Blower Coil Air Handler Models BCHD and BCVD - trane.com

1 Blower Coil Air HandlerModels BCHD and BCVDAir Terminal Device400-3000 CFMS eptember 2013 BCX-PRC001A-ENCatalog2 BCX-PRC001A-ENIntroductionTrane Blower coils Factory Packaged How You Need It When You Need ItTrademarksFrostat, Integrated Comfort, Rover, Sigma-Flo, TOPSS, Tracer, Tracer Summit, trane , and the trane logo are trademarks or registered trademarks of trane in the United States and other countries. All trademarks referenced in this document are the trademarks of their respective is a registered trademark of American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE).

2 LonTalk is a registered trademark of Echelon CorporationUnit sizes 12, 18, 24, 36, 54, 72, 90 MBhKnockouts in all four corners for hanger rodsMain coil with copper tubes and enhances aluminum fins in 2-, 4-, or 6-row hydronic or 4- and 6-row DXThrowaway MERV 8 or MERV 13 filtersInternal filter frame accommodates 1-inchor 2-inch filtersMain and auxiliary drain connections on same side of unit1/2 or 1 HP ECM motor (standard)Direct-drive up to inches total staticeliminates the difficultieswith beltsControl box: options include the UC400 controllerfor single zone VAV; CSTI, ZN010, ZN510 or ZN520 Table of ContentsBCX-PRC001A-EN3 Introduction.

3 2 Model Number Description .. 6 Features and Benefits .. 8 Factory Packaged What You Need When You Need It .. 8 Single Source Responsibility .. 8 Piping Packages .. 9 Energy Efficiency .. 9 Controls .. 9 CSTI .. 9 Tracer Controllers .. 9 End Devices .. 9 Flexibility .. 9 Coil Options .. 10 Filter Placement Options .. 10 Motor Options .. 10 Indoor Air Quality .. 10 Drain Pans .. 11 Filtration .. 11 Ventilation .. 11 Dehumidification .. 11 Easy to Service.

4 11 Durability .. 11 Optional Accessory Sections .. 12 Mixing Box .. 12 Angle Filter Box and Combination Angle Filter/Mixing Box .. 12 Electric Heat .. 12 Steam coils .. 12 Application Considerations .. 13 Two-Pipe Units .. 13 Two-Pipe Units With Electric Heat .. 13 Changeover in Two-Pipe Systems .. 14 Four-Pipe Units .. 14DX Cooling Units .. 14 Dehumidification .. 14 Four-Pipe Unit with Reheat .. 15 Chilled-Water Reset .. 15 Airside Economizer .. 15 Location and Installation.

5 15 Acoustics .. 16 Operating Limitations .. 164 BCX-PRC001A-ENTypical Blower Coil Applications .. 17 Selection Procedure .. 20 Cooling Selection Example .. 21 Heating Selection Example .. 22 General Data .. 23 Valve Package Waterflow Limits .. 25 Coil Circuiting .. 25 Performance Data .. 26 Air pressure drop adjustments .. 26 Water Pressure Drop .. 28 Fan Curves .. 35 Chilled Water Cooling Capacities .. 55 High-Capacity Chilled Water Cooling Capacities .. 56 Distributor Selection.

6 60R-410A, DX Cooling Capacities .. 61 Hot Water Heating Capacities .. 67 Controls .. 69 VelociTach ECM Engine Controller .. 70 Control Options .. 71 Manual Fan Speed Switch (FSS) .. 71 Customer Supplied Thermostat Interface (CSTI) .. 72 Tracer Controls and Controllers .. 72 Tracer ZN010 Controller .. 73 Tracer ZN510 Controller .. 73 Tracer ZN520 Controller .. 73 Tracer UC400 Controller .. 77 Tracer Controls Sequence of Operation .. 79 End Device Options .. 80 Zone Sensor Options.

7 81 Control Valves .. 83 Two-Position Control Valves .. 83 Modulating Control Valves (Tracer ZN520 or UC400 only) .. 83 How to Choose the Correct Control Valve .. 84 Electrical Data .. 87 Dimensions and Weights .. 90 Horizontal Blower Coil .. 90 Vertical Blower Coil .. 91 Angle Filter and Mixing Box .. 92 Bottom or Top Access Filter Box .. 93 BCX-PRC001A-EN5 Electric Heat .. 94 Steam Coil .. 96 Coil Connections .. 97 Piping Packages .. 97 Basic Piping .. 98 Deluxe Piping.

8 99 Mechanical Specifications .. 101 General .. 101 Casings .. 101 coils .. 101 Fan .. 102EC Motors .. 102 Drain Pan .. 102 Filters .. 102 Mixing Box .. 103 Piping Packages .. 103 Electric Heater .. 103 Controls .. 1036 BCX-PRC001A-ENFollowing is a complete description of the Blower coil model number. Each digit in the model number has a corresponding code that identifies specific unit 1, 2, 3, 4 Unit ModelBCHD = Horizontal Blower CoilBCVD = Vertical Blower CoilDigits 5, 6.

9 7 Unit Size012 = Unit size 12 - 1 ton018 = Unit size 18 - 1 1/2 ton024 = Unit size 24 - 2 ton036 = Unit size 36 - 3 ton054 = Unit size 54 - 4 1/2 ton072 = Unit size 72 - 6 ton090 = Unit size 90 - 7 1/2 tonDigit 8 Unit Voltage A = 115/60/1B = 208/60/1C = 230/60/1D = 277/60/1J = 220/50/1K = 240/50/1 Digit 9 Insulation Type1 = 1 inch Matte-faced insulation2 = 1 inch Foil-faced insulationDigits 10, 11 Design Sequence ** = Factory sets the design sequenceDigit 12 Motor and Control Box LocationA = Same side as coil connections,horizontal or counterswirl optionsonlyB = Opposite side from coil connections,horizontal or counterswirl optionsonlyC = Same side as coil connections,preswirl option onlyD = Opposite side from coil connections.

10 Preswirl onlyDigit 13 Coil Connection Side 1 = PVC drain pan right-hand coil anddrain connections2 = PVC drain pan left-hand coil anddrain connections3 = Stainless steel drain pan right-hand coil and drain connections4 = Stainless steel drain pan left-hand coil and drain connections0 = NoneDigit 14 Coil #1 First in AirstreamNote:All coils are hydronic unless stated = No coil 1A = 1-row preheatF = 4-rowG = 6-rowJ = 4-row with autochangeoverK = 6-row with autochangeoverL = 2-row high capacity preheatM = 4-row high capacityN = 6-row high capacityR = 4-row high capacity withautochangeoverT = 6-row high capacity withautochangeover1 = 3-row DX coil 3/16-inch ( ) dist 2 = 4-row DX coil 3/16-inch ( ) dist3 = 6-row DX coil 3/16-inch ( ) dist4 = 3-row DX coil 3/16-inch ( ) dist5 = 4-row DX coil 3/16-inch ( )