Axioma QALCOSONIC E 1 Parts list manual

Axioma LEZ UAB
ULTRASONIC THERMAL ENERGY METER
QALCOSONIC E 1
TECHNICAL DESCRIPTION, INSTALLATION AND USER INSTRUCTIONS
PEE1V03
KAUNAS

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Contents
EU DECLARATION OF CONFORMITY............................................................................................. 2
SAFETY INFORMATION..................................................................................................................... 3
1. APPLICATION FIELD....................................................................................................................... 3
2. TECHNICAL DATA........................................................................................................................... 5
3. OPERATING PRINCIPLE ................................................................................................................ 8
4. MARKING AND SEALING............................................................................................................... 8
5. INSTALLATION ................................................................................................................................. 9
6. OPERATION..................................................................................................................................... 13
7. VERIFICATION ................................................................................................................................ 24
8. TRANSPORTATION AND STORAGE REQUIREMENTS ....................................................... 24
Annex A.................................................................................................................................................. 25
Annex B.................................................................................................................................................. 27
Annex C................................................................................................................................................. 32
WARRANTY.......................................................................................................................................... 33
For EU Customers only - WEEE Marking.
Marking of electrical and electronic equipment in accordance with Article 14 (2) of Directive 2012/19/EC
This symbol on the product indicates that it will not be treated as household waste. It must be handed
over to the applicable take-back scheme for the recycling of electrical and electronic equipment. For
more detailed information about the recycling of this product, please contact your local municipal office
EU DECLARATION OF CONFORMITY
Axioma LEZ UAB herewith declares, that this product complies with the relevant requirements of the
following directives:
2014/32/EU
2014/30/EU
2014/35/EU
2014/53/EU
Directive 2014/32/EU of the European Parliament and of the Council of 26 February 2014
on the harmonisation of the laws of the member states relating to the making available on
the market of measuring instruments
Directive 2014/30/EU of the European Parliament and of the Council of 26 February 2014
on the harmonisation of the laws of the Member States relating to electromagnetic
compatibility
Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014
on the harmonisation of the laws of the Member States relating to the making available on
the market of electrical equipment designed for use within certain voltage limits
Directive 2014/53/EU of the European Parliament and of the Council of 16 april 2014
on the harmonisation of the laws of the member states relating to the making available on
the market of radio equipment and repealing directive 1999/5/EC
EC-type examination certificate: LT-1621-MI004-017
Quality system certificate No: KS-1621-MP-001.15
Notified body:
Lithuanian Energy Institute, Laboratory of heat equipment research and testing,Lithuania
Body No: 1621

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SAFETY INFORMATION
Before beginning installation works you must to read this document and follow its
instructions.
Caution: If this equipment is used in a manner not specified by the manufacturer, the
protection provided by the equipment may be impaired.
The meter is powered from the battery (3.6 V), risk factors during the meter installation
and service is a heat conveying fluid flowing within flow sensor with inner pressure up to
2.5 MPa and temperature up to 1800C.
Only qualified technical personnel may install and maintain heat meters. Personnel must
be familiar with appropriate technical documentation and general safety instructions. It is
necessary to follow general safety requirements during installation and maintenance
process.
Device complies with safety class II. Protective grounding is not required, because
housing is made from plastics, and conductive parts are not exposed to the surface.
Safety guarantees at installation and service of meter is:
- Reliable insulation of electrical circuits,
- Hermetic fitting of primary flow and temperature sensors into the pipeline,
- Reliable fastening of sub-assemblies of heat meter at installation.
Safety requirements for temperature sensors are provided in appropriate technical
documentation.
Operating conditions:
Ambient temperature: Calculator - at +5 oC to +55 oC; Flow sensors - at -30 oC to 55 oC ;
Relative humidity - < 93 
Warning! Mounting of the sub-assemblies of heat meter is permissible only after ensuring
of absence of heat conveying fluid in the pipeline.
1. APPLICATION FIELD
The ultrasonic thermal energy meter QALCOSONIC E 1 is designed for measuring heating and
cooling energy and the recording of data in two separate registers.
It is intended for commercial accounting of energy consumption in objects of local or district
heating systems: in dwelling houses, office buildings or energy plants and the like.
The microprocessor compact heat and cooling energy meter can be mounted in both flow and
return pipe.
The meter is available with the inseparable pair of temperature sensors installed at factory or the
user can apply pair of temperature sensors which corresponds to requirements of Directive 2014/32/EU of
the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the
member states relating to the making available on the market of measuring instruments and has the type
examination certificate
Heat meter corresponds to essential requirements of the Technical Regulation for Measuring
Instruments, dated 30 October 2015 (transposing in the NB’s country law Directive 2014/32/EU of 26
February 2014 on measuring instruments):
- Annex I Essential requirements
- Annex MI-004 Heat energy meter ,
QALCOSONIC E 1 complies with the European standard EN 1434 “Heat meters” parts 1+6
QALCOSONIC E 1 fulfils “C” class environment protection requirements according to EN1434-
1:2016 Climatic ambient temperature range: from 5 ° to 55 ° C,
Humidity: condensing,
Location: closed,
Mechanical environment class: M1 , Electromagnetic environment class: E2.

