Rheem RTG-84DVLP-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.
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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-84DVLP-3 Specifications

General

Type	Tankless
Maximum Flow Rate	8.4 GPM
Energy Factor	0.82
Installation Type	Indoor
Venting	Direct Vent
Maximum BTU Input	199, 000 BTU/hr

Summary

Important Safety Information

Safety Precautions

General safety advice and warnings to be read before operation.

Water Heater Venting Safety

Safety guidelines and hazards related to water heater venting.

Water Supply Safety

Safety precautions and hazards related to water supply and temperature settings.

Natural Gas and Liquefied Petroleum Safety

Safety guidelines and hazards related to natural gas and LP gas usage.

For Your Safety Read Before Operating

Crucial safety instructions to be read and followed before operating the appliance.

Electrical Safety

Safety precautions and hazards related to electrical connections and wiring.

General Installation and Maintenance Safety

Installation Instructions

Standards Compliance

Choosing a Location

Direct-Vent Water Heater Installation

Outdoor Water Heater Installation

Mounting the Water Heater

Venting for Direct-Vent Water Heater

Requirements and warnings for the venting system of direct-vent models.

Venting Requirements

Guidelines for complying with codes and manufacturer instructions for venting.

High-Altitude DIP Switch Adjustments

Instructions for adjusting DIP switches for high-altitude installations.

Draining Vent Condensate

Horizontal Vent Terminal Location

Vertical Vent Terminal Location

Water Quality Requirements

Water Supply Conditions

Water Supply Connections

Water Supply Installation

Relief Valve Installation

Requirements for installing a pressure-relief valve and discharge line.

Gas Supply System Requirements

Requirements for gas supply piping, connectors, and sizing.

Gas Piping and Sizing

Procedure for sizing gas supply piping based on BTU capacity and pressure drop.

Regulator and Gas Meter Sizing

Gas Supply Installation Steps

Gas Supply Leak Testing

Procedures for testing gas connections for leaks using soapy water.

Gas Supply Pressure Testing

Cautions and requirements for pressure testing the gas supply system.

High-Altitude Gas Installation

Warnings and notices regarding proper adjustments for high-altitude installations.

Electrical Wiring Requirements

Safety warnings and requirements for electrical wiring and grounding.

Wiring Diagram

Using Your Water Heater

Activating the Water Heater

Step-by-step instructions for starting up and operating the water heater.

Operating Instructions

Detailed steps for turning on and operating the water heater.

Operating Safety Precautions

General safety warnings related to flammable vapors and proper shutdown procedures.

Setting the Water Temperature

Safety warnings and guidance on setting water temperature to prevent scalding.

Setting Water Temperature (Display)

Instructions and notices for adjusting water temperature via the remote control or display.

Maximum Temperature Adjustment

Steps for adjusting the water temperature, including a warning about maximum settings.

Setting Water Temperature (Remote)

Detailed steps for setting water temperature using the control display and remote.

Caring for Your Water Heater

Water Heater Inspections

Care and Cleaning (Water Filter)

Preventive Maintenance

Draining the Water Heater

Freeze Protection

Troubleshooting Chart

Service Error Code Chart

Call for Assistance

If You Need Service