VEVOR Instant Water Heater, 13.8kw Manual

Unlock the full potential of your VEVOR Instant Water Heater with our comprehensive product manual download. This 13.8kw Electric Tankless Water Boiler, renowned for its Digital Temperature Display and Easy Installation, is your ultimate solution for an uninterrupted 24-hour water supply in your kitchen, bathroom, shower, mall, salon, or shampoo area.

Our detailed manual is designed to guide you through every step of the setup process, ensuring a smooth and hassle-free installation. With in-depth troubleshooting tips and optimization strategies, you can maximize the efficiency and longevity of your ETL Listed water heater.

Whether you’re dealing with minor glitches or aiming for peak performance, our manual has you covered. Download now to ensure you have all the information you need for a seamless and efficient water heating experience.

VEVOR Instant Water Heater User Manual

MODEL: JN08/ JN13

WARNINGS

This is not a do-it-yourself project. Failure to have this appliance installed by a licensed plumber and electrician will void all warranties.

Under no circumstances should you attempt to install, repair, or disassemble the tankless electric heater without first shutting off all power to the unit directly at the circuit breaker box.

Installation of this product is restricted to indoor locations only by licensed plumbing or electrical contractors.

Important Safety Instructions

1. The installation must comply with the National Electrical Code and your local electrical and plumbing codes.
2. This appliance must be EARTHED.
3. A qualified electrician must supervise all wiring and installation.
4. CAUTION: This product has more than one power-supply connection point. Disconnect all power supplies before servicing (for models JN08, JN13, JN18, JN27 only).
5. This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities or a lack of experience and knowledge unless they have been given supervision or instruction concerning its use by a person responsible for their safety. Children should be supervised to ensure they do not play with the appliance.
6. This appliance MUST be permanently connected to the fixed circuit breaker and installed vertically. DO NOT install this appliance near a tinder or a strong magnetic field.
7. This appliance is forbidden to be switched on if you think it may be frozen, as this could result in severe damage to the unit. Please wait until you are sure it has completely thawed out before switching it on.
8. To avoid scalding, please feel the outlet’s hot water temperature with your hand before showering to ensure it is suitable.
9. Before connecting pipes to the water heater hoses, it is essential to FLUSH the pipes to wash away all plumbing paste or residue in the pipes.
10. The heating chamber is treated with composite nano insulation material; it is natural if there is a slight smell or green blue smoke when the unit is first used.
11. If the wire is damaged, you must contact a qualified electrician to replace it with dedicated wire from our authorized dealers.
12. CAUTION: FOR HOUSEHOLD AND INDOOR USE ONLY.
13. At risk of electric shock, CONNECT ONLY TO A CIRCUIT PROTECTED BY A GROUND-FAULT CIRCUIT INTERRUPTER (GFCI). 

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Instant Water Heater Product Features

The tankless electric water heaters are incorporated with China’s national patent technology with multiple safety devices. The unit also has the following features:

1. Tankless, instantaneous heating for on-demand hot water. No pre-heating. No standby heating loss. Energy-saving.
2. Micro-computer control, adopting patent heating technology. Water is completely separated from electricity by multiple layers of composite nano insulation material.
3. Over-temperature protection: When the outlet water temperature reaches over 167°F/75°C, the electricity will be cut off to avoid getting scalded, and the screen displays E1. The appliance will start to work automatically when the temperature drops to the set temperature.
4. Malfunction of sensor- when there is a malfunction with the inlet temperature sensor, the heater stops working and displays E3.
5. Malfunction of sensor- when there is a malfunction with the outlet temperature sensor, the heater stops working and displays E4.
6. Conversion between degrees Fahrenheit and degrees Celsius.

Electrical Diagram

Technical Data

Note:* A suitable recognized strain relief means shall be provided when the product is installed.

Recommended Accessories

Product Inner Structure

Instant Water Heater Installation Guideline

The installation must comply with the National Electrical Code, your local electrical and plumbing codes.

