Name: Carrier 39T
Brand: Carrier
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RAF2

RFC2

EXHAUST AIR

EXB1,2

TO OTHER

ARRANGEMENTS

39T UNIT

PAF5

39TU

Fig. 7 — Recommended Section Sequences,

Return-Air and Exhaust — Sizes 07-92

Table of Contents1
Safety Considerations1
Introduction2
Unit and Component Identification2
- Component Description3
- Unit Nomenclature4
- Recommended Section Sequences, Horizontal Draw-Thru6
- Recommended Section Sequences, Vertical Draw-Thru10
- Recommended Section Sequences, Blow-Thru14
- Recommended Section Sequences, Return-Air and Exhaust15
- Coil Capacity and Size16
Physical Data16
- Coil Volume18
- Chilled Water Coil Connection Sizes18
- Hot Water Coil Connection Sizes18
- Steam Coil Connection Sizes19
- Operating Charge — Direct Expansion Coil19
- Coil Moisture Blowoff Limits19
- Airfoil Fan Physical Data20
- Forward-Curved Fan Physical Data20
- Plenum Fan Physical Data, Small Wheel21
- Plenum Fan Physical Data, Standard Wheel21
- Rigging Labels22
Pre-Installation22
Inspection22
Rigging and Handling22
Long-Term Storage22
- Connection Flanges and Lifting Brackets23
- Motor Weights24
- Component Weights25
- Dry Coil Weights27
- Service Area Requirements, Horizontal Draw-Thru Units28
Service Clearance28
Drain Positioning28
- Service Area Requirements, Vertical Draw-Thru Units29
- Service Area Requirements, Blow-Thru Units30
- Service Area Requirements, Return-Fan Unit, Sizes 07-9231
Unit Suspension31
Internal Vibration Isolation31
External Vibration Isolation32
- External Vibration Isolators — Floor-Mounted Units33
- Removing Holddown Bracket and Adjustment of Isolator Spring33
- Unit and Accessory Flange Connections34
Installation34
Bolting Patterns and Duct Attachment34
Connection Flanges34
- Blow-Thru Duct Attachment Surfaces, BCS1-435
- Fan Installation — Vertical Draw-Thru Unit35
Vertical Draw-Thru Units35
- Heating Coil Section36
- Zone Damper Section36
- Installation of Heat Deck on Cooling Deck36
Field-Assembled Blow-Thru Units36
Junction Box Condensate Prevention37
Mixing Box37
Face and Bypass Dampers37
Fan Motors and Drives37
- Motor Overload Protection38
- Determining Sheave-Shaft Overhang38
- Motor Power Wiring38
Sheaves38
- Sheave Alignment39
- Drive Label39
- Fan Belt Tension Data39
V-Belts39
- Inlet Guide Vane Actuators, Forward-Curved Fans40
- Position Actuator40
- Check Linear Actuator Linkage40
- Direct-Coupled Actuator Installation40
- Inlet Guide Vane Actuator Requirements41
- Check Linkage41
- Inlet Guide Vane Linkage Adjustment — Airfoil Fan41
Inlet Guide Vane Actuators, Airfoil Fans41
Draw-Thru Plenum Fan Discharge Fabrication42
Inlet Guide Vane Actuators Plenum Fans42
Plenum Fan Duct Connections42
- Discharge Fabrication, Draw-Thru Plenum Fans43
- Damper Operating Torque44
Face and Bypass Damper Linkage44
- Field Supplied and Installed Actuators45
- Zone Damper Linkage45
- Mixing Box/Filter Mixing Box Damper Linkage45
Mixing Box Damper Actuators45
- Mixing Box/Filter Mixing Box, Typical Damper Arrangement46
- Mixing Box/Filter Mixing Box, Sizes 07-2146
- Mixing Box/Filter Mixing Box, Sizes 26-9247
- Mixing Box/Filter Mixing Box, Sizes 32-9248
Water and Steam Coil Piping Recommendations48
- Coil Connections and Lifting Points49
- Steam Coil Piping49
- Distributor Part Numbers50
- Typical Direct-Expansion Row Split Coil50
Coil Freeze-Up Protection50
Refrigerant Piping, Direct-Expansion Coils50
- Direct Expansion Coil Circuiting Data51
- Suction Piping59
- Thermostatic Expansion Valve Piping59
- Face-Split Coil Suction-Line Piping59
- Row Split Coil Suction-Line Piping59
- Hot Gas Bypass60
- Expansion Valve Piping60
- Nozzle Change-Out60
- Auxiliary Side Connector Data60
- Distributor and Hot Gas Bypass Auxiliary Side Connector61
- Special Piping with 4 Splits Per Coil61
- Manifolding for 2-Face Splits61
- Hot Gas Bypass Connection with 4 Splits Per Coil61
- Special Piping for Double-Curcuit Coils62
- Row-Split Coil Manifolding62
- Double-Circuited Face Split Coil Manifolding63
- Condensate Drain, Blow-Thru Units65
- Connect Power and Control Wires66
Electric Heaters66
- Electric Heater Wiring Schematic67
- Electric Heater Data, Horizontal Heaters Used in EHS168
- Airfoil and Forward-Curved Fans72
- Plenum Fans72
Start-Up72
Checklist72
- Fan, Shaft and Bearing Details73
- Fan Wheel Rotation73
Service74
General74
Electric Heaters74
Fan Motor Replacement74
Cleaning Double-Wall Interiors74
Coil Cleaning74
- Antifreeze Methods of Coil Protection75
- Air-Drying Method of Coil Protection75
- Electric Heater Troubleshooting Chart75
Winter Shutdown75
- Cooling and Heating Coils76
- Horizontal or Vertical Unit — Single Coil Removal76
Coil Removal76
- Horizontal or Vertical Unit — Duct Coil Removal77
- Plan View — Typical Coil78
- Blow-Thru Unit — Coil Removal78
- Bag-Cartridge Filters79
- Flat Filters79
Changing Coil Hand79
Filters79
- Filter Data80
- Filter Arrangement — 2-In. and 4-In. Flat81
- Filter Arrangement — Angle Filters83
- Filter Arrangement — BCF1 Bag or Cartridge85
- Filter Arrangement — BCF3 Bag or Cartridge (Blow-Thru)87
Fan Shaft Bearing Removal89
Fan and Shaft Removal89
- Fan Cutoff Plate Data, Airfoil and Forward-Curved Fans90
- Discharge Modiﬁcation, Airfoil and Forward-Curved Fans91
- Top Horizontal Front to Upblast Front or UBF to THF91
Hand Modification, Airfoil and Forward-Curved Fans91
- Fan Discharge Positions92
- Scroll Assembly — Airfoil Fan Without IGV93
- Forward-Curved Fan Without IGV94
- Airfoil Fan with IGV96
- Fan Bearing97
- Porous Bronze Bearings97
Lubrication97
Motor and Drive Package Data97
- Motor Bases98
- Motor and Drive Package Data, Forward-Curved Fans99
- Airfoil Fan100
- Plenum Fan101
Metric Conversion Chart104

Brand	Carrier
Model	39T
Category	Air Handlers
Language	English

Carrier 39T User Manual

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