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GRUNDFOS

INSTRUCTIONS

VLSE

Vertical in-line split coupled pumps with integrated VFD

Installation and operating instructions

Содержание VLSE

Страница 1: ...GRUNDFOS INSTRUCTIONS VLSE Vertical in line split coupled pumps with integrated VFD Installation and operating instructions...

Страница 2: ...Table of contents 2 VLSE Pump Information 3 Motor information 12...

Страница 3: ...8 Extended period shutdown 7 7 Maintenance 8 7 1 Motor lubrication 8 8 Disassembly 8 8 1 Preparation for disassembly 8 8 2 Seal replacement VLSE 8 8 3 Wear ring replacement 9 8 4 Reassembly of pumps...

Страница 4: ...e other rights which vary from jurisdiction to jurisdiction 4 Installation mechanical Read these instructions thoroughly before installing and operating your Grundfos Type VLSE Vertical In line Centri...

Страница 5: ...to support the weight of pump and piping full of liquid and shall be designed to eliminate transmission of noise or vibration Grundfos Type VLSE In line pumps are designed to be mounted in horizontal...

Страница 6: ...ke packing mechanical seals require no field adjustments Observe the following precautions to avoid seal damage and obtain maximum seal life Do not exceed temperature or pressure limitations for the m...

Страница 7: ...nd record voltage amperage per phase and kilowatts if a wattmeter is available 6 5 Voltage regulation The motor will operate satisfactorily under the following conditions for voltage and frequency var...

Страница 8: ...ting motion as necessary to loosen bellows from shaft 7 Remove and discard seal spring and retainer 8 remove and discard seal seat from seal cap 2N and thoroughly clean the inside cavity of seal cap 9...

Страница 9: ...tment to their customers continues through an extensive service organization Highly trained technicians can assist customers with initial startup troubleshooting repair and system analysis Grundfos ma...

Страница 10: ...4A Case wear ring 20J Cast iron stand 4F Balance ring 21A Motor bracket 6A Pump shaft 22A Seal cap studs 8B Volute screw 23D Coupling halves 8C Pump shaft screw 24H Bushing 8E Coupling screw 34B Impe...

Страница 11: ...of internal gasket failure 27 There may be a misalignment of the pump shaft 28 The shaft may chatter because it is bent 29 The pump may run rough due to improper balancing of the impeller 30 The shaft...

Страница 12: ...mation 13 General description 12 13 1 Pumps without factory fitted sensor 12 13 2 Pumps with pressure sensor 12 13 3 Settings 12 14 Mechanical installation 13 14 1 Motor cooling 13 14 2 Outdoor instal...

Страница 13: ...fuse sizes see section 30 1 Supply voltage on page 41 15 1 4 Additional protection If the pump is connected to an electric installation where an ground leakage circuit breaker ELCB is used as addition...

Страница 14: ...power supply 15 1 9 Connections As a precaution the wires to be connected to the following connection groups must be separated from each other by reinforced insulation in their entire lengths Group 1...

Страница 15: ...box Fig 10 Connection of two protective ground leads using two of the leads of a 5 core power supply cable Protective ground leads must always have a yellow green PE or yellow green blue PEN color mar...

Страница 16: ...advertently pulled out of the cable entry Fig 11 Power connection Cable glands Cable glands comply with EN 50626 1 x M40 cable gland 1 x M20 cable gland 2 x M16 cable gland 2 x M16 knock out cable ent...

Страница 17: ...cable with screen and wire connection Always tighten screws for frame connections whether a cable is fitted or not Make the wires in the pump terminal box as short as possible 15 4 E pump electrical...

Страница 18: ...lled in accordance with Grundfos printed installation and operating instructions Splicing of the supplied cable would void any warranty 15 4 3 Connection of E pump to LiqTecp Fig 15 Connection of E pu...

Страница 19: ...mperature sensor in which case the description would be constant temperature in control mode controlled 16 2 Operating mode When the operating mode is set to Normal the control mode can be set to cont...

Страница 20: ...t value corresponds to 50 of the sensor measuring range see sensor nameplate 18 Setting by means of control panel Proportional pressure The pump head is reduced at decreasing water demand and increase...

Страница 21: ...light fields 5 and 6 are activated indicating a desired setpoint of 43 psi 3 bar The setting range is equal to the sensor measuring range see sensor nameplate Fig 25 Setpoint set to 3 bar pressure co...

Страница 22: ...19 3 4 3 19 3 9 1 19 1 4 19 2 5 19 3 4 1 2 19 3 10 19 2 6 19 3 4 2 2 19 3 11 1 19 1 4 1 19 2 7 2 19 3 5 19 3 12 19 2 8 2 19 3 6 19 3 13 1 19 2 9 1 19 3 7 19 3 14 1 19 3 7 19 3 15 1 1 This display only...

