Fantini Cosmi ECCM42 Manual

Fantini Cosmi Måling ECCM42

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Side 1/12
ECCM42 Installation manual
(cod. 5679610 Rev.1)
Page 1 of 12
ECCM42
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 ECCM42 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 circuit;
•
thermal energy in a 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 ECCM42 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
ECCM42 Installation manual
(cod. 5679610 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 eighteen 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/C2 reference
50
Vol2
Flow sensor C2 input
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
55
Tf2
Circuit 2 forward temperature sensor
56
Tf2
Circuit 2 forward temperature sensor
57
Tr2
Circuit 2 return temperature sensor
58
Tr2
Circuit 2 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 example refers to a system fitted with four pipes, with
separate heating (Circuit 1) and cooling ( )Circuit 2 circuits.
In case of systems fitted with two pipes, terminals 55, 56, 57 and
58 shall be left free.
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 meters C1 and C2
The C1 pulse input is normally used to record the heat energy,
whereas the C2 pulse input (in systems fitted with two pipes) can
be used, if necessary, for the recycled water flow meter. 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 a system fitted with four pipes,
with separate heating and cooling circuits.
In case of systems fitted with two pipes, terminal 50 shall be left
free (unless it is used for a recycled water flow meter input).
Forward Return Forward Return
Circuit 1 Circuit 2
+
-
-
+
Circuit C1 Circuit C2
Flow mete
Flow met

Produkt Specifikationer

Mærke: Fantini Cosmi
Kategori: Måling
Model: ECCM42

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