Trane CGA Series, Установка, эксплуатация и обслуживание, Страница: 11 / 24

Q
ev
= EVAPORATOR FLOW RATE
Q
cond
= CONDENSER FLOW RATE
V = WATER VOLUME in cubic meters
The permitted tolerance for flow rates is equal to 10% of the nominal provided in product catalog.
Water circuit regulation equipment

Centrifugal motor water pump: Assures the discharge and the prevalence necessary to supply tube nest
evaporator, the tank and the utility.

Automatic filling unit: Assures the water pressure in the plant is maintained at least 1.5 bar, automatically
resetting it when necessary.

Safety valve: Takes care of opening the unit in atmosphere if the pressure exceeds the calibration value.

Expansion tank (if not equipped in the unit and one in addition depending on the volume of water in the plant):
Takes care of compensating small water hammering and variations of volume for different temperatures.

Check valves: Take care of intercepting the pump for possible maintenance.