Carel PRK300D0E0, User Manual, Page: 86 / 104

86
ENG
pRack +0300025EN rel. 1.3 - 17.12.2015
The system confi gurations available refer to the following diagrams:
a. up to 1 suction line (scroll or piston compressors) and up to 1
condenser line on just one pRack pR300 board:
I / O
I / O
C
1
NO
1
NO2 NO3
C
1
C4
NO4 NO5 NO6
C4 C7
NO7
C7
NO8
C8
NC8
G G0 U
1
U2 U3 GND +
VDC
+
V term
GND +
5
V REF
U4 GND U5 GND
VG VG0 Y
1
Y2 Y3 Y4
ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
ID
7
ID
8
ID
C
1
J 1 J24 J2 J3 J4 J5
J 1 4
J 1 0
J 1 3 J 1 2
J 1 5
F i e l d B u s c a r d B M S c a r d
J 11 pLAN
J25 BMS2 J26 FBus2
4 3 2 1
pR300
Fig. A.a
b. 1 suction line (scroll or piston compressors) and 1 condenser line on a
separate board:
I / O
I / O
pLA N
C
1
NO
1
NO2 NO3
C
1
C4
NO4 NO5 NO6
C4 C7
NO7
C7
NO8
C8
NC8
G G0 U
1
U2 U3 GND +
VDC
+
V term
GND +
5
V REF
U4 GND U5 GND VG VG0 Y
1
Y2 Y3 Y4 ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
ID
7
ID
8
ID
C
1
J 1 J24 J2 J3 J4 J5
J 1 4
J 1 0
J 1 3 J 1 2
J 1 5
F i e l d B u s c a r d B M S c a r d
J 11 pLAN
J25 BMS2 J26 FBus2
4 3 2 1
pR300
C
1
NO
1
NO2 NO3
C
1
C4
NO4 NO5 NO6
C4 C7
NO7
C7
NO8
C8
NC8
G G0 U
1
U2 U3 GND +
VDC
+
V
term
GND +
5
V REF
U4 GND U5 GND VG VG0 Y
1
Y2 Y3 Y4 ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
ID
7
ID
8
ID
C
1
J 1 J24 J2 J3 J4 J5
J 1 4
J 1 0
J 1 3 J 1 2
J 1 5
F i e l d B u s c a r d B M S c a r d
J 11 pLAN
J25 BMS2 J26 FBus2
4 3 2 1
pR300
Fig. A.b
c. 2 suction lines on the same board (scroll or piston compressors) and up
to 1 condenser line:
I / O I / O
I / O
pR300
Fig. A.c
d.
2 suction lines on separate boards (up to 2 screw compressors on line
1 and scroll or piston compressors on line 2), 1 condenser line on a
separate board:
I / O
I / O
pLA N
I / O
C
1
NO
1
NO2 NO3
C
1
C4
NO4 NO5 NO6
C4 C7
NO7
C7
NO8
C8
NC8
G G0 U
1
U2 U3 GND +
VDC
+
Vterm
GND +
5
V
REF
U4 GND U5 GND VG VG0 Y
1
Y2 Y3 Y4 ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
ID
7
ID
8
ID
C
1
J 1 J24 J2 J3 J4 J5
J 1 4
J 1 0
J 1 3 J 1 2
J 1 5
F i e l d B u s c a r d B M S c a r d
J 11 pLAN
J25 BMS2 J26 FBus2
4 3 2 1
pR300
C
1
NO
1
NO2 NO3
C
1
C4
NO4 NO5 NO6
C4 C7
NO7
C7
NO8
C8
NC8
G G0 U
1
U2 U3 GND +
VDC
+
Vterm
GND +
5
V
REF
U4 GND U5 GND VG VG0 Y
1
Y2 Y3 Y4 ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
ID
7
ID
8
ID
C 1
J 1 J24 J2 J3 J4 J5
J 1 4
J 1 0
J 1 3 J 1 2
J 1 5
F i e l d B u s c a r d B M S c a r d
J 11 pLAN
J25 BMS2 J26 FBus2
4 3 2 1
pR300
C
1
NO
1
NO2 NO3
C
1
C4
NO4 NO5 NO6
C4 C7
NO7
C7
NO8
C8
NC8
G G0 U
1
U2 U3 GND +
VDC
+
Vterm
GND +
5
V
REF
U4 GND U5 GND VG VG0 Y
1
Y2 Y3 Y4 ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
ID
7
ID
8
ID
C
1
J 1 J24 J2 J3 J4 J5
J 1 4
J 1 0
J 1 3 J 1 2
J 1 5
F i e l d B u s c a r d B M S c a r d
J 11 pLAN
J25 BMS2 J26 FBus2
4 3 2 1
pR300
pLA N
Fig. A.d
e.
2 suction lines on the same board (scroll or piston compressors), 1
condenser line on a separate board:
I / O I / O
I / O
pLA N
pR300
C
1
NO
1
NO2 NO3
C
1
C4
NO4 NO5 NO6
C4 C7
NO7
C7
NO8
C8
NC8
G G0 U
1
U2 U3 GND +
VDC
+
V
term
GND +
5
V REF
U4 GND U5 GND VG VG0 Y
1
Y2 Y3 Y4 ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
ID
7
ID
8
ID
C
1
J 1 J24 J2 J3 J4 J5
J 1 4
J 1 0
J 1 3 J 1 2
J 1 5
F i e l d B u s c a r d B M S c a r d
J 11 pLAN
J25 BMS2 J26
FBus2
4 3 2 1
pR300
Fig. A.e
Board with
pLAN address 1
Board with
pLAN address 2
Board with
pLAN address 3
Board with
pLAN address 3
Board with
pLAN address 1
Board with
pLAN address 1
Board with
pLAN address 3
Board
with pLAN
address 1
Board
with pLAN
address 1