Black & Decker BD-24-DWH Manual page 11

Electrical Specifications by Heater Input
Item # kW Max
Amps
BD-24-DWH 24
BD-27-DWH 27 112.5
Power Rates
Item # 240V
BD-24-DWH 24,000 Watts
BD-27-DWH 27,000 Watts
Wiring Diagram for BD-24-DWH, BD-27-DWH
L1 L2 L1
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.
Required Breaker
100 3 x 40A Double Pole
3 x 40A Double Pole
220V
20,166 Watts
22,687 Watts
L2 L1 L2
8/2 AWG
8/2 AWG
8/2 AWG
Req. Wire Size
3 x 8/2 AWG with Ground
3 x 8/2 AWG with Ground
208V
18,026 Watts
20,280 Watts
Terminal Block in Unit
L1 L2 L1 L2 L1 L2
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