Manuale d’uso / di manutenzione del prodotto 548D del fabbricante Bryant
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Cancels : II 548D-90 -1 II 548D-90 -2 10/15/00 CONTENTS Pa g e SAFETY CONSIDERA TIONS . . . . . . . . . . . . . . . . . . . . . . . . . 1 INST ALLA TION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27 I. Step 1— Pr o vide Unit Su pport .
— 2 — Fig. 1 — Roof Curb Details PLACE UNIT AS CLOSE TO THIS END OF CURB AS POSSIBLE ROOF CURB A CCESSOR Y “A” UNIT SIZE 548D CRRFCURB003A00 1 ′ -2 ″ [356] 090-150 CRRFCURB004A00 2 ′ -0 ″ [610] 6. Ser vice clearance 4 f t on ea ch side.
— 3 — II. STEP 2 — FIELD F ABRICA TE DUCTWO RK On vertica l discharge un its, secure a ll duct s to roo f curb an d building struct ure. Do not connect ductwor k to un it. F or hori- zontal applicati ons , field-supplied flanges shou ld be a ttach ed to horizon tal discharge ope nings and all ductwork atta ched to the flanges.
— 4 — NO TES: 1. Dimension in ( ) is in millimeters . 2. Hook rigging shackles through holes in base rail, as sho wn in detail ‘ ‘ A. ’’ Holes in base rails are centered around t he unit center of gr av- ity . Use wooden t op skid when r igging to prev ent rigging straps from damaging unit.
— 5 — UNIT 548D STD UNIT WEIGHT DURABLADE EC ONOM IZ ER WEIGHT ECONOMI$ER WEIGHT CORNER WEIGHT (A) CORNER WEIGHT (B) CORNER WEIGHT (C) COR NER WEIGHT (D) “H” “J” “K” Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Ft-i n. mm Ft-in. mm Ft-in.
— 6 — T able 1 — P hysic al Data LEGEN D *Indoor coil fin mater ial/outd oor coil f in mate rial . †Weight of 14-in . roof curb. **Requir es an accesso r y or optional controls upgrade kit. NO TE: The 548D units hav e a loss-of-charge switch located in the liquid line av ail- ab le a s an op tion or an ac ces sory .
— 7 — V . STEP 5 — MAKE ELECTRICAL CONNECTIONS A. Field P ower Suppl y All units e xcept 208/230-v units are fac tory-wired for th e volta ge shown on the u nit nam eplat e.
— 8 — T able 2A — Elec trical Data (Units Without El ectrical Con venience Outle t) NO TE: Legend and Notes for Electr ical Data are on page 10. UNIT 548D NOMINAL V- P H - H z IFM TYPE VO L T A .
— 9 — T able 2B — Electrical Data (Units With Elect rical Con venience Outlet) NO TE: Legend and Notes for Electr ical Data are on page 10. UNIT 548D NOMINAL V- P H - H z IFM TYPE VO L T AG E RA.
— 10 — LEGEND AND NO TES FOR T ABLES 2A AND 2B LEGEND *Heaters are field instal led only . †Us ed to d ete rmine mi nim um dis conn ect p er NE C .
— 11 — B. Field Contr ol Wirin g Install an approve d access ory thermo stat as sembly a ccord- ing to installation instr uctions included with the accessory . Locate ther mostat assembly o n a solid wall in the co ndi- tione d space t o sense a verage tempera ture in ac corda nce with thermostat in stallation instructions.
— 12 — T able 3 — Heat Antic ipator Settings *Heater capacity (kW) is based on heater voltage of 208 v , 240 v , 480 v and 575 v . If pow er distribution v oltage to unit v aries from rated heater v oltage, heater kW will v ar y accordingly . 4.
— 13 — SHIPPING SCREW SHIPPING SCREW BLOCK-OFF PLA TE Fig. 12 — O utdoor-Air Ho od Details Fig. 13 — V er tical Disch arge Bloc k-Off Plate (Size 120 On ly) Fig. 14 — Durab lade Economizer Instal lation Fig. 15 — Hori zo nta l Dis charg e D ura blad e Economizer Ins tallation Fig.
