Innotech Omni C14, Installation Instructions Manual

Page: 44 / 90

Omni Installation Instructions
Page 44 © Mass Electronics Pty Ltd 2017 Edition 1.2 dated 20.08.2018
3-4.4.1 Power Input
The Omni C14 Controller power requirements are either AC or DC as below:
• 24VAC ±20%, 50/60 Hz
• 24VDC (18-35VDC)
• Power Consumption: 30 Watts max. (load dependent)
The Omni C14 has polarity independent supply wiring. The 24V and 0V wiring can be used in either
terminal 1 or 2 per the image below.
The operating voltage must meet the requirements of Safety Extra Low Voltage (SELV) to EN60730.
The transformer used must be a safety transformer in compliance with EN60742 and be designed for
100% duty. It must also be sized and fused in compliance with local safety regulations.
Table 3-5:
Omni C14/D 24V Input Recommended Wiring - C14
Figure 3-7: Omni C14/D 24V Input Terminals
1 3 2
The terminal numbering used in Figure 3-7 is only for identification purposes and does not relate to any numbering
on the physical controller.
Terminal AC Supply DC Supply
1 24VAC 24VDC
2 0VAC (Neutral) 0VDC
3 Earth Earth
Terminal 3 as shown above in Figure 3-7 MUST be Earthed.
CAUTION
Terminals 1 & 2 in the image below are not polarity conscious, meaning EITHER terminal can be 24V or 0V. For the
purposes of clarity in this document, terminal 1 will be used for 24V and terminal 2 for 0V.