Toshiba A90-0132, Service Manual

Page: 138 / 176

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18
Trial operation
Service support function
Function to start/stop (ON/OFF) indoor unit from outdoor unit
A function to start/stop the following indoor units by switch operation on the interface PC board is provided.
No. Function Outline Clear set-up
(1) Trial cooling The modes of all the connected indoor units are [Set-up]
operation collectively changed to trial cooling operation modes. Push SW04 for 2 seconds or more under condition
of SW01 “2”, SW02 “5”, SW03 “1”.
NOTE:
Control operation is the same as that of normal trial [Clear]
operation from the remote controller Returns SW01, SW02 and SW03 to “1”.
(2) Collective All the connected indoor units are operated [Set-up]
operation collectively. Push SW04 for 2 seconds or more under condition
of SW01 “2”, SW02 “7”, SW03 “1”.
NOTE:
Operation contents match the set-up on the remote [Clear]
controller. Returns SW01, SW02 and SW03 to “1”.
Collective All the connected indoor units are stopped [Set-up]
stop collectively. Push SW05 for 2 seconds or more under condition
of SW01 “2”, SW02 “7”, SW03 “1”.
[Clear]
Returns SW01, SW02 and SW03 to “1”.
(3) Individual The specified indoor unit is operated. [Set-up]
operation To operate SW01 “16”, SW02 and SW03
NOTE:
Set to the indoor address No. (1 to 40), and push
Operation contents match the set-up on the remote SW04 for 2 seconds or more.
controller.
Other indoor units stay as they are.
[Clear]
Returns SW01, SW02 and SW03 to “1”.
Individual The specified indoor unit is stopped. [Set-up]
stop Setting SW01 “16”, SW02 and SW03 to the address
NOTE:
No. (1 to 40) of the indoor unit to be operated, push
Other indoor units are as they are. push SW05 for 2 seconds or more.
[Clear]
Returns SW01, SW02 and SW03 to “1”.
NOTE:
This start/stop function is only to send the mode signals such as stop/operation mode, etc. from outdoor unit to indoor unit.