1. Make sure the appliance is intact, and the fittings are complete.
2. Please make sure the main power supply, water pressure, grounding condition, ammeter and wire reach the standard of installation requirements.
3. The appliance must be connected to properly grounded dedicated branch circuits of proper voltage rating. Ground must be brought to the “ground” at the circuit breaker panel.
4. This appliance MUST be permanently connected to the fixed circuit breaker. Please switch off the circuit breaker if you don’t use the heater.
5. DO NOT install this appliance near a strong magnetic field or a transformer. The unit must only be mounted vertically near the water fittings. Please electrify and try the machine after getting through the waterway.

Installation Method

Fixed installation on the wall

Locate an appropriate place on a section of wall as mentioned above.

Water Connections

1. All water pipes must comply with national and applicable state and local water pipe codes.
2. The unit should be connected directly to the main water supply. Flush the pipe with water to remove any debris or loose particles.
3. It is required to use 3/4″ NPT water connections to fit the models of JN18 and JN27.
4. Please remember to install rubber seal rings at the connections. When all water connections are completed, check for leaks and take corrective action before proceeding.

Electrical connection

1. All electrical work must comply with national and applicable state and local electrical codes.
2. All units must be connected to a properly grounded dedicated branch circuit of proper voltage rating.
3. JN18 require two independent circuits. Use two supply cables protected by two separate double-pole breakers.
4. JN27 require three independent circuits. Use three supply cables protected by three separate double-pole breakers.
5. While feeding the cable to the terminal blocks, please make sure the metal wire ends and the terminal blocks touch completely. Then, tighten the screws to ensure the full current can pass through.
6. Before beginning any work on the electric installation, be sure that main breaker panel switch is OFF to avoid any danger of electric shock, all mounting and plumbing must be completed before proceeding with electrical hook-up.

Operation Instructions

1. Turn on the circuit breaker to bring electrical power to the unit.
2. Open water faucet for a few minutes until water flow is continuous and air purged from water pipes. The unit must be operated after the breakers are turned on.
3. After the unit is supplied with power, a beep sound can be heard, and LED lights will flash for 2 seconds. There will be no other display, and the appliance will stay on standby.
4. Press the power button to turn the appliance ON/OFF. When the unit is ON, the LED displays the outlet’s actual water temperature. After 5 seconds, the screen switches to the screen saver while the appliance stops working. The display screen light will be off. If the screen is touched, it will be light again.
5. Single touch 🔼 and 🔽 to adjust the outlet temperature.
   • The temperature setting range is 30-60°C / 86-140°F.
   • If the unit has been paused, you may initially get a short burst of very hot water while you turn on again. Please run the water through for a few seconds to let the temperature settle down. And check water temperature before using it.
   • If the unit is unused in winter, drain the water entirely so the heater will not freeze.
   • Please periodically clean the inlet strainer and the shower to keep water flowing freely.
6. Press (power icon), then press (menu icon) to convert the temperature display to Fahrenheit or Celsius degrees.
7. Touch (menu icon) and hold for 5 seconds to lock the operation panel. In the locking state, the light 🔒 will keep on, then touch (menu icon) and hold for 5 seconds to unlock the operation panel, and the light 🔒 will be off.
8. There is an automatic memory function to avoid repetitive operations. When you turn on the appliance, the default set temperature will be the same as last.
9. Only a qualified electrician should perform it. The person who initially installed the unit is the best one to contact for help.

Troubleshooting The Instant Water Heater

Instant Water Heater Maintenance

Note: Do not attempt to repair this water heater yourself. Call a service person for assistance. Always turn off these operations. The power supply needs to be shut off.

Regular maintenance is not required. However, it is recommended to follow maintenance to ensure consistent water flow.

1. Periodically remove scale and dirt that may build up at the faucet’s aerator or in the shower head.
2. There is a built-in filter screen at the inlet connection, which should be cleaned periodically. Please turn off the water flow before doing this.

Instant Water Heater Packing List