LiberLive FCRSQ-MS-BLACK

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LiberLive RV Tankless Water Heater Propane User Manual

Model: FCRSQ-MS-BLACK

1. Introduction

This manual provides essential information for the safe and efficient operation, installation, and maintenance of your LiberLive RV Tankless Water Heater. This propane-powered, on-demand unit is designed to provide continuous hot water for recreational vehicles and campers, featuring a 12V DC power supply and a 15 x 15 inch door for installation. Please read this manual thoroughly before installation and use.

LiberLive RV Tankless Water Heater with remote control and shower kit

Figure 1: LiberLive RV Tankless Water Heater, remote, and shower kit.

2. Safety Information

Your safety is paramount. This LiberLive RV Tankless Water Heater is CSA certified and incorporates multiple safety features. Adhere to all warnings and instructions to prevent injury or damage.

2.1 General Safety Precautions

  • Ensure proper ventilation during operation to prevent carbon monoxide accumulation.
  • Do not block any openings on the water heater unit.
  • Only use propane gas as the fuel source.
  • Verify all gas and water connections are secure and leak-free before operation.
  • Keep flammable materials away from the water heater.

2.2 Integrated Safety Features

The unit is equipped with nine advanced safety protections:

  • Overheat Protection: Automatically shuts off if water temperature exceeds safe limits.
  • Dry Burn Protection: Prevents operation without sufficient water flow.
  • Flame Failure Protection: Shuts off gas supply if the flame extinguishes.
  • Freeze Protection: Helps prevent damage in cold temperatures.
  • Anti-Scald Protection: Maintains stable water temperature to prevent sudden spikes.
  • High Water Pressure Protection: Safeguards against excessive water pressure.
  • Low Air Pressure Protection: Ensures adequate air supply for combustion.
  • Low Water Pressure Start-up: Requires sufficient water pressure to initiate operation.
  • Flue Blockage Protection: Detects and responds to exhaust obstructions.
Diagram illustrating nine safety protections of the LiberLive RV Tankless Water Heater

Figure 2: Overview of the 9 integrated safety protections.

3. Product Components

The LiberLive RV Tankless Water Heater package includes the following items:

  • LiberLive RV Tankless Water Heater Unit
  • Wired Remote Controller
  • Showerhead Kit (for external use)
  • Installation Manual (this document)

4. Installation

Proper installation is crucial for the safe and efficient operation of your water heater. If you are unsure about any step, consult a qualified professional.

4.1 Site Requirements

  • The water heater requires a 13 x 13 inch cut-out for mounting. The exterior door measures 15.9 x 15.9 inches.
  • Ensure the installation area provides proper ventilation and exhaust.
  • The unit requires a 12-volt DC power connection.

4.2 Connections

  • Water Inlet & Water Outlet: 1/2" NPT connections.
  • Gas Inlet: 1/2" NPT, includes a 5/8" NPT adapter.
  • Connect the wired remote controller to the designated port on the unit.
Diagram showing the dimensions and cut-out size for installing the RV tankless water heater

Figure 3: Installation dimensions for the water heater.

Diagram illustrating the water and gas connection points on the RV tankless water heater

Figure 4: Water and gas connection points.

Important Note: If the hot and cold water pipes are reversed, the water heater will not respond when turned on. To identify the cold water pipe, simply turn on the pump and observe which pipe delivers cold water.

5. Operation

The LiberLive RV Tankless Water Heater provides on-demand hot water with precise temperature control via its wired remote.

5.1 Remote Control Functions

The smart remote control allows operation from up to 6.6 feet away. Its display shows water temperature, combustion status, fan operation, and spray status.

  • Power Switch Button: Turns the unit on or off.
  • Temperature Unit Switch Button: Toggles between Celsius and Fahrenheit.
  • Temperature Increase/Reduction Buttons: Adjusts the desired water temperature.
Close-up of the intelligent digital sensor remote control for the RV water heater

Figure 5: Intelligent Digital Sensor Remote Control.

