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Manuals
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Carrier Manuals
Air Conditioner
48HDT
Installation, start-up and service instructions manual
Carrier 48HDT Installation, Start-Up And Service Instructions Manual
Combination heating/cooling units
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Table Of Contents
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Contents
Table of Contents
Bookmarks
Table of Contents
Index
Safety Consideration
Installation
Provide Unit Support
Roof Curb Details
Dimensions
Install Flue Hood
Trap Condensate Drain
Install Gas Piping
Make Electrical Connections
Rigging Details
Physical Data
Downshot Base Unit Dimensions
Horizontal Base Unit Dimensions
Flue Hood Details (48LDT004-006 Units)
Gas Piping Guide
Power Wiring Connections
Electrical Data
Make Outdoor Air Inlet Adjustments and Install Outdoor Air Hood
Control Wiring Connections
Outdoor Air Damper and Hood Installation and Details (004, 005, 006, 007 Units)
Access Panel Location (008 Units)
Outdoor Air Hood Details (008 Units)
Damper Blade Adjustment (008 Units)
Manual Outdoor Air Damper (008 Units)
Outdoor Air Hood Installed (008 Units)
Removing Economizer Upper Filter Access Panel (004, 005, 006, 007 Units)
Economizer Hood Installation and Details (004, 005, 006, 007 Units)
Removing Indoor Blade Linkage Retaining Strap (004, 005, 006, 007 Units)
Economizer (004, 005, 006, 007 Units)
Enthalpy Control Position (004, 005, 006, 007 Units)
Economizer Installed in Unit (008 Units)
Economizer Details (008 Units)
Economizer Motor Connections (008 Units)
Baffle Installation Details (008 Units)
Vent Position Setting Details (008 Units)
Outdoor Air Thermostat/Enthalpy Control and Cooling Lockout Switch Installation (008 Units)
Economizer and Outdoor Air Hood Assembled to Unit (008 Units)
Start-Up
Adjust Evaporator Fan Speed
To Adjust Belt Tension
Cooling
Safety Relief
Ventilation (Continuous Fan)
Economizer Operating Sequence
Heating Mode
Service
Evaporator Coil
Condenser Coil
Condensate Drain
Lubrication
Condenser Air Fan Adjustment
Manual Outdoor Air Damper
Refrigerant Charge
Cooling Charging Chart (48HDT, LDT006; HH, LH006)
Cooling Charging Chart (48HD, HH007)
Cooling Charging Chart (48HD, LD, HH, LH008)
Cooling Charging Chart (48HDD, LDD, HDD, LHD008)
Main and Pilot Burners
Combustion Air Blower
Limit Switch
Pilot Light
Main Burners
Replaicement Parts
Typical Wiring Diagram Legend (48HD, LD008)
Typical Wiring Diagram Notes (48HD, LD008)
Typical Component Arrangement (48HD, LD008 Shown)
Typical Wiring Schematic (48HD, LD008 Shown)
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Index
2
Installation
3
Dimensions
4
Roof Curb Details
5
Physical Data
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This manual is also suitable for:
48hdt004
48hdt005
48hdt006
48ldt004
48ldt005
48ldt006
...
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48hd007
48hd008
48ld007
48ld008
48hdd008
48ldd008
48hh006
48hh007
48hh008
48lh006
48lh007
48lh008
48hhd008
48lhd008
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