Diehl SHARKY 774 User Manual

Deutsch English Français Español
Ultraschall-Wärmezähler
Ultrasonic heat meter
Compteur de chaleur à
ultrasons
Contador de calor por
ultrasonido
Einbauanleitung
Installation Guide
Instruction de montage
Instrucciones de montaje
Diese
Anleitung ist
dem Endkunden
auszuhändigen.
This guide must be given
to the end consumer.
Ce guide doit être donné
au client nal.
Esta guía se debe dar
al cliente nal.

Diehl SHARKY 774 Specifications

General

MID approval	Yes
Power supply	Battery (lithium) or external power supply
Measurement Principle	Ultrasonic
Response Time	1 second
Type	Ultrasonic Energy Meter
Nominal flow rate range qp	0.6 to 60 m³/h
Nominal diameter	DN15 to DN100
Communication interfaces	M-Bus
Measurement Range	0.6 to 150 m³/h
Accuracy	Class 2
Resolution	0.001 m³
Output	Pulse
Operating Temperature	+55°C
Protection Class	IP68

Summary

General

Permissible operating conditions / measuring range

Specifies the operational and measuring limits for the heat meter.

Climatic conditions

Assembly / installation

Preparatory work

Steps required before beginning the meter installation process.

Installing the flow sensor

Instructions for correctly mounting the flow sensor component.

Fitting the temperature sensor pair

Guidance on installing the temperature sensor components.

Installation in the ball valve with adapter

Installation in a pocket

Installing the integrator

Functional testing

Communication

Display / Operation

Error messages

Maintenance