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1-13

INSTALLATION

VFC 15-150 - VFC 45-225 MODULATING GAS BOILERS

Air intake lter IBC Part # 103

1.4.9 Combustion Air Filtration

If combustion air contamination from ingested particulate matter may be a

concerninanyinstallation,anoptionalairintakeltermaybeinstalled.IBC

suppliedairintakeltershaveaknownpressuredropandfoulingfactorand

should be used as a component of the combustion air system according to the

allowable intake length in Table 4.

1.4.10 Closet Installations

Forinstallationsinaconnedspace(suchasacloset),ventilationopeningsmay

be needed through a door or wall to prevent excessive heat from building up

inside the space.

The boiler shall not be exposed to ambient conditions above 122°F (50°C) or

below 32°F (0°C).

NOTE

Combustion fan

blockages can occur when

environmental particulate and

foreign matter contaminants

(leaves, dust, dandelion &

cottonwood uff, etc) are

drawn into the air intake. In

areas where this problem is

suspected to be an issue,

our optional air intake lter

should be installed.

Filters should be checked

and cleaned or replaced on

a regular schedule based on

the severity of the problem.

Figure 13: Direct vent - intake, exhaust and condensate removal system with optional air

intake lter (ltration may also be used on indoor air applications as required)

Figure 12: Optional air intake lter

IBC Part #103 - Filter element alone

is IBC Part #104

IBC VFC 45-225 Manual

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