Manuale d’uso / di manutenzione del prodotto 42BHC del fabbricante Carrier
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Copy right 20 05 Carrie r Cor poration Form 42B-1PD Carri er’ s v ersatile belted fan coil units sati sfy des ign req uirem ents: • A selec tio n of 8 sizes covers capacit ies from 60 0 to 400 0 c.
2 Fan wh eels ar e des igned to provide low ope rating costs The forward-curved, centrifugal, double- inlet fans ar e static ally a nd dynamically balanced at the fa ctory to minimize transmission of vibration to the buildin g structure.
3 Ph ysic al data UNIT SIZE 42BHC, BVC 06 08 10 12 16 20 30 40 NOMINAL CFM 600 800 1000 1200 1600 2000 3000 4000 42BHC SHIPPING WT (lb) (no heat/ w ith heat ) 203/234 20 5/236 253/287 256/290 312/34 6.
4 42BHC, BVC OPTIONS AND ACCESSORIES * F actor y-installed option. †Field-installed accessor y . The 42BHC and 42BVC fan coil units ar e designed to offer maximum flexibility in an application, accessibility for service, quiet operation and durability.
5 Thermostat s — Three th er mo stat s are avail able for f ield installation: Honeywell T834C ma nual changeover , single-stage heat thermostat features: • off-cool-heat system s witch • on-aut.
6 Base unit dimensions 42BHC F AN COIL BASE UNIT ( NO CONTROLS) N OT E S: 1. All dimensions are in inches ( ± 1 / 4 in.). 2. An y modifications to product specifications by any person are sub j ect to acceptance of t he f actor y . Product specifications are sub j ect to change without notice.
7 42BHC F AN COIL WITH MOTOR CONTROL OPTION N OT E S: 1. All dimensions a re in inches ( ± 1 / 4 in.). 2. Any modifications to product specifications b y any person are sub j ect to acceptance of the factory . Product specifications are sub j ect to change without notice.
8 Base unit dimens ions (co nt) 42BHC F AN COIL WITH ELECTRIC HEA T OPTION N OT E S: 1. All dimensions are in inches ( ± 1 / 4 in.). 2. Any modifications to product specifications by an y person are sub j ect to acceptanc e of the f actory . Product specifications are sub j ect t o change without notice.
9 42BVC F AN COI L BASE UNIT (NO C O NTROLS) N OT E S: 1. All dimensions are in inches ( ± 1 / 4 in. ). 2. Any modifications to product specifications by an y person are sub j ect to acceptance of the f actor y . Product specifications are sub j ect to change without notice.
10 N OT E S: 1. All dimensions are in inches ( ± 1 / 4 in.). 2. Any modifications to product specifications by any person are sub j ect to acceptance of t he f actory . Product s pecifications are sub j ect to change without notice. 3. RH shown, LH opposite.
11 42BVC F AN COIL WITH ELECTRIC HEA T OPTION N OT E S: 1. All dimensions a re in inches ( ± 1 / 4 in.). 2. Any modifications to product specifications b y any person are sub j ect to acceptance of th e factory . Product specifications are sub j ect to change without notice.
12 Base unit dimens ions (co nt) 1 3 2 4 LEFT HAND UNIT 1 2 4 3 RIGHT HAND UNIT 42BHC UNIT CORNER WEIGHTS (lb) N OT E : U nit weights (shown in pounds) ± 10 % , are based on the 8-row coil and 1 H p motor .
13 1 3 2 4 4 3 1 2 1 1 2 4 3 3 4 2 RIGHT HAND UNIT LEFT HAND UNIT 42BVC UNIT CORNER WEIGHTS (lb) TOT A L WEIGHT UNIT CORRECTION F ACTOR (lb) Cor ner weights on pages 12 and 13 are for 8-row water filled coils.
14 Accessor y dimensio ns 3 A C 2.4 4 H 2.4 3 1 2 2 W B T OP VIEWS BOTTOM/REAR INLET T OP/REAR INLET RIGHT HAND SIDE VIEWS W 4 2.4 C 1 H A A B A 2.4 MIXING BOX N OT E : All dimensions in inches. 42BHC,BVC UNIT SIZE DIMENSIONS (in.) HW A B C 06 18.5 28 6 24 11 08 18.
