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240012994 Rev. B [08/31/2020]
6.4 Trim Piping
• Temperature - Pressure Gauge. Install temperature
pressure gauge using piping provided with boiler. See
Figure 6-1.
• Some boiler models may have integral drain valve located
inside jacket directly underneath pump. Install provided
external drain valve as required.
6.5 System Piping
• Ensure plugs are removed from boiler water connections.
• See Figure 6-7 for basic system piping congurations.
• Systems with automatic ll valves require back ow
prevention device.
• Single boiler system. See Figures 6-4, 6-5,
for general
guidance. Additional considerations:
• Boiler control only supports integrated pump. Installer
responsible for integration of multiple central heating
pumps using eld supplied external control.
• Boiler control allows domestic hot water
prioritization.
WARNING
Burn and scald hazard. Verify all plastic caps are
removed from boiler connections. Failure to follow
these instructions could result in death or serious
injury.
!
• Thoroughly ush all hydronic piping.
• Secure all valves/ttings to boiler.
• Manufacturer recommends installing an isolation and purge
valve to use during commissioning to ensure the boiler does
not shut down due to over-temperature. See gure 6-3 and
6-7 for details.
• Do not install isolation valve between boiler and any eld
installed LWCO.
• Ensure washers supplied are utilized.
• If soldering piping to boiler, avoid over heating and
damaging seals and gaskets.
• Connect system valve pipe work to the boiler.
• Route pressure relief valve discharge piping to the oor.
Follow local code with respect to necessary distance to the
oor. See Figure 6-2.
6 - HYDRONIC PIPING
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