Please read these instructions carefully prior to installation and use, and follow all the precautions for installation and electrical
connections; keep these instructions with the device for future consultation.
The device must be disposed of in accordance with local regulations pertaining to the collection of electrical and electronic
appliances.
OTES ON THE PARAMETER OF THE CONTROLLER RELATIVE TO THE
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CAN
NET CONFIGURATION
......... 52
C-PRO KILO HARDWARE MANUAL
1 Introduction
The C-PRO KILO family of programmable controllers is the ideal solution for low to medium complexity
refrigeration, ventilation and air conditioning applications. The controller software is fully programmable, in a
simple and intuitive manner, both in terms of control and the user interface, thanks to the use of the UNI-PRO
development environment.
The C-PRO KILO is available in a version for installation on DIN rails (10 DIN modules); there is also an open
case version available, again for installation on DIN rails.
Using the 7 relay outputs, it is possible to control various types of devices such as compressors, water
circulation pumps, de-icer heaters, condensation or evaporation fans, cycle inversion valves, alarm indicators
etc.
As an alternative to the 7 electromechanical relay outputs, there is also a version with 5 electromechanical
relays and 2 solid state relays (SSR).
The C-PRO KILO is also available in an 11 DIN module case; in addition to the normal features, this version
also has a 48 VDC stabilised output, useful in the climate control and mobile phone control unit (shelter)
sectors for supplying the shutter servomotor.
The C-PRO KILO also has 3 analogue outputs: one for controlling the EVDFAN1 phase chopping module (this
output is also provided with the standard version of the controller) and two 0-10 V or 4-20 mA type outputs
(available on request).
The controller has 5 analogue inputs, 3 for NTC probes and 2 for NTC probes/0-5 V ratiometric transducers (on
request)/0-20 mA transducers/4-20 mA transducers.
The C-PRO KILO also has 7 digital inputs for controlling the operation of the unit.
There are two alternative versions according to the kind of Bus used: CANBus version and IntraBus version.
You can also connect until two I/O expansion units (IntraBus version) or the expansions of the C-PRO EXPMICRO, C-PRO EXP-KILO, C-PRO EXP-MEGA, C-PRO EXP-GIGA families to increase the I/O (CAN
version).
All parameters can be altered by means of the user interface; it is possible to download and upload
configuration data using the programming key.
Finally, the controllers have a Real Time Clock.
The C-PRO KILO is available as a built-in version (with 4 x 20 character alphanumeric display, LED display
with refrigeration icons or LED display with air conditioning icons) and in closed case and open case versions;
the closed and open case versions have neither display nor keypad and must be used in conjunction with a
remote terminal unit.
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C-PRO KILO HARDWARE MANUAL
The following table illustrates the main features of the C-PRO KILO:
Dimensions
Power
supply
Analogue
inputs
(1)
Digital
inputs
Analogue
output 1
(2)
Analogue
outputs
2 and 3
(3)
Digital
outputs
(4)
Output with
48 VDC
stabilised
power
supply
10 DIN
modules
11 DIN
modules
24 VAC/
20 … 60
VDC
48 VDC
5 7 Yes
5 7 Yes
Available on
request
Available on
request
7 No
7 Yes
(1) 3 for NTC probes and 2 for NTC probes/0-5 V ratiometric transducers (on request)/0-20 mA transducers/
4-20 mA transducers
(2) for controlling the EVDFAN1 phase chopping module (optoisolated output)
(3) 0-10 V or 4-20 mA (optoisolated outputs, not available in the open case models; all three combinations are
permitted)
(4) 7 electromechanical relays; or alternatively, 5 electromechanical relays and 2 solid state relays (SSR).
The Real Time Clock and 48 VDC stabilised power output are not available in the open case version.
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C-PRO KILO HARDWARE MANUAL
C-PRO KILO
Built-in version with 4 x 20 character alphanumeric display
C-PRO KILO
Built-in version with LED display and air conditioning icons
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C-PRO KILO HARDWARE MANUAL
C-PRO KILO
Closed case version
C-PRO KILO
Open version
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C-PRO KILO HARDWARE MANUAL
2 Components and accessories
2.1 Example for built-in versions
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C-PRO KILO HARDWARE MANUAL
2.2 Example for closed case versions
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C-PRO KILO HARDWARE MANUAL
3 Technical characteristics
3.1 Connections
Power supply:
The C-PRO KILO is powered by 24 VAC. It can also be powered using DC supplies with outputs between 20
and 60 VDC; in this case, it is not possible to control the fan and phase chopping modules. The maximum
length for the power supply connecting cables is 1 m.
Connecting the analogue inputs:
The C-PRO KILO has three analogue inputs for NTC sensors, and two for NTC sensors/0-20 mA
transducers/4-20m A transducers/0-5 V ratiometric transducers (on request). Selection is implemented by the
UNI-PRO development system. The 0-20 and 4-20 mA transducers may be powered from the +12 V terminal,
the 0-5 V ratiometric transducers from the +5 V terminal (see the physical layout). The maximum length for the
analogue input connecting cables is 3 m.
