Installation 
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2 Installation 
2.1 Overview 
Introduction 
Installation of the UDC3500 consists of mounting and wiring the controller according to 
the instructions given in this section. Read the pre-installation information, check the 
model number interpretation (Subsection 2.3) and become familiar with your model 
selections, then proceed with installation. 
What’s in this section? 
The following topics are covered in this section. 
TOPIC  See Page 
2.1  Overview  11 
2.2  Condensed Specifications  13 
2.3  Model Number Interpretation  17 
2.4  Control and Alarm Relay Contact Information  19 
2.5  Mounting  20 
2.6  Wiring  22 
2.7  Wiring Diagrams 
Figure 2-4 Composite Wiring Diagram 
Figure 2-5 Mains Power Supply 
Figure 2-6 Input 1 Connections 
Figure 2-7 Input 2 Connections 
Figure 2-8 Input 3 Connections 
Figure 2-9 HLAI Inputs 2 and 4 
Figure 2-10 HLAI Inputs 3 and 5 
Figure 2-11 Optional Analog Input Jumper Positions 
Figure 2-12 First Current Output 
Figure 2-13 Second Current Output 
Figure 2-14 Output #2 – Electromechanical Relay Output 
Figure 2-15 Output #2 – Solid State Relay Output 
Figure 2-16 Output #2 – Open Collector Output 
Figure 2-17 Output #2 – Third Current Output 
Figure 2-18 Output #2 – Dual Relay Output for Tim
e Duplex 
Figure 2-19 Output #2 – Dual Relay Output for Position 
Proportional or Three Position Step Control 
Figure 2-20 RS-422/485 Communications Option 
 
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