5.2 Temperature Adjustment

The temperature range is adjustable from 95°F to 124°F (35°C to 51°C). Use the up and down arrows on the remote to set your desired temperature. The built-in microcomputer control system ensures precise flame control and consistent hot water delivery.

5.3 External Shower Function

This upgraded model features two water outlets: one for internal RV use and an additional outlet for external use. To use hot water outside the RV, open the water heater's exterior door and connect the included shower head kit to the additional water outlet.

Man showering outdoors using the external water outlet of the RV tankless water heater

Figure 6: Utilizing the external shower outlet.

6. Performance Features

The LiberLive RV Tankless Water Heater is engineered for high performance and efficiency.

  • High Heating Power: Delivers up to 55,000 BTUs of thermal power.
  • High Flow Rate: Produces 3.9 Gallons Per Minute (GPM) of hot water.
  • Rapid Heating: Reaches 124°F in approximately 25 seconds, providing instant hot water without preheating.
  • Constant Water Temperature: Equipped with high-efficiency heating coils and a microcomputer control system for stable water temperature, with a fluctuation of only ±2°F. Staged combustion technology prevents overheating and ensures energy efficiency.
  • High Altitude Performance: Designed to operate effectively at high altitudes, including up to 9,800 feet above sea level. An enhanced NIDEC fan provides 300Pa of power for reliable operation in various conditions.
  • Energy Efficiency: Reduces propane consumption by up to 40% compared to traditional tank water heaters.
Internal diagram showing 55,000 BTU heating power of the RV water heater

Figure 7: 55,000 BTU Heating Power.

Graph illustrating stable water temperature output of the LiberLive RV water heater compared to others

Figure 8: Consistent water temperature output.

RV driving through mountains, illustrating normal operation at 9,800 feet altitude

Figure 9: High altitude operational capability.

7. Maintenance

Regular maintenance ensures the longevity and optimal performance of your water heater.

  • Freeze Protection: The unit has built-in freeze protection. However, in extremely cold conditions or during prolonged storage, it is recommended to drain the water system to prevent potential damage.
  • Regular Inspection: Periodically check all water and gas connections for leaks. Inspect the exhaust vent for any blockages.
  • Cleaning: Keep the exterior of the unit clean and free from debris. Do not obstruct the air intake or exhaust vents.

8. Troubleshooting

If you encounter issues with your LiberLive RV Tankless Water Heater, refer to the following general troubleshooting steps. For specific error codes displayed on the remote, consult the detailed troubleshooting section in the full installation manual.

  • No Hot Water: Check propane supply, 12V DC power connection, and water flow. Ensure hot and cold water lines are not reversed.
  • Inconsistent Temperature: Verify adequate water pressure and flow. Ensure the remote control is set to the desired temperature.
  • Unit Not Turning On: Check power supply, remote control connection, and ensure all safety features are not activated (e.g., low water pressure).
  • Unusual Noises or Odors: Immediately turn off the unit and propane supply. Contact customer support or a qualified technician.

9. Specifications

FeatureSpecification
BrandLiberLive
Model NumberFCRSQ-MS-BLACK
Power SourcePropane Gas
Voltage12 Volts (DC)
Wattage55000 watts
Heat Output55000 BTU per Hour
Maximum Flow Rate3.9 Gallons Per Minute (GPM)
Temperature Range95°F - 124°F
Maximum Operating Pressure109 PSI
Product Dimensions15 x 15 x 13.5 inches
Item Weight30.5 pounds
Water Inlet & Outlet1/2" NPT
Gas Inlet1/2" NPT (with 5/8" NPT adapter)
CertificationsCSA Certificated

10. Warranty and Support

LiberLive stands behind the quality of its products.

10.1 Warranty Information

The LiberLive RV Tankless Water Heater comes with a comprehensive 1-year warranty that covers the entire unit from the date of purchase. This warranty covers defects in materials and workmanship under normal use.

10.2 Customer Support

Our dedicated customer support team is available to assist you with any questions, concerns, or technical issues you may encounter. Please refer to the contact information provided with your product packaging or visit the official LiberLive website for support details.

Customer support representatives wearing headsets, indicating available assistance

Figure 10: LiberLive Customer Support Team.

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