H50 460V / 575V SCREW COMPRESSOR
WITH VARIABLE SPEED CONTROLS
ELECTRICAL SCHEMATICS
CSC300 & NXS INVERTER
CSC300-H50-460/575
E.H
N.T.S.
MOTOR
T3
T2
T1
T1
T2
T3
L1
L2
L3
POWER CIRCUIT SCHEMATIC
L1
BY CU
STO
M
ER
F
U
SI
BL
E DI
SC
ONNE
CT
L2 L3 GND
CONTROL
PANEL
IMPORTANT NOTE: This print is the confidential property of DV SYSTEMS, INC.
It is not to be used or reproduced in any manner, nor submitted to other parties
for examination without the prior approval of DV SYSTEMS, INC.
DV SYSTEMS, INC. is continuously trying to improve its products, specifications
subject to change without notice.
NXS INVERTER
POWER CONNECTION
FAN
MOTOR
U1
V1
W1
U2
V2
W2
TK
TK
USE SEMI-CONDUCTOR TYPE
(FAST ACTING) FUSES WITH INVERTERS.
REFER TO H50 SALES DRAWING FOR FUSE
RATINGS
THERMALY PROTECTED
MAIN
05/06/15
H
TK
- FAN THERMAL CONTACT
RSS - REMOTE START/STOP
(FIELD OPTION:
INSTALL RSS TO #18 AND #10
TERMINAL BLOCK. INSTALL WIRE
FROM #18 TO DI5. ON P18 CHANGE
P18.08 FROM 'OFF' TO 'DI REMOTE
START'. ON P10 CHANGE
P10.12 FROM 'KEYPAD' TO
'EQUIPMENT DI')
X07
- R7 AND R8 FOR PROGRAMMABLE
RELAY OUPUT FUNCTION
E
- EMERGENCY STOP
F1
- FAN FUSE #1
F2
- FAN FUSE #2
F3
- FAN FUSE #3
F4/F5 - TRANSFORMER PRI. FUSE
F6
- TRANSFORMER SEC. FUSE
E
- EMERGENCY STOP
P
- PRESSURE TRANSDUCER
S
- SOLONOID N.C.
M - FAN STARTER
T
- TEMPERATURE SENSOR
12345678
9
10
11
12
13
14
15
1
6
1
7
18
1
9
20
24
25
26
NXS INVERTER
CONTROL CONNECTION
BOARD OPT-A1
BOARD OPT-A2
3
4
6
5
8
10
24 VAC
T
P
+
C
CSC300
2
2
0
10 15 14
12
+
BLK
WHT
-
RSS
X13
XO9
RELAY OUTPUTS
13
-
3 PHASE
X12
L1 L2 L3
a
CT1
X11
b
c
CT2
X10
a
C
C R1 R2 R3
XO8
RELAY OUTPUTS
C R4 R5 R6
XO7
PROGRAMMABLE
RELAY OUTPUTS
AN
A
-O
AN
A-
G
DI
1
DI
2
DI
3
DI
4
DI
5
DI
6
DI
7
DI
8
C-
AN
1
AN
1
AN
2
AN
3
C-
A
N2
C-
A
N3
3
4
6 5
X01
DIGITAL INPUTS
X02
ANALOGUE INPUTS
X03
+24VAC
1
0
9
S
M
A2
A1
9
11
C R7
R8
C
8
21
22
23
E
18
TK
7
L1 L2 L3
*WITHIN 20.4V AND 27.6V*
(DSC-002361)
F5
F6
0
T1
T2
T3
L1
L2
L3
M
(FAN STARTER)
F1
F2
F3
575
FUSE SIZE (AMPS)
F1
F2
F3
F4
FUSE TABLE
WARNING: USE THE SAME FUSE TYPE & RATING
ATDR, CC TIME DELAY
5MM TIME DELAY
VOLTAGE
.5
W1
- FAN LEAD (BLACK)
W2
- FAN LEAD (ORANGE)
V1
- FAN LEAD (BLUE)
V2
- FAN LEAD (GREY)
U1
- FAN LEAD (BROWN)
U2
- FAN LEAD (RED)
TK
- FAN THERMAL CONTACTS (WHITE)
460
ATQR, CC
F5
5
5
F6
F7
NA
NA
2.5
2
2
2
1
1
2
TRANSFORMER
FAN FUSES F1 / F2 / F3
3
PRIMARY FUSE F4
4
PRIMARY FUSE F5
5
SECONDARY FUSE F6
PANEL SCHEMATIC
6
TERMINAL BLOCK
6
5
3
8
7
GROUND TERMINAL BLOCK
4
2
7
8
STARTER CONTACTOR
.5
2.5
2.5
F4
XO6
L1 L2
XO5
L1 L2
BLK TO #20 TERMINAL
MASTER/SLAVE
WHT TO #19 TERMINAL
MASTER/SLAVE
(FOR SEQUENCING)
04/27/17
TRANSFORMER FUSE RATING CHANGED
H
--
.5
.5
G
03/17/17
PANEL SCHEMATIC NUMBERING
--
