Instruction/ maintenance manual of the product 581J Bryant
Go to page of 40
581J SINGLE P ACKAGE ROOFTOP GAS H EA TING/ELECTRIC CO OLING UNIT SIZE S 07, 08, 09 & 12 with PURON R (R- - 410A) REFIRG ERANT Installation Instructions NOTE : Read the entire instru ction manual before s tarting the ins tallation T ABLE OF CONTENTS SAFET Y CONSIDE RA TIONS 2 .
2 SAF ETY CONSIDERA TIONS Impro per installatio n, adjus tment, alteration, s ervice, maintenance, o r use can cause explo sion , fire, electrical shock or other c onditions which m ay cause pe rsonal injury or property dam age. Consult a qual ifie d install er , service agenc y , or your di stributor or branch for infor mation or ass istance.
3 Horizontal Connections / Economizer V ertical Connections / Economizer C11110 Fig. 1 - - Unit Dimensional Drawing — S ize s 07- - 09 581J.
4 C11111 Fig. 1 - - Unit Dimensional Drawing — Sizes 07 - - 09 (cont.) 581J.
5 V ertical Connections / Economizer Horizontal Connections / Economizer C11112 Fig. 2 - - Unit Dimensional Drawing — S ize 12 581J.
6 C11113 Fig. 2 - - Unit Dimensional Drawing — Size 12 (c ont.) 581J.
7 INST ALLA TION Jobsite Survey Complete th e following checks before ins tallation. 1. Consult local building code s a nd the NEC (Nati onal Electrical Code) AN SI/NF P A 70 for special ins talla- tion requ irements. 2. Dete rmine unit l ocati on (from project pl ans) or selec t unit loca tion.
8 Ste p 2 — Plan for Seque nce of Unit I nsta llatio n The support me thod used for thi s unit will dic tate different sequence s for the steps of unit i nstalla tion. For exa mple , on curb- - mounted units, some accessories must be inst alled on th e unit before th e unit is placed on the curb .
9 581J*07-09 UNIT SIZE ROOFCURB ACCESSORY CRRFCURB003A01 CRRFCURB004A01 1’ - 2” [356] A 2’ - 0” [610] C11081 Fig. 4 - - Roof Curb Details — Size s 07- - 09 581J.
10 581J*12 581J*12 UNIT SIZE ROOFCURB ACCESSORY CRRFCURB003A02 CRRFCURB004A02 1’ - 2” [356] 2’ - 0” [610] C11082 Fig. 5 - - Roof Curb Details — Size 12 581J.
11 A-B 0.5” (13) B-C 1.0” (25) A-C 1.0” (25) MAXIMUM ALL OWABLE DIFFERENCE IN. (MM) C06110 Fig. 6 - - Un it Levelin g T olerances Ste p 5 — Field Fabr icat e Duc twork Cabinet re turn-ai r static pressure (a negat ive condition) shall not exceed 0.
12 P o s i t i o n i n go nC u r b— Po sition unit on roof curb so that the followin g clearances are maintained : 1 / 4 in. (6.4 mm) clearance between the roof curb and the base rail inside the front and ba ck, 0.0 in. clearance betw een the roof cur b and the base rail insid e o n the duct end of the u nit.
13 4. Carefully l ift the hood a ssembly (with me tal t ray) through the filter access opening and ass e mble per the steps o utlined in Economizer H ood and T wo–Position Hood, below .
14 This unit is fac tory equippe d for use wit h Natural Gas fuel at e levat ions up to 2000 ft (610 m) above sea level . Unit may be fi eld c onverted for ope ration a t el evati ons above 2000 ft (610 m) and/ or for use with li quefied pe troleum fuel.
15 EMBOSSMENT ST AINLES S STEEL FITTING SUPPORT BRACKET C08579 Fig. 17 - - Gas Lin e Piping Other hardware requi red to comple te the insta llat ion of the gas supply line will inc lude a manua l shutoff va lve, a sediment tra p (drip leg) and a ground - - joint uni on.
