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Carrier 42BVC - page 1
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 cfm • Choice o f motor s, from 1 / 4 to 5 h p , elimina tes oversizing • Wide rang e of co il opt ions for 2-pipe or 4-pipe sy stems • Optiona l ...
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Carrier 42BVC - page 2
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. The belt-driven motor (single or three phase ) has a variable-p itch pulley which adjusts at the jobsite to acco ...
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Carrier 42BVC - page 3
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 6 344/380 437/474 553/590 42BVC SHIPPING WT (lb) (no heat/ w ith heat ) 200/231 20 2/233 243/277 247/281 289/32 3 351/387 436/473 522/559 FIL TERS (2 i ...
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Carrier 42BVC - page 4
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. Factory- install e d options Automatic air vents — Automatic air ven ts have fiber- washers, ...
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Carrier 42BVC - page 5
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-auto fan mode switch • single-st age electric heat • outside a ir signal Honeywell T8500 digital, automatic/manual changeov er , 2-stage he at thermo ...
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Carrier 42BVC - page 6
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. 3. R ight hand shown, left hand opposite. 4. H anger r ...
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Carrier 42BVC - page 7
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. 3. R ight hand shown, left hand opposite. 4. H anger rods, which are field-s ...
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Carrier 42BVC - page 8
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. 3. R ight hand shown, left hand opposite. 4 ...
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Carrier 42BVC - page 9
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. 3. R ight hand shown, left hand opposite. 4. H anger rods, which are fiel ...
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Carrier 42BVC - page 10
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. 4. H anger rods, which are f ield-supplied, are shown for ref erence only . Base unit dime ...
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Carrier 42BVC - page 11
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. 3. R ight hand shown, left hand opposite. 4. H anger rods, which are fiel ...
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Carrier 42BVC - page 12
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 . UNIT 42BHC CONFIGURA TION RIGHT - HAND UNITS LEFT -HA ND UNITS TOT A L WEIGHT 12341234 06 No Heat 50 55 47 51 55 50 51 47 203 With Heat 50 58 ...
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Carrier 42BVC - page 13
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. For a different number of rows, total unit weight can be deter mined by the following p rocedure: • Identify the number of rows and the si ...
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Carrier 42BVC - page 14
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 18.5 28 6 24 11 10 20.25 37 8 33 13 12 20.25 37 8 33 13 16 20.25 47 8 43 13 20 22.75 48 ...
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Carrier 42BVC - page 15
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 59.8 20.1 42BHC40 62 63.0 20.1 UNI T DIMENSIONS (in.) WD A 42BVC06 28 35.5 16.1 42BVC08 28 35.5 1 ...
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Carrier 42BVC - page 16
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 7.41 3.5 25 psig 3 / 4 in. 12.71 3.156 — — 17.71 7.936 5 20 psig 1 in. 14.88 3.38 — — 20.8 ...
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Carrier 42BVC - page 17
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. CWR — Col d W ate r R eturn CWS — Cold W ater Supply HWR — H ot Wat er R etur n HWS — H o ...
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Carrier 42BVC - page 18
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 1 / 2 77 23 13 / 16 15 13 / 16 7 9 / 16 7 9 / 16 6 0— — — — 8 1 / 8 13 1 / 2 15 1 / 2 9 3 / 16 9 3 / 16 23 13 / 16 15 13 / 16 9 3 / 4 9 3 / 4 ...
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Carrier 42BVC - page 19
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.) with m ...
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Carrier 42BVC - page 20
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. SYMBOL/SKETCH DESCRIPTION C V F A CTOR RA TING* 1 / 2 3 / 4 PSI F B ALANCE V AL VE: V ar iable wate r flow manu al ba l- an ...
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Carrier 42BVC - page 21
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. SYMBOL/SKETCH DESCRIPTION C V FA C T O R RA TING 1 / 2 3 / 4 1 PSI F 2-W A Y MO T ORIZED V AL VE: E lectric 2-p ositi o ...
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Carrier 42BVC - page 22
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. For applications outside the range pr ...
