13916 CF Echo II E TS0314.indd
MOUNTING AND OPERATING INSTRUCTIONS
CF Echo II
DELIVERY CF ECHO II
REQUIRED TOOLS
• Compact heat meter with
removable calculator
• 1 connected flow meter
• 2 temperature sensors
(optional)
• 1 wall mounting bracket
• 1 package with material
for sealing, screws, wall
plugs (6 mm)
• 1 set of gaskets
• 3 mm screw driver
• Wrench
• Crosstip screwdriver
Metering Unit
Flow Meter
GENERAL INDICATIONS
Heat meter CF Echo II is a sophisticated electronic measuring instrument. The following instructions must be carefully
observed in order to esnure correct mounting and to fulfill all safety and guarantee conditions.
Advice concerning safety
Hot water circuits and mains power supplies run under high temperatures and pressures as well as under high voltages.
When operated incorrectly, these may cause serious injuries. Due to this, the measuring units may only be installed by qualified and trained personnel. The casings of the heat meters are designed for cold, warm and hot water with the characteristic
values specified for each case, excluding any other liquid. If the integrator casing is submitted to strong shocks, impacts,
drops from more than 60 cm height or similar stresses, the heat meter must be replaced. Pipes must be earthed. Before
opening the meter, mains voltage (optional) must be isolated.
CE marks and protective classes
Metering unit CF Echo II fulfils the MIO 2004/22/EU guideline and is approved for environmental class C (industrial applications) according to DIN EN 1434:
•
•
•
•
•
•
•
•
•
•
Ambient operation temperature:
+5 °C … +55 °C (indoors installation)
Storage temperature (without battery):
-10 °C … +60 °C
Relative atmospheric humidity:
< 95 %
Absolute altitude:
< 2.000 m
Protective class IP 64 according to DIN EN 60529 (protection against dust and splashing); flow meter IP 66/67
EMC protection according to EN 1434-4 (2007)
Double protective insulation
(protective class II according to EN 61010-1 (2011))
CF Echo II fulfils the requirements for pressurized instruments guideline (97/23/EG)
Concerning specific pressures and temperatures
Discarded electronic devices or batteries contained within the CF Echo II must not be put in normal household waste.
Dispose in accordance to local government regulations.
13916 CF Echo II E TS0314.indd 1
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Further important instructions
• The flow meter must not be lifted or transported by the connecting cable.
• Mounting position shall be selected so that the connecting cable of the flow meter and the temperature probe cables
will not lie near mains cables or other sources of electromagnetic disturbances (minimum distance 50 cm.).
• Cables must not be installed along pipes reaching temperatures above 55 °C.
• Opening of calibration seals will cause the loss of calibration validation and of guarantee, including conformity with
pressurized devices guideline 97/23/EG.
• The casing may only be cleaned on the outside with a soft, damp cloth. Do not use detergents.
• Installation must be carried out according to DIN EN 1434.
MOUNTING THE FLOW METER
Operating conditions, dimensions and materials
The operating parameters of the heating circuit must no exceed given values: Nominal pressure 16/25 bars, operating
temperature 130 °C, short term maximum temperature 150 °C. For further technical data cf. table:
Thread connection
Connection
Thread after ISO 228
Transducer
materials
Stainless steel
O-ring
EPDM
Pipe materials
brass Cu Zn36 Pb2 AS
Nominal flow,
qp (Qn)m3/h
0,6
3
Max. flow, qs m /h
bronze Cu Pb5 Sn5 Zn5
1,5
2,5
3,5
6
10
1,2
3
5
7
12
20
Min. flow, qi l/h
6
15
25
35
60
100
Startup flow l/h
1,2
3
5
7
12
20
Build in length
L1, mm
Nominaldiameter
Thread
connection G
110
130
