Programming/Configuration - Danfoss IPS 8 Technical Data, Installation And Use

User Guide | Intelligent Purger System (IPS 8) for Ammonia - Technical data, installation and use

Programming/Configuration

Main Menu Submenu Submenu/status Submenu/status
No alarm
Active alarms
up to 15 alarms
(see table
below)
Alarms
Reset alarms
Log history
Clear log
history
Login Password
Turn On
Start
Turn Off
Parameters
Unit config
Input/Output
Occurring active alarms, possible reasons and recommended action
Code Modbus address Alarm
A01
1901 .08 General alarm
E01 1901 .09 Temp. Sensor Fault
E02 1901 .10 BPL Sensor Fault
E03 1901 .11 BPH Sensor Fault
E04 1901 .12 Low temperature
E05 1901 .13 Hi temperature
E06 1901 .14 Low pressure BPL
E07
1901 .15 Hi pressure BPL
E08
1901 .00 Low pressure BPH
E09 1901 .01 Hi pressure BPH
E10 1901 .02 System is OFF
E11 1901 .03 Memory is full
E12 1901 .04 Total purge time error
E13 1901 .05 Compressor error
Code Possible reason
E01
Faulty sensor
E02 Faulty sensor
E03 Faulty sensor
E05 Low R452A charge
Rubber plug in flange not
E06
removed
Expansion valve may be
E08
clogged or have lost charge
Expansion valve may be
E09
clogged or have lost charge
Large hole in ammonia
E12
system
All alarms except (*) activates red light on box outside
For alarms not resettable and/or cause not identified please contact Danfoss
© Danfoss | DCS (ms) | 2019.06
By pressing the main menu will show up with below options
***
Compressor
Limits settings
Description
Adjustable external alarm (default not
used)
Electrical failure to R452A Temp. sensor
Electrical failure to Ammonia Pressure
sensor
Electrical failure to R452A Pressure
sensor
R452A Temp. too low
R452A Temp. too high
Ammonia Pressure too low
Ammonia Pressure too high
R452A Pressure too low
R452A Pressure too high
System is Off (*)
Memory is full
Total purge time exceeded
No feedback from KL1 relay
Recommended action
Replace sensor
Replace sensor
Replace sensor
Find and repair leak, evacuate
and recharge with R452A
Remove rubber plug
Replace expansion valve
Replace expansion valve
Isolate the hole and close it
Min Max Default Description
Up to 15 possible alarms listed by arrow up/down
Reset all actual alarms
View log history
Clear log history
200 N/A
Main swith ON
Main swith OFF
0 sec 100 sec 20 sec SDT (Compressor start delay)
2000
5 min 45 min PDT (Pull down time)
min
2000 1440
180 min CST (Cycle time)
min min
768 160
24 hours PLT (Endless purging max time)
hours hours
0 bar 5 bar 0.5 bar Comp Diff (Hysteresis min allowed ammonia pressure)
0 bar 12 bar 6.5 bar Setpoint (Min allowed ammonia pressure)
Input / Output Display & Config
Possible reason
Fault in system connected to the DIO4
Cut wire
Cut wire
Cut wire
Low ambient temperature
Hi ambient temperature
Closed stop valve
Ammonia system pressure too high
Low R452A charge
Ammonia system pressure too high
Main switch is OFF
Memory is full from long time operation Clean the memory in the MCX
Restrictor is plugged
Wiring from MCX is cut
Possible reason Recommended action
Check actual pressure.
Measurement out of range
Replace sensor if needed
Check actual pressure.
Measurement out of range
Replace sensor if needed
Check actual pressure.
Measurement out of range
Replace sensor if needed
Condenser fan is not running Clean or Replace fan or
properly fan motor
Label
CM2
CM3
CM4
VA5
CM5
CM1
Recommended action
Contact contractor
Repair the wiring
Repair the wiring
Repair the wiring
Wait for higher ambient temp. or move
IPS to a place with high ambient temp..
Wait for lower ambient temp. or move
IPS to a place with lower ambient temp.
Open inlet stop valve
Wait for lower pressure
Find and repair leak, evacuate and
recharge with R452A
Wait for lower pressure
Switch ON the main switch
Replace the restrictor
Repair the wiring
Possible reason Recommended action
Air in the R452A Empty vacuum and
circuit recharge R452A
BC306932151284en-000101 | 17