Rinnai Demand Duo R-Series Installation And Operation Manual page 29

WARNING
•
DO NOT use an extension cord or adapter plug with this appliance.
•
The water heater must be electrically grounded in accordance with local codes and ordinances or, in
the absence of local codes, in accordance with the National Electrical Code, ANSI/NFPA No. 70.
•
The water heater is equipped with a three-prong (grounding) plug for your protection against shock
hazard and should be plugged directly into a properly grounded three-prong receptacle. DO NOT
cut or remove the grounding terminal from this plug. This appliance includes an integrated junction
box for hard wire or three-prong plug.
When connecting the power supply, follow these guidelines:
•
DO NOT rely on the gas or water piping to ground the water heater. Ground locations are provided
inside the tankless water heater and inside the provided junction box.
•
The water heater requires 120 VAC, 60 Hz power from a properly grounded circuit.
•
When using the 6 ft. (1.8 m) power cord (included with tankless water heater), plug it into the provided
3 prong 120 VAC, 60 Hz properly grounded outlet or hard wire to the integrated junction box.
•
The water heater wiring diagram is located on the inside of the water heater front cover.
1. Locate the electric conduit on the side of
the water heater (Figure 22).
Figure 22
2. Remove the two screws around the outlet
cover. Remove the outlet cover and
prewired outlet (Figure 23).
Figure 23
Demand Duo™ R-Series (REC) Installation and Operation Manual
3. Remove the desired knockout along the
perimeter of the electric box for conduit
installation (Figure 24).
Figure 24
4. Install conduit into the knockout opening
and pull the green, white and black wires
into the box.
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