23
Installation
Cascade accessories
The flow and return headers are
available in the dimension DN100 and
are connected to one another by the
flange couplings, M12 or M16x55 bolts,
spring washers and nuts. The low loss
header and the complete installation
can then be connected to it.
1.2.3. Low loss header
There are 3 low loss headers available:
- Low loss header for 1 ATAG XL F to
max. 200kW supplied with automatic
air vent, drain valve and pocket
for temperature sensor T10. Boiler
connections are 2x 2", installation
connections are 2x 2".
The low loss header MUST be
connected between the boiler[s] and
the system pumps.
- Low loss header DN100 to 1000kW
- Low loss header DN100 DUO to
1600kW.
The low loss header comes standard
with adjustable feet, automatic air vent,
drain valve, pocket for temperature
sensor T10, M12 or M16x55 bolts,
spring washers and nuts.
4. Flow and return header
connection pipe
Connection pipes for flow and
return headers are available in the
dimension DN100 in two versions, for
a connection on the LEFT or on the
RIGHT side of the cascade. They come
standard with M16x55 bolts, spring
washers, nuts and sealings.
5. Flow temperature sensor T10
Every system with more than 1 ATAG
XL F-boilers must be provided with
a flow temperature sensor T10 and
must be connected on the master
boiler (MTS1-T10). The flow sensor
must be placed in the pocket of the low
loss header.
6. Set of bends
The low loss header can be positioned
at a 90° angle. A set of bends may be
used for that purpose.
- Bends set DN100 flow/return
7. Blanking flanges
The ends of the flow and return
headers have to be fitted with blanking
flanges.
The blanking flanges come standard
with a fully configured delivery,
including bolts, spring washers,
gaskets and nuts.
- Blanking flange set DN100 flow/return
2 items
8. Welded-on flanges
Upon request, welded-on flanges are
available to connect CH-pipe lines
to the secondary side of the low loss
header and to connect the gas line.
- Welded-on flange set DN100 flow/
return 2 items + DN65 gas 1 item
For complete overview on available
accessories please refer to
paragraph “ATAG XL F Cascade
accessories “.
Required components that are not
supplied by ATAG:
- The installation pump;
- The condensate discharge system
- The installation water filter;
- Air and dirt separator;
- Hot water supply;
- Regulation valve;
- Expansion vessel(s).
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