Reznor YDSA Unit Installation Manual - Manual (Page 21)

Form I-Y, P/N 273646R6, Page 21
6.1.2 30% Inlet Air
Hood in Inlet Air
Configuration
Option AR7
1a) Remove screw
in cabinet top.
Hood Top
(edge must go
under cabinet top)
1b) Slide the edge of the
‘Hood Top’ under the edge
of the ‘Cabinet Top’ and
reinsert the screw.
ref. Cabinet Top
FIGURE 14A - Installation Instructions and Dimensions - Inlet Air Hood Option AS16
Hood Top
(see Step 1)
Left
Side
2b) Attach the ‘Side Panels’ to the ‘Cabinet’
with self tapping screws. Use the 1/2” hex
head/no-slot screws with the drill point.
Each side panel requires (3) three screws.
2a) Position the ‘Side Panels’ inside
the ‘Hood Top’ and attach with a sheet-
metal screw. Each side panel requires
(3) three screws; 1/2” with slotted head
and standard point.
2c) Repeat the procedure to install the ‘Right Side’.
4a) Slide filters
through the front
opening and onto the
installed filter support.
4b) Position the ‘Front Cover’ and attach with sheetmetal
screws. Each side requires (1) one screw; 1/2” with slotted
head and standard point.
Front Cover
Dim “A”
(in / mm)
Option AS16
Air Hood
STEP 3 – Attach filter support.
STEP 4 – Install filters and attach the
front cover.
STEP 1 –
Attach top
of outside
air hood.
Prepare
to attach
sides.
STEP 2 – Attach sides of outside air hood.
Length
Dimension
of Installed
Hood
The 30% inlet air hood included in Option AR7 is assembled at the factory and shipped
with the unit for field installation. Follow the instructions in FIGURE 14B, shown below.
Instructions:
1) At the center of the cabinet
top, remove the screw.
2) Slide the hood under
the cabinet top.
4) Re-insert the screw.
5) Attach both sides
of the hood with
sheetmetal screws.
30% Inlet
Air Hood,
P/N ______
Remove
screw.
FIGURE 14B - Installing
30% Inlet Air Hood
6.1.3 Exhaust Air
Hood - applies to
all units with Power
Exhaust (Option PE_)
or Energy Recovery
Wheel (Option EW__)
The exhaust air hood parts
are shipped separately
for installation at the site.
The exhaust location is
different depending on
whether or not the unit has
an energy recovery wheel;
the parts are the same.
See FIGURE 14C shown
or FIGURE 14D, page 22.
(Note complete list of hood
components listed in table
in section 6.1 on page 20)
Installing the Exhaust Hood on a Unit with
Option EW__ Energy Recovery Wheel
The exhaust fan opening is in the side
of the box under the outside air hood.
Remove screws.
1) Attach the Hood Top - Above the
exhaust opening, remove the screws
holding the top of the box. Slide the
edge of the hood top under the
exhaust fan box top. Align the holes
and re-insert the screws.
2) Attach the Hood Sides - Position a
side panel to the inside of the hood
top, line up with the holes in the box,
and attach the side panel. Repeat to
attach the other side. On each side of
the hood top, insert screws to attach
the top to the hood sides.
FIGURE 14C - Installing Exhaust Hood with
Energy Recovery Wheel Option EW__.
Right
Side
3a) Position the filter support
assembly within the hood with
filter opening out as indicated.
3b) Attach filter support assembly
with sheetmetal screws. Each side
requires three screws; 1/2”with
slotted head and standard point
Cabinet Size Dim “A”
1 32.44 / 824
2 40.31 / 1024
3 49.39 / 1255