15 1 W D 3 A 1 FRONT VIEW SIDE VIEW MIXING BOX RAILS N OT E : All dimensions in inches. UNIT DIMENSIONS (i n.) WD A 42BHC06 28 51.6 16.1 42BHC08 28 51.6 16.1 42BHC10 37 55.2 18.1 42BHC12 37 55.2 18.1 42BHC16 47 55.4 18.1 42BHC20 48 57.8 18.1 42BHC30 48 59.
16 Accessor y dimensio ns (cont) A A B B D C F F E E D C V AL VE P AC KAGE S N OT E : All dimens ions in inches. CONTR OL V AL VE PIPI NG P A CKAGE S I Z E ABCDE F C v CLOSE OFF Normal Close Off Spring Return 2-wa y 1 / 2 in. 12.45 2.285 — — 15.25 7.
17 C D HWS B A 2(5 1 ) RH T ell- T ale Drain LH T ell - T ale 0 CW S CWR HWR 1- 5 / 8 ( 41) ) 4 6 2 ( 8 / 3 - 0 1 E F ) 9 1 2 ( 8 / 5 - 8 H G ) 5 7 1 ( 8 / 7 - 6 0 PIPING CONNECTION LOCA TI ON DIAGRAM* LEGEN D *R ight-hand unit with re-heat coil shown.
18 * F actor y-installed option. HEA T OPTIONS 42BHC,BVC UNIT SIZE COIL RO WS DIMENSIONS (in.) A B CDE F G H Cool Heat Re-heat 06/08 4 0— 6 1 / 8 12 3 / 4 —— — 5 15 / 16 2 11 / 16 13 1 / 2 15 .
19 Basi c def init ions Unit hand — When facing the supply air outlet from the front of the unit (air blowing in your face), your right hand will be th e right hand side of th e unit an d your left h and the left ha nd side of th e unit . PIPING COMPONENTS LEGEN D * Check all system component p ressure ratings (coils, v alues, pumps, etc.
20 PIPING COMPONENTS (con t) LEGEN D * Check all system component p ressure ratings (coils, v alues, pumps, etc.) with manuf acturer and any applicable local or national piping codes prior to specifying system pressure rating.
21 PIPING COMPONENTS (con t) LEGEN D N OT E S: 1. Motorized spring return 2-way v alves hav e a maximum close-off different ial of 25 psi. 2. Motorized spring return 3-way v alves hav e a maximum close-off different ial of 25 psi.
22 This se lection pr ocedure provid es a guide to de ter mine unit pe r for manc e of t he 42 BHC, B VC uni ts. C apaci ty tables (in Perfor mance Data ) are bas ed on no minal cfm. Corre ction fa ctors a re prov ided for oth er op erati ng con di- tions as ex plain ed in t he fol lowin g sele ction e xamp le.
23 42BHC, BVC AI RFLOW CORR ECTION F ACTO RS N OT E : U se Sensible H eat correction factors when calculating heating capacity . DIREC T EXP ANSIO N (DX) C ORR ECTIO N F ACTO RS Consult factory for v alues outside of table .
24 42BHC, BVC NOMINAL COOLING CAP ACITIES LEGEN D * Based on en ter ing air tem perature of 6 7 F wb, 80 F db and te mperature r ise of 10 degrees F . N OT E : All ratings at sea level. R atings in accordan ce with A RI (Air Conditioning & R efri geration I nstit ute).
25 42BHC,BVC 4-ROW COOLING CAP ACITY (by Gpm) LEG EN D N OT E : All cap acities are giv en in thousands of Btuh ( MBtuh). 42BHC,BVC 6-ROW COOLING CAP ACITY (by Gpm) LEG EN D N OT E : All cap acities are giv en in thousands of Btuh ( MBtuh).
26 42BHC,BVC 8-ROW COOLING CAP ACITY (by Gpm) LEG EN D N OT E : All cap acities are giv en in thousands of Btuh ( MBtuh). 42BHC,BVC 4-ROW COOLING CAP ACITY (by ∆ T) LEG EN D N OT E : All cap acities are giv en in thousands of Btuh ( MBtuh).
