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User information cycle 

The heat meter is equipped with an LCD display. The display is activated by pressing the key on the front.

By repeatedly pressing the key briefly, it is possible to scroll through the various information windows. Press and hold the key corresponding to some 

of the screens to access additional information.

0

0

0

Heating energy

Cooling energy

1

st

 DHW pulse consumption

DHW overall consumption with optional 

code 755826

2

nd

 DCW pulse consumption

3

rd

 pulse consumption with optional 

code 755825

Flow rate

Power

Flow temperature

Return temperature

Temperature difference

DHW flow rate with optional 

code 755826

Today’s date

Current time

BUS network address (IDB)

Serial number/secondary address

Transmission Baudrate

Water meter position

Weight of the pulse, flow meter

Check sum

Segment test

Meter product code

Configuration string

4

th

 pulse consumption with 2 x optional 

code 755825

Monthly log - dates

Daily log - dates

Log data

Log data

Enabled with

optional code

0

Check secondary sum

Change IDB

7

Summary of Contents for CONTECA EASY ULTRA

Page 1: ...culator unit an ultrasonic flow meter and two temperature probes The CONTECA EASY ULTRA meter is extremely simple to install and requires no special maintenance The flow is measured using the two way...

Page 2: ...h l h l h C kWh PN Qp Qi Qs m m C K C 90 preferably horizontal class OA OC in accordance with EN1434 2 see table 1 and 2 see table 1 and 2 see table 1 and 2 lithium battery life 12 years p Code The CO...

Page 3: ...e while the return probe blue label should be on the return pipe At the end of the installation process the main heat meter components electronics unit temperature probes and volume meter should under...

Page 4: ...protect the volume meter By observing the instant flow rate and flow return temperature difference values significantly lower flow rate compared to the nominal value and significantly higher temperat...

Page 5: ...duration 120 ms Vmax 24 V dc 50 mA 755882 2 3 OUT 1 Open collector pulse output for HEATING units GND 2 duration 120 ms Vmax 24 V dc 50 mA 755881 755882 4 NOT used 5 6 IN 4 fourth pulse input generic...

Page 6: ...input blue wire white wire Enery pulse outputs codes 755881 755882 2 3 Remote heating units totaliser output kWh OC type 1 2 Remote cooling units totaliser output kWh OC type These outputs can be conn...

Page 7: ...ption with optional code 755826 2nd DCW pulse consumption 3rd pulse consumption with optional code 755825 Flow rate Power Flow temperature Return temperature Temperature difference DHW flow rate with...

Page 8: ...change K V volume change l V N P where N number of pulses P single pulse value per litre Operating specifications 1 In order to protect against spurious measurements or undesired metering the meterin...

Page 9: ...ass the thread through the hole on the probe and the pocket and twist it E Wind the thread as illustrated in the figure so that once lead sealing is complete the cap cannot be unscrewed without breaki...

Page 10: ...bob D Pass the thread through the hole on the probe and the pocket and twist it E Wind the thread as illustrated in the figure so that once lead sealing is complete the cap cannot be unscrewed without...

Page 11: ...SY RS485 EASY CONTECA EASY RS485 EASY CONTECA EASY RS485 EASY CONTECA EASY RS485 EASY CONTECA EASY RS485 EASY CONTECA EASY 11 M Bus M Bus Master 230 V ac 755058 M Bus RS 485 slave converter Used to ad...

Page 12: ...ied out by the user removed Maximum number of users 250 Datalogger specifications Electric supply 24 V dc 10 24 V ac 3 W 2 Ethernet outputs ETH1 PoE ETH2 Working temperature range 0 50 C Mounting 35 m...

Page 13: ...755881 Acquisition board Terminals 2 3 Heating units 7507 Terminals 2 3 Heating units Terminals 1 2 Cooling units CALEFFI ENERGY kWh 2 6 0 V HEATING UNITS output COOLING UNITS output GND 1 2 3 4 5 6...

Page 14: ...20030 PULSE MONITOR Pulse logger Electric supply lithium battery 6 digit display with user key Daily data saving Tamper proof seal and sensor Enables acquisition of a pulse output from the heat meter...

Page 15: ...ues with the aim of providing the exact domestic hot water consumption figure Code 755890 Electronic 8 digit LCD totaliser equipped with cover plate for three slot recessed electric box Lithium batter...

Page 16: ...ULTRA 7507 series CONTECA EASY ULTRA heat meters in the 7507 series conform to the requirements of directive 2014 32 EU better known as MID acronym for Measuring Instrument Directive Production proce...

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