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User Guide

Intelligent Purging System (IPS 8) for Ammonia - Technical data, installation and use

20 | BC344024774466en-000201

2021.03

Navigation - built in MCX

controller

(Placed at the rear of the front

panel door)

Quick Startup

After switching on the controller, a display

window will momentarily show the actual

software version, followed by the default main

operating window shown in Fig. 26.

While in operation mode, the Up/Down arrow

buttons lead the user to the status windows

described in Table 01 below.

Fig. 26 - Default main window. Operating (start) mode. (Examples only)

Table 01 - Status windows

Purge Point percentage

Distribution of the actual purging on the various purge points

Dis. temp.

Actual R452A discharge temperature (°C)

Main Window

default See above

Cycle info

Acc. time Purge valve open (h)

Past events

Last 7 purging events (min)

For the fastest possible system configuration after connecting all purge points to the IPS and following

first power up of the IPS, follow these simple instructions:

1. Navigate from the Main Menu to Login

2. Enter password '200'.

3. Choose 'Parameters'.

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 informaon on IPS status

Status of purging process and purging counters

Log of purging events

Informaon on Purge points acvity

Temperature and superheat status

Esc

Down

Enter

Not

Used

Содержание IPS 8

Страница 1: ...ide Intelligent Purging System IPS 8 Ammonia UL approved 230 V AC 60 Hz Field coils 115 V AC 60 Hz ir danfoss com 148R9654 Other IPS 8 User Guide languages Info for UK customers only Danfoss Ltd Oxford Road UB9 4LH Denham UK ...

Страница 2: ...otice 3 Technical 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 19 Quick Startup 20 Navigation built in MCX controller 20 Configuring using the LCD 21 Modbus RTU 24 Maintenance Service Disposal 25 Contents ...

Страница 3: ...ered in this product information In addition to this product information and the accident prevention regulations applicable for the respective country and area where the product is used the technical regulations for safe and professional work must also be observed This product information has been written in good faith However Danfoss cannot be held responsible for any errors that this document ma...

Страница 4: ...03 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 Danfoss Pressure safety switch x Contact Danfoss For closing system flange during system pressure testing Technical data Supply voltage 230 V 10 AC 1ph 60Hz ...

Страница 5: ...e through e g a water 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 rec...

Страница 6: ...ugh a continuous process 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 i...

Страница 7: ...e The purge valve will 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 ...

Страница 8: ...qualizing line makes 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 t...

Страница 9: ...ust have its own liquid 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 dro...

Страница 10: ...er connections pv Drain Piping c must be vertical downward slope Follow the installation guide strictly during Purger installation Install the Purger unit in a location where the bottom flange level and any gas inlet connection level is above any possible ammonia liquid level Liquid drain piping from the purger must always have a downward slope Install a shut off valve close to the bottom flange e...

Страница 11: ...e points connected needs to 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 Parameter Name Activate Multipurger and ent...

Страница 12: ...ll times from receipt to final installation Use all 4 lifting eyes Fig 11 and suitable lifting gear during installation Weight of IPS 125kg 276 lbs Install 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 direction...

Страница 13: ...he purge solenoid valve for blow off of NC gases in accordance 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 proc...

Страница 14: ...LOSURE RATING DANFOSS INTELLIGENT PURGING SYSTEM IPS 8 NAM RIV19E01 1PH N GRD 230V 60Hz 6 2A 4 19A 0 24A 18kA 03 2020 TYPE 12 Via Laghi Calcinelli PU www progecoautomazione it 14GD1 Danfoss 080Z0055 16D0 Danfoss MCX15B Piastra Plate Retroportella Rear of the door 25 x 100 FISSAGGIO SU PIASTRA RETROPORTELLA FIXING ON THE REAR DOOR PLATE ST1 M12 ST2 M12 ST3 M12 BPL M16 BPH M16 YV1 M16 TR M16 M2 M16 ...

Страница 15: ...nal Block For Field Installed Calibrate aux cont OF OF Calibrate aux cont OF OF Calibrate aux cont OF OF Fig 17 Fig 18 10GRD Main protection shall be provided in the field use Fuse 16A CC Fast or Circuit Breaker C16A Use Copper Conductors Only 75 Terminal Block For Field Installed Torque 0 5 0 6 Nm Field Installed Insulate conductors in heat shrink tubing with signaling 10QF0 Electric Panel TERRE ...

Страница 16: ...on and use 16 BC344024774466en 000201 Danfoss DCS ms 2021 03 Electrical wiring continued Fig 19 Fig 20 RC CRANKCASE HEATER Field Installed Use Copper Conductors Only 75 Terminal block torque 0 5 0 6 Nm 15KM4 12QF4 Terminal Block For Field Installed 14QF7 14QF5 14QF6 14GD1 14T1 14QF8 ...

