„Indoor unit power-ON sequence

Power ON

<By feed unit>

<Automatic address judgment>

•The unit without power feed waits entirely → Waiting status is released by system start

•Reboot when power is fed on the way

Not normal

NO

Gr construction check

Normal

∗Gr normal

1)There is no duplicated indoor unit address.

2)There is no invalid indoor unit address.

3)Individual unit and master/follower units are not intermingled.

4)Only a unit for individual.

5)A master indoor unit and 1 or more follower indoor units for Gr.

3 minutes elapse

YES

System start

Automatic address starts.

(Approx. 1 minute up to finish)

<Initial communication>

Outdoor model distinction (10 seconds) (Indoor unit)

 

 

 

 

 

 

 

 

 

 

<Cautions at test run>

 

 

 

Twin Master/follower distinction (Indoor unit)

 

 

•

Power supply/Indoor/Outdoor serial and Gr wiring: OK

 

Gr construction, louver information (Remote controller)

 

 

 

 

 

•

Powers of all indoor units are turned on within 3 minutes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

Reception time for remote controller operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(After power supply was turned on)

 

 

 

 

 

 

 

 

 

1) When address is OK : Approx. 50 seconds

 

 

 

 

 

 

 

 

 

2) In AUTO address

: Approx. 4 to 5 minutes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remote controller operation is available.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Approx. 50 seconds after power-ON)

 

 

 

 

 

 

 

<Usual regular

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

communication>

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Regular communication between indoor units (Every 30 seconds) (Master/Follower)

 

 

(Repetition)

Regular communication on the identical pipe (every 30 seconds) (Twin Master/Follower)

 

 

 

 

 

 

(When the above status changes, immediately communicates.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•In a group operation, if the indoor unit which was fed power after judgment of automatic address cannot receive regular communication from the master unit and regular communication on identical pipe within 120 seconds after power was turned on, it reboots (system reset).

→The operation starts from judgment of automatic address (Gr construction check) again.

(If the address of the master unit was determined in the previous time, the power fed to the master unit and reboot works, the master unit may change though the indoor unit line address is not changed.)

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Toshiba RAV-SM1403AT-E1 „ Indoor unit power-ON sequence, By feed unit Automatic address judgment, Initial communication
Page 63 Page 65

RAV-SM1403AT-E1 specifications

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