eltherm ELTC-14P User manual

www.eltherm.com
P.: [phone]
F.: [phone]
[email protected]
eltherm GmbH
Ernst-Heinkel-Strasse 6 -10
57299 Burbach, Germany
BU-112
Revision 3
ELTC-14P & ELTC-24P
Ambient temperature controller up to 99°C
for wall- or DIN rail mounting
OPERATION-
MANUAL

2
CONTENT
INTRODUCTION 3
RECEIPT OF GOODS 3
SCOPE OF DELIVERY 3
STORAGE 3
DISPOSAL 3
FUNCTIONAL DESCRIPTION & TECHNICAL DATA 4
FUNCTIONAL DESCRIPTION 4
TECHNICAL DATA 4
Dimensions 5
CONNECTION PLAN 6
SPECIAL NOTES 7
Installation and safety information 7
Notes on commissioning 7
Declaration of Conformity 7
OPERATION 8
OPERATING PANEL 8
Selecting and changing parameters 8
Protection against unauthorized operation 8
Error messages 8
Special displays 8
PARAMETERS AND THEIR MEANING 9
PARAMETER CONTENTS 9
HOUSING CONSTRUCTION ELTC-14P 11
DOWNLOADS 12
NOTES 12
RESERVATION
Subject to technical changes. Changes, errors and misprints do not constitute grounds for claims for damages.
For safety components and systems, the assembly instructions as well as the relevant and currently valid standards and regulations must be
observed.
eltherm GmbH
Ernst-Heinkel-Str. 6-10
57299 Burbach
P.: [phone]
F.: [phone]
[email protected]
Document:
8643050620011
BU-112
Operation manual
ELTC-14P & ELTC-24P
ambient temperature controller
up to 99°C for wall- or DIN rail mounting
Author: Peter Schmidt Date: 29.01.2019
Revision: 3Julian Engel Date: 23.10.2023
For proper and safe use of the ELTC-14P and ELTC-24P tem-
perature controller, please follow these instructions.
Please keep these instructions for future reference (e.g. in
the system documentation).

3
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ELTC-24P
ELTC-14P
Contact us: [phone] • [e-mail]
Operation manual
ELTC-14P & ELTC-24P
BU-112
Revision 3
Particularly important points in these instructions are indicated by the following symbols:
RECEIPT OF GOODS
Upon receipt of the goods, check the controllers and acces-
sories and compare the information on the type plate with
the information on the delivery bill to ensure that the correct
material has been delivered.
STORAGE
DISPOSAL
SCOPE OF DELIVERY
The scope of delivery of the article includes:
INTRODUCTION
Display conventions
ATTENTION
indicates a potentially dangerous situation.
If not avoided, there is a risk of damage or malfunction.
DANGER
indicates an extremely dangerous situation.
If it is not avoided, there is a danger to life or at least a high risk of
serious injury.
WARNING
indicates a potentially dangerous situation.
If it is not avoided, there is a risk of injury or at least a high risk of
damage.
NOTE
important information and instructions for safe, eective and envi-
ronmentally sound use.
i
NOTE
Storage should be in a dry place at an ambient temperature
of -30 °C to 60 °C.
i
NOTE
The WEEE logo (shown above) indicates that this product
should not be disposed of with other waste.
For more information on disposal and
and recovery of waste electrical and electronic equipment
For more information on the disposal and recovery of waste
electrical and electronic equipment (WEEE) and collection
points, please contact your local waste management com-
pany or the manufacturer from whom you purchased the
product.
i
The electronic temperature controller of the ELTC series is a controller with digital display for wall mounting (ELTC-14P) or DIN
rail mounting (ELTC-24P). The wall-mounted ELTC-14P is equipped with cable glands and terminals for electrical connection.
The device is supplied in a splash-proof plastic housing with a transparent housing cover including accessories.
The temperature measured with a Pt100 temperature sensor is processed and displayed by a microcontroller.
After an actual value/setpoint comparison, the output relays are then switched according to the conguration.
The temperature controller is also suitable for connection of temperature sensors type ELTF-PTEx in hazardous areas.
Qty. Item
1 Pcs. Temperature controller ELTC-24P
1 Pcs. Operation manual DE & EN
Qty. Item
1 Pcs. Temperature controller ELTC-14P
1 Pcs. Operation manual DE & EN
2 Pcs. M25x1,5 cable gland
2 Pcs. M25 O-ring
2 Pcs. M25 2x6mm Multi-seal insert
1 Pcs. M25 locknut
2 Pcs. M20x1,5 cable gland
2 Pcs. M20 O-ring
1 Pcs. M20 locknut
1 Pcs. M12x1,5 cable gland
1 Pcs. M12 O-ring
1 Pcs. Terminal cover
2 Pcs. Redetachable rivets

