SMMS High-Wall Type
Installation Manual
– 20 –
EN
Wiring connection for flow selector unit
How to connect the wiring of flow selector unit
Connect the power supply wire and the communication wire supplied with the flow selector unit to the indoor
unit.
1. Remove the air inlet grille.
Open the air inlet grille upward and pull it toward you.
2. Remove the four screws securing the front panel.
3. Slightly open the lower part of the front panel, and then pull the upper part of the front panel
toward you to remove it from the rear plate.
4. Remove the terminal cover and the clamp base.
5. Insert the control wire fully into the control/wired remote controller terminal block and secure
it tightly with screws.
6. Connect the control wire connector of the flow selector unit to the lead with a connector to the
left of the control/wired remote controller terminal block.
7. Clamp the control wire and the control wire of the flow selector unit with the cord clamp.
8. Install the clamp base with a screw.
9. Insert the power supply wire fully into the terminal block and secure it tightly with screws.
Tightening torque: 1.2 N·m (0.12 kgf·m)
Secure the earth line with the earth screw.
10.Clamp the power supply wire with the cord clamp.
11.Insert the power supply wire fasten terminal of the flow selector unit into the power supply
terminal.
Secure the earth line with the earth screw.
12.Clamp the power supply wire of the flow selector unit tight with the cord clamp.
13.Attach the terminal cover, the front panel and the air inlet grille to the indoor unit.
CAUTION
Confirm that every wires are stored in the electric parts box without getting caught before attaching the
terminal cover.
R(L)
A
B
U
1
U
2
S(N)
Power supply
terminal block
Earth screw
for flow
selector unit
Cord clamp
Power
supply wire
of flow
selector unit
Cord clamp
Power supply wire
Terminal
block for
control/wired
remote
controller
wiring
Control wire
Control wire
from the
flow selector
Connector
20-EN
