Gebruiksaanwijzing /service van het product 548J*14D van de fabrikant Bryant
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548J*14D SINGLE P ACKAGE ROOFTOP HEA T PUM P WITH WI TH PURON R (R - - 410A) RE FRIGERANT SIZE 14 Installation Instructions NOTE : Read the entire instru ction manu al befor e startin g the ins tallation. T ABLE OF CONTENTS SAFET Y CONSIDERA TIONS 1 .
2 SAF ETY CONSIDERA TIONS Impro per installatio n, adjus tment, alteration, s ervice, maintenance, o r use can cause explos ion, fire, electr ical shock or other c onditions which m ay ca use personal injury or property dam age. Consult a qua lifi ed insta ller, service agenc y , or your distributor or branch for infor mation or ass istance.
3 Horizontal Connections / Economizer V ertical Connections / Economizer C09895 Fig. 1 - - Unit Dimensional Drawing – S ize 14 Unit 548J*14D.
4 C10364 Fig. 1 - - Unit Dimensional Drawing – Size 14 Unit (cont.) INST ALLA TION Jobsite Survey Complete th e followin g checks befor e installation. 1. Consult local building code s a nd the NEC (Nat ional Electrical Code) AN SI/NF P A 70 for special ins talla- tion requ irements.
5 Roof Mount — Check bui lding code s for weight distribution requirem ents. Unit operat ing weight i s shown in T abl e 1. T abl e 1 – O per at ing Weight s 548J*14D UN ITS LB ( KG) Com ponent 14.
6 C10365 Fig. 3 - - Roof Curb Details 548J*14D.
7 A-B 0.5” (13) B-C 1.0” (25) A-C 1.0” (25) MAXIMUM ALL OWABLE DIFFERENCE IN. (MM) A B C C10001 Fig. 4 - - Unit L evelin g T olerances Ste p 5 — Field Fabr icate D uct wor k Cabinet re turn-ai r static pre ssure (a negative conditi on) shall not exceed 0.
8 P o s i t i o n i n go nC u r b— For full perim ete r curbs CRRFCURB072A00 and 073A00, the cle aranc e betwee n the roof curb and the front and rea r base rai ls should be 1 / 4 in (6.4 mm). The clea rance bet ween the curb a nd the e nd base rail s should be 1 / 2 in (13 mm).
9 Economizer Cut Plastic T ies (2) Places Remove Hood Parts C10005 Fig. 9 - - Econ omizer Wirin g T wo P osition Damper Hood Re moval and Setup - - Factory Op tion — 1. T he hood is shipped in knock- - down form and assembled t o a me tal support tray using plastic stretc h wrap .
10 Economize r Hood and T wo- - Positi on Hood — NOTE : If the power exhau st acces sory is to be ins talled on the unit , t he hood shipped wit h the unit will not be used and mus t be dis carded. Save th e aluminu m filter for use in the powe r exhaust hood a ssembly .
11 The pipi ng for the c ondensate drai n and ext ernal tra p can be completed after the u nit is in place. See F ig. 15. NOTE: T rap should be deep enough to offset maximum unit static difference.
12 C10014 Fig. 19 - - Moun tin g Positio n for Field Disco nnects (over 100A) C10013 Fig. 20 - - Moun tin g Positio n for Field Disco nnects (up to 100A) All unit s exce pt 208/ 230-v unit s are fact ory wired for the voltage shown on the nam epla te.
13 Un its W itho ut Fa ctory- - In sta lled D isco nn ect — When installing units , provide a d isconnect sw itch of adequ ate size per NEC ( Natio nal Electrical Code) . Disconnect sizi ng data i s provided on the unit i nformat ive plate . L ocat e on unit cabine t or within sight of the unit per nationa l or loc al codes.
14 the transforme r; however , the conduit m ust be rout ed so that all wiring is e ither in the c onduit or behin d the access panel . If the conve nienc e outl et t ransformer i s connect ed to the line side of the fact ory disconnect option, route the wire s through the we b bushing locat ed on the bottom of the disconnec t box.
15 Fa ct or y - - O pti on T hru - - Base Conne c ti ons — This ser vice connection kit cons ists of a 1 / 2 - - in electrical bulkhea d connec tor a nd a 1 1 / 2 - - in electrical bulkhead connec tor , all fa ctory - - insta lle d to the basepan cover pla te.
16 Un it witho ut Th ru- - Bas e Con nection Kit — Pass the t hermosta t c ontrol wire s through t he bushing on the unit end pane l. Route t he wire through t he snap - - in wire tie and up t o the web bushing ne ar the cont rol box.
17 HEA TER MOUNTING BRACKET HEATER MODULE (LOCA TION 2) HEATER MODULE (LOCA TION 1) SINGLE POINT BOX MOUNTING SCREW SINGLE POINT BOX HEA TER COVERS MANUAL RESET LIMIT SWITCH DISCONNECT MOUNTING LOCA TION C10029 Fi g.
18 NOTE: Optional Outdoor T emperature Control at One Heater Stage – Move either heater wire to this terminal and connect outdoor temperature switch between 2nd and 3rd terminals.
