Carrier 59SC2D - Connection Diagram; Schematic Diagram

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73

A190036

Fig. 73 -- Wiring Diagram

Table of Contents

Table of Contents1
Important Information2
Dimensional Drawing3
Safety Information4
Safety Considerations4
- Freeze Protection and Return Air Temperature5
- Multipoise Orientations5
Minimum Clearances to Combustible Materials5
- General Installation6
- Gas Piping and Gas Pipe Pressure Testing6
- Electrical Connections6
Codes and Standards6
Loose Parts Bag6
- Electrostatic Discharge (ESD) Precautions Procedure7
- Location7
- Ventilated Combustion Air Applications8
Air for Combustion and Ventilation8
Minimum Free Area Required9
Minimum Space Volumes9
- Outdoor Combustion Air Method10
- Combination of Indoor and Outdoor Air10
Condensate Trap11
- Example of Field Drain Attachment12
- To Relocate the Condensate Trap12
- Condensate Drain Connection14
- Knockout Removal14
- For Left Side Condensate Drain Connection15
- Drain Trap Connection and Routing15
- Modify Rubber Drain Elbow15
- Upflow Installation16
- N Coil Installation16
- Supply Air Connections16
- Return Air Connections16
- Downflow Installation17
- Upflow/Downflow Return Air Configurations and Restrictions17
- Filter Arrangement19
- Opening Dimensions19
- Installation on Combustible Flooring19
- Filter and Return Duct Sizing20
- Filter Media Pressure Drop (Clean) Versus Airflow20
- Filter Media Pressure Drop (Clean) Versus Face Velocity21
- Air Filter Selection and Duct Sizing21
- Air Filter Located in Filter Cabinet21
- Optional Media Cabinet Accessory22
- Working Platform for Attic Installation23
- Suspended Furnace Installation23
- Ductwork Acoustical Treatment24
- Platform Furnace Support/Suspended Furnace Support24
- Location Relative to Cooling Equipment24
Air Ducts24
- Air Delivery - CFM (with Filter)25
- Pressure Testing26
Gas Piping26
Maximum Capacity of Pipe26
- Gas Pipe Grommet27
- 115 - V Wiring27
Electrical Connections27
Typical Single-Stage Wiring Diagram28
Electrical Data28
- J-Box Installation29
- External Electrical Box on Furnace Casing29
- 24-V Wiring30
- Alternate Power Supplies30
- BX Cable Installation in Furnace J-Box30
- Power Cord Installation in Furnace J-Box30
- Example of Single Stage Furnace Control31
- Venting32
- Thermostat Wiring Diagrams32
- Ventilated Combustion Air Systems34
- Venting Systems34
- Non-Direct Vent (1-Pipe) System34
- Direct Vent / 2-Pipe System34
Vent Termination Kit for Direct Vent (2- -Pipe) System35
- Locating the Vent Termination36
- Direct Vent Termination Clearance37
- Ventilated Combustion Air and Non-Direct Vent Termination Clearance38
- Inside Corner Terminations39
- Size the Vent and Combustion Air Pipes40
- Ventilated Combustion Air40
- Non-Direct Vent / 1-Pipe System40
- Recommended Combustion Air Inlet Moisture Trap42
- Deductions from Maximum Equivalent Vent Length44
Maximum Equivalent Vent Length44
- Inducer Vent Elbow45
- Combustion Air and Vent Piping Insulation45
- Near Furnace Vent Connections45
- Configure the Furnace45
- Notes for Venting Options47
- Maximum Allowable Exposed Vent Lengths in Unconditioned Space Table48
- Install the Vent and Combustion Air Pipes49
- Installing the Vent Pipe Adapter and Combustion Air Pipe Adapter49
- Hanger Spacing50
- Optional Installation of the Vent Pipe50
- Optional Vent Pipe Flush with Adaptor50
- Polypropylene Fittings51
- Installing the Vent Termination51
- Inducer Outlet Restrictor52
- Venting System Length Calculations53
- Prime Condensate Trap with Water54
- Purge Gas Lines54
Start- -Up, Adjustment, and Safety Check54
Adjustments55
Altitude Derate Multiplier for U.S.A55
- Adjust Manifold Pressure56
- Check Inlet Gas Pressure56
- Adjust Temperature Rise57
- Adjust Blower off Delay (Heat Mode)57
- Adjust Cooling Airflow57
- Adjust Thermostat Heat Anticipator58
- Check Safety Controls58
- Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate59
- Service Label Information61
- Electrical Controls and Wiring62
Service and Maintenance Procedures62
Gas Rate62
- Retrieving Stored Fault Codes63
- Component Self-Test63
- Blower Motor and Wheel Maintenance64
- Cleaning And/Or Replacing Air Filter64
- Cleaning Burners and Flame Sensor66
- Servicing Hot Surface Ignitor66
- To Reinstall Burner Assembly66
- Flushing Collector Box and Drainage System67
- Cleaning Condensate Drain and Trap67
- To Re-Install Condensate Drain and Trap67
- Checking Heat Pad Operation68
- Cleaning Heat Exchangers68
- Winterization69
- Troubleshooting70
Sequence of Operation72
- Connection Diagram73
- Schematic Diagram73
- Parts Replacement Information Guide74

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