Intertec Data Systems TC DB User manual

Operating Instructions
Temperature Controller TC DB
HOM148163467Ien-4 • 17/05/2023

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Page 2 / 7 HOM148163467Ien-4
INTERTEC-Hess GmbH · Raffineriestr. 8 · 93333 Neustadt/Donau · Germany · [phone] · [email protected]
Table of contents
1 Use........................................................................................................................................................................... 3
2 Special conditions for safe use ............................................................................................................................ 3
3 Explanation of symbols for warnings and signal words .................................................................................... 3
4 Installation Instructions......................................................................................................................................... 4
5 Device Description ................................................................................................................................................. 4
6 Technical Data ........................................................................................................................................................ 4
7 Installation .............................................................................................................................................................. 4
8 Connection.............................................................................................................................................................. 5
9 Test software and setup software ........................................................................................................................ 5
10 Maintenance............................................................................................................................................................ 5
11 Troubleshooting ..................................................................................................................................................... 6
12 Deinstallation ......................................................................................................................................................... 6
13 Disposal .................................................................................................................................................................. 6
14 Certificate of Conformity ....................................................................................................................................... 6
15 Further information and service ........................................................................................................................... 6

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Operating Instructions Temperature Controller TC DB
HOM148163467Ien-4 Page 3 / 7
INTERTEC-Hess GmbH · Raffineriestr. 8 · 93333 Neustadt/Donau · Germany · [phone] · [email protected]
1 Use
The digital temperature controller TC DB is
manufactured according to Directive INMETRO No. 115,
of March 21st, 2022 and is intended, among other
things, for controlling the temperature of enclosures,
cabinets or heat trace cables.
The TC DB is delivered with the index "J" and can be
switched together on site with the heating source to be
regulated. It is equipped with an external sensor -index
"E"- and with the HI version can be provided with an
additional sensor connection for controlling the heating
source.
The temperature controller approved in Ex zone 1 and 2
for device categories G/D, in temperature class T4.
2 Special conditions for safe use
1. Each temperature regulator shall be provided on the
line side with a short-circuit protection in the form of
a fuse designed to meet the regulator current rating
(max. 3xl b in compliance with ABNT NBR IEC
60127-2-1) or a motor overload trip with
instantaneous short-circuit and thermal release
(adjusted to match the current rating). For very low
rated currents of the temperature regulator, the fuse
with the lowest current rating according to the above
referenced ABNT NBR IEC standard will suffice. The
fuse may be accommodated in the corresponding
power supply unit or it shall be connected separately
on the line side. The fuse voltage rating shall be the
same or greater than the temperature regulator
voltage rating specified. The breaking capacity of the
fuse link shall be the same or greater than the
maximum short-circuit current expected at the place
of installation (normally 1500 A).
2. Should the temperatures at the cable entry of
temperature regulators with terminal box be higher
than 70°C, or higher than 80°C at the wire junction,
this equipment shall carry an additional mark
showing the higher temperatures (label at the cable
entry). In that case only a heat-resistant connecting
cable may be used.
3. If the cable used is not scratch resistant, it shall be
protected against mechanical damage (e.g.
interrupted conduit system with edge protection
moulding).
4. When installed in the dust explosion protection area,
only components with the required certification may
be used.
5. If connection is made in the potentially explosive
area, equipment with an open-ended line shall have
the connecting lead connected in an enclosure that
meets the requirements of an approved type of
protection in compliance with ABNT NBR IEC
60079-14.
6. When using components, due care shall be taken
that they may only be employed within the
temperature range they have been certified for.
3 Explanation of symbols for warnings
and signal words
The safety information warns the user about risks and
provide information on how risks can be avoided.
Safety information can be found at the start of the
chapter before the instructions which may lead to a
hazardous situation. Additional safety information can be
found at the beginning of this manual.
Safety instructions which must be adhered to are
highlighted as follows:
DANGER
DANGER
This sign is warning about an extremely hazardous
situation which, if not heeded, will lead to death or
serious irreversible injury.
WARNING
WARNING
This sign is warning about a hazardous situation which,
if not heeded, may lead to death or serious irreversible
injury.
CAUTION
NOTICE
This sign is warning about a hazardous situation which,
if not heeded, may lead to slight, reversible injury.

