Nortec NH Series, Installation Manual

Page: 92 / 110

10-50
Page 2
2006-09-15
TECHNICAL
1. WIRING AND TERMINALS
A. HUMIDIFIER CONTROL INFORMATION
(1) See Figure 7 and Figure 9 in Chapter 10-10 for Controller and Transducer terminal
definitions. See Figure 6 in Chapter 10-10 for low voltage terminal strip terminal
definitions.
Table 1. Controller and Sensor Specifications
Power Supply Operating Voltage 24 VAC ± 10%
50/60 Hz
Power Consumption Max. 3 VA
Internal Rectification Half-wave rectified
Signal Inputs Analog Input
Input Signal
Resolution
Accuracy AI1
2-10 VDC
39 mV, 0.078 mA
±
2%
Temperature Input
Range External Thermistor
-40° to 140°C (-40° to 284°F)
Humidity Input:
Range
Accuracy
Repeatability
0 to 100 %RH
±
3.0% at 25°C (77°F)
±
0.5%
Signal Outputs Digital Outputs
Maximum Load DO1
24 VAC 2A max.
Environment Operation
Temperature
Humidity
0° to 50°C(32° to 122°F)
<95%RH
Housing Materials Cover, back
Mounting Plate Fire proof ABS plastic
Galvanized Steel