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Connections on PCB
Connections on Main PCB
Connector
Power transformer
#1 - #2: AC8.5V
CN1
#3:
#4, #5:
Switching power supply
CN2
#1 - #2: GND , DC5V
CN3
CO
sensor
2
#1 - #2:
#3 - #4:
CN4
#5 - #6:
#1 - #2:
CN6
#3 - #6:
#7 - #8:
#1 - #2:
CN9
#3 - #4:
Remote alarm output
#1:
COM
CN10
#2:
N.O.
#3:
N.C.
CN11
MTR-480 (Option)
CN12
#3 - #4:
CN13
#1 - #2:
CN14
#2:
UV lamp, ballast Option for MCO-19M
CN15
#1 - #3:
CN16
O
sensor
2
#1 - #2:
CN17
#3 - #4:
#1 - #2:
CN20
#3 - #4:
#5 - #6:
Control PCB KEY
CN21
Display PCB LCD
#1:
Top heater, Back heater, Side heater,
Flange heater
CN302
#3:
Bottom side heater, Bottom front/back heater
#5:
Front panel heater, Bimetal thermostat,
Door heater
#1:
Temp. fuse 70 , CO
CN303
CO
#3:
Condensing fan motor
Connects to
GND
AC18V
Overheat protect sensor
Temp. sensor
CO
BOX Temp. sensor
2
Door switch
MCO-HP Option
Standard gas switch (Option)
CO
valve DC24V
2
CO
auto changer valve (Option)
2
Hinge sub heater
Buzzer PCB
Water sensor
O
A valve
2
O
B valve
2
H
O
relay DC24V Option
2
2
Electric lock DC24V Option
Standard gas valve DC24V Option
heater A,
2
heater B
2
Power supply to PCB
Power supply to PCB
Control of CO
Detection of temperatures in the
chamber
Detection of door opening
Control of CO
Output for remote alarm contact
Open between #1 and #2 in
normal condition.
Communication board
Control of hinge sub heater
Detection of water level in
humidifying pan
Control of O
Control of O
Control of heaters
Control of temperature in CO
sensor BOX
Control of condensing fan motor
- 11 -
Usage
density
2
valve
2
density
2
valve
2
2
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