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 controller), 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. The
controller wiring diagram is located on the inside front cover of the controller.
Figure 22
B - Black
R - Red
W - White
Tankless Power
G - Green
120 VAC
Bl - Blue
Demand Duo™ R-Series Installation and Operation Manual
B R W G
B W G
Recovery Pump
120VAC/60Hz
1.3 AMPS Max
ATTENTION
DO NOT connect power to the
water heater prior to completing
installation and the system being
filled with water.
29