Vent System - Baxi Luna HT 1.450 Notice D'installation Et D'entretien

GENERAL
1. Install the boiler venting system in accordance with these instructions and with the National Fuel Gas Code, ANSIZ223.1/
NFPA 54, CAN/CSA B149.1, and/or applicable provisions of local building codes.
2. This boiler is a direct vent appliance according to ANSI Z21.13/CSA4.9 standard.
DANGER
Ensure the exhaust and intake piping comply with these instructions regarding the vent system. Inspect finished
combustion air intake and exhaust piping thoroughly to ensure all joints are well secured and airtight and comply
with all applicable code requirements, as well as with the instructions provided in this manual. Failure to provide a
properly installed vent system will cause severe personal injury or death.
WARNING
This vent system will operate with a positive pressure in the pipe. Do not connect vent connectors serving applian-
ces vented by natural draft into any portion of mechanical draft systems operating under positive pressure. Follow
the venting instructions below carefully. Failure to do so may result in severe personal injury, death, or substantial
property damage.
• Do not use Foam Core Pipe in any portion of the exhaust piping from this boiler. Use of Foam Core Pipe may
result in severe personal injury, death, or substantial property damage.
• Cellular foam core piping may be used on air inlet piping only. Never use cellular foam core material for exhaust
vent piping.
Determine exhaust vent location
a) See illustration within this section of clearances for the location of the exit terminals of direct-vent venting systems.
b) Provide a minimum of 1 foot distance from any door, operable window, or gravity intake into any building.
c) Provide a minimum of 1 foot clearance from the bottom of the exhaust above the expected snow accumulation level.
Snow removal may be necessary to maintain clearance.
d) Provide 4 feet horizontal clearance from electrical meters, gas meters, gas regulators and relief equipment. In no case
shall the exit terminal be above or below the aforementioned equipment unless the 4 foot horizontal distance is main-
tained.
e) Do not locate the exhaust over public walkways where condensate could drip and/or freeze and create a nuisance or
hazard.
f) When adjacent to a public walkway, locate exit terminal at least 7 feet above grade.
g) Do not locate the exhaust directly under roof overhangs to prevent icicles from forming.
h) Provide a 4 foot clearance from the inside corner of vertical walls, chimneys, etc., as well as horizontal corners created
by roof overhangs.
Determine air intake vent location
a) Provide 1 foot clearance from the bottom of the intake air vent and the grade.
b) Do not locate intake air vent in a parking area where machinery may damage the pipe.
c) When venting with a two-pipe system. Minimum distance between exhaust vent and intake air vent on a single boiler
is 8.0 in (203.0 mm) center-to-center.
EXHAUST VENT AND INTAKE AIR VENT
This boiler is a direct vent appliance according to ANSI Z21.13/CSA4.9 standard.
The intake and exhaust venting methods are detailed in the Venting Section. Do not attempt to install the Boiler using
any other means. Be sure to locate the boiler such that the air intake and exhaust vent piping can be routed through the
building and properly terminated.
INSTALLATION AND SERVICING INSTRUCTIONS

4. VENT SYSTEM

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