Fujitsu ASG30LMTA Service Instruction page 32

8-2 Function setting procedure
Before activating server room control, assignment of primary unit and secondary unit is required
Change the setting of function setting 96 as follows:
1. Turn on the power source of 2 indoor units.
2. Set one of the indoor unit as "Primary unit" (Setting value: 01) by function setting 96. (For
contents of function setting 96, refer to the Technical manual)
When performing the setting, operate the remote controller close to the signal receiver on the
primary unit as possible so that the signal transmission is firmly received by the primary unit only.
3. Set the other unit as "Secondary unit" (Setting value: 02) by function setting 96.
When performing the setting, operate the remote controller close to the signal receiver on the
secondary unit as possible so that the signal transmission is firmly received by the secondary
unit only.
4. Turn off the power supply of the 2 indoor units.
8-3 Starting units operation
After the setting change on function setting 96 is completed, do as follows:
1. After 30 seconds or more since the power source is turned off, turn on the power source of the
secondary unit.
2. Turn on the power source of the primary unit.
3. Press the MANUAL AUTO button on the primary unit for more than 3 seconds.
You will hear a short beep, and the primary unit starts operation.
NOTE: While performing these steps, error indications will be lit on the unit. Nevertheless,
continue the procedure.
8-4 Starting Server room control
Set the weekly timer on the primary unit.
Example of setting: Monday_0:00_ON - Thursday_12:00_OFF
Primaly unit: Operation start on Monday_0:00 --> Operation stop on Thursday_12:00
Secondary unit: Operation start on Thursday_12:00 --> Operation stop on Monday_0:00
(For the weekly timer setting procedure, refer to the OPERATION MANUAL)
Server room control is activated, and the unit will start the alternative operation.
NOTE: If the alternative operation does not start or error indications on the unit are still lit, reconfirm
whether the settings on function setting 96 are set correctly, and perform the setup procedures
from the beginning.
As for the display pattern of the error indications of the indoor unit, refer to 2-1 ERROR DISPLAY.
9 Canceling procedure of Server room control
Step 1. Turn OFF both system
Step 2. Disconeect the indoor unit communication cable
Step 3. Turn ON both system
Step 4. Change the Fuction setting 96 to 00 both system
*When the Indoor units start the operation, push MANUAL AUTO button more than 3 sec.
After the Indoor units stopped, apply the function setting.
The Indoor units shows Error 12, until the new setting is completed.
Step 5. Turn OFF both system.
*When the Indoor unit shows Error, repeat from the step 3.
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