Xylem MOH2 Multi zone mixing module (obsolete) Bedienungsanleitung PDF herunterladen (Seite 4)

Installation and operation manual MOH2

www.lainginc.com

Application of the MOH2 mixing module

Connection of low temperature heating systems to the boiler loop,

for example

• Floor heating systems

• Wall heating systems

Installation of the MOH2 is possible in the manifold cabinet, because

• It is very compact

• It operates very quietly

• In multifamily dwellings, the feed temperature for the low temperature

loop can be selected individually for each apartment.

Construction

The Laing mixing module MOH2 consist of a bronze cast main body, which

contains [see schematics on page 2]

• Connections for feed and return of the boiler loop

• Connections for feed and return of the low temperature loop

• Circulator

• Control valve

• Presetting knob for control valve

• Air purger as well as fill and drain valves

• Connections for all necessary sensors

• Bypass valve

Function

Floor heating loop

• The circulator 1 circulates the water through the floor heating feed con-

nection and the floor heating loops to the floor heating return connection.

Mixing

• When the mixing valve 4 opens, boiler loop feed water 8 is mixed to the

floor heating loop feed side and the same amount of water is returned

from the floor heating return side 3 to the boiler loop return side 9.

• The mixing valve adjusts the quantity of water coming from the boiler

loop to control the desired floor heating feed temperature.

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Xylem MOH2 Multi zone mixing module (obsolete) Bedienungsanleitung Seite 4