| 摘要 |
PURPOSE:To save energy by a method wherein a set value range varing switch is provided in the captioned device controlling by the comparison of temperature and set temperature of a room to be air-conditined. CONSTITUTION:A manual switch 24 for varying temperature setting width is provided on a remote control panel 23 together with an operation changeover switch 25. By the operation of the switch 24, an always opening contact piece 30 is closed by the conduction of a relay 29 and a luminescent element 27 is lighted at the same time. A set indoor temperature Ts is changed by the closing of the always opening contact 30 through a predetermined changing procedure into a range from 19 deg.C to 24 deg.C. According to this constitution, the set room temperature is change, room heating without over-heating or shotage of capacity may be effected, energy may be saved and the shortage of capacity may be prevented. |
