Landis+Gyr Ultracold T550 Manual Download Page 32

Page: 32 / 39

Error messages

32/39

Error messages

The calculator continuously runs a self-diagnosis and can thus recognise and
display various installation or meter error messages.

Error

code

Error

Service guidelines

DIFF

nEG

Negative temperature differ-
ence

Check installation point of the tem-
perature sensors; exchange if nec-
essary

if necessary in exchange with:

Interruption in the hot side
temperature sensor

Check hot side temperature sen-
sors; replace if necessary

Interruption in the cold side
temperature sensor

Check cold side temperature sen-
sors; replace if necessary

Electronics for temperature
evaluation defective

Exchange the calculator

Problem with the power
supply; Battery flat;

Check connection; Change battery

Short-circuit hot side tem-
perature sensor

Check hot side temperature sen-
sors; replace if necessary

Short-circuit cold side tem-
perature sensor

Check cold side temperature sen-
sors; replace if necessary

Fault in internal memory
holding

Exchange the calculator

Fault in the electronics

Exchange the calculator

Note: All error messages are deleted automatically once the error
has been rectified.

Summary of Contents for Ultracold T550

Page 1: ...ULTRAHEAT T550 UC50 ULTRACOLD T550 UC50 Technical description 32 19 101 001 a Datum 05 05 2015 Landis Gyr GmbH Calculator T550 UC50 Residential district heating local heating plant ...

Page 2: ...unication modules coincidental Optical interface according to EN 62056 21 2003 Power measurement with maximum values tariffs selectable Data logger for system monitoring 60 monthly values Logbook Battery or mains operated Self diagnostics Available for order as cooling meter calculator with German national approval Available for order with one time adjustable pulse value and mounting place of the ...

Page 3: ...ity rating ___________________________________________________ 18 9 Power supply ___________________________________________________________ 18 Automatic power supply detection____________________________________________18 Power supply requirements_________________________________________________19 Power supply modules ____________________________________________________19 10 Communication _______...

Page 4: ..._____________________________32 13 Log functions ___________________________________________________________33 14 Data logger optional _____________________________________________________34 15 Additional options _______________________________________________________35 16 Order codes type number key _____________________________________________36 17 Additional ordering information on radio module...

Page 5: ... flow sensor The tem peratures of the hot and cold sides are determined using platinum resistors The volume of water and the temperature difference between hot and cold side are then calculated and the product is summated The result is that the quantity of thermal energy consumed is displayed in the units kWh MWh or MJ GJ Other available documentations Operating instructions T550 UC50 Installation...

Page 6: ...and re placed As far as disposal is concerned the calculator is a waste electronic appliance in the sense of European Directive 2012 19 EU WEEE and it must not be disposed of as domestic waste Dispose of the meter through the channels provided for this purpose Respect the local and currently valid legislation Dispose of used batteries at the collection points pro vided for them The calculator may ...

Page 7: ...ss Line 110 230 V AC II according to EN 61558 Line 24 V ACDC III according to EN 61558 Operation threshold f T 0 2 K Temperature difference T 3 K 120 K Temperature measurement range 0 180 C LCD 7 digit Optical interface Standard EN 62056 21 Communication Optional e g M Bus Separability Always optional cable length Battery 3 6 V DC Lithium Power supply 230 110 V AC 50 60 Hz 24 V AC DC 50 60 Hz Powe...

Page 8: ...flow Note At a cooling meter calculator the mounting place of the flow sensor hot side is equivalent to the return The mounting place of the flow sensor cold side is equivalent to flow Attention Calculators with one time adjustable pulse value and adaptable mounting place being characterized by Attention At calculators with one time adjustable pulse value the pulse value must be adjusted during co...

Page 9: ...e outside through the 2nd sleeve from the left and the return sensor through the 3rd sleeve from the left Strip both wires as in the figure 3 wire end ferrules Fig 3 Connect the cores in line with the inscription printed on the meter The 2 wire connection occurs on terminal 5 6 and 7 8 This also applies to a connection of 2 wire temperature sensors on a 4 wire connection terminal Note Do not conne...

