5
Boiler installation
Logano G234X – 6 720 804 886 (2012/08)14
▶ Open the cap of the automatic air vent by one full turn to allow air to
escape.
▶ Slowly fill the heating system. Observe the pressure gauge while
filling.
Fig. 12 temperature/pressure gauge
▶ Check the connections and piping to make sure they are watertight.
▶ Bleed the heating system via the purge valves on the heating bodies.
▶ Top up with water if the operating pressure drops as a result of
bleeding the system.
▶ Install safety valve.
Fig. 13 Supply connection
[1] Boiler
[2] Supply connection
[3] Safety valve
[4] Supply manifold pipe (factory-installed)
[5] 90°-elbow (¾ " NPT)
5.6 Install front panel of boiler
▶ Hang front panel of boiler [2] from above, fold down and screw in
securing screws [3] into the front cover below.
Fig. 14 Install front panel of boiler
[1] Appliance insignia plate
[2] Front panel of boiler
[3] Locking screws
5.7 Connecting the flue
5.7.1 Check openings for combustion air supply and venting
To ensure an adequate combustion air supply and venting of the heating
system, suitable measures must be taken in accordance with the
National Fuel Gas Code, NFPA 54 (ANSI Z223.1), Section 5.3, Air for
Combustion and Ventilation, and the local building codes. In Canada the
regulations in accordance with CAN/CSA B 149.1 and 2 Installation
Codes apply.
NOTICE: System damage due to faulty safety valve!
▶ Do not install the safety valve until the leak test (
Section 5.5) has been completed.
▶ Install the safety valve vertically.
▶ Install the safety valve in accordance with the
requirements of the ANSI/ASME Boiler and Pressure
Vessel Code, Section IV.
▶ Observe the local regulations for connection of boiler
systems.
NOTICE: Risk of boiler damage and malfunctions due to
missing or inadequate openings for combustion air and
venting of the boiler room!
Inadequate venting of the boiler room may result in
excessive ambient temperatures. This can damage the
boiler.
Inadequate combustion air supply may cause
malfunctions in operation.
▶ Make sure that air inlet or outlet vents are not closed
off or their size reduced and that they are adequately
dimensioned.
▶ The boiler must not be operated until the obstruction
has been removed.
▶ Draw the operator's attention to any deficiencies and
the potential dangers.
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