Technical Parameters - Elko EP TER-3A Bedienungsanleitung

Technical parameters

Function:
Supply terminals:
Voltage range:
Power input:
Max. dissipated power
(Un + terminals):
Supply voltage tolerance:
Measuring circuit
Measuring terminals:
Temperature range:
(according to product type
sensitivity)
Hysteresis:
Sensor: external, thermistor NTC, except for TER-3G (Pt100)
Sensor fault indication
(short circuit / disconnect):
Accuracy
Setting accuracy (mech.):
Switching diff erence:
Temperature dependance:
Output
Number of contacts:
Current rating:
Breaking capacity:
Switching voltage:
Output indication:
Mechanical life:
Electrical life (AC1):
Other information
Operating temperature:
Storage temperature:
Electrical strength:
Operating position:
Mounting:
Protection degree:
Overvoltage category:
Pollution degree:
Max. cable size (mm 2 ):
Dimensions:
Weight:
Standards:
Warning
Device is constructed for connection in 1-phase AC 230 V main alternating current voltage
and must be installed according to norms valid in the state of application. Connection
according to the details in this direction. Installation, connection, setting and servicing
should be installed by qualifi ed electrician staff only, who has learnt these instruction and
functions of the device. This device contains protection against overvoltage peaks and
disturbancies in supply. For correct function of the protection of this device there must
be suitable protections of higher degree (A, B, C) installed in front of them. According
to standards elimination of disturbancies must be ensured. Before installation the main
switch must be in position "OFF" and the device should be de-energized. Don´t install the
device to sources of excessive electro-magnetic interference. By correct installation ensure
ideal air circulation so in case of permanent operation and higher ambient temperature
the maximal operating temperature of the device is not exceeded. For installation and
setting use screw-driver cca 2 mm. The device is fully-electronic - installation should be
carried out according to this fact. Non-problematic function depends also on the way of
transportation, storing and handling. In case of any signs of destruction, deformation,
non-function or missing part, don´t install and claim at your seller.
TER-3
single level
A1-A2
AC/DC 24 - 240V (galvanically unseparated)
(AC 50 - 60 Hz)
max. 2 VA / 1 W
2.5 W
- 15 %; + 10 %
T1 - T1
TER-3A: -30 °C .. 10 °C (-22 °F .. 50 °F)
TER-3B: 0 °C .. 40 °C (32 °F .. 104 °F)
TER-3C: 30 °C .. 70 °C (86 °F .. 158 °F)
TER-3D: 0 °C .. 60 °C (32 °F .. 140 °F)
TER-3G: 0 °C .. 60 °C (32 °F .. 140 °F)
TER-3H: -15 °C .. 45 °C (5 °F .. 113 °F)
ajustable in range 0.5 .. 5 °C (0.9 .. 9 °F)
fl ashing red LED
5 %
0.5 °C (0.9 °F)
< 0.1 % / °C (°F)
1x NO (AgSnO )
2
16 A / AC1, 10 A / 24 V DC
4000 VA / AC1, 300 W / DC
250 V AC1 / 24 V DC
red LED
7
3x10
0.7x10 5
- 20 .. 55 °C (-4 °F .. 131 °F)
- 30 .. 70 °C (-22 °F .. 158 °F)
2.5 kV (supply - output)
any
DIN rail EN 60715
IP40 from front panel / IP10 terminals
III.
2
solid wire max. 2x 2.5 or 1x 4 (AWG 12)
with sleeve max. 1x 2.5 or 2x 1.5 (AWG 12)
90 x 17.6 x 64 mm (3.5˝ x 0.7˝ x 2.5˝)
64 g (2.3 oz.); TER-3G: 68 g (2.4 oz.)
EN 60730-2-9, EN 61010-1
Function
Un
temperature
15 - 18
heating
LED
15 - 18
cooling
LED
15 - 18
TEST
LED
15 - 18
LED
It is a single but practical thermostat with separated sensor for monitoring temperature.
Device is placed in a switchboard and external sensor senses temperature of required
space, object, or liquid. Supply is not galvanically separated from sensor. Sensor is dou-
ble insulated. Maximal length of delivered sensor is 12 m (39.4´). device has in-built indi-
cation of sensor damage, which means that in case of short-circuit or disconnection red
LED fl ashes. Thanks to adjustable hysteresis, it is advantageous to regulate width of the
range and thus defi ne sensitivity of load switching. Sensed temperature is decreased by
set hysteresis. When installing it is necessary to keep in mind that hysteresis is increased
by temperature gradient between sensor's jacket and thermistor.
Calibration graphics TER-3G
DIP:
temperature:
hysteresis:
Pt100: 0 °C
LED
LED Un
Un
15-18
Thermostat TER-3G uses platinum sensor Pt100. Sensor is connected by 2 wires therefore
there can be an infl uence of wire length resulting in worse concourse of measured tem-
perature on the scale. Thermostat is calibrated in production for sensor length 7 m (23´).
For this length assures the smallest deviation, infl uence of sensors of length 3 m (9.8´)
and 12 m (39.4´) is the same (opposite polarities) and is smaller than 3 °C (37.4 °F). In case
you diff erent length of sensor than is delivered, the concourse of the scale can get worse
considerably. In such case it is possible to calibrate thermostat for a particular sensor. It
is possible to calibrate sensors with length that creates dis-concourse up to approx. 15 °C
(59 °F). Sensors with bigger resistance are calibrates to this limit value.
Thermostat calibration TER-3G
To ensure correct calibration it is necessary to let the thermostat measure the sensor
(which will be used) which is settled on calibration temperature 0 °C / 32 °F (water with
ice) and then it is necessary to strictly observe this calibration procedure.
Before you start with calibration:
- thermostat is connected in a way that it is possible to be switched on (switch button
in supply)
- a sensor is correctly connected and settled on calibration temperature 0 °C / 32 °F
- DIP switch is in position HEAT and TEST
- temperature and hysteresis in the middle of the scale
Calibration:
- energize the thermostat, green control light Un shines, red control light fl ashes once
- temperature and hysteresis set to minimum up to 8 s from switching on
- thermostat self checks setting to minimal value and confi rms it by double fl ashing of
red control light
- temperature and hysteresis can be turned to middle of the scale up to 8 s from
confi rmation
- thermostat is set in the middle
- correctly confi rmed procedure is confi rmed by double long OFF of red control light,
calibration values are recorded and thermostat will use them until another calibration
- incorrect procedure is indicated by one long OFF of red control light
- then the thermostat switches into normal mode - meaning relay switches
2 / 2
hysteresis
]
COOL HEAT
RUN TEST
]
COOL HEAT
RUN TEST
]
COOL HEAT
RUN TEST
]
short-circuit or sensor
disconnection
0 s 8 s 20 s