190
15
20
20
¾”B
1”B
110
130
15
20
¾”B
190
130
20
20
1”B
190
20
1”B
260
150
260
150
260
25
25
25
25
25
1¼”B
11/4”B
11/4”B
260
200
32
40
1½B
300
40
1”B
Hight A, mm
72
72
72
72
72
72
72
72
77
77
77
77
77
77
85
85
Hight A1, mm
110
110
110
110
110
110
110
110
114
114
114
114
114
114
123
123
Hight A2, mm
18
18
18
18
18
18
18
18
23
23
23
23
23
23
35
35
Weight, kg
1,1
1,2
1,5
1,1
1,2
1,5
1,1
1,4
1,9
1,5
1,9
2,4
2
1,8
2,5
5,5
19
19
Internal diameter
di, mm
Pressure loss at
qp bar
19
0,04
0,04 0,04
19
19
19
29
29
28,5
28,5
28,5
28,5
28,5
28,5
44
44
0,22
0,22
0,22
0,17
0,17
0,17
0,11
0,11
0,13
0,13
0,13
0,09
0,09
2
13916 CF Echo II E TS0314.indd 2
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Flange connection
Connection
Flanged after ISO 7005-3, PN 25
Transducer materials
Stainless steel
O-ring
EPDM
brass Cu Zn36
Pb2 AS
Pipe materials
3
bronze Cu Pb5 Sn5 Zn5
Nominal flow, qp (Qn)m /h
0,6
1,5
2,5
3,5
6
10
15
Max. flow, qs m3/h
1,2
3
5
7
12
20
30
Min. flow, qi l/h
6
15
25
35
60
100
150
Startup flow l/h
1,2
3
5
7
12
20
30
Build in length L1, mm
190
190
190
260
300
260
300
270
300
250
270
270
Nominal diameter
20
20
20
25
40
25
40
50
40
40
50
50
50
High A, mm
110
110
110
114
114
114
114
114
123
123
123
123
123
Weight movable flanges, kg
(former version)
3,2
3,2
3,2
4,5
7,1
4,5
5,8
8,6
8,2
8
9
9
8,8
-
-
-
3,6
5,4
3,7
5,5
6,4
6,5
6,2
7
7
6,5
Flange Diameter D, mm
105
105
105
115
150
115
150
165
150
165
165
165
165
Bolt circle diameter K, mm
75
75
75
85
110
85
110
125
110
125
125
125
125
Bolt holes diameter L, mm
14
14
14
14
18
14
18
18
18
18
18
18
18
Flange dimension F, mm
100
100
100
110
140
110
140
160
140
160
160
160
160
Internal diameter di, mm
19
19
20
28,5
28,5
28,5
28,5
28,5
44
44
44
44
44
Weight mobile flanges, kg
(new version)
250
3
13916 CF Echo II E TS0314.indd 3
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MOUNTING INSTRUCTIONS
•
•
•
•
•
Never carry out welding or drilling work near the meter.
Leave the meter in its original package until all connections, insulating, painting and cleaning tasks have been performed.
Always install the meter according to the mounting position indicated on the nameplate (supply or return).
The flow meter may be installed either horizontally or vertically, but not upside down.
The heat meter must be protected against shocks and vibrations which might occur at the place of installation. When
charging the pipes with water, isolation valves must be opened slowly.
• Thread and flange connections of the meter must match with the nominal width DN and nominal pressure PN (according
to EN 1092) of the corresponding counterparts of the pipes. The metering unit must not be subject to excessive tensions
caused by pipes or molded parts. The pipes of the heating system must be secularly fastened before and after the flow
meter. In case of flange connections, all bolts must be used and tightened. All bolts, nuts and gaskets used must comply
with the nominal width DN, the pressure level PN, the maximum admissible temperature and pressure.
INSTALLATION ISOLATION
NO!
NO!
Attention:
Do not cover plastic parts of the meter with isolating material.
GENERAL INSTALLATION SCHEMATIC
CF Echo II DN ≤ 20
Supply Pipe
Use provided gaskets!
Return Pipe
4
13916 CF Echo II E TS0314.indd 4
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NO!
Installation CF Echo II DN ≥ 25
Supply Pipe
Attention:
Please let water drop down from
cable connections and avoid
waterflow in direction of integrator/
flow meter. Take special attention in
cooling systems due to condensating water.
Return Pipe
POSITION OF THE FLOW SENSOR
Flow direction
Flow direction, e.g. rising pipe
45°
45°
Vertical mounting
NO!
A
Horizontal mounting
Benennung
Freigabestatus
12.02.2014
frei für Serie
Gez.
Bearb.
Gepr.