— 14 — 4 3 2 1 0 5 6 7 8 9 UNIT TOP OA T (TERMINALS ARE UP) OUTSIDE AIR SCREEN MINIMUM POSITION OPEN 3 1 T P P1 T1 4 2 5 S S O D C TR B RE V . B 1 9 8 8 1 8 A % H U M I D I T Y 90 70 60 30 10 D C B A 60 65 70 75 55 50 85 80 DAMPER DAMPER CLOSED OPEN OUTDOOR TEMP .
— 15 — C. Optional Ec onoMi$er See F ig . 22 for Eco noMi$ er com ponent locat ions . 1. T o remov e the ex isting unit fi lter ac cess p anel, r aise the panel and swing the bottom outward. The panel is now diseng aged from the trac k and can be remo ved.
— 16 — 11. Install the complete hood assembly on the unit and secu re usin g th e sc rew s provi ded. NO TE: If optio nal power exhaust is being insta lled, com plete installation of po wer exhaust at this time. See Fig . 32 for wiring. 12. R emove th e indo or fan mo tor acce ss pane l.
— 17 — Fig. 30 — Ec onoMi$er Wiring OUTDOOR AIR SENSOR TEMP TEMP COM OUT PWR BROWN VIOLET WHITE RED BROWN TEMP TEMP COM OUT PWR RETURN AIR SENSOR VIOLET WHITE RED OA T COM OAH -15 V RA T COM RAH.
— 18 — SUPPL Y AIR TEMPERA TURE SENSOR MOUNTING LOCA TION SUPPL Y AIR TEMPERA TURE SENSOR Fig. 33 — Supp ly Air Sensor Mounting L ocation 4-PIN CONNECTOR PLUG L1 L2 GREEN 1 1 22 33 44 GND 230 V AC 1 PHASE GREEN/ YELLOW 3 2 1 5 8 6 9 B A 7 4 L T .
— 19 — Mechanic al Coolin g Lockout Dete rmine t he out door -air temper ature at which yo u want the me chani cal co oling ( compr essors ) to b e disab led. Lo cate the mechanical cooling lockout (MECH CLG LOCKOUT) potentiometer . T o disable this feature , turn the potentiome- ter counterclockwise (CCW) to the OFF posit i on.
— 20 — 5. Set mov able flange at neares t keywa y of pulle y hub and ti ght en s etsc rew . (Se e T a ble 1 for speed chan ge for each full turn of pulley flange ). T o align fa n and mot or pulle ys: 1. Loos en fan p ulley se tscr ews . 2. Slide fan pulley along fan shaft.
— 21 — Ta b l e 6 — indoor -Fan Motor P erformance LEGEND BHP — Brake Horsepow er *Extensive motor and electrical testing on these units ensures that the full horsepower range of the motors can be utilized with confidence.
— 22 — Ta b l e 8 — Fan P erfor mance 548 D090 — V ertical Discha rge Units LEGEND NO TES: 1. Boldface indicates field-supplied dr ive is required. (See Note 7.) 2. indicates alternate drive is required. 3. indicates field-supplied motor and drive are required.
— 23 — Table 9 — Fan Perf ormance 548D102 — Vert ical D ischarge U nits LEG END NO TES: 1. Boldface indicates field-supplied dr ive is required. (See Note 6.) 2. indicates field-supplied motor and drive are required. 3. Maximum us able w atts input is 2120 an d maximum continuous bhp is 2.
— 24 — Table 1 0 — Fan Performa nce 548D120 — Vertical Discharge Units LEG END NO TES: 1. Boldface indicates field-supplied or alter nate (as appropr iate) drive is required. (See Note 7.) 2. indicates alternate motor and drive are required. 3.
— 25 — Tabl e 11 — Fan Performan ce 548D090 — Horizontal Discharge Units LEGEND NO TES: 1. Boldface indicates field-supplied dr ive is required. (See Note 7.) 2. indicates alternate drive is required. 3. indicates field-supplied motor and drive are required.
— 26 — Ta b l e 1 2 — Fan P erform ance 548D10 2 — Hor izo ntal Disc ha rge Unit s LEG END NO TES: 1. Boldface indicates field-supplied dr ive is required. (See Note 6.) 2. indicates field-supplied motor and drive are required. 3. Maximum us able w atts input is 2120 an d maximum continuous bhp is 2.
