Rheem RGPE series - Furnace Fault Codes - Pressure Switches; Fault Code 44: LPC Closed; Fault Code 45: LPC Open

Rheem RGPE series

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TABLE 20

FURNACE FAULT CODES EXPANDED W/DESCRIPTIONS AND SOLUTIONS – CONTINUED

when the inducer is energized at high speed.

73

Table of Contents

Default Chapter1
- Communicating Thermostats1
- Installation Instructions1
- Table of Contents2
Safety Information3
Installation Checklist5
General Information6
- Important Information about Efficiency and Indoor Air Quality6
- Receiving7
Location Requirements and Considerations7
- Location7
Listed Chemicals Known to the State of12
That Contain, or Produce, any of over 60012
California's Proposition 65 Requires12
California to Cause Cancer or Birth COMBUSTION and VENTILATION AIR12
- Combustion Air Requirements12
Defects such as Fiberglass Insulation, VENTING16
- General Information16
- Draft Inducer16
- Furnace Category Information16
- Important Application Notes16
  - Vertical Venting17
  - Special Vent Systems17
- Power Vent Systems18
  - Existing Vent Systems18
Lead in Brass, and Combustion Products19
From Natural Gas.19
All “New Equipment” Shipped for Sale in19
California will Have Labels Stating that the Product Contains And/Or Produces Proposition 65 Chemicals. Although We Have Not Changed Our Processes, Having GAS SUPPLY and PIPING19
- Gas Supply19
- Gas Piping19
- Gas Pressure20
- Lp Conversion20
- Setting Gas Pressure21
- Adjusting or Checking Furnace Input22
- Electrical Wiring23
Electrical Wiring24
- Electrical Checks24
Accessories25
- Field Installed Option Accessories25
- Other Accessories Available27
- Rxgw-B01 Chimney Adapter27
- Typical Wiring for Select Accessories for Communicating Residential Systems27
- High Altitude Instructions29
- Lp Gas29
- Orifice Ordering Information29
- Alternate Method for Canadian High-Altitude Derate29
Glass Wool (Fiberglass) Insulation31
Other Manufacturers.31
Similar Equipment in Our Industry and31
Substances Commonly Associated with31
- Carbon Monoxide (CO) AIRFLOW31
Airflow33
Integrated Furnace Control33
- Vac Thermostat Inputs33
- Special Configuration-Communicating Thermostat W/Non-Comm. Condenser34
- Vac from Transformer Connections34
- Fuse34
- 115 Vac Terminals34
- Induced Draft Motor Output34
- Neutral Terminals35
- Electronic Air Cleaner Output35
- Humidifier Output35
- 15-Pin Mate-N-Lok Connector35
  - Communicating Ecm Motor Communications Connection36
- Spark Ignition Transformer37
- R-J11 Connector37
- Communications Network Connection37
- Communications L.e.D.'s37
- Learn Button38
  - Memory Card Connector38
- Memory Card38
- Replacing the Furnace Control41
- Dipswitches44
- Sw144
- Sw246
- Furnace Operation Using Non-Communicating Siingle-Stage and Two-Stage Thermostats46
- Sw3-1 and Sw3-247
- Bias / Termination48
- Dual Seven-Segment Diagnostic Display48
- Fault Code Buffer48
- Clearing Diagnostic Fault Codes from the Buffer48
- Communicating Systems49
Start-Up Procedures57
- Ignitor Placement, Alignment & Location57
  - To Start the Furnace57
- To Shut down the Furnace57
- Sequence of Operation57
- Adjusting or Checking Furnace Input59
Maintenance60
- Filters60
- System Operation Information62
- Annual Inspection62
- Lubrication62
- Replacement Parts62
- Nox MODELS62
- Troubleshooting62
- Fault Codes65
- Wiring Diagram79
Thermostats80
- Non-Communicating Thermostats80
- Sequence of Operation80
Communicating Thermostats84

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