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Guidance only; connections may differ with date, model, type, variant, special, custom or concession builds.
This information is intended to be used in conjunction with the compressor’s original control circuit diagram.
1M
0 VAC
+VDC
Load Enable
Load/Unload
VFD/fixed
IN
NO
C
NC
NO
C
NC
RUN
ALARM
READY
OUT
V
SEQ CONT
LOAD UNL
GND
D11
D12
+20V
V
1
2
3
4
5
6
2
1
LED 5 VFD
LED 2 LOAD
LED 1 SEQ
LED 4
READY
LED 3
RUN
C03
C01
C02
C04
C05
IR-PCB
1
2
3
4
5
6
V1
X4I
COMPRESSOR #1
X01 TERMINAL
Refer to the X4I Overview Drawing
for the X4I Compressor 2 through 4
terminal connections
E-STOP
110VAC
HATR
Contact
Restart TD
Relay
Contact
SS
ON OFF
OL
1PS
To TR Relay
To 1M Contact
To TDRI Contact
1M
Relay
Contact
TDRI
Relay
Contact
MMS
Contact
SSR UP6 40-50 FV
SSR UP6 40-50 FV 1of2 Page 47