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Rheem Richmond RMTGH-95DVLP User Manual

Rheem Richmond RMTGH-95DVLP
72 pages
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94% CONDENSING
TANKLESS
WATER HEATER
AP15896 (9/10)
Printed in USA
Direct Vent
Models
Rheem/EcoSense
RTGH-95DV*
ECOH200DV
*
Paloma/Wai Wela
PHH-32RDV*
Ruud
RUTGH-95DV*
Richmond
RMTGH95DV*
Outdoor
Models
Rheem/EcoSense
RTGH-95X*
ECOH200X*
Paloma/Wai Wela
PHH-32ROF*
Ruud
RUTGH-95X*
Richmond
RMTGH95X*
*All models available for natural gas (N) or
propane gas (P) usage.
Do not destroy manual. Please
read carefully and keep in a
safe place for future reference.
WARNING:
If the information in these
instructions is not followed
exactly, a re or explosion
may result, causing death,
personal injury, or property
damage.
For Your Safety!
Do not store or use gasoline
or other ammable vapors
and liquids in the vicinity of
this or any other appliance.
To do so may result in an
explosion or re.
Installation and service
must be performed by a
qualified installer, service
agency, or the gas supplier.
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.
CE RTI FIE D
R
D
E
S
I
G
N
C
E
R
T
I
F
I
E
D
®
USE AND CARE MANUAL
With Installation Instructions
for the Installer
Water Heaters for Other Than
Recreational Vehicle Installation Only

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Rheem Richmond RMTGH-95DVLP Specifications

General IconGeneral
BrandRheem
ModelRichmond RMTGH-95DVLP
CategoryWater Heater
LanguageEnglish

Summary

Important Safety Information

Safety Precautions and Warnings

General safety guidelines, including definitions of alert symbols and warnings.

What to Do If You Smell Gas

Immediate steps to take if a gas leak is suspected, emphasizing safety and contacting authorities.

California Proposition 65 Warning

Notice regarding chemicals known to cause cancer or reproductive harm in California.

Water Heater Venting Safety

Venting System Safety

Critical safety measures for proper installation and operation of the water heater's venting system.

Flammable Vapors and Fire Hazard

Precautions regarding the storage and use of flammable liquids near the water heater.

Venting Installation Cautions

Specific cautions regarding vent attachment, condensate drain, and clearances.

Water Supply Safety and Temperature

Water Temperature and Scald Hazards

Safety guidelines related to water temperature settings and the risk of severe burns.

Time/Temperature Relationship in Scalds

Chart detailing how water temperature affects the time to cause a serious burn.

Temperature Conversion Chart

Conversion table between Fahrenheit and Celsius for water temperatures.

Gas Type and Leak Safety

Natural Gas and LP Safety Precautions

Safety measures for handling natural gas and propane (LP) fuel sources for the water heater.

Gas Leak Detection and Response

Instructions for detecting gas leaks and actions to take if a leak is suspected.

Pre-Operation Safety and Instructions

Pre-Operating Safety Checklist

Essential safety steps and checks to perform before the initial operation of the water heater.

Operating Instructions for Startup

Step-by-step guide for safely starting and operating the water heater.

Turning Off Gas to Appliance

Procedure for safely shutting off the gas supply to the water heater for service.

Electrical and California Safety Requirements

Electrical Safety Precautions

Critical safety measures for electrical connections and grounding of the water heater.

California Installation Requirements

Mandatory bracing and anchoring requirements for water heaters in California due to earthquake risks.

General Installation and Maintenance Safety

General Installation Safety Guidelines

Key safety guidelines for installing the water heater according to codes and manufacturer instructions.

General Maintenance Safety Precautions

Safety precautions to avoid injury during maintenance or repair of the water heater.

Product Information and Records

For Your Records Section

Section to record important product details like model, serial number, and installation information.

Preoperating Checklist

A checklist of essential items to verify before operating the water heater for the first time.

Direct-Vent Model Specifications

Detailed physical dimensions and connection sizes for direct-vent water heater models.

Outdoor Model Specifications

Detailed physical dimensions and connection sizes for outdoor water heater models.

Technical Specifications Summary

Comprehensive list of technical data including gas type, pressure, flow rates, and electrical consumption.

Direct-Vent Water Heater Diagram

Illustrates the typical components and connections of a direct-vent water heater system.

