RM-O-M

PREVENTS SMOKE TRANSMISSION VIA THE AIR DUCTS; WITH INTEGRATED AIRFLOW MONITORING

For monitoring air ducts and preventing smoke transmission via air ducts of ventilation and air-conditioning systems
Monitors air ducts in conjunction with a fire alarm system or management and control equipment (MBE)
Flexible use in round and square air ducts with a diameter or height of 100 mm or more
to provide the control input signal for fire dampers and smoke protection dampers
With alarm and fault memory in case of power failure
Suitable for controlling fans
Optionally with remote display module for operating and status messages with intuitive operating function
Display of the degree of pollution in %
With configurable integrated airflow monitoring
Functional test of the smoke detector by means of test gas can be carried out without auxiliary means on the unit
Individual expandability via extensive optional accessories
Supply voltage 230 V AC or 24 V DC
Can be integrated into an MBE via interface modules
Can be individually configured and ordered for every application
VdS recognition number G223017/EN 54-27:2015
DIBt approval Z-78.6- ... applied for

General information

Application

Prevents smoke transmission via air ducts of ventilation and air conditioning systems
Monitors ventilation ducts in conjunction with a fire alarm system
Can be integrated into management and control equipment (MCE) with TROXNETCOM
To provide control input signals for fans
For controlling fire dampers with electric or electric-pneumatic release mechanism
To provide control input signals for smoke protection dampers with electric spring return actuators

Special characteristics

Smoke detection based on the optical scattered light principle
For airflow velocities from 1 – 20 m/s
Integrated flow sensor
Power supply: 230 V AC or 24 V DC
Status messages on the smoke detector or optionally via the display and operating module
Display: Pollution degree in %, LO (low) at airflow < 0.8 m/s, Normal, Fault, Alarm, Test, Reset
Functional test of the smoke detector by means of test gas can be carried out without auxiliary means on the unit
Product- and fabrication-independent application
Annual maintenance

Classification

EN 54-27:2015-05; Fire detection and fire alarm systems - Part 27: Smoke detectors for monitoring ventilation ducts
VdS approval G223017
General building inspectorate licence has been applied for

Material and surfaces

Casing: plastic, ABS-V0

Variants

With probe (air guide profile)
With sensor head in the duct

Installation and commissioning

The duct smoke detector must be exposed to a uniform airflow
Screw the casing onto the air duct with the supplied screws
The smoke detector may only be mounted on the 4 mounting holes in the bottom of the casing
Fit the duct smoke detector in the upper third of horizontal air ducts (not near a corner).
1.5 × H minimum distance between duct smoke detector and any bends, control units etc.
Establish power supply
Mount the upper shell of the casing
Perform functional test

Accessories

RM-KIT/DISP-L: Retrofit kit display module DISP, including 8 m connection cable with RJ45 connector
RM-KIT/DISP-S: Retrofit kit display module DISP, including 0.2 m connection cable with connector RJ45
RM-KIT/CONSOLE: Mounting console for round air duct
RM-KIT/TESTER: Test gas spray can, non-flammable
RM-KIT/EM-RELAY: Expansion module EM-RELAY

Maintenance

The operator is responsible for the functional safety of a ventilation system
The operator has the duty of care:
- Smoke detectors, including all connected components, must be ready for operation at all times
- Smoke detectors, including all connected components, must be maintained at all times
- Check the function of smoke detectors at least once a year
- Smoke detectors must be included in the regular cleaning of the ventilation and air conditioning system
- For further information on maintenance, inspection and servicing, please refer to the operating and installation instructions

Replacement parts

RM-KIT/RM-SRD3000: TROX sensor head
RM-KIT/COVER: Replacement casing
RM-KIT/GROMMET: sealing grommet cable bushing
RM-KIT/TUBE SCREW: Replacement screw for mounting the probe (air guide profile) into mounting plate
RM-KIT/DISP BRACKET: Replacement bracket for display module DISP-L

