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August 2010

Accessories

39. Suction diffuser- IOM

39.1 Installation

1. Install suction diffuser in piping with proper flow di-

rection as indicated on diffuser.

2. Provide appropriate clearance in back of diffuser for

removal of strainer (Fig. 2, Po no. 3).

3. Use support foot to adjust the height (Fig. 2,

Po no. 7).

4. Flush system piping and operate pumps for initial

circulation of system.

5. After initial system circulation is complete, remove

and discard the temporary mesh screen (See Fig. 2,

Po no. 6). Do not discard the permanent screen.

Installation

Fig. 1

Pump installation with suction diffuser

(1)

39.2 Operation and Maintenance

Periodically (dependent on system conditions) open the
suction diffuser and clean debris from strainer basket.
Inspect strainer for holes. Replace if damaged.

39.3 Sectional drawing and components

Fig. 2

Sectional drawing of a suction diffuser

When using inertia base, the suction diffuser

must also be footed on the base along with

the pump.

Caution

705

151

Po no. Description

Body

Drain plug

Cover

Screen (temporary)

Screen (permanent)

Bolt, nut (support

foot)

O-ring

Suc
tion
Diffuser

Содержание PACOpaQ

Страница 1: ...GRUNDFOS INSTRUCTIONS PACOpaQ HVAC Packaged Systems Installation and Operating Instructions...

Страница 2: ...n 13 6 7 Short duration shutdown 13 6 8 Extended period shutdown 13 7 Pump Maintenance 13 7 1 Motor lubrication 13 7 2 Pump lubrication 14 7 3 Disassembly of pumps 14 7 3 1 Disassembly of liquid end 1...

Страница 3: ...or specifications incorporated therein by reference and any additional or different terms proposed in Buyer s purchase order the Purchase Order that are accepted by Seller in writing which together sh...

Страница 4: ...If the equipment sold hereunder is to be prepared or manufactured according to Buyer s specifications Buyer shall indemnify Seller and hold it harmless from any claims or liability for patent or trade...

Страница 5: ...ies are maintained for both sexes Buyer agrees that it will obtain a similar certificate prior to award of any nonexempt lower tier subcontracts 2 14 law and arbitration The Contract shall be governed...

Страница 6: ...symmetrical to the center of gravity of system or to avoid system internals 3 3 Storage Unit should be stored in a dry and dust free and temperature controlled environment It is not recommended the un...

Страница 7: ...m 10 Familiarity with the parts requirements and any referenced documents or drawings will aid in the piping assembly All hardware and gaskets required for re assembly are supplied Final package syste...

Страница 8: ...n The top surface should be well scored or grooved before the concrete sets to provide a suitable bonding surface for the grout Anchor bolts should be set in pipe sleeves for positioning allowance as...

Страница 9: ...are aligned Do not spring or force piping when making any connections 4 9 Suction inlet piping The sizing and installation of suction piping is particularly important It must be selected and installed...

Страница 10: ...stuffing boxes The stuffing box must be supplied at all times with a source of clean clear liquid to flush and lubricate the packing When pumps are equipped with mechanical seals no maintenance or adj...

Страница 11: ...er and the motor from their source of power The disconnecting device must be located so that the controller motor starter can be seen from the disconnecting means In all cases the distance from the di...

Страница 12: ...evice magnetic starters pilot devices and motors are properly connected check motor rotation as follows For 3 phase units only momentarily energize the motors to ensure that the rotation is correct as...

Страница 13: ...ing any inspection or repair on the pump the driver controls must be in the OFF position locked and tagged to prevent injury to personnel performing service on the pump 7 1 Motor lubrication Always fo...

Страница 14: ...hould be changed To change the oil remove the drain plug at the bottom of the bearing cover and the filler plug that also acts as a vent plug at the top of the housing After draining oil replace the f...

Страница 15: ...llows 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 Interior surface of bellows on new s...

Страница 16: ...hipment of these parts is normally made within three days after receipt of an order On larger pumps where it is impractical for our factory to inventory low usage parts replacement parts are normally...

Страница 17: ...1A Gasket Casing 18B Bearing Outboard 4A Case Wear Ring 11F Gasket Backplate 20Y Bearing Frame 4F Balance Ring 12A Key Impeller 22A Stud Packing Gland 5A Shaft Sleeve 12B Key Coupling 26P Seal Housing...

