Technical data
| Ambient conditions |
| Protection rating | Calculator unit: IP65 according to EN 60529
Flow sensor: IP65 according to EN 60529 |
| Transport | -25°C ... 70°C, <95% r.h. (without condensation) |
| Storage | -5°C ... 45°C, <95% r.h. (without condensation) |
| Usage | +5°C ... 55°C, <95% r.h. (without condensation) |
| Medium | Only use water without chemical additives as the medium for this device. Glycol additives or sodium chloride NaCl (common salt) are expressly not permitted! |
| Standards |
| Iterference resistance and interference emission | EN 301 489-1, EN 301 489-3 |
| Security | EN 62368-1 , EN 62479 |
| Quality of the heating medium | according to VDI guideline 2035, AGFW standard 510 |
| Influencing quantities |
| Electromagnetic class | E1 |
| Mechanical class | M2 |
| Ambient class | A |
| Measuring accuracy class | 2 |
| Calculator unit Temperature range |
| Temperature rage | 0°C ... 105°C |
| Temperature difference range | 3K ... 70K |
| Start of metering temperature difference | 0.2K |
| Power supply |
| Lithium battery | Nominal voltage 3.0 V |
| Lithium content | 0.58g |
| Battery type | CR AA |
| Batteries per device | 1 (replaceable) |
| Battery life | Up to 15 years (depending on environment and configuration conditions) |
| Display-levels |
| Display | 8-digit LCD + pictograms |
| Energy display (switchable) | Default (kWh)
kWh <-> MWh
MJ <-> GJ
kWh <-> MJ (only up to 50 liters of cumulative flow)
MWh <-> GJ (only up to 50 liters of cumulative flow) |
| Connecting cable Calculator - volume measuring unit | 80 cm |
Technical data communication
| Connection cable |
OUT |
| Function | M-Bus |
| Length | 3 m |
| Within Scope of delivery | included |
| Protection class | IP65 |
| Cable ends | End sleeves |
| Cable sheathing | PVC |
| Connection cable - Colour assignment |
| M-Bus | red
black
orange (not assigned)
brown (not assigned) |
| M-Bus to RCM-H200 connection | red -> brown (ECO+)
black -> white (ECO-)
orange -> green (ECO Modem)
Brown -> (not assigned) |
| Specifications M-Bus |
| Possible readouts per day | 96 (every 15 minutes) 2 |
| Baud rate | 300, 2400 (default) |
2 if readings are taken less frequently, unused “credits” are stored in the device
Technical data temperature sensor
| Temperature sensor |
| Measuring element | Pt1000 according to EN 60751 | |
| Type | Typ DS | |
| Diameter Ø | AGFW - 6.0 mm | |
| Installation variant | qp1.5-2.5
qp3.5-10 | AGFW 27.5 mm – direct installation Asymmetric
6.0 mm - indirect symmetrical (immersion sleeve) |
| Cable length | Default: 1.5m
Optional: 3.0m | |
Technical data flow sensor
| Flow sensor |
| Nominal flow qp | m3/h | 1,5 | 2,5 | 3,5 | 6 | 10 |
| Nominal diameter DN | mm | 15 | 20 | 25 | 25 | 40 |
| Overall length | mm | 110 | 130 | 260 | 260 | 300 |
| Connection | | G¾B | G1B | G1¼B | G1¼B | G2B |
| Weight | g | 530 | 660 | 1173 | 1173 | 1750 |
| Installation location | | Return or forward flow (switchable up to 50 litres cumulative flow) |
| Installation position | | any |
| Inlet and outlet section | | not required (no downstream or upstream straight pipe requirement) |
| Minimum flow qi | l/h | 15 | 25 | 28 | 48 | 100 |
| Maximum flow qs | l/h | 3000 | 5000 | 7000 | 12000 | 20000 |
| Start-up limit q0 | l/h | 6 | 10 | 14 | 24 | 50 |
| Dynamic range | | 1:100 | 1:100 | 1:125 | 1:125 | 1:100 |
| Accuracy class | | 2 | 2 | 2 | 2 | 2 |
| Pressure loss at qp | mbar | 130 | 180 | 38 | 122 | 168 |
| Max. permissible operating pressure | bar | 16 |
| Min. system pressure to avoid cavitation | bar | 1,5 | 2 | 1 | 1,5 | 1,5 |
| temperature range | °C | 5 ... 90 |
