Toshiba MMC-UP0151HP-E, Service Manual

Page: 68 / 295

6. CONTROL OUTLINE
Control Specifications
No.
1
2
3
Item
When power
supply is reset
Operation
mode selection
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
FAN
COOL
DRY
HEAT
AUTO
(
Heat recovery
system outdoor
unit type
)
Control outline
Air conditioner stops.
Fan operation
Cooling operation
Dry operation
Heating operation
• TA and Ts automatically select COOL/
HEAT operation mode for operation.
• The operation is performed as shown in
the following figure according to TA value
at the first time only.
(In the range of Ts – 1 < TA < Ts + 1,
Cooling thermostat OFF (Fan) / Setup air
volume operation continues.)
∗
Only
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 ] and
[READY ]. To clear the alternate flashing, change the
mode on the wireless remote controller.
1) Adjustment range: Remote controller setup temperature (˚C)
Remarks
TA: Room temp.
Ts: Setup temp.
∗
For
Heat recovery
system outdoor unit
type
Cooling thermostat OFF
(at the first time only)
Cooling
thermostat ON
Heating
thermostat ON
TA
(˚C)
–1.0
Ts
+1.0
Wired type
Wireless type
COOL/DRY
18 to 29
17 to 30
HEAT
18 to 29
17 to 30
AUTO
∗
18 to 29
17 to 30
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