Daikin FXAQ20PVE Installation Manual page 20

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 part of remote controller and,
working from the 2 positions, pry off the upper part.
The remote controller PC board is attached to the upper
part of the remote controller. (Refer to Fig. 28)
(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. 29)
Wiring Method (See ''7.ELECTRIC WIRING WORK'')
(3) Remove the service cover.
(4) Add remote control 2 (slave) to the terminal block
(6P) for remote controller (P
(There is no polarity.) (Refer to Fig. 26 and section
7-3 for the wiring size.)
8-4 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 (6P) for remote controller.
Input A
F2 T1 T2
FORCED
OFF
Fig. 30
(2) Actuation
• The following table explains FORCED OFF and ON/OFF OPERATIONS in response to Input A.
FORCED OFF
Input "ON" stops operation (impossible by remote controllers).
Input OFF enables control by remote controller.
(3) How to select FORCED OFF and ON/OFF OPERATION
• Turn the power on and then use the remote controller to select operation.
8-5 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.
English
, P ) in the control box.
1 2
Wire specification
Gauge
Length
External terminal
Insert the screwdriver here
and gently work off the
upper part of the remote controller.
S S
(Factory setting)
M
(Only one remote
controller needs S
M
to be changed if
factory settings
have remained
untouched.)
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 15V DC, 1 mA.
ON/OFF OPERATION
Input OFF → ON turns ON unit.
Input ON → OFF turns OFF unit.
Upper part of
remote controller
Lower part of
remote controller
Fig. 28
Remote
controller
PC board
Fig. 29
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