Carrier AIRSTREAM 42BHC User's Manual
Contents
1. II NDTES THIS IS ELECTRICAL DIAGRAM CAUTIUN DISCONNECT PDWER BEFDRE SERVICING SEE NAME PLATE FOR CORRECT VOLTAGE USE 75 C MIN COPPER CONDUCTORS ONLY UNIT TERMINALS ARE NOT DESIGNED TO ACCEPT ANY OTHER WIRING BLOWER MOTORCS THERMALLY PROTECTED TO ENSURE PROPER FAN INTERLOCK amp SEQUENCING EXTERNAL CONTROLLER MUST ENERGIZE HEATER STAGES IN NUMERICAL ORDER SHOWN AND DEENERGIZE STAGES IN REVERSE ORDER CFIRST ON LAST OFF ALL CONTRACTOR WIRING MUST CONFORM TO ELECTRICAL CODES NATIONAL AND LOCAL to oo e o o 35 Typical wiring schematics cont 2 PIPE COOLING ONLY WITH SINGLE SPEED FAN OPERATION AND HONEYWELL THERMOSTAT HONEYWELL TYPICAL T834C FAN COIL UNIT THERMOSTAT CONTROL BOX HONEYWELL VALVE WIRING 1 Optional valves are field wired 2 No HW valve with electric heat 2 PIPE OR 4 PIPE HEATING COOLING WITH SINGLE SPEED FAN OPERATION AND HONEYWELL DIGITAL THERMOSTAT HONEYWELL TYPICAL N Ad FAN COIL UNIT T8501D THERMOSTAT CONTROL BOX BRI LE 477 gt HONEYWELL VALVE WIRING NOTES 1 Optional valves are field wired 2 No HW valve with electric heat 36 Electrical data 42BHC BVC ELECTRIC HEATER DATA AVAILABILITY 42BHC UNIT SIZE2. TOP VIEWS T 1 e BOTTOM REAR INLET TOP REAR INLET RIGHT HAND SIDE VIEWS NOTE All dimensions in inches 42BHC BVC DIMENSIONS in UNIT SIZE FRONT VIEW NOTE All dimensions in inches 42 06 42 08 42 10 42 12 42 16 42 20 42BHC30 42BHC40 DIMENSIONS in w MIXING BOX RAILS SIDE VIEW 42 06 42 08 42 10 42 12 42 16 42 20 42 0 42 40 DIMENSIONS 15 Accessory dimensions cont VALVE PACKAGES Basic Basic valve package includes 2 or 3 way Deluxe Deluxe valve package includes a circuit valves with balancing valves and 2 ball valvs setter and a strainer in addition to the components listed under basic valve package NOTE All dimensions in inches PIPING Umm 1245 2285 1525 74i 35 away Sain 1271
3. UNIT 75 F DB 63 F WB 80 F DB 67 F WB 85 F DB 71 F WB SIZE 4 8 5 3 6 3 06 2 8 3 2 6 1 62 4 6 4 7 08 3 6 3 7 2 8 2 9 2 2 2 3 8 1 62 8 3 8 5 6 4 4 7 6 5 6 6 10 5 1 3 7 5 2 5 3 4 1 2 9 4 2 4 2 3 3 2 2 3 4 3 4 9 3 7 0 9 5 9 7 7 2 5 4 7 4 7 5 12 5 8 4 3 5 9 6 0 4 7 3 4 4 7 4 8 3 8 2 6 3 8 3 9 2 2 9 3 2 5 2 8 9 5 7 1 9 7 9 9 16 7 5 5 5 77 7 8 6 0 4 1 6 1 6 3 4 7 4 9 5 0 5 4 5 7 16 1 2 0 2 3 12 5 20 9 6 9 8 10 0 7 8 7 9 8 1 6 3 6 5 6 6 3 0 24 1 7 9 18 6 30 4 2 14 8 1 3 11 8 9 0 9 5 1 8 332 5 0 26 0 40 0 1 20 8 6 4 16 9 3 4 13 8 LEGEND NOTE All capacities are given in thousands of MBtuh DB Dry Bulb Temperature TC Base Total Capacity at Nominal EWT Entering Water Temperature WB Wet Bulb Temperature MBtuh Btuh in Thousands AT Change in Water Temperature F SC Base Sensible Capacity at Nominal 42BHC BVC 8 ROW COOLING CAPACITY by T UNIT 75 F DB 63 F WB 80 F DB 67 F WB 85 F DB 71 F WB SIZE 40 F EWT 45 F EWT 50 F EWT 40 F EWT 45 F EWT 50 F EWT TERHGIE TE 1 Sco ePm TC EUR SEIS SC i E 1 E 6 8 33 8 212 5 3 26 7 18 1 3 9 19 4 152 i 5 52 31 4 20 2 4 0 242 171 y 06 4 1 28 7 19 0 i E 7 8 9 247 j E 2 i i 19 9 08 9 0 T 5 11 5 9 346 7 0 9 1 31 6 10 5 5
4. Model Number Nomenclature Physical Options and Accessories Base Unit Dimensions Accessory Dimensions Application Selection Performance Data Typical Wiring Schematics Electrical Controls sb tee sf e us Guide Specifications One inch matte surface fiberglass thermal acoustical insulation lines the fan coil cabinets to prevent sweating and to muffle sound transmission The stainless steel double sloped condensate drain pan extends under full coil surface to cut maintenance costs Slide in return duct collar filter makes it possible to remove and replace the filter without disturbing return air ductwork INTERNAL FEATURES OF A 42BHC FAN COIL UNIT 80 20 Heater Element Wire Interlocking Disconnect Switch Threaded Rod Suspension not part of unit Removable Cleanable Motor Drive Packages with Keyed Pulleys Easy Access 2 inch Filter Rack No Tool Camlock Access Panel Stainless Steel Externally Insulated Motor Mounting Double sloped Drain Pan Model number nomenclature 42BH C 08 1 42BH Vertical Belt Drive Fan Coil Unit 42BV Vertical Belt Drive Fan Coil Unit ell ows B 4 2 Pipe L 6 2 Pipe H 4 1 Same End Conn K 4 2 Same End
5. NNN QN TP rere iD NI SE CO NAN FIO OANA El ere eic en eooowudja o eoowawwW oo ewxoawaq jooo o 10 Gic go eo sis Nawa ojooo o o e mra eve oo oio NaN ooj ooo oorox eoocr ono N ooo oooc en eot c c c oooo ooo 91049 V 7 co I xo LO tst looooo oo NE CO QN cuu T ooooo SOUND POWER DATA NOTE Table interpolation is permissible and extrapolation is not rec ommended 18 0 19 0 20 0 A WEIGHTED SOUND POWER LEVEL RATINGS dB DISCHARGE SOUND RATINGS 42BHC BVC UNIT SIZE NOMINAL CFM CENTER FREQUENCY Hz 42 06 08 10 12 16 20 30 42 50 50 51 49 52 60 40 These noise ratings are calculated values not actual test values and apply only to the discharge of the unit not the radiated sound levels Sound power is in decibels re
6. 06 os 10 12 16 20 40 e e e e e e e e e e e e LEGEND Standard Offering NOIES Stages available 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 Electric Heating Capacities Btuh Heater kW x 3413 3 Electric Heater Amperage for Single phase Power 42BHC BVC ELECTRIC HEATER DATA FULL LOAD AMPS kw Three Phase 480 V AUINWODNARODNA WP gt 2 4 4 8 6 0 7 2 8 4 9 6 0 8 2 0 4 4 6 8 9 2 3 8 8 9 6 1 8 5 7 9 1 1 1 1 1 2 2 3 3 4 CO CO D OO D IRE GO oLlLlLoivonroonrivoonrovoonrivi 4 Heater kW 1000 Applied Voltage Electric Heater Amp for 3 phase Power Heater kW x 1000 Applied Voltage x 1 73 MOTOR PERFORMANCE DATA AMPS VOLTAGE Nominal HP vente uw 2 3 5 115 1 60 52 86 13 3 144 208360 3 0 3 6 48 65 74 94 110 230 1 60 2 5 3 0 42 66 90 109 2717 1 60 21 25 36 51 54 85 208360 24 36 38 65 82 230 22 30 a2 48 62 80 149
7. p T ui 16 sw qp JE md Em i a Re heat athe 3 a a pisa pe 9s 7 did E 20 ro 7 18 mus e ce o 9 mi I EE 30 40 01 59 oi MM REESE ES Dom 8 9 4 EA 47 06 08 o 47 f o 7h T o mm up fe 4 47 10 12 8 e 47 8 L7 2s 4 EA 47 Pre heat 16 EA 47 Oe ee o OT 4 S3 47 20 o 8 S3 47 8 9 a 7 13 47 30 40 0 59 18 3 6 9 9 47 8 5 110 Factory installed option 18 Application data Basic definitions Unit hand When facing the supply air outlet from the front of the unit air blowing in your face your right hand will be the right hand side of the unit and your left hand the left hand side of the unit UNIT HAND PIPING COMPONENTS FACTOR RATING SYMBOL SKET
8. scs at at 56 res Sca at cs at 56 res se ar 5 3 10 9 16 3 13 2 9 0 13 5 12 1 7 2 10 7 10 7 13 0 19 5 9 1 13 7 12 3 15 3 22 9 15 7 13 3 19 9 14 6 11 2 16 9 13 5 06 4 9 1 18 amp 3 14 0 7 5 15 0 12 7 5 7 11 5 11 5 11 0 22 0 7 6 15 2 12 8 13 1 26 2 16 9111 3 22 6 15 5 9 5 18 9 14 2 5 7 9 19 7 14 6 6 4 16 1 13 1 5 0 12 5 11 6 9 6 23 9 6 5 16 2 13 2 11 4 28 5 17 8 9 8 24 5 16 3 8 2 20 4 14 8 2 87 E f 12 2 8 4 14 5 14 8 16 6 08 4 10 4 6 15 6 6 9 12 4 12 7 17 4 5 90 4 1 5 8 10 8 11 1 9 3 18 0 6 8 0 5 5 5 0 9 6 9 8 2 18 5 3 15 4 iT 0 10 6 2 5 8 21 0 10 4 132 0 8 8 8 7 3 6 22 1 5 1 5 5 5 7 4 8 18 22 9 6 10 2 4 1 6 4 3 0 5 23 6 3 16 4 8 7 11 6 3 6 9 23 8 12 4 142 9 4 97 8 45 25 0 5 12 4 3 2 8 2 8 2 25 9 6 14 9 7 1 3 1 3 26 7 5 142 7 3 9 9 8 4 7 32 6 16 T 1 8 8 0 7 8 2 1 34 6 9 10 1 3 2 6 4 0 3 36 0 11 8 7 5 4 6 9 0 37 0 5 116 5 8 6 11 6 4 7 0 39 5 20 7 113 9 6 6 9 3 42 41 9 9 1 9 8 1 77 2 2 2 43 6 11 0 4 1 6 6 5 0 6 44 9 7 5 9 9 5 11 7 0 6 5 57 9 9 14 6 al 4 10 2 2 5 1 60 9 30 11 134 0 6 8 9 6 3 5 63 1 14 1 4 4 8 7 5 1 7 65 7 17 1 4 3 5 6 4 1 0 3 67 7 6 4 5 4 11 4 4 6 9 82 1 4 4 0 8 9 6 4 7 85 6 40 2 8 6 2 83 3 18 0 152 6 103 2 34 88 3 14 4 5 7 0 3 5 3
9. 58 65 6t 47 65 58 47 61 NoHeat 53 s st s sa 51 58 66 62 47 ee se 47 ee 63 69 6t 50 eo 63 so 31 WithHeat 81 v2 54 a1 54 72 70 e2 51 70 5t WihHeat 70 82 73 55 82 vo 55 73 NoHeat 74 85 72 58 as v4 58 72 WihHeat 98 84 61 6t 84 90 108 86 68 108 90 68 86 WinHeat 95 123 99 71 123 95 71 99 NoHeat 139 106 139 110 106 115 155 120 83 155 115 83 120 NoHeat 131 172 125 94 172 131 94 125 With Heat 135 190 140 95 190 135 94 140 NOTE Unit weights shown in pounds 10 are based on the 8 row coil and 1 Hp motor TOTAL WEIGHT UNIT CORRECTION FACTOR Corner weights on pages 12 and 13 are for 8 row water filled coils For a different number of rows total unit weight can be determined by the following procedure Identify the number of rows and the size of the unit Determine the total weight of the unit from the Corner Weight tables From the table below identify the correction factor for size of unit and number of rows and subtract this from the total weight 42BHC BVC 13 Accessory dimensions 14 MIXING BOX
