4-38
Samsung Electronics
4-7 Main Part Inspection Method
Compare terminal
Resistance
Remark
Red, Blue
185Ω ± 10%
Main
Blue, White
183Ω ± 10%
Sub
Part
Breakdown Inspection Method
Indoor Unit Temperature Sensor
Measure sensor resistance with a multimeter
Normal
At the normal temperature 37kΩ~8.3kΩ(-7˚C~+30˚C)
Abnormal
∞
,0Ω...Open or Short
Indoor Unit BLDC FAN Motor
Measure terminal resistance with a multimeter
Normal
At the normal temperature(10˚C~30˚C)
Abnormal
∞
,0Ω...Open or Short
Outdoor Unit
Outdoor Temperature Sensor
&
Cond Temperature Sensor
Measure sensor resistance with a multimeter
Normal
At the normal temperature 37kΩ~8.3kΩ(-7˚C~+30˚C) see 12-2-6 and 12-2-8
Abnormal
∞
,0Ω...Open or Short
Outdoor Unit
Discharge Temperature Sensor
Measure sensor resistance with a multimeter
Normal
At the normal temperature 563kΩ~157kΩ(0˚C~+30˚C) see 12-2-7
Abnormal
∞
,0Ω...Open or Short
Outdoor Unit BLDC FAN MOTOR
Measure terminal resistance with a multimeter
Normal
At the normal temperature(10˚C~30˚C)
Abnormal
0Ω...Open or Short
Outdoor Unit 4way Valve Solenoid
Measure resistance with a multimeter
Normal
At the normal temperature(10˚C~30˚C) 1.6KΩ
±
15%
Abnormal
∞
,0Ω...Open or Short
wire
pin number
Resistance
Remark
RED - BLACK
1-3
over 1MΩ
+300V motor power
WHITE - BLACK
4-3
1KΩ ~ 2KΩ
+15V control power
�ELLOW - BLACK
5-3
200KΩ ~ 300KΩ
control
BLUE - BLACK
6-3
10KΩ ~ 50KΩ
pulse
wire
pin number
Resistance
Remark
RED - BLACK
1-3
over 1MΩ
+300V motor power
WHITE - BLACK
4-3
1KΩ ~ 2KΩ
+15V control power
�ELLOW - BLACK
5-3
200KΩ ~ 300KΩ
control
BLUE - BLACK
6-3
10KΩ ~ 50KΩ
pulse
ORANGE - BLACK
7-3
10KΩ ~ 50KΩ
reverse
Summary of Contents for CH070EAV1
Page 40: ...3 22 Samsung Electronics MEMO...
Page 88: ...Product Specifications 5 10 Samsung Electronics 5 4 Assy control out UH090 105 140EAV...
Page 90: ...Product Specifications 5 12 Samsung Electronics UH070EAV1...
Page 92: ...5 14 Samsung Electronics MEMO...
Page 99: ...Samsung Electronics 6 7 6 1 5 OUTDOOR DISPLAY PCB...
Page 100: ...6 8 Samsung Electronics MEMO...
