Haier HSU-12HM03 Operation Manual page 35

When connecting the cable after installing the indoor unit
1. Insert from outside the room cable into left side of the wall hole, in which the pipe has
already existed.
2. Pull out the cable on the front side, and connect the cable making a loop.
When connecting the cable before installing the indoor unit
Insert the cord from the back side of the unit, then pull it out on the front side.
Loosen the screws and insert the cord ends fully into terminal block, then
tighten the screws.
Pull the cable slightly to make sure the cord have been properly inserted and
tightened.
After the cord connection, never fail to fasten the connected cord with the
wiring cover.
Note: When connecting the cord, confirm the
terminal number of indoor and outdoor units
carefully. If wiring is not correct, proper operation
can not be carried out and will cause defect.
Indoor unit
Indoor Unit
1 (
L )
right
YEL/GRN
WHT
RED BLK
BLK
YEL/GRN
WHT
wrong
RED
Outdoor unit