10. GPM 0 658 x Cy or Refer to the Water Pressure Drop for Cv Factor and Water Flow Rate table See example on page 22 Cv FACTOR BY COIL AND UNIT SIZE 42BHC BVC UNIT SIZE 06 10 12 16 20 40 TRowHeatOny 14 14 13 13 12 12 08 07 2 Row Heat Only 2 4 2 4 2 2 2 2 2 0 1 9 16 14 4 Row Heat Cool 47 47 4 4 4 4 7 2 6 8 13 2 124 6 Row Heat Cool 114 10 5 8 Row Heat Cool 3 6 36 3 3 3 3 5 3 5 1 98 90 COIL 42BHC BVC WATER PRESSURE DROP ft wa FOR CV FACTOR AND WATER FLOW RATE GPM N A 10 00 t0 3 0 6 co eo lt oo t0 xt xt st Nr foiro N CO co eo tO vont N roo WATER FLOW RATE GPM 2 0 25 3o 3 5 4 0 45 50 5 5 eo 65 7 0 75 8 0 8 5 o 95 10 0 105 110 11 5 12 0 13 0 14 0 15 0 16 0 17 0 18 0 19 0 20 0
11. 08 10 12 16 20 30 40 LEGEND NOTES Application not available 1 Contact factory if higher horsepower selection is required for a Bhp given cfm and total static pressure 2 The variable pitch motor sheave provided will allow 15 rpm adjustment Unit sizes 06 08 10 and 12 have 3 in bore fan sheaves Unit sizes 16 20 30 and 40 have 1 in bore fan sheaves 3 Consult factory for motor selections when outlet air temperature exceeds 104 F on hot water coil applications 4 Single phase motors are only available to 2 hp Three phase motors are available from 1 2 to hp 30 UNIT HORSEPOWER DATA TABLE cont UNIT TOTAL STATIC PRESSURE in wg NS e Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Rpm Bhp Rpm Bhp Rpm Bhp 06 08 10 12 16 1 06 20 1 14 1 21 1 28 1 37 1 32 1 45 30 1 61 1 78 1 97 2 17 1 81 1 95 40 2 10 2 27 2 46 2 68 LEGEND Pur Application not available Contact factory if higher horsepower selection is required for a Bhp Horsepower given cfm and total static pressure 2 The variable pitch motor sheave provided will allow 15 rpm adjustment Unit sizes 06 08 10 and 12 have 3 4 in bore fan sheaves Unit sizes 16 20 30 and 40 have 1 in bore fan sheaves 3 Consult factory for moto
12. RETURN AIR 1 C01L SUPPLY CONN AIR COLLAR Mounting Holes 06 35 4 08 35 4 3613 6 3613 16 16 37 20 397 16 30 997 16 40 425 NOTES 1 All dimensions are in inches x 4 in Any modifications to product specifications by any person are subject to acceptance of the factory Product specifications are subject to change without notice 2 3 Right hand shown left hand opposite 4 Hanger rods which are field supplied are shown for reference only Base unit dimensions cont 42BHC FAN COIL WITH ELECTRIC HEAT OPTION WIDTH E ILTER RACK WITH TOOLLESS ACCESS FROM SIDES AND BOTTOM HANGER ROD KNOCKOUT 95 8 TYP 4 PLCS 2 5 t DETAIL 1 SCALE 0 250 I SEE DETAIL 20 OPEN ELECTRIC HEAT AND MOTOR MOUNTED SAME SIDE AS 17 SUPPLY COIL CONNECTIONS 80TH SIDE PANELS WITH AIR COLLAR TOOLLESS CAMLOCK ACCESS 1 C01L RETURN CONN ea HEIGHT RETURN AIR 1 C0IL SUPPLY CONN RETURN AIR COLLAR COIL DRAIN CONN MALE 3 4 14 FRONT VIEW FEMALE 1 2 14 NPT SECONDARY SIDE VIEW DIMENSIONS in Se re om wom ew epee Bo c J 06 351 4 08 351 4 3613 16 3619 16 37 20 397 16 30 397 16 40 425 5 1 All dimensions in inches x 4 in Any modifications to product specifications by any person are subject to acceptance of the factory Pr
13. 3186 7996 S Normal Close Of im 148 55 208 96 8 Spring Return iim i472 1938 2774 8247 2065 5519 8 Sain 1959 3 156 1859 7936 46 tin 1497 338 2090 96 66 e Ducem ve rae pe 2 way Power Off Bares penes es pee e 3 way High Close Off tin 1947 2731 8248 2070 2528 9 16 PIPING CONNECTION LOCATION DIAGRAM B A 2 51 1 5 8 41 RH Tell Tale LH Tell Tale in N 2 m m o e LEGEND Use the table on the next page to determine the location of the piping connections For example on a size 20 unit with 4 rows and a right Gold Water Return hand connection the location of the chilled water supply line is deter Cold Water Suppl mined by 6 in and 74 5 in Hot Water Supply Left Hand Right Hand Stub Out Right hand unit with re heat coil shown HEAD STUB OUT SIZES in NE TEER Nominal Nominal Nominal Row Coil Nominal 1 05 075 1 05 075 1 os os 1 05 075 17 Accessory dimensions cont 42BHC BVC DIMENSIONS in HEAT OPTIONS aa oe H 4 559 06 08 6 8 8 9 c upe pem 4 51946 x ups me 10 12 sp
14. KNN 60 OQ e 010 ocdor oo ONNAN 3 eooor Q0 st 2 7 3 0 8 6 4 2 1 0 9 ANE st SE SE co oou eosxa l ooor OQ eee 00 O 00 CO QN st CN eee HK KODA lt sesriDIOID Cv FACTORS lt st QNI aaa N
15. 15 8 165 5 108 1 f 1 3 91 1 9 8 0 2 6 0 8 147 9 102 7 A 5 0 14 1 175 8 112 1 0 150 4 102 4 10 0 93 3 LEGEND NOTE capacities are given in thousands of Btuh MBtuh DB Dry Bulb Temperature EWT Entering Water Temperature MBtuh Btuh in Thousands SC Base Sensible Capacity at Nominal TC Base Total Capacity at Nominal WB Wet Bulb Temperature AT Change in Water Temperature F 42BHC BVC 6 ROW COOLING CAPACITY by Gpm UNIT 75 F DB 63 F WB 80 F DB 67 F WB 85 F DB 71 F WB SIZE 40 F EWT 45 F EWT 50 F EWT 40 F EWT 45 F EWT 50 F EWT 40 F EWT 45 F EWT 50 F EWT 1 13 5 20 2 15 4 11 1 16 7 13 9 13 2 12 5 16 1 24 2 16 9 13 7 20 6 15 5 11 2 16 8 14 0 19 0 28 4 18 3 16 5 24 7 16 9 13 9 20 8 15 5 06 11 3 22 6 16 4 9 2 18 5 14 6 2 14 4 12 9113 6 27 2 18 2 11 5 23 0 16 4 9 3 18 6 14 7 16 1 32 2 19 8 13 9 27 9 18 1 117 23 4 16 4 9 7 24 2 17 1 7 9 19 7 15 1 15 1 13 3 11 7 29 2 19 1 9 9 24 6 17 1 7 9 19 9 15 2 13 9 34 8 20 9 12 0 30 0 19 0 10 0 25 1 17 1 19 1 08 20 2 21 0 21 6 25 2 10 E j 26 3 6 27 2 8 28 4 6 13 7 41 0 30 8 11 2 33 6 27 7 8 8 26 5 24 8 16 4 49 1 33 9 13 8 41 5 30 9 11 3 33 8 27 9 19 3 57 8 36 8 16 6 49 9 33 8 14 0 41 9 30 9 12 8 11 2 447 32 4 9 1 36 4 28 9 7 1 28 2 25 5 13 5 53 9 35 9 11 3 45 4 32 4 9 2 36 7 29 0 16 0 63 9 39 3 13 8 55 0 35 8 11 5
16. 2 7 19 0 14 2 5 3 1 15 08 160 5 1 i 5 8 4 64 6 4 4 9 10 5 0 3 8 4 0 29 32 22 7 0 93 72 5 8 7 2 5 5 12 4 1 5 7 4 3 32 4 5 34 2 3 3 6 2 5 9 1 23 9 5 6 8 9 4 74 16 5 1 7 8 5 5 3 6 5 7 42 4 5 6 5 5 2 0 9 2 0 9 2 20 9 9 5 7 2 3 7 6 5 6 9 6 1 42 2 3 1 7 8 9 7 7 3 5 30 8 3 9 0 4 9 55 2 55 2 10 5 0 9 7 9 8 5 E 16 6 2 52 1 0 662 7 1 577 2 67 5 59 18 8 62 14 14 7 102 9 84 5 10 4 72 8 72 8 14 7 102 9 84 5 19 5 136 6 98 0 15 0 105 0 85 7 10 6 74 1 741 25 1 175 5 112 0 20 0 140 1 98 6 15 2 106 7 86 40 16 11 6 92 9 80 4 8 2 65 3 65 3 11 6 92 9 80 4 15 8 126 1 93 9 11 9 95 2 8211 8 4 67 2 67 2 20 5 163 8 107 5 16 2 129 4 94 7 12 1 97 1 18 9 1 81 9 76 0 6 1 55 2 55 2 941 81 9 76 0 12 8 115 0 89 5 9 4 84 8 78 3 6 5 58 5 58 5 16 9 1524 1031 13 1 118 4 90 8 927 872 80 2 LEGEND NOTE All capacities are given in thousands of MBtuh DB Dry Bulb Temperature EWT Entering Water Temperature MBtuh Btuh in Thousands SC Base Sensible Capacity at Nominal TC Base Total Capacity at Nominal WB Wet Bulb Temperature AT Change in Water Temperature F 26 42BHC BVC 6 ROW COOLING CAPACITY by AT
17. 0 1732 115 1 205 7 105 9 205 3 125 9 3800 EB 111 6 90 0 115 6 115 6 141 4 81 8 142 9 102 5 174 4 93 4 175 2 113 9 40 11s EB 78 8 78 8 97 2 97 2 106 5 68 3 111 0 90 1 140 6 80 8 143 2 101 9 40 145 9 106 9 138 9 138 9 177 3 97 8 177 7 119 1 2102 108 8 2102 129 9 4000 45 115 1 93 6 120 1 120 1 144 9 84 4 146 8 106 3 178 3 96 2 179 5 117 8 50 81 9 81 9 101 0 101 0 109 4 70 7 114 4 93 7 143 8 83 4 146 9 105 7 40 149 7 110 5 143 8 143 8 181 1 100 4 181 9 122 8 214 3 111 5 2147 133 8 4200 45 118 3 97 1 1244 1244 148 1 86 9 150 4 110 0 181 8 98 9 183 5 121 6 50 84 9 84 9 1047 1047 112 1 73 1 117 5 97 2 146 6 85 9 150 4 109 3 LEGEND Capacity based on R 22 refrigerant at 105 F liquid temperature and 10 F MBtuh Capacity Btuh in thousands superheat SH Sensible Heat TH Total Heat 29 Performance data cont UNIT HORSEPOWER DATA TABLE UNIT TOTAL STATIC PRESSURE in wg SIZE BLOWER 03 04 os 06 07 09 10 JZBHC BYG om Rpm Se Rom hp Fm Sg Rem Bh Rpm Bhp hp Rm Rpm Bhp 0 20 0 25 0 29 0 34 0 39 0 22 0 26 0 30 0 35 0 41 0 36 0 43 0 50 0 59 0 70 0 31 0 35 0 40 0 46 0 52 0 40 0 44 0 48 0 53 0 60 0 57 0 62 0 68 0 74 0 80 0 87 0 95 0 82 0 93 1 06 1 21 1 37 1 55 1 16 1 29 1 43 1 58 1 74 1 95 06
18. 0 636 0 727 0 818 0 909 1 000 1 091 1 182 75 0 227 0 318 0 409 0 500 0 591 0 682 0 773 0 864 0 955 1 045 1 196 80 0 182 0 272 0 363 0 455 0 545 0 636 0 727 0 818 0 909 1 000 1 091 NOTES 1 Leaving air temperature not to exceed 104 F with standard motor 2 Base capacity ratings based on 180 F entering water temperature and 70 F entering air temperature 3 Hot Water Heating Capacity MBtuh Rated Heating Capacity x Hot Water Capacity Correction Factor x Sensible Airflow Correc tion Factor 23 Performance data cont 42BHC BVC NOMINAL COOLING CAPACITIES 42BHC BVC NOMINAL HEATING CAPACITIES COOLING UNIT SIZE NOMINAL CFM Rows HEATING CAPACITY UNIT SIZE NOMINAL COIL EWT Total Sensible 42 42BHC BVC CFM ROWS F Capacity Capacity 27 0 06 MBtuh MBtuh 46 9 23 3 16 0 27 0 17 9 13 8 08 800 46 9 12 8 12 0 27 0 19 8 10 06 45 17 0 46 9 50 14 5 38 5 12 1200 40 212 68 5 45 18 1 48 0 50 152 877 40 28 4 20 0 7 4 45 21 9 17 5 20 2000 2 i 9 50 15 3 15 3 049 40 38 4 25 1 _ 08 800 ES INE WE 1492 50 22 5 18 6 92 3 40 42 6 27 2 59 sien 182 4 45 33 7 23 3 50 24 7 19 8 40 40 5 273 NOIES 4 45 31 6 237 1 Ratings are based on 180 F Entering Water Temperature EWT and 70 F 234 206 Entering Air Temperature EAT 2 Leaving air temperature is not to exceed 104 F with the standard motor 40 52 2 33 3 Consult the factory for higher temperature motor applications