Страница 18: ...ng 13G Slinger 4F Rear case wear ring 14A Mechanical seal 5A Shaft sleeve 16A Plug drain 5L Lantern ring 16J Plug stuffing box 7A Packing gland 21A Bracket 8A Impeller capscrew 22A Stud packing gland...

Страница 19: ...RT NAME 1A Volute 10A Impeller washer 2H Hand hole cover not shown 12A Key 2K Backplate 13G Slinger 3A Impeller 14A Single mechanical seal assembly 4Q Suction cover wear ring 20H Stand 4S Impeller wea...

Страница 20: ...20D PUMP SUPPORT 6A PUMP SHAFT 21A MOTOR BRACKET 8B VOLUTE SCREW 22A SEAL CAP STUDS 8C PUMP SHAFT SCREW 23D COUPLING HALVES 8E COUPLING SCREW 24H BUSHING 8F COUPLING GUARD SCREW 34B IMPELLER WASHER 8G...

Страница 21: ...l head of the pump 19 Density of fluid pumped differs from that specified when the pump was purchased 20 Viscosity of fluid pumped differs from that specified when the pump was purchased 21 The pump i...

Страница 22: ...E into operation Connected to a sensor or an external control signal the CUE will quickly adapt the pump speed to the actual demand 9 3 Applications The CUE series and Grundfos standard pumps are a su...

Страница 23: ...age may exceed 440 V between phase and ground 10 3 2 Aggressive environment The CUE contains a large number of mechanical and electronic components They are all vulnerable to environmental effects 10...

Страница 24: ...ee table below Ambient temperature up to 122 F Hang the CUE directly on the wall or fit it with a back plate See fig 3 Fig 3 CUE hung directly on the wall or fitted with a back plate Required free spa...

Страница 25: ...16 7 1 Mains supply L1 L2 L3 During start and in asymmetrical supply systems the leakage current can be higher than normal and may cause the ELCB to trip 13 1 4 Motor protection The motor requires no...

Страница 26: ...onductors 3 Fix the mains cable to the mounting plate Fig 9 Fixing the mains cable TM03 8799 2507 Terminal Function 91 L1 Three phase supply 92 L2 93 L3 95 99 PE Ground connection 96 U Three phase mot...

Страница 27: ...th a cable clamp Fig 12 Mains connection A5 Motor connection 1 Connect the ground conductor to terminal 99 PE See fig 13 2 Connect the motor conductors to the terminals 96 U 97 V 98 W of the motor plu...

Страница 28: ...connection 1 Connect the ground conductor to terminal 99 PE See figs 16 and 17 2 Connect the motor conductors to the terminals 96 U 97 V 98 W 3 Fix the screened cable with a cable clamp Fig 16 Mains...

Страница 29: ...motor conductors to the terminals 96 U 97 V 98 W 3 Fix the screened cable with a cable clamp Fig 19 Mains and motor connection C3 Fig 20 Mains and motor connection C4 Note The cable screen must be exp...

Страница 30: ...and 20 using a short wire TM03 8800 2507 24 V out 24 V out DI 2 DI 3 DI 4 GND GND AO 1 10 V out Ext setpoint Sensor 1 GND RS 485 GND Y RS 485 A RS 485 B 1 K 0 20 mA 13 3 1 Wiring diagram signal termi...

Страница 31: ...l terminal 13 3 5 Setting the analog inputs terminals 53 and 54 The contacts A53 and A54 are positioned behind the control panel and used for setting the signal type of the two analog inputs The facto...

Страница 32: ...relays in normal state not activated Access to signal relays The relay outputs are positioned as shown in figs 31 to 36 Fig 31 Terminals for relay connection A2 and A3 Fig 32 Terminals for relay conne...

Страница 33: ...ions 10 7 18 Temperature sensor 1 3 21 and 10 7 19 Temperature sensor 2 3 22 When the MCB 114 has been installed the CUE will automatically detect if the sensor is Pt100 or Pt1000 when it is switched...

Страница 34: ...ed at the CUE controller with no cable clamps 13 7 RFI filters To meet the EMC requirements the CUE comes with the following types of built in radio frequency interference filter RFI Single phase inpu...

Страница 35: ...15 2 15 1 Uncontrolled operation open loop Example Operation on constant curve can for instance be used for pumps with no sensor connected Example Typically used in connection with an overall control...

Страница 36: ...he flow rate TM03 8477 1607 TM03 8807 2507 Constant pressure with stop function The outlet pressure is kept constant at high flow rate On off operation at low flow rate TM03 8482 1607 TM03 8808 2607 C...

