Use and Care Manual

Page 40mrcool.com
Cassette Panel Installation & Wireless Controller Module
Step 2: Connect Panel Display Board to
Indoor Unit Main Control Board
In this step, you will connect the panel wiring
harness for the display board to the main control
board of the indoor unit.
1. Connect each connector of the panel wiring
harness to its corresponding port on the main
control board. The corresponding connectors
and ports should be color-coded match one
another. Please refer to Fig. 7.5 below for an
illustration of the connectors and ports of the
main control board.
2. When the connections are complete, please clip
the wires to the buckle of the main control
board. Refer to Fig. 7.5 below.
3. Reinstall the control box cover you removed
earlier in the installation by reinstalling the two
screws. Then, flip the circuit breaker switch to
the ON position. Refer to Fig. 7.6 below.
When connections are completed, please
clip the wires to the buckle.
Air
Deflector
(louver)
(White
5-Core)
WiFi
(4-Core)
Display
Panel
(White
10-Core)
Air Intake
Grille
Lift
(Red
5-Core)
4. Close both sides of the panel.
5. During the test-run portion of the installation the
air intake grille will automatically retract and the
display panel will illuminate.
Step 3: Install Wireless Controller Module
If you have selected the wireless control module it is
recommended that it be installed during this portion
of the installation process. Please follow the steps
below to install the module into the cassette.
1. Remove the protective cap of the wireless
module (refer to Fig 7.7 below).
2. Open the side panel of the cassette that contains
the display panel. On the back of the panel is a
cover that is held in place with a screw. Loosen
the screw and remove the panel (see Fig. 7.8
below).
Circuit
Breaker
Switch
Control Box
Cover Screws
Loosen the screw
and remove the cover.
Fig. 7.5
Fig. 7.6
Fig. 7.7
Fig. 7.8