19. 10 12 w 33 Typical wiring schematics BASE UNIT SINGLE PHASE POWER IL UNIT SURE TERMINATE MOTOR LEADS INSIDE J BUX RED OR WHT FOR FIELD CONNECT ION MOTOR DIAGRAM IS REPRESENTATIVE ONLY SEE MOTOR PLATE FOR ACTUAL NOTE ALL LINE VOLTAGE WIRING IS BLACK AND NEUTRAL IS WHITE 4x4 J BUX NOTES CAUTION DISCONNECT POWER BEFORE SERVICING SEE NAME PLATE FOR CORRECT VOLTAGE USE 75 C MIN COPPER CONDUCTORS ONLY WIRE CONNECTION UNIT TERMINALS ARE NOT DESIGNED ACCEPT ANY OTHER WIRING WIRE TAPED BLOWER 5 THERMALLY PROTECTED FACTORY WIRING PROVIDE DISCONNECT MEANS amp OVERCURRENT PROTECTION AS REQUIRED FIELD WIRING ALL CONTRACTOR WIRING MUST CONFORM TO ELECTRICAL CODES NATIONAL AND LOCAL MOTOR CONTROL DISCONNECT OPTION SINGLE PHASE POWER z zz og 4 TRANSFORMER DISCONNECT Wire Gauge Color AWG Black AWG Red or Whitex AWG Black AWG Red or Whitex AWG Black AWG Red or Whitex AWG Yellow NOTES AWG Orange THIS IS A POINT TO POINT ELECTRICAL DIAGRAM AWG Yellow CAUTION DISCONNECT POWER BEFORE SERVICING AWG Gray SEE NAME PLATE FOR CORRECT VOLTAGE USE 75 MIN COPPER CONDUCTORS ONLY AWG Yellow UNIT TERMINALS ARE NOT DESIGNED TO ACCEPT ANY OTHER
20. 21 9 13 0 22 2 16 6 50 6 1 6 1 10 4 10 4 6 1 6 1 10 4 10 4 12 7 9 9 15 0 14 1 40 18 8 12 0 15 4 15 4 19 5 11 5 19 5 14 5 26 9 142 26 6 17 1 45 9 0 9 0 12 3 12 3 11 5 8 5 13 2 12 1 19 4 11 4 19 7 14 5 50 5 0 5 0 8 9 8 9 5 0 5 0 8 9 8 9 11 0 8 6 13 0 12 2 40 17 0 15 4 19 8 19 8 24 3 14 6 24 2 18 4 33 0 17 7 32 4 21 4 08 3 g 5 8 800 45 11 8 11 8 15 9 15 9 149 114 16 8 15 6 24 1 14 5 24 4 18 4 50 7 1 11 7 11 7 7 1 11 7 11 7 14 2 11 2 16 7 15 8 40 18 4 16 9 21 5 21 5 26 3 15 9 26 2 20 1 35 5 19 2 35 3 23 4 45 12 9 12 9 17 3 17 3 16 2 12 1 18 3 17 1 26 4 15 9 26 3 20 1 12 9 12 9 7 9 7 9 12 9 12 9 15 6 12 3 17 3 17 3 40 247 18 9 23 9 23 9 33 2 18 3 32 9 22 2 42 0 21 5 41 4 25 2 800 45 17 2 15 8 20 0 20 0 24 9 14 9 24 9 18 9 33 9 18 2 33 6 22 1 11 9 11 9 16 0 16 0 151 11 3 17 0 15 9 24 6 14 8 24 9 18 9 40 29 1 22 7 29 1 29 1 38 8 21 7 38 6 26 5 48 8 25 3 48 4 30 0 10 1 2 78 1000 45 20 8 19 3 24 4 24 4 29 2 17 9 29 3 22 8 39 5 21 6 39 1 26 4 50 14 8 14 8 19 7 19 7 18 1 13 8 19 7 19 7 29 0 17 8 29 3 22 8 40 31 0 24 5 31 4 31 4 41 2 232 40 8 28 4 51 7 26 9 51 0 32 0 1100 45 22 3 20 9 26 4 26 4 31 1 19 2 31 2 24 6 41 9 23 1 41 6 28 4 16 0 16 0 21 2 21 2 19 4 14 9 21 2 21 2 30 8 19 2 31 2 24 6 40 29 1 22 7 29 1 29 1 38 8 21 7 38 6 26 5 48 8 25 3 48 4 30 0 1000 45 20 8 19 3 24 4 24 4 29 2 17 9 29 3 22 8 39 5 21 6 39 1 26 4 50 14 8 14 8 19 7 19
21. 46 0 32 4 10 9 4 47 1 33 5 7 7 38 3 29 7 5 9 29 4 26 0 11 5 57 3 37 4 9 6 48 0 33 5 7 7 38 6 29 7 13 6 68 2 41 1 11 7 58 6 37 2 9 8 48 8 33 4 7 8 32 8 17 d 40 0 16 9 0 33 3 15 1 ij B 3 8 3 68 7 45 9 12 8 57 6 41 8 11 6 34 0 73 4 47 7 11 1 43 2 13 8 34 5 44 2 7 2139 2 20 d E d a i 5 71 7 52 1 17 4 60 8 48 2 9 5 41 5 17 5 E E 8 79 9 55 1 14 9 67 3 50 5 20 11 0 41 6 15 1 6 13 3 2 10 9 47 0 18 7 15 52 2 13 6 42 3 13 E 5 t i 0 90 8 59 2 11 7 75 9 53 6 15 9 42 8 12 5 8 94 6 60 7 10 5 78 9 54 7 11 0 59 0 72 7 30 14 5 62 5 76 0 17 8 62 7 78 7 21 81 3 17 15 6 132 8 101 1 12 9 109 4 91 3 10 2 86 6 82 1 18 7 158 6 111 1 15 8 134 3 101 4 12 9 109 9 92 0 21 9 185 9 120 3 18 9 160 8 110 8 15 9 135 4 101 6 40 21 13 6 142 7 105 4 11 1 116 8 94 3 8 7 91 3 83 9 16 3 171 3 116 4 13 8 144 5 105 4 11 2 117 3 94 8 19 2 201 8 126 5 16 6 174 2 115 8 13 9 145 9 105 3 25 12 0 150 0 108 6 9 8 122 3 96 6 7 6 94 8 85 3 14 5 180 8 120 4 12 2 152 2 108 5 9 8 123 0 97 0 17 1 213 8 131 4 14 7 184 4 119 7 12 3 154 1 108 3 LEGEND NOTE All capacities are given in thousands of MBtuh DB Dry Bulb Temperature EWT Entering Water Temperature MBtuh
22. 460360 11 15 19 28 31 40 NOTES 1 Motor Full Load Amps refer to National Electric Code NEC Amps actual motor nameplate amps may vary 2 NEC data extrapolated for 277 v 3 Motors are open drip proof ball bearing single speed 1750 rpm rated at continuous duty 140 F ambient with reversible rotation Service Switches The service switch is an On Off switch on incoming power supply to unit Proper amperage load must be determined before switch can be selected The range of the fused or non fused service switch is 0 to 40 amps Amp Load Motor amps Heater amps if required 1 20 The UL listing signifies that Carriers fan coil units have been examined by UL and comply with the organization s applicable standards of U S and Canadian national product safety standard UL 1995 CSA C22 2 No 236 c UL us 37 Controls Standard control features 4in x4 in junction box NOTE Motor leads are wired to the 4 in x 4 in junction box mounted on the external panel Field verification of the motor rotation is required on 3 phase applications Motor control options Interlocking disconnect switch 24 v class 2 transformer 40 va t 8 pole control terminal strip Motor power fusing Motor control contactor Motor and electric heat control options NOTE Electric heat option requires same voltage as motor and must include the control option These control features are standard with electric he
23. 7 18 1 13 8 19 7 19 7 29 0 17 8 29 3 22 8 40 32 8 26 1 33 5 33 5 43 4 24 6 42 8 30 1 54 3 28 5 54 2 34 2 12 1 2 7 8 1200 45 23 7 22 4 28 1 28 1 32 7 20 4 32 9 26 2 44 0 24 5 43 5 30 1 171 17 1 22 7 22 7 20 6 16 0 22 7 22 7 32 5 20 4 32 9 26 3 40 344 27 6 35 3 35 3 45 4 25 9 45 1 31 9 56 7 29 9 56 6 36 0 1300 45 24 0 24 0 29 7 29 7 34 3 21 5 34 5 277 45 9 25 8 45 6 31 8 50 18 1 18 1 24 0 24 0 21 8 16 9 24 0 24 0 34 0 21 5 34 4 27 8 40 38 2 30 7 39 4 39 4 52 0 29 4 51 8 36 2 66 5 34 6 65 9 41 2 1400 45 26 0 26 0 32 8 32 8 37 9 23 8 38 3 30 8 53 0 29 4 52 6 36 1 18 9 18 9 25 9 25 9 21 8 18 0 25 9 25 9 37 2 23 7 38 3 31 0 40 41 9 34 1 43 7 43 7 56 7 32 3 56 0 39 7 72 3 37 9 71 8 45 4 16 5 8 7 8 1600 45 28 9 28 9 36 4 36 4 41 5 26 4 42 0 34 2 57 6 32 3 57 2 39 8 50 21 1 21 1 28 9 28 9 24 2 20 1 28 9 28 9 40 5 26 3 41 8 34 4 40 45 1 37 1 47 3 47 8 60 8 34 9 60 1 43 1 77 3 40 8 77 0 49 2 1800 45 31 4 31 4 39 5 39 5 44 6 28 6 45 1 37 3 61 6 34 9 61 2 43 2 50 23 0 23 0 31 4 31 4 26 3 22 0 31 4 31 4 44 0 28 7 44 9 37 5 40 48 8 392 50 3 50 3 65 9 37 3 65 4 45 8 83 7 43 7 83 2 52 2 1800 45 33 4 33 4 41 9 41 9 48 5 30 5 48 9 39 3 67 0 372 66 5 45 8 50 24 5 24 5 33 4 33 4 28 8 23 3 33 4 33 4 47 5 30 3 48 8 39 5 40 52 2 42 4 54 3 54 3 70 3 40 1 69 7 49 4 89 1 46 8 88 5 56 1 20 5 8 7 8 2000 45 36 2 36 2 45 3 45 3 51 9 32 9 52 4 42 6
24. 71 3 40 0 70 6 49 3 50 26 6 26 6 36 1 36 1 31 0 25 3 36 1 36 1 51 2 32 9 52 2 42 8 40 55 3 45 3 57 8 57 8 74 2 42 6 73 6 52 6 93 9 49 6 93 2 59 6 2200 45 38 6 38 6 48 3 48 3 54 9 35 1 55 4 45 5 75 1 42 5 74 8 52 5 50 28 5 28 5 38 5 38 5 33 0 27 2 38 5 38 5 54 1 35 1 55 2 45 8 40 72 3 57 6 73 9 73 9 98 0 55 2 96 5 67 3 124 8 64 8 122 5 76 6 2600 45 49 0 49 0 61 6 61 6 72 0 44 9 72 6 57 8 99 7 55 1 98 6 67 3 0 35 9 35 9 49 0 49 0 42 3 34 1 49 0 49 0 71 0 44 8 72 5 58 0 76 1 61 1 78 4 78 4 102 8 58 2 102 0 71 5 130 8 68 2 129 8 81 4 52 1 52 1 65 4 65 4 75 8 47 5 76 4 61 3 104 6 58 1 103 8 71 4 38 2 382 52 0 52 0 44 8 36 3 52 0 52 0 74 0 472 76 2 61 6 45 50 40 79 7 64 4 82 5 82 5 107 4 61 1 106 0 74 9 1363 71 4 134 3 85 0 3000 45 549 54 9 68 9 68 9 79 2 50 0 79 9 64 7 109 0 60 9 107 7 74 9 50 40 45 50 40 45 2800 30 5 8 118 40 4 40 4 54 9 54 9 47 2 38 4 54 9 54 9 77 7 49 8 79 7 64 9 83 0 67 5 86 3 86 3 111 6 63 7 110 9 78 7 141 5 74 4 141 0 89 4 e E IIl 3200 57 6 57 6 72 1 72 1 82 4 52 3 83 2 67 8 113 2 63 6 112 3 78 5 42 4 42 4 57 5 57 5 49 2 40 3 57 5 57 5 81 3 52 4 83 0 68 1 110 1 84 0 107 6 107 6 141 6 78 8 141 1 96 2 173 7 90 0 173 3 107 4 3600 82 1 72 3 91 7 91 7 111 1 66 5 110 8 84 0 143 8 78 3 143 3 95 7 50 58 8 58 8 75 4 75 4 76 7 53 6 81 4
25. 8 42 3 29 8 40 39 1 28 0 35 7 35 7 49 4 26 7 49 0 31 8 59 9 30 3 59 6 35 5 1000 45 29 8 23 9 30 7 30 7 39 6 22 5 39 6 27 9 50 3 26 3 49 9 31 5 50 20 3 20 3 25 5 25 5 28 7 18 2 29 7 24 0 39 5 22 2 39 9 27 7 40 43 9 32 1 414 41 4 54 9 30 1 54 7 36 3 66 3 33 9 65 8 40 1 12 1 2 7 8 1200 45 33 7 27 7 35 5 35 5 44 1 25 6 44 3 32 0 55 6 29 7 55 5 36 0 23 6 23 6 29 6 29 6 32 0 20 9 33 5 27 8 44 0 25 3 44 5 31 8 40 46 0 34 0 43 8 43 8 57 3 31 6 57 1 38 3 68 9 35 5 68 8 42 3 1300 45 35 4 29 5 37 7 37 7 46 0 26 9 46 3 33 9 57 9 31 2 57 8 37 9 25 1 25 1 314 314 33 5 22 1 35 2 29 6 45 8 26 7 46 4 33 7 40 53 9 38 8 49 4 49 4 69 0 37 3 68 6 44 6 84 6 42 7 83 7 49 8 1400 45 40 4 32 9 42 2 42 2 54 6 31 2 54 6 38 6 70 6 36 9 70 1 44 2 27 5 27 5 34 9 34 9 38 6 24 9 40 2 33 0 54 7 30 9 55 2 38 5 40 59 0 43 0 55 1 55 1 75 1 40 9 74 5 49 1 91 8 46 7 91 5 55 0 16 5 8 7 8 1600 45 44 4 36 8 47 1 47 1 59 6 34 4 59 7 42 9 76 5 40 5 76 1 48 8 30 7 30 7 39 0 39 0 42 1 27 7 44 2 36 9 59 4 34 0 60 1 42 7 4 63 5 46 9 60 2 60 2 80 4 44 1 80 0 53 3 97 9 50 2 97 5 59 4 1800 45 48 0 40 3 51 5 51 5 63 8 37 3 64 1 46 8 81 7 43 7 81 2 52 9 33 6 33 6 42 6 42 6 45 3 30 2 47 7 40 5 63 4 36 9 64 3 46 6 4 68 0 49 2 62 9 62 9 86 5 46 9 85 9 56 2 105 6 53 6 105 3 63 0 1800 45 51 3 42 0 53 8 53 8 68 8 39 5 68 8 49 0 88 2 46 4 87 9 55 9 35 3 35 3 44 6 44 6 48 8 31 7 51 1 42 1 68 7 39 0 69 4 48 8 40 72 7 53 2 68 3 68 3 92 1 50 3 91 8 60 7 1122 572 111 5 67 5 20 5 8 7 8 2000 45 55 1 45 7 58 5
