Toshiba MMU-AP0074YH-E Service Manual page 32

NO. Item
Fan speed 1. The fan operates in one of the four speed modes of "HIGH (HH)", "MED (H)",
control "LOW (L)" and "AUTO" on the basis of a command issued via the remote
controller. (Concealed duct high static pressure type: HH only)
2. In AUTO fan speed mode, the air speed changes according to the difference
between Ta and Ts.
• Control is identical in remote controller thermo and body thermo operation.
• In AUTO fan speed mode, the fan speed remains the same for 3 minutes each
• At the beginning of cooling operation, a higher speed (steeper downward
• As long as the temperature difference remains on a boundary line, the fan speed
5
Figures inside ( ) applies to remote controller thermo operation.
Figures outside ( ) applies to body thermo operation.
Speed modes shown in < > apply to heating operation under AUTO air
conditioner operation mode.
• In AUTO fan speed mode, the fan speed remains the same for 1 minute each
• At the beginning of heating operation, a higher speed (steeper upward
• As long as the temperature difference remains on a boundary line, the fan speed
• When TC2
3. If the air conditioner goes thermo OFF during heating operation, the fan speed
drops down to LL (breeze).
Specification outline
<Cooling>
Speed modes shown in < > apply to cooling operation under AUTO air
conditioner operation mode.
time a speed change occurs.
However, a speed change command issued via the remote controller can
override this, and the fan speed changes accordingly.
temperature gradient) is chosen.
stays the same.
<Heating>
time a speed change occurs.
However, a speed change command issued via the remote controller can
override this, and the fan speed changes accordingly.
temperature gradient) is chosen.
stays the same.
60 °C, the fan speed is raised by one step.
31
Remarks
HH > H+ > H >
L+ > L > UL
or LL
DN code "32"
"0000": Body thermo
"0001": Remote
controller thermo
TC2: Indoor heat
exchanger sensor
temperature
"HEATING
STANDBY "
displayed