Intermatic DDT40, Installation And Operation Manual

Page: 7 / 30

7
DDT40 Adaptive Defrost Control
8141 Replacement
Mode A with 8141 Terminal Block Label Applied
7
L1
L2
TERMINATION
THERMOSTAT
W/FAN DELAY
2 4
X N
8143 Replacement
Mode B with 8143 Terminal Block Label Applied
8
8143
LABEL
LINE
CONNECT ACROSS
COMPRESSOR
THERMOSTAT
FAN
HOT
GAS
VALVE
1
3
L1
L2
TERMINATION
THERMOSTAT
2 X
8143 Replacement–Double Pole Switching
Mode B with 8143 Terminal Block Label Applied
9
8143
LABEL
3
DEFROST
HEATER
LINE
SOLENOID
VALVE
OR
CONTACTOR
1 4 N
TYPICAL WIRING DIAGRAMS
All switch positions are shown in refrigeration cycle operation, and change position upon initiation of a defrost.
1
THERMOSTAT
COMPRESSOR
OR
SOLENOID VALVE
OR
CONTACTOR COIL
DEFROST
HEATER
L1
L2
1
2
4 X
8041 Replacement
Mode A with 8041 Terminal Block Label Applied
2
8041
LABEL
3
LINE
FAN
N
3
L1
L2
2 2
8047 Replacement–Double Pole Switching
Mode B with 8047 Terminal Block Label Applied
4
8047
LABEL
3
DEFROST
HEATER
LINE
SOLENOID
VALVE
OR
CONTACTOR
N 4 1
8245 Replacement
Mode A with 8245 Terminal Block Label Applied
10
THERMOSTAT
COMPRESSOR
OR
SOLENOID VALVE
OR
CONTACTOR COIL
DEFROST
HEATER
L1
L2
TERMINATION
THERMOSTAT
W/FAN DELAY
1
2
X
8141
LABEL
3
LINE
FAN
N
4
COMPRESSOR
OR
SOLENOID VALVE
OR
CONTACTOR COIL
FAN
MOTOR
DEFROST
HEATER
L1
L2
PRESSURE
SWITCH
F
3
1-N
2
4
LINE
THERMOSTAT
Xp
p
LABEL
8245
COMPRESSOR
OR
SOLENOID VALVE
OR
CONTACTOR COIL
FAN
MOTOR
DEFROST
HEATER
L1
L2
TERMINATION
THERMOSTAT
W/FAN DELAY
F
3 1
2
4
X
N
LINE
8145 Replacement
Mode A - No Label Required
5
THERMOSTAT
DEFAULT (Out of the Box)
CONTROL
POWER TERMINATE
INPUT
CONTROL
POWER TERMINATE
INPUT
CONTROL
POWER
TERMINATE
INPUT
CONTROL
POWER
TERMINATE
INPUT
CONTROL
POWER TERMINATE
INPUT CONTROL
POWER TERMINATE
INPUT
CONTROL
POWER TERMINATE
INPUT
L1
L2
4
8247 Replacement–Double Pole Switching
Mode B with 8247 Terminal Block Label Applied
8247
LABEL
3
DEFROST
HEATER
LINE
SOLENOID
VALVE
OR
CONTACTOR
N
2
1
p
PRESSURE
SWITCH
Xp
8045 Replacement
Mode A with 8045 Terminal Block Label Applied
COMPRESSOR
OR
SOLENOID VALVE
OR
CONTACTOR COIL
FAN
MOTOR
DEFROST
HEATER
L1
L2
F
3
1-N
2 4 X
LINE
THERMOSTAT
8045
LABEL
CONTROL
POWER
TERMINATE
INPUT
THERMOSTAT
COMPRESSOR
OR
SOLENOID VALVE
OR
CONTACTOR COIL
DEFROST
HEATER
L1
N
TERMINATION
THERMOSTAT
W/FAN
1
2
4 X
120V Fan & Defrost Heater; 240V Compressor
Mode A - No Label Required
6
3 N F
FAN
120V
240V
L2
DELAY
CONTROL
POWER
TERMINATE
INPUT
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