26. Btuh in Thousands SC Base Sensible Capacity at Nominal TC Base Total Capacity at Nominal WB Wet Bulb Temperature AT Change in Water Temperature F 25 Performance data cont 42BHC BVC 8 ROW COOLING CAPACITY by Gpm UNIT 75 F DB 63 F WB 80 F DB 67 F WB 85 F DB 71 F WB SIZE 40 F EWT 45 F EWT 50 F EWT 40 F EWT 45 F EWT 50 F EWT 40 F EWT 45 F EWT 50 F EWT 42BHC BVC 96 T 8 0 3 6 1 9 08 0 6 9 5 8 6 3 3 2 0 10 0 9 0 0 32 1 1 12 96 8 4 3 6 1 9 15 0 5 9 4 4 9 32 20 19 0 7 6 1 4 2 30 2 7 1 4 0 4 5 9 40 4 5 131 2 101 7 3 3 136 1 103 6 2 2 140 1 105 2 LEGEND NOTE All capacities are given in thousands of MBtuh DB Dry Bulb Temperature EWT Entering Water Temperature MBtuh Btuh in Thousands SC Base Sensible Capacity at Nominal TC Base Total Capacity at Nominal WB Wet Bulb Temperature AT Change in Water Temperature F 42BHC BVC 4 ROW COOLING CAPACITY by AT UNIT F DB 63 F WB 80 F DB 67 F WB 85 F DB 71 F WB SIZE 45FEWT SOFEWT 40 45 F EWT 50 40 F EWT 45 F EWT s2BHC BVC ra refs em e oma ss n Te ss o Esc e se feru se oen 13 8 12 9 3 Ry 2 5 12 5 117 3 5 17 3 13 6 23 3 16 0 36 17 9 13 8 26 12 8 12 0 4 8 24 2 16 2 2 5 14 9 126 25 14 9 12 6 3 5 20 8 15 0 2 6 15 5 12 3 6 21 7 15 2 6 18 1 13 9 j 4
27. Units are available with 34 closed cell 1 Tuf Skin Rx edge sealed or l in foil faced insulation d Controls 1 I e Unit shall be equipped with 24 v trans former motor contactor and terminal strip for connection to field or factory provided controller Unit shall be equipped with interlock ing door disconnect switch touch type fusing 24 v transformer motor con tactor and terminal strip for connec tion to field provided controller Unit shall be equipped with interlock ing door disconnect switch separate motor and electric heater touch type fusing 24 v transformer motor con tactor and terminal strip for connec tion to field provided factory provided controller e Motor s Single phase motors are capacitor start and shall include automatic reset thermal over load protection and shall be available in 115 208 230 or 277 volts 60 Hz Three phase motors shall be available in 208 230 or 460 volts 60 Hz f Electric Heat 1 xX Electric heaters shall be constructed of high grade resistance wire supported by ceramic insulators on plated steel brackets The heat elements shall be suspended in front of the outlet after the blower and coil High limit thermal cutouts shall protect the heat elements in the event of an air failure Single phase heaters shall be available in 115 208 230 or 277 volts 60 Hz Three phase electric heat shall be available in 208 230 or 46
28. WITH TOOLLESS CAMLOCK ACCESS 1 SUPPLY AIR COLLAR 1 01 RETURN CONN RETURN AIR SUPPLY MR COIL SUPPLY CONN RETURN AIR COLLAR COIL DRAIN CONN 4 X 4 JBOX AND MOTOR IMALE 3 4 14 NPT FRONT VIEW 2 1 16 MOUNTED SAME SIDE AS FEMALE 1 2 14 NPT SECONDARY SIDE VIEW COIL CONNECTIONS DIMENSIONS in 42BHC Fran size pep wiam Supply Duet Return buct Mounting Holes als 6 06 351 4 08 351 4 10 3613 16 12 3613 16 16 37 20 397 16 30 3976 40 425 NOTES 1 All dimensions are in inches 1 4 in Any modifications to product specifications by any person are subject to acceptance of the factory Product specifications are subject to change without notice 2 3 Right hand shown left hand opposite 4 Hanger rods which are field supplied are shown for reference only 42BHC FAN COIL WITH MOTOR CONTROL OPTION 17 7 8 DOOR OPEN J TOP VIEW FRONT VIEW UNIT Se rae oom won ILTER RACK WITH TOOLLESS ACCESS FROM SIDES AND BOTTOM HANGER ROD KNOCKOUT 25 8 TYP 4 PLCS DETAIL 1 SEE DETAIL 1 SCALE 0 250 OTOR CONTROLS AND MOTOR MOUNTED SAME SIDE AS COIL CONNECTIONS SUPPLY AIR COLLAR DRAIN CONN E 3 4 14 NPTI FEMALE 1 2 Mer SECONDARY DIMENSIONS in Return Duct LA c Jb BOTH SIDE PANELS WITH TOOLLESS CAMLOCK ACCESS 1 C01L RETURN CONN
29. pressure ESP measured in inches of water column Internal static pressure is the sum of the static resistance of the unit s components the cabinet coil and filter The ESP is the static resistance of the unit s external components including but not limited to ductwork grilles and additional filtration For non ducted applications the ESP is in wg After the TSP has been calculated see the following example use the motor horsepower table on pages 30 and 31 to determine actual horsepower hp for the belt drive unit Horsepower offerings are limited to 1 4 1 3 1 5 3 4 1 11 2 2 3 and 5 The standard selection is the nearest offering above the actual hp shown in the table Using the TSP of the table match the unit size with the cfm row to determine the correct motor for the specific application Drive sheaves and the required belt assembly will be provided to meet specific design requirements Drive sheaves are set at the factory Calculate the hp and drive selection required to deliv er 1500 cfm on a 42BHC106 unit equipped with a 4 row hydronic cooling coil and a 2 pleated filter in a ducted application at 38 in ESP including duct and grille losses Using the Component Static Resistance table on page 32 the ISP is calculated as follows Cabinet 09 in wg 4 row Wet Coil 30 in wg 2 in Pleated Filter 12 in wg ISP 51 in wg ESP 38 in wg TSP 89 in wg Performance data 42BHC BVC AIR
30. 0 volts 60 H2 2 Field Installed Accessories a Mixing Boxes 1 Mixing boxes shall be preassembled at the factory and shipped separately with base rails Carrier Corporation Syracuse New York 13221 2 Mixing boxes shall include a linkage kit which consists of two crank arms 2 swivels and a rod 25 in long for unit sizes 06 16 or 84 in long for unit sizes 20 40 for the field installation of the actuator b Thermostats Three thermostats shall be available for field installation 1 The single stage heat thermostat shall feature manual changeover off cool heat system switch on auto fan mode switch single stage electric heat and outside air signal The 2 stage heat thermostat shall fea ture automatic manual changeover digital display of temperatures and all functions off cool heat auto system mode buttons single speed fan opera tion on auto fan mode button single or two stage electric heat signal out side air signal and optional remote temperature sensor The single stage heat 2 pipe heat cool thermostat shall feature digital display of ambient temperature and operating mode single fan speed oper ation power and operating mode but tons continuous fan operation cycling water control valve 4 pipe automatic changeover manual changeover with on auto fan mode button optional one or 2 stage electric heat signal and purge cycle temperature sensor for 2 pipe co
31. 10 45 41 7 28 7 3 For information on four and six row heating coil capacities and applications 31 2 24 5 consult the factory 40 57 7 36 0 4 For all application ratings use the quick selection ratings provided in this 45 46 4 31 0 catalog or contact the factory 34 6 26 2 40 45 4 31 2 4 45 35 5 27 2 50 26 5 23 8 40 59 6 38 4 12 1200 45 47 4 33 2 50 35 5 28 5 40 66 6 42 0 45 53 3 36 1 50 39 9 30 7 40 59 7 412 4 45 46 4 35 9 50 34 4 31 4 40 78 7 50 9 16 1600 45 62 6 44 1 50 46 8 37 8 40 89 0 56 0 45 71 8 48 3 50 53 3 41 0 40 75 2 51 6 4 45 59 0 45 1 50 44 1 39 5 40 99 0 63 8 20 2000 45 78 7 55 2 50 59 0 47 4 40 111 8 70 3 45 89 9 60 6 50 67 6 51 6 40 112 5 77 6 4 45 87 6 67 6 50 65 0 59 1 40 148 5 95 8 30 3000 45 117 8 82 8 50 88 1 71 1 40 168 0 105 5 45 135 0 91 0 50 101 2 774 40 157 7 106 7 4 45 123 6 92 9 50 92 6 81 1 40 204 0 130 5 40 4000 45 162 6 112 7 50 122 3 96 7 40 230 1 143 5 45 185 6 123 8 50 140 2 105 2 LEGEND EWT Entering Water Temperature MBtuh Capacity Btuh in thousands Based on entering air temperature of 67 F wb 80 F db and temperature rise of 10 degrees F NOTE All ratings at sea level Ratings in accordance with ARI Air Conditioning amp Refrigeration Institute 24 42BHC BVC 4 ROW COOLING CAPACITY by Gpm UNIT 75 F DB 63 F WB 80 F DB 67 F WB 85 F DB 71 F WB SIZE 50 F EWT 2 aT res see ar
