ANZZI Envo WH-AZ035-M1 Electric Tankless Water Heater 3.5 KW Instruction Manual

1. Safety Information

Please read all instructions carefully before installation and operation. Failure to follow these instructions may result in property damage, personal injury, or death.

Important Safety Warnings:

• This appliance must be installed by a qualified electrician and plumber in accordance with all local, state, and national electrical and plumbing codes.
• Do not install this unit where it may be exposed to freezing temperatures.
• Ensure the electrical supply matches the unit's requirements (120 Volts, 3.5 KW).
• Always turn off the power supply to the unit before performing any maintenance or service.
• Do not operate the unit if it is damaged or malfunctioning.
• Water temperature can reach up to 131°F (55°C). Exercise caution to prevent scalding.

2. Product Overview

The ANZZI Envo WH-AZ035-M1 is a compact electric tankless water heater designed to provide instant and continuous hot water for single-point-of-use applications, such as a bathroom or kitchen sink.

Key Features:

• Hot Water On Demand: Heats water only when needed, eliminating standby heat loss.
• Compact Design: Small enough for installation in tight spaces, such as under a sink.
• Continuous Supply: Provides an endless supply of hot water, unlike tank-style units.
• Fresher Water: Water is heated instantly, not stored, ensuring cleaner water.
• Energy Efficient: Reduces energy consumption by heating water only when activated.

Product Components:

The unit typically includes the main heating unit, mounting hardware, and connection fittings. Refer to the packaging for a complete list of included items.

Image: Front view of the ANZZI Envo tankless water heater, showing the digital display and control buttons.

Image: Diagram highlighting key features such as indoor electric heating, hot water on demand, continuous supply, too-hot prevention, and compatibility with any faucet.

3. Specifications

Image: Diagram showing the dimensions of the ANZZI Envo tankless water heater: 7.8 inches wide by 6.3 inches high.

4. Installation

Installation must be performed by a licensed professional. Ensure all local plumbing and electrical codes are strictly followed.

4.1 Pre-installation Checklist

• Verify that the electrical supply meets the unit's requirements (120V, 3.5KW).
• Ensure adequate space for the unit and access for maintenance.
• Confirm water pressure is within acceptable limits (typically 15-150 PSI).
• Gather all necessary tools and materials (e.g., drill, screwdriver, pipe wrench, Teflon tape).

4.2 Mounting the Unit

1. Select a suitable wall location, preferably near the point of use, that is protected from freezing.
2. Mark the mounting points on the wall using the unit as a template.
3. Drill pilot holes and secure the mounting bracket (if applicable) or the unit directly to the wall using appropriate fasteners.

Image: The ANZZI Envo tankless water heater mounted under a sink, connected to the cold water supply and hot water outlet.

Image: The ANZZI Envo tankless water heater installed discreetly under a bathroom vanity, demonstrating its compact size.

4.3 Plumbing Connections

1. Connect the cold water supply line to the inlet port (typically marked blue or with a 'C').
2. Connect the hot water outlet line to the hot water faucet (typically marked red or with an 'H').
3. Use appropriate plumbing fittings and ensure all connections are watertight. Do not overtighten.
4. Open the hot water faucet to purge air from the system before turning on the power.

Image: A chart illustrating how to choose the correct ANZZI Envo tankless water heater model based on local climate (inlet water temperature) and desired flow rate for various fixtures (e.g., hand sink, kitchen sink).

Image: Diagram illustrating the internal water flow: cold water enters, passes through the heating element, and hot water exits. This shows the instant heating process.

4.4 Electrical Connections

WARNING: Electrical work should only be performed by a qualified electrician.

• Ensure the main power supply to the circuit is OFF at the breaker panel.
• Connect the unit to a dedicated circuit breaker as specified in the electrical requirements. For the 3.5kW, 120V model, this typically requires a 30 Amp single-pole breaker. Consult local electrical codes for specific breaker and wire gauge requirements.
• Follow the wiring diagram provided with the unit for correct connections (Live, Neutral, Ground).
• Secure all electrical connections tightly.

Image: An electrical diagram showing the connection of a tankless water heater to a breaker panel. Note: This diagram may illustrate a higher wattage model; always verify specific electrical requirements for your 3.5kW, 120V unit with local codes and the included manual.

5. Operating Instructions

5.1 Initial Startup

1. Ensure the unit is properly installed and all plumbing connections are leak-free.
2. Open a hot water faucet completely to allow water to flow through the unit for at least 30 seconds to purge any air.
3. Turn on the electrical power supply to the unit at the circuit breaker.
4. The unit's digital display will illuminate.

5.2 Temperature Adjustment

• The unit features a digital display and control buttons (typically '+' and '-' or similar icons).
• Press the '+' button to increase the desired water temperature.
• Press the '-' button to decrease the desired water temperature.
• The maximum adjustable temperature is 131°F (55°C).
• The display will show the set temperature and the current outlet water temperature.

Image: The ANZZI Envo water heater's digital display showing a set temperature, with control buttons for adjustment.

6. Maintenance

Regular maintenance ensures optimal performance and extends the lifespan of your water heater. Always disconnect power before performing any maintenance.

• Cleaning: Wipe the exterior of the unit with a soft, damp cloth. Do not use abrasive cleaners or solvents.
• Inlet Filter: Periodically check and clean the inlet water filter to prevent sediment buildup. Turn off water supply and power before removing and cleaning the filter.
• Descaling: In areas with hard water, mineral buildup can affect performance. Professional descaling may be required annually or as needed.
• Leak Inspection: Regularly inspect all plumbing connections for any signs of leaks. Address any leaks immediately.

7. Troubleshooting

Before contacting customer support, review the following common issues and solutions.

8. Warranty and Support

For warranty information and customer support, please refer to the official ANZZI website or the documentation included with your purchase. Keep your proof of purchase for warranty claims.

Contact Information:

• Brand: ANZZI
• Website: www.anzzi.com (or refer to product packaging for specific support contact)
• Phone: (Refer to product packaging or website for current support number)