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12
Step 2
Step 3
Loosen the screws of the clamp and slide the matching cable through the clamp.
Note: This unit should be installed by a qualified professional in accordance with all national, state,
provincial and local electrical & plumbing codes.
240V not 120V
HIGH VOLTAGE DANGEROUS
Confirm that your breaker panel can meet the
required specifications for your unit.
18k: 240V Outlet, 2x 40A Double Pole
Circuit Breaker, 2x 8AWG/2 Wires
If you do not have the correct infrastructure you will need a professional to install a new outlet,
breaker, and/or wiring.
Under no circumstances should you attempt to clean, install, inspect, repair, disassemble or
otherwise service this water heater without first shutting off all power to the unit directly at the
circuit breaker box. Serious bodily injury or death could occur if you ignore this warning.
1. Turn off the Power
2. Take each wire pair and connect them to one breaker (see wiring diagram). Make sure that
each breaker is connected with one black wire and one red wire.
3. Using a suitable wire gauge that meets all applicable electrical codes for the size of the breakers
used, run the correct sets of wire from the main breaker panel to the tankless water heater.
4. A separate ground conductor is required.
2x8 AWG Wire
L1: Neutral wire (black)
L2: Live wire (red)
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