Outdoor Water Heater Diagram

Illustrates the typical components and connections of an outdoor water heater system.

Using Your Water Heater

Operational Safety Precautions

Important safety rules for using the water heater, including handling flammable vapors.

Setting Water Temperature

Instructions and warnings on adjusting the water heater's temperature for safety and efficiency.

Time/Temperature Scald Relationship

Guide showing the relationship between water temperature and time to cause a serious burn.

Remote Control Temperature Adjustment

How to adjust water temperature using the remote control and understanding its display.

Water Heater Operational Facts

Key facts about water heater operation, including hottest water location and safety features.

Caring for Your Water Heater

Venting System Inspection

Annual inspection procedures for the direct-vent system to ensure security and airtightness.

Condensate Collector Maintenance

Instructions for inspecting and maintaining the condensate collector due to its acidic nature.

Burner Inspection

Annual visual inspection of the main burner flames for proper blue color and operation.

General Care and Cleaning Procedures

Procedures for cleaning the water heater and remote control safely.

Water Filter Cleaning

Step-by-step guide for cleaning the water filter monthly to ensure proper water flow.

User Preventive Maintenance

Suggested routine maintenance tasks for users to ensure reliable operation.

Draining the Water Heater

Step-by-step instructions for safely draining the water heater for maintenance or storage.

Re-servicing After Draining

Steps to reconnect and restart the water heater after it has been drained.

Freeze Protection Methods

Guidance on protecting the water heater and pipes from freezing, including running water protection.

Vacation and Extended Shutdown

Recommendations for preparing the water heater for periods of inactivity or shutdown.

Troubleshooting: No or Insufficient Hot Water

Diagnoses and solutions for common issues related to insufficient or absent hot water supply.

Troubleshooting: Water Temperature Issues

Diagnoses and solutions for problems where the water temperature is too low or too high.

Service Error Code Chart Overview

Introduction to the water heater's diagnostic system and interpreting error codes on the remote display.

Specific Error Code Solutions

Table listing error codes, their possible causes, and recommended solutions from technicians.

Call for Assistance

Contact information and required details for seeking service or technical support.

Installation Instructions

Standards Compliance

Requirements for installation according to national and local codes and standards.

Choosing an Installation Location

Guidelines for selecting a safe and appropriate location for the water heater, considering clearances.

Installation Location Clearances

Minimum clearances required from combustible and noncombustible construction for safe installation.

Prohibited Installation Locations

List of locations where the water heater should not be installed due to safety or operational concerns.

Product Inspection Before Installation

Steps to visually inspect the water heater and verify all parts are present and undamaged before installation.

Corrosive Atmosphere Installation Warning

Warning against installing the water heater in environments containing halogenated hydrocarbons.

Direct-Vent Installation Diagram

Illustrates the typical setup and connections for a direct-vent water heater with venting.

Outdoor Water Heater Installation Diagram

Illustrates the typical setup and connections of an outdoor water heater without venting.

Mounting the Water Heater

Instructions for securely mounting the water heater to the wall, ensuring proper support and access.

Direct-Vent Venting Requirements

Critical safety and code requirements for installing the direct-vent system, including pipe materials.

Recommended Vent Lengths

Charts detailing maximum and minimum vent pipe lengths based on the number of elbows used.

Horizontal Vent Installation Considerations

Guidance on horizontal vent installation, including support, slope, and preventing condensate issues.

Massachusetts Venting Regulations

Specific state requirements for gas appliance venting, including CO detectors and signage.

Horizontal Vent Terminal Location

Diagram illustrating acceptable and prohibited locations for horizontal vent terminals.

Horizontal Vent Terminal Clearances

Chart detailing minimum dimensional clearances for vent terminals based on US/Canadian codes.

Horizontal Vent Condensate Warnings

Warnings about flue gas condensation, freezing, and potential damage to the building exterior.

Indoor Tankless Venting Requirements

Minimum distances between vent terminations for multiple indoor unit installations.

Horizontal Vent Installation Safety

Safety precautions for using solvent cements and primers during vent pipe assembly.

Joining Vent Pipes and Fittings

Procedures and standards for joining vent pipes and fittings using solvent cement.

Horizontal Vent Terminal Installation Steps

Detailed steps for installing vent plates, cutting holes, and attaching vent pipe sections.

