Low Voltage Control Connections; Printed Circuit Board - Neptronic SKE4-E Series Installation Instructions And User Manual

Low Voltage Control Connections

Printed Circuit Board

Electrical
Control
Connections
The Printed Circuit Board (PCB) of the SKE4 Steam Humidifier is equipped with an advanced
microprocessor, which controls all of the functions of the humidifier. All electrical control connections
have been grouped alongside the bottom left corner of the PCB.
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1 2 3 4 5
1 2 3
JP6
JP7
WATER
WATER
TEMP+FOAM
LEVEL
LCD1
ETHERNET
SD1
Micro SD
card port
CN2
USB
drive port
TXD
JP1
RXD
JP2
NETWORK
PCB
TXD
RXD
TB7
WATER
LEAK
DETECT
1 2
Illustration 38 - Printed Circuit Board Interface
SKE4-E Steam Humidifier
Installation Instructions and User Manual
1 2 3 4
JP9 JP10
WATER
VALVES
ETHERNET
BOARD
JP3
PCB
JP4
ETHERNET
BOARD
NETWORK
BOARD
JP5
1 2
1 2
JP11
DRAIN RELAY
PUMP SPARE1
JP13
THERMAL
SWITCH
JP15
1
MAIN
2
CONTR
JP16
1
STAGE
2
CONTR1
JP17
1
STAGE
2
CONTR2
1
JP19
2
3
SDU+APS
4
JP20
1
2
POWER
1
JP21
2
3
SSR +
TEMP.
4
JP22
TEMP.
SENSOR
1
JP23
2
3
CURRENT
SENSOR
4
1
JP24
2
DIG. INP
SPARE
3
1
JP25
2
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