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nVent RAYCHEM RayStat-M2 Thermostat Instruction Manual
Roof sensor type RayStat-M2-R-Sensor:
ENGLISH
EN
DE
FR
RU
PL
IT
Designed to be mounted in gutter or downpipe. Is used together
with outdoor sensor RayStat-M2-A-sensor.
nVent RAYCHEM RayStat-M2 is an electronic controller for
economical ice and snow melting on outdoor areas and in
gutters. Ice forms due to a combination of low temperature and
moisture. RayStat-M2 detects temperature and moisture and the
snow melting system will usually only be activated if snow or ice
is present. RayStat-M2 is suitable for controlling electric heating
cables.
Detection ..............................................................................Moisture
Mounting .................................................................................. Gutter
Enclosure rating ......................................................................... IP 68
Ambient temperature....................................................... –50/+70°C
Dimensions H/W/D...........................................................105/30/13 mm
Product program
RayStat-M2
Controller.
SV
FI
Outdoor temperature sensor type RayStat-M2-A-Sensor:
Detection ....................................................................... Temperature
Ground sensor for detecting temperature
and moisture.
RayStat-M2-G-Sensor
Mounting ......................................................................................Wall
Ambient temperature....................................................... –50/+70°C
Dimensions H/W/D..................................................... 86/45/35 mm
RayStat-M2-R-Sensor Gutter sensor for detecting moisture.
NO
NL
CZ
SK
LT
RayStat-M2-A-Sensor Ambient Temperature sensor.
NOTE: The snow and ice melting system is deactivated in
the event of sensor failure - regardless of sensor type.
CE and UKCA marking
This product is manufactured in accordance with EU Council
Directive 89/336/EEC on electromagnetic compatibility (and
subsequent amendments) and EU Council Directive 2006/95/EEC
on electrical equipment designed for use within certain voltage
limits.
Sensor installation
Ground sensor, fig. 1 & 3:
For installation in traced outdoor surfaces where ice and snow
are a regular problem. The sensor must be embedded horizontally
with its top flush with the surrounding surface.
LV
ET
Applied standards
EN 61000-6-3, EN 61000-6-2, EN 60730-1 and EN 60730-2-9.
The sensor cable must be installed in accordance with current
regulations.
The product may only be used if the complete installation
complies with current directives.
NOTE: We strongly recommend the use of cable pipes in order
to protect the sensor cable. Detailed installation instructions are
supplied with the sensor.
The product carries a manufacturer’s warranty if installed in
accordance with these instructions and current regulations.
If the product has been damaged in any way, e.g. during transport,
it must be inspected and checked by authorised personnel before
being connected to the power supply.
With RayStat-M2-G-Sensor, use the accompanying installation plate.
Roof sensor RayStat-M2-R-Sensor, fig. 2 & 4:
For installation in a gutter or downpipe on the sunny side of
the building. It is important to ensure that the sensor contact
elements face against the flow of melt water. Be aware that
the pink (2) and grey (1) wire must not be installed. Detailed
installation instructions are supplied with the sensor.
WARNING – Important safety instructions.
Always disconnect the power supply before performing
installation or maintenance work on this control unit or any
of the components connected to it. This control unit and the
components connected to it should only be installed by qualified
electricians. Electrical installation must be performed in
accordance with applicable local regulations.
Outdoor temperature sensor RayStat-M2-A-Sensor, fig. 2 & 4:
For use in conjunction with roof sensor RayStat-M2-R-Sensor. Can
also be used separately for the detection of temperature alone.
The sensor should be mounted on the wall under the eaves on the
north side of the building.
Technical data
Controller RayStat-M2:
Supply voltage..........................................230 V AC ±10 %, 50-60 Hz
Output relay (NO) ........................................................................ 16 A
On/off differential ......................................................................0.4°C
Temperature Setting for Startup ..........................................0/+10°C
Run-on time ......................................................................... 0-5 hours
Ambient temperature....................................................... –10/+50°C
Ambient air humidity..............................................................10-95 %
Enclosure rating .........................................................IP 20 / Nema 1
Power consumption.................................................................... 3 VA
Weight ...................................................................................... 200 g
Dimensions H/W/D..................................................... 86/52/59 mm
Sensor cables
RayStat-M2-G-Sensor and RayStat-M2-R-Sensor are supplied with
10 m cable, which can be extended up to approx. 200 m using
standard installation cable: 6x1.5 mm2 for RayStat-M2-G-Sensor
and 4x1.5 mm2 for RayStat-M2-R-Sensor. The RayStat-M2-A-
Sensor cable can be up to approx. 50 m in length. Sensor cables
must be installed in accordance with current regulations. They
must never be installed parallel to power cables as electrical
interference may distort the sensor signal.
Controller installation
The control unit should be DIN-rail mounted in an approved panel.
Connect supply voltage to terminals 1 and 2. Electrical installation
must be performed in accordance with applicable local
regulations.
Ground sensor type RayStat-M2-G-Sensor:
Designed to be embedded in outdoor areas.
Detection ................................................. Moisture and temperature
Mounting .......................................................................Outdoor area
Enclosure rating ......................................................................... IP 68
Ambient temperature....................................................... –50/+70°C
Dimensions...................................................................H32, Ø60 mm
Setup
RayStat-M2 can be set up for ice and snow melting on outdoor
areas in conjunction with RayStat-M2-G-Sensor sensors or in
gutters/downpipes in conjunction with RayStat-M2-R-Sensor and
RayStat-M2-A-Sensor sensors.
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nVent.com/RAYCHEM
| General | Details |
|---|---|
| Name | nVent RAYCHEM RayStat-M2 Thermostat Instruction Manual |
| Make | nVent RAYCHEM |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.61 MB |
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