Control Outline - Toshiba MMD-AP0481HF2UL Service Manual

8. CONTROL OUTLINE

No. Item
1 When power
supply is reset
2 Operation
selection
3 Remote
control setup
temperature
4 Capacity
control
5 PMV control
Outline of specifications
1) Distinction of outdoor units
When the power supply is reset, the outdoor units are
distinguished, and control is selected according to the
distinguished result.
2) If resetting the power during a problem, the check
code is cleared. After ON/OFF button on the remote
control is pushed to resume operation and the
problem persists, the check code is again displayed
on the remote control.
1) The operation mode is selected based on the
operation mode command on the remote control.
Command from
remote control
STOP
FAN
COOL
HEAT
* DRY or AUTO mode cannot be selected.
1) Adjustment range
Adjustment range
• In cooling or heating operation: 61 to 81 ˚F
[ 16 to 27 ˚C ]
At shipment from factory:
• In cooling operation: 64 ˚F [ 18 ˚C ]
• In heating operation: 77 ˚F [ 25 ˚C ]
1) Differed from other indoor air conditioners, the
Outside Air Unit usually operates with the maximum
capacity.
1) Outside Air Unit controls PMV using the corrected
value of each sensor according to the operation mode.
COOL
• SH control is performed by correcting indoor coil
temp (TC1) and inlet air temp. from outside (TA).
HEAT
• UC control is performed by correcting indoor coil
temp (TC2, TCJ) and inlet air temp. from outside
(TA).
2) The value displayed by monitor function of the remote
control switch becomes the corrected sensor data.
(See Monitor function of the remote control switch.)
Control outline
Outside Air Unit stops.
Fan operation
Cooling operation
Heating operation
– 23 –
Remarks
Data to be corrected:
Inlet air temp. from outside
(TA), Indoor coil temp
(TCJ, TC2, TC1)