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Airstream™ Belt Drive Fan Coils
42B

600 to 4,000 Cfm

42BH - Horizontal

42BV - Vertical

The 42B belt drive fan coil units provide year-round comfort air conditioning with central station operating economy. The 42B units are designed for high-static, ducted applications, using furred-in, horizontal and vertical models



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Performance Features
  • Airflow capacities from 600 to 4000 Cfm
  • Outside air capability with mixing box
  • Wide range of coil options for 2-pipe or 4-pipe system combinations
  • Motors available from ¼ hp to 5 hp
  • Forward-curved, centrifugal, double-inlet fans are statically and dynamically balanced at the factory
  • 2 in. pleated filter for indoor air quality
Reliability Features
  • All equipment wiring complies with NEC requirements
  • Units constructed in accordance with ETL and ETL, Canada standards
  • Factory-installed motors and electric heaters are UL approved
  • Unit casing meets UL 181 and NFPA 90A standards
  • Units independently tested and certified in accordance with IBC and OSHPD for seismic applications
Maintenance Features
  • Removable, double-sloped stainless steel drain pan is standard for ease of cleaning
  • Primary and secondary drain connections provide backup in case the main connection is plugged
  • Removable panels make access to components and connections easy
  • Label information adhered to each unit includes model, size, coil information, electrical information, and tagging data
Installation Features
  • Drives are pre-set at the factory for the specific airflow at the static pressures as ordered
  • Variable-pitch pulley adjusts at the jobsite to accommodate limited ranges of air quantities and pressures
  • Motor has an adjustable platform for easy belt adjustment
  • Knockouts are provided for hanging the horizontal units that will accept a ⅜ in. threaded rod at the top and bottom of all unit corners
  • 1-in. long supply and return duct connections
  • Single point electrical connection
Standard Warranty
  • One-year parts
Factory-Installed Options
  • Motor control only (24 v transformer, motor contactor, and terminal strip)
  • Interlocking disconnect switch
  • Chilled water cooling coil
  • DX cooling coil
  • Hot water heating coil
  • Steam heating coil
  • Electric heating coil
  • 1 and 2-inch filter options
  • Automatic air vents and drains on water coils
  • Foil faced fiberglass insulation
  • Closed cell insulation
  • Double wall cabinet construction
  • Seismic certified construction (OSHPD & IBC)
  • Motor horsepower range options
  • Condensate overflow switch
Field-Installed Accessories
  • Mixing box with base rails
Unit Size 06 08 10 12 16 20 30 40
Nominal Cfm 600 800 1000 1200 1600 2000 3000 4000
42BH Operating Wt (lb.)
No heat 235 269 292 296 360 404 505 637
With heat 266 268 327 329 395 440 542 674
42BV Operating Wt (lb.)
No heat 232 234 283 287 337 412 504 606
With heat 263 265 316 320 371 448 541 644
Filters (2 in. pleated)
Number 1 1 1 1 2 2 2 2
Size (in.) 16½ x 24 16½ x 24 18¼ x 33 18¼ x 33 18¼ x 21½ 20¾ x 22 29 x 22 29 x 29
Face Area (sq. ft.) 2.8 2.8 4.2 4.2 5.5 6.3 8.9 11.7
Hydronic Coils
Size (in.) 15 x 20 15 x 20 15 x 29 15 x 29 15 x 39 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 Volume (approx. gal. per row of coil) 0.240 0.240 0.324 0.324 0.420 0.492 0.768 1.020
Fans
Qty...Size (in.) 1...9 x 4 1...9 x 6 1...10 x 4 1...10 x 7 1...11 x 10 1...12 x 9 1...12 x 12 1...15 x 12
Hydronic Coil Conn. (in.)
8 Row (Cooling) 1 nominal
1.125 OD
1½ nominal
1.625OD
4 and 6 Row (Cooling) ¾ nominal
0.875OD
1 nominal
1.125OD
1½ nominal
1.625OD
1 Row (Heating) ½ nominal
0.625 OD
1½ nominal
1.625OD
2 Row (Heating) ½ nominal
0.625OD
1 nominal
1.125OD
1½ nominal
1.625OD
