CHI, CHIE - Viking Pump Canada

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General dataCHI, CHIEType keysCHIExample CHI 4 -50 -A -B -G - BQQEType rangeNominal flow rate [m³/h]Number of stages x 10Code for pump versionCode for pipe connectionCode for materialsexcl. plastic and rubber partsCode for shaft sealCHIE 2 and CHIE 4ExampleType rangeMLE motorRated flow [m³/h]Number of stages x 10Code for pump versionCode for pipe connectionCode for materialsCHI E 4 - 40 - A - B - G - BQQECodesExample A -B -G -E -B Q Q EPump versionA Basic versionPipe connectionW Internal threadB NPT threadConnecting thread,NspecialMaterialsStainless steel parts inG1.4401 or similar classX Special versionCode for rubber parts in pumpE EPDMV FKMShaft seal, CHI B Q Q EB Rubber bellows sealUTungsten carbide(wolfram carbide)Q Silicon carbideBEVCarbonEPDMFKMCode for shaft sealCHIE 8 and CHIE 12ExampleType rangeCHI E 8 - 1 0 - A - B - G - BQQEMLE motorRated flow [m³/h]Number of diameter ø130-impellersNumber of diameter ø98-impellers:0 = none5 = impeller(20S = 2 ø98-impellers)Code for pump versionCode for pipe connectionCode for materialsCode for shaft seal6
General dataCHI, CHIEE-pumpsGrundfos pumps equipped with Grundfos MLE motorsare called E-pumps. CHIE pumps belong to the E-pumpsfamily.The pumps are fitted with the single-phase GrundfosMLE motor with built-in PI-controller enabling connectionto external control signals.The MLE motor offers the following features:• Built-in PI-controller,• optional connection to external control signals,• setpoint setting on the unit itself, and• communication with the Grundfos remote controlR100.Through frequency control the MLE motor enablescontinuously variable control of the motor speed. Thusthe pump can operate in any duty point in the rangebetween pump min. and max. performance curves.H[m]Uncontrolled operationHConstant curveThe fitting of a sensor at a later stage opens the possibilityof control on the basis of pressure, differentialpressure, temperature, differential temperature or flow.The CHIE pumps are the ideal solution in a number ofapplications characterized by a need for variable flowat constant pressure. Depending on the nature of theapplication, the pumps offer energy savings, increasedcomfort or improved processing.CHIE-Plus—a compact one-pump boosterWith CHIE-Plus, a pressure sensor and a smalldiaphragm tank are added to build a complete, compactpressure booster supplying constant pressure.QTM01 0925 279700 Q [m³/h]TM01 4916 1099CHIE PumpsCHIE is a unique product combining stainless steel materialsin all parts in contact with the pumped liquid witha compact design and an MLE motor.This makes CHIE very suitable for industrial applicationsrequiring a stainless steel product combined with thevariable pump performance feature.CHIE can operate in uncontrolled operating modeenabling pump performance control by an externalsignal.Alternatively, the pump can operate in controlled operatingmode enabling e.g. a constant pressure to beestablished by means of the built-in PI-controller and aconnected sensor.Other sensor types such as flow, temperature, differentialtemperature or differential pressure can also beconnected.CHIE incorporates a stop function ensuring that thepump automatically stops if the water demand drops toa very low level or disappears altogether. The methodgives good total operating economy irrespective of thewater demand, and the pump is not subjected to overheatingand the subsequent risk of damage to the shaftseal.TM01 0678 19977
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Page 21 and 22: Technical dataCHIE Plus, Canadian V
Page 23 and 24: Performance curvesCHIE 2CHIE 2H [m]
Page 25 and 26: Performance curvesCHIE 8 and 12CHIE
Page 27 and 28: FunctionsCHIEControl modesCHIE pump
Page 29 and 30: FunctionsCHIESetting by means of R1
Page 31 and 32: FunctionsCHIE2.4 Display of actual
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Page 35 and 36: FunctionsCHIEIndicator lights and s
Page 37 and 38: InstallationCHIEWiring diagramThe s
Page 39: Submittal Data SheetCompany name:Pr
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