Installation and Operation Manual - Neptronic
Installation and Operation Manual - Neptronic
Installation and Operation Manual - Neptronic
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Humidifier<br />
Interlocks<br />
SKE90/100/110/120 Steam Humidifier<br />
Stage 6 –Electrical Control Connections<br />
<strong>Neptronic</strong> ® SKE-XL Steam Humidifier has one interlock entry:<br />
2<br />
1<br />
Differential pressure switch<br />
5 Vdc<br />
High limit humidistat<br />
Low voltage control<br />
5<br />
4<br />
3<br />
2<br />
1<br />
terminal block<br />
5 Vdc<br />
Fuse<br />
(Illus. 16)<br />
High level humidistat contact should be wired in series with P.D. Switch contact<br />
<strong>and</strong> humidistat signal between terminals TB1 & 2<br />
In case of opening of any on this contact. <strong>Operation</strong> of humidifier will stop <strong>and</strong> Alarm<br />
message will be displayed.<br />
Humidifier<br />
Control with<br />
humidity<br />
controller<br />
<strong>Neptronic</strong> ® SKE-XL modulating Steam Humidifier can be installed in conjunction with<br />
<strong>Neptronic</strong> ® HRO <strong>and</strong> SHC humidity controller.<br />
HRO20<br />
humidistat<br />
SK300<br />
Control terminal<br />
block wiring<br />
F 1 2 3 4<br />
COM<br />
24 VAC<br />
MOD<br />
%RH<br />
13<br />
14 15<br />
16<br />
High limit<br />
Pressure Differential<br />
switch<br />
6 7 8 9<br />
(Illus. 17)<br />
15
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