8
8. Detach the remote controller from the slave unit after the
setting, and reattach to the master unit. This is the end of the
setting procedure.
•
You do not need to rewire the remote controller from the
master unit if the optional remote controller for slave unit is
used. (However, remove the wires attached to the remote
controller terminal board of the master unit.)
Control by 2 Remote Controllers (Controlling 1 indoor
unit by 2 remote controllers)
•
When using 2 remote controllers, one must be set to "MAIN"
and the other to "SUB".
MAIN/SUB CHANGEOVER
1. Insert a wedge-head screwdriver into the recess between the
upper and lower part of the remote controller and, working
from the 2 positions, pry off the upper part. (see figure 20)
(The remote controller PC board is attached to the upper part
of the remote controller.)
2. Turn the main/sub changeover switch on one of the two
remote controller PC boards to "S". (see figure 22)
(Leave the switch of the other remote controller set to "M".)
1
Remote controller PC board
2
Factory setting
3
Only one remote controller needs to be changed
NOTE
For simultaneous operating system, connect the remote
controller cord to the master unit.
INSTALLATION OF THE DECORATION PANEL
Refer to the installation manual attached to the decoration panel.
After installing the decoration panel, ensure that there is no
space between the unit body and decoration panel. Otherwise air
may leak through the gap and cause dew drop.
TEST OPERATION
Refer to the section of “FOR THE FOLLOWING ITEMS, TAKE
SPECIAL CARE DURING CONSTRUCTION AND CHECK
AFTER INSTALLATION IS FINISHED” (p. 2).
•
After finishing the construction of refrigerant piping, drain
piping, and electric wiring, conduct test operation accordingly
to protect the unit.
TEST OPERATION AFTER INSTALLING DECORATION PANEL
1. Open the gas side stop valve.
2. Open the liquid side stop valve.
3. Electrify crank case heater for 6 hours.
4. Set to cooling operation with the remote controller and start
operation by pushing ON/OFF button.
5. Press Inspection/Test Operation button 4 times (2 times for
wireless remote controller) and operate at Test Operation
mode for 3 minutes.
6. Push air flow direction adjust button to make sure the unit is
in operation.
7. Press Inspection/Test Operation button and operate normally.
8. Confirm function of unit according to the operation manual.
TEST OPERATION BEFORE INSTALLING DECORATION
PANEL (NOTE 3)
1. Open the gas side stop valve.
2. Open the liquid side stop valve.
3. Electrify crank case heater for 6 hours.
4. Set to cooling operation with the wired remote controller and
start operation by pushing ON/OFF button. “A7” appears on
the display.
5. Press Inspection/Test Operation button on the remote
controller and operate at Test Operation mode for 3 minutes.
6. Press Inspection/Test Operation button and operate normally.
7. Confirm function of unit according to the operation manual.
8. Turn off the main power supply after operation.
PRECAUTIONS
1. In case something is wrong with the unit and it does not
operate, refer to the malfunction diagnosis label attached to
the unit.
2. Refer to the installation manual attached to the outdoor unit
in case of Individual Operation System type.
3. Conduct test operation after installing decoration panel if the
wireless remote controller is used.
