAP A CITIES (cont) Standard Ratings LEGEND NO TES: 1. Direct interpolation is perm issib le. Do not e xtrapolate. 2. The f ollowing f or mulas ma y be used: Where h ewb = Enthalpy of air entering indoor coil. 3. The SHC is based on 80 F edb temper ature of air entering ev ap- orator coil.
22 PERFORMANCE D A T A (cont) COOLING CAP A CITIES, UNITS WITH PERFECT HUMIDITY ™ OPTION LEGEND NO TES: 1. Direct interpolation is perm issib le. Do not e xtrapolate. 2. The f ollowing f or mulas ma y be used: Where: h ew b = Enthalp y of air entering ev aporator coil.
23 PERFORMANCE D A T A (cont) COOLING CAP A C ITIES, UNITS WIT H PERFECT HUMIDITY ™ OPTION (cont) LEGEND NO TES: 1. Direct interpolation is perm issib le. Do not e xtrapolate. 2. The f ollowing f or mulas ma y be used: Where: h ew b = Enthalp y of air entering ev aporator coil.
24 PERFORMANCE D A T A (cont) COOLING CAP A C ITIES, UNITS WIT H PERFECT HUMIDITY ™ OPTION (cont) LEGEND NO TES: 1. Direct interpolation is perm issib le. Do not e xtrapolate. 2. The f ollowing f or mulas ma y be used: Where: h ew b = Enthalp y of air entering ev aporator coil.
25 PERFORMANCE D A T A (cont) COOLING CAP A C ITIES, UNITS WIT H PERFECT HUMIDITY ™ OPTION (cont) LEGEND NO TES: 1. Direct interpolation is perm issib le. Do not e xtrapolate. 2. The f ollowing f or mulas ma y be used: Where: h ew b = Enthalp y of air entering ev aporator coil.
26 PERFORMANCE D A T A (cont) F AN PERFORMANC E — VER TICAL DISCHARGE UNITS LEGEN D NO TES: 1. Boldface indic ates f ield- supp lied driv e requ ired. ( See Note 2.) 2. Motor drive range is 7 60 to 1090 r pm for standard motor ; 10 75 to 1455 rpm for high-static m otor .
27 PERFORMANCE D A T A (cont) FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEN D NO TES: 1. Boldface indic ates f ield- supp lied driv e requi red. ( See Note 3.) 2. indicates field-sup plied m otor and d rive requ ired. 3. Motor drive range is 8 40 to 1185 r pm for standard motor ; 10 75 to 1455 rpm for high-static m otor .
28 PERFO RMANC E D A T A — (con t) F AN PERFOR MANCE — VERTI CAL DISCHARGE UNITS (cont) L EGEND NO TES: 1. Boldface indic ates f ield- supp lied driv e requ ired.
29 PERFORMANCE D A T A (cont) FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEN D NO TES: 1. Boldface indic ates f ield- supp lied driv e requ ired. ( See Note 3.) 2. indicates field-sup plied m otor and d rive requ ired. 3. Motor drive range i s 1120 t o 1585 r pm for standard motors, 130 0 to 1685 r pm for h igh-static motors.
30 PERFORMANCE D A T A (cont) F AN PERFOR MANCE — VERTI CAL DISCHARGE UNITS (cont) LEGEN D NO TES: 1. Boldface indic ates f ield- supp lied driv e requ ired. ( See Note 3.) 2. indica tes field- supplied mo tor an d drive requir ed. 3. Mot or driv e rang e is 840 t o 1085 rpm f or standar d moto rs; 860 to 1080 rpm for high-static m otors.
31 PERFORMANCE D A T A (cont) F AN PERFOR MANCE — VERTI CAL DISCHARGE UNITS (cont) LEGEN D NO TES : 1. Boldface indic ates f ield- supp lied driv e requ ired. ( See Note 3.) 2. indicates field-sup plied m otor and d rive requ ired. 3. Motor drive range is 840 to 1085 r pm for standard motors, 860 to 108 0 rpm for high-static m otors.
32 PERFORMANCE D A T A (cont) F AN PERFOR MANCE — VERTI CAL DISCHARGE UNITS (cont) LEGEN D NO TES: 1. Boldface indic ates f ield- supp lied driv e requ ired. ( See Note 3.) 2. indicates high sta tic moto r and dr ive require d. 3. Motor drive range is 860 to 108 0 r pm for standar d mot ors; 830 to 1130 r pm for high-static m otors.
33 PERFORMANCE D A T A (cont) FAN PERFORMANCE — HORIZONTAL DISCHARGE U NITS LEGEND NO TES: 1. Boldface indic ates f ield- supp lied driv e requ ired. ( See Note 3.) 2. Mo tor dr ive range is 760 to 1090 r pm for stand ard motor s; 1075 to 14 55 r pm for high-static m otors.
