| 摘要 |
PURPOSE:To prevent capacity deterioration, freezing and the returning of liquid, due to the biased flow of refrigerant, by a constitution wherein slave indoor units are operated simultaneously by the operating operation of a master indoor unit. CONSTITUTION:When a thermoswitch 27 is ON in case the operating switch 26 of an indoor unit 2 is put ON, the circuit of a fan motor 24 is set in operation, a signal is outputted to the relay coil 30a of an outdoor unit 1 and a compressor motor 31 is operated. Simultaneously, a thermo signal is inputted also into the electric source terminal 21 of another indoor unit 3. The operating switch 26 of the indoor unit 3 is short-circuited, therefore, the circuit of the fan motor 24 is set in operation when the thermoswitch 27 is ON. Thus, the first indoor unit 2, which is a master machine in the control of operation, and the second indoor unit 3, which is a slave machine in the control of operation, are set in operation simultaneously. Accordingly, refrigerant will never flow while being biased to one side.
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