Datum
30.08.04
12.02.14
Name
Koch
VMT-CF-Echo ll
Für Erz.
Art.-Nr.
Scheef
MA
12211
Ausgabe-Nr.
AB
Maßstab
1:1
Ablage:
Attention:
The flow meter must always be completely filed with liquid! Flow meter must not be installed at the highest point of an
installation to avoid air inside the meter.
5
13916 CF Echo II E TS0314.indd 5
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MOUNTING OF METER WITH MOBILE FLANGES (NEW VERSION)
1.
DN25 - 12x60 mm
DN40/50 - 16x65 mm
• Put any two mobile flange segments together and screw them by hand onto
the two button holes of the pipe.
• Leave the mobile flanges open.
2.
Attention:
Smooth side of flange outwards.
• Place meter into open mobile flanges
Attention: Use provided gaskets!
• Close mobile flanges
OPTION: METER WITH MOVABLE FLANGES (FORMER VERSION)
• Place meter between flange connection of pipe
Attention: Use provided gaskets!
6
13916 CF Echo II E TS0314.indd 6
17.04.14 10:38
3.
45°
45°
• Insert remaining screws and screw them first by hand
• Align flow meter into correct position
• Tighten all screws with a tool/spanner
A
Benennung
Freigabestatus
12.02.2014
frei für Serie
MOUNTING OF THE INTEGATOR
Gez.
Bearb.
Gepr.
Datum
30.08.04
12.02.14
Name
Koch
VMT-CF-Echo ll
Für Erz.
Art.-Nr.
Scheef
MA
12211
Ausgabe-Nr.
AB
Maßstab
1:1
Ablage:
Mounting of the integrator
The integrator must not be installed with the flow meter when environmental temperature is permanently above 55 °C or in
case of operation for cooling purposes.
Set metering unit with an angle of 45° on the support
Rotate metering unit 45° till it engages.
Mounting on the wall
If temperatures in the heating circuit are permanently higher than 90 °C, or if ambient temperature is more than 55 °C, it is
recommended to mount the integrator on the wall.
Screw the supplied wall support to the wall or fasten it to a cool pipe.
Set the integrator with an angle of 45° on the support Rotate the metering unit by 45° till it engages.
7
13916 CF Echo II E TS0314.indd 7
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35,2 mm
35 mm
69 mm
MOUNTING OF TEMPERATURE PROBES
Technical data
•
•
•
•
Connection
Cable diameter
Maximum wire section
Type
2 wire technology
3.5 mm … 6.5 mm
0.2 … 1.5 mm2
PT 100 or PT 500 according to DIN EN 60751
(Observe nominal value of integrator – see sensor nameplate)
Mounting
• Only use pairs of temperature probes with the same serial number. Probe cable must not be shortened or lengthened.
• One temperature sensor should installed near to the outlet of the flow meter. Flow meters DN15 and DN20 offer a
measuring point directly integrated in the flow meter (see details below).
• Both supply and return temperature sensors should be installed in a similar way to ensure symmetric measurement and
therefore best accuracy. Don´t mix direct installation and installation in pockets.
• When laying the cables, a minimum distance of 50 mm to main power cables and/or sources of ectromagnetic
interferences should be respected.
• In case of strong sources for electromagnetic disturbanes (e.g. high power machines and pumps, frequency and power
converters, power switches, neo tubes) it´s recommended to increase the minimum distance to meter signal cables
to 50 cm.
Probes must be mounted according to the guidelines of EN 1434.
1
2
3
4
8
13916 CF Echo II E TS0314.indd 8
17.04.14 10:38
NO!
Attention:
To achieve highest accuracy, the tip
of the probes/pockets should reach
the center of the pipe.
MOUNTING OF TEMPERATURE PROBE INTO FLOW METER (IF NOT ALREADY DONE IN FACTORY)
For normal flows Qp 0,6 - 2,5, the return measuring point for direct measuring probes of type DS or for pocket type probes
PS must be integrated in the flow meter.
DS, measurement in flow meter
(DN 15/20 only)
Gasket
PS, measurement in flow meter
(DN 15/20 only)
Knurled nut
9
13916 CF Echo II E TS0314.indd 9
17.04.14 10:38
N
NO!
