Daikin FHQ125CAVEB Installation Manual download pdf (Page 24)

23 English

When implementing group control

• When using as a pair unit or as a master unit for simultaneous operation system, you may carry out simul-

taneous start/stop (group) control up to 16 units with the remote controller. (Refer to Fig. 34)

• In this case, all the indoor units in the group will operate in accordance with the group control remote con-

troller.

• Select a remote controller which matches as many of the functions (airflow direction, etc.) in the group as

possible.

Wiring Method

(1) Remove the control box lid. (Refer to ‘‘9. HOW TO CONNECT WIRINGS AND WIRING EXAMPLE’’.)

(2) Connect crossover wiring between the terminals (P1, P2) inside the control box for the remote controller.

(There is no polarity.) (Refer to Fig. 33 and Table 3)

Fig. 34

Outdoor unit 1 Outdoor unit 2 Outdoor unit 16

Indoor unit 1

Group control remote contoller

Indoor unit 2

(Slave)

Indoor unit 2

(Master)

Indoor unit 16

Fig. 35

Terminal for remote controller wiring (P1, P2)

Crossover wiring

Remote

controller

Transmission

wiring

Remote

controller

Transmission

wiring

Indoor unit 1 Indoor unit 2 (Master)

Terminal block

(X1M)

Terminal block

(X1M)

to next unit

F2P2 F1P1P2P1 F1 F2

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Daikin FHQ125CAVEB Installation Manual Page 24