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Model C300
059540-5805/14
Taylor Company
2014 Carrier Commercial Refrigeration, Inc.
c
YEL
BLK
YEL
BLK
RED/WHT
WHT
PRP/WHT
WHT
BLU/WHT
WHT
ORG
ORG/WHT
BRN
RED/BLK
BLK
LED
BARREL 2 LED
BARREL 1
RED/BLK
BLK
BLK
RED/BLK
BARREL 2
BARREL 1
BLK
BLK
BRN
RED
RED
BARREL
2
BIB
SWITCH
THERMISTORS
PROBES
RIBBON CABLE SEE NOTE 2
WHT/BLK
BLK
LCD DISPLAY
RIBBON CABLE
SEE NOTE 2
RIBBON CABLE
SEE NOTE 2
RIBBON CABLE
SEE NOTE 2
WHT
PROXIMITY
SWITCHES
BARREL 2
BARREL 1
RIBBON CABLE SEE NOTE 2
RIBBON CABLE SEE NOTE 2
BARREL 1
KEYPAD BARREL 2
KEYPAD
BRNBRN
BRN BRN
BARREL 2
SYRUP OUT
SWITCH
L1 L2
L2L1
LINE
LOAD
MBRN BLK
W2BLK
BRN
ORG
PRP/WHT
ORG/WHT
ORN
ORNBLK
BLK
WHT/BLK
41 1 4
H2
OPRESSURESWITCHPRP/WHT
PRP/WHT
BRN
RED
BLK/YEL
BRN
YEL
BLK
YEL
BLK M
FAN
BLK
WHT
BRN
PRP
PRP
WHT
WHT
WHT
WHT
WHT
WHT
WHT
WHT
WHT
WHT
BLK
BLK
RED
BLK
C0
2
PRESSURE
SWITCH
BARREL
1
BIB
SWITCH
BARREL 1
SYRUP OUT
SWITCH
HPCO
L1
BLK BLK
WHT/BLK
BLU
WHT
YEL
WHT
WHT
TAN
TAN
BLK
RED
BLK
BRN
WHT/BLK
WHT
WHT/BLK
WHT
C NO C NO
BRN BLK BLU
BRN BLK BLU
BRN
BLU
RED
RED
BLU
15A FUSE
GROUND FRAME
SECURELY
P.O.P.
DISPLAY
BLU
N
RED
3 2
RED/BLK
FAN MOTOR
RUN CAPACITOR
(USED WITH AIR
COOLED UNITS ONLY)
BLK
CONTROL SWITCH
SPST
OPTIONAL
OPTIONAL
BLK
P.O.P. SWITCH
SPST
BARREL2DEFROSTSOLENOIDRED/WHT
WHT
WHT
ORG/WHT
WHT
ORGWHT
BLK
RED/BLK
RED/BLK
BLU
BLU
BLK
GRN/YEL
GRN/YEL
GRN/YEL
GRN/YEL
GRN/YEL
CONTROL
ENCLOSURE(S)
GRN/YEL
GRN/YEL
BLK
BLK
BLK
BLK
BARREL 1
MIX TANK
FILL
SWITCH
BARREL 2
MIX TANK
FILL
SWITCH
BLK BLK
L2
BLK BLK
L3
BLK
COMPRESSOR
CONTACTOR
L3
T3 BLK
WHT
WHT
BLK
GRN/YEL
GRN/YEL
GRN
CARBONATOR
WHT
H2O PUMP
CO2 SOLENOID
AO SMITH / MAGNETEKBEATER MOTOR WIRIINGCONNECTIONS SHOWNARE FROM CW ROTATION.TO REVERSE, INTERCHANGEINTERNAL BLUE AND YELLOW LEADS.INTERNAL BLUINTERNAL YELWHTWHT/BLKYELGE/RBC BEATER MOTOR WIRINGCWLE-BLU OR T1 INTERNAL ON #5, YEL OR T4 INTERNAL ON #2FIG.1
T1 OR BLU
T8 OR RED
THERMAL OL
BRN
YEL
WHT/BLK
4
2
WHT
T4 OR YEL
T5 OR BLK A
P2 OR BRN
P1 OR PUR
MAIN
START
5
1
1
2
3
J11 OR BRN
START
CAPACITOR
RUN
CAPACITOR J12 OR PUR
J9 OR BLK
E4E4
1 2
1211
PRIMARY
SECONDARY
BEATER MOTOR
FIG.1
BARREL
1
LIQ. LINE
SOLENOID
COMP.
CONT.
COIL
BARREL
1
H
2
0 SOL.
BARREL
1
SYR.SOL.
BARREL
1
CO
2
SOL.
BARREL
2
CO
2
SOL.
BARREL
2
H
2
0 SOL.
BARREL
2
LIQ. LINE
SOLENOID
BARREL
2
SYR.SOL.
BARREL1DEFROSTSOLENOID432 1
12
J1
J10 J11
J7
J9
J5 J6
J4
J3
J2
J6CONTROL PCB A.
EMI FILTERCOMPRESSOR
COMPRESSOR
CONTACTOR
T1 L2
T2
L1
INTERFACE PCB A.
123 4 5 6 7 8 1 2
654 3 2 17
1234
J14J12J15J11J5 J3 J1J4 J2J10J9L1654 3 2 17654 3 2 17654 3 2 176543 2 1
123 4 5 6 7 8
L2J16 J13J8W1123 4
J7432 1
531
W1COMPRESSOR
CONTACTOR
X1A B
CONTROL
TRANSFORMER
111212EMPTY
EMPTY
EMPTY
EMPTY - H20 PRESSURE SWITCH ACTIVE/JUMPER - H20 PRESSURE SWITCH BYPASSEDEMPTY
SERVICE/TEST ONLY4 36 58 7910INTERFACE PCB A. W1 JUMPER BLOCK DETAILJUMPER BLOCK SHOWN ABOVE WOULD INDICATE A UNIT CONFIGURED
AS A MODEL C300 WITH AN H
2
0 PRESSURE SWITCH.
OUTBRN OUTPCB A.IN INOUTTAN
NOTES:
1. STATIC ELECTRICITY MAY CAUSE DAMAGE
TO SOLID STATE COMPONENTS. ELIMINATE
STATIC ELECTRICITY BY TOUCHING GROUNDED
UNIT BEFORE HANDLING SOLID STATE COMPONENTS.
2. STRIPED WIRE ON RIBBON CABLES MUST BE
CONNECTED TO PIN 1 AT EACH END.
3. SOME DISPLAYS MAY HAVE BLK WIRE FOR L1,
WHT WIRE FOR L2, AND GRN FOR GROUND; ALSO,
NOTE ALTERNATE WIRING CONFIGURATION FOR LED DISPLAY.
SEE NOTE 3CONTROL
TRANSFORMER
PRIMARY
SECONDARY
ORN
WHT
YEL
WHT/GRA
LED P.O.P.
DISPLAY
WHT
DISPLAY WIRING
24 VAC
16 VAC
ALTERNATE
DISPLAY WIRING
GRN/YEL