Quick-Ohm QC-PC-CO-CH1 User manual

Quick-Ohm Küpper & Co. GmbH
Components –Heat Management –Industry Ceramics
www.quick-ohm.de - 1 - User Manual English Controller QC-PC-CO-CH1 20181122
Peltier Controller QC-PC-CO-CH1
User Manual
Temperature Controller for Automatic Heating and Cooling
Applications
Technical specifications:
-Voltage supply: 12….24VDC/<45mA
-Separate driver supply: 3…48VDC
-Maximal Peltier current: 20A
-Interface Display connect: 3,5mm Stereo-Klinke
-Temperature range: -40°C - +100°C
-Sensitivity: 0,1 °C
-Accuracy +/- 1 K
-P-control characteristic
-Control parameter for heating and cooling range
separately adjustable
-Maximal nominal value limit adjustable
-Minimal nominal value limit adjustable
-Maximal output voltage adjustable
-Minimal output voltage adjustable
-Detection of sensorial burst and short circuit
1 Proper application of the controller QC-PC-CO-CH1
The Peltier controller QC-PC-CO-CH1 has been developed to actuate Peltier elements. The controller
undertakes the control of the temperature in a tempering setup. The temperature range of the controller
serves from -40°C to +100°C, while the controller triggers the Peltier element automatically for a
suitable heating or cooling. The control parameters are programmable by the display QC-PC-D-CH1.
The compact construction of the QC-PC-CO-CH1 enables the integration of the controller into a
controlling setup, without a significant disturbance of the overall design. The temperature
specification either has to be implemented by an external connectable potentiometer or a
programmable fixed value. The user has the ability to determine the supply voltage of the controller
Delivery content:
1 Peltier controller QC-PC-CO-CH1
1 Temperature sensor NTC 10KΩ (β=3977K)
1 Potentiometer 10KΩ
1 User manual

Quick-Ohm Küpper & Co. GmbH
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and the driver supply of the Peltier element separately. Thereby it is possible to trigger optimally
nearby all Peltier elements that are available on the market. Furthermore the output supply can be
dedicated a minimal and maximal value, while these values can be set for heating and cooling
applications differently. Hence with the properties of the Peltier elements is taken into account, that
the generable heating power is a multiple of the cooling power. The compact controller QC-PC-CO-
CH1 is delivered with preconfigured parameters, which allows an immediate installation into the
control without any programming. Please read the user manual thoroughly. If you follow the advice
and descriptions, a Peltier controller will stand by your side, which diverse deployability, compactness
and enormous performance capability is unreached by any other controller.
2 The principle of the Peltier tempering:
The directed current flow through a Peltier element causes plenty of physical processes, which
recognizable effect is the spatial displacement of heat energy. The temperature on one side decreases
while the temperature on the opposite side increases. This allows the planar attachment of a solid
component to heat it up or cool it down purposefully. Compared to conventional gas compressors (e.g.
refrigerators) the Peltier element has many advantages. E.g. a noiseless tempering without any
hazardous materials, without any movable components and freedom from maintenance is possible.
Additionally these devices can be miniaturized in a way that would be unimaginable without the
Peltier element. Fig. 2 shows the setup of such a tempering application that should basically always be
constructed like that.
Here the basic composition, which is indispensable for the work with Peltier elements, is
recognizable. There is an area that should be brought to a certain temperature. This area is
equipped with a temperature sensor. On the other side the area is located where the heat gets
extracted from or the redundant heat energy is led to in case of a heating and cooling
application, respectively. In this second area the temperature is usually not surveilled. To
prevent a collapse of the application induced by an excessive removal or feeding of heat, this
heatsink
Thermal grease
or
thermal foil
etc.
Peltier element
(printed side
above,
respectively
Red-Right)
tempered area
Fig. 2:
Temperature sensor
F

Quick-Ohm Küpper & Co. GmbH
Components –Heat Management –Industry Ceramics
www.quick-ohm.de - 3 - User Manual English Controller QC-PC-CO-CH1 20181122
area is contacted with the environment intensively. That implies that by the usage of a heatsink
the surface gets enlarged multiply to establish the needed contact with the ambience. The size of
this heatsink and the impeccable bonding between Peltier element and heatsink on the one side
and between Peltier element and heating and cooling plate, respectively, on the other are the
basic conditions for the determination of the performance of their setup. If you always focus on
that basic structure, your results will be successful. Please visit the category Know how in the
section of the heat management on our website indicated below to deepen your knowledge.
Here you find tips and information in a comprehensible and visualized layout.
3. The electrical setup:
The wiring of the single components with the controller requires basic knowledge of electrical
engineering and has to be conducted by a qualified person.
To run the controller, a source of direct current voltage is necessary. Sources in the range of 12VDC
to 24VDC are usable. The controller has a separate power input for the supply of the Peltier element
available. The zero potential of both voltage sources is merged on the black wire. Thus, the control
supply and the Peltier supply can either be separated or alternatively connected.
4. Adjusting the control parameter:
Controller
QC-PC-CO-CH1
-+
Supply
voltage
12V … 24V
Peltier element
Temperature sensor
NTC 10KΩ
β = 3977K
Potentiometer 10KΩ
Fig. 3:
White
Poti max
Yellow
Control
Poti-Signal
Green
Poti min
Grey
Sensor
signal
Brown
-PE
Blue
+PE
Black
GND
Red
12..24V
White
+2,5V
Supply voltage Peltier element:
Option1 (one power supply): Jumper to red
Option2 (two power supplies): Jump minus of both power
supplies and lay orange on
plus
Orange
U-PE
3…48
VDC
Attention: After switching off the supply
voltage internal capacities can hold the voltage
for five more minutes. Please make sure that
you don’t tough any connection in the circle
for that time.

Quick-Ohm Küpper & Co. GmbH
Components –Heat Management –Industry Ceramics
www.quick-ohm.de - 4 - User Manual English Controller QC-PC-CO-CH1 20181122
The controller QC-PC-CO-CH1 already holds the default parameters in delivery condition which
allows the usage without any programming. But it is also possible to change the control parameters to
optimize the response characteristics. To adjust these parameters, the controller either has to be
connected with the control unit QC-PC-D-CH1 or a computer. The control unit QC-PC-D-CH1 has a
display, where the control process can be traced at first sight. By an easily understandable menu all
parameters can be adjusted as required. The connection is done by a wire and a 3.5mm jack plug
Important:
The voltage connected at the orange wire must not be above the maximum
voltage of the TEC. This value you can get from our homepage.
100%
Heat parameter
maximum Heating
70%
Heat parameter
minimum heating
20%
Heat parameter
maximum cooling
100%
Heat parameter
minimum cooling
0%
-100%
0%
Heat voltage
Cool voltage
current temperature
Range heating
Range cooling
Temperature
nominal value
Hysteresis
Depiction of the control characteristics
Fig. 4: