Evco EV3 CHIL User manual

EVCO S.p.A. | EV3 CHIL | Instruction sheet ver. 1.0 | Code 1043CHILI104 | Page 1 of 2 | PT 21/15
EV3 CHIL Controller for single-circuit chillers
I ENGLISH
IMPORTANT
Read this document carefully before installation and before
using the device and take all the prescribed precautions. Keep
this document with the device for future consultation.
Only use the device in the ways described in this document.
Do not use the device as safety device.
For more information see the installer manual.
The device must be disposed of according to local
regulations governing the collection of electrical and
electronic waste.
1 MEASUREMENTS AND INSTALLATION
1.1 Measurements
Measurements are expressed in mm (inches).
1.2 Installation
To be installed on a panel with snap-in brackets.
INSTALLATION PRECAUTIONS
- The thickness of the panel on which the device is to
be installed must be between 0.8 and 2.0mm (0.031
and 0.078 in).
- Ensure that the working conditions for the device
(operating temperatures, humidity, etc.) are within
the set limits. See the section TECHNICAL
SPECIFICATIONS.
- Do not install the device close to heat sources
(heating elements, hot air ducts, etc.), equipment
with a strong magnetic field (large diffusers, etc.), in
places subject to direct sunlight, rain, damp,
excessive dust, mechanical vibrations or shocks.
- In compliance with safety regulations, the device
must be installed properly to ensure adequate
protection from contact with electrical parts. All
protective parts must be fixed in such a way as to
need the aid of a tool to remove them.
2
ELECTRICAL CONNECTION
2.1 I/O configuration
ANALOGUE INPUTS
IN1 Condensation temperature/pressure (NTC/4-20 mA)
IN2 System return temperature (NTC)
IN3 System delivery temperature (NTC)
IN4 Compressor discharge temperature (NTC)
DIGITAL INPUTS
IN5 System flow switch
IN10 On/Off
IN9 Fan thermal protection
IN8 Compressor 1 thermal protection
IN7 Maximum pressure switch
IN6 Minimum pressure switch
ANALOGUE OUTPUTS
AO1 Compressor 1 (0-10V/phase cutting/PWM)
AO2 Fan (0-10V/phase cutting/PWM)
DIGITAL OUTPUTS
DO1 Alarm
DO2 Enable fan
DO3 Circulation pump
DO4 Enable compressor 1
TK1 Compressor 2 (if installed)
TK2 Fan (if installed)
2.2 Description of connectors
Connector 1
PART DESCRIPTION
1 Electro-mechanical relay digital outputs DO1... DO4
(max. 6A): common
2 Electro-mechanical relay digital output DO4 (2A
SPST): normally open
3 Electro-mechanical relay digital output DO3 (2A
SPST): normally open
4 Electro-mechanical relay digital output DO2 (2A
SPST): normally open
5 Electro-mechanical relay digital output DO1 (2A
SPST): normally open
Connector 2
PART DESCRIPTION
1 Dry contact digital input IN6
2 Analogue input IN1 (NTC/4-20 mA)
3 Dry contact digital input IN7
4 Analogue input IN2 (NTC)
5 Dry contact digital input IN8
6 Analogue input IN3 (NTC)
7 Dry contact digital input IN9
8 Analogue input IN4 (NTC)
9 Dry contact digital input IN10
10 Digital input IN5
11 Analogue output AO1 (0-10V/phase cutting/PWM)
12 Analogue input GND, digital input GND, analogue
output GND and GND for powered INTRABUS port
13 Analogue output AO2 (0-10V/phase cutting/PWM)
14 INTRABUS port powered up signal
15 Power supply to transducer analogue inputs 4-20
mA (12 VDC, max. 40 mA)
16 Analogue input GND, digital input GND, analogue
output GND and GND for powered INTRABUS port
17 EV3 CHIL power supply (12VAC not insulated)
18 EV3 CHIL power supply (12VAC not insulated)
Connector 3 (if installed)
PART DESCRIPTION
1 RS-485 MODBUS slave port: +
2 RS-485 MODBUS slave port: --
3 RS-485 MODBUS slave port: shield
Connector 4 (if installed)
PART DESCRIPTION
1 Triac TK1 output: GND
2 Triac TK1 output (200 mA): OUT
Connector 5 (if installed)
PART DESCRIPTION
1 Triac TK2 output: GND
2 Triac TK2 output (2 A): OUT
2.3 Example of electrical connection
See next page.
PRECAUTIONS FOR ELECTRICAL CONNECTION
- Do not use electric or pneumatic screwdrivers on the
terminal blocks of the device.
- If the device has been moved from a cold to a warm
place, the humidity may cause condensation to form
inside. Wait about an hour before switching on the
power.
- Make sure that the supply voltage, electrical
frequency and power are within the set limits. See
the section TECHNICAL SPECIFICATIONS.
- Disconnect the device from the power supply before
doing any type of maintenance.
- The devices must be fed by power of the same
phase as that feeding any module with a phase-
cutting command signal.
- If using triac digital outputs, we recommend
connecting a noise filter; do not touch the heat
dissipator because it could be very hot
- Connect the device to an RS-485 network using a
screened twisted pair. We recommend using a
BELDEN 3106A cable.
- Connect the power cables as far away as possible
from those for the signal.
- For repairs and for further information on the device,
contact the EVCO sales network.
