Armstrong EHU-700 Series Guía para resolver problemas descargar pdf (Pagina 3)

Figure 3-4. Eight inch clearance (Min.)

should be maintained on discharge side

of coils.

Figure 3-1. The HumidiPack must

have airflow across the entire cross-

section. Avoid fan discharges without

gradually transitioning the duct to the

HumidiPack.

Figure 3-2. The HumidiPack cannot

have daead air space off the discharge

side. When discharging into a fan

intake plenum, allow for vapor trail

length then gradually transition the duct.

Figure 3-5. If temperature controlling devices

must be placed directly downstream from the

HumidiPack, all visible vapor must be ab-

sorbed. This may be a longer distance than

just the specified vapor trail. Consult factory if

questionable applications arise.

Figure 3-3. Coils, duct transitions and

other obstructions must be kept at least

the specified vapor trail length down-

stream from the HumidiPack. This

does not apply to high efficiency filters.

Consult factory on these applications.

Figure 3-7. When installing the HumidiPack directly upstream from a

discharge grill, the minimum distance shall be the specified vapor trail.

It should be noted that visible wisps of vapor can still be seen even

though the length is beyond the vapor trail. This vapor will not

condense on the grill, but may be seen in the room space.

Figure 3-6. All airflow must be directed

through HumidiPack. If HumidiPack is

smaller than the duct cross-section,

HumidiPack should be positioned in

center of duct and all open area should

be blocked off. This is an exception for

some "all active" unit applications.

Coil

Filter

Dead Air

Don't

Beyond

Specified

Vapor

Trail

Less Than

Specified

Vapor Trail

Duct Temp. Contro

Don't

Dead Air

Don't

Maintain

at Least

Specified

Vapor Trail

Less Than 8"

Don't

Discharge

Grill

Beyond

Specified

Vapor Trail

Less Than

Specified

Vapor Trail

Don't

1 2 3 4 5 6 7 8 ... 11 12

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Armstrong EHU-700 Series Guía para resolver problemas Pagina 3

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