— 27 — Ta b l e 1 3 — Fan P erforma nce 548D 120 — Hor izon tal Disc ha r ge Unit s LEG END NO TES: 1. Boldface indicates field-supplied or alter nate (as appropr iate) drive is required. (See Note 7.) 2. indicates alternate motor and drive are required.
— 28 — PRE-ST ART -UP Procee d as follows to in spect and pr epare the unit for initial start -up : 1. Remo ve all access panels . 2. Read an d follow in struction s on all W A RNING , CA U- TION , and IN FORMA TION la bels at tached t o or shipped with unit.
— 29 — NO TE: Whe n the compresso r is rotating in the wrong direc- tion, t he unit makes a n elev ated le vel of noise a nd do es not provid e he atin g/ cool ing. IX. ADJUST GAS INPUT The gas input to the unit is determin ed by measuring the gas fl ow at t he meter or by me asu ring the manif old pr essu re .
— 30 — D . Cooling, Units With Eco noMi$er When the Outdoo r Air T emperat ure (OAT) is above t he ECON SP set point and the r oom thermostat calls for Stage 1 cooling (R to G + Y1), the indoor -fan motor (IFM) is energiz ed a nd the EconoMi $er d amper modula tes t o mini - mum position .
— 31 — B. Outdoor Coils Inspec t coils monthly . Clean conden ser coi ls annuall y , and as requir ed by loca tion and outdoo r -air condi tions. Clean 2-row coils as follo ws: 1. Turn off unit power and tag disconnect. 2. Remove top panel screws on outdoor end of unit.
— 32 — III. OUTDOOR F AN ADJUSTMENT (Fig. 42) 1. Shut off unit power supply . 2. Remo ve outdoo r -fa n assembl y (grill e, motor , motor cover , and fan) and loosen fa n hub setsc rews . 3. A dju st fa n he ight as sh own i n Fig. 42 . 4. Tig hten se tscrew s an d replac e outdo or -fan a ssemb ly .
— 33 — Fig. 44 — Cooling Char ging Chart; 548D102 Fig. 45 — C ooling Char ging Chart; 548D120.
— 34 — TR OUBLESHOO TING Refer to T ables 14 -16 and Fi g . 46 for tr oublesh ooting i nformatio n. Ta b l e 1 4 — Heating and Cooling T roub leshootin g PROBLE M CA USE REME D Y Com pres sor a nd outdoor fan will n ot sta rt. P ow er failure . Call power company .
— 35 — T able 15 — Durabla de Economizer T roubles hooting LEGEND PR OBLEM CA USE REMED Y Damper does not open . Indoor f an is off . 1. Check t o ensure that 24 v ac is present at terminal C1 on the IFC or that 24 vac is present at the IFO ter minal.
— 36 — Table 16 — EconoMi$er Troubleshooting LEGEND PROBLEM CA USE RE MED Y Damper does not open. Indoor F an is Off. Check to ensure that 24 vac i s present at T e rminal C1 (Common Po wer) on the IFC (Indoor Fan contactor) or that 24 vac is present at the IFO (Indoor F an On) ter minal.
— 37 — Fig. 46 — T ypical Wiring Dia gram.
Copyright 20 00 Br yant Hea ting & C ooling Systems CA T ALOG NO . 5354- 805 Fig. 46 — T ypical Wiring Dia gram (con t) NO TES: 1. If any of the or igina l wire f ur nished must be replace d, it mus t be repla ced wit h ty pe 90 ° C wire or its equivalent .
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Copyright 20 00 Br yant Hea ting & C ooling Systems CL-1 CA T ALOG NO. 5354-805 CUT ALONG DOT TED LINE CUT ALONG DO TTED LINE ST ART -UP CHECKLIST (Remo ve and Sto re in Job File) I. PRELIMINAR Y INFORMA TION MODEL NO.: _ _____ ____ ___ ____ ____ _______ _____ ____ __ DATE: _____ _______ ____ _____ ______ _____ ____ _______ __ UNIT NO .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Bryant 548D è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Bryant 548D - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Bryant 548D imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Bryant 548D ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Bryant 548D, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Bryant 548D.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Bryant 548D. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Bryant 548D insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
