Grundfos Hydro 2000 F, Installation And Operating Instructions Manual

Page 1: ...Hydro 2000 F Installation and operating instructions GRUNDFOS INSTRUCTIONS ...

Page 2: ...Directives on the approximation of the laws of the EC Member States relating to Machinery 98 37 EC Standard used EN 292 Electromagnetic compatibility 89 336 EEC Standards used EN 61 000 6 2 and EN 61 000 6 3 Electrical equipment designed for use within certain voltage limits 73 23 EEC 95 Standard used EN 60 204 1 Bjerringbro 1st August 2003 Jan Strandgaard Technical Manager 2 ...

Page 3: ...it 19 3 2 20 Operation at minimum limit 19 3 2 21 Minimum pre pressure 19 3 3 Pump parameters 19 3 3 1 Maximum head 20 3 3 2 Operating hours 20 3 3 3 Start time 20 4 Installation 20 4 1 Location 20 4 2 Hydraulic installation 20 4 3 Electrical connection 20 5 Start up 21 5 1 Hydro 2000 F without a PMU 2000 21 5 1 1 Setting via a temporarily connected PMU 2000 21 5 2 Hydro 2000 F with a PMU 2000 21 ...

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Page 5: ... water in waterworks blocks of flats hotels industry hospitals schools etc The Hydro 2000 F range includes two types of systems i e MF and MFH 1 2 Related documents For some booster sets the detailed information can be found in the related documents List of Control Parameters factory configuration Wiring diagram Installation and operating instructions Installation and operating instructions for th...

Page 6: ...wing functions Closed loop control On off operation at low flow Automatic pump changeover to mains operation in case of damage to the frequency converter Automatic cascade control of pumps Selection of switching sequences automatic pump change and pump priority Manual operation Possibility of various analog setpoint influences friction loss compensation flow dependent setpoint control with or with...

Page 7: ... demand thus achieving a system size corresponding to the consumption The frequency converter controlled pump will always start first Pump changeover is automatic and depends on load time and fault Besides all pumps will be controlled by the frequency converter in rotation GRUNDFOS Hydro 2000 MFH maintains a constant pressure through continuously vari able adjustment of the speed of one half size ...

Page 8: ...ion if a PMU 2000 is installed PMU 2000 operating signal relay for indication of operating condition if a PMU 2000 is installed GRUNDFOS BUS communication See also section 9 Operating and fault indications Fig 4 Fig 5 PFU 2000 front cover Reset TM00 2721 1302 PMU 2000 front cover TM00 7023 1302 3 1 2 PFU 2000 RAM settings The PMU 2000 maintains the PFU 2000 RAM settings as long as the units are co...

Page 9: ...e section 6 3 1 PFU 2000 DIP switch settings If the function selector in the PFU 2000 has been turned to posi tion MAX the setpoint influences clock program and remote on off are not effective Start stop of pumps display 301 on The pump is ready for operation off The pump is switched off Operation with PFU 2000 EPROM settings The controller will operate according to the local control parame ter se...

Page 10: ...eed pump systems is the possibility of maintaining a constant discharge pressure irrespec tive of flow and pre pressure To avoid unnecessary energy con sumption at low flow it is possible to operate the system with an adjustable pressure hysteresis on off band If only one pump is operating at low speed changeover to on off mode will be attempted by checking whether the flow is low enough approx on...

Page 11: ...with PFU 2000 RAM PMU 2000 settings If the system demand varies during the day and or during the week the pump performance required will also vary In this case a clock program can be set in order to achieve optimum perform ance of the pumps It is possible to set a total of 10 switching times all with individual setpoints If setpoint max display 200 is changed after the clock program has been set t...

Page 12: ...iority to 8 lowest priority In systems type MFH all pumps must be set to the same priority Different settings will be ignored The default setting is 1 Operation with PFU 2000 EPROM settings The default setting is 1 3 1 14 GRUNDFOS BUS The GRUNDFOS BUS protocol must be observed in the system configuration mainly if various controllers are connected via a GRUNDFOS BUS Fig 13 Possible number of pumps...

Page 13: ...h pumps have been allocated will appear The control parameter can only be selected in the presetting sub menu display 111 Possible control parameters for zone type PFU 1 Differential pressure 2 Differential temperature 3 Flow pipe and return pipe temperatures 4 Flow 5 Level 6 Open loop 7 Pressure 8 Pressure with pre pressure measuring The control parameter is set in two steps Select control parame...

Page 14: ...tpoint The selected setpoint influences reduce set point max according to their settings More than one setpoint influence can be active simultaneously The influence types are described below The product of all influ ences and setpoint max forms setpoint act For further information see section 3 2 4 Setpoint Progressive proportional friction loss compensation If the system is to compensate for fric...

Page 15: ...ion in circulation systems if a flow meter signal is available flow I An internal flow signal controls the setpoint in accordance with a table Examples of application Flow dependent compensation of pressure drop in water supply systems or differential pressure drop compensation in circulation systems if no flow meter sig nal is available Remote control of setpoint via a PCU 2000 Via PCU 2000 input...

