2. GROUP CONTROL BY A SINGLE REMOTE CONTROLLER

A maximum of 50 units can be started in order according to the dip switch settings

2-1 How to wire

Figure 1

(1)

Connect the remote controller to the double terminal block

 

on the indoor controller board of the master unit, that is,

 

No.0 unit. (See Figure 1.)

(2)

Connect the double terminal block of the master unit to the

 

double terminal block of No.1 unit.

(3)

Connect the double terminal block of No.1 unit to the dou-

 

ble terminal block of No.2 unit.

(4)

Continue the process until all the units are connected with

 

two-wire cables. (See Figure 2.)

(5)

Remove the connector CN40 from the indoor controller

 

board of each unit except the master unit. (See Figure 3.)

To remote￿ controller

Master unit￿ electrical box

1 2 3

G R

L 2

L 1

To the next￿ unit

Next unit￿

2 3

electrical box

1

R

 

G

 

L 2

 

L 1

To the next￿ unit

The last unit￿ dose not have￿ this wire.

(6) Set the unit-address of each unit with SW2 on the indoor

controller board following the instructions below.

2-2 How to set unit-address

The unit-address also serves as a successive-start timer which starts each unit at intervals of 1 second. If two or more units have the same unit-address in a group control, operation stops due to system error. Be sure to set SW2 correctly following the instructions below.

(1)Each lever of SW2 shows the number as follows.

SW2-1 : 1 SW2-4 : 8

SW2-2 : 2 SW2-5 : 16

SW2-3 : 4 SW2-6 : 32

(2)Total number of levers turned to ON shows the address of the unit.

If you turn ON SW2-1 and SW2-2, the unit-address is set as No.3.

(3)In this way, set from the. master unit to the last unit. Do not forget to set the master (No. 0) unit.

Figure 2

 

 

 

Master￿

No.1 unit

No.2 unit

Last unit

unit

2-wire cable

 

 

 

Figure 3

Indoor controller board ▼

CN40 SW2

Setting examples

 

Master (No. 0) unit

No. 1 unit

No. 2 unit

No. 4 unit

No. 8 unit

No. 16 unit

No. 32 unit

 

ALL OFF

 

1 ON

 

2 ON

 

3 ON

 

4 ON

 

5 ON

 

6 ON

SW2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

6

 

6

 

6

 

6

 

6

 

6

 

 

5

 

5

 

5

 

5

 

5

 

5

 

5

 

 

4

 

4

 

4

 

4

 

4

 

4

 

4

 

 

3

 

3

 

3

 

3

 

3

 

3

 

3

 

1

2

1

2

1

2

1

2

1

2

1

2

1

2

 

 

 

 

 

 

 

 

Unit address & start

 

0

 

1

 

2

 

4

 

8

 

16

 

32

delay in seconds.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2-3 Unit control

The remote controller can control all units ON/OFF, temperature,air flow, and swing louver. However, the thermostat in each unit turns to ON or OFF individually to adjust the room temperature.

OC194-51

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Image 51
Mitsubishi Electronics PL18FK21, PL42FK21, PL36FK31 OC194-51, Group Control by a Single Remote Controller, ALL OFF SW2
Page 50 Page 52

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