SKE4-E Steam Humidifier
Installation Instructions and User Manual
Page | - 36 -
Low Voltage Control Connections
Printed Circuit Board
JP23
JP24
JP25
1 2 3
JP6
JP21
DIG. INP
SPARE
WATER
LEVEL
CURRENT
SENSOR
SSR +
TEMP.
JP20
POWER
JP19
SDU+APS
JP17
STAGE
CONTR2
JP16
STAGE
CONTR1
JP15
MAIN
CONTR
1
2
3
JP7
WATER
TEMP+FOAM
1
2
3
JP9
WATER
VALVES
JP10
DRAIN
PUMP
T
B
4
T
B
3
T
B
2
T
B
5
T
B
6
T
B
1
E
O
L
JP1
E
O
L
JP2
SD1
Micro SD
card port
TXD
RXD
TXD
RXD
CN2
USB
drive port
4
LCD1
1
2
WATER
LEAK
DETECT
TB7
4 5
JP3
JP4
JP5
ETHERNET
BOARD
ETHERNET
BOARD
NETWORK
BOARD
1
2
1
2
1
2
1
2
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
ETHERNET
PCB
NETWORK
PCB
Electrical
Control
Connections
1
2
1
2
JP11
RELAY
SPARE1
1
2
JP13
THERMAL
SWITCH
1
2
1
2
JP22
TEMP.
SENSOR
Illustration 38 - Printed Circuit Board Interface
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.