English
13
3. When including BS unit
8-3
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 parts of remote controller and, working from the
2 positions, pry off the upper part.
(Refer to Fig. 34)
(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 board to “S”.
(Leave the switch of the other remote controller set to “M”.)
(Refer to Fig. 35)
Wiring Method
(See ‘‘8. ELECTRIC WIRING WORK’’)
(1)
Remove the control box lid
(2) Add remote control 2 (slave) to the terminal block for
remote controller (P
1
, P
2
) in the control box.
(There is no polarity.)
<Caution>
• If using group control and two remote controllers at the
same time, connect remote controller 2 (SUB) to the indoor
unit which is at the end of the crossover wiring (P
1
, P
2
). (See
the figure below.)
• Group control is not possible between ceiling suspended
cassette type units and normal VRV indoor units.
8-4
CENTRALIZED CONTROL
• For centralized control, it is necessary to designate the
group No. For details, refer to the manual of each optional
controllers for centralized control.
9.
INSTALLATION OF CORNER COVER
AND AIR INTAKE GRILLE
• Attach the corner covers to the unit and lock in place by
screw. (The screws are taped to the corner covers.)
• For upward or rightward running pipes, cut the corner covers
as shown at Fig. 36 before attaching them.
(Refer to Fig. 36)
• Attach the air intake grille.
• Hook the strings to the unit to prevent the grille from drop-
ping.
(Refer to Fig. 37)
L N
L N
1 2 3
P
1
P
2
P
1
P
2
L N
OUT/D,
BS
IN/D
F
1
F
2
F
1
F
2
L N
IN/D OUT/D
F
1
F
2
F
1
F
2
Control box
F
1
F
2
F
1
F
2
1 2
TO indoor
3 F
1
F
2
L N
P
1
P
2
P
1
P
2
1 2
TO indoor
3 F
1
F
2
L N
OUT/D,
BS
IN/D
1 2 3
Power supply
Power supply
Outdoor unit
BS Unit A
BS Unit B
BEV Unit A
BEV Unit B
Indoor Unit A
Indoor Unit B
Indoor unit with cooling/heating selection
Remote controller
Remote controller
Remote controller
with selection
of cooling/heating
Refer to the installation
manual for the BEV
unit.
Insert the screwdriver here and gently
work off the upper part of remote controller.
Upper part of
remote controller
Fig. 34
Lower part of
remote controller
S
M
S
S
M
(Factory setting)
Fig. 35
(Only one remote controller needs to be changed
if factory settings have remained untouched.)
Remote controller
PC board
Indoor unit 1
Indoor unit 2
Final indoor unit
Remote
controller 1
(MAIN)
Remote
controller 2
(SUB)
Crossover
wiring (P
1
, P
2
)
Pipe hole area
Cut with saw, etc
Pipe hole area
Cut with saw, etc
For rear running piping
Fig. 36
For rightward running piping
Fig. 37
01_EN_3P086156-10X.fm Page 13 Wednesday, April 15, 2009 3:48 PM
