Electrical Requirements - Whirlpool 121802 Installation Instructions And Use & Care Manual

Electrical Requirements

WARNING
Electric Shock Hazard
Disconnect power before
servicing.
Replace all parts and panels
before operating.
Failure to do so can result in
death or electrical shock.
WARNING
Use 10 gauge solid copper
wire.
Use a UL listed or
CSA approved strain relief.
Connect ground wire to green
ground screw.
Failure to do so can result in
death, fire, or electrical shock.
If you lack the necessary skills required to properly install
the electrical wiring to this water heater, do not proceed but
have a qualifi ed electrician perform the installation.
When making the electrical connections, always make
sure:
• The electrical supply has the proper overload fuse or
breaker protection.
• Wire sizes and connections comply with all applicable
codes.
• Wiring enclosed in approved conduit (if required by
local codes).
• The water heater and electrical supply are properly
grounded.
Figures 3, 4, and 5 are provided as reference drawings
for the 120/240v 2-wire models only. Always reference
the wiring diagram located on the water heater for the
correct electrical connections and
supply to the water heater in accordance with local utility
requirements and codes.
When installing the electrical wiring to the water heater:
1. Be sure tank is completely filled with water before
making any electrical connections. (See Figure 2)
2. Disconnect the electric power.
3. Loosen the screw holding the junction box cover to the
top of the water heater and set aside.
4. Connect the electrical supply to the water heater.
A standard 1/2 inch opening has been made in the
junction box for conduit connections.
5. Connect ground wire to green ground screw in the
junction box of the water heater. Reinstall the junction
box cover.
Fire Hazard
connect the electrical
Figure 2
Heating Element
NOTE: Applying electrical power to elements that are not submerged
in water will destroy them. The manufacturer will not warranty any
elements damaged in this manner.
Figure 3
120/240V 2-Wire Models
Junction Box
Cover
White Wire (120V Models)
Red Wire (240V Models)
Figure 4
Wiring Diagram
Overload
120V Models Only
Protection
Approved Connectors
Black
White
Ground
Screw
Service Ground
Figure 5
Wiring Diagram
208/240v Models Only
Overload
Protection
Approved Connectors
Black
Red
Ground
Screw
Electrical
Service ground
Ground
Green
Wire
Ground
Conduit
Screw
Black Wire
Circuit
Breaker
Hot
To 120V
Power Supply
Neutral
Electrical
Circuit
Breaker
L1
L2
To 208/240v
1 Phase
Power supply
5