TEMPERATURE PROBES
Connection of temperature probes
Please note the following instructions to connect temperature probes in heating-, cooling or combined heating-cooling
systems:
Warm connector
Cold connector
Heating system
supply probe
return probe
Cooling system
return probe
supply probe
Combined heating-cooling system
supply probe
return probe
• Pierce cable glands 1 and 2 of the calculator
• Pull the supply temperature probe cable (= warmer line)
through cable gland 11 and the return probe
cable (= colder line) through cable gland 2 .
• Make a loop to resist tension and loop over
the corresponding support (cf. figure).
• Connect wires according to the plan of terminal connections.
1
2
Plan of terminal connections
Supply
Return
Fig.: Probe connection with 2 wire technology
Cable glands:
1. Ø4.25 ± 0.75 mm2 – T. probe (supply)
2. Ø4.25 ± 0.75 mm2 – T. probe (return)
3. Ø6 ± 1 mm2 – mains power supply – optional
4. Ø4.25 ± 0.75 mm2 – optional
5. Ø4.25 ± 0.75 mm2 – optional
1
3
2
4
5
6
7
8
6. Ø6 ± 1 mm2 – T. probe (supply)/optional
7. Ø6 ± 1 mm2 – T. probe (return)/optional
8. Ø3.75 ± 0.75 mm2 – flow meter
10
13916 CF Echo II E TS0314.indd 10
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POWER SUPPLY
Three types of power supply are available. As standard, system is fitted
with a 6 years battery.
Battery for 6 years*
Type 2 x lithium 3.6 V-AA, soldered to an insert board
Use only original battery. Do not recharge, open, heat to more than 100 °C,
expose to an open flame or immerse in water. Do not dispose through domestic
waste. Dispose in accordance to local government regulations.
Lithium 3,6 V-AA
• Connect battery using plug-in connectors.
• Place the battery into the corresponding recess
in the integrator casing and engage.
CAUTION: Leave the calculator with change from battery to main operation and turned around 5 minutes without voltage
supply. Afterwards check the internal clock and if necessary reset it.
* Optional: 12 years battery available on request.
CAUTION: Risk of exlosion if battery is replaced by an incorrect type.
Dispose of used batteries in accordance to local government regulations.
Mains module
Mains voltage
Mains frequency
Maximum power requirement
Type of cable
Cable diameter
Section of wire
230 V ± 15 %
50 Hz ± 2 %
1 VA
2 wires (no earth)
4.5 mm … 7.0 mm
0.5 … 2.5 mm2
Heat meters with mains power supply must be connected according to installation
instructions. The mains power supply must be protected against voltage failures.
Protective systems (circuit breakers) must be used, in order to ensure secure
disconnection of the unit from the mains in case of electric trouble (breaking current < 1A).
27 28
•
•
•
•
•
•
Mains module
An emergency circuit breaker should be:
•
•
•
•
installed within reach
clearly recognizable as an emergency breaker
cut off both wires
clearly show the on/off position
The connecting cable of the mains option must be directly connected to the breaker switch.
•
•
•
•
•
•
•
Cut off grid voltage (breaker switch).
Open meter casing and connect the mains power supply using the plug.
Introduce the mains option board into the corresponding recess in the casing.
Pierce the third cable gland from the right and pull through mains cable.
Clamp the cable using the tension relieving system.
Connect wires to terminals No. 27 and 28 (safe guard against wrong polarity, strip 8 mm of insulation).
Close casing lid and switch on mains voltage.
11
13916 CF Echo II E TS0314.indd 11
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Start up
• Check all functions, especially the correct display
of temperatures and volume flow.
If the casing was opened:
> replace upper part of casing and screw together
> secure screws with users seal (use supplied plastic seals or wire seals).
OPERATING INSTRUCTION CF ECHO II
A heat meter is a measuring instrument used to measure the energy released in a heating or cooling system. A compact
heat meter consists of the partial components formed by the pair of temperature probes, the flow meter and the integrator,
the complete instrument in itself being subject to compulsory calibration when in commercial utilization. The meter collects
the measuring values of the pair of probes and of the flow meter, permitting the display of diverse data over 3 separate
display levels.
