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User manual 5.14 - OR4 basic / OR4 pro (C6584.005.038-09)
Application
Smoke detector OR4 basic/OR4 pro
Issue 2021-12
Subject to error/change
1
Application
OR4 smoke detector
I
N
F
O
ERR
OR
RUN
OK
For detection of smoke in round and rectangular ventilation ducts
For activation and tripping of fire dampers and smoke protection dampers
For activation of fans
For transmission of signals to fire detection systems or the building management system
VdS approval (G221008)
DIBt approval (Z-78.6-205)
Installation options
B
H
Ventilation ducts, rectangular (B x H): ≥ 100 x 100 mm
Distance from disruption points:
1.5 x hydraulic Ø, upstream and downstream
øD
Ventilation ducts, circular (Ø): ≥ DN100
Distance from disruption points:
1.5 x hydraulic Ø, upstream and downstream
Installation not dependent on position or direction
of air flow
Approvals/certificates
VdS approval (G221008)
An overview of equipment variants
OR4 basic
and
OR4 pro
can be found on Page 5.
Refer to the installation and operating instructions for detailed information on mechanical and electrical installation.
Product features
Quick release fastener for quick accessibility and
functional test without use of tools
Integrated flow monitoring
Enclosed casing for electronics
Replaceable protective screen for protection from
soiling
RM4 smoke switch with automatic tracking of the
response threshold for longer service life
LEDs + LCD display screen for visualisation of
operating statuses, soiling and setting operating
parameters.
TEST locally or using the GLT interface
Cable glands with strain relief for up to 7 connection
lines
Spring terminals for maintenance-free connection of
all lines
Galvanically isolated inputs and outputs
Galvanically isolated RS485 interface with BACnet
MS/TP and Modbus RTU
Alarms and faults saved in case of power failure
Interfaces/protocols
Alarm relay
2 x changeover contact
Inputs
2 x galvanically isolated
Test/reset
Activate flow sensor
Outputs
6 x galvanically isolated
Warning
Alarm/fault
Flow present
Ready for operation
70 ... 99 % level of soiling
100 % level of soiling
RS485
Galvanically isolated with BACnet MS/TP and
Modbus RTU
Area of application
Voltage supply
230 V AC or 24 V AC/DC*
Min./max.
flow velocity
1 ... 20 m/s
Min./max. temperature for operation,
transportation, storage, environment
-20 ... +60 °C
Max. relative humidity
95 %, non-condensing
* Any CE certified power supply unit (SELV) can be used for the 24 V AC/DC
voltage
supply.