Rheem RGFG - Wire Diagram - Stepper; Servo Modulating Valve (Fuel Codes Ha or Hb)

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91

FIGURE 51

WIRING DIAGRAM

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STEPPER MODULATING GAS VALVE (FUEL CODE HU) (FURNACE MODEL IS RGFE & RGGE)

Table of Contents

Installation Instructions1
Table of Contents2
Safety Information3
Installation Check List5
General Information6
Important Information about Efficiency and Indoor Air Quality7
Location Requirements and Considerations8
- Clearance-Accessibility9
- Site Selection9
- Dimensions and Clearance to Combustibles10
- Ducting11
That Contain, or Produce, any of over VENTING and COMBUSTION AIR PIPING12
- Installation with Pre-Existing Vent Systems12
- Joining Pipe and Fittings12
- Cementing Joints13
Non-Direct Vent Pipe Installation14
Installation Guidelines17
Direct Vent Pipe Installation18
- Concentric Terminations20
- Location Requirements24
Condensate Drain/Optional Neutralizer28
Gas Supply and Piping30
- Gas Valve31
- Lp Conversion33
- Setting Gas Pressure34
Electrical Wiring35
Accessories37
- Electronic Air Cleaner37
- Humidification and Dehumidification37
- Other Accessories39
- Typical Wiring Accessories for Communicating Residential Systems39
High Altitude Installations in the U.s41
- Rgfg- High Altitude Conversion41
- Lp Gas at High Altitude Elevations43
- Furnace Installation with Non-Communicating High Efficiency Premium Cooling or Heat Pump Systems44
- Zoning Systems44
Integrated Furnace Control45
- Seven Segment Display45
- Vac Thermostat Inputs47
- Special Configuration - Comm T-Stat and Non-Comm Condenser47
- Memory Card49
  - Rules for Writing, Distribution and Arbitration of Multiple Copies of Furnace Shared Data for Communicating-Capable Furnaces49
- Replacing the Furnace Control51
- Dipswitches52
- Furnace Operation Using Non-Communicating Modulating55
  - Modulating and Two-Stage T-Stats55
- Communicating Systems58
  - Wiring for Communications58
  - Startup for Systems Configured with Communications59
- Furnace User Menus60
- Dual-Fuel Operation65
Start-Up Procedures66
- Sequence of Operation68
- Setting Input Rate68
Maintenance69
- Annual Inspection71
- Replacement Parts71
- System Operation Information71
- Wiring Diagram71
Troubleshooting Chart72
Troubleshooting Chart73
Normal Operating Codes (Table 23)74
Furnace Fault Codes with Descriptions and Solutions (Table 24)75
Wire Diagram - Stepper / Servo Modulating Valve (Fuel Codes Ha or Hb)91
Thermostats92
- Non-Communicating Thermostats92
- Thermostat Wiring (with Wiring Diagrams)92
Applications96
- Modulating, Touch-Screen, Non-Communicating Thermostat ((-)Hc-Tst412Mdms)96
- Troubleshooting105
Communicating Thermostats106
- Hc-Tst501Cmms Programmable Communicating Thermostat108
- Hc-Tst550Cmms Full Color, Programmable Communicating Thermostat112
- Viewing Furnace User Menus with the (-)Hc-Tst550Cmms Thermostat113
- Changing Furnace Setup Items on the (-)Hc-Tst550Cmms Thermostat114

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