B meters Hydrocal-M3, Руководство пользователя

Страница: 10 / 27

Hydrocal M3 User Manual v1.8 ENG - 10
VOLUME METERS C1/C2IN CONNECTION
The inputs C1 IN (51, 52, 53) and C2 IN (54, 55, 56) are dedicated to the flowmeters for hot and cold
sanitary water.
The heat meter is compatible with flowmeters with pulse output OC (open collector) or OA (reed), with
pulse value “liters/pulse” (strictly compliant to the value set on the meter).
Terminals 53 and 56 are reserved for eventual Anti-tampering wire connection.
Warning: when using flow meters with Open-Collector (OC) output, it is necessary to follow the correct
connection polarity.
FUNCTIONALITY
The heat meter HYDROCAL M3 is equipped with dedicated sections for the thermal energy measurement
of a heating/cooling (on request) system and for the volume measurement of the hot/cold sanitary water
system.
The meter is suitable for two-pipe domestic systems, in boiler room installations or any other compatible
application.
In residential systems, usually two pipes systems, the measurement of the thermal energy takes place on
a single section, both in heating and cooling cycle.
The picture below reports a typical connection diagram.