Carrier WTC-L-307 - Input Wiring Guide

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ENGLISH
5. Input wiring
Input wiring is common to all WTC types.
Each controller has physical connections for two
(2) inputs (marked as DIx for Digital Inputs on
X9connector)thatareconguredusinga
network tool or user interface (RCI-D).
All input wiring must be connected using the
provided detachable connectors.
Connectors allow the use of cables up to 1.5 mm².
Figure 1: X9 Digital input – Dry contact connection
External dry
contacts
(1) VREF
(2) COM
(3) DI2
(4) DI1
X9 wiring digital inputs (DI1, DI2)
Thisinputcongurationisusedtomonitor
digital dry contacts as, for instance, window
contact.
Power supply connections for all units
Power connection without Fuse Holder Power connection with the optional Fuse Holder
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