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Type number combination of the heat meter :
Ratio of the flow rates (qp/qi):
Limits of temperature differences:
Code
100
(2…150 ) K
1
250**
(2…150 ) K
2
100
(3…150 ) K
3
250**
(3…150 ) K
4
Flow sensor:
Permanent flow rate, m3/h
Overall length, mm
End connection
Code
0,6
110
G ¾
1
1,0
110
G ¾
2
1,5
110
G ¾
3
1,5
130
G1
M
2,5
130
G1
4
3,5
260
G1 ¼
5
6,0
260
G1 ¼
6
10,0
300
G2
7
10,0
300
DN40
8
15,0
270
DN50
9
3,5
260
DN25
A
6,0
260
DN25
B
0,6
190
G1
C
1,0
190
G1
D
1,5
190
G1
E
2,5
190
G1
F
0,6
190
DN20
G
1,0
190
DN20
H
1,5
190
DN20
K
2,5
190
DN20
L
25
300
DN65
R
40
300
DN80
S
60
360
DN100
T
The external communication interface:
Type
Code
Type
Code
None
0
MODBUS RS485
5
M-bus
1
LON
6
CL
2
MiniBus
7
868 MHz RF module
4
BACnet
8
Power supply:
Code
3,6 V Internal battery
1
24 V AC/DC main power supply
2
The length of the flow sensor signal lead:
Code
1,2 m
1
2,5 m
2
5,0 m
5
Temperature sensors pair:
Code
None
0
DS, Pt500
1
PL, Pt500
2
Remarks: * - marked numbers are used only for order numbering (It is not used for meter marking).
** - with the exceptions of flow sensors qp0,6 m3/h; 1,0 m3/h; 3,5 m3/h.
Installation of the flow sensor:
Code
In supply pipe
1
In return pipe
2
Destination of the meter:
Code
Meter for heating (for measuring heating energy only)
1
Meter for heating and cooling
2
The maximum admissible working pressure (Nominal pressure PN):
Code
PN16
1
PN25
2
Length of temperature sensors connection cable, m (not more 5 m), example 1,5 m
Meter QALCOSONIC E1 –-----*-*-*-*-15*
Type

