19
CHAPTER
4
CHAPTER 4 - BOILER PIPING
4.7. Hydraulic Separator
• It is recommended on all piping app-
lications to utilize the hydraulic separator
arrangement as a means to provide
freeze protection of the boiler, which is
an integral function of the boiler control.
Maintain at
least the minimum boiler
flow rate. For other piping arrangements,
contact Triangle Tube Technical Support or
consult other approved/recognized design
arrangements.
• On piping applications utilizing a single
zone or other recognized piping design
arrangements, it is recommended that the
installer uses flow/check valves with weighted
seats at or near the INSTINCT Solo to prevent
gravity circulation.
BEST PRACTICE
BEST PRACTICE
Fig. 11 - 1” Hydraulic Separator used on 110 and 155 models
Fig. 12 - 1¼” Hydraulic Separator used on 199 models
1” NPT supply
connecting nipple
union to boiler
1” NPT supply
Pipework
Connection to
system
Connection to
Instinct
1” NPT Return
Pipework
1” NPT Return
connecting nipple
union to boiler
1¼” NPT supply
connecting nipple
to boiler
1¼” NPT supply
Pipework
Connection to
system
Offset connectors
to fit centres
1¼” NPT Return
Pipework
1¼” NPT Return
connecting nipple
to boiler
Connecting the hydraulic separator
110 and 155 Models
Ensure the washers are properly seated before tightening
the fittings.
The hydraulic separator is supplied is supplied with
connectors and union fittings to connect to 1”NPT
system pipework.
To fit the hydraulic separator:
Using an appropriate thread sealant fit the 1” connecting
nipple to the Instinct supply outlet then connect the
union fitting. Repeat this with the return connection.
Connect the hydraulic separator to the union fittings
using the sealing washers provided.
The system pipework must be aligned to connect with
the union fittings on the secondary circuit side of the
hydraulic separator. Using an appropriate thread sealant
connect the union fittings to the system pipework.
CAUTION
Note:
Hydraulic Separator shown mounted on the right hand
side. It can be mounted on either side of the boiler.
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