Страница 23: ...ing Bus control To override bus communication disconnect the bus connection See fig 36 on page 33 19 1 2 Operating mode Set one of the following operating modes Normal duty Stop Min Max The operating...

Страница 24: ...power supply since the fault occurred 30 min 19 2 Menu STATUS The displays appearing in this menu are status displays only It is not possible to change or set values The displayed values are the value...

Страница 25: ...Time till replacement of motor bearings When the motor bearings have been relubricated a prescribed number of times stored in the controller the display in section 19 2 8 Time till relubrication of m...

Страница 26: ...ules of thumb If the controller is too slow reacting increase Kp If the controller is hunting or unstable dampen the system by reducing Kp or increasing Ti 19 3 3 External setpoint The input for exter...

Страница 27: ...ult When the input is activated a timer will be started If the input is activated for more than 5 seconds the pump will be stopped and a fault will be indicated If the input is deactivated for more th...

Страница 28: ...he pump will return to continuous operation at constant pressure 2 If the flow is still lower than the low flow limit the pump will continue in start stop operation It will continue in start stop oper...

Страница 29: ...or the tank size is smaller than recommended select Low If a higher flow than normal is wanted or a large tank is used set the limit to High The value Custom can be seen in R100 but it can only be se...

Страница 30: ...gland into each MLE terminal box with a crescent wrench See fig 32 c Loosen the new cable gland caps and push the cable ends through the cable glands and into MLE motors d Remove the AYB connector plu...

Страница 31: ...d Nothing done When the bearing monitoring function is Active the controller will give a warning indication when the motor bearings are due to be relubricated or replaced See section 19 1 3 Fault indi...

Страница 32: ...3 2 19 3 7 19 1 3 19 2 3 19 3 3 19 3 8 19 1 3 1 19 2 4 19 3 4 1 2 19 3 9 1 19 2 5 19 3 4 2 2 19 3 10 19 2 6 19 3 5 19 3 11 1 19 2 7 2 19 3 6 19 3 12 19 2 8 2 19 3 7 19 3 13 1 19 3 14 1 19 3 15 1 1 Th...

Страница 33: ...2 19 3 7 19 1 3 19 2 3 19 3 3 19 3 8 19 1 3 1 19 2 4 19 3 4 1 2 19 3 9 1 19 2 5 19 3 4 2 2 19 3 10 19 2 6 19 3 5 19 3 11 1 19 2 7 2 19 3 6 19 3 12 19 2 8 2 19 3 7 19 3 13 1 19 3 14 1 19 3 15 1 1 This...

Страница 34: ...iPod touch 5G or iPhone 5 2 Grundfos MI 301 Separate module enabling radio or infrared communication The module can be used in conjunction with an Android or iOS based Smartphone with Bluetooth connec...

Страница 35: ...nel or R100 can only set the E pump to operating mode Stop Priority of settings with bus communication Example If the E pump is operating according to a setpoint set via bus communication the control...

Страница 36: ...psi and an external setpoint of 80 an 8 V analog signal to Terminal 4 if using an analog signal of 0 10 V the actual setpoint will be as follows In control mode uncontrolled the setpoint can be set ex...

Страница 37: ...for further details 25 Other bus standards Grundfos offers various bus solutions with communication according to other standards Contact Grundfos for further details 26 Indicator lights and signal rel...

Страница 38: ...ecause of a Fault Alarm or is running with a Warning or Relubricate indication If the pump was stopped restarting will be attempted it may be necessary to restart the pump by resetting the Fault indic...

Страница 39: ...from the terminal box 3 Connect the leads as shown in fig 43 Fig 43 How to switch an E pump from normal operation to emergency operation Use the screws from the power supply terminals and the nuts fro...

Страница 40: ...Grundfos company for assistance 29 5 Service parts and service kits For further information on service parts and service kits visit www grundfos com select country select WebCAPS 30 Technical data th...

Страница 41: ...contact load 5 VDC 10 mA Screened cable 0 5 2 5 mm2 28 12 AWG Maximum cable length 1640 ft 500 m Bus input Grundfos bus protocol GENIbus protocol RS 485 Screened 3 core cable 28 16 AWG 0 2 1 5 mm2 Ma...

Страница 42: ...for both the first and second environment 5 7 5 10 15 20 25 30 Emission The motors are category C3 corresponding to CISPR11 group 2 class A and may be installed in industrial areas second environment...

Страница 43: ...aker must be of the Inverse time type The interrupting rating RMS symmetrical amperes must not be less than the values stated in table below USA hp 32 1 5 Overload protection Degree of overload protec...

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Страница 47: ...Grundfos companies Grundfos CBS Inc 902 Koomey Road Brookshire TX 77423 USA Phone 281 994 2700 Toll Free 1 800 955 5847 Fax 1 800 945 4777 www grundfosexpresssuite com...

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