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39T
Carrier 39T User Manual
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LEGEND
1—
Accessory
Side
Panel
6—
Right
Side
Panels
2—
Left
Side
Panels
7—
Inside
Baffle
3—
T
op
Panels
8—
Horizontal
Baffle
4—
Baff
le
Angle
Screw
9—
Upper
Condensate
Pan
5—
Piping
10
—
Baffle
Screw
Fig.
63
—
Horizontal
or
V
ertical
Unit
—
Duct
Coil
Removal
(V
ertical
Unit
Shown)
77
76
78
Table of Contents
Table of Contents
1
Safety Considerations
1
Introduction
2
Unit and Component Identification
2
Component Description
3
Unit Nomenclature
4
Recommended Section Sequences, Horizontal Draw-Thru
6
Recommended Section Sequences, Vertical Draw-Thru
10
Recommended Section Sequences, Blow-Thru
14
Recommended Section Sequences, Return-Air and Exhaust
15
Coil Capacity and Size
16
Physical Data
16
Coil Volume
18
Chilled Water Coil Connection Sizes
18
Hot Water Coil Connection Sizes
18
Steam Coil Connection Sizes
19
Operating Charge — Direct Expansion Coil
19
Coil Moisture Blowoff Limits
19
Airfoil Fan Physical Data
20
Forward-Curved Fan Physical Data
20
Plenum Fan Physical Data, Small Wheel
21
Plenum Fan Physical Data, Standard Wheel
21
Rigging Labels
22
Pre-Installation
22
Inspection
22
Rigging and Handling
22
Long-Term Storage
22
Connection Flanges and Lifting Brackets
23
Motor Weights
24
Component Weights
25
Dry Coil Weights
27
Service Area Requirements, Horizontal Draw-Thru Units
28
Service Clearance
28
Drain Positioning
28
Service Area Requirements, Vertical Draw-Thru Units
29
Service Area Requirements, Blow-Thru Units
30
Service Area Requirements, Return-Fan Unit, Sizes 07-92
31
Unit Suspension
31
Internal Vibration Isolation
31
External Vibration Isolation
32
External Vibration Isolators — Floor-Mounted Units
33
Removing Holddown Bracket and Adjustment of Isolator Spring
33
Unit and Accessory Flange Connections
34
Installation
34
Bolting Patterns and Duct Attachment
34
Connection Flanges
34
Blow-Thru Duct Attachment Surfaces, BCS1-4
35
Fan Installation — Vertical Draw-Thru Unit
35
Vertical Draw-Thru Units
35
Heating Coil Section
36
Zone Damper Section
36
Installation of Heat Deck on Cooling Deck
36
Field-Assembled Blow-Thru Units
36
Junction Box Condensate Prevention
37
Mixing Box
37
Face and Bypass Dampers
37
Fan Motors and Drives
37
Motor Overload Protection
38
Determining Sheave-Shaft Overhang
38
Motor Power Wiring
38
Sheaves
38
Sheave Alignment
39
Drive Label
39
Fan Belt Tension Data
39
V-Belts
39
Inlet Guide Vane Actuators, Forward-Curved Fans
40
Position Actuator
40
Check Linear Actuator Linkage
40
Direct-Coupled Actuator Installation
40
Inlet Guide Vane Actuator Requirements
41
Check Linkage
41
Inlet Guide Vane Linkage Adjustment — Airfoil Fan
41
Inlet Guide Vane Actuators, Airfoil Fans
41
Draw-Thru Plenum Fan Discharge Fabrication
42
Inlet Guide Vane Actuators Plenum Fans
42
Plenum Fan Duct Connections
42
Discharge Fabrication, Draw-Thru Plenum Fans
43
Damper Operating Torque
44
Face and Bypass Damper Linkage
44
Field Supplied and Installed Actuators
45
Zone Damper Linkage
45
Mixing Box/Filter Mixing Box Damper Linkage
45
Mixing Box Damper Actuators
45
Mixing Box/Filter Mixing Box, Typical Damper Arrangement
46
Mixing Box/Filter Mixing Box, Sizes 07-21
46
Mixing Box/Filter Mixing Box, Sizes 26-92
47
Mixing Box/Filter Mixing Box, Sizes 32-92
48
Water and Steam Coil Piping Recommendations
48
Coil Connections and Lifting Points
49
Steam Coil Piping
49
Distributor Part Numbers
50
Typical Direct-Expansion Row Split Coil
50
Coil Freeze-Up Protection
50
Refrigerant Piping, Direct-Expansion Coils
50
Direct Expansion Coil Circuiting Data
51
Suction Piping
59
Thermostatic Expansion Valve Piping
59
Face-Split Coil Suction-Line Piping
59
Row Split Coil Suction-Line Piping
59
Hot Gas Bypass
60
Expansion Valve Piping
60
Nozzle Change-Out
60
Auxiliary Side Connector Data
60
Distributor and Hot Gas Bypass Auxiliary Side Connector
61
Special Piping with 4 Splits Per Coil
61
Manifolding for 2-Face Splits
61
Hot Gas Bypass Connection with 4 Splits Per Coil
61
Special Piping for Double-Curcuit Coils
62
Row-Split Coil Manifolding
62
Double-Circuited Face Split Coil Manifolding
63
Condensate Drain, Blow-Thru Units
65
Connect Power and Control Wires
66
Electric Heaters
66
Electric Heater Wiring Schematic
67
Electric Heater Data, Horizontal Heaters Used in EHS1
68
Airfoil and Forward-Curved Fans
72
Plenum Fans
72
Start-Up
72
Checklist
72
Fan, Shaft and Bearing Details
73
Fan Wheel Rotation
73
Service
74
General
74
Electric Heaters
74
Fan Motor Replacement
74
Cleaning Double-Wall Interiors
74
Coil Cleaning
74
Antifreeze Methods of Coil Protection
75
Air-Drying Method of Coil Protection
75
Electric Heater Troubleshooting Chart
75
Winter Shutdown
75
Cooling and Heating Coils
76
Horizontal or Vertical Unit — Single Coil Removal
76
Coil Removal
76
Horizontal or Vertical Unit — Duct Coil Removal
77
Plan View — Typical Coil
78
Blow-Thru Unit — Coil Removal
78
Bag-Cartridge Filters
79
Flat Filters
79
Changing Coil Hand
79
Filters
79
Filter Data
80
Filter Arrangement — 2-In. and 4-In. Flat
81
Filter Arrangement — Angle Filters
83
Filter Arrangement — BCF1 Bag or Cartridge
85
Filter Arrangement — BCF3 Bag or Cartridge (Blow-Thru)
87
Fan Shaft Bearing Removal
89
Fan and Shaft Removal
89
Fan Cutoff Plate Data, Airfoil and Forward-Curved Fans
90
Discharge Modification, Airfoil and Forward-Curved Fans
91
Top Horizontal Front to Upblast Front or UBF to THF
91
Hand Modification, Airfoil and Forward-Curved Fans
91
Fan Discharge Positions
92
Scroll Assembly — Airfoil Fan Without IGV
93
Forward-Curved Fan Without IGV
94
Airfoil Fan with IGV
96
Fan Bearing
97
Porous Bronze Bearings
97
Lubrication
97
Motor and Drive Package Data
97
Motor Bases
98
Motor and Drive Package Data, Forward-Curved Fans
99
Airfoil Fan
100
Plenum Fan
101
Metric Conversion Chart
104
4
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Carrier 39T Specifications
General
Brand
Carrier
Model
39T
Category
Air Handlers
Language
English
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