DX Coil Conn. Liquid Line (in.) ¼ nominal
0.375OD
½ nominal
0.625
DX Coil Conn. Sunction Line (in.) ¾ nominal
0.875OD
1 nominal
1.125OD
1½ nominal
1.625OD
Drain Conn. Sizes (in.) ¾ MPT
Performance Features
  • Airflow capacities from 600 to 4000 Cfm
  • Outside air capability with mixing box
  • Wide range of coil options for 2-pipe or 4-pipe system combinations
  • Motors available from ¼ hp to 5 hp
  • Forward-curved, centrifugal, double-inlet fans are statically and dynamically balanced at the factory
  • 2 in. pleated filter for indoor air quality
Reliability Features
  • All equipment wiring complies with NEC requirements
  • Units constructed in accordance with ETL and ETL, Canada standards
  • Factory-installed motors and electric heaters are UL approved
  • Unit casing meets UL 181 and NFPA 90A standards
  • Units independently tested and certified in accordance with IBC and OSHPD for seismic applications
Maintenance Features
  • Removable, double-sloped stainless steel drain pan is standard for ease of cleaning
  • Primary and secondary drain connections provide backup in case the main connection is plugged
  • Removable panels make access to components and connections easy
  • Label information adhered to each unit includes model, size, coil information, electrical information, and tagging data
Installation Features
  • Drives are pre-set at the factory for the specific airflow at the static pressures as ordered
  • Variable-pitch pulley adjusts at the jobsite to accommodate limited ranges of air quantities and pressures
  • Motor has an adjustable platform for easy belt adjustment
  • Knockouts are provided for hanging the horizontal units that will accept a ⅜ in. threaded rod at the top and bottom of all unit corners
  • 1-in. long supply and return duct connections
  • Single point electrical connection
Standard Warranty
  • One-year parts
Factory-Installed Options
  • Motor control only (24 v transformer, motor contactor, and terminal strip)
  • Interlocking disconnect switch
  • Chilled water cooling coil
  • DX cooling coil
  • Hot water heating coil
  • Steam heating coil
  • Electric heating coil
  • 1 and 2-inch filter options
  • Automatic air vents and drains on water coils
  • Foil faced fiberglass insulation
  • Closed cell insulation
  • Double wall cabinet construction
  • Seismic certified construction (OSHPD & IBC)
  • Motor horsepower range options
  • Condensate overflow switch
Field-Installed Accessories
  • Mixing box with base rails
Unit Size 06 08 10 12 16 20 30 40
Nominal Cfm 600 800 1000 1200 1600 2000 3000 4000
42BH Operating Wt (lb.)
No heat 235 269 292 296 360 404 505 637
With heat 266 268 327 329 395 440 542 674
42BV Operating Wt (lb.)
No heat 232 234 283 287 337 412 504 606
With heat 263 265 316 320 371 448 541 644
Filters (2 in. pleated)
Number 1 1 1 1 2 2 2 2
Size (in.) 16½ x 24 16½ x 24 18¼ x 33 18¼ x 33 18¼ x 21½ 20¾ x 22 29 x 22 29 x 29
Face Area (sq. ft.) 2.8 2.8 4.2 4.2 5.5 6.3 8.9 11.7
Hydronic Coils
Size (in.) 15 x 20 15 x 20 15 x 29 15 x 29 15 x 39 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 Volume (approx. gal. per row of coil) 0.240 0.240 0.324 0.324 0.420 0.492 0.768 1.020
Fans
Qty...Size (in.) 1...9 x 4 1...9 x 6 1...10 x 4 1...10 x 7 1...11 x 10 1...12 x 9 1...12 x 12 1...15 x 12
Hydronic Coil Conn. (in.)
8 Row (Cooling) 1 nominal
1.125 OD
1½ nominal
1.625OD
4 and 6 Row (Cooling) ¾ nominal
0.875OD
1 nominal
1.125OD
1½ nominal
1.625OD
1 Row (Heating) ½ nominal
0.625 OD
1½ nominal
1.625OD
2 Row (Heating) ½ nominal
0.625OD
1 nominal
1.125OD
1½ nominal
1.625OD
DX Coil Conn. Liquid Line (in.) ¼ nominal
0.375OD
½ nominal
0.625
DX Coil Conn. Sunction Line (in.) ¾ nominal
0.875OD
1 nominal
1.125OD
1½ nominal
1.625OD
Drain Conn. Sizes (in.) ¾ MPT

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