These instructions are for the S-Quad product range. An
S-Quad product integrates dual angle smoke, heat and carbon
monoxide gas detection with electronic sounder, speech and
LED flasher (Strobe) in one assembly.
Product range
All LPCB approved Sensor STATES are
listed in the S-Quad Description and
commissioning information .
These products are not visual alarm devices and do not
meet EN 54-23.
Part number Description Symbol
S4-720 Heat Sensor H
S4-780 Heat Sensor &
Sounder
HS
S4-720-ST-VO Heat Sensor, Speech
& Strobe
HStSp
S4-715 # Optical Sensor # O #
S4-710 Optical & Heat Sensor OH
S4-770 Optical & Heat Sensor
plus Sounder
OHS
S4-711 Dual Optical & Heat
Sensor
O
2
H
S4-771 Dual Optical & Heat
Sensor plus Sounder
O
2
HS
S4-711-ST Dual Optical & Heat
Sensor plus Strobe
O
2
HSt
S4-711-VO Dual Optical & Heat
Sensor plus Speech
O
2
HSp
S4-711-ST-VO Dual Optical & Heat
Sensor plus Speech &
Strobe
O
2
HSpSt
S4-911 Dual Optical, Heat &
CO Sensor
O
2
HCO
S4-911-ST-VO Dual Optical, Heat &
CO Sensor plus
Speech & Strobe
O
2
HCOSpSt
# This 'Optical' Sensor is used in the Duct sensor.
Associated products
S4-700 S-Quad Base
S4-FLUSH Semi-Flush fixing kit
805589 Sensor dust cover (50 pack)
805580 Removal tool kit
S4-COVER-REMOVER Dust cover remover tool
(spare adaptor)
805576 Label plate (10 pack)
805573 Base IP43 Gasket (5 pack)
General specification
Operating voltage 35V - 41V
Weight 110g (with base - 170g)
S4-720 only:88g (with base -
148g)
Dimensions 117mm diameter by 49.6mm
height (With base the height
increases to 63.8mm)
IP rating IP30
IP20 when mounted on a metal
back box
Enclosure ABS
Colour RAL 9010
Approval LPCB approved
Storage Temperature
-20°Cto+70°C (for S-Quad
with CO -20°Cto+50°C)
Ambient operating
temperature
-10°Cto+50°C
Relative Humidity 95% non condensing
(+5°C to +45°C)
Heat (H) Standard
EN54 : Part 5 : 2002
Optical (O) Standard
EN54 : Part 7 : 2002
Dual Optical (O
2
)
Standard
EN54 : Part 7 : 2002
Sounder (S) Standard
EN54 : Part 3 : 2002
Gas (CO) Standard *
LPS 1274
Multi sensor standard
CEA 4021: 2003-07
EN54-18 : 2005 - Input/Output devices
EN54-17 : 2005
- Short-circuit
isolator
(section 4.8)
data:
Vmax 42V IC max 0.4A
V
nom 40V IS max 1A
V
min 24V IL max 20mA
V
SO max 16V ZC max 0.16W
V
SO min 8V
* The 'Gas' sensing is designed to meet the requirements
of LPS 1274 : issue 1.0
Information on minimum sound output levels to include polar
dispersion is covered in a technical note TECH7018.033,
available on request from manufacturer.
4188-779 issue 10_12/13_S-Quad _Part 1 1
Data and Installation
S-Quad
Sensor, Sounder, Speech & Strobe
To Next Page
Need help?
General