Page 10: ...al on the left spring type terminal If the line has a shielding braid push the shielding braid covering over the counter covering of the cable For stain relief fix the line on the outer sheath by a clamp Note The shielding braid must not be connected to T550 UC50 when the flow sensor has its own ground connection Note The cage clamp terminals can be used for cable cross section of 0 5 1 5 mm solid...

Page 11: ...Dimension of electronic unit 11 39 5 Dimension of electronic unit Fig 5 Dimensions of electronic unit Fig 6 Plan view and cross section of adapter plate ...

Page 12: ...e button To call up the pa rameterisation op eration of the me ter Accessible after removing the cover 2 Button 2 Switches to the next display value within a loop 3 Button 1 Switches to the next loop 4 Optical interface Permits data com munication via a computer with the necessary service software 1 2 3 4 ...

Page 13: ...epending on the appliance parameterisation Certain button functions can also be blocked Display values LOOPs User loop Service loop 1 Service loop 2 User loop After the last loop is displayed the user loop LOOP 0 comes up again User loop LOOP 0 The LCD shows the following values one after the other Head of the loop In case of error message with error code Energy accumulated with tariff status Tari...

Page 14: ...difference Volume pulse Volume at energy calculation Operating time Missing time Property number M Bus secondary address Date Yearly set day DD MM Energy previous year on set day at 2 sec cycles with date Tariff register 1 2 3 previous year on set day 1 Volume previous year on set day at 2 sec cycles with date Volume pulse input 1 2 at 2 sec cycles with volume previous year Volume pulse input 2 2 ...

Page 15: ...ow sensor hot side is equivalent to the return The mount ing place of the flow sensor cold side is equivalent to flow Service loop 3 LOOP 3 Service loop 3 displays the monthly values In order to display the monthly values press button 2 The set day of the current month is displayed To select the desired month press button 1 Head of the loop Set day for July 2011 To request the associated values pr...

Page 16: ... appliance parameters The LCD displays the following values one after the other Head of the loop Current tariff 1 2 3 1 in 2 sec cycles with threshold value 1 Module 1 M Bus module M Bus primary address 1 M Bus secondary address 8 digit Module 2 pulse module Channel 1 energy Channel 2 volume in 2 sec cycles Value for energy pulses Value for volume pulses Pulse duration in ms Parameter pulse input ...

Page 17: ... Temperature cold side The monthly values can be read via the optical interface Note Central European Time CET applies as the standard time During summer time the storage takes place at the corresponding times 7 Parameterisation of pulse value and mounting place of flow sensor Attention Calculators with one time adjustable pulse value and adaptable mounting place being characterized by The pulse v...

Page 18: ... 000001 Note Calculators up to 2 5 l p can be parameterized to kWh Cal culators up to 1 l p can be parameterized to MJ The pulse values are restricted by following connecting conditions Pulse Max power Max flow l p MW m h 1 3 3 24 2 5 3 3 24 10 33 240 25 33 240 100 330 2400 250 330 2400 1 000 330 2400 2 500 330 2400 9 Power supply The calculator can be supplied with power via a battery supply modu...

Page 19: ...supply modules General Pollution degree per EN 61010 no or only dry non conductive soiling Ambient temperature 5 55 C Storage temperature 20 60 C Back up time during power failure power reserve 20 minutes 24 V safety extra low voltage Voltage 12 36 V AC or 12 42 V DC Frequency 50 60 Hz or DC Galvanic isolation 1000 V DC Power consumption maximal 0 8 VA Terminals for connecting cable 2 x 1 5 mm abo...

Page 20: ...ion modules Pulse module M Bus module G2 M Bus module G4 M Bus module G4 MI with 2 pulse inputs Analog module Radio module 433 MHz for existing systems Radio module 868 MHz GSM module GPRS module ZigBee module These modules do not have an effect on the measurement You can retrofit the modules at any time without damaging the security seal Note You will find the technical details and data on commun...

