Rheem GRJ Series Gas Furnace Manuals

Manuals and User Guides for Rheem GRJ Series Gas Furnace. We have 1 Rheem GRJ Series Gas Furnace manual available for free PDF download: Installation Instructions Manual

Rheem GRJ Series Installation Instructions Manual

Rheem GRJ Series Installation Instructions Manual (64 pages)

UPFLOW & DOWNFLOW/HORIZONTAL HIGH EFFICIENCY CONDENSING GAS FURNACES

Brand: Rheem | Category: Furnace | Size: 2.67 MB

Table of Contents

Installation Instructions
1
Safety Precautions
1
Installation Check List
2
Table of Contents
3
General Information
4
Safety Information
6
Location Requirements and Considerations
8
Site Selection
9
Ducting
13
Venting and Combustion Air Piping
14
Cementing Joints
15
Combustion and Ventilation Air
16
Vent Pipe Installation
19
- Direct Vent
  22
- Installation Guidelines
  22
Condensate Drain/Neutralizer
32
Converting Downflow to Horizontal
34
Gas Supply and Piping
36
- Gas Valve
  37
- Gas Pressure
  37
- Setting Gas Pressure
  39
Electrical Wiring
41
Accessories
42
Furnace Twinning
42
High Altitude Instructions
45
- To Shut down the Furnace
  48
- Sequence of Operation
  48
- To Start the Furnace
  48
Start-Up Procedures
48
Air Flow
50
Maintenance
54
- Annual Inspection
  56
- Replacement Parts
  56
- Troubleshooting
  56
- System Operation
  56
Wiring Diagrams
56
Troubleshooting Guide
57

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