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2. TECHNICAL DATA
Accuracy class 2 by LST EN1434-1:2007.
Energy units kWh, MWh, GJ, Gcal
Maximum value of thermal power 5,28 MW
Flow measurement
The ratio of the permanent flow rate to the lower limit of the flow-rate (the user selects during order):
qp/qi 100 ,
or qp/qi 250 (only for flow sensors with qp 1,5 m3/h; 2,5 m3/h; 6,0 m3/h; 15 m3/h)
Flow sensor can be delivered for threaded connection (up to qp=10,0 m3/h) or flanged.
Technical data of the flow sensor are presented in table 1.1
Table 1.1
Permanent
flow rate qp,
m3/h
Upper
flow rate qs,
m3/h
Lower
flow rate qi,
m3/h
Threshold
value of flow
rate, m3/h
Overall
length L,
mm
Pressure
losses at
qp, kPa
Joining to the pipeline
(Thread –G,
flange–DN)
0,6
1,2
0,006
0,003
110
7
G3/4“
0,6
1,2
0,006
0,003
190
0,9
G1“ arba DN20
1
2
0,01
0,005
110
11,3
G3/4“
1
2
0,01
0,005
190
2,5
G1“ arba DN20
1,5
3
0,006
0,003
110
17,1
G3/4“
1,5
3
0,006
0,003
190
5,8
G1“ arba DN20
1,5
3
0,015
0,003
110
17,1
G3/4“
1,5
3
0,015
0,003
190
5,8
G1“ arba DN20
1,5
3
0,015
0,005
130
7,2
G1“
2,5
5
0,01
0,005
130
19,8
G1“
2,5
5
0,01
0,005
190
9,4
G1“ arba DN20
2,5
5
0,025
0,005
130
19,8
G1“
2,5
5
0,025
0,005
190
9,4
G1“ arba DN20
3,5
7
0,035
0,017
260
4
G1 1/4“arba DN25
6
12
0,024
0,012
260
10
G1 1/4“arba DN25
6
12
0,06
0,012
260
10
G1 1/4“arba DN25
10
20
0,04
0,02
300
18
G2“ arba DN40
10
20
0,100
0,02
300
18
G2“ arba DN40
15
30
0,06
0,03
270
12
DN50
15
30
0,15
0,03
270
12
DN50
25
50
0,1
0,05
300
20
DN65
25
50
0,25
0,05
300
20
DN65
40
80
0,16
0,08
300
18
DN80
40
80
0,4
0,08
300
18
DN80
60
120
0,24
0,12
360
18
DN100
60
120
0,6
0,12
360
18
DN100
Temperature limits of heat conveying liquid: 5 oC....130 oC.
Note: For heat conveying liquid temperature below 90 oC, the calculator can remain on the flow sensor or
be mounted on the wall.
For heat conveying liquid temperature above 90 oC the calculator must be mounted on the
wall.
Connection cable length between the calculator
and the flow sensor 1,2 m
(2,5 m or 5,0 m- according to the special order)
Maximum admissible working pressure 16 bar or 25 bar.
Behavior of the meter, when the flow rate exceeds the maximum value qs:
- At the flow rate q < 1,2 ∙ qs -linear,
- At the flow rate q > 1,2 ∙ qs - constant (q = 1,2 ∙ qs is applied to calculations of thermal energy).
The error „Maximum allowable value of flow rate is exceeded“ is registered and duration of error is calculated.
Pulse inputs (additional)
Number of pulse inputs 2
Measurement unit’s m3
Pulse value programmable

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Type of pulses IB by LST EN1434-2
Maximum permissible frequency of input pulses 3 Hz
Maximum permissible voltage of input pulses 3,6 V
Condition of maintenance of high level 3,6V via 3,3Mresistor
Temperature measurement
Temperature measuring ranges (for calculator) 0 oC....180 oC.
Temperature difference measuring range 3K......150 K* or 2 K…150 K*
Temperature sensor :
-Platinum resistance temperature sensors Pt500
(corresponding EN60751 and are selected (or Pt1000–according to the special order)
as matched pairs under requirements EN1434
and MI004 of Directive 2014/32/EU)
-For meters with threaded Direct mounted short probes type DS
connection G3/4, G1 or G1 ¼ in accordance with LST EN1434-2
-For other types of connection Pocket mounted long probes type PL
in accordance with LST EN1434-2
2-wire connection method, cable length: up to 5 m
Note: * - depending on the lower limit of the temperature difference of the connected pair of temperature
sensors.
Display (LCD)
The device is equipped with 8-digits LCD (Liquid Crystal Display) with special symbols to display
parameters, measurement units and operation modes
The following information can be displayed: integral and instantaneous measured parameters, and archive
data, and device configuration information listed in p.6.3.
Display resolution of energy: 00000001 kWh, 00000,001 MWh (Gcal or GJ)
Display resolution of volume: 00000,001 m3
Data registration and storage
Every hour, day and month values of the measured parameters are stored in memory of the meter
All data from archive can be read only by means of the remote reading (see p.6.5)
In addition data logger records of monthly parameters can be seen on the display (see p. 6.3.1)
Following hourly, daily and monthly parameter values are recorded in heat meter memory:
1
Integrated energy
2
Integrated cooling energy
3
Integrated energy of tariff 1
4
Integrated energy of tariff 2
5
Integrated volume of liquid
6
Integrated pulse value in pulse input 1
7
Integrated pulse value in pulse input 2
8
Maximum thermal power value for heating and date
9
Maximum thermal power value for cooling and date
10
Maximum flow rate value and date
11
Maximum value of flow temperature of heat conveying liquid and date
12
Maximum value of return temperature of heat conveying liquid and date
13
Minimum value of flow temperature of heat conveying liquid and date
14
Minimum value of return temperature of heat conveying liquid and date
15
Minimum value of temperature difference and date
16
Average value of flow temperature of heat conveying liquid
17
Average value of return temperature of heat conveying liquid
18
Operating time without an error of thermal energy calculation
19
Total error code
20
Time when the flow rate exceeded 1.2 qs
21
Time when the flow rate was less than qi
Data logger capacity:
up to 1480 h –for hourly records.
up to 1130 days -. for daily records,
up to 36 last months -. for monthly records,
Archive data storage time not less than 36 months
Storage time of measured integrated parameters
even if device is disconnected from power supply: not less than 15 years