Page 21: ...yes 1 yes yes yes yes yes MB MI yes yes yes yes yes yes yes 1 no no yes yes no CL yes yes yes yes 1 yes 1 yes 1 no yes yes yes yes yes Restrictions only 1 module with fast pulses is possible only permissible on slot 2 min pulse duration 2 ms if pulse module 1 not fitted 5 ms if pulse module 1 fitted Subsequent mounting of a further pulse module in module slot 1 can result in changed output values ...

Page 22: ... the output of pulses that can be derived from the quantity of heat the volume tariff register 1 tariff register 2 or the mistake sta tus Two channels are available whose functions can be parameterized with the service software Output takes the form of standard pulses or fast pulses The pulse duration is identical for channel 1 and channel 2 Labelling pulse module Display in LCD CE C2 CV CT or RI ...

Page 23: ...possible voltage supply from the M bus connection the MI module is equipped with a battery This powers the module processor and the pulse input if no M bus voltage is ap plied M Bus Standard EN 1434 3 EN 13757 2 3 Protocol EN 60870 5 Electrical isolation from calculator yes from the pulse inputs no Connection strip back length 5 mm Connection capacity rigid or flexible 0 25 0 75 mm flexible with w...

Page 24: ...se input open high Switching threshold high unconnected collector Resistance 6 MΩ Connection Strip back length 5 mm Connection capacity rigid or flexible 0 25 0 75 mm flexible with wire end ferrule 0 25 0 75 mm Permissible cable length max 10 m 10 4 Analog module The analog module converts the measured value from the meter to an analog signal Power supply range 12 30 V AC 12 42 V AC Power supply p...

Page 25: ...Bm Receive frequency 868 30 MHz 868 00 MHz up to 869 60 MHz Range free field up to 400 m inside buildings e g horizontally 30 m Power supply via calculator Battery type D via power supply 110 230 24 V Standard EN13757 2 4 1 Open Metering System 2 Dutch Smart Metering Requirements Depending on the structure of the building can deviate significantly Battery power supply depends on the kind of the da...

Page 26: ...trength at the installation point Pulse input Number of pulse inputs 2 pulse inputs Standard for pulse inputs Class IB per EN 1434 2 Frequency max 10 Hz Pulse duration low 50 ms No pulse duration high 50 ms Pulse value 0 01 litres pulse in steps of 10 000 00 litres pulse in steps of 0 01 litres pulse Electrical isolation yes pulse inputs I1 and I2 with common grounding Output voltage approx 3 3 V ...

Page 27: ...r consumption Max 2 5 VA Power consumption Nom 1 VA Installation overvoltage CAT 2 GPRS Class 12 Band 850 9000 1800 1900 MHz Operating temperature range 30 to 55 C Storage temperature range 40 to 85 C Operating humidity max 80 RH Pollution Grade 2 Operating altitude 0 2000 m Indoor use only Yes LED Indication green yellow red M Bus standard 13757 M Bus baud rate 300 and 2400 Bit s Transparent M Bu...

Page 28: ...y with Trust Centre in order to transmit measured values Standard IEE 802 15 4 Protocol ZigBee Pro Smart Energy SE 1 1 End Point Device Frequency 2 4 GHz 16 5MHz channels Chipset Ember EM 357 Standby current 1 µA type Rx Tx current 25 mA 31 mA type Rx sensitivity typ up to 101 dBm Tx power typ up to 8 dBm Interface description TKB 3466 ...

Page 29: ... Fig 8 Summation in the relevant tariff register is only performed if the relevant threshold is exceeded Threshold 1 exceeded Summation in tariff register 1 Thresholds 1 and 2 exceeded Summation in tariff register 2 Thresholds 1 2 and 3 exceeded Summation in tariff register 3 Supplied quantity of energy tariff T7 In tariff register 1 a quantity of energy is summated that is calculated from the tem...

