Toshiba MMY-MAP0804HT8(Z)(ZG)-E Service Manual page 73

NO. Item
Cold air 1. In heating operation, the upper limit of the fan tap is set according to the lower of
discharge whichever is the higher between TC2 sensor and TCJ sensor temperatures, on
prevention the one hand, and TC1 sensor temperature, on the other.
control • If the fan continuously operates in zone B for 6 minutes, it automatically moves
• During defrosting, the control point is shifted by +6°C.
6
Freeze 1. During cooling, the air conditioner is operated in the manner described below
prevention according to the temperature readings of the TC1, TC2 and TCJ sensors.
control (low • If zone J operation is detected for 5 minutes, the air conditioner is forced into
temp. release)
• 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
• If continuous zone J operation forces the air conditioner into thermo OFF, the
Termination conditions
1) TC1
2) Passage of 20 minutes after stoppage
7
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
• 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
• If zone L operation is detected, the timer count is cleared, and the air conditioner
Reset conditions
1) TC1
2) Passage of 20 minutes after stoppage
Specification outline
into zone C.
(°C)
32
D
30
C
28
26
20
16
A
thermo OFF.
returns to normal operation.
indoor fan is operated in breeze mode until it moves into zone I.
The control is terminated under the following conditions:
12°C, TC2 12°C, and TCJ
I
P1
(°C)
K
Q1
J
thermo OFF.
the retained value.
returns to normal operation.
(°C)
L
P2
N
Q2
M
12°C, TC2 12°C and TCJ
Zone A:OFF
Zone B:26 °C or above and
below 28 °C
E
Breeze
Zone C:28 °C or above and
below 30 °C
Low
Zone D:30 °C or above and
below 32 °C
Medium
Zone E:High
B
12°C
TC1 TC2, TCJ
P1 10°C(5°C)
a
Q1 0°C
Temperature in ( ): If the temperature is below
this value when the power is turned on, the air
conditioner is forced into thermo OFF.
TC2, TCJ
P2 5
Q2 -2.0
12°C
72
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
displayed.
TC1: Indoor heat
exchanger sensor
temperature
-10°C
-14°C
* With models without
TC2, TC2 is not part
of the control
parameters.
Remarks
" is