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STEP 7 - Outside
WARNING
BEFORE PERFORMING ANY ELECTRICAL WORK, TURN OFF ALL
POWER TO THE SYSTEM.
1. Wire colors of this series / model may differ from previous
models, other series and general conventions.
2. All wiring must be performed in accordance with the
wiring diagrams shown here and
federal regulations.
4. Be sure to know whether your unit is 115 volt (12K only) or
208/230 volt (all other sizes). Incorrect voltage can cause
serious damage to the system and void the warranty.
5. A certified electrician is required to supply power from a
disconnect of an appropriate rating - see manual.
all municipal, state and
WIRE CONNECTING DIAGRAM
12K
OUTDOOR UNIT TERMINAL
models
only
1
2
3
L N
Y/G
GREEN
L N
1
2
3
115V
TO INDOOR UNIT
POWERSUPPLY
WIRE CONNECTING DIAGRAM
all
other
OUTDOOR UNIT TERMINAL
models
1
2
3
L1L2
Y/G
GREEN
L1 L2
1
2
3
208/230V
TO INDOOR UNIT
POWERSUPPLY
1. Remove the screws that attach the electrical cover to the
outdoor condenser.
2. Remove the large retaining nut from the end of the MC
Cable coming from the indoor air handler.
3. Now push the threaded end of the MC Cable through the
hole in the electrical cover you removed form the outdoor
condenser. Then, thread the retaining nut back onto the
end of the MC cable. Please refer to the images below.
4. Now, firmly and securely connect the wires of the MC
cable to the appropriate terminals of the outdoor
condenser by screwing the U-lug connector of each wire to
the correct terminal.
NOTE: Wires and terminals that are
numbered should be matched and connected
accordingly. If the unit is a 115 volt system (12K), hook
to terminals _L_ and _N_ and Ground. If the unit is a
208/230 volt system (all other sizes), hook to terminals
_L1_ and _L2_ and Ground. Use the image and wiring
illustrations to the bottom left as a guide.
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