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Vemer Inte kategoriserad FR NTC-4P3D

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User Manual 4-Channel Refrigeration Regulators
Regolatori per
Refrigerazione
Digitali
FR -4 NTC
Manuale d’Uso
- 21 -
User Manual 4-Channel Refrigeration Regulators
Contents
Safety warnings Page 22
Technical specifications Page 22
Description of instrument Page 24
Electrical connections Page 25
Glossary Page 25
Operation Page 26
Setting the regulation parameters Page 27
Parameter menu Page 29
Error messages Page 38
Reference standards Page 39
Dimensions and connection diagrams, 33x75 mm Page 40
English
- 22 -
User Manual 4-Channel Refrigeration Regulators
Series
Series of digital thermoregulator for regulating the temperature that execute
1B type actions (EN 60730-1).
of digital temperature regulators used to satisfy the simplest requirements
in the field of refrigeration. Can be used as regulators for the control of:
- ventilated units (with fan on the evaporator) operating at low temperature
(below 0°C)
The temperature probe to be used is of the NTC type. It is also possible to
connect a second probe for the display of the product conservation temperature
- FR -4NTC with 4 relay outputs in exchange for the control of ventilated
refrigeration units. The four relays controls the compressor, defrosting,
evaporator fans and minimum and maximum alarms.
Suitable for the control of VENTILATED refrigeration units with fan on the
evaporator, operating at temperatures below 0 °C and requiring active
defrosting by means of an electrical resistance or hot gas injection.
As well as operating as a thermometer and thermostat, the regulator also
controls the defrosting driver by activating a compressor or solenoid valve to
keep the unit at the temperature required.
TECHNICAL SPECIFICATIONS
SAFETY WARNINGS
During the installation and operation of the instrument, the following
safety instructions should be followed:
1) The instrument should be installed by qualified personnel
2) Read the instructions in this manual carefully
3) Carefully follow the instruction diagrams to install the device
4) Before gaining access to the connector terminals, make sure the conductors
to be connected to the instrument or already connected are not powered
5) Make sure the electric panel in which the device is inserted will prevent
access to the terminals after installation
6) Do not supply power to the device if any part of it is damaged
The instrument must be installed and activated in compliance with current
electric systems standards.
7)
The connection cables should be able to resist the maximum operating
temperature in the form of the maximum ambient temperature + 20 °C
8)
The instruments guarantee main insulation between the low voltage parts
(250 V) and the extremely low voltage parts
10)
9)
Any outside switches connected to the control panel should guarantee
a minimum insulation of 250 V AC at operating temperature, or should be
protected by equivalent insulation
English

Produktspecifikationer

Varumärke: Vemer
Kategori: Inte kategoriserad
Modell: FR NTC-4P3D

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