Service manual
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10.3. Temperature Sensors.
Room temp.(T1) sensor,
Indoor coil temp.(T2) sensor,
Outdoor coil temp.(T3) sensor,
Outdoor ambient temp.(T4) sensor,
Compressor exhaust temp.(Te) sensor.
Measure the resistance value of each winding by using the multi-meter.
Some frequently-used R-T data for T1, T2, T3 and T4 sensor:
Temperature ( )
5
1
0
1
5
2
0
2
5
3
0
4
0
5
0
6
0
Resistance Value (K
Ω
)
2
6.9
2
0.7
1
6.1
1
2.6
1
0
8
5.
2
3.
5
2.
4
Some frequently-used R-T data for Te sensor:
Temperature (
℃
)
5
1
5
25 35 60 70 80
9
0
1
00
Resistance Value (K
Ω
)
14
1.6
8
8
5
6.1
3
6.6
1
3.8
9.
7
6.
9
5
3.
7
K
Ω
Summary of Contents for MWVT09S
Page 1: ......
Page 17: ...Service manual 16 5 Refrigerant cycle diagram Cooling only mode Heat pump mode ...
Page 19: ...Service manual 18 MRVT09AS MRVT12AS Outdoor unit ...
Page 20: ...Service manual 19 MRHVT09AS MRHVT12AS Outdoor unit ...
Page 21: ...Service manual 20 MRVT18AS MRHVT18AS Outdoor unit ...
Page 22: ...Service manual 21 MWVT24S MWHVT24S Indoor unit ...
Page 23: ...Service manual 22 MRVT24AS Outdoor unit ...