Dimensional Information Required For Connection Of The Boiler; Oil Or Gas Connections; Specific Technical Information Supplied With The Burner - DeDietrich GT 300 A Operating Instructions Manual

6 Dimensional information required for connection of the boiler

A : chimney connection :
GT 304 A/II to GT 306 A/II : 7" ø
GT 307 A/II to GT 309 A/II : 8" ø

1 Specific technical information supplied with the burner

• The boiler and its individual shutoff valve must be disconnected
from the gas supply piping system during any pressure testing of
that system at test pressures in excess of 1/2 psi (3.5kPa),
• The boiler must be isolated from the gas supply piping system
by closing its individual manual shutoff valve during any
pressure testing of the gas supply piping system at test
pressures equal to or less than 1/2 psi (3.5 kPa),
• The boiler shall be installed such that the gas ignition system
components are protected from water (dripping, spraying, rain,
etc.) during appliance operation and service (circulator
replacement, condensate trap, control replacement, etc.),
• The boiler and its gas connection must be leak tested before
placing the boiler in operation,
• After placing the boiler in operation, the ignition system safety
shutoff device must be tested,
• Provision for vent, bleed and gas relief lines (when applicable),
• A sediment trap must be provided upstream of the gas controls,
• Location of manual main shutoff valve outside the jacket when
codes require.
06/10/06 - 94863873 - 85534150E

Oil or gas connections

Follow the information and documentation as supplied with
the burner, regarding:
The specific installation requirements, wiring, fuel supply and
piping and all adjustments of the air and fuel and start-up
procedure as be followed as supplied with the burner
documentation
Consult the burner manufacturer regarding the required
maintenance of the burner and the service intervals.
The entire heating system must be check once each heating
season.
Do not start the burner/boiler unless all access cover and
panels are in place.
GT 300 A/II
The boiler must be connected to venting system
that will safely and effectively discharge all flue
gases to the outside in an effective manner.
Consult local and national codes regarding the
boiler breeching and chimney sizing.
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