Reznor ZQYRA Unit Installation Manual - Manual (Page 9)

Form I-ZQYRA P/N 260414R5, Page 9
FIGURE 9 - Correct Orientation
of Unit to Roof Curb when
using Vertical Ductwork
Reminder NOTES: Curb is
designed for ductwork to be
installed from the top prior to
setting unit on the curb.
Always apply sealant tape to top
of curb rails before placing unit.
Inlet
Air
Drain
Electrical
Entrance
Installed Option CJ3 Curb
Model ZQYRA
6.0 Mechanical 6.1 Identity of Mechanical Procedure Locations
* Inlet Air Hoods
with Filters
(Size 8 - 2 hoods;
Size 12 - 3 hoods)
See assembly and
installation instructions
in Paragraph 6.2.3.
Condensate Drain Connection;
see Paragraph 6.4.
* Vertical Discharge Air
Opening (In the bottom)
Vertical Return Air Opening
(in the bottom)
Inlet
Side
Post
Supply
Fan Access
Inlet
Hoods
* Exhaust Hood -
See assembly
and installation
instructions in
Paragraph 6.2.2.
Disconnect
Switch (Optional)
Controls
Compressor
Electric Heat (Optional)
High
Voltage
Entrance
Low
Voltage
Entrance
Exhaust
Fan Acccess
Horizontal
Supply
Air
Horizontal
Return Air
Opening
(Control Side
)
Return Air
Filter Access
* Inlet Air
Filter Access
Enthalpy
Wheel Access
Control
Side
Post
* Remove the inlet air filter access panel to find 1) the
carton that contains the inlet hood components and the
cover for the vertical supply duct opening; and 2) the
bundle of exhaust hood parts.
FIGURE 10 - Identification of Locations referenced
in Paragraphs 6.2 - 6.4
verify that the discharge and return air openings being used are uncovered and the
openings not being used are covered.
□
When it is time to lift the unit onto the prepared curb (See Rigging and Lifting,
Paragraph 5.2), be sure that all of the above preparations have been made.
IMPORTANT: Verify that the unit is being placed on the curb in the correct
airflow orientation. See FIGURE 9 for required orientation when installing a
unit with vertical ductwork.
6.2.1 Field-Installed Inlet Air and Exhaust Hoods
All Model ZQYRA ventilation units require field installation of the inlet air hood and the
exhaust hood. All hood components plus the vertical supply duct cover are shipped
inside the cabinet. Remove the inlet filter access panel (see FIGURE 10); a carton and
a bundle of parts are visible. First, slide out the carton and then remove the bundle of
parts that is attached to brackets. DO NOT remove the brackets or the carton stop.
The bundled parts are for the exhaust hood. Use screws from the hardware bag in the
carton and follow the instructions In Paragraph 6.2.2 below to install the exhaust hood.
Follow the instructions in Paragraph 6.2.3 to install the inlet air hood.
6.2 Inlet Air and
Exhaust Air
Openings