Страница 37: ...mode and resetting of alarms It is also possible to see the latest five warnings and alarms 3 STATUS shows the status of the CUE and the pump It is not possible to change or set values 4 INSTALLATION...

Страница 38: ...STATUS 3 INSTALLATION 2 1 2 10 3 1 3 12 2 2 2 11 3 2 3 13 2 3 2 12 3 3 3 15 2 4 2 13 3 3A 3 16 2 5 2 14 3 4 3 17 2 6 2 15 3 5 3 18 2 7 2 16 3 6 3 19 2 8 2 17 3 7 3 20 2 9 3 8 3 21 3 9 3 22 38 Grundfos...

Страница 39: ...22 3 10 3 23 3 11 3 24 Grundfos bk Page 22 Friday July 30 2010 10 10 PM Grundfos CUE 39...

Страница 40: ...ting 1 Switch off the power supply to the CUE 2 Press On Off OK and while switching on the power supply The CUE will reset all parameters to factory settings The display will turn on when the reset is...

Страница 41: ...e motor nameplate 0 75 125 HP 0 55 90 kW The setting range is size related and the factory setting corresponds to the rated power of the CUE 17 3 6 Supply voltage 5 16 Select supply voltage according...

Страница 42: ...lected requires a sensor and no sensor has been installed To continue the setting without a sensor select Open loop and proceed When a sensor has been connected set the sensor and control mode in menu...

Страница 43: ...not suitable for certain pump types and will in certain cases not be able to determine for certainty the correct direction of rotation In these cases the CUE changes over to manual setting where the d...

Страница 44: ...g when the direction of rotation is not visible 13 16 It must be possible to observe the head or flow rate Information displays Press OK to continue The pump starts after 10 seconds It is possible to...

Страница 45: ...to CUE copies the settings of the CUE to control panel copies the settings to another CUE The CUE units must have the same firmware version See section 10 6 16 Firmware version 2 16 17 5 Menu OPERATI...

Страница 46: ...o the power supply after the alarm occurred Warning log 1 10 1 14 In case of a warning the last five warning indications will appear in the warning log Warning log 1 shows the latest fault Warning log...

Страница 47: ...ation is confirmed the figure in the above display will be increased by one 17 6 10 Time until relubrication of motor bearings 2 10 This display is only shown if display 2 11 is not shown This display...

Страница 48: ...display shows the version of the software 17 6 17 Configuration file 2 17 This display shows the configuration file 17 7 Menu INSTALLATION 17 7 1 Control mode 3 1 Select one of the following control m...

Страница 49: ...difficult to observe that the motor is unstable 2 Set the gain Kp to half the value of the value which made the motor unstable This is the correct setting of the gain 3 Reduce the integral time Ti unt...

Страница 50: ...one of the following functions Min min curve Max max curve Ext fault external fault Flow switch Alarm reset Dry running from external sensor Accumulated flow pulse flow only terminal 33 Not active Th...

Страница 51: ...w flow detection function which functions if the digital input is not set up for flow switch 2 A flow switch connected to the digital input 1 Low flow detection function The pump will check the flow r...

Страница 52: ...ontinuous operation at high flow Fig 53 Constant level with stop function Difference between start and stop levels H Low flow can be detected in two different ways 1 With the built in low flow detecti...

Страница 53: ...onnect the other pump to the mains supply Make the necessary settings in menu OPERATION and INSTALLATION Set the duty standby function to Active The running pump will search for the other pump and aut...

Страница 54: ...when it is time to relubricate or replace the motor bearings See display 2 10 and 2 11 The warning indication and the estimated time take into account if the pump has been running with reduced speed F...

Страница 55: ...mand a current will be applied to the motor windings The standstill heating function pre heats the motor to avoid condensation 17 7 21 Ramps 3 24 Set the time for each of the two ramps ramp up and ram...

Страница 56: ...min curve to the setpoint set via the CUE menu See fig 56 Fig 56 Relation between the actual setpoint and the external setpoint signal in control mode Open loop The On Off button has the highest prior...

Страница 57: ...or another external control system Operating parameters such as setpoint and operating mode can be remote set via the bus signal At the same time the pump can provide status information about importa...

Страница 58: ...rox 30 seconds Switch on the power supply and press OK in the alarm display to reset the alarm 22 3 Indicator lights The table show the function of the indicator lights 22 4 Signal relays The table sh...

