Electrical Connections - MrCool DIY E Star Series Owners & Installation Manual

Electrical Connections

Connect signal and power cables
The outside unit's terminal block is protected by an electrical wiring cover on the side of the unit.
A comprehensive wiring diagram is printed on the inside of the wiring cover.
BEFORE PERFORMING ANY ELECTRICAL WORK, TURN OFF ALL POWER TO THE SYSTEM.
Note that wire colors of this series / model may differ from previous models, other series and
general conventions. All wiring must be performed in accordance with the wiring diagrams
shown in Fig. 7.1 and demonstrated in the images below.
WIRE CONNECTING DIAGRAM (12K Unit Only)
OUTDOOR UNIT TE R MINAL
1 2 3
GREEN
1 2 3
TO INDOOR UNIT
(Communications Wire)
DO NOT MIX UP LIVE AND NULL
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
shown in Fig. 7.1 and demonstrated in
the images shown here.
Page 31
L N
Y/G
L N
115V
POWE R S UPPLY
mrcool.com
WIRE CONNECTING DIAGRAM (All Other Units)
OUTDOOR UNIT TE R MINAL
GREEN
Fig. 7.1
TO INDOOR UNIT
(Communications Wire)
WIRES AND TERMINALS ARE NUMBERED
MATCH AS SHOWN
7
1 2 3 L1L2
Y/G
L1 L2
1 2 3
208/ 230V
POWE R S UPPLY