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4.7 Pressure Reilef Valve
The pressure relief valve is set at 3 bars, therefore all pipe work, fittings, etc. Should be suitable
for pessures over 3 bars and temperature in excess 100
The pressure relieve valve connects to 15 mm copper pipe. It should run continuously downward,
and discharge outside the building preferably over drains. It should be routed in such a manner
that no hazard occurs to occupanents or causes damage to wiring or elecerical components. The
end of the pipe should terminate facing down and towards the wall.
The discharge must not be above a window, entrance or other pubic access. Consideration must
be given to the possibility that boilng water/steam could discharge from the pipe.
4.8 Flue system preparation
Adapter or connection methods vary depending on the type of flue system (concentric type or
separate type). Follow the following instructions carefully.
4.8.1 For a concentric flue system
Each concentric flue system kit includes an adapter, as shown in the figure, which helps connect
the appliance to the flue system.
Assemble the components and seals as shown in the figure.
1. Connect the flue adapter to the appliance.
2, Connect the flue of the flue system side to installed adapter.
4.8.2 For a separate flue system
Each separate flue system kit includes an adapter, as shown in the figure, which helps connect
the appliance to the flue system.
Assemble the components and seals as shown in the figure.
Flue Outlet
ㆍ
1. Install the flue adapter to the appliance.
2. Connect the flue bend to the adapter and seal.
Air Intake
ㆍ
1. Remove the blanking plate.
2. Connect the flue adapter to appliance. (The adapter comes with this appliance,)
3. Connect the flue bend to the adapter and seal.
The exhaust gas ducts must not come in to contact with or be located close to combustible
materials and must not pass through building structures or walls made of combustible
materials.
When replacing an old appliance, the flue system must be changed.
Navien stirling engine m-CHP installation manual
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