Page 16: ... two switchings on off of pumps Operation with PFU 2000 RAM PMU 2000 settings To prevent hunting in the system and to limit pressure and current surges a minimum time between switching the individual pumps on and off can be set display 205 The higher the set value sec the bigger the risk of differences between setpoint and actual value In order to avoid that the actual value exceeds max limit the ...

Page 17: ...configuration The PFU 2000 analog input 3 receives a setpoint influence signal in accordance with the setting in setp influence display 202 The necessary hardware configuration is described in section 6 3 1 PFU 2000 DIP switch settings The default function of the PFU 2000 analog input 3 without a PMU 2000 is extern in linearly from 0 to 100 For further information see section 3 2 5 Setpoint influe...

Page 18: ...ing is 10 minutes Fig 21 Setp act Ramp time Time Max Ramp time TM00 5006 4894 3 2 15 PFU 2000 input 4 configuration The PFU 2000 digital input 4 can be used for external control of the zone Only one function per zone can be selected Operation with PFU 2000 RAM PMU 2000 settings The default setting is off The following functions are possible display 222 off Input 4 has no function remote on off Whe...

Page 19: ...rol functions take maximum head and start time for each pump into account The operating hours are counted The settings are listed in the List of Control Parameters Min limit Q set H H Minimum limit TM00 8297 2596 3 2 17 Minimum pump speed limit Operation with PFU 2000 RAM PMU 2000 settings Minimum pump speed limits the lowest operating point The value is set in the setting menu The setting range i...

Page 20: ...ontrol 2000 F and the pumps are suitable for the electricity supply on which they will be used Pay special at tention to Important Notes in the wiring diagram If the motors cannot be seen from the control box they must be fitted with a repair switch For further information see section 11 4 Electrical data The installation and operation should be in accord ance with local regulations and accepted c...

Page 21: ...ther information see section 3 1 5 Manual on off and setting to max or local 1 2 3 4 L NPE 1 2 3 4 5 6 7 8 9 PMU 2000 1 Electricity supply 2 Operating signal output 3 Fault signal output 4 BUS connection plug TM00 7802 2096 5 Start up 5 1 Hydro 2000 F without a PMU 2000 To start up a booster set Hydro 2000 F without a PMU 2000 fol low this procedure 1 Check that the booster set corresponds to the ...

Page 22: ... to make yourself familiar with the PMU 2000 menus However the Enter button must not be pressed if unintentional settings have been made All settings are buffered also if the electricity supply is switched off Explanation to the front cover operating buttons Status displays for all pumps connected Status displays for all zones Setting menus for all control parameters Setting of control parameter f...

Page 23: ...ndicates the following I Pumps 1 2 4 and 6 are operating A Fault indication on pump 3 The fault can be identified in the fault indication menu O Pump 5 is not operating The reason can be found in the pump status menu Pump 7 is allocated to a zone but it has not yet been con nected to the PMU 2000 or the electricity supply to the pump was never switched on Pump 8 has not been allocated to any zone ...

Page 24: ...re pressure measuring 4 20 mA Water shortage monitoring contact signal OFF ON ON OFF OFF ON 1 Without a PMU 2000 1 1 Operation on the basis of EPROM settings in the PFU 2000 1 2 Operation on the basis of data stored in the PFU 2000 RAM 2 With a PMU 2000 2 1 Operation on the basis of current PMU 2000 data ON OFF OFF Friction loss compensation No friction loss compensation 10 friction loss compensat...

Page 25: ...cted Each fault condition except for faults which do not disturb the op eration increases the number of restarting attempts The number of stored restarting attempts is reduced to zero by manual resetting and a restarting attempt can be made immedi ately Otherwise the number of stored restarting attempts will be re duced by one every three hours after the alarm disappears After a certain time witho...

Page 26: ...nsmitter fault fault zone X sensor AIX If a transmitter fault is registered the fault indication fault zone X sensor AI X appears Transmitters with current output 0 20 mA or 4 20 mA and temper ature transmitters NTC 150 0 150 C or NTC 50 25 50 C are monitored according to the following signal limits Sensor AI 1 to sensor AI 3 fault 4 20 mA AI X 2 mA or AI X 22 5 mA for 5 secs 0 20 mA AI X 22 5 mA ...

Page 27: ...be lubricated with a high temperature lithium based grease see the instructions on the fan cover of GRUNDFOS motors In the case of seasonal operation motor is idle for more than 6 months of the year it is recommended to grease the motor when the pump is taken out of operation 8 1 3 Frost protection Pumps which are not being used during periods of frost should be drained to avoid damage Drain the p...

Page 28: ...n Off Off Electricity supply switched off or supply failure Off Permanently on At least one pump in each zone is in operation Off Flashing All pumps in at least one zone have been stopped via external on off switch or via function selector in PFU 2000 pos STOP via PFU 2000 PMU 2000 Permanently on Off At least one pump is stopped due to fault Permanently on Permanently on At least one pump is or ha...

