Dacor Millennia MRES30 Installation Instructions Manual - page 7
6
Option 1 - Connecting to a Four-Wire
Electrical System. (Recommended)
1. Separate the green and white
appliance wires.
2. Connect the white appliance wire to
the neutral (white) supply wire in the
junction box.
3. Connect the black appliance wire to
the black (L1) power supply wire in the
junction box.
4. Connect the red appliance wire to
the red (L2) power supply wire in the
junction box.
5. Connect the green appliance wire to
the green house grounding wire in the
junction box.
Option 2 - Connecting the Green
Appliance Wire to the Neutral (White)
Supply Wire – Where Local Codes
Permit)
WARNING:
**Do not connect the green
appliance wire to the neutral
(white) supply wire unless local
building codes permit.
1. Connect the green and white
appliance wires to the neutral (white)
supply wire in the junction box.
2. Connect the black appliance wire to
the black (L1) power supply wire in the
junction box.
3. Connect the red appliance wire to
the red (L2) power supply wire in the
junction box.
Option 3 - Connecting the Green
Appliance Wire to a Grounded Supply
Wire or a Grounded Cold Water Pipe –
Where Local Codes Permit
1. Separate the green and white
appliance wires.
2. Connect the white appliance wire to
the neutral (white) supply wire in the
junction box.
3. Connect the black appliance wire to
the black (L1) power supply wire in the
junction box.
4. Connect the red appliance wire to
the red (L2) power supply wire in the
junction box.
5. Connect the green appliance wire to
a grounded supply wire in the junction
box or to a grounded cold water pipe.
6. If connecting to a grounded cold water
pipe, a separate copper grounding
wire (No. 10 minimum) must be
connected to a grounded cold water
pipe by means of a clamp and then
to an external grounding connector
screw.
7. A 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
length of No. 4 copper wire securely
clamped to bare metal at both ends.
Conduit from
appliance
Cable from
power supply
Wire nut
(3 places)
Junction
box
RED
RED
GREEN
WHITE
WHITE
BLACK
BLACK
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
Option 3
- Connecting the appliance ground to a grounded
junction box wire or grounded cold water pipe
Conduit from
appliance
Cable from
power supply
Wire nut
(4 places)
Junction
box
RED
RED
GREEN
GREEN
WHITE
WHITE
BLACK
BLACK
Option 1
- Connecting the appliance
to a four-wire power supply
Option 2
-
Connecting the appliance to
a three-wire power supply**