4
FUNCTIONAL DESCRIPTION & TECHNICAL DATA
TECHNICAL DATA
FUNCTIONAL DESCRIPTION
Controller type ELTC-14P (Art. 0620010) ELTC-24P (Art. 0620011)
Nominal voltage 90 to 260 VAC, 50/60 Hz 90 to 260 VAC, 50/60 Hz
Power consumption max. 5 W max. 5 W
Relay K1 20 A res., max. 250 VAC 20 A res., max. 250 VAC
Relay K2 (alarm) 8 A res. / max. 250 VAC (changeover contact) 8 A res. / max. 250 VAC (changeover contact)
Operating temperature -25 to +55 °C -25 to +55 °C
Storage temperature -30 to +60 °C -30 to +60 °C
Setting range -60 to +99 °C, congurable -60 to +99 °C, congurable
Display range -80 to +410 °C -80 to +410 °C
Accuracy ± 1K, ± 2 Digits (-50 to 400 °C) ± 1K, ± 2 Digits (-50 to 400 °C)
Display LED, red, 11 mm LED, red, 11 mm
Sensor connection Pt100 2-wire & Pt100 3-wire Pt100 2-wire & Pt100 3-wire
Connection terminals
Sensor: 0.5...1.5mm² copper wire,
stripping length 9…10mm
Others: 0.1...2.5mm² copper solid,
stripping length 5...6mm
Sensor: 0.2...1.5mm² copper wire,
stripping length 9…10mm
Others: 0.1...2.5mm² copper solid,
stripping length 5...6mm
Housing material Polycarbonate, grey; clear lid ABS, black
Housing dimension 130 x 130 x 75 mm (WxHxD) 153 x 93 x 59 mm (WxHxD)
Protection class IP 65 IP 20
Type of mounting Wall mounting DIN rail TS
Weight approx. 0.3 kg approx. 0.5 kg
If the actual temperature (P01) falls below the control setpoint (P10 minus hysteresis P11), relay K1 will switch heating circuit ON.
The integrated alarm relay provides error messaging (via changeover contact) to indicate over-/ under temperature, sensor-
interrupt or short circuit. During sensor malfunctions, the relay K1 switches continuously on or off, depending on configuration.
Mode 2-Point control (Parameter P40=2)
The load contact is open at ambient temperatures above the set set point (P10). At ambient temperatures below the entered
minimum ambient temperature (P41) + 1/6 the difference between set point and minimum ambient temperature, the load
contact is permanently switched on. At ambient temperatures between, the controller runs in clock mode. As basic display
the power level P05 will be used. The time unit is defined via P42, with this also the parameters P50..P56 will be included in the
calculation in the refined operating mode. In operation the TU is continuously calculated and adapted to the current ambient
conditions.
Mode Proportional regulation (Parameter P40=3)

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P
59 mm
153 mm
93 mm
P
ELTC-14P
www.eltherm.com
eltherm
N N N L L L PE PE PE
Alarm PT100
75 mm
130 mm
130 mm
70 mm
70 mm
115 mm
115 mm
ELTC-24P
ELTC-14P
Contact us: [phone] • [e-mail]
Operation manual
ELTC-14P & ELTC-24P
BU-112
Revision 3
Dimensions

