LGRED Heat General Service Manual

Part 5. Trouble Shooting
- 68 -
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Only for training and service purposes
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<CT Sensing Check Point>
GND
INPUT(V)
18,24,30kBtu/h class
Vdc
2.5V
GND
Red
Black
INV_CurINV_CurrententINV_Current
GNDGND
INPUT(V)INPUT(V) INPUT(V)
GND
< Inverter PCB>
< Input Voltage Sensing Check Point >
36,42kBtu/h class
Vdc
GND
INPUT(V)