7
Electrical Connections
Page 34
mrcool.com
WIRES
This is dangerous and can cause the air
conditioning unit to malfunction. Make
sure you clearly distinguish the Live
(
”L”
)
Wires from the other wires.
All wiring must be performed in
accordance with the wiring diagrams
the images shown here.
general conventions.
below.
TO INDOO UNIT
115
POWER SUPPLY
Y/G
RE
D
3
2
L N
1
3
2
1
W
HI
TE
BL
AC
K
L N
OUTDOO UNIT TE MIN
L
TO INDOO UNIT
208/230
POWER SUPPLY
Y/G
RE
D
3
2
L1L2
1
3
2
1
W
HI
TE
BL
AC
K
L1L2
OUTDOO UNIT TE MIN
L
Fig. 7.1
WIRE CONNECTING DIAGRAM (9K & 12K Units)
Connect the MC-Cable/signal wire and power cable
A comprehensive wiring diagram is printed on the inside of the wiring cover.
WIRES AND TERMINALS ARE NUMBERED
TO CORRESPOND WITH ONE ANOTHER
AS SHOWN BELOW.
ALL WIRING MUST BE INSTALLED BY A LICENSED ELECTRICIAN AND COMPLY WITH LOCAL, STATE,
AND NATIONAL ELECTRICAL CODES.
BEFORE PERFORMING ANY ELECTRICAL WORK, TURN OFF ALL POWER TO THE SYSTEM.