16 NOTE : Pressure test the ga s s upply system aft er t he gas supply piping is conne cte d t o the gas valve . The supply piping must be disconnec ted from t he gas valve duri ng the testing of t he pipi ng systems when test pressure is in exce ss of 0.
17 Step 12 — Ma ke E lectri cal Con n ectio ns ELECTRIC AL SHOCK HAZARD Failure t o follow this warning could re sult i n personal injury or dea th. Do not use gas piping as an e lec trical gr ound.
18 Provide a ground- - fa ult and short - - c ircuit over - - c urrent prot ection device (f use or b reaker) p er NEC A rticle 440 (or loc al c odes). Re fer to uni t i nformati ve data pl ate for MOCP (Maxim um Over - - c urrent Protect ion) device siz e.
19 convenience outle t; access is through th e unit’ s c ontrol box access p anel. See Fig. 26 . The prim ary le ads to the c onvenienc e outlet t ransformer are not factor y - - connected. Selection of primary p ower sou rce is a custo mer - - option.
20 For wire runs up to 50 ft. (15 m ), use no. 18 A W G (America n W i re Gage) insula ted wire (35 _ C minimum). F o r5 0t o7 5f t .( 1 5t o2 3m ) ,u s en o .1 6 A W Gi n s u l a t e d wire (35 _ C mi nimum). For over 75 ft . (23 m), use no. 14 A WG insula ted wire (35 _ C minimum) .
21 Perfect Hu mid i ty t Control C onnect ions Perfect Hu midity - - Spa ce RH C ont ro ller — NOTE : Per fect Humidity is a factory ins talled o ption which is only ava ila ble for unit s equipped with belt - - drive motors .
22 HUMIDIST A T C11071 Fig. 32 - - T ypical Perfect Hu midity t D ehumid ification S ystem Hu midis tat W iring Rc Rh W1 G Y2 C O/W2/B Y1 OAT RRS SRTN HUM D1 D2 V+ Vg X* C G W2 W1 Y2 Y1 R Edge Programable Thermostat Unit CTB THERMOSTAT *Connection not required.
23 R TU Op en Contr ol Syste m The R TU Open control is fact ory- - mount ed in the 48DC*D unit’ s mai n control box, to the left of the CTB. See Fig. 35. Fac tory wiring is com plete d t hrough harnesses conne cted t o the CT B. Fie ld connec tions for R TU Open sensors will be m ade at the Phoeni x connect ors on the R TU Open board.
24 C11069 Fig. 35 - - R TU O pen System Contr ol Wiring Diagram 581J.
25 C11070 Fig. 36 - - R TU Open System Contr ol Wiring Diagram with Per fect Humidity t 581J.
26 T abl e 3 – RTU Open Co ntroll e r Inputs a nd Out puts POINT NAME B ACnet OBJ ECT NAM E TYPE OF I /O CON NECTION P IN NUM BE R( S) DEDICATE D INPUTS Spa ce T emp / Z one T e mp zone_tem p AI (10.
27 EconoMi$e r2 — The R TU Open control i s used with EconoMi$er2 ( option or access ory) for outdoor air management. The damper pos ition is controlled d irectly by the R TU Open contro l; EconoMi$e r2 has no interna l logic devic e.
28 Co nn ect T- - 59: The T- - 59 spac e sensor require s a separat e, isola ted power supply of 24 V AC. See Fig. 42 for interna l connect ions at the T - - 59. Connec t t he SEN terminal (BLU ) to R TU O pen J2 0 - - 1. Con nect the C OM terminal (B RN) to J 20 - - 2.
29 CO VER REMO VED SIDE VIEW C07135 Fig. 45 - - O utdoor A ir Quali ty Sens or Cover Wiri ng the Out door Ai r CO 2 Se nsor: A dedicated power supply i s required for thi s sensor . A t wo- - wire cable is required t o wire the dedic ated power supply for the sensor .
