Xylem MOH2 Multi zone mixing module (obsolete) Manual de usuario Pagina 10

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Installation and operation manual MOH2
www.lainginc.com
If you purchased the station on mounting rails
Attach the station directly to the wall
Observe the above advice for avoiding noise problems
You can use the mounting rails to mark the mounting holes before drilling
If you purchased the station with cabinet
Remove the front cover of the cabinet
Install the station in the appropriate niche in the wall and attach it there
Cover the station with plastic film to keep dirt out
Use plaster to fill the space between the niche and the cabinet
Reattach the front cover so that the cover is flush with the plaster surface
Calorimeter
A parts kit for the attachment of a calorimeter can be ordered as an
option
Leave enough space in the return of the boiler loop for installation
There is no need for a sensor fitting on the feed side. The feed side
temperature sensor can be installed directly in the base module
Hydraulic connection
General guideline
Attach the pipes taking care to avoid too much stress on the module
To avoid noise, the station must not touch the wall or the mounting
fittings. Use rubber grommets.
The boiler loop pipes must be insulated inside the wall to avoid noise.
Connection
First connect the boiler loop return side to the MOH2. If necessary,
install a calorimeter here.
Next, attach the boiler feed side to the MOH2.
Attach the low temperature heating loops using compression fittings
starting from the left side. When using plastic tubes, observe the in-
structions of the system manufacturer.
Connection of calorimeter sensor
The base module has a 1/2" connection for the dip tube of the calorimeter
next to the boiler feed connection.
Install the dip tube of the calorimeter here.
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