Fujitsu ASG30LMTA Service Instruction page 27

5. Precautions & Restrictions
1) While performing Server room control, the following function cannnot be used.
• Operation modes other than cooling
• Airflow modes other than HIGH
• POWERFUL mode
• 10 HEAT operation
• ECONOMY operation
• On/Off timer, Program time, and Sleep timer
• Weekly timer on the secondary unit
• Human sensor function
• Starting operation on the secondary unit
• Temperature setting other than 24
* Temperature correction is possible
2) For stopping the system operation, shutdown the power supply.
*Stop operation by the Remote controller is impossible.
3) For canceling the server room control, refer to 9. Canceling procedure of Server room
control.
4) The Pump down operation has to be performed by Pump down SW on the outdoor unit's PCB.
*The forced operation by pushing MANUAL AUTO button is not available.
5) Error memory indication function is not available.
6) When the following setting needs to be changed, set the remote controller "Mode Cooling", and
"High FAN mode"
• Air flow direction (UP/Down,Right/Left, Swing)
• Low noise mode
• Clock adjust
• Weekly timer
7) Procedure of when one of system needs a maintenace (repair / trouble shooting)
1. Shutdown the system
2. Disconnect the Indoor unit communication cable
3. Turn ON the operable system
When the operable system is in operating, IU will show the Error 12 after system starting.
*
4. Start the Maintenance.
Note: How to define the Primaly system and the Secondary system
Send the weekly timer setting signal from the wireless remote controller.
- The Primaly system can receive the signal.
(IU reacts with beep sound " Pi " and the Operation LED blink.)
- The Secondary system cannot receive the signal
(IU reacts with beep sound " Pi Pi----" and the 3 LEDs blink.)
6. External Input & Output function
The External Input & the External Output functios are available.
For the setting detail, refer to the technical manual
Input
• Operation / Stop*
• Forced Thermostat OFF*
*Not available on the Secondary units
AMP Air Conditioning
*
Output
• Operation / Stop
• Error status
• Indoor unit fan operation status
• Set point attainment status
01-25
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