Страница 59: ...wer P2 Enclosure class and type 1 x 200 240 V 3 x 200 240 V 3 x 380 500 V 3 x 525 600 V 3 x 525 690 V kW HP IP20 NEMA0 IP21 NEMA1 IP55 NEMA12 IP20 NEMA0 IP55 NEMA12 IP20 NEMA0 IP55 NEMA12 IP20 NEMA0 I...

Страница 60: ...option 26 4 10 0 9 7 9 7 0 33 0 59 C1 26 8 25 5 12 1 10 7 12 2 12 2 0 47 0 75 0 35 0 39 99 2 C2 30 3 29 1 14 6 13 1 13 2 13 2 0 47 0 75 0 35 0 39 143 C3 21 7 20 5 12 1 10 6 13 1 13 1 0 33 0 67 77 2 wi...

Страница 61: ...V 1 1 20 gG 4 1 5 30 gG 10 2 2 40 gG 10 3 40 gG 10 3 7 60 gG 10 5 5 80 gG 10 7 5 100 gG 35 3 x 200 240 V 0 75 10 gG 4 1 1 20 gG 4 1 5 20 gG 4 2 2 20 gG 4 3 32 gG 4 3 7 32 gG 4 5 5 63 gG 10 7 5 63 gG...

Страница 62: ...5017906 020 KTN R20 ATM R20 A2K 20R 10 5 5 KTS R30 JKS 30 JJS 30 5012406 032 KTN R30 ATM R30 A2K 30R 10 7 5 KTS R30 JKS 30 JJS 30 5012406 032 KTN R30 ATM R30 A2K 30R 10 11 KTS R40 JKS 40 JJS 40 50140...

Страница 63: ...frequency 50 60 Hz Maximum temporary imbalance between phases 3 of rated value Leakage current to ground 3 5 mA Number of cut ins enclosure A Max 2 times min Number of cut ins enclosures B and C Max 1...

Страница 64: ...next column in menu structure 3 Changes to help text 4 Goes up in lists 5 Goes down in lists 6 Increases the value of a selected parameter 7 Reduces the value of a selected parameter 8 Goes one displ...

Страница 65: ...50 60Hz Max 22W CU 362 98146953 VO1 1 2 4 5 3 0536 1228 30 XP 12V dc Battery powered 0V 12V 96801950 Warning Switch off the power supply before making connections Make sure that it cannot be accidenta...

Страница 66: ...with the unit pos 1 Maximum torque 1 4 Nm Dimensions of the CU 3X2 see section 14 Dimensions Fig 6 Mounting in panel front standard Connect the earth terminal between the cable clamps on the CU 3X2 to...

Страница 67: ...for GENIbus Connect the screen to the cable clamp of the CU 3X2 in front of the terminals A1 Y1 and B1 See fig 8 Also use screened cable for the CIM module Fig 8 Screen fixed with cable clamp Signal...

Страница 68: ...rately Connect the CIM module as described in the installation and operating instructions supplied with the module 29 3 Fitting the CIM module The CIM module must be fitted by an authorised person 1 R...

Страница 69: ...pplied with the CIM module on the back cover See fig 13 Fig 13 Placing the new labels on the back cover 5 Refit the back cover to the CU 3X2 and secure it with the mounting screw See fig 14 Fig 14 Ref...

Страница 70: ...Use fuses that comply with IEC 60127 USA and Canada branch circuit protection Use a UL CSA listed non time delay high capacity fuse that complies with the UL248 series or an inverse time circuit break...

Страница 71: ...nsulated from all other terminal groups by reinforced insulation 2224 VAC All control terminals in groups 2 3 5 and 6 are supplied with SELV voltage Safety Extra Low Voltage TM04 2367 2408 Battery mak...

Страница 72: ...nput 11 GND 12 DI2 13 GND 14 DI3 All terminals except mains terminals must only be connected to voltages not exceeding 16 Vrms and 22 6 Vpeak or 35 VDC 6 Ethernet RJ45 External computing devices conne...

Страница 73: ...dule See also section 29 3 Fitting the CIM module 1 Switch off the power supply to the CU 3X2 2 Switch off the power supply to components with external supply 3 Mark the individual conductors with the...

Страница 74: ...no 6 Do not discard the permanent screen Installation Fig 1 Pump installation with suction diffuser 1 39 2 Operation and Maintenance Periodically dependent on system conditions open the suction diffus...

Страница 75: ...75...

Страница 76: ...be think innovate...

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