Control Outline - Toshiba MMU-UP0071MH-UL Service Manual

6. CONTROL OUTLINE

Control Specifications
No. Item
1 When power
supply is reset
2 Operation
mode selection
3 Room temp.
control
Outline of specifications
1) Distinction of outdoor unit
When the power supply is reset, the outdoors are
distinguished and the control is selected according to the
distinguished result.
2) Setting of indoor fan speed and existence of air direction
adjustment
Based on EEPROM data, select setting of the indoor fan
speed and the existence of air direction adjustment.
3) If resetting the power supply during occurrence of a
trouble, the check code is once cleared. After ON/OFF
button of the remote controller was pushed and the
operation was resumed, if the abnormal status continues,
the check code is again displayed on the remote controller.
1) Based on the operation mode selecting command from the
remote controller, the operation mode is selected.
Remote
controller
command
STOP Operation stops.
FAN Fan operation
COOL Cooling operation
DRY Dry operation
HEAT Heating operation
AUTO • TA and Ts automatically select COOL/
Heat recovery HEAT operation mode for operation.
system outdoor
• The operation is performed as shown in
unit type
the following figure according to TA value
at the first time only.
(In the range of Ts –1.8 (–1) < TA < Ts +
1.8 (+1), Cooling thermostat OFF (Fan) /
Setup air volume operation continues.)
+1.8 (+1)
Cooling thermostat OFF
TA
Ts
(at the first time only)
°F (°C)
–1.8 (–1)
thermostat ON
∗ Heat recovery system outdoor unit type can select
automatic mode.
While a wireless remote controller is used, the mode is
notified by "Pi Pi" (two times) receiving sound and the
alternate flashing of [TIMER
To clear the alternate flashing, change the mode on the
wireless remote controller.
1) Adjustment range: Remote controller setup temperature (°F [°C])
COOL/DRY
Wired type
Wireless type
Control outline
Cooling
thermostat ON
Heating
] and [READY
HEAT
64°F [18°C] to 84°F [29°C]
62°F [17°C] to 86°F [30°C]
– 28 –
Remarks
TA: Room temp.
Ts: Setup temp.
].
* Heat recovery system
AUTO∗
only