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External communication modules and interfaces
Optical interface
Integrated into the front panel of calculator. It is designed for data reading via M-bus protocol and
parameterization of the meter.
The optical interface starts work (is activated) only after pressing control button and automatically shuts
down after 5 minutes, after the last pressing any button or after completing data transmission via interface.
Optional plug in modules
M-Bus module
CL module (Current loop)
MODBUS RS485 module
LON module
RF module 868 MHz
MiniBus module
BACnet module
It is designed for data reading via M-bus protocol and parameterization of the meter.
If meter is powered from internal battery - the total working time of serial communication interface is limited up to
200 minutes per month ( for protection of the battery against premature discharge). Unused limit of communications
are summarized. The interface is blocked after the expiration of a limit and only after change of the hour, the new
time limit of communications will be given (for 16 seconds for each next hour).
Pulse outputs
Pulse outputs 2 (OB-normal mode, OD-test mode)
Type: open collector, permissible current up to 20mA,
voltage up to 50V.
Pulse duration: 125 ms –in the normal operating mode,
1.2 ms –in the test mode
Pulse values (energy and volume) on pulse output device in the operating mode as specified in the table
below :
- energy pulse output values:
Energy units
„MWh“
„GJ“
„Gcal“
Pulse value of thermal energy
1 kWh/pulse
0,005 GJ/pulse
0,001 Gcal/pulse
- flow (volume) pulse output values:
Permanent flow rate, qp, m3/h
0,6 ... 6
10 …60
Pulse value, l/pulse
1
10
Supply voltage
Internal battery size AA, 3,6 V, 2,4 Ah, lithium battery (Li-SOCl2)
service life not less than 11 years
External power supply 12 V…42 V DC or 12 V…36 V,50/60 Hz AC,10 mA max
+ internal backup battery: size AA, 3,6 V, 2,4 Ah, lithium battery
(Li-SOCl2) service life not less than 11 years (without data reading via a
digital interface) –for powering of the meter, when the external power
supply is turned off.
External power supply module is mounted inside in the meter.
Mechanical data :
Dimensions of calculator 117 mm x 44 mm x 89,5 mm,
Dimensions of flow sensors According to Annex B
Weight:
Connection type of flow sensor
Weight of meter, not more than, kg
G3/4“ (110 mm)
0,7
G1“ (110 mm)
0,7
G1“ (130 mm)
0,8
G1“ (190 mm)
0,9
DN20 (190 mm)
2,5

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G1 ¼“
3,2
DN25
5,6
G2“
3,7
DN40
6,8
DN50
8,5
DN65
13
DN80
15
DN100
18
Environmental class Meets EN1434 class C
Ambient temperature:
Calculator at +5 oC to +55 oC
(condensing, indoor installation)
Flow sensors at -30 oC to 55 oC
Relative humidity < 93 
Mechanical environment class: M1
Electromagnetic environment class: E2
Protection class of calculator enclosure IP65
Protection class of flow sensor enclosure IP65 (IP67 –by special ordering)
3. OPERATING PRINCIPLE
The flow measuring principle is based on ultrasonic measurement method. The ultrasonic signal along the
measuring section moves many times before, and the flow downstream between the ultrasonic sensors have to
perform transmitter and receiver functions. From the resulting time difference the flow rate is calculated.
The liquid temperature is measured with standard platinum resistance temperature sensors Pt500 or
Pt1000. Pairs of temperature sensors with 2-wire connection method for measurement temperatures on flow and
return pipelines are used. Flow and return temperature sensors can be replaced only in pairs.
Energy calculation formulas:
- Flow sensor in flow pipe
Q = V1

