Daikin FXAQ09MVJU Installation Manual download pdf (Page 20)

NOTE

1. A single switch can be used to supply power to units on the same system. However, branch switches and

branch circuit breakers must be selected carefully.

2. Do not ground the equipment on gas pipes, water pipes, lightning rods or telephone ground wires.

Improper grounding could result in electric shock.

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 (P

, P

) 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 specifications and how to perform wiring

• Connect the input from outside to terminals T1 and T2 of the terminal block (6P).

Wire specification Sheathed vinyl cord or cable (2 wire)

Gauge AWG18-16

Length Max. 328 ft.

External terminal

Contact that can ensure the minimum

applicable load of 15V DC, 10 mA.

Upper part of

remote controller

Lower part of

remote controller

Insert the screwdriver here

and gently work off the

upper part of the remote controller.

Fig. 28

Remote

controller

PC board

(Factory setting)

(Only one remote

controller needs

to be changed if

factory settings

have remained

untouched.)

Fig. 29

Input A

Fig. 30

F2 T1 T2

FORCED

OFF

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Daikin FXAQ09MVJU Installation Manual Page 20

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