Technical information

Application, Technical data, SPECIFICATION TEXT, Order code

RM-O-M with lance (air guide profile) on angular air duct

5 Fastening screws

6 Casing

Internal fuse	500 mA, slow-blow
maximum cross-section of connection cable	2.5 mm²
Relay contact FD Alarm (fire alarm), motherboard	230 V AC/24 V DC; 8A
Relay contact Sys Fail (system error), motherboard	24 V DC; 1A
Relaiskontakt Alarm BMS*, EM-RELAY	24 V DC; 1A
Relay contact Airflow (airflow monitoring), EM-RELAY	24 V DC; 1A
Relay contact Pollution (monitoring of pollution level), EM-RELAY	24 V DC; 1A
IP protection level	IP 42
Protection class (230V AC/24 V DC)	II (protective insulation) / III (protective extra-low voltage)
Minimum length air guide profile	90 mm (600 mm in scope of delivery)
permissible airflow velocity	1.0 – 20 m/s
Alarm threshold for volume flow rate	0.8 m/s
Alarm threshold for increased contamination	> 70 %
Operating temperature	-10 to 65 °C
Relative humidity	5 % to 90 %, no condensation
Storage temperature	-20 to 70 °C
Weight	maximum 1.1 kg (without air guide profile)
Dimensions	340 × 144 × 80 mm (L × W × H)
EC conformity	Construction Products Regulation (EU) no. 305/2011
Approvals
EN 54-27:2015	Fire detection systems - Smoke detectors for monitoring ventilation ducts
General building inspectorate licence	Z-78.6- ...
VdS approval number	G223017

*BMS: Building Management System = Management and control equipment (MCE)

Material

Housing: plastic, ABS-V0

Technical data

Detection principle: optical scattered light principle
Power supply DC: 24 V ±10 %
Power supply AC: 230 V AC ±15 %, 50 - 60 Hz
Operating voltage range DC: 21.6 V DC - 28.8 V DC ± 3%
Switch-off range DC: < 22.3 V DC and > 28.0 V DC
Power consumption without accessories (nominal operation): 5 VA (at 230 V AC); 3.6 W (at 24 V DC)
Power consumption with display or expansion module (nominal operation): 6 VA (at 230 V AC); 4.8 W (at 24 V DC)
Current consumption without accessories (nominal operation): 40 mA (at 230 V AC); 150 mA (at 24 V DC)
Current consumption with display or expansion module (nominal operation): 50 mA (at 230 V AC); 200 mA (at 24 V DC)
Maximum connected load spring return actuator: 10 VA (230 V AC/24 V DC)
Relay contact FD alarm (motherboard): 230 V AC or 24 V DC; 8 A
Relay contact Sys Fail (system error), motherboard: 24 V DC; 1A
Relay contact alarm BMS, EM-RELAY: 24 V DC; 1A
- BMS: Building Management System = Management and control equipment (MCE)
Relay contact Airflow (airflow monitoring), EM-RELAY: 24 V DC; 1A
Relay contact Pollution (monitoring of pollution level), EM-RELAY: 24 V DC; 1A
IP protection class: IP 42
Protection class 230 V AC/24 V DC: II (protective insulation)/III (protective extra-low voltage)
Minimum length of lance (air guide profile): 90 mm (600 mm in scope of delivery)
- Cutting to the required length is done by the customer
- Further information on the installation of the air guide profile can be found in the operating and installation instructions
Permissible airflow velocity: 1 – 20 m/s
Alarm threshold for volume flow rate: < 0.8 m/s
Alarm threshold for increased contamination: > 70 %
Operating temperature range: -10 – 65 °C
Storage temperature: -20 to 70 °C
Relative humidity: 5 – 90 %, no condensation
Weight: maximum 1.1 kg (without air guide profile)
Dimensions: 340 × 144 × 80 mm (L × B × H)

Zulassungen

VdS approval G223017

Standards and guidelines

EN 54-27:2015-05; Fire detection and fire alarm systems - Part 27: Smoke detectors for monitoring ventilation ducts

