PRESSURISATION UNITS - Anergy

1 PRESSURISATION UNITSFEATURESE nsures positive pressure throughout thesystem thus preventing vapour6air locks5 Used for pressurising chilled water systemin HVAC applications5 Provides make up water to pressurise thewater system5 Double pumpS &x working B x stand2byq5 Microprocessor based control panelwith dry run protection ) duty cycling5 Multistage centrifugal type pumps 2quietS reliable and rugged5 Flow meter to measure the make upwater quantity5 All ComponentsS i5e5 pumpsS pressuretransmitterS flow meterS interconnectingpiping and control panel factory mountedon a compact steel frame5 BMS Compatible option5 Automatic operation5 TECHNICAL DATABENEFITSPSU233 PSU233 PSU23I0 PSU23x00 PSU23x 0:MultistageS Centrifugal:05 05 x5xx5 353:Max5 flow rate&CMHq:333333W0VS xPhMax5 head &mWCq:3 3 I0x00x 0 Max5fluid temp5:40 C:IP ControlsPressure rangePressure differentialControl panel:0 to x0 bar0 to 3 bar:7x VS WPhModelPumpPower&KWqx barPower supply&ACS 0 HzqprotectionPressure rating:PNx0 PNxIPN30 TypeProtectionIP.

2 Subject to technical Control PanelNR(4 IqN&MVCVBVPump NPump RLEDLEDPrV DisplayAutoToggleSwitchAll dimensions are in mmPSU-225 PSU-225 - 2100 PSU-2150 LWHINSTALLATION drawing of PRESSURISATION unitU expansion tank and air separatorVMake upWater TankExpansion TankPressurisation UnitAir SeparatorFrom AHU STo AHU SDrain ValveIsolation ValveTo DrainDrain ValveMake upPumpNRVC hillersPrimary PumpsSecondary PumpsNRVMake upPumpR(IV ACN Ph-by othersW-by othersW-by othersWControl PanelTransmitterBMSP ressureRemote OnvOffAlarmPump StatusSafetyValveIIFlowMeterPrVSet Point The Set point of the pressureis set by turning the pressure setting knobVOn turning the knobU display starts blinkingand shows the set pointV It again shows theactual pressure when it is left idle for NOsecsVAuto Mode Pump switches OFF when thepressure exceeds the set point and is switchedONU as the pressure goes below -one barW theset pointV If the pressure is not acheived in NOminsUthe pump will switch OFF and after Nmin otherpump will start to achieve the required pressureVManual Mode Operation can be switched fromAuto mode to Manual mode for Pump Nv Pump Rby the toggle switchV In manual modeU the pumpoperates continuously for (IminsU then stopsfor NImins before restartingVAlarm A NO contact of relay is provided for thealarm which closes when an alarm is raisedV Incase of alarmU press reset key to clear alarm orswitch OFF x then switch ON the mainsVNV Mount on a PCC foundationVRV Connect water supply to the inletconnectionV(V Connect outlet to the))))

3 Expansion tankV)V Control Panel s -figVNW functionsare described below4 DIMENSIONSS trainerPrVGauge(PN10)OII5II5 IIOII5II5 IIORINIOINIOI(PN16)(PN20)Reset SwitchPressure Setting KnobManual forManual forPump NPump RF* Flow Meter not included with PNRI unitsV