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User Guide

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

18 | BC306932151284en-000201

Configuring using the LCD

By pressing the main menu will show up with the options below

Table 02

Main menu navigation

Main Menu

Submenu

Submenu/status Submenu/status

Min

Max

Default Description

Label

Alarms

Active alarms

No alarm
up to 15 alarms
(see table
below)

Up to 15 possible alarms listed by arrow 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 (Endless purging max time)

VA5

Limits settings

0 bar

5 bar

0.5 bar

Comp Diff (Hysteresis min allowed ammonia pressure)

CM5

0 bar

12 bar

6.5 bar

Setpoint (Min allowed ammonia pressure)

CM1

Input/Output

Input / Output Display & Config

Содержание IPS 8

Страница 1: ...ir danfoss com 148R9645 User Guide Intelligent Purging System IPS 8 for Ammonia Technical data installation and use ir danfoss com 148R9645...

Страница 2: ...1 Legal notice 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...

Страница 3: ...ng Ho Title Lead Design 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 declaratio...

Страница 4: ...rogrammed MCX 15 x 084H5052 Pressure transmitter evaporator soldered AKS 32R x 060G3552 Compressor including Start relay box and Start and Run Capacitor x 123F2126 Compressor Hi temp sensor x 084N2003...

Страница 5: ...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 cy...

Страница 6: ...ough 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 moni...

Страница 7: ...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 tempe...

Страница 8: ...ualizing 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 condense...

Страница 9: ...st 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 dr...

Страница 10: ...condensed in it Otherwise 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 soleno...

Страница 11: ...s 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 NE...

Страница 12: ...ing eyes and suitable lifting gear during installation unit weight 100 kg 220 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 supp...

Страница 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 un...

Страница 14: ...cal hazards Authorized personnel only 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...

Страница 15: ...tion air fan Crankcase 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...

Страница 16: ...when alarm occurs Electrical 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...

Страница 17: ...Enter 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 Not Used P717On _ bar Psat717 _ bar Psat45...

Страница 18: ...sted by arrow 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 P...

Страница 19: ...ent of the R717 line is out of range Compare pressure with another pressure reading and replace pressure transmitter if needed E04 Low temperature Indicates too low ambient temperature 10 C Too low am...

Страница 20: ...dbus 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...

Страница 21: ...ging unit 0 NO 1 R12 2 R22 3 R134a 4 R502 5 R717 6 R13 7 R131b1 8 R23 9 R500 10 R503 11 R114 12 R142b 13 Invalid 14 R32 15 R227ea 16 R401A 17 R507A 18 R402A 19 R404A 20 R407C 21 R407A 22 R407B 23 R410...

Страница 22: ...tting Man Start Recommend default setting only This engages 14 relays on the unit only for factory 0 NO 1 YES 3 0 1 0 Enum 2 R W 3 6 Short Yes STATUS VAR MCX DESIGN HOTSPOTS 1859 Reset Alarms Reset al...

Страница 23: ...6 7 0 Minutes Read only 3 Long No 8129 Event6 Purge cycle event counts the accumative minutes that the purge valve has been open on a finished cycle 0 3276 8 3276 7 0 Minutes Read only 3 Long No 8131...

Страница 24: ...I3 Leads to shut down of IPS 8 0 0 1 0 AUTO R Read only 3 Long No 1901 09 Temp Sensor Fault Indicates no signal from temperature R452A sensor 0 0 1 0 AUTO R Read only 3 Long No 1901 10 BPL Sensor Faul...

Страница 25: ...N A N A N A 1012 Not used N A 0 100 N A NO Read only N A N A N A 1013 Not used N A 0 100 N A NO Read only N A N A N A 1014 Not used N A 0 100 N A NO Read only N A N A N A DIGITAL INPUTS 1001 08 Status...

Страница 26: ...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 Read only 3 Long No 1003 12 DO_Red Status LED 2 0...

Страница 27: ...Multipoint Single point 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 f...

Страница 28: ...28 BC306932151284en 000201 Danfoss DCS ms 2020 01...

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