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General| Category | Tankless Water Heater |
|---|---|
| Model | V53E |
| Gas Type | Natural Gas or Propane |
| Temperature Range | 98°F - 140°F |
| Flow Rate | 5.3 GPM |
| Ignition Type | Electronic Ignition |
| Energy Efficiency | 0.82 |
| Venting | Direct Vent |
| Warranty | 12 years heat exchanger, 5 years parts |
Defines safety alert symbols like DANGER, WARNING, CAUTION.
Lists essential safety behaviors and warnings for appliance use.
Describes automatic safety shut-down features like overheat, flame failure.
Lists features and their availability across different controller models.
Describes the MC-91-1US and MCC-91-1US temperature controllers and their layout.
Describes the wireless MC-502RC-1US-S controller and its features.
Explains how to adjust voice prompt volume for MC-100V and BC-100V controllers.
Details the MCC-91 controller, its higher temp capabilities, and warranty implications.
Explains default settings and switch adjustments for units without a controller.
Guides on setting the desired water volume for the Bath Fill function.
Step-by-step guide for cleaning the appliance components.
Advises keeping the vent terminal clear of snow and ice.
Describes how to visually inspect the burner flame for correct operation.
Refers to specific error codes and flushing procedures for scale buildup.
Explains indicators shown on the front panel.
Lists error codes, their faults, and recommended remedies.
Addresses no hot water issue, checking gas, water, and electricity.
Explains potential causes for hot water turning cold, like flow rate.
Explains white smoke as condensation in cold weather.
Explains the delay in hot water delivery due to plumbing.
Explains the fan's post-operation behavior.
Discusses water quality and its potential impact on the unit.
Provides crucial general instructions and warnings for installers.
Guides on securely mounting the water heater to the wall.
Specific electrical connection details for the V53i model.
Specific electrical connection details for the V53e model.
Provides general guidelines and warnings for gas piping.
General instructions and warnings for water piping.
Details requirements and installation of the pressure relief valve.
Explains the built-in freeze protection features and recommendations.
Step-by-step guide for manually draining the water heater.
Method to prevent freezing by running low water volume.
Steps to take if the heater or piping has frozen.
Provides guidelines for intake and exhaust venting for the V53i.
Explains condensate formation and how to manage it.
Provides important guidelines for connecting multiple water heaters.
Advises on suitable locations for controller installation.
Explains how multiple controllers can be configured and wired.
Specifies cable requirements for temperature controllers.
Step-by-step instructions for mounting the MC-91 or MCC-91 controller.
Step-by-step instructions for mounting the MC-91 or MCC-91 controller for V53e.
Emphasizes reading safety instructions before operation to prevent hazards.
Provides step-by-step instructions for operating the water heater.
Outlines the procedure to safely turn off gas supply to the appliance.
Graph showing pressure loss versus water flow rate.
Graph showing water flow rate versus temperature rise.
Recommends temperature settings for domestic hot water and space heating.
Advises on pump types and sizing for circulation systems.
Guidance on replacing existing water heating sources with Rinnai units.
Warns against using Rinnai heaters with iron components due to rust.
Section for recording warranty details like model, serial, and installation date.
Explains what the Rinnai warranty covers and its duration.
General installation notice regarding contractor qualifications.
Details Massachusetts state requirements for vented gas equipment.