27 42BHC, BVC 6-ROW COOLING CAP ACITY (by ∆ T) LEG EN D N OT E : All cap acities are giv en in thousands of Btuh ( MBtuh). 42BHC, BVC 8-ROW COOLING CAP ACITY (by ∆ T) LEG EN D N OT E : All capacities ar e give n in thousand s of Btuh (MB tuh).
28 DIREC T EXP ANSION (DX) BAS E COOLIN G CAP ACITIES * (MBtu h) — 4-ROW COIL LEGEN D * Capacity ba sed on R -22 r efr igerant a t 105 F liq uid temp erature and 10 F superhea t.
29 DIREC T EXP ANSION (DX) BAS E COOLIN G CAP ACITIES * (MBtu h) — 6-ROW COIL LEGEN D * Capacity ba sed on R -22 refr igera nt at 105 F liquid temperatu re and 10 F superhea t.
30 UNIT HORSE POWER DA T A T ABLE LEGEN D N OT E S: 1. Cont act f actor y if higher horsepower selection is required for a giv en cfm and total static pressure. 2. The variable pit ch motor sheav e provided will all ow + 15 % rpm ad j ustment. U nit sizes 06, 08, 10 and 12 ha v e 3 / 4 in.
31 UNIT HO RSEPOW ER DA T A T ABLE (cont) LEGEN D N OT E S: 1. Cont act f actor y if higher horsepower selection is required for a giv en cfm and total static pressure. 2. The variable pitch motor sheave pro vided will allow + 15 % rpm ad j ustment. U nit sizes 06, 08, 10 and 12 ha v e 3 / 4 in.
32 42BHC,BVC COMPONENT ST A TIC RESIST ANCE (in. wg) Hydronic coil pressure drop — All of the factory’ s hy- dron ic co ils have a c oeffici ent of velo cit y (Cv) res istance factor assigned to assist in a more accurate deter mination of water pre ssure drop (see Cv Factor by Coil and Unit Size table below).
33 42BHC,BVC W A TER PRESSURE DROP (ft. wg) FOR CV F ACTOR AND W A TER FLOW RA TE (GPM) N OT E : T able interpo lation is permissible, and e x trapolation is not rec- ommended.
34 T ypica l wiring schematics BASE UNIT , SINGLE-PHASE POWER MOTOR CONTROL/DISCONNECT OPTION SI NGLE-PHASE POWER.
35 BASE UNIT , THREE-PHASE POWER MOTOR CONTROL/DISCONNECT OPTION TH REE-PHASE POWER.
36 T ypica l wiring schematics ( cont) 2-PIPE COOLING ONL Y WITH SINGLE-SPEED F AN OPERA TION AND HONEYWELL THERMOST A T 2-PIPE OR 4-PIPE H EA TING/CO OLING WITH SINGLE -SPEED F AN OPER A TION AND HO NEYWE LL DIGIT AL T HERMOST A T N OT E S: 1. Op tional valv es ar e field wired.
37 42BHC ,BVC ELECTR IC HEA TER DA T A A V AILABI LITY 42BHC, BVC ELE CTRI C HEA TER DA T A LEGEN D N OT E S: 1. St ages a vailab le: Single phase: 1-12 kW , 1 stage only 3-12 kW , 1 stage or 2 stage Three phase: 1-40 kW , 1 stage only 4-40 kW , 1 or 2 stage 12-40 kW , 1, 2 or 3 stage 2.
38 St and ard c o nt rol f ea tu res • 4 in. x 4 in. junction box NOTE: M otor leads are wired to the 4 in. x 4 in. junction box, mounted on the exter nal panel.
39 System Fan Coil Unit HV AC Guide Specifications — 42B Size Range: 6 00 to 40 00 Nom inal Cf m Carrier Mode l Number: 42BHC (Hor izontal Fan Coil Unit) 42BVC (V ertical Fan Coil Unit) Part 1 — General 1.
Manufa cturer reser ves the right to disconti nue, or change at any time, specificat ions or designs wi thout noti ce and without incurrin g obligations.
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 Carrier 42BHC 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 Carrier 42BHC - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Carrier 42BHC imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Carrier 42BHC ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Carrier 42BHC, 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 Carrier 42BHC.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Carrier 42BHC. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Carrier 42BHC 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.
