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"B"
Required
Spreader
Bars
Fan
Side
MAX WEIGHT
UNIT
lb
RHV090
1314
RHV102
1341
RHV120
1534
NOTES:
1. SPREADER BARS ARE REQUIRED. Top damage will occur if spreader bars are not used.
2. Dimensions in () are in millimeters.
3. Hook rigging shackles through holes in base rail, as shown in Detail A. Holes in base rails are centered around the unit center
of gravity. Use wooden top to prevent rigging straps from damaging unit.
Step 7 — Convert to Horizontal and Connect
Ductwork (when required)
Unit is shipped in the vertical duct configuration. Unit without
factory-installed economizer or return-air smoke detector
option may be field-converted to horizontal ducted
configuration. To convert to horizontal configuration,
remove screws from side duct opening covers (see Fig. 7)
and remove covers. Use the screws to install the covers on
vertical duct openings with the insulation-side down. The
panels must be inserted into the notches on the basepan to
properly seal. The notches are covered by the tape used to
secure the insulation to the basepan and are not easily
seen. See Fig. 8 for position of the notches in the basepan.
Seals around duct openings must be tight. Secure with
screws as shown in Fig. 9. Cover seams with foil duct tape.
Field-supplied flanges should be attached to horizontal duct
openings and all ductwork should be secured to the flanges.
Insulate and weatherproof all external ductwork, joints, and
roof or building openings with counter flashing and mastic in
accordance with applicable codes.
Do not cover or obscure visibility to the unit's informative
data plate when insulating horizontal ductwork.
Removable Horizontal
Return Duct Opening Cover
Removable Horizontal
Supply Duct Opening Cover
Fig. 7 — Horizontal Conversion Panels
RHV-090-120-01SI
36"-54"
(914-1371)
"C"
"A"
See Detail "A"
A
kg
in.
596
88.0
608
88.0
696
88.0
Fig. 6 — Rigging Details
Specifications subject to change without notice.
Place All Seal Strip In Place
Before Placing Unit On Roof Curb
Duct End
DIMENSIONS
B
mm
in.
mm
2235
49.5
1255
2235
49.5
1255
2235
49.5
1255
Notches
Fig. 8 — Location of Notches
Fig. 9 — Horizontal Duct Panels In Place
Detail "A"
C
in.
mm
49.5
1255
49.5
1255
53.0
1345
Notches
Basepan
Screws
Duct Covers
Sheet Metal
Face Up
Basepan
13
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