19 R TU - - MP Control System The R T U- - MP cont roller, s ee Fig. 33, provides expanded stand - - alone opera tion of the HV AC system plus connec tion and c ontrol t hrough com munic ati on with several Building Autom ati on Systems (BAS) through popular thi rd - - party ne twork systems.
20 C10322 Fig. 35 - - R TU - - MP System Control W i ring Diagram 548J*14D.
21 T abl e 2 – RTU- - MP Cont roll e r Inputs and O utputs POI NT N AME BA Cnet OB JECT NAME TYPE OF I/O CON NECT IO N PIN NUMB ERS INPU TS Space T em perature S ensor sptsens AI (10K T hermistor) J.
22 Out doo r Air T emperatu re (OA T) Sen sor — The OA T is fact ory - - m ounted i n the E conoMi$er2 (FIOP or acces sory) . It is a n ominal 10 k oh m thermis tor attached to an eyelet moun ting ring . EconoMi$e r2 — The R TU - - MP cont rol is used with E conoMi$er2 (opt ion or access ory) for outdoor air management.
23 SEN J20-1 J20-2 SEN SET Jumper J20-3 SET C08461 Fig. 40 - - R TU - - MP T- - 56 Sensor Connections Co nn ect T - - 59: The T - - 59 space sensor requi res a separat e, i solate d power s upply of 24 V AC. S ee Fig. 41 for interna l connec tions at the T - - 59.
24 T o connect the sens or to the contro l, identify the positiv e (4 to 20 mA) and ground (SIG COM) terminal s on t he sensor . See Fig. 42. Connect the 4- - 20 m A terminal to R TU- - MP J4- - 2 and conn ect the SIG C OM terminal to R TU - - MP J 4- - 3.
25 Power Ex hau st (ou tpu t): Connect the access ory P ower Exhaust cont act or coil (s) per Fig. 46. Power Exhaust J1 1-3 C TAN PEC CTB THERMOST A T GRA C10362 Fi g. 46 - - RTU- - MP Po wer Exha ust Conne ct io ns Space R elative Humidity Sens or - - The RH s ensor is no t used with 548J*14D models at this time.
26 C07170 Fig. 48 - - BACview 6 Ha ndhel d Conne c ti ons T able 3 – LEDs The LEDs on the R TU- - MP s how th e statu s of cer tain fun ctions If th is LE D is o n.
27 NOTE : Contac t your Brya nt appli cat ions engi neer for detai ls on configura tion of R TU - - MP , ope rati ng s equence s and trouble shooting inform ati on , as well as d etails o n configura tion and t roubleshooti ng of connec ted ne tworks.
28 Air is introduce d to the duct smoke de tec tor sensor ’ s sensing cham ber through a sa mpling t ube tha t ext ends into the HV AC d uct and is dir ected back into the ven tilation system through a (shorter) exhaust tube . The difference in air pres sure between the two tubes pulls th e sampled air through the sensing c hambe r .
29 Completing Installation of Return Air Smoke Sensor: 1. Unscrew t he two screws holdi ng the Return Air Sensor detect or plate. See Fig. 53. Save the scre ws. 2. Re move t he Return Air Sensor and i ts dete ctor pl ate . 3. Rotate the det ect or plate so the sensor is facing out- wards and the sam pling tube connect ion is on the bot- tom.
30 T able 4 – U nit W ire/Fus e or HACR B rea ker Sizin g Da ta UNI T N O M . V --- P h --- H z IFM TY PE ELEC. HTR PE NO C .O. or U NPW R C .O. CRHEA TER ***A0 0 Nom (kW) FLA FLA NO P .E . w/ P .E. (p wrd fr/unit) MCA FUSE o r HACR BRKR DISC. SIZE MCA FUSE o r HACR BRKR DISC.
31 T abl e 4 – Unit Wire/ F use or H ACR Breake r Si z ing Da ta (c ont ) UNI T N O M . V --- P h --- H z IFM TY PE ELEC. HTR PE w/ PWRD C .O. CRHEA TER ***A0 0 Nom (kW) FLA FLA NO P .E . w/ P .E. (p wrd fr/unit) MCA FUSE o r HACR BRKR DISC. SIZE MCA FUSE o r HACR BRKR DISC.
32 Legend and Notes for T able 4 LEG END: BRKR - - - Circuit breaker CO - - - Conve ni ent o utle t DISC - - - Disconne ct FLA - - - Full load am ps IFM - - - Indoor fa n motor LRA - - - Locked ro tor.
33 Step 12 — I ns tal l Access ori es A vailable access ories include: Roof Curb (must be instal led before uni t) Thru - - base conne cti on kit (must be insta lle d before unit is set on curb; see.
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36 Manufacturer reserves the right to discontinue, or change at any time, s pecifications or designs without notice and without incur ring obligations. E 2011 Bryan t Heating & Cool ing Sys tems D 7310 W . Mo rr is St. D In dianapolis, IN 46231 Print e d in U.
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