Connecting the digital inputs:
The C-PRO KILO has 7 non-optoisolated digital inputs (clean contact). The maximum length for the digital
input connecting cables is 3 m.
Connecting the digital outputs:
The C-PRO KILO has a maximum of 7 digital outputs to electromechanical relays (two can be SSR). The
maximum length for the digital output connecting cables is 3 m.
Connecting the analogue outputs:
The C-PRO KILO has 1 pulse analogue output for driving the phase chopping modules. The maximum length
for the connecting cables for this type of analogue output is 1 m.
The C-PRO KILO also has 2 voltage or current analogue outputs (optional). The maximum connecting cable
length for these analogue outputs is 3 m. Optional analogue outputs are not available for the open case models.
Connecting the remote terminals (IntraBus):
The connection between the C-PRO KILO and the user terminal is made using a 3 way cable. The maximum
length for remote terminal connecting cables is 1 m if powered by DC current from the controller; 30 m in the
case of a wall-mounted keypad powered by a separate transformer.
Connecting the remote expansion units (IntraBus):
The connection between the C-PRO KILO and the I/O expansion units is made using a 3 way cable. The
maximum length for the remote I/O expansion units connecting cables is 1 m.
User interface connections (CAN):
The connection between C-PRO KILO and the remote user interface is made using 2 way cable (better if it is
two weaves couples) plus possible ground.
The maximum length of the connection cables to the remote user interface depends of the CAN port baud rate.
- 1.000 m with 20.000 baud
- 500 m with 50.000 baud
- 250 m with 125.000 baud
- 50 m with 500.000 baud.
The CAN port baud rate is settable by parameter.
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C-PRO KILO HARDWARE MANUAL
Connection with a remote expansion (or another CAN controller):
The connection between C-PRO KILO and the remote expansion (or other CAN controller) is made using a 2
way cable (better if weaved) plus possible ground.
The maximum length of the connection cables to the remote controllers or expansions depend on the CAN port
baud rate (see above section “User interface connections”).
Notes on the electrical connections:
- do not use electric or pneumatic screw-wrenches on the terminal board
- if the device has been moved from a cold to a warm environment, condensation may have formed
inside; please wait approx. one hour prior to switching on
- ensure that the voltage, frequency and operational power of the device are compatible with the local
power supply
- disconnect the power prior to proceeding with any kind of maintenance operation
- do not use the device as a safety device
- for repairs and any information relating to the device, contact the Evco dealer network.
Caution
The indications regarding maximum connecting cable length infer that a series of precautions are complied
with:
To avoid immunity problems, it is good practice to observe the following points:
- Avoid locations with antennae
- Avoid cabling probe inputs and relay outputs together; more generally, avoid mixing low and high
voltage signals with one another
- Avoid wrapping cable around power components
To avoid any safety issues, it is good practice to observe the following points:
- Avoid premises with relative humidity >90%
- Avoid moisture
- Avoid corrosive environments
- Avoid explosive environments
Strategies
Finally, ensure that the operating conditions are within the operating limits indicated in the technical
characteristics.
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C-PRO KILO HARDWARE MANUAL
3.2 C-PRO KILO electrical connections (wiring)
The C-PRO KILO controller wiring layout is shown below, along with tables giving the meanings of the inputs
and outputs.
To be able to use the EVDFAN1 phase chopping module, it is essential the controller be powered using AC
current; the phase feeding the controller must be the same as that feeding the module.
JE: Connector for analogue outputs 2 and 3 (optoisolated); available on request, not available for
JN-2 - Stabilised power supply output (negative terminal)
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C-PRO KILO HARDWARE MANUAL
3.3 C-PRO KILO dimensions/installation
The mechanical dimensions of the C-PRO KILO are indicated below; the measurements are expressed in mm
(in).
Built-in versions
10 DIN modules (11 DIN modules for versions with stabilised power supply output).
Closed case versions
10 DIN modules (11 DIN modules for versions with stabilised power supply output).
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C-PRO KILO HARDWARE MANUAL
Open case versions
10 DIN modules.
Recommendations for installation:
- ensure that the operating conditions (operating temperature, humidity, etc.) are within the limits
indicated in the technical data sheets
- do not install the device near to any sources of heat (heating elements, hot air conduits, etc.),
equipment containing powerful magnets (large diffusers, etc.), areas affected by direct sunlight, rain,
humidity, excessive dust, mechanical vibration or shock
- in compliance with safety regulations, the device must be installed correctly, and in such a way as to
protect against any contact with electrical parts; all safety devices must be fixed so that they cannot be
removed without the use of tools.
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C-PRO KILO HARDWARE MANUAL
To install the C-PRO KILO, proceed as indicated in the diagrams (points 1 and 2).
To remove the C-PRO KILO, use a screwdriver and proceed as indicated in the diagrams (points 3 and 4).
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