6
ELTC-14P
ELTC-24P
51 52 53
ELTC-24P
ELTC-14P
CONNECTION PLAN
Terminal Connection
X1.1
X1.2 Common connection neutral (N)
X1.3
X2.1 Mains supply input (L)
X2.2 Heater connection A
X2.3 Heater connection B
X3.1
X3.2 Common connection protective earth
(PE)
X3.3
X4.1 Alarm relay COM
X4.2 Alarm relay NC
X4.3 Alarm relay NO
X5.1 Connection Pt100 (white)
X5.2 Connection Pt100 (red)
X5.3 Connection Pt100 3-wire compensation
(not necessary with 2-wire)
Terminal Connection
X1.1
X1.2 Common connection neutral (N)
X1.3
X2.1 Mains supply input (L)
X2.2 Heater connection A
X2.3 Heater connection B
X3.1
X3.2 Common connection protective earth
(PE)
X3.3
X4.1 Alarm relay COM
X4.2 Alarm relay NC
X4.3 Alarm relay NO
X5.53 Connection Pt100 (white)
X5.52 Connection Pt100 (red)
X5.51 Connection Pt100 3-wire compensation
(not necessary with 2-wire)

7
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Contact us: [phone] • [e-mail]
Operation manual
ELTC-14P & ELTC-24P
BU-112
Revision 3
SPECIAL NOTES
Installation and safety information
ATTENTION
• Electrical connection / commissioning must be carried
out by a qualied electrician.
• The relevant local safety regulations must be observed.
Observe the connection values according to the type
plate and these instructions.
• When selecting the installation site, observe the IP
protection class and permissible operating temperature.
Locations protected from direct precipitation and sunlight
are advantageous.
• Operation only with closed cover, tightened screw con-
nections / blind plugs and installed seals.
Avoid damage, tensile stress, kinking and torsion of the
connected lines.
• The sensor lines must be shielded when extended, the
shielding must be grounded on one side near the cont-
roller. The cable must not be laid parallel to lines carrying
mains voltage. The total line resistance must not exceed
10 ohms.
• Make sure that the connection terminals have the correct
size and dimensioning to accommodate the conductors.
DANGER
A residual current circuit breaker is required for each circuit.
DANGER
Before starting work on heating or connection lines or ter-
minals, make sure that the corresponding circuit is switched
o and secured against unintentional reconnection
ATTENTION
• Persons involved in installations and testing of electrical
trace heating systems should be appropriately qualied to
perform the required actions
• Electrical heat-tracing systems should be installed under
the direction of a qualied electrician who has completed
supplemental training on electrical heat-tracing systems
• Critical work, such as making connections or terminations,
should be performed only by qualied personnel
NOTE
After switching on the controller, the display shows the
current actual value.
i
Declaration of Conformity
We declare that the described product fully complies with Di-
rectives 2014/35/EU, 2014/30/EU and 2011/65/EU. If you need
a detailed declaration of conformity, please contact us.
ATTENTION
The settings of the controller must be checked during
commissioning.
NOTE
The temperature control device and the temperature sen-
sor(s) should be calibrated against the factory setting during
commissioning if necessary.
i
Notes on commissioning

