LG PRDCA0 - AI Wring Concept

26
AHU KIT WIRING CONFIGURATION WITH DDC
ENGLISH
Discharge Temperature Control through controlling of ODU capacity
Analog Input(2ch)
* Setting DIP S/W(SW01)
876 543 21
OFF
876 543 21
1.Option #1
876 543 21
OFF
876 543 21
2.Option #2
876 543 21
OFF
876 543 21
3.Option #3
AI Specification : DC 0~10V
AI
No.
Input
voltage
[Vdc]
Low
[Vdc]
High
[Vdc]
Capacity
of unit
[%]
Cooling
Heating
Control
Target
Low
Pressure
[kPa]
Tempera-
ture at
HEX [°C]
Target
High
Pressure
[kPa]
Tempera-
ture at
HEX [°C]
AI
10-2
0 0 0.4 No limit ----
DI should be
decided.
1 0.6 1.4 100 800 10.5 3,000 49.2
DI will determine
fan mode and
operation mode.
2 1.6 2.4 90 830 11.3 2,990 49.0
3 2.6 3.4 80 870 12.5 2,730 45.1
4 3.6 4.4 70 930 14 2,560 42.5
5 4.6 5.4 60 990 15.8 2,340 38.9
6 5.6 6.4 50 1,070 17.9 2,080 34.1
7 6.6 7.4 45 1,100 19 1,950 31.5
8 7.6 8.4 40 1,160 20.3 1,800 28.4
9 8.6 9.4
Comp.
off
----
If it is 9V, DO 01-4
is short, DO 01-2
is open.
10 9.6 10 All off ----
ODU and fan are
Off.
AI Wring concept
1. Option #1