Daikin VRV III Manual page 86

ED34-862
9-3 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 screw driver 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. 32)
(2) Turn the 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. 33)
Only one remote controller needs
to be changed if factory settings
have remained untoched.
Wiring Method (See ''ELECTRIC WIRING WORK'')
(3) Remove the terminal box lid
(4) Add remote control 2 (slave) to the terminal block for remote controller (P1, P2) in the terminal box.
(There is no polarity.) (Refer to Fig. 30 and 8-3.)
9-4 Computerised control (forced off and on/off operation)
(1) Wire specifications and how to perform wiring
• Connect the input from outside to terminals T1 and T2 of the terminal block for remote controller.
Wire specification
Gauge
Length
External terminal
21
FXFQ-P
Insert the screwdriver here and gently work
off the upper part of remote controller.
S S
(Factory setting)
M
S
M
Fig. 33
F2
Sheathed vinyl cord or cable (2 wire)
2
0.75 - 1.25 mm
Max. 100 m
Contact that can ensure the minimum applicable load of 15 V DC, 10 mA.
Upper part of
remote controller
Lower part of
remote controller
Fig. 32
Remote
controller
PC board
T1 T2
FORCED
OFF
Input A
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Installation Manual
2
English
3P161684-3B
81