51
11-3. Checking Electrical Components
11-3-1. Components
Flow
Measurement Target
(Normal) Upper: Volt, Amp.
Remarks
No.
CO. No.
Wire Color
(Normal) Lower: Resistance
1
T
WHT – BLU
DC 1 – 12 (Pulse)
Flap motor
300 – 450
Ω
BLU – BRN
AC 100 – 130 V
2
S
30 – 60
Ω
Indoor fan motor
RED – BLU
DC 1 – 12V
More than 3000 Pulse/min.
50°F (10°C)
9.0 – 11.0 k
Ω
Indoor
3
Z
1WHT – GRY2
68°F (20°C)
5.5 – 7.0 k
Ω
86°F (30°C)
3.5 – 4.5 k
Ω
room temperature sensor
4
U
3BLK – BLK4
50°F (10°C)
100 – 120 k
Ω
Indoor
68°F (20°C)
50 – 60 k
Ω
coil temperature sensor
5
B
BLK – BLK
AC 100 – 130 V
Reversing valve
300 – 400
Ω
BLK – WHT
6
R
WHT – PNK
1 – 5
Ω
Compressor
BLK – PNK
7
Terminal block
WHT
3 – 5 A
Ampere current
68°F (20°C)
9.8 – 10.8 K
Ω
Outdoor
8
KM
BLK – BLK
86°F (30°C)
6.8 – 7.3 K
Ω
140°F (60°C) 2.4 – 2.6 K
Ω
thermistor 1, 2
D
PUR – PUR
AC 30 – 115 V
Combustion blower motor
9
10 – 30
Ω
N
RED – BLU
DC 1 – 5 V
Combustion blower motor
More than 1000 Pulse/min.
fan speed sensor
!
O
BLU – BLU
DC 5 – 24 V
Proportional
40 – 160
Ω
control valve
"
J
BLK – Ground
AC 100 – 130 V
Flame sensor probe
More than DC 1 µA
#
P
YEL – YEL
Not more than DC 1 V
Thermal fuse
Not more than 1
Ω
bimetal thermostat
$
I
WHT – WHT
DC 90 – 120 V
Gas valve 1
1 – 2.5 k
Ω
%
I
ORG – ORG
DC 90 – 120 V
Gas valve 2
1 – 2.5 k
Ω
&
G
RED – RED
AC 100 – 130 V
Ignition transformer
(
E
BLK – BLK
AC 100 – 130 V
ON/OFF valve 1
300 – 500
Ω
)
F
BLK – BLK
AC 100 – 130 V
ON/OFF valve 2
300 – 500
Ω
C
WHT – BLU
AC 100 – 130 V
~
V
WHT – BRN
70 – 150
Ω
Outdoor fan motor
WHT – PNK
300 – 500
Ω
+
W
PNK – PNK
Not more than AC 1 V
Overload relay
Not more than 1
Ω
Operation
Outdoor Unit Voltage at Terminal Block
1
–
2
1
–
3
1
–
4
Cooling • Dry
100 – 130 V
100 – 130 V
0 V
Heating
100 – 130 V
100 – 130 V
100 – 130 V
OFF
0 V
100 – 130 V
0 V
Содержание CG1411
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