Watter Saver HPWH500AAOC Installation, Operation And Maintanance Manual - page 9
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ECR International
9
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IMPORTANT: Figures 5 and 6 are provided as reference
drawings for the 208/240V 2-WIRE MODELS ONLY.
Always reference the wiring diagram on the water heater
for the correct electrical connections.
CAUTION
Applying electric power to elements that are not sub-
merged in water will destroy them. The manufacturer
will not warranty any elements damaged in this man-
ner.
Figure 5
Field Wiring For 208/240V 2-Wire
Models ONLY!!
Junction Box Cover
Ground Wire
Conduit
Green
Ground
Screw
Black Wire
Red Wire
Figure 6
Wiring Diagram For 208/240V 2-Wire
Models ONLY!!
Approved Connectors
L1- Black
Overload
Connection
Green
Ground
Screw
Disconnect Switch
Electric Service Ground
L2- Red
To 208/240
50 and 60
HZ/1 Phase
Power
Supply
INSTALLING ELECTRICAL WIRING
TO THE WATER HEATER
1. BE SURE TANK IS COMPLETELY FILLED WITH
WATER before making any electrical connections.
2.Shut off the power source to the unit.
3. Loosen the screw holding the junction box cover
to the top of the water heater. Set the cover aside.
4. Make the electric connections to the water heater in
accordance with local utility requirements and codes.
A standard ½” (1.27 cm) opening has been made in
the junction box for conduit connections.
5. Ground the water heater by connecting a grounding
wire from the electric service ground terminal to the
green grounding screw in the junction box of the water
heater.
INSTALLATION CHECKLIST
Located indoors in a vertical position and protected from
freezing temperatures.
WATER SYSTEM PIPING
Water heater and electric supply properly grounded.
WATER HEATER LOCATION
Centrally located in relation to the water piping system.
Area protected from water damage.
ELECTRICAL CONNECTIONS
Properly installed and free of leaks.
T&P relief valve properly installed.
Primary and secondary condensate drains piped.
Proper overload fus e or breaker protection installed.
Discharge line run to an open drain and protected from
freezing.
Tempering valves installed per manufacturer's
ins tructions (if required).
Drain pan properly installed and piped to an adequate
drain.
Wiring and connections comply with all applicable codes.
Sufficient room to maintain or s ervice the water heater.
Heater completely filled with water.
Closed s ys tem press ure build-up precautions ins talled.