Toshiba MMD-AP0726HP-UL Service Manual page 17

NO. Item
1. In heating operation, the upper limit of the fan tap is set according to the
Cold air
discharge
prevention
control
6
Freeze 1. During cooling, the air conditioner is operated in the manner described
prevention
control (low
temp. release)
Termination conditions
7
2. During cooling, the air conditioner is operated in the manner described
Reset conditions
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 +10.8°F[6°C].
°F(°C)
90 (32)
D
86 (30)
C
82 (28)
75 (26)
68 (20)
61 (16)
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 thermostat 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 thermostat
OFF, the indoor fan is operated in breeze mode until it moves into zone I.
The control is terminated under the following conditions:
1) TC1 ≥ 54°F (12°C), TC2 ≥ 54°F (12°C), and TCJ ≥ 54°F (12°C)
°F(°C)
P1 I
K
Q1
J
2) Passage of 20 minutes after stoppage
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.
°F(°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.
1) TC1 ≥ 54°F(12°C), TC2 ≥ 54°F(12°C) and TCJ ≥ 54°F(12°C)
2) After 20 minutes elapsed from the stop.
Specification outline
A zone: OFF
B zone: 79°F(26˚C) or above and
below 82°F(28˚C)
breeze
E
C zone: 82°F(28˚C) or above and
below 86°F(30˚C)
Low
D zone: 86°F(30˚C) or above and
below 90°F(32˚C)
Medium
B
E zone: High
A
TC1 TC2, TCJ
50˚F (10˚C)
P1
a
32˚F(0˚C) 7˚F(14˚C)
Q1
TC2, TCJ
41°F(5°C)
P2
28°F(2°C)
Q2
- 17 -
14˚F
(–10˚C)
Remarks
TCJ: Indoor heat
exchanger
sensor
temperature
• In zones D and E,
priority is given
to the remote
control 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.