Accessible Toilet Alarm
N C 9 5 1 • D E S I G N & I N S T A L L A T I O N G U I D E
Approved Document No.: DNU0951001 Rev 5 • Page 1 of 8
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Single Zone Emergency Assistance Alarm
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Indicators will operate:
Intermittently when help is on the way
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Indicators will operate:
Continuously when pull cord is activated
Intermittently when help is on the way
On Calling
Call Accept
NC951 KIT CONTENTS
NC809DBBT Accessible Toilet Reset Point c/w Sounder
Includes a ‘Reset’ button c/w braille text, red
reassurance LED and sounder.
NC807C Ceiling / Wall Pull
Includes a red reassurance LED, red pull cord
and two triangular pull bangles.
NC949 Accessible WC
Sticker
NC943B Single Zone Call Controller c/w Sounder
Includes a link selectable ‘Call Accept’/’Reset’ button,
‘Calling’ and power ‘On’ LEDs, 140mA PSU, backup
battery, volt-free relay output and sounder.
NC806CS Overdoor Light c/w Sounder
Accessory Pack
Containing device
mounting screws
and shorting link.
Documentation
A Design & Installation
Guide (this document).
This equipment must be installed and maintained by a suitably skilled and technically
competent person.
This document provides a brief design and installation overview of the NC951 accessible
toilet alarm system, based on the recommendations of BS 8300 (the code of practice for the
design of buildings and their approaches to meet the needs of disabled people).
Approved Document No.: DNU0951001 Rev 5 • Page 8 of 8
TECHNICAL SPECIFICATIONS
NC943B Single Zone Call Controller c/w Sounder
Mains supply: Voltage: 230Va.c. 50/60Hz; Max. current: 23mA.
Outputs: PSU voltage 12Vd.c. / current 140mA.
Volt-free relay contacts (NO/C/NC) rated 30Vd.c. @ 1A.
Currents: Zone current 18mA; Alarm current 23mA.
Battery backup: 500mA, rechargeable, 24 hours standby plus 15 minutes alarm run time.
Indicators: Red alarm ‘Calling’ LED; Green power ‘On’ LED (flashes green when
battery backup is active).
Sounder: Active in alarm, volume adjustable.
Controls: ‘Call Accept’ button (link selectable for accept, reset, or no function).
IP Rating (EN 60529):IP31 when correctly installed.
Mounting: Mounts on 25mm UK double gang back box (flush or surface).
Dimensions: 147 x 87 x 39mm (W x H x D).
Weight: 300g
Operating Temp.: -5oC to +40oC; Max. relative humidity (RH) 95% non-condensing.
NC807C Ceiling / Wall Pull Unit
Input: Voltage: 12Vd.c.; Connections: Signal and -Ve.
Pull cord: 3 metres cord length, generates an alarm call when activated.
Indicator: Red reassurance LED, active in alarm.
IP Rating (EN 60529):IP41 when correctly installed.
Mounting: Ceiling or wall surface mountable.
Dimensions: 93mm diameter x 27mm deep.
NC806CS Overdoor Light c/w Sounder
Input: Voltage: 12Vd.c.; Connections: Signal, -Ve and +Ve.
Indicators: Dual ultra-bright red LEDs, active in alarm.
Sounder: Active in alarm.
IP Rating (EN 60529):IP41 when correctly installed.
Mounting: Mounts on 25mm UK single gang back box.
Dimensions: 87 x 87 x 68mm (W x H x D).
NC809DBBT Accessible Toilet Reset Point c/w Sounder
Input: Voltage: 12Vd.c.; Connections: Signal, -Ve and +Ve.
Indicator: Red reassurance LED, active in alarm.
Sounder: Active in alarm.
IP Rating (EN 60529):IP41 when correctly installed.
Mounting: Mounts on 25mm UK single gang back box.
Dimensions: 87 x 87 x 24mm (W x H x D).
E&OE. We reserve the right to alter product specifications at our discretion and without prior notice. This document has been
carefully checked prior to publication. However, no responsibility can be accepted by the manufacturer or distributors of this
equipment for any misinterpretation of an instruction or guidance note or for the compliance of the system as a whole.
