| 摘要 |
<p>PURPOSE:To lower the price and also to improve sound-insulation and dust-proof effects by sending air from one cooler to respective units via ducts. CONSTITUTION:Cooling air is sent from one cooler 4 to units 5 via ducts 5-1-5-3. Further, alarm signals, etc., are supplied from respective units 5 to cooler 4 via control signal lines 8 to open only valves 4-1-4-3 corresponding to units 5 in operation.</p> |