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Carrier 42BVC - page 23
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 . DX T otal Capacity (MBt uh) = Base E t x T otal Correction Factor DX Sensible Capacity ( MBtuh) = Base E s x Sensib le Correc ...
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Carrier 42BVC - page 24
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). 42BHC,BVC NOMINAL HEA TI NG CAP ACITIES N OT E S: 1. R atings a re based on ...
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Carrier 42BVC - page 25
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). UNIT SIZE 42BHC,BVC GPM 75 F DB/ 63 F WB 80 F DB/67 F WB 85 F DB/71 F WB 40 F EWT 45 F EWT 50 F EWT 40 F EWT ...
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Carrier 42BVC - page 26
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). UNIT SIZE 42BHC,BVC GPM 75 F DB / 63 F WB 80 F DB / 67 F WB 85 F DB / 71 F WB 40 F EWT 45 F EWT 50 F EWT 40 ...
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Carrier 42BVC - page 27
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). UNIT SIZE 42BHC,BVC ∆ T 75 F DB/63 F WB 80 F DB/67 F WB 85 F DB/71 F WB 40 F EWT 45 F EW T 50 F EWT ...
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Carrier 42BVC - page 28
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. UNI T SIZE 42BHC,BVC CONNECTION SIZE(in. ) CFM R-22 SUCTION TEMP(F) ENTERING-AIR TEMPERA TURE (F)—DRY BUL B/WET BULB 75/63 80/6 3 75/67 8 0/67 80/ 71 85/71 L i q u i d ...
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Carrier 42BVC - page 29
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. UNIT SIZE 42BHC,BVC CONNECTION SIZE (in. ) CFM R-2 2 SUCTION TEMP (F) ENTERING AIR TEMPERA TURE (F) — DRY BULB/WET BULB 75/63 80 /63 75/67 80/ 67 80/ 71 85/7 1 L i q u i ...
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Carrier 42BVC - page 30
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. bore fan sh eave s. U nit sizes 16, 20, 30 and 40 ha ve 1-i ...
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Carrier 42BVC - page 31
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. bore fan sh eave s. U nit sizes 16, 20, 30 and 40 ha ...
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Carrier 42BVC - page 32
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). Calc ulati ng p ress ure dro p: The ...
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Carrier 42BVC - page 33
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. SOUND POWER DA T A DISCHA RGE SOUND RA TIN GS — A-WEIGHTED SOUND POWE R LEVEL RA TINGS* (dB) * These noise ratings are calculated val ues, not actu al test v alues, and ap ...
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Carrier 42BVC - page 34
34 T ypica l wiring schematics BASE UNIT , SINGLE-PHASE POWER MOTOR CONTROL/DISCONNECT OPTION SI NGLE-PHASE POWER ...
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Carrier 42BVC - page 35
35 BASE UNIT , THREE-PHASE POWER MOTOR CONTROL/DISCONNECT OPTION TH REE-PHASE POWER ...
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Carrier 42BVC - page 36
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. 2. N o H W valv e with electric heat. N OT E S: 1. Optional valves ar ...
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Carrier 42BVC - page 37
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. E lectr ic H eating Capacities ( Btuh) =H eater kW x 3413 3. ...
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Carrier 42BVC - page 38
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. Field verification of the motor rotation is required on 3-phase applications. Motor control o p tions • Interl ockin g disc onnect switch* • 24-v class 2 transfor mer (40 va)† • ...
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Carrier 42BVC - page 39
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 1.01 SYSTEM DESCRIPTION Horizontal and vertical , 2-pipe or 4-pip e, belt- driven, galva nized casin g model fa n coil unit fo r ducted install ...
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Carrier 42BVC - page 40
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. N ew Pg 40 Catalog N o. 524-236 Printe d in U .S.A. F or m 42B-1P D R eplaces: 42B H C- 1PD Book 3 Ta b 7 a Carrier Cor poration • Syracuse, N ew Y ork 13221 9-05A 9-05 Book 4 Ta b 4 F C 4 2) On ...
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