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General| Type | Tankless |
|---|---|
| Model | RMTG-53DV |
| Fuel Type | Natural Gas |
| Flow Rate | 5.3 GPM |
| Energy Efficiency | 0.82 Energy Factor |
| Vent Type | Direct Vent |
| Maximum Temperature | 140°F |
| Minimum Activation Flow | 0.4 GPM |
| Venting | 3 inch |
| Warranty | 5 years |
Describes the manual's scope, covering installation and owner use for the water heater.
Highlights that the water heater is unsuitable for manufactured or mobile homes.
Provides immediate steps to take if a gas leak is suspected, emphasizing safety.
Emphasizes the critical danger of improper venting, leading to unsafe operation.
Warns about the extreme danger of flammable liquids and vapors near the appliance.
Details the relationship between water temperature and time to produce severe burns.
Introduces remote control function for setting water temperature.
Distinguishes between natural and LP gas models and cautions against conversion.
Outlines seismic bracing requirements for installations in California.
Provides essential safety advice before installing or operating the unit.
Guidance on selecting an optimal location and required clearances from combustibles.
Discusses how corrosive air can affect the water heater and void the warranty.
Instructions for inspecting the unit for damage and verifying parts upon delivery.
Specifies the required UL-approved materials for the venting system.
Details maximum vent lengths and the impact of using elbows on system performance.
Provides guidelines for proper vent slope and termination location.
Specifies clearances required when venting through walls or ceilings.
Instructions for correctly installing the appliance vent adapter.
Guidance on managing acidic condensate from the venting system.
Provides a table of required clearances for horizontal vent terminal placement.
Illustrates indoor water heater placement and venting considerations.
Tips to prevent moisture issues and damage related to vent terminal location.
Methods for sealing and attaching horizontal vent pipes and terminals.
Guidance on proper support for horizontal vent runs to prevent noise and vibration.
Guidelines for determining the correct height and location for vertical vent termination.
Steps for installing vertical vent pipes, including supports and flashing.
Instructions for securely attaching the water heater mounting brackets to the wall.
Explains the need for a thermal expansion tank in closed loop systems.
Guidance on connecting the cold and hot water supply lines to the heater.
Specifies conditions for water supply quality and inlet temperature.
Describes optional valve kits for easier maintenance and flushing.
Details requirements for pressure relief valve ratings and installation.
Specifies proper piping for the relief valve discharge line.
Instructions for connecting the gas supply line, including shutoff valves.
Procedures for checking gas connections for leaks using a soapy water solution.
Considerations for installing and operating the heater at higher elevations.
Factors to consider when choosing a location for remote control installation.
Details on available remote control models and their features.
Step-by-step instructions for wiring the main remote control to the water heater.
Specifies the electrical power requirements and cord details for the unit.
Instructions for qualified electricians on hardwiring the unit.
A diagram illustrating a typical installation with venting.
Guidance on using insulation blankets and potential warranty implications.
Instructions for insulating hot and cold water pipes to improve energy efficiency.
A summary checklist of critical installation actions and common mistakes to avoid.
Checks for proper indoor heater placement and environmental conditions.
Ensures water supply is adequate, connected properly, and protected.
Verifies correct gas type, pressure, and supply line installation.
Confirms proper installation and function of the pressure relief valve.
Ensures the coaxial venting system meets all requirements.
Verifies correct voltage, grounding, and local code compliance for wiring.
Crucial safety steps to perform before attempting to light the water heater.
Detailed instructions for safely igniting the water heater's burner.
General safety guidelines to follow during the operation of the water heater.
Guidance on setting temperature and understanding scald risks, especially for vulnerable users.
Instructions on how to use the remote control buttons to set desired water temperature.
Importance of regular inspection and maintenance for reliable operation.
Procedures for cleaning the exterior of the water heater and remote control.
Annual inspection of the venting system to ensure security and air-tightness.
Visual inspection of the main burner flame for proper pattern and color.
Instructions for shutting down the unit for extended periods, including draining.
Step-by-step instructions for safely draining water from the heater.
Methods to prevent freezing of the unit and piping, including insulation and running water.
Diagnosing and resolving problems related to low or no hot water supply.
Identifying causes and solutions when water temperature is too low.
Addressing issues where the water temperature is excessively high.
General steps to take when an error code is displayed on the unit.
Details common error codes, their possible causes, and recommended actions.
Instructions for placing an order for replacement parts, including required information.
Visual identification of key components for ordering parts.
Procedure for adjusting DIP Switch #4 to enable higher temperature settings (up to 140°F).
Information on how to contact the manufacturer for assistance or repairs.
Specific installation compliance requirements for Massachusetts.
