SK300-XL Steam Humidifier
15
Stage 6 –Electrical Control Connections
Humidifier
Interlocks
Neptronic® SK300-XL Steam Humidifier has one interlock entry:
(Fig. 16)
High level humidistat
contact should be wired in series with
P.D. Switch
contact
and humidistat signal between terminals TB1 & 2
In case of opening of any on this contact. Operation of humidifier will stop and
Alarm
message will be displayed.
Humidifier
Control with
humidity
controller
Neptronic® SK300-XL modulating Steam Humidifier can be installed in conjunction
with Neptronic®
HRO
and
SHC
humidity controller.
(Fig. 17)
5 V
d
c
Low voltage control
terminal block
High limit humidistat
Differential pressure switch
5 Vdc
1
2
2
1
3
4
5
Fuse
humidistat
24
V
A
C
Pressure Differential
switch
High limit
1
4
3
2
F
8
7
6
9
Control terminal
block wiring
HRO20
16
14
15
13
MO
D
%R
H
CO
M
SK300