Display level 1:
billing level (cumulated energy and volume display)
Display level 2:
service level (actual operating data of the heat meter)
Display level 3:
due date level (13/24* months values for cumulated energy and volume)
* Software version 20-47 and higher
LC display and signification of segments
1. Alarm symbol: energy measurement stopped for cause of trouble
2. Dirt alarm: energy measurement continued, cleaning of the flow sensors are necessary
3. Temperatures: appears for temperature related displays or for displays of cooling energy in case of combined
heating/cooling meters.
4. Flow display: permanent symbol: flow is present / flashing symbol: no flow
5. Date & time: representation of date and time indications related to time dependent displays, e.g. due day values and
maximum values.
6. Display level: actually selected display level
7. Unit: physical unit
8. Decimal point
9. Pulse weight of exterior connected water meters (only when a corresponding option board is being used)
10. Maximum value: appears when maximum values are displayed
11. Operating time: appears for operating time display
12. Not used
13. Water meter 1 or 2: display concerns exterior water meter (1 or 2)
14. Main display area: 7 digits for the display of all values displaying all cumulated and actual values
1
2
3
5
4
6
7
14
13
12
11
10
9
8
12
13916 CF Echo II E TS0314.indd 12
17.04.14 10:38
All display levels and displays in detail
Depending on the type of unit, the actual range of display may differ from the one shown here. Pressing of the push button
activates the LC display. Switching of levels is achieved by pressing for 2 sec. of push button
, change of display through
short pressing of push button
Energy (MWh, kWh
or GJ)
Flow
Failure hours
Due day values energy,
month 1...13/24*
Cooling energy (MWh,
GJ or kWh) - optional -
Power
Error code temperature
measurement
Due day values cooling energy,
month 1...13/24* (optional)
Volume
Supply temperature
Error code flow
measurement
Due day values volume, month
1...13/24* (optional)
LCD-Test
Return temperature
Overload times
Due day values water meter
½ month 1...13/24* (optional)
Water meter 1 -optional -
Temperature difference
Mains voltage failure
time
Software version
Water meter 2 -optional -
Operating time
Integrator time and
date (optional)
Maximum power display
day + month/year/time
permanent change of display
MBus primary address
Maximal flow value
day + month/year/time
permanent change of display
MBus secondary
address
MBus secondary
address digits - 5-8 Maximum temperature
day + month/year/time
permanent change of display
MBus baudrate
* Software version 20-47 and higher
Pulse weight water meter
½ (optional)
13
13916 CF Echo II E TS0314.indd 13
17.04.14 10:38
INDICATIONS CONCERNING SPECIAL DISPLAY FUNCTIONS
(partly optional, depending on type of unit)
Energy and volume index (display levels 1 and 3)
The energy unit is programmed at the factory. As a standard, energy is displayed in MWh, optionally KWh or GJ are possible.
Cooling energy (display level 1)
Display of cumulated cooling energy for energy versions for utilization as combined heating/cooling circuits (please refer to
point 9 for more detailed information).
Water meters 1 and 2 (display level 1)
Display of the meter status of connected supplementary water meters with impulse output, using a corresponding optional
board (please refer to point 8 for more detailed information).
Maximum value display (display level 2)
The actual monthly maximum values for power output, flow and flow temperature are displayed with the corresponding time
stamp. Internally, 13/24* monthly maximum values are stored for each case, which may be read out via the M Bus or the
optical interface. The duration of period to assess the maximum values is 60 minutes. The duration of period may be varied
via the M Bus or the optical interface within a range of 1 min – 1440 min (= 1 day).
* Software version 20-47 and higher
Operating trouble alarm (display level 2)
In case of operating trouble, CF Echo II displays a symbol “
”. When this trouble alarm appears, maintenance should
be called. CF Echo II shows detailed information concerning operating troubles in special display levels (cf. description of
display).
Display level
operation shut down code
A0 = trouble with temperature recording
1 = supply temperature probe is not connected, pipe is interrupted or broken
2 = return temperature probe is not connected, pipe is interrupted or broken
3 = negative temperature difference; temperature probes were exchanged (except in
case of combined heating/cooling metering)
4 = Analog to digital converter is broken (instrument must be replaced)
b = low battery voltage (replace battery)*
* Software version 20-47 and higher
Display level
operation shut down code (optional)
A1 = trouble with flow measurement
1 = backflow in meter or in pipe system
2 = air in the pipe system, broken ultrasound probes or very strong deposits on the
probes (cleaning or inspection required)
3 = exceeding the maximum admissible flow
* this message is a warning and does not cause measurement shut down.
