Nortec NH-EL Series - Manual (Page 85)

NH-EL SERIES HUMIDIFIER (Cylinder B)
WIRING DIAGRAM
DIAGRAM No. 2569829 REV. D Date: Jul 4, 2014
Cylinder
2,3, and 6 electrode
Contactor
Contactor
Optional Fuses
Fill V
High
Water
Plug
Fill V
Drain V
1 2 3 4 5 6 7 8 9
Blower Pack
Air Proving
+
N.O.
Security
Loop
(-) Signals (+) Control Signal (+) Limit Signal + 10 Vdc GND
Circuit for Cylinder B
A
B
C
D
E
F
.. .
CONTROL
BLOWER
POWER SUPPL
Y
LEV. SENSOR
LIMIT
10V
F1 V+
IN
IN
24V
24Vac
24
24
SL
SL
IN
GND
GND
GND
R
R
R
R R
or
or
R R
R
R
bl
bl
br
br
G
G
G
G
W
W
W
W
W
B B B
B
B
B
B
B
B B
External
Internal
External
Internal
}
Cylinder
A
Diagram
(2569829)
For cylinder B identification
DIP switch 1 and 2 must be
in the ON position
Optional for
drain water
cooling
Contactor Inlet Drain
Current Sens
NH-EL Wiring Diagram (Cylinder B)
Figure 53: Wiring Diagram for NH-EL (Cylinder B)