8
P
1 42 3
OPERATION
After switching on, the type number ("14P" resp. "24P") and
software version of the device appear and after approx. three
seconds the power level. If the "P" key is pressed briey, the
"Set" display appears and then the setpoint value is displayed
with an automatic return after 5 seconds. If the "P" key is pres-
sed for approx. 3 seconds, the parameter list "P10" is display-
ed. If the "P" key is held down for a further 3 seconds, " dC" for
degrees Celsius or " dF" for degrees Fahrenheit is displayed.
Protection against unauthorized operation
The control setpoints can basically be set without restriction,
provided they are not limited by "P13/P14". All other parame-
ters are protected by a code.
If a code is required, the display shows "C00". Use the arrow
keys " / " to set the required code number "C42" and
conrm with "P".
After approx. 1 minute without pressing any key, the code is
requested again.
Autoscrolling
If you hold down the arrow keys " / ", the values continue
to scroll automatically.
Error messages
In the event of an error, the display shows an error code. Sen-
sor errors are displayed with a delay of approx. 20 seconds.
Error codes
• E01 = Sensor short circuit or temperature < -60°C
• E02 = Sensor interruption or temperature > 410°C
• E03 = 3rd wire is missing or R ≥ 10Ω
• E07 = Error relay K1 open
• E08 = Error relay K1 short circuit
• E09 = Internal error
• C00 = Protected parameters, code entry required
In case of errors E07...E09 further operation of the device is
prevented.
Keys
" " = Increase values
" " = Decrease values
"P" = Programming key
LEDs in Display
"1" = Control relay ON
"2" = 2-Point control
"3" = Proportional control
"4" = Alarm relay activated (=switched OFF)
A ashing of the LEDs indicates a function delay.
OPERATING PANEL
Selecting and changing parameters
To reach the parameter list, "P" must be pressed for approx. 3
seconds until "P10" appears in the display.
Press„P"for 3 seconds
Parameter no. appears
Press„ /“
Select parameters
Press„P“
Parameter value appears
Press„ /“
Change parameters
Press„P“
New value saved, back to parameter no.
Press„ /“ till„P01“ or T > 1 minute
Exit input mode
Special displays
• ON = Continuous operation ON
• OFF = Continuous operation OFF
• 2P = 2-point operation

9
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Contact us: [phone] • [e-mail]
Operation manual
ELTC-14P & ELTC-24P
BU-112
Revision 3
PARAMETERS AND THEIR MEANING
Parameter Meaning and range
P01
Actual value display only
P05
Power level range 0,17... 83,100; display only
P06
Time unit regulation display only
P10
Control setpoint range P13...P14, [5°C]
P11
Switching hysteresis range 2...10K, [2K]
P12
Minimum standstill
time (relay K1)
0..30 min., [0.0 min],
resolution 0.1 min.
P13
Maximum adjustable
setpoint
range P14...+99°C, [+30°C]
P14
Smallest adjustable
setpoint
range -60°C...P13, [0°C]
P20
Sensor type
0 = Pt100, 3-wire, °C (resolution 1K)
[1] = Pt100, 2-wire, °C (resolution 1K)
2 = Pt100, 3-wire, °F (resolution 2°F)
3 = Pt100, 2-wire, °F (resolution 2°F)
P21
Sensor correction -30...+10K, [0]
P34
Alarm relay mode
(Relay K2)
0 = Alarm active
1 = Alarm passive
2 = Alarm active,
Heater ON in case of error
[3] = Alarm passive,
Heater ON in case of error
P40
Operating mode
0 = permanent OFF
1 = permanent ON
2 = 2-Point control ( with P11)
[3] = proportional regulation
P41
Minimum ambient
temperature
range -70 °C to (P10 - 6 K),
max. P10 - 6 K; [-30 °C]
P42
Cooling times
[0] = rened parameters P50 to P56
1= TU 30 s
2 = TU 60 s
3 = TU 120 s
P43
Power correction 65 to 130 %, 5 %-Steps; [100 %]
In [...] the factory settings are indicated.
Parameter Meaning and range
P50
Material selection
[1] = Metal
2 = Plastic
P51
Insulation material 1 to 15, [6] (see table below)
P52
Insulation thickness 1 to 59, [6] (see table page 10)
P53
Medium selection 1 to 5, [2] (see table page 10)
P54
Geometry
[0] = Pipe
1 = Vessel
P55
Nominal pipe diameter
metal
1 to 32, [11] (see table page 10)
P56
Nominal pipe diameter
plastic
1 to 17, [3] (see table page 10)
PARAMETER CONTENTS
No. Insulation material
Heat transfer
resistance
in W/(m²xK)
1 Calcium silicate, low density 0,08
2 Calcium silicate structural 0,21
3 Elastomer foam 0,033
4 Elastomer foam high temp 0,038
5 Foam glass 0,038
[6] Foamglass ASTM C552-88 0,052
7 Mineral ber 035 0,035
8 Mineral ber 040 0,040
9 Mineral ber ASTM C547-77 0,035
10 Mineral ber ASTM C553-70 0,040
11 Mineral ber BS3958 0,036
12 Perlite expanded ASTM C610-85 0,067
13 Perlite expanded 0,067
14 Polyisocyanurate 0,027
15 Polyurethane foam rigid 0,023
In [...] the factory settings are indicated.
P51: Insulation material @20 °C

