RXB PLUS ROTARY SCREW COMPRESSOR UNITS
MAINTENANCE
070.101-IOM (JAN 13)
Page 59
FRONT PANEL
DISPLAY
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5
USE BELDEN #8777 OR EQUAL (3 TWISTED PAIRS)
COLOR CODING SHOWN IS BELDEN #8777
RS 422 WIRING SHALL BE SEPARATE
FROM ALL OTHER WIRING
WIRED AT FRICK IF BOTH UNITS
ARE ON THE SAME SKID
NOTE: WHEN USING THE RS422 PORTS FOR
LEAD-LAG, THEY CANNOT BE USED FOR
ANY OTHER COMMUNICATIONS
12 COND RIBBON CABLE
STUD
GREEN
SET SW1 TO CORRECT VOLTAGE
NO CONNECTION ON 230
FOR GROUNDED CIRCUITS
TOROID
FERRITE
RING
REV D SBC ONLY
GREEN WIRE
WRAP WIRES THROUGH TOROID TWO (2)
TIMES, ALL IN THE SAME DIRECTION
STUD
KEY 1
1
PAD
P10
1
NEU 230
115
23
0
11
5
S
W
1
GND
P13
SBC
2
26 COND RIBBON CABLE
P1
P11
1
8
9
5
4
3
BLK
BLK
RED
8
9
5
GRN
4
3
SBC
RS422
PORT 1
UNIT "B"
SBC
RS422
PORT 1
UNIT "A"
WIRING FOR LEAD-LAG SEQUENCING
OPTIONAL
2
TEMPERATURE SENSOR WIRING TO BE #8760
BELDEN CABLE OR EQUAL. GROUND DRAIN WIRE
AT PANEL GROUND ONLY. INSULATE AT PROBE END
NOTE 2A:
SPECIFICATIONS FOR TEMP. CAPACITY CONTROL
TEMP PROBE-FRICK P/N - 111Q0280982
WELL FOR ABOVE, 3/4"MPT WELL CONNECTION,
1/2" FPT FOR CONNECTION BOX- P/N - 990A0014H01
HEAT TRANSFER COMPOUND-P/N - 111Q0831807
-WIRE AS SHOWN IN SEPARATE CONDUIT
FROM ALL OTHER WIRING
USE BELDEN #8761 CABLE OR EQUAL
-MOUNTING IN WELL IS DESIRABLE
USE HEAT TRANSFER COMPOUND
-TEMP PROBE SIZE- .188 DIA x 4" LONG
304 S.S. WITH (2) 24" LEADS
-SETPOINT RANGE: -50
OF. TO 100OF.
RXBELD4
MICRO PANEL ASSEMBLY WIRING DIAGRAM
