Additional Accessories; Heat Meter - Viessmann VITODENS 111-W Technical Manual

Installation accessories Vitodens 100-W

4.2 Additional accessories

Heat meter

For installation in the system connection.
Part no. Suitable for DHW cylinders:
7172 847 – Vitocell 100 with up to 500 litre capacity.
– Vitocell 300 with up to 200 litre capacity.
With connection accessories for G 1
7172 848 – Vitocell 300 with 300 to 500 litre capacity
With connection accessories for G 1¼
Components:
■ Flow meter with threaded connector for capturing the flow rate.
■ Temperature sensor Pt1000, connected to the heat meter, con-
necting lead 1.5 m long.
■ G 1 or G 1¼ connection accessories including ball valves.
VITODENS
(cont.)
Pressure drop graph
1.0 100
0.5 50
0.4 40
0.3 30
0.2 20
0.1 10
0.05 5
0.04 4
0.03 3
0.02 2
0.01 1
0.2
0.3
Flow rate in m³/h
Specification
Nominal flow rate
Lead length
IP rating
Permissible ambient temperature
– During operation
– During storage and
transport
Sensor type
Max. operating pressure
Nominal diameter
Fitted length
0.4 0.6 1 1.5 2.5 4 5 6
0.5 1.2 2 3
3
2.5 m /h
1.5 m
IP 54 to EN 60529; ensure through de-
sign/installation
5 to 55 °C
–20 to +70 °C
Pt1000
10 bar (1 MPa)
DN 20
130 mm
VIESMANN
4
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