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Belt Drive Fan Coils
600 to 4,000 CFM
42BH - Horizontal
42BV - Vertical
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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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- Airflow capacities from 600 to 4000 cfm
- Outside air capability with mixing box (field-installed accessory)
- 2-pipe or 4-pipe system combinations (factory-installed option)
- Valve packages available (field-installed accessory)
- Several motor voltage options (factory-installed option)
- Motors available from ¼ hp to 5 hp (factory-installed option)
- 24 v motor control available (factory-installed option)
- 18 gage, galvanized steel casing construction
- Unit casing lined with 1-in. thick, dual density fiberglass insulation
- Multiple casing liners available (factory-installed option)
- Forward-curved, centrifugal, double-inlet fans are statically and dynamically balanced at the factory
- 2 in. pleated filter
- Certified performance in accordance with ARI Standard 440
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- Coil features:
- ½ in. copper tubes with aluminum fins mechanically bonded to tube joints
- Suitable for design working pressures of 250 psig at 200 F
- Burst tested with air at 350 psig while submerged in water
- Copper tubes comply with ASTM B-75
- Motor features:
- Permanently lubricated bearings
- Class B insulation
- Open drip-proof
- Single speed
- Suitable for continuous duty at 104 F
- Motor and its mounting are independently isolated from the cabinet and blower
- 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
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- Stainless steel drain pan
- Removable panels make access to components and connections easy
- 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
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- Belt-driven motor has a variable-pitch pulley which 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 3/8 in. threaded rod at the top and bottom of all unit corners
- 1-in. long supply and return duct connections are provided
- Factory-installed controls
- Single point electrical connection
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Control options:
- No controls (J-box with motor wiring only)
- Motor control only (24 v transformer, motor contactor, and terminal strip)
- Motor control with interlocking disconnect switch
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2-pipe or 4-pipe system combinations include:
- 4, 6, or 8 row chilled water cooling coils
- 4 or 6 row direct expansion cooling coils
- 1 or 2 row hot water or steam heating coils
- Total or auxiliary electric heat (1 to 3 stages)
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Filter options:
- 2-in. pleated filter (standard)
- Two 1-in. throwaway filters
- 1-in. pleated filter
- 2-in. MERV 11 filter with 2-in. pleated pre-filter
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| Automatic air vents and drains on water coils |
Liner options:
- 1-in. thick, dual density fiberglass (Tuf-Skin™ II)
- 1-in. foil faced fiberglass
- 1-in. antimicrobial coated dual density fiberglass (Tuf-Skin Rx™)
- ¾ in. closed cell insulation
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| Wiring packages |
Motor voltage options include:
- 120, 208, 230, or 277/1/60
- 208, 230, or 480/3/60
- 220/1/50
- 380/3/50
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| Motor horsepower range options |
| Condensate overflow switch |
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| Valve packages factory assembled for field installation |
| 24 v thermostats |
| Mixing box |
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A Member of The United Technologies Corporation Family