Accessories

Aluminium air guide profile, length 600 mm, standard
Sensor head, optical scattered light principle
Removable display module with 7-segment display for operating and status messages - see link
Mounting of the display module directly on the smoke detector (central mounting)
- Length connection cable: 0.2 m
- Mounting of the display module by means of mounting brackets (decentralised mounting)
  - Remote operability due to long connection cable
  - Length connection cable: 8.00 m
EM relay board for evaluation of alarm, contamination and airflow monitoring

Equivalence criteria

Can be used flexibly with lance (air guide profile) or sensor head in the duct
Removable display module with magnetic surface for operating and status messages
Function test can be carried out from the outside
Simple function test with test spray via integrated maintenance opening in the transparent housing
With display of the degree of pollution and quiescent value tracking
Permissible air velocity 1 - 20 m/s with warning limit at < 0.8 m/s
Can be integrated into MCE, regardless of manufacturer

Manufacturer: TROX GmbH

Order code

Depending on configuration

Life cycle assessment
A life cycle assessment is available for the product series in form of an Environmental Product Declaration (EPD) that has been checked and published by a programme holder.

RM-O-M

–

DISP-L

CRD

OFF

1 Type
RM-O-M Duct smoke detector, multifunctional

2 Detection principle
S Release if smoke is detected

3 Installation variant
T Detection via probe (air duct profile)
D Detection directly in the air duct*

4 Attachment
No entry: without attachment
DISP-S Display module with 0.2 m connection cable
DISP-L Display module with 8 m connection cable

5 Expansion module
No entry: without expansion module
R EM-RELAY additional switch contacts
A EM-ASI (for bus interface AS-Interface)*
W EM-BACMOD-RM (for bus interface BACnet MS/TP)*
M EM-BACMOD-RM (for bus interface Modbus RTU)*

6 Accessories
No entry: without accessories
CRD Console for round duct (only with installation variant T)

7 Airflow monitoring
No entry: ON
OFF deactivated (for use in air transfer dampers / MFD)Bestellbeispiel: RM-O-M-S-T/DISP-L/R/CRD/OFF

Type	RM-O-M Duct smoke detector, multifunctional
Smoke detection	Release if smoke is detected
Installation variant	Detection via lance (air duct profile)
Attachment	Display module with 8 m connection cable
Expansion module	EM-RELAY additional switch contacts
Accessories	Console for round duct (only with installation variant T)
Airflow monitoring	deactivated (for use in air transfer dampers)

*Variant expected to be available end of quarter 2/2024

Variants

RM-O-M DISP-S

Application

Central installation:

Attachment of the magnetic display module directly to the smoke detector
Length connection cable: 0.2 m

Application

Decentralised mounting in installation situations that are difficult to access:

Fastening the magnetic display module to the mounting bracket
Mounting the bracket with 3 fixing screws
Remote controllability through long connection cable, length: 8.00 m

Downloads

product information

Product data sheet RM-O-M

RM-O-M_PD_2023_10_23_DE_en Product data sheet 1,2 MB pdf

certificates

Environmental Product Declaration RM-O-M

RM-O-M_EPD_2024_03_DE_en Environmental Product Declarations 460 KB pdf

operation manuals

Installation and operating manual RM-O-M

RM-O-M_IOM_A00000046508_V1_2023_09_GB_en Installation and operating manual 3,3 MB pdf

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RM-O-M

PREVENTS SMOKE TRANSMISSION VIA THE AIR DUCTS; WITH INTEGRATED AIRFLOW MONITORING

General information

Technical information

Application, Technical data, SPECIFICATION TEXT, Order code

Variants

Downloads

product information

Product data sheet RM-O-M

certificates

Environmental Product Declaration RM-O-M

operation manuals

Installation and operating manual RM-O-M

TECHNICALLY NECESSARY

STATISTICS AND WEBSITE ANALYSIS

CONVENIENCE AND PERSONALISATION

FOR THE BEST TROX EXPERIENCE