– 52 –
<Sensor characteristic table>
30
40
50
20
10
0
0
10
20
30
40
50
Resistance value (k
)
Temperature (˚C)
TA
: Room temp. sensor
TC
: Heat exchanger temp. sensor
TA, TC
No.
1
Part name
Room temp. (TA) sensor
Heat exchanger (TC)
sensor
11-6-3. Indoor Unit (Other Parts)
Checking procedure
Disconnect the connector and measure the resistance value with tester.
(Normal temp.)
Temperature
Sensor
TA, TC (k
Ω
)
10°C
20°C
25°C
30°C
40°C
20.7
12.6
10.0
7.9
4.5
To item of How to judge whether remote controller is good or bad of the
Judgment of trouble by symptom.
• Using a tester, measure the resistance value of each winding coil.
• For P.C. board side, proceed to the item “Only indoor fan does not oper-
ate” of “Judgment of Trouble by Every Symptom”.
2
3
Remote controller
Indoor fan motor
(MF-200-60-4R)
BLK
Fan motor
P.C. board
BLK
WHI
RED
BLU
PUR
GRY
RED
WHI
PUR
BLU
GRY
2
1
3
2
1
3
2
1
3
2
1
3
WHI
BLK
RED
BLU
PUR
CN15
CN14
GRY
2
1
3
1
3
5
Position (P.C. board)
Between
(Black) –
(Red)
Between
(Black) –
(White)
Between
(Red) –
(White)
Resistance value
74 ± 15
Ω
100 ± 20
Ω
174 ± 35
Ω