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OVERVIEW
This device is an electronic room thermostat for
heating or cooling systems suitable for reliable and
accurate temperature regulation in commercial and
industrial premises as well as for home installation.
A manual selector (3) allows to select the desired
function: cooling () or heating ().
The room temperature can be sensed by the
internal sensor or a remote sensor (optional).
OPERATION
When the device is in „Heating‟ mode and the
measured room temperature is below the value set
through the knob the thermostat turns the relay on
and, at the same time, turns the red LED (1) on for
„Heating‟. When, on the contrary, it is at „Cooling‟
mode and the measured room temperature is over
the value set through the knob the thermostat turns
the relay on and, at the same time, turns the red
LED on for „Cooling‟.
SETTING THE ROOM TEMPERATURE
The user can set the room temperature by moving
the dial (2) to any desired temperature, as explained
in the former paragraph, between 6°C and 30°C.
KNOB ROTATION LIMITATION
It is possible to limit the rotation range for the
set-poin knob by following these steps:
1. Remove the knob by tilting it, eventually with the help
of a screwdriver placed in the slot (2).
2. Pick up the plastic pins (4) parked at one side of
the knob area and set them (5) as in the example
of Fig. 2. In this example the rotation range (6) is
reduced as in the shown angle.
INSTALLATION
WARNING
- To adjust properly room temperature, install
the thermostat about 1.5m from floor level, far
from heat sources, airstreams or particularly
cold walls (thermal bridges). When the remote
sensor is used in conjunction with the
thermostat, then this note is to be applied to
the remote sensor itself.
- For remote version all wirings must be made
using wires with 1,5 mm² minimum cross
section and no longer than 25 m. Do not use
same duct for signal wires and mains.
- The appliance must be wired to the electric
mains
through
a
switch
capable
disconnecting all poles in compliance with the
current safety standards and with a contact
separation of at least 3 mm in all poles.
- Installation and electrical wirings of this
appliance
must
be
made
by
qualified
technicians and in compliance with the
current standards.
- Before wiring the appliance be sure to turn
the mains power off.
For installation the thermostat follow these steps:
1. Remove the knob by tilting it, eventually with the
help of a screwdriver placed in the slot.
2. Remove plastic cover by moving to the inner side,
through the use of a tool (Fig. 4), the two plastic teeth
(3) located on the left side (Fig. 3) of the thermostat.
3. Fix the thermostat base plate to the wall through the
two screw holes with distance between axes of 60mm.
4. Make the electrical connections, routing the wires
through the rectangular opening (8) and following
to the diagram of Fig. 4.
5. Close the thermostat by carefully positioning the
cover so that the LED matches the relevant hole and
then by slightly pressing the cover in order to make
the four plastic teeth snapping. Then insert the knob.
SELECTION INTERNAL/EXTERNAL SENSOR
The thermostat leaves the factory configured by
default for operation with the internal temperature
sensor. If it is planned to install a remote sensor,
remove the jumper connector JP1 (9 of Fig. 7) and
connect an NTC type sensor (4700 ohm@ 25°C)
with a suitable beta value to terminals 7 and 8. In
case of doubt as to the type of sensor to connect,
please consult the manufacturer.
TECHNICAL FEATURES
Power supply:
230V~ -15% +10% 50Hz
Power absorption:
5,3VA
Regulation range:
6°C .. 30°C
Differential:
0,5°C
Internal sensor type:
NTC 4,7kΩ @ 25°C
Remote sensor optional: NTC 4,7kΩ @ 25°C
Contact rating:
5 (1) A @ 250V~ SPDT
Protection grade:
IP 30
Operating temperature: 0°C .. 40°C
Storage temperature:
-10°C .. +50°C
Humidity limits:
20% .. 80% RH
(non condensing)
Case:
Material:
ABS self extinguishing V0
Color:
Signal white (RAL 9003)
Size:
85 x 85 x 31 mm (W x H x D)
Weight:
~135 gr.
CLASSIFICATION UNDER REG. 2013.811.EC
Class:
I
Contribution to energy efficiency:
1%
NORMATIVE REFERENCES
The product complies with the following standards
(EEC 2004/108/ and 2006/95/):
EN-60730-1 (2011)
EN-60730-2-9 (2010)
of
WARRANTY
The manufacturer is committed to the continual
development of its products and hence reserves the
right
to
change
technical
specifications
performance features without notice. Consumers are
provided with a warranty against product non-
conformity in accordance with European Directive
1999/44/EC and the manufacturer‟s guarantee policy.
The complete text of the warranty is available on
request from the seller.
3
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