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Specifications
Three types of temperature sensors of different specifications are
used, including 50K, 20K and 15K.
Circuit diagram
The sensors are used to measure the temperature of the unit at different positions.
Models: GMV-VQ400WM/C-X、GMV-VQ450WM/C-X
Layout of electrical appliance box
237
GMV6 HR DC Inverter VRF Units Service Manual
Description
Physical position
1. Gas separator outlet pipe temperature sensor RT3
2. Gas separator inlet pipe temperature sensor RT4
3. Defrosting temperature sensor 1 RT5
4. Outlet pipe temperature sensor of condenser RT11
5. Discharge temperature sensor of inverter
compressor RT2
6. Shell top temperature of inverter compress RT1
7. Subcooler liquid outlet temperature sensor RT6
8. Outdoor ambient temperature sensor RT9
9. Air outlet temperature sensor of subcooler RT7
10. Defrosting temperature sensor 2 RT10
11. Air inlet temperature sensor of subcooler RT8
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Troubleshooting
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