Alternative Horizontal Vent Kits

Information on commercially available alternative horizontal vent termination kits.

Vertical Vent Installation Procedure

Step-by-step guide for cutting holes, installing vent pipes, and supporting vertical runs.

Vertical Vent Terminal Location Chart

Chart detailing minimum dimensional clearances for vertical vent terminals based on US/Canadian codes.

Standard Vertical Vent Termination Diagram

Illustrates the standard setup for vertical vent pipe termination through a roof.

Alternative Vertical Vent Termination Kits

Information on commercially available alternative vertical vent termination kits.

Water Supply Quality Requirements

Essential conditions for water supply quality, including temperature and chemical content.

Thermal Expansion Considerations

Explanation of thermal expansion tanks and their necessity in recirculation systems.

Water Supply Connections Safety

Important cautions regarding heat application to water connections and pipe sizing.

Water Pressure and Flow Rate Guidelines

Guidelines for minimum water pressure and flow rate required for proper water heater operation.

Water Supply Installation Steps

Steps for installing cold water shut-off, checking flow, and replacing the water filter.

Relief Valve Installation Requirements

Requirements for installing a new pressure-relief valve, including type, rating, and discharge piping.

Pipe Insulation and Freeze Protection

Recommendations for insulating hot and cold water supply pipes to prevent freezing and conserve energy.

Condensate Drainage Procedures

Ensuring proper condensate drainage to prevent blockages and potential error codes.

Gas Supply Connection Warnings

Warning against converting gas type or improper connections, which can cause severe hazards.

Gas Piping Sizing Procedure

Procedure for calculating and determining the correct gas pipe size based on input and length.

Gas Supply Installation Steps

Step-by-step guide for installing manual gas shut-off valves, connectors, and sediment traps.

Gas Leak Testing Procedure

Instructions for leak testing gas connections using a soapy water solution.

Gas Supply System Pressure Testing

Procedures for pressure testing the gas supply system and isolating the water heater.

High-Altitude Installation Guidelines

Information on water heater certification for high altitudes and potential input rate adjustments.

Electrical Wiring Safety Precautions

Critical safety warnings for electrical connections, grounding, and preventing shock hazards.

Power Cord and Wiring Requirements

Specifications for the power cord, dedicated circuits, and wiring compliance with codes.

Wiring Diagram

Schematic illustration of the water heater's electrical connections and components.

Remote Control Selection and Placement

Considerations for choosing and locating the remote control for optimal use and safety.

Available Remote Control Models

Chart listing compatible remote control models, their descriptions, and temperature set point ranges.

Remote Control Wiring and Installation

Step-by-step guide for drilling holes, feeding cables, and mounting the remote control.

Connecting Remote Control to Water Heater

Procedure for connecting the remote control extension cables and securing covers.

Insulation Blanket Usage and Warnings

Information on insulation blankets, their purpose, and warnings against improper use or covering components.

General Installation Precautions

Final checks and precautions before operating the water heater, covering gas, air, and clearances.

Installation Checklist Summary

Comprehensive checklist covering location, venting, water supply, gas, electrical, and condensate.

Lighting the Water Heater Safety Warning

Crucial safety warnings to read before operating and lighting the water heater.

Operating Instructions: Lighting the Heater

Step-by-step instructions for safely lighting and operating the water heater.

Operating Instructions: Starting the Heater

Sequence for starting the water heater, including power and gas valve operations.

Shutting Off the Water Heater

Procedure for safely shutting off the water heater, including electrical and gas supply disconnection.

Setting Water Temperature with Remote

Instructions for adjusting water temperature up to 140°F (60°C) using the main remote control.

Adjusting Water Temperature Settings

Detailed steps for adjusting temperature up or down, including setting maximum limits.

Minimum Temperature Adjustment

Procedure for adjusting the water heater temperature down to 85°F (29°C).

High-Altitude DIP Switch Adjustments

Instructions for adjusting DIP switches on the PCB for proper operation at high altitudes.

DIP Switch Adjustment Details

Specific instructions for adjusting DIP switches based on altitude ranges for optimal performance.

Parts Replacement

Parts Ordering Information

Information required when ordering replacement parts, including model number and gas type.

Direct-Vent Gas Components Diagram

Diagram identifying key components of direct-vent gas models for parts identification.

Outdoor Gas Components Diagram

Diagram identifying key components of outdoor gas models for parts identification.

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