
2
Advantages of pressurized ow through water heaters “PERFECT”
Serious electric power saving comparing to boiler
Instant and permanent warm water consumption
Installedelectronicpowerswitchprolongssignicantlyheater’slife
Possibilitytousetheheaterwithverylowwaterpressure(ca0,06MPa)
Thankstoinstalledelectroniccontrolsystemthemostunreliablemechanicalpartssuch
asmembrane,traditionalelectricalcontactsareeliminated.Signicantprolongationof
theappliancelifeandimprovedreliabilityisreachedinresult.
1. Application
PressurizedowthroughwaterheaterPERFECTisdesignedforinstantdeliveryofwarm
watertosanitaryequipmentaswashbasins,sinks.Inordertoeconomicalusetheheater
shouldbeinstalledascloseaspossibletotheservedequipment.
Thisapplianceisfullydesignedtobeusedinmoistureenvironment.Howeversplashing
withwaterisprohibited.Maximumdeliveredwatertemperatureshouldnotexceed30ºC.
One should remember that heater output depends on:
its electric power;
waterstreamowingthroughtheappliance.Thebiggerow,thelowerwatertemperature
onexit(table1);
voltagedropinelectricalsystem.Forinstance:voltagedropby10%resultsinlowering
heatingoutputby19%(table2).Voltagedropbelow185Vcausesblockagebyelectronic
systempossibilityofapplianceswitchingon;
suppliedwatertemperature.
Table1.Suppliedwatertemperature15ºC
Waterow [l/min] 1,5 2 2,5 3 3,5
Perfect 3500 [
O
C] 48 40 35 32 –
Perfect 4000 [
O
C] 53 43,5 38 34 –
Perfect 4500 [
O
C] 59,5 48,5 41 37 –
Perfect 5000 [
O
C] 62,5 50,5 43,5 39 35
Perfect 5500 [
O
C] – 54 46 41 37,5