32. 37 0 21 9 06 3 g 5 8 45 14 0 14 0 17 3 17 3 22 3 12 9 22 4 16 2 30 2 15 8 30 2 19 0 50 10 5 10 5 14 0 14 0 14 0 9 8 15 4 13 5 22 3 12 9 22 6 16 2 40 25 1 18 6 23 7 23 7 33 0 18 0 33 0 21 7 41 8 21 1 41 5 24 8 700 45 17 8 15 5 20 0 20 0 25 1 14 7 25 3 18 5 33 6 17 8 33 8 21 6 12 1 12 1 16 1 16 1 15 9 11 3 17 6 15 6 25 1 14 6 25 5 18 5 40 22 1 16 2 20 6 20 6 29 3 15 9 29 4 19 1 37 2 18 7 37 0 21 9 45 14 0 14 0 17 3 17 3 22 3 12 9 224 16 2 30 2 15 8 30 2 19 0 10 5 10 5 14 0 14 0 14 0 9 8 15 4 13 5 22 3 12 9 22 6 16 2 40 27 7 20 7 26 6 26 6 36 5 20 0 36 3 24 1 45 8 23 3 45 5 27 4 08 3 g 5 8 800 45 19 8 17 4 22 4 22 4 27 5 16 3 27 9 20 7 37 0 19 7 37 1 24 0 13 7 13 7 18 1 18 1 17 7 12 6 19 6 17 5 27 7 16 3 28 1 20 7 40 30 0 22 7 29 1 29 1 39 5 21 8 39 3 26 4 49 4 25 3 49 0 29 8 45 21 6 19 2 24 6 24 6 30 0 17 9 30 3 22 7 40 2 21 6 40 0 26 2 15 0 15 0 19 9 19 9 19 3 13 9 214 19 4 29 8 17 8 30 4 22 7 40 33 3 23 3 29 3 29 3 42 4 22 6 42 2 26 9 51 8 25 9 51 5 30 1 800 45 25 1 19 7 25 1 25 1 34 0 19 0 33 8 23 2 43 5 224 43 1 26 5 16 6 16 6 20 9 20 9 24 5 15 2 25 1 19 7 34 0 18 7 34 3 23 1 40 39 1 28 0 35 7 35 7 49 4 26 7 49 0 31 8 59 9 30 3 59 6 35 5 10 1 2 78 1000 45 29 8 23 9 30 7 30 7 39 6 22 5 39 6 27 9 50 3 26 3 49 9 31 5 50 20 3 20 3 25 5 25 5 28 7 18 2 29 7 24 0 39 5 22 2 39 9 27 7 40 41 6 30 1 38 7 38 7 52 3 28 4 52 0 34 2 63 3 32 2 62 6 37 8 1100 45 31 9 25 9 33 2 33 2 42 0 24 1 42 1 30 0 53 1 28 1 52 9 33 8 22 0 22 0 27 6 27 6 30 4 19 6 31 7 25 9 41 9 23
33. 58 5 73 3 42 5 73 5 53 1 93 7 49 8 93 4 60 2 50 38 4 38 4 48 5 48 5 52 2 34 4 54 8 45 8 72 9 42 0 73 9 52 9 40 77 0 57 0 73 2 73 2 97 1 53 4 96 4 64 5 117 9 60 6 116 8 71 6 2200 45 58 5 49 1 62 7 62 7 774 45 3 77 7 56 9 98 5 52 8 98 1 64 1 50 41 2 41 2 52 0 52 0 55 2 36 8 58 1 49 3 77 2 45 0 77 9 56 7 100 8 72 3 92 2 922 128 7 69 5 127 6 82 8 157 6 79 5 156 4 92 9 2600 75 9 61 5 78 9 78 9 102 3 58 3 1022 721 131 6 68 8 131 1 82 5 51 6 51 6 65 3 65 3 72 7 46 7 75 5 61 6 102 8 57 8 103 2 71 8 106 1 76 7 98 0 98 0 135 0 73 2 134 1 87 6 165 0 83 6 164 4 98 2 2800 80 1 65 5 83 9 83 9 107 4 61 6 107 4 76 4 137 7 72 4 137 3 87 1 30 11s 54 9 54 9 69 5 69 5 76 4 49 5 79 7 65 6 107 2 60 9 108 3 76 1 111 0 80 8 103 6 103 6 140 9 76 7 140 2 922 171 8 87 4 170 2 102 6 3000 84 0 69 2 88 7 88 7 112 1 64 7 112 3 80 6 143 4 75 9 143 0 91 5 58 1 58 1 73 5 73 5 79 7 52 2 83 5 69 4 1122 64 1 113 0 80 2 115 6 84 7 108 8 108 8 146 3 80 0 145 8 96 6 178 0 90 9 177 2 107 4 3200 87 6 72 8 93 1 93 1 116 5 67 6 116 8 84 5 148 6 79 1 148 1 95 7 61 1 61 1 77 2 77 2 82 9 54 7 87 1 73 0 115 8 66 9 117 4 84 2 137 6 99 2 128 3 128 3 168 6 92 0 168 3 111 0 200 7 102 8 200 3 121 7 3600 107 9 86 4 110 9 110 9 137 6 79 1 138 7 98 6 170 2 90 5 170 6 109 8 50 78 5 74 4 93 2 93 2 103 5 65 7 107 5 86 3 137 1 78 1 139 1 97 9 141 9 103 1 133 7 1337 173 1 95
34. 7 4 25 5 4 4 6 0 3 4 4 9 0 4 3 3 39 9 8 1 0 5 36 5 12 6 4 8 5 33 1 5 1 6 9 27 8 4 0 5 7 ES 3 9 7 8 53 3 0 8 4 1 48 8 16 8 6 1 4 44 0 6 8 9 3 36 7 5 3 7 6 7 5 7 3 8 2 20 1 0 7 8 9 2 7 2 2 6 3 0 6 30 6 4 13 1 10 4 180 6 123 9 6 171 7 119 8 40 1 161 9 115 4 151 2 110 5 139 5 105 4 LEGEND DB Dry Bulb Temperature TC Base Total Capacity at Nominal EWT Entering Water Temperature WB Wet Bulb Temperature MBtuh Btuh in Thousands AT Change in Water Temperature F SC Base Sensible Capacity at Nominal NOTE All capacities are given in thousands of MBtuh 27 Performance data cont DIRECT EXPANSION DX BASE COOLING CAPACITIES MBtuh 4 ROW COIL UNIT CONNECTION R 22 ENTERING AIR TEMPERATURE F DRY BULB WET BULB SIZE SIZE in CFM SUCTION 75 63 80 63 80 67 80 71 85 71 42BHC BVC Liquid Suction TEMP F TH SH TH sH SH TH SH TH sH TH SH 40 8 6 7 8 9 9 9 9 13 5 7 8 13 5 9 8 18 7 9 8 18 8 11 7 400 45 5 4 5 4 7 8 7 8 7 2 5 5 8 4 7 9 13 5 7 8 13 6 9 8 50 2 3 2 3 5 4 5 4 2 3 2 3 5 4 5 4 6 6 5 5 7 8 7 8 40 13 3 12 0 15 4 15 4 19 5 11 5 19 5 14 5 26 9 142 26 6 17 1 06 9 8 5 8 45 9 0 9 0 12 3 12 3 11 5 8 5 13 2 12 1 19 4 11 4 19 7 14 5 50 5 0 5 0 8 9 8 9 5 0 5 0 8 9 8 9 11 0 8 6 13 0 12 2 40 15 3 13 8 17 7 17 7 21 9 13 1 22 0 16 5 30 1 16 1 29 8 19 4 700 45 10 4 10 4 14 2 14 2 13 3 9 9 15 1 13 9
35. 7 F EAT and 45 F EWT b Locate the appropriate row for unit size 16 and 7 gpm Record the tabulated base performance TCb 42 0 MBtuh SCb 34 2 MBtuh AT 12 0F c Divide CFM Actual by CFM Nominal to determine Cfm Ratio Ratio 1500 1600 2 9375 Select correction factors Select the Cfm correction factors Ct and Cs from the Airflow Correction Factors table Interpolation may be required Ct 9625 Cs 96 Select the elevation correction factors Et and Es from the Elevation Correction Factors table No correction necessary in this example unit is at sea level Et 1 00 Es 1 00 III Calculate actual performance TC TCb x Ct x Et 42 0 x 9625 x 1 00 40 42 MBtuh 22 SC SCb x Cs x Es 34 2x 96 x 1 00 32 83 MBtuh a Calculate water pressure drop or refer to the Water Pressure Drop for Cv Factor and Water Flow Rate table on page 33 From the Cv Factor by Coil and Unit Size table on page 32 find the Cv value for unit size 16 with four rows 7 2 P GPM 0 658 x 2 7 0 0 658 x 7 2 2 2 18 feet of H20 b For selections other than those listed here please contact the factory IV Determine motor To determine motor and drive selection requirements and obtain the cfm for a specific application the total static pressure TSP for that application must be determined The TSP is the sum of the internal static pressure ISP and the external static
36. 72 8 110 8 66 3 111 1 84 0 40 113 6 87 3 112 1 112 1 145 9 81 6 144 1 99 3 178 8 93 0 178 3 111 3 3800 45 85 1 75 4 95 5 95 5 114 6 69 0 114 5 87 4 148 0 81 1 146 2 98 8 40 50 61 3 61 3 78 5 78 5 79 2 55 8 84 4 76 0 114 2 68 8 114 7 87 4 40 117 1 90 5 116 2 116 2 150 0 84 3 148 7 103 0 183 5 95 9 183 0 115 0 4000 45 87 9 78 4 99 0 99 0 117 8 71 4 117 8 90 6 151 9 88 7 150 5 102 4 50 63 7 63 7 81 5 81 5 81 7 57 9 87 1 79 1 117 3 71 2 118 0 90 7 40 120 4 93 6 120 1 120 1 153 8 86 8 153 0 106 5 187 9 98 6 187 4 118 5 45 90 5 81 3 102 4 102 4 120 9 73 6 121 0 93 7 155 6 86 2 154 5 105 9 50 66 0 66 0 84 3 84 3 83 9 59 9 89 8 82 0 120 2 73 5 121 1 93 8 LEGEND Capacity based on R 22 refrigerant at 105 F liquid temperature and 10 F MBtuh Capacity Btuh in thousands superheat SH Sensible Heat TH Total Heat 28 DIRECT EXPANSION DX BASE COOLING CAPACITIES MBtuh 6 ROW COIL UNIT CONNECTION R 22 ENTERING AIR TEMPERATURE F DRY BULB WET BULB SIZE in CFM SUCTION S CI mE E 80 67 80 71 85 71 BVC Liquid Suction TEMP F TH SH TH TH SH TH SH TH SH 40 4 1 5 6 13 6 20 8 1 20 8 13 2 26 4 13 2 26 3 15 3 400 45 9 1 9 1 114 114 15 6 8 9 15 6 11 0 21 3 11 0 21 3 13 1 50 6 7 6 7 9 1 9 1 9 3 6 5 10 2 8 9 15 7 8 9 15 7 11 0 40 22 1 16 2 20 6 20 6 29 3 15 9 29 4 19 1 37 2 18 7
37. CH DESCRIPTION Ew F 3 PSI MANUAL AIR VENT Threaded brass needle valve N A 400 with screwdriver slot for adjustment Application Body brazed into high point of heat ing and cooling coils for bleeding air from coil Stan dard item on all hydronic coils not used on steam or DX coils Should not be used in lieu of main sys tem air vents AUTOMATIC AIR VENT Nickel plated brass valve fiber disc type with positive shut off ballcheck and quick vent feature via knurled vent screw Application Optional replacement for manual air vent Automatically passes minute quantities of air through the fiber discs which expand upon contact N A with water completely sealing the valve As air accumulates the fiber discs dry and shrink repeat ing the cycle Not recommended for removing large quantities of air encountered during initial start up or subsequent draining and refilling Should not be used in lieu of main system air vents SWAGE Copper tube end expanded to accept a copper tube of the same size for factory or field brazing Application Used where possible for all tubing joints for best joint integrity CIRCUIT SETTER Variable water flow balancing valve with manual adjustment knob pointer per cent open scale memory stop and integral pres sure read out ports Application Used for close tolerance water flow balancing Positive shut off ball valve feature allows usage as combination balancing an
38. Conn N 6 1 Same End Conn Q 6 2 Same End Conn 8 2 Pipe 4 With Electric Heat 6 With Electric Heat 8 With Electric Heat C Design R 1 2 Size Nominal Cfm 3 06 600 08 800 10 1000 12 1200 16 1600 20 2000 30 3000 40 4000 NOTE Refer to current 42 Series Master Prices for complete model definition including motor cfm and total static pressure Physical data UNIT SIZE 42BHC BVC 10 12 16 2 30 40 NOMINAL CFM 1000 1200 1600 2000 3000 4000 42BHC SHIPPING WT Ib heat with heat 203 234 205 236 253 287 256 290 312 346 344 380 437 474 553 590 Te C SHIPPING WT Ib 200 231 202 233 248077 2471281 289 323 391887 430 79 522 559 no heat with heat FILTERS 2 pleated Number Size in Me 24 1 5 24 1 i 33 1 rie x 33 2 6 211 2 2 x22 2 29 22 2 29 x 29 Face Area sq ft 8 9 11 7 COILS Size in 15x20 15x20 15x29 15x29 15x39 18 x 40 27 x 40 27 x 54 Face Area sq ft 2 1 2 1 3 0 3 0 4 1 4 9 7 7 10 3 Fins per inch 10 Coil Water Weight approx Ib per row of coil 0 240 0 240 0 324 0 324 0 420 0 492 0 768 1 020 FANS Number Size in 1 9x4 1 9x 6 10x4 10 7 11x10 12x9 12x 12 1 15 x 12 COPPER COIL CONN 8 ROW 11 2 OD in Cooling COPPER COIL CONN 4 AND 6 ROW n Cooling COPPER COIL CONN 1 AND 2 ROW 1 2 OD i
