Related Manuals for Black & Decker BD-24-DWH
Summary of Contents for Black & Decker BD-24-DWH
- Page 1 Electric Tankless Water Heaters Models BD-24-DWH, BD-27-DWH º temp www.bdwaterheaters.com...
- Page 2 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.
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Page 3: Table Of Contents
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. Plumbing Requirements and Precautions -----------------------------------------------------07-08 6. Plumbing Installation --------------------------------------------------------------------------------08 7. Electrical Requirements and Precautions ---------------------------------------------------------09 8. -
Page 4: Safety Guidelines
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. -
Page 5: Selecting An Installation Location
Item # Unit dimensions (inches) Weight (lbs) Connections BD-24-DWH 18.74 x 4.53 x 14.76 12.17 3/4” BD-27-DWH 18.74 x 4.53 x 14.76... -
Page 6: Mounting Your Water Heater
4. Mounting Your Water Heater Your tankless water heater should be secured to a solid mounting surface with four screws, (minimum 1” (25.4mm) long). Ensure that the unit is level before fastening the screws in place. The unit must be installed in an upright position with the water inlet and outlet at the bottom of the unit. -
Page 7: Plumbing Requirements And Precautions
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. -
Page 8: Plumbing Installation
• 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. -
Page 9: Electrical Requirements And Precautions
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. -
Page 10: Electrical Installation
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. - Page 11 BD-24-DWH 24,000 Watts 20,166 Watts 18,026 Watts BD-27-DWH 27,000 Watts 22,687 Watts 20,280 Watts Wiring Diagram for BD-24-DWH, BD-27-DWH Terminal Block in Unit L1 L2 L1 L2 L1 L2 8/2 AWG 8/2 AWG 8/2 AWG Unit Requires 10 AWG ground wire - one for each 240V circuit Your tankless water heater is now installed and ready to use! Follow the General Operating Instructions to complete the setup.
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Page 12: Flow Rate
The chart below indicates maximum temperature rise for a given flow rate INLET GROUND WATER TEMP Item # 30°F 40°F 50°F 60°F 70°F BD-24-DWH 3.95 3.52 BD-27-DWH 4.15 3.65 Based on 105°F Output Water Temp 10. Operation Guide Operating your new tankless water heater is similar to using any traditional water heating system. -
Page 13: Care And Maintenance
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 build- up to prevent damage to the heat exchanger and heating elements. -
Page 14: User Interface/Controls
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. - Page 15 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 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.
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Page 16: Troubleshooting
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 SOLUTION ISSUE Power outage or Check the power supply. Check the circuit breakers. No hot water and faulty wiring. - Page 17 Water is Voltage less than 240 The computer chips in your tankless water heater are heated, Volts programmed with the expectation that your incoming line but not hot voltage is 240 volts. If you have less than 240 volts [i.e. enough.
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Page 18: Reset Unit
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. - Page 19 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.
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