NC943B Single Zone Call Controller

Single Zone Call Controller c/w 12V 140mA PSU

Order code: NC943B Categories: , ,
  • A single zone call controller c/w a 12V 140mA PSU and standby battery.
  • Compatible with C-TEC’s entire range of 800 Series Call System components.
  • Capable of indicating standard (constant tone) and emergency (intermittent tone) calls.
  • Includes a volume adjustable sounder and a link-selectable Call Accept/Reset button.
  • Power On and Alarm ‘CALLING’ LEDs.
  • Volt-free relay output for the optional connection of externally powered beacons, etc (relay activates on active call signal).
  • Standby battery provides up to 24 hours standby and 15 minutes alarm running time.
  • Mounts on a standard UK 25mm double gang flush or surface back box.
  • Also available as part of the NC951 Accessible Toilet Alarm Kit.

    

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Technical Specifications
Mains supply

Internal power supply

Total output current limited to

Quiescent current

Max battery size and type

Alarm current

Auxiliary relays

Open collector outputs

Indicators

Controls

Connections

Expansion connections

Call acknowledgement functionality

Product dimensions (mm)

Construction & finish

IP Rating

Weight

Operating conditions/temperature

Documentation
NC943B Call Controller Instructions – DNU0943000322.32 KB Download
How to connect an NC951/NC943B to a Multi-Zone Call Controller – DFU0000951171.94 KB Download
EU Declaration of Conformity – 800 Series 1-4 Zone Call Controllers (DoC)202.33 KB Download
UKCA Declaration of Conformity – 800 Series 1-4 Zone Call Controllers (DoC)101.65 KB Download
Dimensions & Mounting Information
Product Dimensions:147 W x 87 H x 39 D mm. Mounts on a 25mm UK double gang back box.
BIM/CAD Drawings

NC943B Flush mounted BIM (RFA)

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NC943B Surface mounted BIM (RFA)

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Operation (as part of an NC951 system)

When used as part of an NC951 accessible toilet alarm system in conjunction with other 800 Series devices such as NC807C ceiling pull units, NC809DBBT reset points c/w sounders and NC806CS overdoor lights c/w sounders, the NC943B Call Controller operates as follows:-

1. The distressed person raises an alarm by pulling the cord on the NC807C Ceiling Pull Unit.

Inside the WC:-

• The red reassurance LED on the NC807C Ceiling Pull Unit and the red reassurance LED and sounder on the NC809DBBT Reset Point c/w Sounder activate steady to reassure the user the call has been registered.

Outside the WC:-

• The red Alarm LEDs and sounder on the NC806CS Overdoor Light c/w Sounder and the red ‘CALLING’ LED and Sounder on the NC943B Call Controller activate steady to let staff know someone is in need of assistance.

2. The member of staff responding to the Alarm call presses the ‘Call Accept’ button on the Call Controller.

Inside the WC:-

• The red reassurance LED on the NC807C Ceiling Pull Unit and the red reassurance LED and sounder on the NC809DBBT Reset Point c/w Sounder activate intermittently (approx 1 second on, 5 seconds off) to let the user know help is on the way.

3. Once assistance has been provided, the Alarm call is cancelled from inside the WC by pressing the ‘RESET’ button on the NC809DBBT Reset Point c/w Sounder

Inside and outside the WC:-

• All indicators and sounders are extinguished and the system returns to normal.

OPTIONS: A link inside the NC943B Call Controller allows its button operation to be configured so instead of accepting an Alarm call, it resets the call or has no effect. Both of these functions are outside the scope of BS8300 and are therefore not recommended for use in Accessible Toilet Alarm installations. However they may be suitable for use in other applications subject to the approval of the responsible person(s).

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