10
No. Material thickness
1 4,76 mm / 3/16"
2 5 mm / 1/5“
3 6,25 mm / 1/4“
4 7 mm
5 8 mm / 5/16“
[6] 9 mm / 5/16“
7 9,5 mm / 3/8“
8 10 mm / 2/5“
9 11 mm / 7/16“
10 12 mm
11 12,7 mm / 1/2“
12 13 mm
13 14 mm
14 14,3 mm / 9/16“
15 15 mm / 3/5“
P52: Insulation thickness
No. Material thickness
16 16 mm / 5/8“
17 17 mm
18 17,5 mm / 11/16“
19 18 mm
20 19 mm / 3/4“
21 20 mm
22 20,32 mm / 4/5“
23 22 mm / 7/8“
24 24 mm / 15/16“
25 25 mm / 1“
26 30 mm
27 32 mm / 1 ¼“
28 35 mm
29 38 mm / 1 ½“
30 40 mm
No. Material thickness
31 45 mm / 1 ¾“
32 50 mm
33 51 mm / 2“
34 57 mm / 2 ¼”
35 60 mm
36 64 mm / 2 ½”
37 70 mm / 2 ¾”
38 76 mm / 3”
39 83 mm / 3 ¼”
40 80 mm
41 89 mm / 3 ½“
42 90 mm
43 95 mm / 3 ¾“
44 100 mm / 4“
45 110 mm
No. Nominal diameter
1 10 mm / 3/8“
2 12 mm / 3/8+“
[3] 15 mm / ½“
4 20 mm / ¾“
5 25mm / 1“
6 32 mm / 1 ¼“
7 40 mm / 1 ½“
8 50 mm / 2“
9 65 mm / 2 ½“
P56: Nominal pipe diameter, plastic
No. Nominal diameter
10 75 mm / 2 7/8“
11 100 mm / 4“
12 125 mm / 5“
13 150 mm / 6“
14 200 mm / 8“
15 250 mm / 10“
16 300 mm / 12“
17 400 mm / 16“
No. Nominal diameter
1 3 mm / 1/8“
2 6 mm / 1/4“
3 10 mm / 3/8“
4 15 mm / ½“
5 20 mm / ¾“
6 25mm / 1“
7 32 mm / 1 ¼“
8 40 mm / 1 ½“
9 50 mm / 2“
10 65 mm / 2 ½“
[11] 80 mm / 3“
12 90 mm / 3 ½“
13 100 mm / 4“
14 125 mm / 5“
15 150 mm / 6“
16 175 mm / 7“
P55: Nominal pipe diameter, metal
No. Nominal diameter
17 200 mm / 8“
18 225 mm / 9“
19 250 mm / 10“
20 300 mm / 12“
21 350 mm / 14“
22 400 mm / 16“
23 450 mm / 18“
24 500 mm / 20“
25 550 mm / 22“
26 600 mm / 24“
27 650 mm / 26“
28 700 mm / 28“
29 750 mm / 30“
30 800 mm / 32“
31 850 mm / 34“
32 900mm / 36“
No. Medium
1 water, brine, caustic soda
[2] water based liquids, acids, bases
3 liquid hydrocarbon, vegetable oils
4 gases
5 others
P53: Medium selection
No. Material thickness
46 114 mm / 4 ½“
47 120 mm
48 127 mm / 5“
49 130 mm
50 140 mm / 5 ½“
51 150 mm
52 153 mm / 6“
53 160 mm
54 165 mm / 6 ½“
55 170 mm
56 178 mm / 7”
57 180 mm
58 190 mm / 7 ½“
59 200 mm / 8”