30 Relative Humidity Sensor (Polarized Male Connector ) J4-1 or J4-4 + 24 VDC Supply Voltage J4-2 or J4-5 (-) 4 to 20 mA Cu rrent Loop Output to RTU-OPEN 4-20 VAC GND 0-5V mA or or VDC 0-1 0V SPAN ZERO C10839 Fig.
31 Com munica tio n W iring - - Pr otocols Genera l — Protocols are the com munica tion l anguages spoken by control devi ces. The m ain purpose of a protoc ol i s to communi cate infor mation in the mos t ef ficient method pos sible. Dif ferent pr otocols exist to pro vide dif ferent kinds of informat ion for different a pplica tions.
32 Loc al Access BACvi ew 6 H andhe ld: The BAC view 6 is a keypad/di splay interface us ed to connect to the R TU Open to access the control i nformat ion, rea d sensor values, a nd test the R TU, see Fig. 52. This is an accessor y interface that does n ot come with the R TU Open con troller and can o nly be us ed at the unit.
33 T able 4 – LEDs The L EDs on the R T U Open show the status of ce rtai n functions If th is LE D i s on ... Statu s is... Power R TU Open has power Rx RTU O pen is receiv ing data f rom the netwo.
34 Ret urn Air Ent halpy Se nsor — Mount the return - - a ir ent halpy sensor (33CS ENTSEN) in the return- - air sectio n of the econo mizer . The return air sensor is wired to the e nthal py controll er (33CSENTHSW).
35 take s the a ppropriate act ion to shut down fa ns and blowers, cha nge over ai r handli ng systems, notify the fire alarm contr ol panel, etc. The sens or uses a process called dif ferential sen sing to prevent gra dual environm ental c hanges from triggering false ala rms.
36 Return Air Sampling T ube C08129 Fig. 59 - - Return Air Sampling T ube Location Completing Installation of Return Air Smoke Sensor: 1. Unscrew the two screws holdi ng the Re turn Air Sensor detect or plate. See Fig. 60. Save the scre ws. 2. Rem ove the Re turn Air Sensor and its det ect or plate .
37 T able 5 – U nit W ire/Fu se or HAC R Br eaker S izing Da ta UNI T NOM . V --- P h --- H z IFM TYPE COMB USTIO N FAN MOTOR FLA POWER EXHA UST FLA NO C .O. or U NPWR C .O. NO P .E . w/ P .E. (pwr d fr / un it) MCA FUSE or HACR BRKR DISC. SIZE MCA FUSE or HACR BRKR DISC.
38 T abl e 5 — Unit Wire /F use or H ACR Breake r Siz i ng Data (c ont) UNI T NOM . V --- P h --- H z IFM TYPE COMB USTIO N FAN MOTOR FLA POWER EXHA UST FLA w/ P WRD C.O . NO P .E . w/ P .E . (pwrd f r/ un it) MCA FUSE or HACR BRKR DISC. SIZE MCA FUSE or HACR BRKR DISC.
39 Legend and Notes for T able 5 LEG END: BRKR - - - Circuit breaker CO - - - Conve nient o utl et DISC - - - Discon ne ct FLA - - - Full loa d a mp s LRA - - - Loc ked ro tor a mps MCA - - - Min imum.
40 Economizer 2 Position Damper Unit Without Economizer o r 2 Position Damper C10150 Fig. 62 - - Ec onoMi$er t IV Wir ing Ste p 13 — Adjust Fac tory- -Installe d Options Sm oke Det ectors — Smoke detec tor(s) will be connec ted at the Controls Connect ions Board, at t ermina ls m arked “ Smoke Shutdown”.
An important point after buying a device Bryant 581J (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 581J 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 581J - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryant 581J you will learn all the available features of the product, as well as information on its operation. The information that you get Bryant 581J will certainly help you make a decision on the purchase.
If you already are a holder of Bryant 581J, 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 581J.
However, one of the most important roles played by the user manual is to help in solving problems with Bryant 581J. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryant 581J 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
