| 摘要 |
The electrical control means provides for a second compressor being energized when the outdoor heat exchanger of a first compressor is being defrosted and the first and second contact means located within the individual defrost circuits for the first and second outdoor heat exchanger is being defrosted the second outdoor heat exchanger maynot commence a defrost cycle and when the second compressor is being operated in a defrost cycle a first compressor may not commence a defrost cycle. |
