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Fantini Cosmi Mätutrustning ECCM32

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ECCM32 Installation manual
(cod. 5679612 Rev.1)
Page 1 of 12
ECCM32
Energy calculator
for heat metering
INSTALLATION MANUAL
This manual is intended for qualified, previously trained
personnel: therefore, it does not provide basic information
concerning the general application context.
The “Advanced programming and user’s guide ECCM ” and the “
Service” configuration software can be downloaded from
“www.fantinicosmi.it” web site.
Warning! This unit contains “lithium-thionyl chloride”
batteries that may be potentially dangerous.
Read through the safety precautions for use in chapter 14.
1. Introduction
The ECCM32 unit is an electronic device used for heat sub metering
in heating and cooling systems as well as the volumes of cold and
hot sanitary water meters.
The calculator features separate sections able to simultaneously
record the following:
•
thermal energy in a heating and cooling circuit;
•
sanitary cold water volume;
•
sanitary hot water volume.
The unit has been designed to facilitate the installation and reduce
the time needed for the commissioning operations.
The ECCM32 unit is equipped with a wired “M-Bus” interface and a
wired “Local-bus” interface that allow the user to read, by means
of compatible equipment, the consumption from inside one’s own
apartment.
2. Package contents
• Calculator;
• Installation kit including:
one supporting bracket- two screws 3x6mm – one screw
2,9x9,5mm – one O-ring – two security seals;
• Installation manual.
3. General information
• Read through and strictly comply with the instructions and
specifications contained in this manual.
• The unit shall be installed, maintained and repaired by qualified
personnel, in accordance with the general prescriptions
concerning the electric equipment installation.
• This type of product is ruled by the EN1434 Standard (parts 1÷6)
and the 2004/22/CE Directive (Annex MI-004). Moreover, the
national standards concerning the calibration, verification and
validity, as applicable in the country where the equipment is
operated, shall be complied with.
• The certified manufacturing process guarantees the correct
operation of the unit and the conformity to the safety standards.
The warranty will be null and void if the seals inside the unit are
damaged or have been removed, or if any arbitrary modification
is made to the unit itself.
• The unit shall be cleaned, if necessary, by using only a cloth
moistened with water.
• The flow meter and the electronic unit shall have the same
impulse rate.
• The cables shall be kept at least 20 cm far from electromagnetic
interference sources (e.g. switches, regulators, circulation pumps,
etc.) and, also, at least 5 cm far from other electric cables.
4. Installation
4.1. Installing the calculator
The calculator is factory-set to the “delivery” mode, as
evidenced by the OFF writing on the display.
The keys shall be pressed only to proceed with “commissioning”
(refer to chapter 11) upon completion of the installation and
connection operations.
Open the calculator by acting on the two side hooks to remove the
upper assembly with the electronic section.
Carefully put the electronic section aside in the package.
Remove the fastening bracket from the bottom section and fix it to
the wall; then, fit the bottom onto the bracket and fix it by making
use of the “anti-removal” kit (i.e. screw and O-ring) supplied
together with the unit.
The special seals shall be put onto the calculator following the
installation and commissioning operations.
MID examination certifica
CH-MI004-13017
ECCM32 Installation manual
(cod. 5679612 Rev.1)
Page 2 of 12
4.2. Installing the temperature sensors
Refer to the installation instructions and prescriptions relative to
the temperature sensors.
4.3. Installing the flow meter
Refer to the installation instructions and prescriptions relative to
the flow meters.
5. Connecting the external components
It is recommended that you should draw in advance a
wiring diagram with the various connections to be made
depending on the planned system application.
The electrical connections with the external devices (e.g.
temperature sensors, flow meters) and the communication
infrastructures (e.g. M- Bus and Local-bus) shall be made on the
terminal block fitted to the unit’s bottom section.
One dedicated through-hole shall be used for each cable (by acting
on the predrilled rubber block).
5.1. Description of the terminal block
The fourteen pole numbering complies to the EN1434-2 numeric
identification, as shown below:
EN1434
Numbering
Acronym Description of the connection
24
M-Bus
M-Bus communication line
25
M-Bus
M-Bus communication line
60
Loc B
Local bus communication line
61
Loc B
Local bus communication line
10
Vol1
Flow sensor C1 input
11
Gnd
Flow sensor C1 reference
50
n.c.
Not used
51
Vol3
Flow sensor C3 input
52
Gnd
Flow sensor C3/C4 reference
53
Vol4
Flow sensor C4 input
5
Tf1
Circuit 1 forward temperature sensor
6
Tf1
Circuit 1 forward temperature sensor
7
Tr1
Circuit 1 return temperature sensor
8
Tr1
Circuit 1 return temperature sensor
Tighten the terminals down and verify that the connections
are made firmly.
5.2. Connecting the temperature sensors
Use only compliant to the EN1434-2 Pt500 temperature sensors
Standard and certified by MID (2004/22/CE).
The “Service” menu (refer to paragraphs 10.2 and 10.3) allows
you to set, for each pair of sensors, the cable length depending
on the special system application:
• lenght 2,5÷3 m (standard, factory set)
• lenght 5÷6 m (type 1)
