• Wall Mount Dual Fan Building Pressurization Units
Bebco Model WDP Units feature a seal-welded housing that features two
fan assemblies, one pressure gauge, one electronic control system, a
screw fastened control enclosure cover, a full size rear door, a high
memory replaceable gasket, pinned hinges and hex Allen wrench
latches, a discharge grille with washable filter and three intake air
stack ports with covers, one each on the sides and top of the unit.
The housing must be installed in the vertical position as shown, and
includes one seal-welded interior trim bezel that is attached by screws
into pre-drilled and tapped holes in the housing. Four miter-cut angle
flange brackets are provided for the exterior side of the housing.
They are secured by drilling and tapping holes in the housing
and wall surface, which may range up to eight (8) inches thick.
Installation is completed by routing conduit or rated cabling from
a power source, alarm system and optional remote control switches
to junction box hubs at the bottom outer corners of the housing.
WDP Units are available in the following Model sizes and ratings:
WDP-12: 21 Square Feet Openings, Maximum
WDP-16: 31 Square Feet Openings, Maximum
WDP-20: 55 Square Feet Openings, Maximum
WDP-24: 75 Square Feet Openings, Maximum
IMPORTANT NOTES:
Model ratings above and below represent the maximum permissible area of
all "openings capable of being opened", in accordance with NFPA Code 496.
Typically, most pressurized buildings and rooms only feature doors, but
operable windows and other similar items must also be considered with
exception only to equipment access doors that are properly labeled and
sealed during normal operations. In addition, the integrity of all doorway
gaskets and other factors of building construction may affect the unit's
performance. Please ask a Bebco Sales Associate for more information
regarding these critical aspects that affect proper unit size selection.
• Remote Mount Dual Fan Building Pressurization Units
Bebco Model RDP Units feature a seal-welded housing that features two fan
assemblies pre-wired to two separate disconnect switches, a full size door
with a one-piece high memory replaceable gasket, pinned hinges and hex
Allen wrench operated latches, a flanged discharge opening, and three
intake air stack ports with covers, one each on the opposite end and
sides of the unit.
The housing may be installed in any position and is furnished with four
vibration isolators. The isolators are provided to mount the housing
in a preferred location by drilling through bolt or tapped holes as
required to secure the unit firmly to a remote frame, exterior wall
or roof surface. Ducting is then required to connect the Unit's
discharge to an HVAC Unit make-up air inlet or directly to the
room or building to be pressurized.
The Remote Control Station mounts on any interior or exterior wall
and requires conduit or rated cabling routed from the disconnect
switches, a power source, an alarm system and optional remote
control switches. Installation is completed with a tube connecting
the room pressure indicator to atmosphere or room pressure.
RDP Units are available in the following Model sizes and ratings:
RDP-12: 21 Square Feet Openings, Maximum
RDP-16: 31 Square Feet Openings, Maximum
RDP-20: 55 Square Feet Openings, Maximum
RDP-24: 75 Square Feet Openings, Maximum
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Model WDP Wall Mount Unit
    
Model RDP Remote Mount Unit
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