User Guide | Intelligent Purging System (IPS 8) for Ammonia - Technical data, installation and use
© Danfoss | DCS (ms) | 2020.01
BC306932151284en-000201 | 21
Register Parameter Name Description
User
Level
Min Value Max Value
Default
Value
Unit/
Type
Read/
Write
Modbus
Function
Code
Modbus
Data Type
Persistent
Yes/No
UNIT CONFIG >
COMPRESSOR
3013
Advanced Setting
- SDT
Recommend default
setting only - Delay
for starting up
compressor
3 0 100 20 s RW 3/6 Short Yes
3014 PDT
Pull down time of
compressor
2 5 CM4 45 min RW 3/6 Short Yes
3015 CST
Delay between purge
cycles (single purge)
2 180 2000 1440 min RW 3/6 Short Yes
3016 PLT
Alarm for endless
purging
2 24 768 24 h RW 3/6 Short Yes
3017
Advanced Setting -
SDTM
Recommend default
setting only -
Additional delay
between switching
purge points
3 5 100 20 s RW 3/6 Short Yes
UNIT CONFIG >
VALVE SETTINGS
3018
Advanced Setting -
DeltaTValveOFF
Recommend default
setting only - Delta
Temp for closing the
purge valve
3 2,0 10,0 5 K RW 3/6 Short Yes
3019
Advanced Setting -
Gas type
Recommend default
setting only - DO NOT
CHANGE
Type of refrigerant in
IPS 8 purging 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=R410A;
24=R170; 25=R290;
26=R600; 27=R600a;
28=R744; 29=R1270;
30=R417A; 31=R422A;
32=R413A; 33=R422D;
34=R427A; 35=R438A;
36=R513A; 37=R407F;
38=R1234ze;
39=R1234yf;
40=R448A; 41=R449A;
42=R452A
3 0 42 42 Enum 5 RW 3/6 Short Yes
3020
Advanced Setting -
TonHotClimate
Recommend default
setting only - Warm
climate border of
purging threshhold
3 -30,0 -25,0 -25 °C RW 3/6 Short Yes
3021
Advanced Setting -
TonColdClimate
Recommend default
setting only - Cold
climate border of
purging threshhold
3 -40,0 -35,0 -35 °C RW 3/6 Short Yes
3022 Max_PP
Used amount of purge
points - part of initial
setup
2 0 8 8 N/A RW 3/6 Short Yes
UNIT CONFIG >
FILTER SETTINGS
3023
Advanced Setting -
Temp_Filter
Recommend default
setting only - Offset
temperature value
3 0 3 0 °C RW 3/6 Short Yes
3024
Advanced Setting -
BPL_Filter
Recommend default
setting only - Offset
pressure value
3 0 3 0 bar RW 3/6 Short Yes
3025
Advanced Setting -
BPH_Filter
Recommend default
setting only - Offset
pressure value
3 0 3 0 bar RW 3/6 Short Yes
3026
Advanced Setting -
Suc_Filter
Recommend default
setting only - Offset
temperature value
3 0 3 0 °C RW 3/6 Short Yes
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