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Assembly and Installation (Vektor-C) (continued)
Drawing 1c
End Section
Gasket to be placed along
inside edge prior to assembly
Sealing
After all sections have been assembled, caulk (supplied) all
seam joints to provide final sealing of roof curb sections.
Drawing 2 shows seams to be caulked. Follow caulk
manufacturers recommendations for proper application.
2. Cut roof opening for bottom intake on Vektor-M series
locate curb and pipe chase for Vektor-C series coil
Layout the unit roof openings such that exhaust inlet of the unit
will line up with the corresponding ductwork; refer to Plenum
Bottom Inlet Openings on page 10. Do not make opening larger
than necessary. Be sure to allow for the recommended service
clearances.
3. Lift and install roof curb
Roof curb can be assembled at installation location on
the roof deck or at ground level and lifted into position.
To lift from ground to roof deck, use spreader bar and
support both end and center sections. Locate curb over
roof opening. Check that the diagonal dimensions are
within ±1⁄8 inch of each other and adjust as necessary.
Check curb or structural supports for levelness. Both must be level to ensure proper drainage from plenum and
fan(s). Shim as required to level. Attach curb to roof deck or support structure as specified by structural engineer.
Attach supplied gasketing to top of curb.
4. Set the ERS plenum cabinet
Lift ERS plenum to a point directly above the curb. While lowering, guide the plenum cabinet to align with curb.
Roof curb will fit inside the unit base with skirt. Set ERS plenum cabinet into place on assembled VKCURB. Make
sure the unit is properly seated on the curb and is level. Attach plenum to roof curb using supplied hardware kit.
5. Installing transition to Vektor-C fan
Before setting the Vektor-C fan(s) into position, install the square to round transition to the isolation damper on
the ERS plenum cabinet. Close up the actuator cover after wiring the damper.
After transition piece(s) are installed, the Vektor-C fans can be set on the base, rails, or equipment supports,
etc. Refer to the Vektor-CH, Vektor-CD and Vektor-CS installation instruction, document number 471555 for this
procedure.
Attach the round transition to the fan inlet using provided flex connect.
Installation
Installations with inlet configurations that deviate from this standard may result in reduced fan performance.
Restricted or unstable flow at the fan inlet can cause pre-rotation of incoming air or uneven loading of the fan wheel
yielding large system losses and increased sound levels.
®
Drawing 1c shows two end panels and single
center section. All sections and configurations are
assembled in a similar manor.
Center Section
End Section
Gasketing material (shipped with Vektor fan) should
be placed on the top edge of secured roof curb prior
to placing the ERS plenum cabinet on the curb.
Gasket to be placed on
top edge after assembly
Drawing 2
NOTE
Vektor-ERS Energy Recovery Plenum Laboratory Exhaust
Gasketing
All seams to
be caulked
All seams
to be caulked
9
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