ρ1

(hT1-hT2)
- Flow sensor in return pipe
Q = V1

ρ2

(hT1-hT2)
There: Q –thermal energy,
V1 –Water volume, m3
ρ1ρ2 –Water densities, according to supplied and return water temperatures 1, 2
hT1,hT2 –The enthalpies, according to water temperatures 1, 2
When function of cooling energy is made active and at negative temperature difference, the energy for
cooling will be registered and in the additional tariff register:
∑Q = Q 1 + Q 2
- Flow sensor in flow pipe: When Θ1 > Θ2: Q1=V11(hT1-hT2), Q2=0
When Θ1< Θ2: Q2=V11(hT2-hT1), Q1=0
- Flow sensor in return pipe:
When Θ1 > Θ2: Q1=V12(hT1-hT2), Q2=0
When Θ1< Θ2: Q2=V12(hT2-hT1), Q1=0
Heat meter calculator provides all the necessary measurements and data storage functions.
4. MARKING AND SEALING
4.1.Marking
Calculator
There are following information on the front panel of calculator - manufacturer’s trade mark , type of meter,
serial number, year of manufacture, EC-type examination certificate number, limits of the temperature, limits of the
temperature differences, accuracy class, environmental class by LST EN1434-1, electromagnetic and mechanical
environmental class, enclosure protection class, type of temperature sensors, flow sensor installation site (flow or
return pipe), the limiting values of the flow rate(qi,qp,qs), maximum temperature range for flow sensor , the
maximum admissible working pressure, nominal pressure, voltage level for power supply and logo of distributor (if
applicable).

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Numbers of terminal pins are marked close to the terminal
Flow sensor
There are following information on the flow sensor:
-connection type to the pipeline (Thread –G, flange–DN)
- arrow for indication of a flow direction
4.2. Security seals
The following heat meter calculator sealing is provided:
- Manufacturer adhesive seal-sticker on the access to the adjustment activation jumper (see Annex C,
Fig.C1, pos.1).
-Manufacturer adhesive seal-sticker on the fixer of the cover protecting electronic module (see Annex
C, Fig.C1, pos.2).
The following flow sensor sealing is provided:
-Manufacturer adhesive seal-sticker on the bolts of protective cover of flow sensor (see Annex C,
Fig.C2 pos.1).
Mounting seal:
- After installation the case and cover of the calculator are sealed with 2 hanged seals of heat supplier
(see Annex C, Fig.C1, pos.3)
- Seals on the protective cover and mounting bolt of temperature sensors (see Annex C, Fig.C3).
The meter must be sealed to ensure that after the installation, it is not possibility of dismantle, remove or
altering the meter without evident damage on the meter or the seal.
5. INSTALLATION
5.1. Basic requirements
Heat meter is designed for installation in heating or combined heating and cooling systems.
Before installing the device:
- check if all parts listed in the documentation are available,
- check if there are no visible mechanical defects,
- check if there are valid labels of manufacturer and certification authority.
Only qualified personnel may install the equipment, following the requirements listed in this document, in
technical documentation of other system components and in heat meter installation project
It is forbidden to wire signal cables nearby (less than 5 cm) with power cables or cables of other devices.
It is forbidden to change length of a cable.
5.2. Electrical wiring
5.2.1. Temperature sensor connection:
Factory installed sensors
With factory-installed sensors do not split, shorten or extend the cables. If the screw terminals are
accessible on the calculator, to facilities installation cables can be temporarily disconnected from the terminals and
reconnected afterwards.
Customer sensors
Only approved and matching pairs of temperature sensors with two wire connection method are to be
used. Connection of the customer temperature sensors:
Before installation check that the temperature sensors are paired with each other (T1 to T2)
By means of tweezers remove protective knolls from sealant holes 1 and 2 at left side of calculator
Run the wire of flow temperature sensor T1 through the hole 1 and the wire of return temperature
sensor T2 through the hole 2.
Use two wire connection method for temperature sensors connection –T1 connect to the terminals 5/6,
T2 - connect to the terminals 7/8 as shown in Annex B, Figure B1.
. 5.2.2. Installation of additional communication modules
In the bottom, right-hand corner of the calculator, communication module can be installed and must by
connected. Connector of the communication module is set in a calculator connector. The module is fastening with
two screws
Connection of the communication module (except the module RF):
By means of tweezers remove a protective knoll from not used sealant hole of calculator
Run the wire through the hole and fix as shown in Annex B, Figure B1.
Connect a wire to the module under the scheme specified on the module.

