| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to do with a low power receiving capacity for an electric heater power and reduce running cost. SOLUTION: This air conditioner is provided with an electric heater 9 for air temperature control and a cooling coil supplied with a cooling medium from a cold source and further provided with an electric heater 5 for defrosting halfway in a liquid transfer pipe 3 for supplying the cooling medium from the cold source 1 to the cooling coil 7. In this case, in a downstream side of a breaker 16 of a power supply line 15 for supplying power from a power source 14 to each heater for defrosting and temperature control via the breaker 16, a selector switch for forming a make to an electric heater side for temperature control in an ordinary operation and a make to an electric heater side for defrosting in a defrosting operation is provided. |
