Danfoss 084H5002 User Manual Download

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ir.danfoss.com

User Guide

Intelligent Purging System (IPS 8)

Ammonia

ir.danfoss.com

148R9653

Info for UK customers only

Danfoss Ltd. Oxford Road, UB9

4LH Denham, UK

230 V AC, 60 Hz

Other IPS 8 User Guide languages

Summary of Contents for 084H5002

Page 1: ...danfoss com User Guide Intelligent Purging System IPS 8 Ammonia ir danfoss com 148R9653 Info for UK customers only Danfoss Ltd Oxford Road UB9 4LH Denham UK 230 V AC 60 Hz Other IPS 8 User Guide languages ...

Page 2: ...chnical data 4 Ordering 4 Introduction 5 Features 5 Working principle 6 Working cycle 7 Air traps 8 Connection locations 9 Connection points 11 Installation 12 Electrical wiring 14 Light Indicators 16 Quick Startup 17 General display 17 Configuring using the LCD 18 Modbus RTU 20 Maintenance Service Disposal 27 Contents ...

Page 3: ...sign Engineer Signature Name Behzad Parastar Title Product Manager Danfoss only vouches for the correctness of the English version of this declaration In the event of the declaration being translated into any other language the translator concerned shall be liable for the correctness of the translation ID No 084R9456 This doc is managed by 500B0577 Revision No AA Page 1 of Danfoss A S 6430 Nordbor...

Page 4: ...smitter evaporator soldered AKS 32R x 060G3552 Compressor including Start relay box and Start and Run Capacitor x 123B2156 Compressor Hi temp sensor x 084N2003 Expansion valve R452A x 068U3881 Sight glass x 014 0191 Pressure transmitter R717 Threaded AKS2050 x 060G5750 Thermostat for crankcase heater control x 060L111166 Temperature sensor R717 AKS 21M x 084N2003 Pressure switch for Fan x Contact ...

Page 5: ...r bath Through the flanged opening the purger unit has access to the parameters from the ammonia plant required for full electronic control The unit runs automatically in 24 hour cycles checking for the presence of NC gases and if present removes the NC gases To regain and retain the design capacity of the main ammonia system and prevent future air accumulation it is highly recommended to install ...

Page 6: ...rocess As the NC gas concentration in the heat exchanger 12 increases the R452A heat exchanger pressure and temperature will simultaneously decrease The controller continuously monitors the R452A heat exchanger pressure as well as ammonia pressure and temperature When the R452A pressure reaches a predefined pressure difference when compared with the ammonia pressure temperature it prepares to purg...

Page 7: ...ll stay open until sufficient condensing ammonia is present to lift the R452A evaporating temperature above the upper threshold The compressor will continue running and if the temperature again decreases below the lower threshold a new purge will be performed This process will be repeated until the R452A heat exchanger temperature stays above the lower threshold for 45 minutes following the previo...

Page 8: ... the pressure in the receiver the same as in the compressor discharge line The pressure in the condenser outlet is lower due to the pressure loss in the condenser Since the condenser outlet pressure is lower than in the receiver it is therefore necessary to mount the condenser higher than the receiver and allow for a higher liquid level in the piping between the condenser and the receiver b The li...

Page 9: ...uid return drop leg c connected in parallel with the condenser s drop legs b When the purger is connected to the receiver i e solenoid px open the liquid level in the air purgers drop leg c will be equal to the receiver liquid level 3 when the purger is connected to the condenser outlet i e solenoid py open the liquid level will be equal to the liquid level in the condenser drop leg b Fig 6 Purger...

Page 10: ...herwise the air purger can flood and potentially purge ammonia liquid The purger liquid return leg c must always be mounted vertically or at minimum with a downward slope The solenoid valves at the connection points must never be activated at the same time Finalize purging at one location before switching to the next General Fig 8 Purger connections pv Drain Piping c must be vertical downward slop...

Page 11: ...o be setup in the MCX controller after power up Both power and control wiring of the installed solenoid valves coils should take place prior to first power up Multi point purging NEVER HAVE MORE THAN 1 PURGE POINT OPEN AT A TIME Always close one purge valve before opening the next This is done by turning the purger unit power on label y02 and entering the number of actual purge points in the progr...

Page 12: ...all the unit on an even horizontal base 0 05 to 1 1 meter 2 to 43 in above a service platform with sufficient support and allowing the purger subframe to be bolted to the support see example in Fig 12 Maintain recommended distances in all directions Fig 12 to allow fan cooling and servicing Always leave the unit off for at least 12 hours from finished installation to first time power up It is impo...

Page 13: ... with local or national regulations Note Prior to replacing the water in the water tank ensure that the purger is switched off and the shut off valve at the flanged purger inlet is closed Leave the unit in this condition for a period to allow the remaining gas in the piping to be dissolved released Watch out for bubbles Establish a procedure for regular checking the pH level and bubble pattern If ...

Page 14: ...WARNING ON OFF Switch STANDBY RUN ERROR PURGING Key Lock COM AI1 AI2 ANALOG INPIT 1 6 COM AI7 AI8 AI9 AI10 5V ANALOG INPUT 7 10 DI 2H DI 2 COM DIGITAL INPUT 2 CAN CAN RJ MCX DI 3H DI 3 COM DIGITAL INPUT 3 DI 4H DI 4 COM DIGITAL INPUT 4 AO5 COM ANALOG OUTPUT 5 6 DIGITAL OUTPUT 15 AI3 5V 12V 5V AI4 AI5 L N POWER DI 17 DI 18 COM COM DIGITAL INPUT 17 18 DI 13 DI 14 DI 16 COM DIGITAL INPUT 13 16 DI 15 ...