39. FLOW CORRECTION FACTORS DIRECT EXPANSION DX CORRECTION FACTORS CFM RATIO OF CORRECTION FACTOR Actual Base TOTAL Ct SENSIBLE Cs NOMINAL CFM Sensible 1 40 126 80 0 93 1 35 123 90 0 96 1 30 120 100 100 1 25 1 17 110 1 04 1 20 1 14 120 1 08 1 15 1 11 Consult factory for values outside of table 1 10 1 08 DX Total Capacity MBtuh Base Et x Total Correction Factor 1 05 1 04 DX Sensible Capacity MBtuh Base Es x Sensible Correction Factor 96 of Nominal Actual from Fan Performance table 1 00 1 00 Nominal 0 95 0 97 0 90 0 93 0 85 00 0 89 0 80 0 85 0 75 0 81 0 70 0 77 0 65 0 72 0 60 0 67 0 55 06 0 62 ALTITUDE COOLING CORRECTION FACTORS 0 50 0 57 ELEVATION ft TOTAL HEAT Et SENSIBLE HEAT Es 0 45 0 52 1000 0 99 0 96 0 40 0 47 2000 0 98 0 93 0 35 0 42 300 a x 0 30 038 ah e He 0 25 0 33 6000 0 93 0 80 NOTE Use Sensible Heat correction factors when calculating heating 7000 0 92 0 77 capacity 8000 0 91 0 75 9000 0 90 0 73 42BHC BVC HOT WATER CAPACITY CORRECTION FACTORS ENTERING AIR ENTERING WATER TEMPERATURE F TEMPERATURE F 100 110 120 130 140 150 160 170 180 190 200 50 0 455 0 545 0 636 0 727 0 818 0 909 1 000 1 091 1 182 1 273 1 364 55 0 409 0 500 0 591 0 682 0 773 0 864 0 955 1 045 1 136 1 227 1 318 60 0 363 0 455 0 545 0 636 0 727 0 818 0 909 1 000 1 091 1 182 1 273 65 0 318 0 409 0 500 0 591 0 682 0 773 0 864 0 955 1 045 1 136 1 227 70 0 272 0 363 0 455 0 545
40. N RETURN AIR lt 17 RETURN AIR COLLAR COIL DRAIN CONN IMALE 3 4 14 MALE 1 2 14 NPT SECONDARY SIDE VIEW ILTER RACK WITH TOOLLESS ACCESS FROM SIDES AND TOP E 17 15 16 DOOR OPEN REAR VIEW DIMENSIONS in UNIT 42BVC NOTES All dimensions are in inches 1 4 in a c Return Duct F 167 16 167 16 183 16 183 16 183 16 2011 16 2815 16 2815 16 Any modifications to product specifications by any person are subject to acceptance of the factory Product specifications are subject to 1 2 change without notice 3 Right hand shown left hand opposite 4 Hanger rods which are field supplied are shown for reference only 10 42BVC FAN COIL WITH ELECTRIC HEAT OPTION 13 13 16 SUPPLY AIR ELECTRIC HEAT AND MOTOR MOUNTED SAME SIDE AS COIL CONNECT IONS 17 SUPPLY AIR COLLAR SIDES AND FRONT PANEL WITH CAMLOCK ACCESS 4 3 8 ADD 2 INCHES FOR MERVII FILTER COIL RETURN CONN RETURN AIR COIL SUPPLY CONN oo 17 RETURN AIR COLLAR COIL DRAIN CONN IMALE 3 4 14 NPT ILTER RACK WITH TOOLLESS ACCESS WIDTH IMALE 1 2 14 NPT SECONDARY FROM SIDES AND TOP REAR VIEW SIDE VIEW DIMENSIONS in Supply Duct Return Duct A C E F 9x 4 167 16 167 16 183 16 183 6 183 16 2011 6 2815 6 2815 16 NOTES 1 All dimensions in inches 1 4 in 2 Any modifications to product specifications by any person are subje
41. Product AIRSTREAM 42BHC BVC Data System Fan Coils 600 to 4000 Cfm Carrier s versatile belted fan coil units satisfy design requirements A selection of 8 sizes covers capacities from 600 to 4000 cfm Choice of motors from 1 4 to 5 hp eliminates oversizing Wide range of coil options for 2 pipe or 4 pipe systems Optional DX coils with expansion valve and distributor Single and three phase electric heat 1 0 to 40 kW Features Benefits The 42BHC BVC belt drive fan coil units provide year round comfort air conditioning with central station operating economy A variety of coil options reduces first cost Four 6 or 8 row cooling coils combine needed capacities with the most effi cient heat transfer surface For 4 pipe systems select either of two split coil options Coils consist of alu minum fins securely bonded to 1 2 OD seamless copper tubes Each fin s aluminum collar ensures accurate con trol of the fin spacing while complete ly covering the tubes to lengthen coil life All coils also feature manual air vents with automatic air vent available as an option 42BVC UNIT Copyright 2005 Carrier Corporation Form 42B 1PD Fan wheels are desianed to provide low operating costs The forward curved centrifugal double inlet fans are statically and dynamically balanced at the factory to minimize transmission of vibration to the building st
42. Safety Code and NEC Unit shall be constructed in accordance with ETL and ETL Canada standards Factory installed motors and electric heaters shall be UL approved Each coil shall be factory tested for leakage at 350 psig air pressure with coil submerged in water Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation Each coil shall be factory tested for leakage at 350 psig air pressure with coil submerged in water Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke genera tion Factory installed motors shall be UL approved DELIVERY STORAGE AND HANDLING Unit shall be handled and stored in accordance with the manufacturer s instructions Part 2 Products 2 01 A EQUIPMENT General Factory assembled horizontal and vertical draw thru type fan coil unit for ducted installation above the ceiling or floor mounting Unit shall be complete with water coils fan s motor belt drive drain pan and filter Casing Construction shall be heavy gage galvanized steel lined with one in thick fiberglass Tuf Skin II thermal acoustical insulation Knockouts shall be provided for hanging the horizontal unit that will accept 3 g in threaded rod at the top and bottom of all unit corners Supply and return duct connec tion shall be 1 in long Removable side panels shall be provided for access to the fan motor assembly A double
43. WIRING AWG Black BLOWER 5 THERMALLY PROTECTED n ENSURE PROPER FAN INTERLOCK amp SEQUENCING EXTERNAL CONTROLLER AWG Red or Whitex MUST ENERGIZE HEATER STAGES IN NUMERICAL ORDER SHOWN 18 AWG Green AND DEENERGIZE STAGES IN REVERSE ORDER FIRST ON LAST OFF XRed 208 240 White for 12 ALL CONTRACTOR WIRING MUST CONFORM ELECTRICAL CODES NATIONAL AND LOCAL 34 BASE UNIT THREE PHASE POWER TERMINATE MOTOR LEADS INSIDE J BUX FOR FIELD CONNECTION MOTOR GROUND MOTOR DIAGRAM IS REPRESENTATIVE ONLY SEE MOTOR PLATE FOR ACTUAL 4X4 J B NOTES CAUTION DISCONNECT POWER BEFORE SERVICING SEE NAME PLATE FOR CORRECT VOLTAGE USE 75 C MIN COPPER CONDUCTORS ONLY VITRECEBNNECTTEN UNIT TERMINALS ARE NDT DESIGNED TD ACCEPT ANY DTHER WIRING WIRE TAPED BLOWER MOTORCS THERMALLY PROTECTED FACTORY WIRING PROVIDE DISCONNECT MEANS amp OVERCURRENT PROTECTION AS REQUIRED FIELD WIRING ALL CONTRACTOR WIRING MUST CONFORM TO ELECTRICAL CODES NATIONAL AND LOCAL MOTOR CONTROL DISCONNECT OPTION THREE PHASE POWER 4 TRANSFORMER s of Fan DISCONNECT MOTOR CONTACTOR SHHE SHHE Ti
44. an operation cycling water control valve 4 pipe ACO MCO automatic changeover manual changeover with on auto fan mode button one or 2 stage electric heat signal available purge cycle and temperature sensor for 2 pipe cold water hot water systems programmable operating range dead band digital dis play temperature set back THERMOSTAT FUNCTIONS THERMOSTATS SYSTEM FUNCTION Honeywell Honeywell Sunne T834C T8500 T170 2Pipe HW HeatOnly X x 2 CW CoolOnly om X X X cwHw 2 Pipe Heat Cool with 0 pus W Cooling with X Total aco x X X X arpe aco x LEGEND ACO Automatic Changeover Aux Auxiliary Chilled Water HW Hot Water MCO Manual Changeover Valve packages Valve packages are factory assembled for field installation Motorized valves 24 v can be operat ed with power on with spring return or power off power on It is recommended that basic motor controls are ordered when valve packages are ordered Base unit dimensions 42BHC FAN COIL BASE UNIT NO CONTROLS ILTER RACK WITH TOOLLESS ACCESS FROM SIDES AND BOTTOM HANGER ROD KNOCKOUT 25 8 TYP 4 PLCS DETAIL 1 SCALE 0 250 TOP VIEW BOTH SIDE PANELS
