TriangleTube 110 Solo - Manual (Page 25)

19
Boiler Piping
System Piping - Zone Valves
Connect the PRESTIGE Solo to the system
piping as shown in Fig. 10 page 21 when zon-
ing with zone valves. The primary / secondary
piping ensures that the boiler loop has sufficient
flow.
To ensure adequate flow rate through
the PRESTIGE Solo, maintain a mini-
mum 1 inch diameter on the system pip-
ing connecting to the boiler.
System Piping - Through Boiler
In new or retrofit applications, in which prima-
ry/secondary piping is not utilized and the sys-
tem is zoned with zone valves, a circulator
could pump through the boiler and system
directly. When pumping through with more
than one zone, a pressure differential bypass
valve is required to avoid dead heading the
pump through the post pump feature of the
control. Consult Fig. 11 and 12 page 22 for
piping diagrams and Graph 2 on page 72 for
proper circulator sizing.
System Piping - Radiant Heating
The heat exchanger design of the PRESTIGE
Solo allows operation in a condensing mode.
This feature requires no regulation of the return
water-temperature back to the boiler in radiant
heating applications.
The boiler water supply temperature can be
maintained by the PRESTIGE Solo, eliminat-
ing the need for a mix system to achieve the
desired temperature.
It is recommended for the installer to add a
high temperature limit as shown in Fig. 13
page 23. This will ensure that the primary sup-
ply temperature does not exceed the maximum
allowable temperature for the radiant tubing.
The addition of the high temperature
limit is important if the PRESTIGE
Solo is connected to a domestic hot water
system, which requires a high primary
supply water temperature.
Size the system piping and circulator to provide
the flow needed for the radiant system.
To ensure adequate flow rate through
the PRESTIGE Solo, maintain a mini-
mum 1 inch diameter on the system pip-
ing connecting to the boiler.
System Piping - Special Application
If the boiler is used in conjunction with a
chilled water/medium system, the boiler and
chiller must be piped in parallel. Install
flow/check valves to prevent the chilled medi-
um from entering into the boiler.
If the boiler is used to supply hot water to the
heating coils of an air handler where they may
be exposed to chilled air circulation, install
flow/check valves or other automatic means
to prevent gravity circulation of the boiler
water during cooling cycles.
System Piping - Multiple Units Installation
Use a balanced manifold system as the pri-
mary / secondary connection to the space
heating piping as shown in Fig. 14 page 24.
Maintain a minimum of 6 inches [153 mm] of
clearance between units to allow for servic-
ing.
Refer to Figs. 6 and 7 page 18 to install air sep-
arator and expansion tank.
For the space heating piping refer to the appli-
cations mentioned in this manual or use recog-
nized design methods.
NOTICE
NOTICE
BEST PRACTICE