1. Introducció
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.

Figure 1: LiberLive RV Tankless Water Heater, remote, and shower kit.
2. Informació de seguretat
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 Precaucions generals de seguretat
- 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.
- Mantingueu els materials inflamables allunyats de l'escalfador d'aigua.
2.2 Funcions de seguretat integrades
The unit is equipped with nine advanced safety protections:
- Protecció contra el sobreescalfament: S'apaga automàticament si la temperatura de l'aigua supera els límits de seguretat.
- Dry Burn Protection: Prevents operation without sufficient water flow.
- Flame Failure Protection: Shuts off gas supply if the flame extinguishes.
- Protecció contra la congelació: Helps prevent damage in cold temperatures.
- Anti-Scald Protection: Maintains stable water temperature to prevent sudden spikes.
- High Water Pressure Protection: Mesures de seguretat contra la pressió excessiva de l'aigua.
- 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.

Figura 2: Mésview of the 9 integrated safety protections.
3. Components del producte
The LiberLive RV Tankless Water Heater package includes the following items:
- LiberLive RV Tankless Water Heater Unit
- Control remot per cable
- Showerhead Kit (for external use)
- Manual d'instal·lació (aquest document)
4. Instal·lació
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 Requisits del lloc
- 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 Connexions
- Water Inlet & Water Outlet: 1/2" NPT connections.
- Entrada de gas: 1/2" NPT, includes a 5/8" NPT adapter.
- Connect the wired remote controller to the designated port on the unit.

Figure 3: Installation dimensions for the water heater.

Figure 4: Water and gas connection points.
Nota important: 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. Funcionament
The LiberLive RV Tankless Water Heater provides on-demand hot water with precise temperature control via its wired remote.
5.1 Funcions de control remot
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.
- Botó d'interruptor d'alimentació: Encén o apaga la unitat.
- Temperature Unit Switch Button: Alterna entre Celsius i Fahrenheit.
- Temperature Increase/Reduction Buttons: Adjusts the desired water temperature.

Figure 5: Intelligent Digital Sensor Remote Control.
5.2 Ajust de temperatura
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.

Figure 6: Utilizing the external shower outlet.
6. Característiques de rendiment
The LiberLive RV Tankless Water Heater is engineered for high performance and efficiency.
- Alta potència de calefacció: Delivers up to 55,000 BTUs of thermal power.
- Caudal alt: Produces 3.9 Gallons Per Minute (GPM) of hot water.
- Escalfament ràpid: 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.
- Eficiència energètica: Reduces propane consumption by up to 40% compared to traditional tank water heaters.

Figure 7: 55,000 BTU Heating Power.

Figure 8: Consistent water temperature output.

Figure 9: High altitude operational capability.
7. Manteniment
Un manteniment regular garanteix la longevitat i el rendiment òptim del vostre escalfador d'aigua.
- Protecció contra la congelació: 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.
- Inspecció periòdica: Periodically check all water and gas connections for leaks. Inspect the exhaust vent for any blockages.
- Neteja: Keep the exterior of the unit clean and free from debris. Do not obstruct the air intake or exhaust vents.
8. Solució De Problemes
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.
- Sense aigua calenta: Check propane supply, 12V DC power connection, and water flow. Ensure hot and cold water lines are not reversed.
- Temperatura inconsistent: Verify adequate water pressure and flow. Ensure the remote control is set to the desired temperature.
- La unitat no s'encén: Check power supply, remote control connection, and ensure all safety features are not activated (e.g., low water pressure).
- Sorolls o olors inusuals: Immediately turn off the unit and propane supply. Contact customer support or a qualified technician.
9. Especificacions
| Característica | Especificació |
|---|---|
| Marca | LiberLive |
| Número de model | FCRSQ-MS-BLACK |
| Font d'alimentació | Gas propà |
| Voltage | 12 volts (CC) |
| Wattage | 55000 watts |
| Sortida de calor | 55000 BTU per hora |
| Caudal màxim | 3.9 galons per minut (GPM) |
| Interval de temperatura | 95 °C - 124 °C |
| Pressió màxima de funcionament | 109 PSI |
| Dimensions del producte | 15 x 15 x 13.5 polzades |
| Pes de l'article | 30.5 lliures |
| Water Inlet & Outlet | 1/2" NPT |
| Entrada de gas | 1/2" NPT (with 5/8" NPT adapter) |
| Certificacions | CSA Certificated |
10. Garantia i Suport
LiberLive stands behind the quality of its products.
10.1 Informació de la garantia
The LiberLive RV Tankless Water Heater comes with a comprehensive 1 any de garantia that covers the entire unit from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
10.2 Atenció al client
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 weblloc per obtenir detalls de suport.

Figure 10: LiberLive Customer Support Team.