34 PERFORMANCE D A T A (cont) FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont) LEGEND NO TES: 1. Boldface indic ates f ield- supp lied driv e requ ired. ( See Note 3.) 2. indicate s field-suppl ied moto r and dr ive require d. 3. Mo tor dri ve range is 840 to 1185 r pm for stand ard unit s; 1075 to 14 55 r pm for high-st atic motors.
35 PERFORMANCE D A T A (cont) F AN PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND NO TES: 1. Boldface indic ates f ield- supp lied driv e requ ired.
36 PERFORMANCE D A T A (cont) FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont) LEGEND NO TES: 1. Boldface indic ates f ield- supp lied driv e requ ired. ( See Note 3.) 2. indicate s field-suppl ied moto r and dr ive require d. 3. Moto r driv e rang e is 1120 to 1585 rpm fo r stan dard mot ors; 130 0 to 1685 rpm for high-static m otors.
37 PERFORMANCE D A T A (cont) F AN PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND NO TES: 1. Boldface indic ates f ield- supp lied driv e requ ired. ( See Note 3.) 2. indicate s field-suppl ied moto r and dr ive required. 3. Mo tor dri ve range is 840 to 1085 r pm for standar d motors.
38 PERFORMANCE D A T A (cont) F AN PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND NO TES: 1. B oldf ace in dicates field- supplied dr ive required. (See Note 3.) 2. indicate s field-suppl ied moto r and dr ive require d. 3. Mo tor dri ve range is 840 to 1085 r pm for standar d motors.
39 PERFORMANCE D A T A (cont) F AN PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEG END NO TES: 1. Boldface indic ates f ield- supp lied driv e requ ired. ( See Note 3.) 2. indica tes h igh sta tic mot or and d rive requir ed. 3. Mo tor dri ve range is 860 to 1080 r pm for standar d motors and 830 to 1130 for high-st atic motors.
40 PERFORMANCE D A T A (cont) OUTDOOR SOUND PO WER (T O T AL UNIT) LEGEND ECONOMIZER ST A TIC PRESSURE DROP (in . wg) 581B03 6-072 ECONOMIZER ST A TIC PRESSURE DROP (in .
41 PERFORMANCE D A T A (cont) 581B F AN RPM A T MOT OR PULLEY SETTING WIT H ST ANDARD MO T OR 581B F AN RPM A T MOT OR PULLEY SETTING WIT H HIGH-ST A TIC MOT OR EV APORA TOR-F AN MO TOR D A T A — ST.
42 PERFORMANCE D A T A (cont) EV APORA TOR-F AN MO TOR D A T A — HIGH-ST A TIC MOT ORS LEGEND Bhp — Brak e Horsepo wer *Extens ive mot or and electrical tes ting on these un its ensures t hat the full horsepo wer and w atts range of the moto rs can be utiliz ed with con fidence.
43 PERFORMANCE D A T A (cont) 50 40 30 20 10 0 0 0.25 0.5 0.75 1 FLOW (CFM) ST A TIC PRESSURE (in. wg) 3 TO 6 TON 7 1/2 T O 12 1/2 TON 0.25 0.20 0.15 0.10 0.05 0.00 1200 2000 2800 3600 4400 FLOW (CFM) ST A TIC PRESSURE (in. wg) 3 TO 6 TON 7 1/2 T O 12 1/2 TON 0.
44 PERFORMANCE D A T A (cont) AL TITUDE COMPENSA TION* 581B03 6-072 * As the heigh t above sea le vel increases, there i s less oxygen per cubic foot of air . Therefore, heat i nput rate s hould be r educed at higher altitudes. † Orifi ces available through your B ryant d istributor.
45 ELECTRICAL D A T A 581B036-072 ST AND ARD MO T OR (Units Without Electrical Con venience Outlet) 581B036-07 2 ST AND ARD MO TOR (Uni ts With Electrical Con venience Outlet) LEGEND *Used to det er mine minim um disconnect pe r NEC. † Fus e or HACR ci rcuit breaker.
46 ELECTRICAL D A T A (cont) 581B03 6-072 HIGH-ST A TIC MO T OR (Units Withou t Electrical Con venie nce Outlet) 581B036-07 2 HIGH-ST A TIC MO TOR (Uni ts With Electrical Con venience Outlet) LEG END *Used to determine minimum disconnect per NEC. † Fuse or HACR circuit breaker .
47 ELECTRICAL D A T A (cont) 581B090-150 ST AND ARD MO T OR (Units Without Electrical Con venience Outlet) 581B090-15 0 ST AND ARD MO TOR (Uni ts With Electrical Con venience Outlet) LEGEND *Used to determine minimum disconnect per NEC. † Fuse or HACR circuit breaker per NEC.
