Toshiba MMD-AP0186HP-E Service Manual page 25

NO. Item
Cold air
discharge
prevention
control
6
Freeze
prevention
control (low
temp. release)
7
AMP Air Conditioning
Specification outline
1. In heating operation, the upper limit of the fan tap is set according to the
lower of whichever is the higher between TC2 sensor and TCJ sensor
temperatures, on the one hand, and TC1 sensor temperature, on the
other.
• If the fan continuously operates in zone B for 6 minutes, it automatically
moves into zone C.
• During defrosting, the control point is shifted by +6 °C.
˚C
32
D
30
C
28
26
20
16
1. During cooling, the air conditioner is operated in the manner described
below according to the temperature readings of the TC1, TC2 and TCJ
sensors.
• If zone J operation is detected for 5 minutes, the air conditioner is forced
into thermo OFF.
• In zone K, the timer is put on pause, with the current timer count
retained.
• If zone I operation is detected, the timer count is cleared, and the air
conditioner returns to normal operation.
• If continuous zone J operation forces the air conditioner into thermo OFF,
the indoor fan is operated in breeze mode until it moves into zone I.
The control is terminated under the following conditions:
Termination conditions
1) TC1 ≥ 12 °C, TC2 ≥ 12 °C, and TCJ ≥ 12 °C
(˚C)
P1
I
K
Q1
J
2) Passage of 20 minutes after stoppage
2. During cooling, the air conditioner is operated in the manner described
below according to the temperature readings of the TC2 and TCJ sensors.
• If zone M operation is detected for 45 minutes, the air conditioner is
forced into thermo OFF.
• In zone N, the timer is put on pause, with the current timer count
retained.
• When the air conditioner goes back into zone M, timer count is resumed
from the retained value.
(˚C)
L
P2
N
Q2
M
• If zone L operation is detected, the timer count is cleared, and the air
conditioner returns to normal operation.
Reset conditions
1) TC1 ≥ 12 °C, TC2 ≥ 12 °C and TCJ ≥ 12 °C
2) Passage of 20 minutes after stoppage
A zone: OFF
B zone: 26˚C or above and
below 28˚C
breeze
E
C zone: 28˚C or above and
below 30˚C
Low
D zone: 30˚C or above and
below 32˚C
Medium
B
E zone: High
A
TC1 TC2, TCJ
P1 10˚C (5˚C) –10˚C
a
Q1 0˚C –14˚C
TC2, TCJ
P2 5
Q2 –2.0
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Remarks
TCJ: Indoor heat
exchanger
sensor
temperature
• In zones D and E,
priority is given
to the remote
controller fan
speed setting.
• In zone A,
"HEATING
STANDBY "
is displayed.
TC1:
Indoor heat
exchanger
sensor
temperature
* With models
without TC2,
TC2 is not
part of the
control
parameters.