3: Specif
ications
SN
55, SN55S, SN55V
, SN75,
SN7
5S,
SN7
5V Use
r Ma
nu
al
3.17 Wiring diagram, VSD air-cooled parallel wye
02
250
247
-5
71 R0
4
53
Sub
jec
t to
EAR, ECCN
EAR99
and
rela
ted
exp
ort c
ontro
l res
tricti
ons
.
Drawing notes
1
CUSTOMER TO FURNISH FUSED OR CIRCUIT BREAKER DISCONNECT PER LOCAL CODES.
2
REMOVE JUMPER FOR AUXILLIARY E-STOP STRING DEVICES.
3
BELDEN TYPE 9842 4 CONDUCTOR 2 TWISTED PAIR WITH SHIELD OR EQUIVALENT TO MATCHING TERMINALS ON NEXT COMPRESSOR FOR
SEQUENCING.
4
SEE TRANSFORMER CONNECTION TABLE FOR PROPER VOLTAGE CONNECTION. TRANSFORMER FUSING ON CLIPS LOCATED ON
TRANSFORMER X1/XF INTERNALLY JUMPERED. SEE TRANSFORMER FUSE CHART FOR SIZING.
5
REFER TO SEQUENCING PROTOCOL MANUAL.
6
SEPARATE DC CONTROL WIRING FROM AC CONTROL WIRING.
7
FAN IS OPTIONAL ON WATER COOLED MACHINES.
8
REMOVE JUMPER WHEN INLET AIR FILTER SWITCH (PSW1) OPTION INSTALLED.
9
REMOVE JUMPER WHEN PHASE MONITOR RELAY (PHMRLY) OPTION INSTALLED.
10
SEE WIRING CHART FOR POWER AND MOTOR WIRE SIZE.
11
STANDARD MACHINE DISPLAY 24VDC WIRED TO PS; TB1 USED WITH AIRLINX OPTION.
12
2M FAN MOTOR CAN BE WIRED WITH OPTION 1 OR OPTION 2.
NOTE
The VSD air-cooled parallel wye A1000 is 460V
only. It cannot be wired for 230/575V.
