Electric Tankless Water Heaters Models BD-24-DWH, BD-27-DWH temp www.bdwaterheaters.
Important Safety Guideline THIS INSTRUCTION MANUAL SHOULD BE SAVED FOR FUTURE REFERENCE. Definitions: Safety Alert Symbols and Words This instruction manual uses the following safety alert symbols and words to alert you to hazardous situations and your risk of personal injury or property damage. DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
Table of Contents 1. Safety Guidelines-------------------------------------------------------------------------------------04 2. About Your Black+ Decker Electric Tankless Water Heater----------------------------------04-05 3. Selecting an Installation location--------------------------------------------------------------------05 4. Mounting Your Water Heater--------------------------------------------------------------------06-07 5.
1. Safety Guidelines Please read this manual thoroughly before installing & using the instant water heater. Failure to comply with the safety, installation or operating instructions will void the product warranty. Manufacturer and distributor of the product will not be liable for any damage or injury caused by the failure to comply with the installation and operating instructions specified in this manual or the improper use of the product.
Time/Temperature Relationship in Scalds 120°F (49°C) Exposure for more than 5 minutes 122°F (50°C) Around 3 minutes of exposure You may require a 120°F (49°C) or lower thermostat setting to prevent contact with “HOT” water, if you have small children, disabled, or elderly persons in your home. The temperature of the water is regulated by the electronic control on the front of the water heater. 3. Selecting an Installation Location • This Water Heater is designed for indoor installation only.
4. Mounting Your Water Heater 1. Your tankless water heater should be secured to a solid mounting surface with four screws, (minimum 1” (25.4mm) long). 2. Ensure that the unit is level before fastening the screws in place. 3. The unit must be installed in an upright position with the water inlet and outlet at the bottom of the unit. Do not install inversely with connections facing up or sideways with connections facing right or left. 4. Do not install the unit above electrical boxes or junctions. 5.
Recommended clearances: 12” (304.8mm) above and below the heater 6” (152.4mm) in front of and to the sides of the heater CAUTION: Please keep any flammable materials at least 24” (609.6mm) away from the water heater and hot water outlet pipe. 5. Plumbing Requirements and Precautions • Please follow all plumbing instructions carefully. This product must be installed in accordance with all national, state, provincial, and local plumbing codes.
• We recommend the installation of a manual shut-off valve (ball valve) on the inlet and outlet of the water heater to create a convenient shut-off point if future maintenance or servicing is required. Before connecting the pipes to the water heater, it is highly essential to flush the lines to eliminate all the plumbing paste or residue in the lines caused by any welding or soldering.
7. Electrical Requirements and Precautions Manufacturer recommends that this product be installed in accordance with all applicable national, state, provincial, and local electrical codes. Consult a qualified and licensed electrician if you have questions or are unsure about anything relating to codes for this product. The heater must be connected to a dedicated circuit breaker on the main electrical panel.
8. Electrical Installation STEP 1: Take the wire pair and connect to the breaker (see wiring diagram). Be sure that the breaker is connected to one black wire and one red wire. Be sure the power to the unit is shut off using the dedicated circuit breakers in the main electrical panel.
Electrical Specifications by Heater Input Item # kW BD-24-DWH BD-27-DWH 24 27 Power Rates Item # BD-24-DWH BD-27-DWH Max Amps 100 112.5 Required Breaker Req.
9. Flow Rate The chart below indicates maximum temperature rise for a given flow rate Item # BD-24-DWH BD-27-DWH kW 24 27 INLET GROUND WATER TEMP 30°F 40°F 50°F 3.95 3.52 3.3 4.15 3.65 3.4 Based on 105°F Output Water Temp 60°F 2.4 2.7 70°F 0.7 1.4 10. Operation Guide Operating your new tankless water heater is similar to using any traditional water heating system.
deny any warranty claim regarding damage suffered due to use in water conditions that are not in accordance with the table below. The water must be treated, and the heater flushed regularly when this product is installed in an area that is known to have hard water that causes scale buildup to prevent damage to the heat exchanger and heating elements. We recommend that a water treatment device or water softener should be installed to maintain optimal performance of the water heater in hard water areas.
minutes to purge any air from the heater and water lines. This step must be performed before turning on power to the heater. Failure to complete this step may cause permanent damage to the heating elements. 4. Reconnect power to the unit at the circuit breaker on the main electrical panel. Press and switch the ON position. 5. With the water running through the unit, check and reset the temperature if necessary. The recommended temperature setting is 118°F (48°C). 12.
Starting the system for the first time 1. Press button, to activate the heater to display outlet temperature. 2. With the water running through the unit, press or to adjust the temperature. Freezing Temperatures If the ambient temperature falls below 32°F (0°C), protect the heater from potential damage. Power off the unit using the dedicated circuit breaker on the main electrical panel. Open a faucet slightly to cause water to flow continuously through the device at a very low rate, without heating.
13. Troubleshooting Before calling for service, check the troubleshooting list of common issues. If you are unable to resolve a problem, contact your locally authorized distributor. PROBLEM POSSIBLE CAUSE ISSUE Power outage or No hot faulty wiring. water and display do NOT light up No hot water and display DOES light up Water is heated, but not hot enough. 16 SOLUTION Check the power supply. Check the circuit breakers. Make sure the breakers at main electrical panel are ON.
Water is heated, but not hot enough. Voltage less than 240 Volts The computer chips in your tankless water heater are programmed with the expectation that your incoming line voltage is 240 volts. If you have less than 240 volts [i.e. 208V or 220V], it may affect the reading on your water heater’s digital display and cause it to read slightly higher than the actual output temperature. To compensate for this, increase the setting on your water heater if you need or want hotter water.
14. Reset Unit As with all electrical appliances, it is crucial to first shut off all power to the unit directly at the fuse or breaker box before attempting to reset this water heater. WARNING: SERIOUS BODILY INJURY OR DEATH COULD OCCUR IF YOU IGNORE THIS WARNING. Locate the three reset button locations as shown below and press all buttons. If you hear a “click,” the unit has reset. If you find that the unit needs to be reset quite often, please call our customer service for further assistance.
LIMITED WARRANTY For service, repair or any questions regarding your water heater, call the appropriate 800 number listed within this section. Please DO NOT return the product to the place of purchase. Also, DO NOT mail the product back to the manufacturer, nor bring it to a service center without proper instructions and permission from one of our representatives. The terms of this warranty are solely subject to the original owner and are at no time transferable.
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