45. at options and control option Interlocking disconnect switch Heater power fusing 24 v class 2 transformer 40 38 8 pole control terminal strip Auto reset temperature limit switch Manual reset backup temperature limit switch 80 20 heater element wire Motor power fusing Motor control contactor Agency listed for 0 clearance Electric heat options Single phase 1 or 2 stage heat Three phase 1 2 or 3 stage heat Complies with NEC s requirement Article 430 for dis connect branch circuit protection motor controller and motor overload protection TNo control fusing necessary Complies with NEC s requirement for a motor starter with internal heating elements when used with the factory s standard motors with integral thermal overload protection Guide specifications System Fan Coil Unit HVAC Guide Specifications 42B Size Range 600 to 4000 Nominal Cfm Carrier Model Number 42BHC Horizontal Fan Coil Unit 42BVC Vertical Fan Coil Unit Part 1 General 1 01 1 02 1 03 SYSTEM DESCRIPTION Horizontal and vertical 2 pipe or 4 belt driven galvanized casing model fan coil unit for ducted installation above the ceiling or within floor mounted cabinet with full access to internal components QUALITY ASSURANCE Unit performance shall be rated in accordance with ARI Standard 440 2005 Unit construction shall comply with ASHRAE latest edition
46. ct to acceptance of the factory Product specifications are subject to change without notice 3 Right hand shown left hand opposite 4 Hanger rods which are field supplied are shown for reference only 11 Base unit dimensions cont 42BHC UNIT CORNER WEIGHTS RIGHT HAND UNIT LEFT HAND UNIT TOTAL r 2 gt 4 91545 55 sol ST 47 50 se so 67 se sol 67 59 Nomea 5 ss 4z 82 55 Si 52 47 50 59 59 68 so sol 59 71 55 63 71 63 55 Heat 62 76 76 62 68 64 72 56 64 72 64 64 55 WiHeat 63 76 68 se 76 63 821 68 80 69 76 87 76 WihHea 79 os 79 95 82 oo o 74 se 90 82 74 with Heat 90 102 88 100 102 90 100 88 Nonea 127 92 127 100 92 Heat 71181 1311 131 118 119 NoHeat 155 162 114 122 162 156 i22 114 Wit Heat 155 166 129 140 166 155 140 129 NOTE Unit weights shown in pounds 10 are based on the 8 row coil and 1 Hp motor 12 42BVC UNIT CORNER WEIGHTS Ib RIGHT HAND UNIT LEFT HAND UNIT CONFIGURATION RIGHT HAND UNITS LEFT HAND UNITS TOTAL NoHeat 52 54 51 43 54 52 43 51
47. d shut off valve LEGEND Cv Coefficient of Velocity DX Direct Expansion Check all system component pressure ratings coils values pumps etc with manufacturer and any applicable local or national piping codes prior to specifying system pressure rating 19 Application data cont PIPING COMPONENTS cont RATING SYMBOL SKETCH DESCRIPTION F BALANCE VALVE Variable water flow manual bal ancing valve with screwdriver slot adjustment screw EN Application Often used in conjunction with test port fittings for water flow balancing Balance by 200 temperature differential or coil pressure drop check specifications for service fittings required if balancing by pressure drop May be used in 3 way valve bypass line to permit equal flow balancing STRAINER Y type body with 50 mesh stainless 7 steel screen Application Used for removal of small particles from system water during normal system operation Should not be used in lieu of main system strain 9 0 19 0 400 250 ers Strainer screen may have to be removed dur Clean Clean ing initial high pressure system flushing during start up Screen should be removed and cleaned per normal maintenance schedule provisions for strainer blow down not provided BALL VALVE Manual balance and shut off valve Application Used for unit isolation and water flow balancing Without memory stop feature water bal 4 0 75 400 200 ance point must be marked by insta
48. hrough the valve package not neces sarily 100 through the coil LEGEND Cv Coefficient of Velocity DX Direct Expansion NOTES 1 Motorized spring return 2 way valves have a maximum close off differential of 25 psi 2 Motorized spring return 3 way valves have a maximum close off differential of 25 psi SPRING RETURN POWER ON OFF SPRING RETURN POWER ON OFF RATING 200 200 21 Selection procedure This selection procedure provides a guide to determine unit performance of the 42BHC BVC units Capacity tables in Performance Data are based on nominal cfm Correction factors are provided for other operating condi tions as explained in the following selection example For applications outside the range provided in this catalog please consult the factory FORMULAS TC TCb x Ct x Et SC 2 SCb x Cs x Es Where Cs Sensible Airflow Correction Factor Ct Total Airflow Correction Factor Es Sensible Elevation Correction Factor Et Total Elevation Correction Factor SC Sensible Capacity SCb Base Sensible Capacity from Base Cooling Capaci ties by gpm charts TC Total Capacity TCb Base Total Capacity from Base Cooling Capacities by gpm charts EXAMPLE I Rate unit performance To rate the performance at sea level for a 42BHC16 unit with a four row coil at 80 F 67 F EAT 45 F EWT 7 gpm water flow and 1500 cfm a Enter the Base Cooling Capacities by Gpm 4 Row Capacity Units table at 80 F 6
49. ld water hot water systems and programmable operating range dead band digital display tempera ture set back c Valve Packages 1 Valve packages shall be factory 2 assembled for field installation Basic valve packages shall include 2 way or 3 way valves with balancing valves and 2 ball valves Deluxe valve packages shall include a circuit setting and a strainer in addition to the features included in the basic valve package 2 Carrier A United Technologies Company Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 3 Tab Es New Book 4 Pg 40 Tab irs Catalog No 524 236 Printed in U S A Form 42B 1PD Replaces 42BHC 1PD
50. ller if neces sary Check specifications for service fittings required when used for water balancing LEGEND Cv Coefficient of Velocity DX Direct Expansion Check all system component pressure ratings coils values pumps etc with manufacturer and any applicable local or national piping codes prior to specifying system pressure rating 20 PIPING COMPONENTS cont SYMBOL SKETCH DESCRIPTION 2 WAY MOTORIZED VALVE Electric 2 position flow control valve open closed Normally closed body with manual override lever Installed in supply line to unit Application All standard control and valve packages are based upon normally closed valves valve electrically powered open and closed by spring return when electric power removed Manual override lever allows valve to be placed in the open position for second ary unit flushing constant water flow prior to start up etc Manual override is automatically disengaged when valve is electrically acti vated Consult factory for normally open valve applications 3 WAY MOTORIZED VALVE Electric 2 position flow control valve closed to coil open to bypass or open to coil closed to bypass Normally closed with manual over ride lever Installed in supply line to unit Application Same comments as 2 way motorized valve except with manual override lever engaged the valve is open to both ports and water flow will take the path of least resis tance t
51. n Heating 2 DRAIN CONN SIZES in 3 4 MPT Options and accessories 42BHC BVC OPTIONS AND ACCESSORIES ITEM ACCESSORY Automatic Air Vents Controls Electric Heat Filters Heating Cooling Coils Insulation Mixing Boxes X Motors Thermostats X Valve Packages X Factory installed option TField installed accessory The 42BHC and 42BVC fan coil units are designed to offer maximum flexibility in an application accessibility for service quiet operation and durability Factory installed options Automatic air vents Automatic air vents have fiber washers which allow air in the pipes to pass through automatically bleeding the system The fiber washers elimi nate the need to manually remove air from the system When wet washers swell and seal the system Coils Coils are available in a choice of two pipe system with 4 row cooling heating or four pipe system with 4 6 or 8 row cooling and 1 or 2 row heating Reheat operation is standard Preheat is available as an option Controls Interlocking disconnect switch Heater power fusing 24 v Class 2 transformer 40 va 8 pole control terminal strip Auto reset temperature limit switch Airflow safety switch Motor power fusing Motor control contactor 24 v condensate overflow switch Electric heat Total electric heat eliminates the require ment for a boiler Heating and or cooling may be available on an individual basis throughout the year Resista
52. nce electric heat is available from 1 0 kW to 40 0 kW refer to electric heater data table for availability per unit with single stage or multiple stage single power source Voltages 115 v 208 v 230 v and 277 v single phase 60 Hz e 208 v 230 v and 480 v three phase 60 Hz Electric heat is available with the following staging options 3 phase staging is balanced 1 to 12 kW 1 stage only single phase 3 to 12 kW 1 or 2 stage only single phase 1 to 40 kW 1 stage only phase 4 to 40 kW 1 or 2 stage only 3 phase 12 to 40 kW 1 2 or 3 stage 3 phase Heater coils are constructed of high grade resistance wire that is supported by ceramic insulators on plated steel brackets These heat elements are suspended directly in front of the outlet after the blower and the coil High limit thermal cutouts protect the heater in the event of air failure Filters Two in pleated filters are standard One in pleated two 1 in throwaway or 2 MERV minimum efficiency reporting value 11 filters with 2 pleated pre filter are available The 2 in MERV 11 filters with 2 in pleated pre filter include a filter rack Insulation Tuf Skin II l in thick insulation is standard Units are available with in closed cell l in Tuf Skin Rx edge sealed or 1 in foil faced insulation Motors A wide selection of standard motors provides efficient operation in ducted applications with excellent perfo