• lenght 10÷12 m (type 2)
It is mandatory that the cables of the two sensors of each
circuit (i.e. forward and return ) are of the same length.
5.3. Connecting flow meter C1
Use only flow meters equipped with class OA (reed output) and
class OC (open-collector) pulse outputs, with pulse rate “k”
(liters/pulse) compatible with the ones managed by the calculator.
Refer to chapter 6 and chapter 10 (paragraphs 10.2 and 10.3) for
more details.
When flow meters with class OC (open-collector) outputs
are used, the connection polarity shall be complied with.
Forward Return
Circuit 1
-
Circuit C1
Flow met
ECCM32 Installation manual
(cod. 5679612 Rev.1)
Page 3 of 12
5.4. Connecting flow meters C3 and e C4
Pulse inputs to record the C3 and C4 are used sanitary hot and
cold water volumes. Refer to chapter 8 for more details
. Refer to
chapter 8 for more details.
Use only flow meters equipped with class OA (reed output) and
class OC (open-collector) pulse outputs, with pulse rate “k”
(liters/pulse) compatible with the ones managed by the calculator.
Refer to chapter 6 and chapter 10 (paragraphs 10.2 and 10.3) for
more details.
When flow meters with class OC (open-collector) outputs
are used, the connection polarity shall be complied with.
The connection example refers to the use of both pulse inputs. If
one or both inputs are not used, their respective terminals shall
be left open (not connected).
5.5. M-Bus network and Local-bus line connections
To connect the calculator communication interfaces, follow the
instructions below. The cable access to terminals 60 and 61 is
protected by a plastic membrane (to be removed) used to
prevent making wrong connections.
Warning! The M-Bus network operates at a rated voltage
of 48 V
DC
; therefore, any wrong connection of the M-Bus
network cables to other terminals of the calculator may cause
irreparable damage to the unit.
Polarity needs not be complied with for both
connections; however, it may be recommended that you
should keep the same polarity for the entire wiring, due to
system-related reasons.
Both the length and the section of the M-Bus network cables shall
be adequate to the communication speed. Except for special
applications, a of the type,telephone cable J-Y(ST) Y2x2x0.8
mm
2
, can be used for connecting with the M-Bus network.
The of the line shall be . maximum length Local-Bus 50 meters
Use ordinary duplex cables (2x0.6mm
2
) for the connection.
Warning! Only data consultation units (master units)
compliant to the safety requirements provided for by the
EN 13757-6 Standard shall be connected to the Local-Bus line.
6. Measurement representation format
The representation format, i.e. the decimal digits, for the energy
and power volume and flow rate measurements and the
measurements will be determined in accordance with pulse rate
“k” (liters/pulse) as set on the unit. The pulse rate will also
determine the maximum power that will turn out to be, in
conformity to paragraph 6.3.7 of the EN1434-2, as follows:
when k <100 the maximum power will be 33333 kW
when k ≥100 the maximum power will be 333333 kW
Important! After a volume input has acquired pulses, the
respective pulse rate “k” will no longer be able to be
changed. Therefore, the parameter shall be programmed prior to
applying the unit to the base and starting the unit.
Tables below show the representation formats for the “k” value
(litres/pulse) and for the units of measurement adopted for
energy and power and for volume and flow rate.
Pulse rate
“k”
Energy and power Energy and power
[MWh
] *
o [GJ] [kW] [kWh] o [MJ]
1
0.000
0.00
0.00
0
2.5
0.000
0.00
0.00
0
10
*
0.000
0.00
0.00
0
25
0.000
0.00
0.00
0
100
0.00
0.00
0.00
0
250
0.00
0.00
0.00
0
1000
0.00
0.00
0.00
0
2500
0.00
0.00
0.00
0
Pulse rate
“k”
Volume and flow rate Volume and flow rate
[m
3
]
*
[m
3
/h] [litro] [l/h]
1 0.000 0.000 0 0
2.5 0.000 0.000 0 0
10
*
0.000 0.000 0 0
25 0.000 0.000 0 0
100 0.00 0.000 0 0
250 0.00 0.000 0 0
1000 0.00 0.000 0 0
2500 0.00 0.000 0 0
(*) Factory setup values.
7. Communication interfaces
The calculator is equipped with two wired serial communication
interfaces: one M-Bus port and one “Local-Bus” port.
7.1. M-Bus interface
The wired M-Bus communication port features galvanic insulation
and makes it possible to remotely read the data by means of data
collection devices conforming to the communication standards as
per EN1434-3 and EN13757 (parts 2 and 3). The factory-set
communication speed (baud rate) is 2,400 baud; moreover, two
additional speeds can be selected (i.e. 300 and 9600 baud).
The communication with the unit can be established by means of
the primary address (which can be set through the “Service” menu)
or the secondary address (i.e. the unit’s serial number) available in
page 22 of the “consultation” menu.
7.2. Local-Bus interface
The “Local-Bus” communication port features an interface
conforming to the EN 13757-6 Standard as well as a proprietary
protocol. It allows the users to read, by means of a compatible
display (i.e. a chronothermostat or domotic system), the
consumption data (i.e. the current ones and the ones found in the
twelve monthly logs as well as logs ‘A’ and ‘B’). Contact the
technical support office for more details.
In accordance with the 2004/22/CE Directive, this data
collection method does not replace the consumption data
consultation/collection by means of the unit’s display or the M-
Bus data line.
+
-
-
+
Circuit C3 Circuit C4
Flow mete
Flow met
Local Bus

Produktspecifikationer

Varumärke: Fantini Cosmi
Kategori: Mätutrustning
Modell: ECCM32

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