Daikin FAQ18PVJU 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 lid.
(4) Add remote control 2 (slave) to the terminal block
(6P) for remote controller (P1, P2) in the electric
parts box.
(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 specifi cations and how to perform wiring
• Connect the input from outside to terminals T1 and T2 of the terminal block (6P).
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.
19
Insert the screwdriver here
and gently work off the
upper part of the remote controller.
(Factory setting)
(Only one remote
controller needs
to be changed if
factory settings
have remained
untouched.)
Wire specifi cation Sheathed vinyl cord or cable (2 wire)
Gauge AWG18-16
Length Max. 328 ft.
Contact that can ensure the minimum
External terminal
applicable load of 15V DC, 10 mA.
Upper part of
remote controller
Lower part of
remote controller
S S
M
Remote
controller
PC board
S
M
Fig. 29
ON/OFF OPERATION
Input OFF → ON turns ON unit.
Input ON → OFF turns OFF unit.
Fig. 28
English