3 SIGNALS AND ALARMS
3.1 Signals
LED
DESCRIPTION
Function mode LED
Compressor 1 LED
Compressor 2 LED
Circulation pump LED
Fan LED
Temperature LED
Pressure LED
Alarm LED
Set-up LED
On/stand-by LED
3.2 Alarms
CODE
DESCRIPTION
EA01 Condensation temperature probe alarm/
condensation pressure probe alarm
EA02 System return temperature probe alarm
EA03 System delivery temperature probe alarm
EA04 Compressor discharge temperature probe alarm
AFLo Flow switch alarm
AHtr Maximum temperature alarm
AFr1 Antifreeze alarm
AHP1 Maximum pressure switch alarm
ALP1 Minimum pressure switch alarm
AtC1 Compressor 1 thermal protection alarm
AtF1 Fan thermal protection alarm

EVCO S.p.A. | EV3 CHIL | Foglio istruzioni ver. 1.0 | Codice 1043CHILI104 | Pag. 2 di 2 | PT 21/15
4 TECHNICAL SPECIFICATIONS
Purpose of the control
device
Function controller.
Construction of the
control device
Built-in electronic device.
Container Black, self-extinguishing.
Category of heat and
fire resistance
D.
Measurements 75.0 x 33.0 x 59.0mm (2.952 x
1.299 x 5.898in; L x H x D).
Mounting methods for
the control device To be fitted to a panel, snap-in brackets provided.
Degree of front
protection
IP65.
Connections
- Micro-Fit connector (power
supply, analogue inputs, digital
inputs, analogue outputs and
powered INTRABUS
communications port)
- Edge connectors (digital
outputs)
- Plug-in screw terminal block
(RS-485 MODBUS slave
communications port).
The maximum length of the connection cables are as follows:
- power supply: 10m (32.8 ft)
- Analogue inputs: 10m (32.8 ft)
- Power supply for transducer analogue inputs 4-20mA:
10m (32.8 ft)
- Digital inputs: 10m (32.8 ft)
- Analogue outputs 0-10V: 10m (32.8 ft)
- Phase cutting analogue outputs: 10m (32.8 ft)
- PWM analogue outputs: 1m (3.28 ft)
- Electro-mechanical relay digital outputs: 10m (32.8 ft)
- Triac digital outputs: 10m (32.8 ft)
- INTRABUS powered ports: 10m (32.8 ft)
- RS-485 MODBUS master/slave ports: 1,000m (3,280 ft);
see also the MODBUS manual, specifications and
implementation guides available on
www.modbus.org/specs.php.
Use cables of an adequate section for the current running
through them.
We recommend using the CJAV37 connection kit (to be
ordered separately).
Operating temperature
From -10 to 55°C (from 14 to
131°F).
Storage temperature From -25 to 70 °C (from -13 to 158
°F).
Operating humidity Relative humidity without
condensate from 10 to 90%.
Pollution status of the
control device 2.
Operating altitude From 0 to 2,000m (from 0 to 6,591
Transport altitude From 0 to 3,048m (from 0 to
Environmental
compliance - RoHS 2011/65/EC
- WEEE 2012/19/EU
- REACH (EC) Regulation
1907/2006.
EMC compliance - EN 60730-1
- IEC 60730-1.
Power supply: 12VAC (+10 -15%), 50/60 Hz
(±3 Hz), max. 7VA not insulated.
Protect the power supply with a 1 A-T 250V fuse.
Rated impulse-
withstand voltage
4 KV.
Over-voltage category III.
Software class and
structure
A.
Clock On request (with secondary lithium
battery).
Battery autonomy in the absence of a power supply:
> 6 months at 25°C (77°F).
Battery charging time: 24h (the battery is charged by the
power supply of the device).
Drift: ≤ 60s/month at 25°C (77°F).
Analogue inputs
4 inputs:
- 3 for NTC probes
- 1 can be set up using the
configuration parameter for
NTC probes or 4-20mA
transducers
Digital inputs
6 dry contact inputs.
Analogue outputs 2 outputs that can be set up using the configuration parameter for 0-
10V, phase cutting or PWM.
Digital outputs
Up to 6 outputs:
- 4 with SPST electro-mechanical
relay, 2A res. @ 250VAC
- 1 with triac, 200 mA res. @
250 VAC at 25 °C (77 °F)
- 1 with triac, 2A res. @
250 VAC at 25 °C (77 °F).
Type 1 or Type 2
Actions
Type 1.
Additional features of
Type 1 or Type 2
actions C.
Displays Custom 4+4 digit display.
Communications ports Up to 2 ports: - 1 powered INTRABUS port
- 1 RS-485 MODBUS slave port
Alarm buzzer Built-in.
2
ELECTRICAL
CONNECTION
2.3 Example of electrical connection
EVCO S.p.A.
Via Feltre 81, 32036 Sedico (BL) ITALY
Tel. [phone] | Fax [phone]
email [email protected] | web www.evco.it
This document and the solutions contained therein are the intellectual property o
f EVCO and thus protected by the Italian Intellectual
Property Rights Code (CPI). EVCO imposes an absolute ban on the full or partial reproduction and disclosure of the content ot
her than
with the express approval of EVCO. The customer (builder, installer or end-
user) assumes all responsibility for the configuration of the
device. EVCO accepts no liability for any possible errors in this document and reserves the right to make any changes, at any
time
without prejudice to the essential functional and safety features of the equipment.