Technical data
| Ambient conditions |
| Protection rating | Calculator unit: IP65 according to EN 60529
Flow sensor: IP65 according to EN 60529 |
| Transport | -13°F ... 158°F, <95% r.h. (without condensation) |
| Storage | 23°F ... 113°F, <95% r.h. (without condensation) |
| Usage | +41°F ... 131°F, <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 | 32°F ... 221°F |
| Temperature difference range | 3K ... 70K |
| Start of metering temperature difference | 0.2K |
| Power supply |
| Lithium battery | Nominal voltage 3.0 V |
| Lithium content | 0.02046 oz |
| 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 13.2 gal (50 liters) of cumulative flow)
MWh <-> GJ (only up to 13.2 gal (50 liters) of cumulative flow) |
| Connecting cable Calculator - volume measuring unit | 31.5" |
Technical data communication
| Connection cable |
OUT |
| Function | M-Bus |
| Length | 118.11" |
| 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 - ¼" | |
| Installation variant | qp6.6-11
qp15.4-44 | AGFW 1.08" – direct installation Asymmetric
¼" - indirect symmetrical (immersion sleeve) |
| Cable length | Default: 59.05"
Optional: 118.11" | |
Technical data flow sensor
| Flow sensor |
| Nominal flow qp | gpm | 6.6 | 11 | 15.4 | 26.4 | 44 |
| Nominal diameter DN | inch | 0.59 | 0.79 | 0.98 | 0.98 | 1.57 |
| Overall length | inch | 4.33 | 5.11 | 10.24 | 10.24 | 11.81 |
| Connection | inch | G¾B | G1B | G1¼B | G1¼B | G2B |
| Weight | lb | 1.16 | 1.46 | 2.59 | 2.59 | 3.86 |
| Installation location | | Return or forward flow (switchable up to 13.2 gal (50 litres) cumulative flow) |
| Installation position | | any |
| Inlet and outlet section | | not required (no downstream or upstream straight pipe requirement) |
| Minimum flow qi | gpm | 0.07 | 0.11 | 0.12 | 0.21 | 0.44 |
| Maximum flow qs | gpm | 13.2 | 22 | 30.8 | 52.8 | 88.1 |
| Start-up limit q0 | gpm | 0.026 | 0.044 | 0.062 | 0.106 | 0.22 |
| Dynamic range | | 1:100 | 1:100 | 1:125 | 1:125 | 1:100 |
| Accuracy class | | 2 |
| Pressure loss at qp | psi | 1.89 | 2.61 | 0.55 | 1.77 | 2.44 |
| Max. permissible operating pressure | psi | 232 |
| Min. system pressure to avoid cavitation | psi | 21.8 | 29 | 14.5 | 21.8 | 21.8 |
| temperature range | °F | 41 ... 194 |