Страница 17: ...D VALVE 16D0 Q7 SOLENOID VALVE 16D0 Q8 SOLENOID VALVE 16D0 Q9 SOLENOID VALVE PSH HIGH PRESSURE Field Installed YV1 Field Installed YVICFED Field Installed Y1 Y2 Y3 Use Copper Conductors Only 75 Terminal block torque 0 5 0 6 Nm Terminal Block For Field Installed SOLENOID VALVE Q14 16D0 ALARM Q15 16D0 Y4 Field Installed Y5 Y6 Y7 Y8 Use Copper Conductors Only 75 Terminal block torque 0 5 0 6 Nm Termi...

Страница 18: ... 16D0 16D0 16D0 16D0 11FR1 11FR2 11FR3 11QF1 11QF2 11QF3 OF OF OF Field Installed Use Copper Conductors Only 75 Terminal block torque 0 5 0 6 Nm Terminal Block For Field Installed 16D0 I5 AVAILABLE 16D0 I6 AVAILABLE 16D0 I7 AVAILABLE 16D0 I8 AVAILABLE 16D0 I9 AVAILABLE 16D0 I10 AVAILABLE 16D0 I11 AVAILABLE 16D0 I12 AVAILABLE 16D0 16D0 16D0 I13 AVAILABLE 16D0 I14 AVAILABLE 16D0 I15 AVAILABLE 16D0 I...

Страница 19: ...n x x x The purger continuous purging until max running period default 160 h is reached and the purger compressor will stop The purger compressor stops when alarm occurs Light Indicators 21HL1 21HL2 21HL3 PURGING Progeco srl MODEL WIRING DIAGRAM ELECTRIC SUPPLY FULL LOAD CURRENT Industrial control panel for general use LARGEST MOTOR FLA LARGEST RESISTANCE RLA SCCR CURRENT CONSTRUCTION YEAR ENCLOSU...

Страница 20: ...al R452A discharge temperature C Main Window default See above Cycle info Acc time Purge valve open h Past events Last 7 purging events min For the fastest possible system configuration after connecting all purge points to the IPS and following first power up of the IPS follow these simple instructions 1 Navigate from the Main Menu to Login 2 Enter password 200 3 Choose Parameters 4 Choose Unit Co...

Страница 21: ...re threshhold for compressor 5 12 6 5 bar RW 3052 F10 Setpoint Pressure threshhold for compressor 70 174 94 0 Psi RW 3053 UNI Service Unit UN1 Unit sensor Select metric or imperial units US 0 Metric 1 Imperial 0 1 0 Metric RW 3056 LOG Status var MCX Design Hotspots C01 Reset Alarms Reset alarm 0 2 0 RW 1859 V02 SystemOnOff Feedback from the main switch 32768 32767 0 Read 8101 V03 ValveStatus Feedb...

Страница 22: ...indicates if the purge point is active 32768 32767 0 Read 8151 V32 Val2 This indicates if the purge point is active 32768 32767 0 Read 8152 V33 Val3 This indicates if the purge point is active 32768 32767 0 Read 8153 V34 Val4 This indicates if the purge point is active 32768 32767 0 Read 8154 V35 Val5 This indicates if the purge point is active 32768 32767 0 Read 8155 V36 Val6 This indicates if th...

Страница 23: ...902 08 E17 Suction sensor error Indicates no signal from temperature sensor 0 1 AUTO ACTIVE Read 1902 09 E18 Tsh Alarm Superheat alarm 0 1 AUTO ACTIVE Read 1902 10 E19 NC Temp Sensor Hi tempera ture High alarm non condensable temperature 0 1 AUTO ACTIVE Read 1902 11 E20 NC TempSens Low temperature Low alarm non condensable temperature 0 1 AUTO ACTIVE Read 1902 12 E21 TempSucion Sens Hi tempera tur...

Страница 24: ...vided for segments crossing buildings Common ground shall be used for all devices on the same network inclusive router gateways etc All bus connections in the cables are made with twisted pair wires The recommended cable type for this is AWG 22 0 32 mm2 If used for longer distances please use a AWG 20 0 5mm2 or AWG 18 0 75mm2 cable The cables characteristic impedance shall be between 100 130Ω The ...

Страница 25: ...s no signal from temperature sensor Cable is cut or sensor is missing Check connection E16 Discharge sensor error Indicates no signal from temperature sensor Cable is cut or sensor is missing Check connection E17 Suction sensor error Indicates no signal from temperature sensor Cable is cut or sensor is missing Check connection E02 BPL Sensor Fault Indicates no signal from pressure sensor R452a Cab...

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