ELKO ep TER-4 Double Thermostat Owner’s Manual
Technical parameters
Function
Each thermostat has its own sensor, rough and fine temperature setting, selectable hysteresis
and its separated output contact.
TER-4
The desired temperature is set as the sum value of the selected rough and fine temperature
setting.
4
A1-A2
Number of functions:
Supply terminals:
Supply voltage:
Example: Required temperature ................ +25 °C (77 °F)
Rough setting ................................ +20 °C (68 °F)
Fine setting ....................................... +5 °C (41 °F)
AC/DC 24 – 240 V (AC 50-60 Hz)
galvanically isolated
3 VA/1 W
Consumption (max.):
The device monitors the fault state of each sensor (short circuit or interruption) - if a sensor mal-
function occurs, the yellow LED lights up and the corresponding red LED flashes. The respective
output contact is opened in the event of a failure.
−15 %; +10 %
Supply voltage tolerance:
Measuring circuit
T1-T1 & T2-T2
Measuring terminals:
The device can also be operated as a simple thermostat (with one sensor). In this case, it is nece-
ssary to connect a 10 kΩ resistor instead of a sensor to the unused input (included in the product
package).
−40 .. −25 °C (−40 °F .. –13 °F)
+35 .. +50 °C (95 °F .. 122 °F)
+50 .. +65 °C (122 °F .. 149 °F)
+65 .. +80 °C (149 °F .. 176 °F)
+80 .. +95 °C (176 °F .. 203 °F)
+95 .. +110 °C (203 °F .. 230 °F)
Rough temperature ranges:
(selectable by rotary switch)
−25 .. −10 °C (−13 °F .. 14 °F)
−10 .. +5 °C (14 °F .. 41 °F)
+ 5 .. +20 °C (41 °F .. 68 °F)
+20 .. +35 °C (68 °F .. 95 °F)
Independent function of thermostats
The device acts as two separate simple thermostats.
0 – 15 °C, within the selected range
Fine temperature setting:
Hysteresis (sensitivity) for T1:
Hysteresis (sensitivity) for T2:
Sensor:
Un
optional, 0.5 or 2.5 °C (by DIP switch)
optional, 0.5 or 2.5 °C (by DIP switch)
thermistor NTC 12 kΩ/25 °C
T1
H1
yellow LED lights up + red LED flashing
Sensor fault indication:
Accuracy
LED OUT1
5 %
Setting accuracy (mech.):
Temperature dependence:
Output
+($7
15-18
< 0.1 %/°C (°F)
&22/
LED OUT1
2× changeover/SPDT (AgNi)
16 A/AC1
15-18
Output contact:
Current rating:
T2
4000 VA/AC1, 384 W/DC1
30 A/< 3 s
Breaking capacity:
Inrush current:
H2
250 V AC/24 V DC
2.4 W
Switching voltage:
Power dissipation (max.):
Mechanical life:
LED OUT2
10.000.000 ops.
100.000 ops.
+($7
25-28
Electrical life (AC1):
Other information
Operating temperature:
Storage temperature:
Dielectric strength:
supply – output
&22/
LED OUT2
25-28
−20 .. +55 °C (−4 °F .. 131 °F)
−30 .. +70 °C (−22 °F .. 158 °F)
Dependent function of thermostats
Thermostats are connected „in series“ - i.e. thermostat T1 is blocked by thermostat T2.
This can be used e.g. so that thermostat T1 is operational and thermostat T2 is interloc-
AC 4 kV
AC 4 kV
output 1 – output 2
Operating position:
Mounting:
king (emergency – e.g. when the device overheats).
any
DIN rail EN 60715
IP40 front panel / IP20 terminals
Protection degree:
Overvoltage category:
Pollution degree:
Cross-wire section – solid/
stranded with ferrule (mm2):
Dimensions:
III.
2
max. 1× 2.5, 2× 1.5/
max. 1× 2.5 (AWG 14)
90 × 52 × 66 mm (3.5˝ × 2.05˝ × 2.6˝)
147 g (5.2 oz)
Weight:
VWDWHꢀ7ꢁ
VWDWHꢀ7ꢂ
EN 60255-1, EN 60255-26, EN 60255-27, EN 60947-1
Standards:
Warning
This device is constructed for connection in 1-phase network AC/DC 24 – 240 V and must
be installed according to norms valid in the state of an application. Installation, conne-
ction, setting and servicing must be carried out by qualified electrician staꢀ only, which
have perfectly understood the instructions and functions of the device.
+($7
&22/
VWDWHꢀ7ꢁ
This device contains protection against overvoltage peaks and disturbing impulses in
the power supply network. For the correct function of the protection of this device, the-
re must be suitable protections of higher degrees (A,B,C) installed in front of them and
according to the standards, interference of switching devices must be securely elimi-
nated (contactors, motors, inductive loads, etc.). Before installation, make sure that the
device is de-energized and the main switch is in the “OFF” position.
VWDWHꢀ7ꢂ
Don‘t install the device to sources of excessive electromagnetic interference. Ensure co-
rrect installation by perfect air circulation so that during continuous operation and a
higher ambient temperature, the device does not exceed the maximum allowed opera-
ting temperature. For installation and setting use a screwdriver with a width of approx 2
mm. Keep in mind that this is a fully electronic device and approach accordingly with the
installation. Non-problematic function of the device is also dependent on the previous
method of transportation, storage, and handling. In case of any signs of damage, defor-
mation, malfunction, or missing parts, don‘t install this device and claim it at the dealer.
The product must be treated as electronic waste at the end of its life.
Graphs legend:
T1(2) - set thermostats temperature
H1(2) - thermostats hysteresis
2 / 2
| General | Details |
|---|---|
| Name | ELKO ep TER-4 Double Thermostat Owner’s Manual |
| Make | ELKO ep |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.63 MB |
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