Installation manual

English 21
10-7 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 screwdriver into the recess between the upper and lower part of remote controller and, work-
ing from the 2 positions, pry off the upper part. (The remote controller PC board is attached to the upper
part of remote controller.) (Refer to Fig. 34)
(2) Tu r n t h e main/sub changeover switch on one of the two remote controller PC boards to “S”. (Leave the
switch of the other remote controller set to “M”.) (Refer to Fig. 35)
Wiring Method (See ‘‘8. ELECTRIC WIRING WORK’’)
(3) Remove the terminal box lid
(4) Add remote controller 2 (slave) to the terminal block for remote controller (P
1
, P
2
) in the terminal
box. (There is no polarity.) (Refer to Fig. 32 and Table 4)
PRECAUTION
For simultaneous operation system, connect the remote controller cord to the master unit.
11. INSTALLATION OF THE DECORATION PANEL
<Read ‘‘12. TEST OPERATION’’ before making a test run without attaching the decorated panels.>
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.
12. TEST OPERATION
Refer to the section of “FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE DURING CONSTRUC-
TION AND CHECK AFTER INSTALLATION IS FINISHED.” .
• After finishing the construction of refrigerant piping, drain piping, and electric wiring, conduct test operation
accordingly to protect the unit.
12-1 HOW TO TEST OPERATION
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.
9. If the decoration panel has not been installed, turn off the power after the test operation.
S
M
S
S
M
Remote
controller
PC board
(Factory setting)
(Only one remote
controller needs
to be changed if
factory settings
have remained
untoched.)
Upper part of
remote controller
Lower part of
remote controller
Insert the screwdriver here
and gently work off the
upper part of remote controller.
Fig. 34
Fig. 35
TEST
TEST
01_EN_3P184443-6.fm Page 21 Monday, July 3, 2006 12:04 PM