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5.3 Mounting
5.3.1. Mounting of calculator
Heat meter calculator may be installed in heated premises, working ambient temperature shall be not more
than 55 ° C. It may not be exposed to direct sunlight.
Calculator can be mounted in several different ways:
- Wall mounting, without possibility sealing of mounting
- Wall mounting, with possibility sealing of mounting
-Mounting on standard DIN-rail
-Panel mounting
- Direct mounting on ultrasonic flow sensor housing, turning every 90o(only when the temperature of the
flow does not exceed 90 ° C):
a) On the flow sensor with a thread connection
b) On the flow sensor with flange connection
- On the wall:
- Panel mounting on standard DIN-rail.

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- Adapter plate according to figure 8 of EN1434-2:2007 for wall mounting of calculator can be used (if the aperture
in the wall is too large for the calculator) :
 Important: It is forbidden to attach the calculator directly to a wall if there is a risk that on walls can be
condensed humidity or temperature of a surface of a wall can fall lower than 5 °. In this case, it is
recommended to attach the calculator so that between it and wall surfaces there was an air gap not
less than 5 cm.
5.3.2. Mounting of flow sensors
Sizes and mounting dimensions of flow sensors are provided in Annex B.
Requirements for flow sensor installation in pipeline:
For flow sensors of the heat meter with nominal diameter DN65 to DN100 necessary straight pipeline
length in upstream direction are 5 x DN and in downstream direction - 3 x DN. For flow sensors of other sizes
the straight pipelines installation in upstream and downstream are not necessary.
Avoid the flow sensor installation near after the pumps which can cause cavitations.
Flow sensor can be mounted in horizontal, vertical or inclined positions in return or flow. Necessary
condition in normal working mode: pipeline must be under pressure and fully filled with heat conveying liquid.
The location and position of the flow sensor must be selected in such a way as to reduce the risk of
accumulation of air bubbles in the zone of ultrasonic sensors (Fig. 5.1).
a) Permissible installation position b) The installation position is prohibited.
(the air bubbles may accumulate)
Fig.5.1. Mounting Position of the flow sensors qp 3,5 m3/h... qp 60 m3/h

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The direction of the sensor installation (is indicated with the arrow on the label of flow sensor) must match with the
flow direction in pipeline.
Before installing the flow sensor, rinse the pipe well; mount the spacer for this purpose.
The flange gaskets must match with the pipe diameter. During the installation gasket must be exactly
centered with the center of the pipe cross-section to avoid sticking out gaskets inside the pipe.
It is forbidden to wire flow sensor signal cables nearby (less than 5 cm) with power cables or cables of
other devices.
5.3.3. Mounting of temperature sensors
Temperature sensors are mounted by head upwards, is perpendicular to the pipe axis or inclined by 45 °
angle on fluid flow direction so that the sensing element has been inserted in medium at least up to the pipe axis or
beyond (as shown in Annex C).
For meters with flow sensor joining G3 / 4 ', G1, and G1 ¼' – one temperature sensor is mounted in the
flow sensor housing.
It is forbidden to wire signal cables of temperature sensors nearby (less than 5 cm) with power cables or
cables of other devices.
5.4. Setting up the jumpers (J)
The connector J is on the calculator plate between the temperature sensors and pulse input / output
connection terminals (Figure A1). Joining or leaving open the connector contacts, you can choose the normal or
verification (test) mode, activate the pulse inputs or outputs:
Fig. 6.1. Definition of jumpers
5.5. Verification of installation and set-up
After installing the heat meter, let measured fluid flow through the flow sensor. Measured parameter values
should be indicated on the display, if the heat meter (calculating unit, flow and temperature sensors) is installed
correctly. If measured parameter values are not displayed correctly, it is necessary to verify the installation.
5.6. Sealing after installation
The meter must be sealed according to p.4.2 to ensure that after the installation, it is not possibility of
dismantle, remove or altering the meter without evident damage on the meter or the seal.
Mounting seal:
- Hanging seal on the junction between upper and lower part of the housing of the calculator (see Annex
C, Fig.C1)
- Seals on the protective cover and mounting bolt of temperature sensors (see Annex C, Fig.C3).
- Connection of flow sensor with the pipeline should be sealed in addition.
Jumper is not set (contacts are opened)
Jumper is set (contacts are connected)
NORMAL MODE
VERIFICATION (TEST) MODE
The first pulse output is active
( terminals 52,53)
The first pulse intput is active
(terminals 52,53)
( Jumper must be removed when operating in
TEST mode)
The second pulse output is active
(terminals 50,51)
The second pulse intput is active
(terminals 50,51)
( Jumper must be removed when operating in
TEST mode)

