EUfire NC951 Design & Installation Manual

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 3 • Page 1 of 8

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Single Zone Emergency Assistance Alarm

+

­1
2
3
4

I

ndicators will operate:

Intermittently when help is on the way

R

REESSEETT

Indicators will operate:

C

ontinuously 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 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 3 • Page 2 of 8

QUICK START INSTALLATION GUIDE

-Ve SIG +Ve

1 -Ve +Ve

Spr Sig -Ve Sig -Ve +Ve

NC C NO

NEGATIVE

SIGNAL

POSITIVE

F

U

S

E

L

N

CONN2

R

REESSEETT

Indicators will operate:

Continuously when pull cord is activated

Intermittently when help is on the way

On Calling

Call Accept

AcceptReset

PLK1

Selectable Link

Mains Connector

230Va.c. from

3A switched

fused spur

(not supplied)

NC943B

Single Zone Call Controller

c/w Sounder

(mounts on a 25mm UK double

gang back box)

TYPICAL LOCATION

Outside the WC in a remote

staffed area.

NC806CS

Overdoor Light

c/w Sounder

(mounts on a

25mm UK single

gang back box)

TYPICAL LOCATION

Outside the WC

above the door.

NC809DBBT

Accessible Toilet Reset

Point c/w sounder

(mounts on a 25mm UK

single gang back box)

TYPICAL LOCATION

Inside the WC so it is

reachable from the toilet

and a wheelchair.

Position 750-1200mm

above floor level and at

least 350mm from corners.

DO NOT connect

+Ve to the ceiling

pull’s signal (Sig)

terminal as this WILL

damage the device.

1mm

2

T&E

Figure 1 below, summarises key information provided in this document. For experienced installers, this should be all you need to get started.

If in doubt, or if using this equipment for the first time, read the full document.

Volt-free

relay contacts

The call controller is a piece of Class 2 equipment.

However, any metal parts used during installation,

i.e. metal back box, MUST

be earthed.

Three cores of four core

stranded burglar alarm cable

NC807C

Ceiling Pull

(surface mounting)

Base fits 16mm

conduit and

BESA centres

TYPICAL LOCATION

Alongside the WC.

Set upper triangle

800-1000mm above

floor level. Set lower

triangle 100mm

above floor level.

Figure 1 : Typical NC951 Accessible Toilet Alarm Wiring

DESIGNING AN ACCESSIBLE TOILET ALARM SYSTEM

Figure 2 below, shows a typical ‘good practice’ layout for an accessible toilet alarm system
based on the recommendations of BS 8300. Always refer to the full version of BS 8300 before
system design/installation.

Figure 2 : Typical BS 8300 Compliant Accessible Toilet Alarm System

W

C

Indicators will operate:

Continuously when pull cord is activated

Approved Document No.: DNU0951001 Rev 3 • Page 3 of 8

Site the ceiling pull so its pull
c

ord can be operated from the

WC and adjacent floor area.

Site the call controller
outside the WC in a
remote staffed area.

Site the reset point so it is reachable
from both the WC and a wheelchair.
Position 750mm - 1200mm above floor
level, at least 350mm from the corners.

Set the lower
triangle exactly
100mm above
floor level.

S

et

t

he upper

t

r

iangle bet

w

een

800m

m

- 1000m

m

abov

e f

loor

lev

el.

4 core

security cable

230Va.c.

3A switched

fused spur.

S

ite the overdoor light outside

the WC above the door.

1mm

2

T&E