SKE-XL Steam Humidifier
Installation Instructions and User Manual
28
Wiring diagram
P
C
B
9
7
0
8
1
9
R
E
V
. C
Display terminal
Flat cable to display PCB
AUTO
OFF
DRAIN
FILL
DRAIN
STEAM
CHECK
POWER ON
High temp limit switch
(Klixon)
Drain pump
Fill valve #1
Level
sensor
Level
sensor PCB
L1
L3
4
3
2
1
F
6
Terminal connection
SSR
Heating element
4-20 mA
2-10 Vdc
0-10 Vdc
No 3
-
4-20 mA
common
common
No 4
+
4-20 mA
2-10 Vdc
0-10 Vdc
No 6
RH%
R
e
d
R
e
d
G
re
e
n
B
la
c
k
B
la
c
k
B
la
c
k
G
re
e
n
Grey
Red
M
a
ri
n
e
Black
Black
Black
Black
Red
Red
Blue
Blue
Yellow
Red
Purple
Black
White
Orange
Red
Marine
Yellow
Brown
Red
Purple
P
u
rp
le
M
a
ri
n
e
R
e
d
M
a
ri
n
e
Control Signal
W
h
it
e
B
la
c
k
O
ra
n
g
e
P
u
rp
le
Purple
Purple
B
lu
e
Black
Black
Contactor stage 1
Rocker switch
Modulating PCB
To high limit switch and differential
pressure switch
No 1 & 2
No F
24 Vac Input for modulating control(s)
Fuse
C
o
n
tr
o
l
P
a
n
e
l
LED
Red
Purple
Purple
R
e
d
7
8
9
W
h
it
e
B
la
c
k
O
ra
n
g
e
No 7
Alarm Normally close
No 8
Alarm Normally open
No 9
Alarm common
W
h
it
e
L2
Transformer
24 Vac
TOP PCB
MODULATING
CONTROL
INPUT
HUMIDITY
INPUT
4-20mA
0-10V
2-10V
4-20mA
2-10V
0-10V
Black
Black
Black
Black
Purple
Black
Black
Red
Fill valve #2
Brown
X
-1
0
0
IN
P
U
T
C
O
M
A
C
I
N
A16
A17
A19
A18
G
N
D
2
4
V
A
C
C
O
M
Relay
Q
1
N
W
H
E
C
0
0
2
S
K
Q
2
-S
S
R
+
S
S
R
Black
Purple
Black
Black
Contactor stage 3
Contactor stage 2
Red
Red
Black
Black
Black
Yellow
Marine
Marine
Purple
Red
Red
Red
Red
Purple
Heating
element
1
3
2
7
8
9
4
5
6