4 = connection cable with flow transponder or connection to the ultrasound probes
has been disconnected.
5 = no flow for > 24 hours, but ΔT > 15 K
6 = no data communication between integrator and flow meter
7 = problem with the option board
14
13916 CF Echo II E TS0314.indd 14
17.04.14 10:38
M Bus parameters (display level 2)
Representation of characteristic data for remote data readout over M Bus or optical interface.
Due day values (display level 3)
Representation of 13/24* end of the month values of the cumulated values for energy, volume, cooling energy (optional) and
volume of the connected water meters, with time stamp and beginning with the value of the previous month.
* Software version 20-47 and higher
INSERT OPTION BOARDS
The function range of the integrator may be extended for data communication and data remote display by means of inserting
different option boards. The following option boards are available:
•
•
•
•
•
•
•
M Bus + 2 exterior water meters
M Bus + 2 exterior water meters power supply by M Bus
M Bus + E/V Repetition
LON + 2 exterior water meters
RF (AnyQuest / EverBlu) – (Main power supplied products)
RF (AnyQuest / EverBlu) + 2 exterior water meters (Battery power supplied products)
GPRS + E/V Repetition + M Bus Master
Details concerning mounting and start up are described in the mounting and operating instructions of the corresponding
option boards.
SPECIAL VERSION FOR USE IN COOLING AND COMBINED HEATING/COOLING CIRCUITS
Meter for utilization in cooling circuits
For these types of products, the heat meter unit has been especially identified and programmed at the factory for utilization
in cooling systems.
Handling, LC display and utilization of the option boards is essentially in accordance with the heat meter unit, all energy and
power output related display values, M Bus data and remote display impulses being related to cooling energy.
The integrator is programmed for installation of the flow meter in the “warm” pipe of the cooling system (= return of the cooling system). A version programmed for the installation of the flow meter in the cold pipe also is available as an option.
Utilization for
air conditioning
wFlo
cold
Consumption of
cooling energy
Air conditioning
system
Cools the
system
wk flo
Bac
rm
wa
15
13916 CF Echo II E TS0314.indd 15
17.04.14 10:38
Integrator for utilization in combined heating/cooling circuits
For these product versions, the integrator has been identified and programmed at the factory especially for utilization in air
conditioning systems with combined heating and cooling operation.
Handling, LC display and utilization of the option boards is essentially in accordance with the heat meter. The following
special characteristics must be taken into account:
Boundary conditions for the metering of heating and cooling energy
• Heating energy is measured as soon as the temperature difference ΔT exceeds 0.5 K and supply temperature Ts exceeds
25 °C (ΔT = supply temperature Ts - return temperature Tr).
• Cooling energy is measured as soon as the temperature difference ΔT remains below -0.5 K and supply temperature is
less than 25 °C. A version with switched off Ts threshold is available as option*.
LC display
• Display of cooling energy is carried out in a supplementary register in the 1st display level. In order to differentiate from
heating energy, a thermometer symbol being displayed simultaneously.
• 13/24* due day values (end-of-the-month values) for cooling energy may be called up in the 3rd display level.
Option boards for remote display
• The option board outputs are marked “E” (for energy) and “V” (for volume). For this type of product, pulses proportional to
the cooling energy are output at the cooling energy output marked “V”.
This type of product is programmed for installation of the flow meter in the return pipe of the air conditioning system
(= cold pipe during operation as heating, warm pipe during operation for cooling). A version programmed for the installation
of the flow meter in the supply pipe also is available as an option.
* Software version 20-47 and higher
wFlo
Utilization for
air conditioning
cold
Air conditioning
system
k
Bac flow m
r
wa
Cools the
system
wFlo m
r
wa
13916 CF Echo II E TS0314.indd 16
Utilization for
heating
Consumption
of heating
energy
Heating
system
Heats the
system
Consumption
of cooling
energy
k
Bac
flow
rm
wa
17.04.14 10:38
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