Rheem RTG-84DVLN-3 - User Manual

With Installation Instructions for the Installer
Noncondensing 199,900 Btu/h, 180,000 Btu/h,
and 160,000 Btu/h Models
Do not destroy manual. Please read carefully and
keep in a safe place for future reference.
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ULTRA
Low NOx
Emissions
SCAQMD Rule 1146.2
WARNING:
If the information in these instructions is not
followed exactly, a fire or explosion may result,
causing death, personal injury, or property dam-
age.
For Your Safety!
• Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or
any other appliance. To do so may result in an
explosion or fire.
• Installation and service must be performed by
a qualified installer, service agency, or the gas
supplier.
D
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HIGH-EFFICIENCY NON-CONDENSING
TANKLESS WATER HEATER
USE AND CARE MANUAL
What to Do If You Smell Gas
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
• Immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions.
• If you cannot reach your gas supplier, call the
fire department.
• Do not return to your home until authorized by
the gas supplier or fire department.
AP22009 Rev 04

Rheem RTG-84DVLN-3 Specifications

General

Type	Tankless
Fuel Type	Natural Gas
Maximum Flow Rate	8.4 GPM
Energy Factor	0.82
Weight	55 lbs
Vent Type	Direct Vent
Warranty	12-Year Heat Exchanger, 5-Year Parts
Voltage	120V
Thermostat	Digital
Tank Capacity	Tankless
Maximum BTU Input	199, 000 BTU

Summary

Important Safety Information

Safety Precautions

General warnings and instructions to ensure safe operation and prevent hazards.

Water Heater Venting Safety

Dangers of Improper Venting

Highlights risks of death, explosion, or asphyxiation from carbon monoxide due to improper venting.

Flammable Vapors and Combustible Materials

Warns against storing or using flammable liquids near the water heater.

Water Supply Safety

Water Temperature Dangers

Warns about scalding risks from water temperatures above 125°F (52°C).

Water Supply System Conditions

Specifies requirements for water quality and temperature for safe operation.

Natural Gas and Liquefied Petroleum Safety

Gas Type Conversion Warning

Prohibits converting the water heater between natural gas and LP gas.

Gas Leak Detection and Safety

Provides guidance on detecting gas leaks and actions to take.

Electrical Safety

Shock Hazard Warning

Emphasizes turning off electrical power before servicing to prevent electric shock.

Installation Instructions

Standards Compliance

Outlines installation compliance with national and local codes.

Choosing a Location

Provides guidelines for selecting a safe and appropriate installation location.

Mounting the Water Heater

Venting for Direct-Vent Water Heater

Venting Requirements and Materials

Details required vent pipe material and compliance with codes.

Vent Lengths

High-Altitude DIP Switch Adjustments

Appliance Vent Adapter

Draining Vent Condensate

Condensate Handling Warnings

Warns about premature failure due to acidic condensate and proper handling.

Horizontal Vent Terminal Location

Horizontal Vent Considerations

Condensate Freezing Warning

Warns about risks of condensate freezing on exterior walls and causing damage.

Horizontal Vent Installation

Vertical Vent Installation

Vent Installation Warning

Warns about risks of death, injury, or damage from improper vent installation.

Vertical Vent Terminal Location

Water Supply

Water Supply Conditions Caution

Water Supply Connections Caution

Relief Valve

Pressure-Relief Valve Requirements

Specifies requirements for the pressure-relief valve and its installation.

Hot and Cold Pipe Insulation Installation

Gas Supply

Gas Supply System Requirements

Gas Piping

Pipe-Sizing Procedure

Leak Testing

Gas Leak Testing Warning

Warns against using open flames for leak testing; requires soapy water.

High-Altitude Installation

Altitude Adjustment Warning

Warns against installing above 2000 ft without proper adjustments.

Electrical Wiring

Shock Hazard Before Servicing

Emphasizes turning off power before servicing to prevent electrocution.

Wiring and Grounding Compliance

Requires compliance with electrical codes for field wiring.

Remote Control Selection and Location

Remote Control Installation Warnings

WiFi Remote Circulation

Insulation Blankets

Activating the Water Heater

Operating Instructions

Operating Instructions

Setting the Water Temperature

Scald Potential Warnings

Details scald risks associated with different water temperatures.

Setting the Water Temperature (cont.)

Water Heater Facts and Dangers

Highlights dangers of high temperatures and improper operation.

Setting the Water Temperature

Setting with Remote Control

Piping for Space Heaters

Water Saving Control

Water Heater Inspections

Venting System Inspection

Burner Inspection

Burner Flame Inspection Warning

Care and Cleaning

Shock Hazard and Cleaning Precautions

Emphasizes turning off power and avoiding combustible materials for cleaning.

Preventive Maintenance

Draining the Water Heater

Draining Instructions Warning

Warns of injury from scalding or product damage if draining instructions are not followed.

Freeze Protection

Freeze Protection Warning

Warns of injury or damage if water heater freezes and provides prevention methods.

Troubleshooting Chart

Diagnosing Common Problems

Provides a chart to help diagnose and fix common water heater problems.

Service Error Code Chart

Error Code Diagnosis and Solutions

Lists error codes, possible causes, and solutions for troubleshooting.

IF YOU NEED SERVICE

Call for Assistance Information

ERROR CODE 88 CLEARING

LIMITED WARRANTY

Warranty Coverage and Exclusions

Details warranty periods, exclusions, and water quality recommendations.

LABOR, SHIPPING, AND PROCESSING COSTS

Warranty Claim Assistance