Page 30: ...evant M bus command one of the 3 tariffs can be acti vated or all tariffs can be deactivated Surcharge quantity tariff by means of return temperature tariff T12 The quantity of energy is summated depending on the temperature cold side in tariff registers 1 or 2 The summated quantity of energy is calculated from the difference of the tem perature cold side from the defined return temperature thresh...

Page 31: ... 2sec cycles for T10 switching times in 2 sec cycles for T11 for T12 The contents of the tariff registers are displayed in the user loop after the quantity of energy For tariffs T2 T3 T4 T5 T6 T10 T11 and T12 tariff register 1 tariff register 2 tariff register 3 not for T12 for tariff T7 for tariff T8 for tariff T9 ...

Page 32: ... Interruption in the cold side temperature sensor Check cold side temperature sen sors replace if necessary F3 Electronics for temperature evaluation defective Exchange the calculator F4 Problem with the power supply Battery flat Check connection Change battery F5 Short circuit hot side tem perature sensor Check hot side temperature sen sors replace if necessary F6 Short circuit cold side tem pera...

Page 33: ...the current month and for the past 18 months without time stamp Ser Nr Description 2 F1 Interruption temperature sensor hot side 3 F2 Interruption temperature sensor cold side 4 F3 Error temperature electronics 5 F5 Short circuit temperature sensor hot side 6 F6 Short circuit temperature sensor cold side 8 F9 ASIC error 13 Line voltage off 14 CRC error occurred 15 Adjustment values parameterized 1...

Page 34: ...asuring period than 1 hour the largest value from the max imum values calculated within one hour applies Note Parameterisation and read out are performed with the service software Note Data transmission is in a manufacturer specific format Value set for data to be recorded Meter readings at the end of the period for Quantity of energy Tariff register 1 2 3 Volume Operating duration Fault duration ...

Page 35: ...logger Available for order as cooling meter calculator with German national approval Combined heat cooling meter calculator Available for order for liquid mixtures e g glycol water Available for order with one time adjustable pulse value and mounting place of the flow sensor ...

Page 36: ...easurement medium glycol four wire technology mounting place of flow sensor cold side return 1 9 2 Pulse value Code One time adjustable pulse value 00 Pulse value1 l pulse 01 Pulse value 2 5 l pulse 02 Pulse value 10 l pulse 03 Pulse value 25 l pulse 04 Pulse value 100 l pulse 05 Pulse value 250 l pulse 06 Pulse value 1000 l pulse 07 Pulse value 2500 l pulse 08 3 Pulse frequency Code Maximal pulse...

Page 37: ...M Bus module G4 M Pulse module standard P ZigBee module S Radio module 433 MHz R Radio module 433 MHz with external antenna X 11 Data logger Code Without data logger 0 Data logger with 8 channels 8 12 Calibration conformity Code Compliant acc to national regulations CL Compliant to MID class 2 M2 Compliant with CEN 1434 class 2 T2 Compliant acc to national regulations TL 13 Energy unit Code Displa...

Page 38: ...rypted time set 1 OMS wireless M Bus 2 Radio DSMR compliant with unen crypted time set 4 Radio DSMR similar for pre binding on dongle with unencrypted time set 5 2 Sending interval Code Code Sending interval of 15 minutes 0 Sending interval of 30 seconds 2 Sending interval of 1 minutes 3 Sending interval of 5 minutes 4 Sending interval of 12 hours 6 Sending interval of 60 minutes 7 7 Sending inter...

Page 39: ...pylene Glykol 40 28 Tyfocor L 50 07 1 2 Propylene Glykol 50 29 Antifrogen N 30 08 Fernox HP 5c 20 31 Antifrogen N 40 09 Fernox HP 5c 30 32 Antifrogen N 50 10 Antifrogen N 20 33 Antifrogen L 30 11 1 2 Propylene Glycol 20 34 Antifrogen L 40 12 Dowcal 100 30 35 Antifrogen L 50 13 Dowcal 100 40 36 Antifrogen SOL 14 Dowcal 100 50 37 Dowcal 10 30 15 Ethanol 20 38 Dowcal 10 40 16 Ethanol 30 39 Dowcal 10 ...

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