53. oduct specifications are subject to change without notice 2 3 Right hand shown left hand opposite 4 Hanger rods which are field supplied are shown for reference only 42BVC FAN COIL BASE UNIT NO CONTROLS 7 7 16 SUPPLY AIR 17 SUPPLY AIR COLLAR BOTH SIDES AND FRONT PANEL WITH CAMLOCK ACCESS 4 X 4 JBOX AND MOTOR MOUNTED SAME SIDE AS COIL CONNECT IONS 4 3 8 ADD 2 INCHES FOR MERVII FILTER COIL RETURN CONN RETURN AIR COIL SUPPLY CONN lt 17 RETURN AIR COLLAR COIL DRAIN CONN IMALE 3 4 14 ILTER RACK WITH TOOLLESS ACCESS MALE 1 2 14 SECONDARY FROM SIDES AND TOP SIDE VIEW REAR VIEW DIMENSIONS in Supply Duct Return Duct X c E F 167 16 167 16 18 16 189 16 189 16 2011 6 2815 1 2815 1 NOTES 1 All dimensions in inches 1 4 in 2 Any modifications to product specifications by any person are subject to acceptance of the factory Product specifications are subject to change without notice 3 Right hand shown left hand opposite 4 Hanger rods which are field supplied are shown for reference only Base unit dimensions cont 42BVC FAN COIL WITH MOTOR CONTROL OPTION SUPPLY AIR MOTOR CONTROLS AND MOTOR MOUNTED SAME SIDE AS TOP VIEW COIL CONNECTIONS 17 SUPPLY AIR COLLAR BOTH SIDES AND FRONT PANEL WITH CAMLOCK ACCESS 4 3 8 ADD 2 INCHES FOR MERVII FILTER COIL RETURN CONN COIL SUPPLY CON
54. pen drip proof single speed 60 Hz 1750 rpm 1 or 3 phase suitable for contin uous duty at 104 F 40 C Single phase motors are capacitor start include automatic reset thermal overload protection and are available in 115 208 230 or 277 volts 60 Hz Three phase motors are available in 208 230 or 460 volts 60 Hz Motors are resilient base mounted except 3 and 5 hp motors which are rigid base mounted G Options and Accessories 1 Factory Installed Options a Coils 1 Unit coil s shall be equipped with auto matic air vent s 2 Unit shall be equipped with a high capacity 6 row or 8 row coil for installa tion in a 2 pipe system For installation in a 4 pipe system unit shall be equipped with either a 4 row cooling 1 row hot water heating split circuit coil or a 4 2 6 1 or 6 2 split circuit coil as required Unit shall be equipped with either a 4 row DX direct expansion cooling coil or a 6 row DX cooling coil as required 5 Unit coil s shall be copper fin copper tube with stainless steel tube and sheets b Filters 1 A two in pleated filter shall be installed in the unit standard e 39 Guide specifications cont 2 pleated 2 1 in throwaway or 2 in pleated MERV 11 filters with 2 in pre filter shall be installed as indicated on the equipment schedule c Insulation 1 2 Units shall be equipped with 1 in thick Tuf Skin II insulation standard
55. r selections when outlet air temperature exceeds 104 F on hot water coil applications 4 Single phase motors are only available to 2 hp Three phase motors are available from 1 2 to hp 31 Performance data cont 42BHC BVC COMPONENT STATIC RESISTANCE in wg WETCOIL WETCOIL DRY COIL TWO INCH TWO INCH TWO INCH doc Bue NOMINAL CABINET PLEATED THROWAWAY PLEATED FLEATED 59 FILTER FILTER FILTER 06 08 10 12 16 20 30 40 Hydronic pressure drop of the factory s hy dronic coils have a coefficient of velocity Cv resistance factor assigned to assist in a more accurate determination of water pressure drop see Cv Factor by Coil and Unit Size table below Calculating pressure drop The Cv factor is equal to the flow rate of water in gpm through a piping component when the pressure drop through the component is 1 0 pounds per square inch psi or 2 31 ft wa AP ft AP psi x 2 31 Use the Cv factor from the Cv Factor by Coil and Unit Size table to determine the water coil pressure drop 32 0 06 0 09 0 12 0 17 0 22 0 12 0 17 0 22 0 28 0 34 0 12 0 15 0 18 0 22 0 26 0 18 0 22 0 26 0 31 0 36 0 21 0 24 0 27 0 31 0 35 0 21 0 24 0 26 0 29 0 32 0 35 0 38 0 21 0 24 0 28 0 32 0 37 0 42 0 24 0 27 0 30 0 33 0 37 0 40 Coil pressure drop ft wg GPM2 Cv2 x 2 31
56. rmance with up to 2 inches of total static pressure Available motor options e 115 v 208 v 230 v and 277 v single phase 60 Hz e 208 v 230 v and 460 v three phase 60 Hz Open drip proof motors External junction box Field installed accessories Mixing boxes Mixing boxes can be used when outside air is required for ventilation Preassembled at the factory and shipped separately with base rails for field installation mixing boxes include a linkage kit consisting of two crank arms 2 swivels and either a 25 in long for sizes 06 16 or a 84 in long for sizes 20 40 rod for field installation of an actuator Thermostats Three thermostats are available for field installation Honeywell T834C manual changeover single stage heat thermostat features off cool heat system switch on auto fan mode switch single stage electric heat outside air signal Honeywell T8500 digital automatic manual changeover 2 stage heat thermostat features digital display of temperatures and all functions off cool heat auto system mode buttons single speed fan operation on auto fan mode button single or two stage electric heat signal outside air signal remote temperature sensor available Sunne T170 single stage heat 2 pipe heat cool auto changeover thermostat features digital display of ambient temperature and operating mode single fan speed operation power and operating mode buttons continuous f
57. ructure The belt driven motor single or three phase has a variable pitch pulley which adjusts at the jobsite to accom modate limited ranges of air quantities and pressures All motors single and three phase are UL listed factory wired single speed with thermal overload protec tion and are continuous duty rated Motors are supplied with permanently lubricated bearings class B insulation and are open drip proof The motor mount has an adjustable platform for easy belt adjustment The motor and its mounting are independently isolated from the cabinet and the blower An adjustable pitch pulley allows cfm bal ancing to meet system requirements Motor drive packages are provided with keyed pulleys Complete factory assembly minimizes on the jobsite costs and problems Compact lightweight units are designed for easy mounting Knockouts designed to accept 3 threaded rods are provided on the top and bottom of each corner of the unit One in duct collars on discharge and on return are fur nished standard These integral duct collars cut installation time and labor expense Durable construction means easy to maintain units The 42BHC BVC fan coils casings are fabricated from heavy gage galvanized 590 steel reinforced for maximum rigidity and structural strength Remov able side panels with tool less camlock fasteners allow easy access for servic ing interior components Table of contents
58. sloped drain pan shall be constructed of stainless steel extending under the full length and width of the coil s with a 3 4 in male nominal pipe thread stainless steel drain connection and 2 in male MPT stainless secondary drain connection capped when not required The outside surface of the drain pan shall be insulated with 1 g in closed cell insulation Fans Belt driven double width fan wheels shall have forward curved blades and be statically and dynami cally balanced Fan drive shall consist of variable pitch motor pulley fixed pitch fan pulley and V belt Fans and scrolls shall be of galvanized steel Coils Standard unit shall be equipped with a 4 row coil for installation in a 2 pipe system and additional rows of coil shall be provided for installation in a 4 pipe sys tem as described in the Options and Accessories section Coils shall have 1 2 in copper tubes alumi num fins bonded to the tubes by mechanical expan sion and have a working pressure of 250 psig at 200 F Each coil shall have a manual air vent and sweat connections for copper tubes Operating Characteristics A single circuit coil unit installed in a 2 pipe system shall be capable of providing heating or cooling as determined by the operating mode of the central water supply system A double circuit coil unit installed in a 4 pipe system shall be capable of pro viding sequenced heating and cooling Motor s Fan motors shall be o
Download Pdf Manuals
Related Search