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6. OPERATION
The information can be displayed using control button which are on
the top of the calculator
Display function
The calculator of heat meter is equipped with 8-digits LCD (Liquid Crystal Display) with special symbols to
display parameters, measurement units and operation modes.
Destination of the special symbols:
→
- the flow is flowing forward (right direction)
←
- the flow is flowing backwards
arrow is not displayed
- the flow does not flow
Destination of the other symbols are described in sections 6.3.1...6.3.3
The following information can be displayed:
- integral and instantaneous measured parameters,
- archive data and set day data,
- device configuration information,
The display constantly shows the total thermal energy.
Control button

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6.3. Menu structure
The menu structure in a normal operating mode is presented in the Fig 6.1
Fig. 6.1 Viewing the readings in normal mode.
Integral parameters values (1.2) or–if at least one error has been detected –error code (1.1) are displayed if the
button has not been pressed for more than 60 seconds.
(INT - integral parameters, BIL –statistical data, INF- informative parameters
- long press (3 s) - shift to the right
- short press(3 s) –shift down)

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6.3.1. Viewing the readings in normal mode (Users menu)
Remark: Here the full list of shown parameters is represented. For the specific meter it can be reduced
ID
Parameter
Value
Description
1.1
Error code with data stamp of starting of
error
Are shown only at an error in meter
work
INT INF BIL
INT INF BIL
INT INF BIL
All three displays, will be displayed
in turns in one second interval
INT INF BIL
Flow errors
Temperature 1 errors
Temperature 2 errors
Calculator errors
Description of Error codes is
presented in p. 6.3.3
1.2
Energy for heating
1.3
Energy for cooling
Are shows only in the heating and
cooling energy meters
1.4
Integrated energy of tariff 1
INT INF BIL
"Snowflake" indicates that the tariff
is linked to the meter of cooling
energy
1.5
Integrated energy of tariff 2
INT INF BIL
"Snowflake" indicates that the tariff
is linked to the meter of cooling
energy
1.6
Integrated quantity of heat-conveying
liquid
INT INF BIL
1.7
Integrated reading of pulse input 1
INT INF BIL
The additional flow sensor can be
connected to a pulse input 1
1.8
Integrated reading of pulse input 2
INT INF BIL
The additional flow sensor can be
connected to a pulse input 2
1.9
Segment test
INT INF BIL
INT INF BIL
changes each 1 second
1.10
Working hours without a energy
calculation error
INT INF BIL
1.11
Customer number
INT INF BIL
Corresponds to a wire transmission
via MBus protocol
1.12
Control number
INT INF BIL
2.1
Quantity of thermal energy on set day
with date stamp
INT INF BIL
Changing with date stamp every 1
second

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INT INF BIL
2.2
Quantity of thermal energy for cooling
on set day with date stamp
INT INF BIL
INT INF BIL
When meter is intended for heating
and cooling, the two separate
displays are shown.
Changing with date stamp every 1
second
2.3
Tariff register 1 on set day with date
stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.4
Tariff register 2 on set day with date
stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.5
Volume of liquid on set day with date
stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.6
1st pulse input pulse value on set day
with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.7
2nd pulse input pulse value on set day
with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.8
Quantity of thermal energy on set day
of previous month with date stamp
INT INF BIL
INT INF BIL
The user chooses set day in the
month according to needs.
(If it is set up 31, the data will be
recorded in the last day of the
month)
Registration Time: 23:59:59
2.9
Quantity of thermal energy for cooling
on set day of previous month with date
stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second

