User Manuals: Nordyne SC120D-45D HVAC System

Manuals and User Guides for Nordyne SC120D-45D HVAC System. We have 1 Nordyne SC120D-45D HVAC System manual available for free PDF download: Installation Instructions Manual

Nordyne SC120D-45D Installation Instructions Manual

Nordyne SC120D-45D Installation Instructions Manual (48 pages)

Single Stage Condensing Furnaces 92.1% AFUE

Brand: Nordyne | Category: Furnace | Size: 5 MB

Table of Contents

Installation Instructions
1
Table of Contents
2
Safety Information

5
Requirements and Codes

5
General Instructions

6
Combustion Air Requirements

7
Venting Requirements

11
- Vent Pipe Material
  11
- Vent Pipe Length and Diameter
  11
- Vent Pipe Installation
  12
- Outdoor Terminations - Horizontal Venting
  12
- Outdoor Terminations - Vertical Venting
  12
- Vent Freezing Protection
  13
- Condensate Disposal
  13
- Existing Installations
  14
Furnace Installation

14
- General Requirements
  14
- Vent and Inducer Assembly Options
  14
- Inducer Assembly Rotation
  14
- Pressure Switch Relocation
  15
  - Special Instructions for SC038-23A Furnaces
    15
- Condensate Drain Lines
  16
  - Direct Vent (2-Pipe) Applications
    16
  - Upﬂ Ow Installation
    16
    
    Side Return Air Inlet
    16
    
    Bottom Return Air Inlet
    16
  - Horizontal Installation
    16
    
    Bottom Panel Removal
    17
  - Downﬂ Ow Installation
    17
    
    Installation on a Concrete Slab
    18
Circulating Air Requirements

18
- Plenums and Air Ducts
  18
  - Supply Air Connections
    19
    
    Upﬂ Ow/Horizontal Furnaces
    19
    
    Downﬂ Ow Furnaces
    19
  - Return Air Connections
    19
    
    Side Return Installations
    19
    
    Bottom Return Installations
    19
- Acoustical Treatments
  19
Gas Supply and Piping

20
- Leak Check
  20
- High-Altitude Application
  20
- Conversion to Lp/Propane
  21
Electrical Wiring

22
- Low Voltage Wiring
  22
- Line Voltage Wiring
  22
- Grounding
  23
- Twinning
  23
Start-Up & Adjustments

23
Operating Sequence

25
- Heating Cycle
  25
- Cooling Cycle
  25
- Fan Mode
  25
Maintenance

25
- Air Filters
  
  25
- Lubrication
  
  26
  - Vent System
    26
Troubleshooting

26
Description of Components

27
- Figures and Tables
  
  27
- Furnace Dimensions
  28
- Airﬂ Ow Data
  30
- Electrical Information
  33
- Figure 24 - Wiring Diagram
  34
- Gas Information
  35
  - Propane Gas
    36
  - Table 10 - High Altitude Deration Chart for Propane Gas
    36
- Venting Information
  38
  - Furnaces
    38
    
    Figure 25 - Upﬂ Ow Options
    39
    
    Figure 26 - Horizontal Options - 1 Pipe Furnaces
    40
    
    Figure 27 - Horizontal Options - 2-Pipe Furnaces
    41
    
    Figure 28 - Downﬂ Ow Options
    42
    
    Horizontal Venting
    43
    
    Vertical Venting
    43
  - Figure 30 - Optional PVC Pipe Installation
    44
- Accessories
  45
- Location of Furnace Components
  46
Installation/Performance Checklist

48

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