Table Of Contents - Toshiba MMU-AP0091H Installation Manual

A direct current motor is adopted for indoor fan motor in the Concealed Duct Standard Type air conditioner.
Caused from its characteristics, a current limit works on the direct current motor. When replacing the high-
performance filter or when opening the service panel, be sure to stop the fan. If an above action is executed
during the fan operation, the protective control works to stop the unit operation, and the check code "P12"
may be appear. However it is not a trouble. When the desired operation has finished, be sure to reset the
system to clear "P12" error code using the electric leak breaker of the indoor unit. Then push the operation
ON/OFF button of the remote controller to return to the usual operation.
1. SELECTING A LOCATION FOR INSTALLATION ..................................... 4
2. SAFETY NOTES ......................................................................................... 9
3. CHECK POINTS ....................................................................................... 10
4. KEY POINTS OF AIR CONDITIONER INSTALLATION .......................... 11
5. REFRIGERANT PIPE INSTALLATION .................................................... 12
6. INDOOR UNIT INSTALLATION ................................................................ 42
7. OUTDOOR UNIT INSTALLATION ............................................................ 79
8. ELECTRIC WIRING .................................................................................. 86
9. INDOOR UNIT TERMINAL BOARD PLACEMENT AND WIRING ........... 97
10. DRAIN PIPE INSTALLATION ................................................................. 102
11. ADJUSTMENT OF AIR DIRECTION...................................................... 110
12. ADDRESS SETUP.................................................................................. 114
13. TEST OPERATION ................................................................................. 133
14. SUPPORT FUNCTION IN TEST OPERATION ....................................... 140
15. TROUBLESHOOTING ............................................................................ 162
16. AIR SPEED CHARACTERISTICS.......................................................... 167
17. FAN CHARACTERISTICS...................................................................... 172
18. APPLIED CONTROL .............................................................................. 176
NOTE
CONTENTS