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2.10
Tariff register 1 on set day of previous
month with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.11
Tariff register 2 on set day of previous
month with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.12
Volume of liquid on set day of previous
month with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.13
1st pulse input pulse value on set day
of previous month with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.14
2nd pulse input pulse value on set day
of previous month with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.15
Maximum Power of previous month with
date stamp
INT INF BIL
Changing with date stamp every 1
second
2.16
Minimum Power (or
maximum Power for cooling) of previous
month with date stamp
INT INF BIL
Changing with date stamp every 1
second
2.17
Maximum flow rate of previous month
with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.18
Maximum temperature in flow pipe of
previous month with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second

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2.19
Maximum temperature in return pipe of
previous month with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.20
Maximum temperature difference of
previous month with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.21
Minimum temperature in flow pipe of
previous month with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.22
Minimum temperature in return pipe of
previous month with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.23
Minimum temperature difference of
previous month with date stamp
INT INF BIL
INT INF BIL
Changing with date stamp every 1
second
2.24 …
2.590
The data of previous months with date
stamp (up to 36 previous months)
By nalogy
ID 2.8 ... 2.23
During installation of the meter, it is
possible to choose: to display the
data of the previous month only, to
display the data of the last two
months or to display the data of all
36 previous months *
3.1
Thermal power
3.2
Flow rate
3.3
Temperature in flow pipe
INT INF BIL
3.4
Temperature in return pipe
INT INF BIL
3.5
Temperature difference
INT INF BIL
3.6*
Next replacement date of the battery
INT INF BIL

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3.7*
Real time calendar
INT INF BIL
3.8*
Real time clock
INT INF BIL
3.9*
Yearly set day
INT INF BIL
3.10*
Monthly set day
INT INF BIL
3.11*
Tariff 1
Tariff 1, when
T1-T2 < 10.0 oC
INT INF BIL
Or >10.0 oC
INT INF BIL
Or in interval from
10.0 to 40.0oC
(changes each 1 s.)
INT INF BIL
INT INF BIL
Or there is the time
interval in hours (00-
24h.)
INT INF BIL
Or tariff is activated
directly by pulse
input:
INT INF BIL
It is possible to choose:
One of the measured parameters,
1st or 2nd pulse input (if it is
configured as an input),
one of the temperature
or the temperature difference.
3.12*
Tariff 2
Similarly ID 3.11,
only „L1“,changes in
the „L2“
See 3.11
3.13*
1st pulse input/output configuration
Input:
INT INF BIL
Input (tariff
activation):
INT INF BIL
Outputs:
energy,
quantity of liquid
Inputs:
Can be configured only for a
quantity of water. Maximum pulse
resolution is displayed 0.00001 m3.
Outputs:
Can be configured for a quantity of
water (m3),
for heating (In a shown case) /
cooling(additional snowflake is
displayed) energy or to one of
tariffs.

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INT INF BIL
Tariff
INT INF BIL
INT INF BIL
Tariff condition:
INT INF BIL
3.14*
2nd pulse input/output configuration
Similarly ID 3.13,
only „1“,changes in
the „2“
See 3.13
3.15
Type of heat-conveying liquid
Type of heat-conveying liquid:
“---“ (crosses) - water
3.16
Pressure value for energy calculations
"160E4"-corresponds to the
pressure 1.6 MPa
3.17*
Customer number
INT INF BIL
Are transferred on telegram Mbus
3.18
Software version number
3.19
Serial number
3.20*
MBus adress
INT INF BIL
3.21
Working hours without a power
calculation error
INT INF BIL
3.22*
Battery operation time
INT INF BIL
Remark: Values of the parameters marked with "*" and energy measurement units (kWh, MWh, Gcal or GJ)
can be modified by installing a meter. Replacement is possible via optical interface and in conjunction with the
special configuration programme in a test mode, when jumper is set ( see p.6.4).
In the same way it is possible to switch off indication of irrelevant parameters.
6.3.2. Viewing the readings in TEST mode (Service menu)
The menu structure in a test mode is presented in the Fig 6.2