Automation Components A/RH-LCD Series - Manual

Installation and Operation Instructions
A/RH-LCD Series
2305 Pleasant View Rd. Middleton Industrial Park Middleton, WI 53562
PH: (608) 831-2585 FAX (608) 831-7407
www.workaci.com
I0000150 Rev 4 Page 1 of 4
Please Read Instruction Carefully Before Installation!
Wiring Connections
ACI recommends that all A/RH-LCD humidity transmitters be wired with 16 to 22 AWG shielded wire for best
results.
+24 VAC Input Wiring Diagram
24 VAC
Secondary 120 VAC
Primary
PLC or HVAC
Control System
AI1 AI2 AI3 AI4
Analog Inputs Analog Input
Common
- -
Optional 250 Ohm or
500 Ohm Load Resistor
for a 1 - 5 or 2 - 10 VDC
Output.
A/LCD-R 4-20 mA
(Loop Powered LCD Indicator)
A/RH Transmitter
+24 VAC Input / 4-20mA Output
10 Pin LCD Socket
24 VAC Supply Common
RH 4-20 mA Output
+24 VAC Supply Voltage RH 4-20 mA Output
to Controller
Optional Temperature
Sensor Output
to Controller (Resistive)
TTRO LCD Rev 7
- TEMP + - LCD +
ZERO SPAN
Factory Use Only
8 7 6 5 1 3 2 4
ON
Push tab in and pull up on the sensor
cable to remove from J13 connector
Figure # 1