42
Installation, Operation and Service Manual
Thermo Scientific XBF40-MD Series Blast Freezers
Appendix
14.6 230VAC Chassis Power Wiring Diagram
BL
BR
UNIT WIRING
W
B
BR
BL
BR
BL
DOOR SENSOR
EVAPORATOR
PROBE
CONTROL PROBE
WW
W
R
W
O
18
20
6
22
23
24
1
5
CONTROLLER
7
4
3
CONTACTOR
START
CAPACITOR
BL
START RELAY
1
25
R
RUN
CAPACITOR
R
S
C
COMPRESSOR
CONDENSER FAN
O
12VDC POWER SUPPLY
BL/O
BL/O
EVAPORATOR HEATER RELAY
EVAPORATOR FAN RELAY
WW
RR
BB
CIRCUIT BREAKER SWITCH
EVAPORATOR WIRING
R
W
B
FROM CONTROLLER
FROM CONTROLLER
TO RELAY ENCLOSURE
TEMPERATURE
SWITCH
FAN
DRAIN LINE HEATER
COIL HEATERS (4x)
SOLENOID VALVE
P
P
NOTES:
SYMBOLS, DESIGNATIONS AND GENERAL
1.
DRAWING METHODS ENGWI002. LEGEND:
2.
R = RED B = BLACK
•
BL = BLUE BR = BROWN
•
GR = GRAY G = GREEN
•
Y = YELLOW W = WHITE
•
O = ORANGE P = PURPLE
•
T = TAN / = WIRE TRACE
•
A
B
1
2
C
D
E
F
E
D
C
B
A
F
3
4
5
6
7
8
9
98
7
6
5
4
3
21
A
B
1
2
C
D
E
F
E
D
C
B
A
F
3
4
5
6
7
8
9
98
7
6
5
4
3
21
A
B
1
2
C
D
E
F
E
D
C
B
A
F
3
4
5
6
7
8
9
98
7
6
5
4
3
21