Daikin BRC1E51A7 Installation Manual download pdf (Page 24)

22 English

When implementing group control

• When using as a pair unit or as a parent unit for simultaneous operation multi, you may simultaneous start/

stop (group) control up to 16 unit with the remote controller.

•

In this case, all the indoor units in the group will operate in accordance with the group control remote controller.

Wiring Method

(1) Remove the control box lid. (See ‘‘8. ELECTRIC WIRING WORK’’.)

(2) Cross-wire the terminal block for remote controller (P

) inside the control box. (There is no

polarity.) (Refer to Fig. 32 and Table 4)

Two remote controllers control (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

• The settings of the BRC1E51A7 remote controller should be switched while referring to the manual sup-

plied with the remote controller.

The settings of the BRC1D528 remote controller should be switched in accordance with the following pro-

cedure.

(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 remote controller.) (Refer to Fig. 35)

(2) Tu r n 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. 36)

Outdoor unit 1

Outdoor unit 2

Outdoor unit 16

Indoor unit 1

Indoor unit (slave)

Indoor unit 2

(master)

Group control remote controller

Indoor unit 16

Fig. 33

P1 P2 P1 P2

Indoor unit

Remote

controller

Remote

controller

(Slave)

Outdoor unit

Main power supply

Main switch

Fuse

2 remote controllers control

(Optional accessories)

123

P1 P2

Outdoor unit

Indoor unit

(slave)

Indoor unit

(master)

Remote

controller 1

Remote

controller 2

Fig. 34

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 30 31 32

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Daikin BRC1E51A7 Installation Manual Page 24

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