Sanyo MCO-19M - Connections on PCB

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