Page 29: ...consumption a Pre pressure too low Check the suction pipe and possible suction strainer b Suction pipe pumps partly blocked by impurities Clean the suction pipe pumps c Pumps suck air Check the suction pipe for leakages d Pressure transmitter defective Replace the transmitter 4 Pumps are running but deliver no water a Suction pipe pumps blocked by impurities Clean the suction pipe pumps b Non retu...

Page 30: ...emperature See installation and operating instructions for CR pumps Hs Safety margin of minimum 0 5 metres head Note During operation pressure drops in the manifold will in crease the required minimum pre pressure Maximum pre pressure See installation and operating instructions for CR pumps 11 2 Operating conditions Liquid temperature Maximum 70 C Ambient temperature 0 C to 40 C Operating pressure...

Page 31: ...ital NTC 50 Measuring range 25 C to 50 C Resistance value at 25 C 30 kŸ NTC 150 Measuring range 0 C to 150 C Resistance value at 25 C 100 kŸ 15 Analog input 3 Signal for remote setting of setpoint Note In systems without PMU 2000 only DC 0 10 V can be used DC 0 10 V 0 20 mA 4 20 mA 16 Digital input 4 Without PMU 2000 For pressure boosting and water supply applications input 4 is laid out for a flo...

Page 32: ...umped liquid which passes through pumps a zone within a certain period e g indicated in m h Head Head designates the pressure increase imparted to the liquid by the pump e g indicated in m Local operation When the pumps zone are not controlled via a PMU 2000 but ac cording to the settings made via the PFU 2000 the operating mode is referred to as local Max operation When the pumps zone are control...

Page 33: ...e A 12 UPE 3 op loop Zone A 12 PFU 1 diffpr Zone A 12 PFU 2 tempdif Zone A 12 PFU 3 temp Zone A 12 PFU 4 flow Zone A 12 PFU 5 level Zone A 12 PFU 6 op loop Zone A 12 PFU 7 press Zone A 12 PFU 8 press Basic menu 100 1 2 3 4 5 6 7 8 Status I I 0 A M 101 Configuration 12345678 set to zone AAC 102 Configuration presetting 103 Configuration Mon clock 11 07 h 21 07 94 104 Configuration alarm suppression...

Page 34: ... s 205 Set A min sequence 5 s 214 Set A control function normal 219 Set A press 4 20mA 1 0 bar 10 bar 216 Set A prepress measuring off 217 Set A influence off 222 Set A input 4 off 227 Set A 12 pump priority 11 228 Set A max limit 10 bar 229 Set A min limit 0 0 bar 230 Set A min limit operation on Set A End of menu 232 pump 1 maximum head 10 bar 233 pump 1 running hours 0 h pump 1 End of menu 232 ...

Page 35: ... influence setpoint max 5 0 bar Zone A setp influence remote 5 0 bar Zone A setp influence setpoint act 5 0 bar Zone A setp influence End of menu 406 Zone A clock program End of menu 408 Zone A system time 2 0 s 409 Zone A min sequence 5 s 412 Zone A control function normal 416 Zone A press 4 20mA 1 0 bar 10 bar 414 Zone A prepress measuring off 415 Zone A influence off 419 Zone A input 4 off 422 ...

Page 36: ...nce 5 s 214 Set A control function normal 219 Set A press 4 20mA 1 0 bar 10 bar 216 Set A prepress measuring off 220 Set A press 4 20mA 2 0 bar 10 bar 217 Set A influence off 222 Set A input 4 off 227 Set A 12 pump priority 11 228 Set A max limit 10 bar 229 Set A min limit 0 0 bar 230 Set A min limit operation on 231 Set A min prepressure 0 0 bar Set A End of menu 232 pump 1 maximum head 10 bar 23...

Page 37: ... 0 bar Zone A setp influence setpoint act 5 0 bar Zone A setp influence End of menu 406 Zone A clock program End of menu 408 Zone A system time 2 0 s 409 Zone A min sequence 5 s 412 Zone A control function normal 416 Zone A press 4 20mA 1 0 bar 10 bar 414 Zone A prepress measuring off 417 Zone A press 4 20mA 2 0 bar 10 bar 415 Zone A influence off 419 Zone A input 4 off 422 Zone A 12 pump priority...

Page 38: ...060 Truccazzano Milano Tel 39 02 95838112 Telefax 39 02 95309290 95838461 Japan GRUNDFOS Pumps K K 1 2 3 Shin Miyakoda Hamamatsu City Shizuoka pref 431 21 Phone 81 53 428 4760 Telefax 81 53 484 1014 Korea GRUNDFOS Pumps Korea Ltd 6th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Phone 82 2 5317 600 Telefax 82 2 5633 725 Malaysia GRUNDFOS Pumps Sdn Bhd 7 Jalan Peguam U1 25 Gl...

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