Page 15: ...ase heater 24V DC 0V DC Power supply MCX15B Power supply Solenoid valves Condenser Fan 230V AC QS1 QM1 QM2 GD1 GD2 QM3 KL1 KL1 TR RC NO 1 C 1 NO 2 C 2 NO 3 C 3 NO 4 C 4 NO 5 C 5 N 1 L 1 NO 6 C 6 NO 7 C 7 NO 8 C 8 NO 9 C 9 NC 15 C 15 NO 15 NC 14 C 14 NO 14 NC 13 C 13 NO 13 NC 12 C 12 NO 12 NC 11 C 11 NO 11 NC 10 C 10 NO 10 9 8 1 2 3 4 5 6 7 10 11 12 13 14 17 18 15 16 Solenoid valve System running S...

Page 16: ...lectrical wiring continued Fig 19 Controller MCX15B Inputs Light Indicators 21 22 23 19 20 5V DI COM DI 1 COM DI 1H DI 5 DI 6 DI 7 DI 8 12V AI 4 AI 1 AI 2 AO 1 AO 2 AO 3 D GND D CAN H R120 CAN L CAN GND CAN H ID CAN L CAN GND DI 9 DI 10 DI 11 DI 12 DI 13 DI 14 DI 15 DI 16 COM DI 17 DI 18 DI 2 DI 2H DI 3 DI 3H DI COM DI 4 DI 4H DI COM D GND D AO 4 L1 N 1 AI 5 AI 6 COM AO 5 COM AO 6 COM COM AI 7 AI ...

Page 17: ...rameters 4 Choose Unit Config 5 Choose Valve Settings 6 Enter the amount of purge solenoid valves connected to the IPS R717 low Pres limit Actual R717 Pres Actual R452A Pres Upper Threshold for Purge Valve Lower Threshold for Purge Valve Actual R452A Temp Compressor on Error Alarm Purge valve open Purge point 1 8 Main screen current informa on on IPS status Status of purging process and purging co...

Page 18: ...up down Reset alarms Reset all actual alarms Log history View log history Clear log history Clear log history Login Password 200 N A Start Turn On Main swith ON Turn Off Main swith OFF Parameters Unit config Compressor 0 sec 100 sec 20 sec SDT Compressor start delay CM2 5 min 2000 min 45 min PDT Pull down time CM3 180 min 2000 min 1440 min CST Cycle time CM4 24 hours 768 hours 160 hours PLT Endles...

Page 19: ...4 Low temperature Indicates too low ambient temperature 10 C Too low ambient temperature Move the IPS to a higher ambient temperature E05 High temperature Indicates too high ambient temperature 120 C Too high ambient temperature Move the IPS to a lower ambient temperature E05 High temperature Low R452a charge because of possible leak Locate and repair leak Evacuate Move the IPS to a lower ambient ...

Page 20: ...on User Level Min Value Max Value Default Value Unit Type Read Write Modbus Function Code Modbus Data Type Persistent Yes No GENERAL SETUP 3001 ON OFF 0 Main switch off 1 Main switch on 2 0 1 1 Enum 1 RW 3 6 Short Yes 3002 Activate Multipurger Switch on off multipurging functionality 0 No 1 Yes switch on multipurging functionality 2 0 1 1 Enum 2 RW 3 6 Short Yes 3003 Restore default parameters 0 N...

Page 21: ...urge valve activations 0 2147483648 2147483647 0 N A Read only 3 Long No 8108 ComprTime Remaining time for compressor pull down for the actual purge pointr cycle 0 2147483648 2147483647 0 Minutes Read only 3 Long No 8110 COmprStartAfter The delay between the purging cycles 0 2147483648 2147483647 0 Minutes Read only 3 Long No 9901 Advanced Setting ResetMem Recommend default setting only All logged...

Page 22: ...32767 0 Read only 3 Long No 8139 PP4 The time percentage for this purge point 0 32768 32767 0 Read only 3 Long No 8141 PP5 The time percentage for this purge point 0 32768 32767 0 Read only 3 Long No 8143 PP6 The time percentage for this purge point 0 32768 32767 0 Read only 3 Long No 8145 PP7 The time percentage for this purge point 0 32768 32767 0 Read only 3 Long No 8147 PP8 The time percentage...

Page 23: ... 1 0 AUTO R Read only 3 Long No 1901 13 Hi temperature Indicates too high ambient temperature 120 C 0 0 1 0 AUTO R Read only 3 Long No 1901 14 Low pressure BPL Indicates too low R452a pressure 0 0 1 0 AUTO R Read only 3 Long No 1901 15 Hi pressure BPL Indicates too high R452a pressure 0 0 1 0 AUTO R Read only 3 Long No 1901 00 Low pressure BPH Indicates too low R717 pressure 0 0 1 0 AUTO R Read on...

Page 24: ...larm General Alarm input 2 0 1 0 N O Read only 3 Short No 1001 11 LiquidAlarm Liquid Alarm input 2 0 1 0 N O Read only 3 Short No DIGITAL OUTPUTS 0 OFF 1 ON 1003 08 Compressor Compressor relay 2 0 1 N A N O Read only 3 Long No 1003 09 Valve Main purge valve relay 2 0 1 N A N O Read only 3 Long No 1003 10 Green Status LED 2 0 1 N A N O Read only 3 Long No 1003 11 Yellow Status LED 2 0 1 N A N O Rea...

Page 25: ...oint purging from receiver 1 Close all supply lines from the purge points of the ammonia system Do not close any stop valve between IPS 8 and float valve Restart the controller to force pump down 2 Restart the controller to force pump down Wait 20 minutes 3 Wait 20 minutes 4 Stop the compressor by turning the compressor switch QM1 to the off position Stop the compressor by turning the compressor s...

Page 26: ...26 BC344024774466en 000401 Danfoss DCS ms 2021 04 ...

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