GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
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maximum unit power (maximum current).
（2）. The power cable specifications in the table are obtained under the condition that the multi-copper
core cable (such as YJV copper-core XLPE insulated power cable ) is laid in the wire trough in an
exposed manner (the ambient temperature is 40℃ and the cable operating temperature is 90℃). If the
use condition is different, calculate and adjust the specification according to the corresponding national
standard.
（3）. The circuit breaker specifications in the above table is obtained under the condition that the
ambient temperature is 40℃ when the circuit breaker is operating. If the use condition is different,
calculate and adjust the specification according to the instructions on circuit breaker specifications.
（4）When breaker devices are installed near the unit, the minimum distance between levels of the
cut-off device is 3 mm (it is required for both the indoor unit and outdoor unit).
2. Circuit Diagram
2.1 Circuit Diagram of ODU
2.1.1 Circuit diagram of GMV-224WM/B-X and GMV-280WM/B-X
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