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Installing the NC-220 ZF3
6.1
Overview
The NC-220 ZF3 is an end device in the MiCare Nurse Call and Emergency System. The ZF3
monitors up to 3 inputs (one for cancel button and two general purpose inputs) and
communicates wirelessly with the routers (Patient Units or Beacons) in the Nurse Call and
Emergency System.
The ZF3 has terminals for the following connections:
•
3 Inputs
•
These connections are covered in sections 6.2 and 6.3.
Section 6.4, Mounting the ZF3, describes how to mount the ZF3. Note that the ZF3 is not
intended to be used in an Oxygen-Enriched Environment.
Section 6.5, Maintenance and Service, covers the recommended maintenance and service
procedures for the ZF3.
6.2 Inputs
The ZF3 can monitor the state of up to 3 normally open inputs (one cancel button and two
generic inputs). When an input becomes active, the ZF3 sends a notification to the 802.15.4
wireless network. This notification is then picked up by one of the routers in the Nurse Call and
Emergency System, which then sends it to the Central server for processing. Examples of
general purpose inputs that can be used with the ZF3 include auxiliary smoke detectors, door
contacts, cancel buttons, and motion sensors.
The operating specifications for the inputs on the ZF3 are:
•
Wet contact pair, supplied voltage is max 3.6 V
•
Nominal current of 1.4 mA (external loop closed) and an absolute maximum of 5 mA
Install in accordance with the Canadian Electrical Code or the National Electrical
Code, and comply with all local regulations. Final acceptance subject to the Local
Authority Having Jurisdiction (AHJ).
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