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14
Connection on PCB
Following is the explanation of connections on Main PCB.
Connector Connects
to
Usage
Voltage
CN1
Switching power supply
To supply the power to PCB
#1:12V
CN2
MTR-480
(
Option
)
To connect with interface
CN3
Remote alarm terminal
#1: COM.
#2: N.O.
#3: N.C.
Output for remote alarm contact
CN4
#1-#2: Temp. control relay
#5-#6: Fan relay
To control chamber temperature
To conduct current to cap. tube
heater
#1-#2:12V
#5-#6:12V
CN5
#1, #7: Buzzer
#2-#6: Control PCB (CN51)
To control with each switches
CN6
Display PCB
(
CN52
)
To connect with each LED
CN7
#7-#8: Comp. sensor
To control condensing fan motor
by the temperature in comp.
sensor
CN8 #1-#2:
Battery
To supply the power to Main PCB
during power failure
#2:6V
CN9 Unused
CN11
#1-#3: Temp. sensor
To detect chamber temperature
Содержание MDF-C8V
Страница 8: ...5 Dimensions 405 490 R 2 5 550 58 852 945 425 887 35 727 685 33 㧨 8㧪 ...
Страница 9: ...6 Refrigeration circuit diagram ...
Страница 12: ...9 Components on PCB ...
Страница 15: ...12 Wiring diagram ...
Страница 16: ...13 Circuit diagram ...
Страница 36: ...33 MDF C8V Ultra Low Temperature Freezer INSTRUCTION MANUAL ...
Страница 44: ...41 8 FREEZER COMPONENTS 13 12 5 11 1 2 3 6 7 8 5 4 10 9 ...
Страница 76: ...73 CVK UB4 CVK UB4 I Back up System for Ultra Low Temperature Freezer INSTRUCTION MANUAL ...
Страница 92: ...1 JK1659 150B ...