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Operating Instructions Temperature Controller TC DB
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INTERTEC-Hess GmbH · Raffineriestr. 8 · 93333 Neustadt/Donau · Germany · [phone] · [email protected]
NOTICE
NOTE
It is essential to pay attention to this safety advice as you
may otherwise incur material damage.
INFO
Important notes and useful additional information.
4 Installation Instructions
INFO
The device may only be connected up and secured by a
trained person, taking into account the "rated voltage"
and "rated current" specified on the nameplate.
For mounting in hazardous dust areas, certified
components must be used. The connecting cables must
have a fixed installation and must be protected
mechanically.
NOTICE
Only heat-resistant connecting cables may be used.
5 Device Description
The RS 485 interface allows the interconnection of
devices in field bus networks and parameterization at a
PC via the Modbus RTU protocol. The set temperature is
adjustable in 1°C increments.
The device has a two-colour LED light on the side for
determining the status visually.
The digital temperature controller has three analogue
inputs that can each be used as an actual value
encoder:
• An external intrinsically safe KTY temperature
sensor for measuring and controlling the temperature
• An internal temperature sensor for monitoring the
housing
• Optional: The NTC sensor of the heating coil for the
electronic temperature limit
6 Technical Data
Rated voltage max. 250 V AC
Permitted operating voltage max. 275 V AC
Rated current (in compliance
with VDE 0298)
max. 10 A
Ambient temperature - 50 to + 80 °C
Operating temperature at
nominal operation
- 25 to + 80 °C
Protection class IP66
Installation position any position
Switching capacity 10 A
Minimum load 30 W/ 60 W
Cable gland 2 x M20 / optional 3 x
M20
Material Seawater-proof
aluminium, powder-
coated
Dimensions 57 x 125 x 80 mm
Mean Time Before Failure 50.000 h
Storage temperature - 50 to + 80 °C
INFO
You will find the precise technical data for your
instrument on the label.
Rated voltage/Operating voltage
Illustration1: Example: TC D label
7 Installation
NOTICE
Risk of overheating
The controller housing may only be mounted at a place
where 80°C is not exceeded.
If higher temperatures should be controlled, the
intrinsically safe external sensors have to be attached to
the place to be controlled and the controller housing
outside the heated area.

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Operating Instructions Temperature Controller TC DB
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INTERTEC-Hess GmbH · Raffineriestr. 8 · 93333 Neustadt/Donau · Germany · [phone] · [email protected]
At higher temperatures, the controller must no longer be
impinged with full power.
Room
temperature
up to
Imax 120 V AC 230 V AC
+40°C 10 A 1200 W 2300 W
+50°C 8.7 A 1050 W 2000 W
+65°C 6.5 A 780 W 1500 W
+80°C 4.4 A 530 W 1000 W
Imin = 250 mA
At temperatures below -25°C, the controller switches
over to the "cold-start mode". At the same time, the
output switches to 100% power until the circuit board
exceeds the temperature of -20°C. Thus, in very cold
climatic conditions, it is necessary to ensure that the
connected heating also heats the controller. If a
permanent operating temperature greater than -25°C
cannot be reached, the controller must be heated
separately.
8 Connection
INFO
The device may only be connected up and secured by a
trained person, taking into account the "rated voltage"
and "rated current" specified on the nameplate.
Each heater with integrated TS thermostat must be
preceded by a 10 A fuse or a motor protection switch
with short-circuit and thermal quick release (set to 10 A)
as short-circuit protection. When using a heater without
integrated thermostat, the fuse protection can be
selected according to the cross-section of the supply
cable.
Additional equipotential bonding is required. The
terminal block designated for this purpose has the
ground sign.
1 2 3 4 5 6 7 8 9 10 11 12 13
L
N
PE
NTC
RS 485
F1
TC DIGITAL
CP...THERM...HI
external sensor
br=brown bl=blue ye/gn=yellow/green bk=black gr=grey
bl br gn/ye gr bk
+
A
B
Ground
Illustration2: Temperature controller TC digital circuit diagram
9 Test software and setup software
If you have ordered the "SMART HEATER software" as
well, then please read the "TC SMART Modbus
Software" operating instructions for individually setting
the parameters and recording the data.
10 Maintenance
The design of the device does not require any
maintenance.
Functional and safety test intervals can be freely
selected by the operator in accordance with the
applicable regulations.
Repairs may only be carried out by the manufacturer in
the factory.
All components have to be kept clean and free of dust
and harmful substances that could lead to excessive
temperature rise.
In the dust Ex area, the applicable requirements of
ABNT NBR IEC 60079-17 and ABNT NBR IEC
60079-19 must be complied with.

