Panasonic WU-144MF1U9E 3-Way Service Manual - Page 146
Thermister Characteristics Curve, 1. Room temp.sensor, 2. Indoor heat exch. coil sensor E1, E3
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8. Thermister Characteristics Curve 8-1. Room temp.sensor Temperature sensor 10 9 8 7 6 5 4 3 2 1 10 15 20 25 30 35 40 45 50 55 Temperature (˚C) Resistance 8-2. Indoor heat exch. coil sensor (E1, E3) Indoor Heat Exchanger temperature sensor [E1, E3] 40 35 30 Resistance 25 20 15 5 10 5 0 -20 -15 -10 -5 0 5 10 15 20 Temperature (˚C) Resistance 3-WAY VRF SYSTEM Trouble Diagnosis 8 7 6 5 4 3 2 1 0 20 30 40 50 60 Temperature (˚C) 5 - 30
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5
5
- 30
8. Thermister Characteristics Curve
3-WAY VRF SYSTEM
Trouble Diagnosis
8-1. Room temp.sensor
8-2. Indoor heat exch. coil sensor (E1, E3)
40
35
30
25
20
15
10
5
0
-20
-15
-10
-5
0
5
10
15
20
8
7
6
5
4
3
2
1
0
20
30
40
50
60
Indoor Heat Exchanger temperature sensor
[E1, E3]
10
15
20
25
30
35
40
45
50
55
10
9
8
7
6
5
4
3
1
2
Temperature sensor
Resistance
Resistance
Resistance
Temperature (˚C)
Temperature (˚C)
Temperature (˚C)