21
21
21
21
21.1
21.1
21.1
21.1
USE
USE
USE
USE
Intended
Intended
Intended
Intended use
use
use
use
For safety reasons, the device must be installed and used according to the instructions provided. In particular, parts
carrying dangerous voltages must not be accessible in normal conditions.
The device must be adequately protected from water and dust according to the application, and must only be accessible
with the
use
of a tool (except for the front panel).
The device is suitable for
use
with household refrigeration appliances and/or similar equipment, or as a standalone device,
and has been tested for safety aspects in accordance with the harmonised European reference standards.
It is classified as follows:
•
In terms of design, as an automatic electronic temperature and
humidity
controller for built-in or stand-alone
installation.
•
In terms of automatic operating characteristics, as a type 1B controller.
•
In terms of software class and structure, as a Class A controller.
•
In terms of connection, as a device with flexible, external and disconnectable cable.
•
With Y connection.
•
Grade 2 polluting device.
•
Grade II device in terms of the relative over voltage category.
•
Ball test temperature: 75°C.
21.2
21.2
21.2
21.2
Improper
Improper
Improper
Improper use
use
use
use
Any
use
other than that indicated is not allowed.
The relay contacts supplied are of the functional type and subject to fault (being managed by an electronic part they could
shortcircuit or remain open). Any safety protection prescribed in product standards, or suggested by common sense, must
be installed externally to the instrument for obvious safety reasons.
22
22
22
22
22.1
22.1
22.1
22.1
22.2
22.2
22.2
22.2
REGULATIONS
REGULATIONS
REGULATIONS
REGULATIONS
Regulations
Regulations
Regulations
Regulations
European
European
European
European Community
Community
Community
Community Directives
Directives
Directives
Directives
The product complies with the following
European Community Directives
:
· Directive of the Council 2006/95/EC
· Directive of the Council 2004/108/EC
and complies with the following harmonised
regulations
:
EN 60730-2-9
22.2.1
22.2.1
22.2.1
22.2.1
Compatibility
Compatibility
Compatibility
Compatibility with
with
with
with EN12830
EN12830
EN12830
EN12830
The EWHT1800 LX logs temperatures in accordance with the provisions of EN12830 in the following conditions:
•
logging interval (minutes) <=30
•
temperature probe value logging with NTC /
humidity probes
with 4..20mA / 0-10V signals, Eliwell
NOTE: We recommend downloading data only when the logging function is NOT ACTIVE. Otherwise, the
download
will
include the most recent logged event.
22.3
22.3
22.3
22.3
22.3.1
22.3.1
22.3.1
22.3.1
Application
Application
Application
Application information
information
information
information sheet
sheet
sheet
sheet
Type
Type
Type
Type of
of
of
of data
data
data
data logging
logging
logging
logging
Suitable for storage
22.3.2
22.3.2
22.3.2
22.3.2
General
General
General
General Requirements
Requirements
Requirements
Requirements
Measurement
Measurement
Measurement
Measurement
range
range
range
range
•
NTC probes: -50…+110°C (maximum 4)
•
Humidity probes
with 4..20mA / 0-10V inputs (maximum 1)
•
Network devices:
Use
only class II rated devices (Eliwell).
Protection
Protection
Protection
Protection rating
rating
rating
rating provided
provided
provided
provided by
by
by
by outer
outer
outer
outer casings
casings
casings
casings
•
IP 54
Supply
Supply
Supply
Supply voltage
voltage
voltage
voltage and
and
and
and frequency
frequency
frequency
frequency
· 230V a +10% 50/60 Hz ±3Hz
· 230V a -15% 50/60 Hz ±3Hz
Power
Power
Power
Power failures
failures
failures
failures
Non-volatile internal memory, 20-year duration
22.3.3
22.3.3
22.3.3
22.3.3
Requirements
Requirements
Requirements
Requirements for
for
for
for metrological
metrological
metrological
metrological characteristics
characteristics
characteristics
characteristics
Maximum
Maximum
Maximum
Maximum permissible
permissible
permissible
permissible errors,
errors,
errors,
errors, and
and
and
and temperature
temperature
temperature
temperature measurement
measurement
measurement
measurement resolution
resolution
resolution
resolution and
and
and
and error
error
error
error
•
Probes: Class I -50…+110°C NTC INPUTS ONLY
EWHT 1800LX
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