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11
Installation Instructions
Connecting to a Three Wire Electrical
System - Where Local Codes Permit
WARNING
Do not connect the green appliance conduit wire to the
neutral (white) junction box wire unless local building
codes permit.
Separate the wires coming out of the appliance conduit.
1.
Connect the green and white wires from the appliance 2.
conduit to the white (neutral) supply wire in the junction
box.
Connect the black wire from the appliance conduit to 3.
the black (L1) supply wire in the junction box.
Connect the red wire from the appliance conduit to the
4.
red (L2) supply wire in the junction box.
Conduit from
appliance
Cable from
power supply
Wire nut
(3 places)
Junction
box
RED
RED
GREEN
WHITE
WHITE
BLACK
BLACK
Connecting to a Three Wire Electrical
System with External Ground - Where Local
Codes Permit
WARNING
Do not connect the green appliance wire to the junc-•
tion box or to a cold water pipe unless local building
codes permit.
Do not ground the appliance to a gas supply pipe or •
hot water pipe.
If connecting the ground wire to a grounded cold •
water pipe, connect using a separate copper
grounding wire (No. 10 minimum) and a clamp with
an external grounding screw. The grounded cold
water pipe must have metal continuity to electrical
ground and must not be interrupted by insulating
materials. Any insulating materials must be jumped,
with a minimum, 4 AWG wire to establish continuity
to ground.
NOTE
If the junction box has been properly grounded by a
licensed electrician, the green (ground) wire from the
appliance conduit may be connected to the junction box
using a loop terminal.
See the diagram on the following page. To connect the
green appliance conduit wire to a grounded cold water
pipe:
Separate the wires coming out of the appliance conduit.
1.
Connect the white wire from the appliance conduit to 2.
the white (neutral) supply wire in the junction box.
Connect the black wire from the appliance conduit to
3.
the black (L1) supply wire in the junction box.
Connect the red wire from the appliance conduit to the 4.
red (L2) supply wire in the junction box.
Connect the green wire from the appliance conduit to a
5.
grounded cold water pipe as shown. Jumper any insu-
lating materials as shown above with a length of No. 4
copper wire. Securely clamp the wire to bare metal at
both ends.
Conduit from
appliance
Cable from
power supply
Wire nut
(4 places)
Junction
box
RED
RED
GREEN
GREEN
WHITE
WHITE
BLACK
BLACK
Separate No. 10 (minimum)
copper grounding wire
Clamp must be
tight on pipe
No. 4
copper wire
Metal
water pipe
Clamps
Bare metal
Meter