Innotech Omni C20 - Figure 3-5: Omni C20;D 24 V Input Terminals; Table 3-4: Recommended Wiring

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Omni Installation Instructions

3-4.3.1 Power Input

The Omni C20 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 C20 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.

Figure 3-5: Omni C20/D 24V Input Terminals

1 32

The terminal numbering used in Figure 3-5 is only for identification purposes and does not relate to any numbering

on the physical controller.

Table 3-4: Recommended Wiring - C20

Terminal AC Supply DC Supply

1 24VAC 24VDC

2 0VAC (Neutral) 0VDC

3 Earth Earth

Terminal 3 as shown above in Figure 3-5 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.

Innotech Omni C20 - Figure 3-5: Omni C20;D 24 V Input Terminals; Table 3-4: Recommended Wiring - C20