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Toshiba
–18–
Outdoor Unit
Installation Manual
EN
12UNIT PUMP DOWN
• Use the refrigerant recovery switch on the terminal
block of the outdoor units to pump down the unit.
Procedure
1. Start cooling operation for a while, and then stop the
operation.
2. Turn on the power of the air conditioner.
3. Select the FAN mode for indoor unit operation with
the remote controller.
4. Press reftigerant recovery switch for 2 seconds or
more. The air conditioner enters the forced cooling
mode for up to 10 minutes.
Pump down the unit during this 10 minutes.
5. Upon completion of pump down the unit, close the
valve and press refrigerant recovery switch for at
least 2 second to stop operation.
6. Turn off the power.
DANGER
Be careful of electric shock because the P.C. board has
an electrical current running through it.
13POWER SAVE
• Power save can be set by setting SW801 dip switch.
Procedure
1. Turn on the SW801 dip switch 2 to activate Power
save.
Power save controls reducing compressor periodicity
(by approx. 10%) depending on the indoor unit heat
exchanger temperature in heating operation
* All switches are OFF as factory default.
CAUTION
Do not touch SW801 dip switch 1, 3.
If any changes are made, the unit may not work properly.
Refrigerant recovery switch
SW801
123
ON
SW801
... Power save setting
18-EN
+00EH99865301_00Ta.book Page 18 Wednesday, November 25, 2009 11:05 AM