english - Chiller

INSTRUCTION MANUALENGLISHFilling the system(if fitted)CAUTION: the use of untreated or improperly treated water in this equipment may result inscaling, erosion, corrosion, algae or slime. The services of a qualified water treatmentspecialist should be engaged to determine what treatment, if any, is advisable.The filling procedure is the follow:- flushing and clearing of the system- filling the system- venting of the systemcleaning of systemCAUTION: if a commercial flushing solution is used, the unit must be bypassed during flushing to preventpermanent damage to the unit tube.If the unit is cleaned with water it is advisable to carry on the first filling with the valves closed and them toempty the water from the lower point of the circuit.Open the valves and fill again circuit, make the circulation pump running for one hour tacking care to stop thepump every so often for short period of time. After the cleaning, clean the filter.Filling the systemFilling of the system can be carried out through the unit filling/draining cock of the unit.It is recommended to fill the unit at a very low rate in order to prevent turbolences and consequently airpockets.During the operation open all the unit’s vent and the vents placed on the upper side of the system.When the operation has been finished, close all the vents and valves previously opened.Venting the systemAfter the filling start the pump every so often cecking the venting through the manual and automatic vents ofthe circuit.At the end the water flow must result regular and no noise of air pocket must be heard.Ceck the pressure on the gauge and adjust it set point.caution: be sure the water rate is according with the same required by the project and, however it is higherthan the minimum values figured in this manual.9