Plate heat exchanger unit is composed of two circulation systems, ie.cold side circulation system and warm side circulation system.Cold side circulation system is composed of pump, radiators, piping and valves,etc., and warm side circulation is composed of warm side piping,valves and boiler.The two circulations exchange heat through plate heat exchanger,heat from warm side circulation is transferred to cold side circulation, and the radiators transfer the heat to the rooms.
| Description |
（℃） |
（℃） |
| |
steam |
≤ 250 |
—— |
| primary side |
hot water |
≤ 200 |
—— |
| |
A/C cold water |
≥ 0 |
—— |
| |
|
|
|
| |
radiator hot water heating |
95 |
70 |
| |
domestic hot water |
≤ 60 |
—— |
| secondary side |
A/C hot water |
60 |
50 |
