Description Of Operation Circuit - Toshiba RAS-10GKHP-E Service Manual

7-2. Description of Operation Circuit

(1) When turning on the breaker, the operation lamp
blinks. This means that the power supply is on.
(2) When pressing [ ] button on the remote control,
receiving beep sounds from the indoor unit, and
the next operation is performed together with
opening the vertical air flow louver.
(3) Once the operation mode is set, it is memorized in
the microcontroller so that the previous operation
can be effected thereafter simply by pressing
[ ] button.
7-2-1. Fan only operation
([MODE] button on the remote control is set
to the fan only operation.)
(1) When [FAN] button is set to AUTO, the indoor fan
motor operates as shown in Fig. 7-2-1. When
[FAN] button is set to LOW, LOW
HIGH, the motor operates with a constant air flow.
°C
+3
+2.5
+2
+1.5
+1
+0.5
Preset
0
temp.
(Preset temp.: 22 °C)
NOTE :
*1: The values marked with *1 are calculated and
controlled by the difference in motor speed
between M+ and L-.
(2) The Hi POWER, ECO and COMFORT SLEEP
operation cannot be set.
Fig. 7-2-1 Setting of air flow [FAN:AUTO]
7-2-2. Cooling operation
(1) The compressor, 4-way valve, outdoor fan and
operation display on the remote control are
controlled as shown in Fig. 7-2-2.
Preset
temp.
, MED, MED or
+ +
M+ (2) When [FAN] button is set to AUTO, the indoor fan
motor operates as shown in Fig. 7-2-3. When
*1
[FAN] button is set to LOW, LOW
*1
HIGH, the motor operates with a constant air flow.
*1
-
L
Preset
temp.
NOTE :
*1: The values marked with *1 are calculated and
controlled by the difference in motor speed
between M+ and L-.
- 24 -
FILE NO. SVM-06037
([MODE] button on the remote control is set
to the cooling operation.)
°C
0.5
0
Fig. 7-2-2
°C
+3
+2.5
+2
+1.5
+1
+0.5
0
-0.5
Fig. 7-2-3 Setting of air flow [FAN:AUTO]
ON ON
OFF OFF OFF ON
, MED, MED or
+ +
M+
*1
*1
*1
-
L