Nortec NH-EL Series - Manual (Page 31)

Installation | 28
Transducer Control Wiring
Figure 23: Transducers
Figure 24: Digital Transducers
Air Proving
Switch
Duct High Limit
1509857 - 2-10V Duct
Humidity Transducer
Humidity Control
1509858 - 2-10V Wall
Humidity Transducer
Note: 1
.
2
3
4
Install On/Off controls or jumper between
terminal 1 and 2 of humidifier
Terminal 1 is 24 VAC Hot, turn unit off to
avoid shorting while wiring.
Duct High limit can be duct humidity
transducer as shown or duct On/Off humidistat.
Humidity Control can be wall humidity
transducer as shown, duct humidity transducer,
or On/Off humidistat.
Humidifier Terminal Strip
1
–
C
om
m
on
2
–
24
VAC
3
–
An
al
og
O
ut
1
–
C
om
m
on
2
–
24
VAC
.