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Operating Instructions Temperature Controller TC DB
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INTERTEC-Hess GmbH · Raffineriestr. 8 · 93333 Neustadt/Donau · Germany · [phone] · [email protected]
11 Troubleshooting
In the case of failure of the temperature controller or
performance fluctuations, please check the operating
conditions. See also: Installation [}Page4].
If the device is defective, it must be removed and sent
back to the manufacturer for repair.
12 Deinstallation
Disassembly may only be carried out by a trained
person.
DANGER
Risk of fatal injury from electric current!
If contact is made with live components, there is the risk
of fatal injury.
For this reason, switch off the voltage supply, secure
against being switched on again and check that no more
voltage is present.
Disconnect connection line from the clamps and from the
connection socket, disconnect device from bracket and
remove it.
13 Disposal
Disposal according to WEEE 2012/19/EU
Disassemble the components of the product, taking the
applicable local labour protection and environmental
regulations into consideration and make sure that the
components are recycled:
• Scrap metal
• Send plastic elements to recycling
• Sort other components according to their material
properties and dispose of them.
Or return your old device to us for professional disposal.
For further information, please contact INTERTEC-Hess
GmbH at [phone].
NOTICE
Environmental damage may be caused if
disposed of incorrectly!
Electrical scrap and electronics components are subject
to hazardous waste treatment and must only be
disposed of by certified specialists!
The local community authorities or specialist waste
disposal companies can provide information on
environmentally friendly disposal.
14 Certificate of Conformity
The manufacturer, INTERTEC-Hess GmbH,
Raffineriestrasse 8, 93333 Neustadt/Donau, Germany,
hereby declares in sole responsibility that the product
Product / Type designation:
TC D
complies with the provisions of the following directives
INMETRO No. 115, of March 21st, 2022 complies with
the following standards, harmonized standards, where
appropriate and/or standardized documents:
ABNT NBR IEC 60079-0
ABNT NBR IEC 60079-1
ABNT NBR IEC 60079-11
ABNT NBR IEC 60079-18
ABNT NBR IEC 60079-31
ABNT NBR IEC 60079-7
ABNT NBR IEC 60529
IEC 61000-6-4
Designation:
NCC 17.0103 X
II 2 D Ex tD A21 IP66 T130°C
Ex mb IIC T4 Gb
Neustadt, May 17th, 2023
Dipl.-Ing. Martin Hess, Managing Director
15 Further information and service
If the information contained in this instruction manual
should not be sufficient in any way, then INTERTEC
would be glad to be at your disposal to provide further
information and service.
Please contact your INTERTEC contact person or
directly contact

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Operating Instructions Temperature Controller TC DB
HOM148163467Ien-4 Page 7 / 7
INTERTEC-Hess GmbH · Raffineriestr. 8 · 93333 Neustadt/Donau · Germany · [phone] · [email protected]
INTERTEC-Hess GmbH
Raffineriestr. 8
93333 Neustadt/Donau
Germany
Phone: [phone]
e-mail: [email protected]
Website: www.intertec.info
Warranty
The legally defined warranties and warranty periods of
24 months are applicable to our scope of supply and
services.
You will find more detailed information in the
manufacturer warranty from INTERTEC for heating
systems and accessories.
These instructions do not claim to take all
designs, options or changes into
consideration, even in association with
installation, operation or maintenance.
INTERTEC does not accept responsibility
for providing information about changes
made retrospectively.