48 ELECTRICAL D A T A (cont) 581B09 0-120 HIGH-ST A TIC MO T OR (Units Withou t Electrical Con venie nce Outlet) 581B090-12 0 HIGH-ST A TIC MO TOR (Uni ts With Electrical Con venience Outlet) LEGEND *Used to determine minimum disconnect per NEC. † Fuse or HACR circuit breaker per NE C .
49 APPLICA TION D A T A 1. CONDENSA TE DRAIN P AN — A sloped co ndensate dr ain pan is s upplied o n all units . The cond ensate pan m ust be e xternally tr apped. Cond ensate dr ains a re located on both the botto m and end of the un it. 2. DUCTWORK — All ductw or k mus t be attached to flang es.
50 APPLICA TION D A T A (cont) Stan dard Unit Refr igera nt Cy cle At point n o . 1 in the pres sure enthalp y curve , va por lea ving th e compre ssor at a high pre ssure and a hi gh temper ature enters the conde nser . The condense r remov es heat from the refriger- ant, lo wers i ts temper ature , and chan ges it to a liquid.
51 APPLICA TION D A T A (cont) Pe r f e c t H u m i d i t y ™ Dehumidification Option.
52 APPLICA TION D A T A (cont) NO TE: Number s 1 t hrough 4 indicate point numbers ref erred to in P erfect Humidity ™ Dehumidification P ackage Design Eff ect s section.
53 APPLICA TION D A T A (cont) Po i n t 1 — Enter ing Air (F) 80 db/67 wb Po i n t 2 — Leaving Air (F) 58.9 db/56.4 wb (Without Subcooler) Po i n t 3 — Leaving Air (F) 63.
54 TYPICAL PIPING AND WIRING V ertical Dischar ge Horizontal Disc harge LEGEND NEC — National Electrical Code.
55 TYPICAL WIRING SCHEMA TIC 581B0 36-072 T ypical Wiring Sc hematic and Componen t Arrangement (208/230 V 3-Phase Uni t Shown ).
56 TYPICAL WIRING SCHEMA TIC (cont) 581B036-07 2 T ypical Wiring Schematic an d Component Arrangement (208/230 V 3-Phase Unit Shown) (con t) LEG END AHA — Adjustable Heat Anticipator C — Contactor.
57 TYPICAL WIRING SCHEMA TIC (cont) 581B090 -150 T ypical Wi ring Schematic LEGEND AHA — Adjustable Heat Anticipator BR — Burner Relay C — Contactor , Compressor CAP — Capacitor CB — Circuit.
58 CONTR OLS OPERA TING SEQ UENCE FOR 581B036-072 U NITS Cooling, Units W ithout Economizer — W hen t her mos tat ca lls f or cool ing, terminals G and Y1 and the compresso r contactor (C) are energiz ed. The indoor (e vapor ator) f an motor (IFM), compre ssor , and outdoor (condens er) f an motor (OFM) star t.
59 CONTR OLS (cont) If the sup ply-air tem perature f alls belo w 52 F , a swi tch on the supply -air thermostat i s closed be tween th e T1 terminal an d the 24 v ac ter minal . This causes the damper to mo dulate cl osed unti l the su pply- air t empera ture ri ses above 55 F or t he dam per reaches the minim um positi on.
60 GUIDE S PECIFICA TIONS P A CKA GED ROOFT OP COOLING UNIT WITH GAS HEA T — CONST ANT V OLUME APPLICA TION HV AC GUIDE SPECIFICA TIONS SIZE RANGE: 3 T O 12 1 / 2 T ONS , NOMINAL COOLING 72,000 T O 250,000 BTUH, NOMINAL INPUT HEA T ING BR Y ANT MODEL NUMBER: 581B PA R T 1 — GENERAL 1.
61 GUIDE SPECIFICA TIONS (cont) I. Controls and Safeties : 1. Unit Controls: Unit s hall be compl ete with sel f-contained l ow- v oltage con trol circuit prote cted by a fus e on the 24-v transfor mer s ide.
62 GUIDE SPECIFICA TIONS (cont) 11. Return-Air T emperature Sensor : The re tur n- air te mpera ture se nsor s hall be used with the E conoMi$er d e vice . When used in conj unction with a n outdoor-air temperature sensor , the EconoMi $er de vice will provi de diff erential temper a- ture con trol.
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Copyright 20 00 Br yant Heat ing & Coo ling Sy stems Print ed in U.S.A. 12/00 Ca talog No. 5258-103 SPECIFICATIONS SUBJE CT TO CHANGE WITHOUT NOTICE UNIT MUST BE INST ALLED IN ACCORDANCE WITH INST.
An important point after buying a device Bryant COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B (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 COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B 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 COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryant COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B you will learn all the available features of the product, as well as information on its operation. The information that you get Bryant COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B will certainly help you make a decision on the purchase.
If you already are a holder of Bryant COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B, 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 COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B.
However, one of the most important roles played by the user manual is to help in solving problems with Bryant COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryant COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B 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
