Individual Components And Service Settings; Ball Valve Positions / Backflow Preventer (Gravity Brake); Recirculation Pump For Cooling Applications; Three-Way Mixing Valve (For Mc Variants) - flamco Meibes MeiFlow TOP S Montageanleitung

3.2 Individual components and service settings

3.2.1 Ball valve positions / backflow preventer (gravity brake)

The ball valves include an integrated backflow preventer (RV) or backflow limiter. These are
individually marked. The RV can be opened manually by turning the rotating handle by approx. 45°
45° (flush, drain):
Ball valve open, BP open

3.2.2 Recirculation pump for cooling applications

Required characteristics of the recirculation pump:
- The pump is designed for condensation, for applications with media temperatures below ambient
temperature
- The stator housing is coated with a CED electrophoretic coating and provided with a drain hole
(as IPX4D)
See the technical data and instructions of the manufacturer of the recirculation pump.

3.2.3 Three-way mixing valve (for MC variants)

Mixer positions:
A) Mixer "open" full inlet on boiler side, no mixing on return line side
B) Mixer "closed" full inlet on return flow side, no inlet on boiler side
C) Service setting for mixer, e.g. for swapping pump
D) Flat face on shaft end in this position
F) Associated handle position
0° (normal operation):
Ball valve open, BP working
We reserve the right to change designs and technical specifications of our products.
90° (service):
Ball valve closed, BP open
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